/* roulang page: index */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }
        a:hover {
            color: var(--ds-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1200px) {
            .ds-container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ============ Top Utility Bar ============ */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }
        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }
        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
        }
        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ds-lang-switch {
            display: flex;
            gap: 4px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 3px;
        }
        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }
        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }
        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 28px;
        }
        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* ============ Main Navbar ============ */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }
        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }
        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }
        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-dark);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .ds-logo-icon {
            width: 38px;
            height: 38px;
            background: var(--ds-primary);
            border-radius: var(--ds-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .ds-logo:hover {
            color: var(--ds-dark);
        }
        .ds-logo span {
            color: var(--ds-primary);
        }

        .ds-nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ds-nav-links li a {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--ds-text);
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color 0.2s ease;
        }
        .ds-nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .ds-nav-links li a:hover::after,
        .ds-nav-links li a.active::after {
            width: 100%;
        }
        .ds-nav-links li a:hover {
            color: var(--ds-primary);
        }
        .ds-nav-links li a.active {
            color: var(--ds-primary);
        }

        .ds-nav-cta {
            background: var(--ds-primary);
            color: #fff !important;
            border: none;
            padding: 10px 22px;
            border-radius: var(--ds-radius-md);
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--ds-shadow-md);
            color: #fff !important;
        }

        .ds-nav-toggler {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 5px;
            align-items: flex-end;
        }
        .ds-nav-toggler span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ds-dark);
            border-radius: 2px;
            transition: var(--ds-transition);
        }
        .ds-nav-toggler span:nth-child(2) {
            width: 18px;
        }
        .ds-nav-toggler:hover span {
            background: var(--ds-primary);
        }

        /* ============ Hero ============ */
        .ds-hero {
            background: var(--ds-bg);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .ds-hero::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle at center, rgba(199, 91, 18, 0.06) 0%, transparent 65%);
            pointer-events: none;
        }
        .ds-hero .ds-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .ds-hero-grid {
            display: grid;
            grid-template-columns: 6fr 6fr;
            gap: 48px;
            align-items: center;
        }
        .ds-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }
        .ds-hero-label::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--ds-primary);
            border-radius: 50%;
        }
        .ds-hero h1 {
            font-size: clamp(2.2rem, 5vw, 4rem);
            font-weight: 700;
            color: var(--ds-dark);
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin-bottom: 22px;
        }
        .ds-hero h1 .ds-highlight {
            color: var(--ds-primary);
        }
        .ds-hero-desc {
            font-size: 1.05rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 30px;
        }
        .ds-hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .ds-btn-primary {
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: var(--ds-radius-md);
            font-size: 0.92rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .ds-btn-primary:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--ds-shadow-md);
            color: #fff;
        }
        .ds-btn-secondary {
            background: transparent;
            color: var(--ds-primary);
            border: 1.5px solid var(--ds-primary);
            padding: 12px 26px;
            border-radius: var(--ds-radius-md);
            font-size: 0.92rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .ds-btn-secondary:hover {
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            transform: translateY(-2px);
        }
        .ds-btn-primary:focus-visible,
        .ds-btn-secondary:focus-visible,
        .ds-nav-cta:focus-visible,
        .ds-lang-btn:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }

        .ds-hero-dashboard {
            background: var(--ds-dark);
            border-radius: var(--ds-radius-xl);
            padding: 36px 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--ds-shadow-xl);
        }
        .ds-hero-dashboard::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle at center, rgba(199, 91, 18, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .ds-dash-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 24px;
        }
        .ds-dash-metrics {
            display: flex;
            flex-direction: column;
            gap: 18px;
            position: relative;
            z-index: 2;
        }
        .ds-dash-metric {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 18px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--ds-radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--ds-transition);
        }
        .ds-dash-metric:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(199, 91, 18, 0.4);
        }
        .ds-dash-metric-info {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .ds-dash-metric-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 500;
        }
        .ds-dash-metric-value {
            font-family: var(--ds-font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .ds-dash-metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .ds-trend-up {
            background: var(--ds-success);
            color: #fff;
        }
        .ds-trend-down {
            background: var(--ds-warning);
            color: #fff;
        }
        .ds-dash-bar-wrap {
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            position: relative;
            z-index: 2;
        }
        .ds-dash-bar-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
        }
        .ds-dash-bar {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            overflow: hidden;
        }
        .ds-dash-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--ds-primary), #E88A4A);
            border-radius: 8px;
            transition: width 1.2s ease;
            width: 0;
        }

        /* ============ Section Common ============ */
        .ds-section {
            padding: 70px 0;
        }
        .ds-section-alt {
            background: var(--ds-bg);
        }
        .ds-section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--ds-dark);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .ds-section-sub {
            font-size: 1rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 36px;
        }
        .ds-section-head {
            margin-bottom: 40px;
        }
        .ds-section-head .ds-section-title {
            margin-bottom: 14px;
        }

        /* ============ Guarantee Icon Strip ============ */
        .ds-guarantee-strip {
            background: #fff;
            border-bottom: 1px solid var(--ds-border);
            padding: 32px 0;
        }
        .ds-guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .ds-guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            border-radius: var(--ds-radius-md);
            border: 1px solid var(--ds-border);
            transition: var(--ds-transition);
            background: #fff;
        }
        .ds-guarantee-item:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-sm);
            transform: translateY(-2px);
        }
        .ds-guarantee-icon {
            width: 40px;
            height: 40px;
            background: var(--ds-primary-soft);
            border-radius: var(--ds-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--ds-primary);
            flex-shrink: 0;
        }
        .ds-guarantee-item h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .ds-guarantee-item p {
            font-size: 0.82rem;
            color: var(--ds-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ Channel Selling Points ============ */
        .ds-channel-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: start;
        }
        .ds-channel-left h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--ds-dark);
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .ds-channel-left p {
            color: var(--ds-text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .ds-step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .ds-step-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background: #fff;
            border-radius: var(--ds-radius-md);
            border: 1px solid var(--ds-border);
            transition: var(--ds-transition);
        }
        .ds-step-list li:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-step-num {
            width: 32px;
            height: 32px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .ds-step-list h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 3px;
        }
        .ds-step-list p {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .ds-channel-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .ds-objection-card {
            background: var(--ds-dark);
            color: #fff;
            border-radius: var(--ds-radius-lg);
            padding: 28px;
            border: none;
        }
        .ds-objection-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .ds-objection-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .ds-objection-card .ds-highlight-text {
            color: #F0B27A;
            font-weight: 600;
        }

        /* ============ Success Data Bar ============ */
        .ds-data-bar {
            background: var(--ds-dark);
            padding: 48px 0;
        }
        .ds-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .ds-data-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--ds-radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--ds-transition);
        }
        .ds-data-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(199, 91, 18, 0.5);
        }
        .ds-data-num {
            font-family: var(--ds-font-mono);
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .ds-data-num .ds-unit {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }
        .ds-data-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
            letter-spacing: 0.04em;
        }
        .ds-data-trend {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 14px;
            margin-top: 8px;
        }

        /* ============ Core Services / Matrix ============ */
        .ds-service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .ds-service-card {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            border: 1px solid var(--ds-border);
            overflow: hidden;
            transition: var(--ds-transition);
            display: flex;
            flex-direction: column;
        }
        .ds-service-card:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-lg);
            transform: translateY(-2px);
        }
        .ds-service-card-main {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 6fr 4fr;
            gap: 0;
        }
        .ds-service-card-main .ds-service-card-body {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .ds-service-card-main .ds-service-card-img {
            height: 100%;
            min-height: 240px;
            position: relative;
            overflow: hidden;
        }
        .ds-service-card-main .ds-service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .ds-service-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            border-bottom: 1px solid var(--ds-border);
        }
        .ds-service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .ds-service-card:hover .ds-service-card-img img {
            transform: scale(1.04);
        }
        .ds-service-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--ds-primary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .ds-service-card:hover .ds-service-card-img::after {
            opacity: 1;
        }
        .ds-service-card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ds-service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .ds-service-card-body p {
            font-size: 0.88rem;
            color: var(--ds-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .ds-service-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--ds-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s ease;
        }
        .ds-service-link:hover {
            gap: 10px;
            color: var(--ds-primary-hover);
        }

        /* ============ Brand Intro ============ */
        .ds-brand-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
        }
        .ds-brand-text h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 20px;
            line-height: 1.25;
        }
        .ds-brand-text p {
            font-size: 1rem;
            color: var(--ds-text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .ds-brand-img {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-brand-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ============ Comparison Table ============ */
        .ds-comparison-wrap {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 36px;
            align-items: start;
        }
        .ds-comparison-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: var(--ds-shadow-md);
            font-size: 0.9rem;
        }
        .ds-comparison-table thead th {
            background: var(--ds-dark);
            color: #fff;
            padding: 18px 20px;
            font-weight: 600;
            text-align: left;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }
        .ds-comparison-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--ds-border);
            color: var(--ds-text);
            line-height: 1.6;
        }
        .ds-comparison-table tbody tr:nth-child(even) td {
            background: var(--ds-bg);
        }
        .ds-comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .ds-comparison-table td:first-child {
            font-weight: 600;
            color: var(--ds-text-secondary);
            white-space: nowrap;
            background: rgba(245, 241, 232, 0.6);
        }
        .ds-comparison-side h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 14px;
        }
        .ds-comparison-side p {
            font-size: 0.95rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
        }

        /* ============ Task Progress ============ */
        .ds-progress-grid {
            display: grid;
            grid-template-columns: 6fr 6fr;
            gap: 48px;
            align-items: center;
        }
        .ds-progress-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-progress-list li {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            border-radius: var(--ds-radius-md);
            border: 1px solid var(--ds-border);
            background: #fff;
            transition: var(--ds-transition);
        }
        .ds-progress-list li:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-progress-check {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--ds-success);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .ds-progress-list h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 4px;
        }
        .ds-progress-list p {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .ds-progress-visual {
            background: var(--ds-dark);
            border-radius: var(--ds-radius-xl);
            padding: 40px 36px;
            color: #fff;
        }
        .ds-progress-visual h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 24px;
        }
        .ds-progress-bar-group {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .ds-progress-bar-group .ds-progress-item label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
        }
        .ds-progress-item .ds-progress-track {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            overflow: hidden;
        }
        .ds-progress-item .ds-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--ds-primary), #E88A4A);
            border-radius: 8px;
            transition: width 1.5s ease;
            width: 0;
        }

        /* ============ Price Comparison ============ */
        .ds-price-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .ds-price-card {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            border: 1px solid var(--ds-border);
            padding: 32px;
            transition: var(--ds-transition);
        }
        .ds-price-card:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-lg);
        }
        .ds-price-card.featured {
            border-color: var(--ds-primary);
            position: relative;
            box-shadow: var(--ds-shadow-md);
        }
        .ds-price-card.featured::before {
            content: '推荐方案';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--ds-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 16px;
            letter-spacing: 0.04em;
        }
        .ds-price-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 10px;
        }
        .ds-price-card .ds-price {
            font-family: var(--ds-font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 16px;
        }
        .ds-price-card .ds-price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--ds-text-secondary);
        }
        .ds-price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .ds-price-card ul li {
            padding: 8px 0;
            font-size: 0.88rem;
            color: var(--ds-text-secondary);
            border-bottom: 1px solid var(--ds-border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ds-price-card ul li:last-child {
            border-bottom: none;
        }
        .ds-price-card ul li::before {
            content: '✓';
            color: var(--ds-success);
            font-weight: 700;
        }

        /* ============ Testimonial Wall ============ */
        .ds-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .ds-testimonial-card {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            border: 1px solid var(--ds-border);
            padding: 26px;
            transition: var(--ds-transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .ds-testimonial-card:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-md);
            transform: translateY(-2px);
        }
        .ds-testimonial-stars {
            color: #F5A623;
            font-size: 0.95rem;
            letter-spacing: 2px;
        }
        .ds-testimonial-card blockquote {
            font-size: 0.9rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }
        .ds-testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ds-testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .ds-testimonial-author .ds-author-name {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--ds-dark);
        }
        .ds-testimonial-author .ds-author-role {
            font-size: 0.75rem;
            color: var(--ds-text-light);
        }

        /* ============ News Section ============ */
        .ds-news-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 36px;
        }
        .ds-news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .ds-news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            border-bottom: 1px solid var(--ds-border);
            transition: var(--ds-transition);
            border-radius: var(--ds-radius-md);
        }
        .ds-news-item:hover {
            background: rgba(245, 241, 232, 0.5);
            border-bottom-color: var(--ds-primary);
        }
        .ds-news-date {
            background: var(--ds-dark);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 6px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .ds-news-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .ds-news-body p {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            margin: 0 0 8px;
            line-height: 1.6;
        }
        .ds-news-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--ds-primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap 0.3s ease;
        }
        .ds-news-link:hover {
            gap: 9px;
            color: var(--ds-primary-hover);
        }
        .ds-news-sidebar {
            background: var(--ds-bg);
            border-radius: var(--ds-radius-lg);
            padding: 28px;
            border: 1px solid var(--ds-border);
        }
        .ds-news-sidebar h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 16px;
        }
        .ds-hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }
        .ds-hot-tag {
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 6px;
            transition: var(--ds-transition);
        }
        .ds-hot-tag:hover {
            background: var(--ds-primary);
            color: #fff;
        }
        .ds-archive-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-archive-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--ds-border);
            font-size: 0.85rem;
        }
        .ds-archive-list li:last-child {
            border-bottom: none;
        }
        .ds-archive-list a {
            color: var(--ds-text-secondary);
            transition: var(--ds-transition);
        }
        .ds-archive-list a:hover {
            color: var(--ds-primary);
            padding-left: 4px;
        }

        /* ============ Deep Content Zone ============ */
        .ds-deep-grid {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 36px;
            align-items: start;
        }
        .ds-deep-text h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .ds-deep-text p {
            font-size: 1rem;
            color: var(--ds-text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .ds-deep-text h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin: 22px 0 10px;
        }
        .ds-deep-img {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-deep-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .ds-data-annotation {
            background: var(--ds-bg);
            border-radius: var(--ds-radius-lg);
            padding: 24px;
            border: 1px solid var(--ds-border);
            margin-top: 20px;
        }
        .ds-data-annotation h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 10px;
        }
        .ds-data-annotation p {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ FAQ ============ */
        .ds-faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .ds-accordion-item {
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            transition: var(--ds-transition);
        }
        .ds-accordion-item:hover {
            border-color: #D0C6B6;
        }
        .ds-accordion-item.active {
            border-left: 3px solid var(--ds-primary);
        }
        .ds-accordion-header {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ds-dark);
            transition: var(--ds-transition);
        }
        .ds-accordion-header:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: -2px;
        }
        .ds-accordion-icon {
            width: 28px;
            height: 28px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .ds-accordion-item.active .ds-accordion-icon {
            transform: rotate(45deg);
            background: var(--ds-primary-hover);
        }
        .ds-accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .ds-accordion-item.active .ds-accordion-body {
            max-height: 400px;
            padding: 0 20px 20px;
        }
        .ds-accordion-body p {
            font-size: 0.9rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
            margin: 0;
            background: var(--ds-bg);
            padding: 14px 16px;
            border-radius: var(--ds-radius-sm);
        }

        /* ============ CTA / Lead Form ============ */
        .ds-cta-section {
            background: var(--ds-dark);
            padding: 70px 0;
        }
        .ds-cta-grid {
            display: grid;
            grid-template-columns: 6fr 6fr;
            gap: 40px;
        }
        .ds-form-panel {
            background: #fff;
            border-radius: var(--ds-radius-xl);
            padding: 36px 32px;
            box-shadow: var(--ds-shadow-xl);
        }
        .ds-form-panel h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 8px;
        }
        .ds-form-panel .ds-form-sub {
            font-size: 0.88rem;
            color: var(--ds-text-secondary);
            margin-bottom: 24px;
        }
        .ds-form-group {
            margin-bottom: 18px;
        }
        .ds-form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ds-dark);
            margin-bottom: 6px;
        }
        .ds-form-control {
            width: 100%;
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: 8px;
            padding: 11px 16px;
            font-size: 0.9rem;
            color: var(--ds-text);
            transition: var(--ds-transition);
            outline: none;
        }
        .ds-form-control:focus {
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
        }
        .ds-form-control::placeholder {
            color: var(--ds-text-light);
        }
        textarea.ds-form-control {
            resize: vertical;
            min-height: 100px;
        }
        .ds-form-submit {
            width: 100%;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 14px 24px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.04em;
        }
        .ds-form-submit:hover {
            background: var(--ds-primary-hover);
            box-shadow: var(--ds-shadow-md);
            transform: translateY(-1px);
        }
        .ds-form-submit:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }
        .ds-privacy-hint {
            font-size: 0.75rem;
            color: var(--ds-text-light);
            margin-top: 12px;
            text-align: left;
        }

        .ds-contact-info {
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: 24px;
            padding: 24px 0;
        }
        .ds-contact-info h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .ds-contact-info > p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .ds-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .ds-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }
        .ds-contact-list .ds-contact-icon {
            width: 32px;
            height: 32px;
            background: rgba(199, 91, 18, 0.25);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            color: #F0B27A;
        }
        .ds-contact-img {
            border-radius: var(--ds-radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 10px;
        }
        .ds-contact-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        /* ============ Privacy Section ============ */
        .ds-privacy-section {
            background: var(--ds-bg);
            padding: 40px 0;
        }
        .ds-privacy-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: left;
        }
        .ds-privacy-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 14px;
        }
        .ds-privacy-content p {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
        }

        /* ============ Footer ============ */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
        }
        .ds-footer-grid {
            display: grid;
            grid-template-columns: 4fr 2fr 2fr 3fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .ds-footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .ds-footer-brand p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 260px;
            margin: 0;
        }
        .ds-footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .ds-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ds-footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: var(--ds-transition);
        }
        .ds-footer-col ul li a:hover {
            color: var(--ds-primary);
            padding-left: 4px;
        }
        .ds-footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .ds-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .ds-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
            transition: var(--ds-transition);
        }
        .ds-footer-bottom a:hover {
            color: var(--ds-primary);
        }
        .ds-footer-bottom .ds-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1199px) {
            .ds-hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .ds-hero-dashboard {
                max-width: 600px;
            }
            .ds-hero {
                padding: 56px 0;
                min-height: auto;
            }
            .ds-guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ds-data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ds-service-matrix {
                grid-template-columns: 1fr 1fr;
            }
            .ds-service-card-main {
                grid-column: span 2;
            }
            .ds-brand-grid,
            .ds-comparison-wrap,
            .ds-progress-grid,
            .ds-news-grid,
            .ds-deep-grid,
            .ds-cta-grid {
                grid-template-columns: 1fr;
            }
            .ds-channel-grid {
                grid-template-columns: 1fr;
            }
            .ds-testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ds-footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        @media (max-width: 991px) {
            .ds-nav-toggler {
                display: flex;
            }
            .ds-nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--ds-border);
                box-shadow: var(--ds-shadow-lg);
                transform: translateY(-110%);
                transition: transform 0.35s ease;
                z-index: 1035;
                max-height: calc(100vh - 70px);
                overflow-y: auto;
            }
            .ds-nav-links.open {
                transform: translateY(0);
            }
            .ds-nav-cta {
                width: 100%;
                text-align: center;
            }
            .ds-section {
                padding: 48px 0;
            }
            .ds-guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .ds-service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .ds-service-card-main {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }
            .ds-service-card-main .ds-service-card-img {
                min-height: 180px;
                height: 200px;
            }
            .ds-testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .ds-price-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .ds-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

        @media (max-width: 767px) {
            .ds-topbar {
                height: auto;
                min-height: 38px;
                padding: 4px 0;
            }
            .ds-topbar .ds-container {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 6px;
                justify-content: center;
            }
            .ds-topbar-welcome {
                font-size: 0.7rem;
            }
            .ds-topbar-right {
                gap: 6px;
            }
            .ds-lang-btn {
                padding: 2px 8px;
                font-size: 0.68rem;
            }
            .ds-region-select {
                font-size: 0.68rem;
                padding: 3px 8px;
                padding-right: 22px;
            }
            .ds-navbar {
                height: 60px;
            }
            .ds-logo {
                font-size: 1.15rem;
            }
            .ds-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .ds-section {
                padding: 40px 0;
            }
            .ds-section-title {
                font-size: 1.4rem;
            }
            .ds-guarantee-grid {
                grid-template-columns: 1fr;
            }
            .ds-guarantee-item {
                padding: 14px 16px;
            }
            .ds-data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .ds-data-num {
                font-size: 1.8rem;
            }
            .ds-hero {
                padding: 40px 0;
            }
            .ds-hero h1 {
                font-size: 1.8rem;
            }
            .ds-hero-desc {
                font-size: 0.95rem;
            }
            .ds-hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .ds-btn-primary,
            .ds-btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .ds-news-item {
                flex-direction: column;
                gap: 10px;
            }
            .ds-form-panel {
                padding: 24px 18px;
            }
            .ds-contact-info {
                padding: 18px 0;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ds-comparison-table {
                font-size: 0.8rem;
            }
            .ds-comparison-table thead th,
            .ds-comparison-table tbody td {
                padding: 10px 14px;
            }
        }

        @media (max-width: 576px) {
            .ds-data-grid {
                grid-template-columns: 1fr;
            }
            .ds-guarantee-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .ds-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .ds-section-title {
                font-size: 1.3rem;
            }
            .ds-step-list li,
            .ds-progress-list li {
                padding: 14px 14px;
            }
            .ds-price-card {
                padding: 22px 18px;
            }
            .ds-accordion-header {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        :root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }
        a:hover {
            color: var(--ds-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ============ Top Utility Bar ============ */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }
        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }
        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
        }
        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }
        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }
        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 28px;
        }
        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* ============ Main Navbar ============ */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }
        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }
        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
            gap: 16px;
        }
        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-text);
            white-space: nowrap;
        }
        .ds-logo:hover {
            color: var(--ds-text);
        }
        .ds-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .ds-logo span {
            color: var(--ds-primary);
        }
        .ds-nav-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-sm);
            background: transparent;
            cursor: pointer;
            transition: var(--ds-transition);
        }
        .ds-nav-toggler span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--ds-text);
            border-radius: 2px;
            transition: var(--ds-transition);
        }
        .ds-nav-toggler:hover {
            border-color: var(--ds-primary);
        }
        .ds-nav-toggler:hover span {
            background: var(--ds-primary);
        }
        .ds-navbar nav {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }
        .ds-nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ds-nav-links li {
            margin: 0;
            padding: 0;
        }
        .ds-nav-links a {
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
            transition: var(--ds-transition);
        }
        .ds-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            transform: translateX(-50%);
            transition: width 0.3s ease;
        }
        .ds-nav-links a:hover {
            color: var(--ds-primary);
        }
        .ds-nav-links a:hover::after {
            width: 100%;
        }
        .ds-nav-links a.active {
            color: var(--ds-primary);
            font-weight: 600;
        }
        .ds-nav-links a.active::after {
            width: 100%;
        }
        .ds-nav-cta {
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--ds-radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
        }
        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(199, 91, 18, 0.25);
        }
        .ds-nav-cta:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }

        /* ============ Breadcrumb ============ */
        .ds-breadcrumb-wrapper {
            background: var(--ds-bg);
            padding: 18px 0;
            border-bottom: 1px solid var(--ds-border);
        }
        .ds-breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 0.88rem;
        }
        .ds-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--ds-text-secondary);
        }
        .ds-breadcrumb li a {
            color: var(--ds-text-secondary);
            transition: var(--ds-transition);
        }
        .ds-breadcrumb li a:hover {
            color: var(--ds-primary);
        }
        .ds-breadcrumb li.current {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* ============ Page Hero ============ */
        .ds-page-hero {
            background: var(--ds-bg);
            padding: 60px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .ds-page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle at top right, rgba(199, 91, 18, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .ds-page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .ds-page-hero-title {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--ds-text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .ds-page-hero-title span {
            color: var(--ds-primary);
        }
        .ds-page-hero-subtitle {
            font-size: 1.1rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .ds-hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .ds-hero-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--ds-border);
            padding: 6px 14px;
            border-radius: 20px;
        }
        .ds-hero-meta-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ds-accent);
        }
        .ds-page-hero-visual {
            background: var(--ds-dark);
            border-radius: var(--ds-radius-xl);
            padding: 32px 28px;
            box-shadow: var(--ds-shadow-xl);
            position: relative;
            overflow: hidden;
        }
        .ds-page-hero-visual::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(199, 91, 18, 0.25);
            pointer-events: none;
        }
        .ds-hero-stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--ds-radius-md);
            padding: 18px 20px;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .ds-hero-stat-card:last-child {
            margin-bottom: 0;
        }
        .ds-hero-stat-number {
            font-family: var(--ds-font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .ds-hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .ds-hero-stat-trend {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }
        .ds-hero-stat-trend.up {
            background: rgba(62, 107, 92, 0.3);
            color: #8BC4AE;
        }
        .ds-hero-stat-trend.down {
            background: rgba(184, 69, 46, 0.3);
            color: #E08A72;
        }

        /* ============ Section Heading ============ */
        .ds-section {
            padding: var(--ds-section-gap) 0;
        }
        .ds-section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--ds-primary);
            background: var(--ds-primary-soft);
            padding: 5px 14px;
            border-radius: 16px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .ds-section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--ds-text);
            margin-bottom: 16px;
        }
        .ds-section-desc {
            font-size: 1rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }

        /* ============ Comparison Table ============ */
        .ds-compare-wrapper {
            background: var(--ds-bg-white);
            border-radius: var(--ds-radius-lg);
            box-shadow: var(--ds-shadow-md);
            overflow: hidden;
            border: 1px solid var(--ds-border);
        }
        .ds-compare-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }
        .ds-compare-table thead th {
            background: var(--ds-dark);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: left;
            border: none;
        }
        .ds-compare-table thead th:first-child {
            border-radius: var(--ds-radius-lg) 0 0 0;
        }
        .ds-compare-table thead th:last-child {
            border-radius: 0 var(--ds-radius-lg) 0 0;
        }
        .ds-compare-table tbody td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--ds-border);
            font-size: 0.95rem;
            vertical-align: middle;
            color: var(--ds-text);
            transition: background 0.2s ease;
        }
        .ds-compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .ds-compare-table tbody td:first-child {
            background: var(--ds-bg);
            font-weight: 600;
            color: var(--ds-text);
            width: 26%;
        }
        .ds-compare-table tbody td:last-child {
            background: #fff;
        }
        .ds-compare-table tbody tr:nth-child(even) td:first-child {
            background: #EFEAE0;
        }
        .ds-compare-table tbody tr:hover td {
            background: rgba(199, 91, 18, 0.04);
        }
        .ds-compare-highlight {
            color: var(--ds-primary);
            font-weight: 700;
        }
        .ds-compare-check {
            color: var(--ds-accent);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .ds-compare-x {
            color: var(--ds-warning);
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* ============ Case Cards ============ */
        .ds-case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--ds-card-gap);
        }
        .ds-case-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: var(--ds-shadow-sm);
            transition: var(--ds-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .ds-case-card:hover {
            box-shadow: var(--ds-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--ds-primary);
        }
        .ds-case-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .ds-case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .ds-case-card:hover .ds-case-card-img img {
            transform: scale(1.04);
        }
        .ds-case-card-img::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--ds-primary);
        }
        .ds-case-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .ds-case-card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--ds-primary);
            background: var(--ds-primary-soft);
            padding: 3px 10px;
            border-radius: 12px;
            display: inline-block;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .ds-case-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .ds-case-card-desc {
            font-size: 0.9rem;
            color: var(--ds-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .ds-case-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--ds-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--ds-transition);
            align-self: flex-start;
        }
        .ds-case-card-link .arrow {
            transition: transform 0.25s ease;
        }
        .ds-case-card-link:hover {
            color: var(--ds-primary-hover);
        }
        .ds-case-card-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ============ Deep Content ============ */
        .ds-deep-section {
            background: var(--ds-bg);
            padding: 64px 0;
            border-radius: var(--ds-radius-xl);
        }
        .ds-deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .ds-deep-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .ds-deep-text p {
            color: var(--ds-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .ds-deep-text p:last-child {
            margin-bottom: 0;
        }
        .ds-deep-highlight {
            background: #fff;
            border-left: 4px solid var(--ds-primary);
            padding: 20px 24px;
            border-radius: 0 var(--ds-radius-md) var(--ds-radius-md) 0;
            box-shadow: var(--ds-shadow-sm);
            margin: 20px 0;
            font-weight: 500;
            color: var(--ds-text);
        }
        .ds-deep-highlight strong {
            color: var(--ds-primary);
        }
        .ds-deep-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-deep-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--ds-border);
            color: var(--ds-text);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .ds-deep-list li:last-child {
            border-bottom: none;
        }
        .ds-deep-list-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: var(--ds-accent-soft);
            color: var(--ds-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            margin-top: 4px;
        }

        /* ============ Steps / Process ============ */
        .ds-steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .ds-step-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            padding: 24px 22px;
            text-align: center;
            transition: var(--ds-transition);
            position: relative;
        }
        .ds-step-card:hover {
            box-shadow: var(--ds-shadow-md);
            transform: translateY(-2px);
            border-color: var(--ds-primary);
        }
        .ds-step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 12px;
        }
        .ds-step-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 8px;
        }
        .ds-step-desc {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Metrics Strip ============ */
        .ds-metrics-strip {
            background: var(--ds-dark);
            padding: 40px 0;
            border-radius: var(--ds-radius-lg);
        }
        .ds-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .ds-metric-item {
            text-align: center;
            padding: 10px;
        }
        .ds-metric-number {
            font-family: var(--ds-font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }
        .ds-metric-number span {
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            margin-left: 4px;
        }
        .ds-metric-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }

        /* ============ FAQ ============ */
        .ds-faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .ds-faq-item {
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--ds-transition);
        }
        .ds-faq-item:hover {
            border-color: var(--ds-primary);
        }
        .ds-faq-item.active {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-sm);
            border-left: 3px solid var(--ds-primary);
        }
        .ds-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: #fff;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--ds-text);
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--ds-transition);
            border-radius: var(--ds-radius-md);
        }
        .ds-faq-question:hover {
            background: rgba(199, 91, 18, 0.04);
        }
        .ds-faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: transform 0.3s ease;
            line-height: 1;
        }
        .ds-faq-item.active .ds-faq-icon {
            transform: rotate(45deg);
            background: var(--ds-primary-hover);
        }
        .ds-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            background: var(--ds-bg);
            border-radius: 0 0 var(--ds-radius-md) var(--ds-radius-md);
        }
        .ds-faq-item.active .ds-faq-answer {
            max-height: 400px;
        }
        .ds-faq-answer p {
            padding: 16px 22px 18px;
            margin: 0;
            font-size: 0.92rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
        }

        /* ============ CTA Section ============ */
        .ds-cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--ds-radius-xl);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
        }
        .ds-cta-left {
            background: var(--ds-bg);
            padding: 48px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .ds-cta-left h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .ds-cta-left p {
            color: var(--ds-text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .ds-cta-right {
            background: var(--ds-dark);
            padding: 48px 44px;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .ds-cta-right h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .ds-cta-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-cta-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 0.92rem;
            line-height: 1.6;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .ds-cta-contact-list li:last-child {
            border-bottom: none;
        }
        .ds-cta-contact-list strong {
            color: #fff;
            flex-shrink: 0;
        }

        /* ============ Footer ============ */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .ds-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .ds-footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .ds-footer-brand h3 span {
            color: var(--ds-primary);
        }
        .ds-footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }
        .ds-footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .ds-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-footer-col ul li {
            margin-bottom: 8px;
        }
        .ds-footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--ds-transition);
        }
        .ds-footer-col ul li a:hover {
            color: var(--ds-primary);
        }
        .ds-footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 8px;
            list-style: none;
        }
        .ds-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .ds-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .ds-footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: var(--ds-transition);
        }
        .ds-footer-links a:hover {
            color: var(--ds-primary);
        }

        /* ============ Focus Visible ============ */
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1200px) {
            .ds-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .ds-nav-links {
                gap: 20px;
            }
            .ds-nav-links a {
                font-size: 0.88rem;
            }
        }
        @media (max-width: 991px) {
            .ds-navbar .ds-container {
                gap: 12px;
            }
            .ds-nav-toggler {
                display: flex;
            }
            .ds-navbar nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px 32px;
                gap: 0;
                border-bottom: 1px solid var(--ds-border);
                box-shadow: 0 12px 32px rgba(31, 41, 51, 0.1);
                z-index: 1030;
            }
            .ds-navbar nav.open {
                display: flex;
            }
            .ds-nav-links {
                flex-direction: column;
                gap: 0;
                align-items: stretch;
            }
            .ds-nav-links li {
                border-bottom: 1px solid var(--ds-border);
            }
            .ds-nav-links li:last-child {
                border-bottom: none;
            }
            .ds-nav-links a {
                display: block;
                padding: 12px 0;
                font-size: 0.95rem;
            }
            .ds-nav-links a::after {
                display: none;
            }
            .ds-nav-cta {
                display: none;
            }
            .ds-page-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .ds-page-hero {
                padding: 40px 0 48px;
            }
            .ds-case-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ds-deep-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .ds-steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .ds-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .ds-cta-wrapper {
                grid-template-columns: 1fr;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            :root {
                --ds-section-gap: 56px;
            }
        }
        @media (max-width: 767px) {
            .ds-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .ds-topbar {
                height: 32px;
                font-size: 0.72rem;
            }
            .ds-topbar-welcome {
                display: none;
            }
            .ds-topbar-right {
                margin-left: auto;
            }
            .ds-navbar {
                height: 60px;
            }
            .ds-navbar nav.open {
                top: 60px;
            }
            .ds-logo {
                font-size: 1.15rem;
            }
            .ds-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .ds-page-hero-title {
                font-size: 1.8rem;
            }
            .ds-page-hero-subtitle {
                font-size: 0.95rem;
            }
            .ds-page-hero-visual {
                padding: 20px 16px;
            }
            .ds-case-grid {
                grid-template-columns: 1fr;
            }
            .ds-steps-grid {
                grid-template-columns: 1fr;
            }
            .ds-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .ds-compare-table thead th {
                padding: 12px 10px;
                font-size: 0.82rem;
            }
            .ds-compare-table tbody td {
                padding: 12px 10px;
                font-size: 0.82rem;
            }
            .ds-cta-left,
            .ds-cta-right {
                padding: 32px 20px;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .ds-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .ds-footer-links {
                justify-content: center;
            }
            :root {
                --ds-section-gap: 40px;
            }
        }
        @media (max-width: 576px) {
            .ds-section-title {
                font-size: 1.4rem;
            }
            .ds-metrics-grid {
                grid-template-columns: 1fr;
            }
            .ds-hero-meta {
                gap: 10px;
            }
            .ds-lang-btn {
                padding: 2px 8px;
                font-size: 0.7rem;
            }
            .ds-region-select {
                padding: 2px 8px;
                font-size: 0.7rem;
                padding-right: 24px;
                background-position: right 8px center;
            }
        }

.ds-cta-strip {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .ds-cta-strip h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .ds-cta-strip p {
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            font-size: 0.95rem;
        }
        .ds-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: var(--ds-transition);
            line-height: 1.2;
        }
        .ds-btn-primary {
            background: var(--ds-primary);
            color: #fff;
        }
        .ds-btn-primary:hover {
            background: var(--ds-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-btn-block {
            width: 100%;
        }
        .ds-form-group {
            margin-bottom: 16px;
        }
        .ds-form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--ds-text);
            margin-bottom: 6px;
        }
        .ds-form-group input,
        .ds-form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--ds-border);
            border-radius: 8px;
            font-size: 0.95rem;
            color: var(--ds-text);
            background: #fff;
            transition: var(--ds-transition);
        }
        .ds-form-group input:focus,
        .ds-form-group textarea:focus {
            outline: none;
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
        }
        .ds-privacy-note {
            font-size: 0.78rem;
            color: var(--ds-text-light);
            margin-bottom: 12px;
            line-height: 1.5;
        }
        @media (max-width: 767px) {
            .ds-cta-strip {
                flex-direction: column;
                align-items: flex-start;
            }
            .ds-cta-strip .ds-btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }
        a:hover {
            color: var(--ds-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--ds-text);
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ============ Top Utility Bar ============ */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }
        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }
        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
        }
        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }
        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }
        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 28px;
        }
        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* ============ Main Navbar ============ */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }
        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }
        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
            gap: 16px;
        }
        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-text);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .ds-logo:hover {
            color: var(--ds-text);
        }
        .ds-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .ds-logo span {
            color: var(--ds-primary);
        }
        .ds-nav-toggler {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px 4px;
            cursor: pointer;
        }
        .ds-nav-toggler span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ds-text);
            border-radius: 1px;
            transition: var(--ds-transition);
        }
        .ds-nav-toggler[aria-expanded="true"] span:first-child {
            transform: translateY(7px) rotate(45deg);
        }
        .ds-nav-toggler[aria-expanded="true"] span:last-child {
            transform: translateY(-7px) rotate(-45deg);
        }
        .ds-navbar nav {
            display: flex;
            align-items: center;
        }
        .ds-nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 28px;
            flex-wrap: nowrap;
        }
        .ds-nav-links li {
            margin: 0;
        }
        .ds-nav-links a {
            display: inline-block;
            padding: 8px 2px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ds-text-secondary);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .ds-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            border-radius: 1px;
            transition: width 0.3s ease;
        }
        .ds-nav-links a:hover::after,
        .ds-nav-links a.active::after {
            width: 100%;
        }
        .ds-nav-links a:hover {
            color: var(--ds-primary);
        }
        .ds-nav-links a.active {
            color: var(--ds-primary);
            font-weight: 600;
        }
        .ds-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--ds-transition);
            letter-spacing: 0.02em;
        }
        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-nav-cta:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }

        /* ============ Breadcrumb ============ */
        .ds-breadcrumb {
            background: var(--ds-bg);
            padding: 14px 0;
            border-bottom: 1px solid var(--ds-border);
            font-size: 0.85rem;
        }
        .ds-breadcrumb .ds-container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .ds-breadcrumb a {
            color: var(--ds-text-secondary);
            font-weight: 500;
        }
        .ds-breadcrumb a:hover {
            color: var(--ds-primary);
        }
        .ds-breadcrumb .separator {
            color: var(--ds-text-light);
            font-size: 0.7rem;
        }
        .ds-breadcrumb .current {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* ============ Category Hero ============ */
        .ds-cat-hero {
            position: relative;
            background: var(--ds-dark);
            padding: 76px 0 84px;
            overflow: hidden;
            isolation: isolate;
        }
        .ds-cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: -2;
        }
        .ds-cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 41, 51, 0.92) 0%, rgba(31, 41, 51, 0.55) 60%, rgba(199, 91, 18, 0.25) 100%);
            z-index: -1;
        }
        .ds-cat-hero .ds-container {
            position: relative;
            z-index: 1;
        }
        .ds-cat-hero-content {
            max-width: 680px;
        }
        .ds-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--ds-primary-soft);
            color: #E8A87C;
            border: 1px solid rgba(199, 91, 18, 0.4);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 20px;
        }
        .ds-cat-hero h1 {
            color: #fff;
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .ds-cat-hero h1 .highlight {
            color: #E8A87C;
        }
        .ds-cat-hero p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 540px;
            margin-bottom: 0;
        }

        /* ============ Metrics Strip ============ */
        .ds-metrics-section {
            background: var(--ds-bg-white);
            padding: 0;
            margin-top: -32px;
            position: relative;
            z-index: 5;
        }
        .ds-metrics-strip {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            box-shadow: var(--ds-shadow-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .ds-metric-item {
            text-align: center;
            padding: 8px 12px;
            border-radius: var(--ds-radius-md);
            transition: var(--ds-transition);
        }
        .ds-metric-item:hover {
            background: var(--ds-bg);
        }
        .ds-metric-value {
            font-family: var(--ds-font-mono);
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--ds-dark);
            line-height: 1.2;
            display: flex;
            align-items: baseline;
            justify-content: center;
            gap: 4px;
        }
        .ds-metric-value .unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--ds-text-secondary);
        }
        .ds-metric-value .trend {
            font-size: 0.9rem;
            margin-left: 6px;
        }
        .ds-metric-value .trend.up {
            color: var(--ds-success);
        }
        .ds-metric-value .trend.down {
            color: var(--ds-warning);
        }
        .ds-metric-label {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            font-weight: 500;
            margin-top: 4px;
        }

        /* ============ Service Grid Section ============ */
        .ds-service-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }
        .ds-section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .ds-section-header h2 {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            color: var(--ds-dark);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .ds-section-header p {
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 460px;
        }
        .ds-section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--ds-primary);
            white-space: nowrap;
        }
        .ds-section-link:hover {
            gap: 10px;
        }
        .ds-service-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: var(--ds-card-gap);
        }
        .ds-service-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            transition: var(--ds-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--ds-shadow-sm);
        }
        .ds-service-card:hover {
            box-shadow: var(--ds-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--ds-primary);
        }
        .ds-service-card.col-wide {
            grid-column: span 8;
        }
        .ds-service-card.col-narrow {
            grid-column: span 4;
        }
        .ds-service-card.col-third {
            grid-column: span 4;
        }
        .ds-service-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 8px 8px 0 0;
        }
        .ds-service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .ds-service-card:hover .ds-service-card-img img {
            transform: scale(1.04);
        }
        .ds-service-card-img::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--ds-primary);
            border-radius: 0 2px 2px 0;
        }
        .ds-service-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ds-service-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--ds-dark);
        }
        .ds-service-card-body p {
            font-size: 0.92rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 14px;
        }
        .ds-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--ds-primary);
            transition: var(--ds-transition);
        }
        .ds-card-link:hover {
            gap: 10px;
            color: var(--ds-primary-hover);
        }
        .ds-service-card.col-wide .ds-service-card-img {
            aspect-ratio: 21/10;
        }

        /* ============ Deep Content Sections ============ */
        .ds-deep-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }
        .ds-deep-section.alt {
            background: var(--ds-bg);
        }
        .ds-deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .ds-deep-grid.reverse {
            direction: rtl;
        }
        .ds-deep-grid.reverse>* {
            direction: ltr;
        }
        .ds-deep-text h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            color: var(--ds-dark);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .ds-deep-text .ds-lead {
            font-size: 1.05rem;
            color: var(--ds-text-secondary);
            font-weight: 500;
            margin-bottom: 20px;
        }
        .ds-deep-text p {
            font-size: 0.95rem;
            color: var(--ds-text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .ds-deep-text .ds-accent-note {
            background: var(--ds-accent-soft);
            border-left: 3px solid var(--ds-accent);
            padding: 14px 18px;
            border-radius: 0 var(--ds-radius-md) var(--ds-radius-md) 0;
            font-size: 0.9rem;
            color: var(--ds-dark);
            margin-top: 16px;
        }
        .ds-deep-img {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ============ Scenario Cards ============ */
        .ds-scenario-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }
        .ds-scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--ds-card-gap);
        }
        .ds-scenario-card {
            background: var(--ds-bg);
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            padding: 26px 24px;
            transition: var(--ds-transition);
        }
        .ds-scenario-card:hover {
            background: #fff;
            box-shadow: var(--ds-shadow-lg);
            border-color: var(--ds-primary);
            transform: translateY(-3px);
        }
        .ds-scenario-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-family: var(--ds-font-mono);
        }
        .ds-scenario-card h3 {
            font-size: 1.05rem;
            color: var(--ds-dark);
            margin-bottom: 10px;
        }
        .ds-scenario-card p {
            font-size: 0.88rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ============ Process Steps ============ */
        .ds-process-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-dark);
        }
        .ds-process-section .ds-section-header h2 {
            color: #fff;
        }
        .ds-process-section .ds-section-header p {
            color: rgba(255, 255, 255, 0.65);
        }
        .ds-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .ds-process-step {
            text-align: center;
            padding: 24px 18px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--ds-radius-lg);
            transition: var(--ds-transition);
        }
        .ds-process-step:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--ds-primary);
            transform: translateY(-2px);
        }
        .ds-process-step-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-family: var(--ds-font-mono);
        }
        .ds-process-step h3 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
        }
        .ds-process-step p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ FAQ ============ */
        .ds-faq-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }
        .ds-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .ds-accordion-item {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--ds-transition);
        }
        .ds-accordion-item.active {
            border-left: 3px solid var(--ds-primary);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-accordion-header {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: #fff;
            border: none;
            cursor: pointer;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--ds-text);
            text-align: left;
            transition: var(--ds-transition);
        }
        .ds-accordion-header:hover {
            color: var(--ds-primary);
        }
        .ds-accordion-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1rem;
            flex-shrink: 0;
            transition: var(--ds-transition);
            font-weight: 700;
        }
        .ds-accordion-item.active .ds-accordion-icon {
            background: var(--ds-dark);
        }
        .ds-accordion-body {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
            background: var(--ds-bg);
            border-radius: 0 0 var(--ds-radius-md) var(--ds-radius-md);
            display: none;
        }
        .ds-accordion-item.active .ds-accordion-body {
            display: block;
        }

        /* ============ CTA Section ============ */
        .ds-cta-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }
        .ds-cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: stretch;
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-xl);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
        }
        .ds-cta-form-panel {
            padding: 40px 36px;
            background: #fff;
        }
        .ds-cta-form-panel h2 {
            font-size: 1.5rem;
            color: var(--ds-dark);
            margin-bottom: 8px;
        }
        .ds-cta-form-panel p {
            color: var(--ds-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 24px;
        }
        .ds-form-group {
            margin-bottom: 16px;
        }
        .ds-form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ds-text);
            margin-bottom: 6px;
        }
        .ds-form-group input,
        .ds-form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--ds-border);
            border-radius: 8px;
            background: #fff;
            font-size: 0.92rem;
            color: var(--ds-text);
            outline: none;
            transition: var(--ds-transition);
        }
        .ds-form-group input:focus,
        .ds-form-group textarea:focus {
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
        }
        .ds-form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .ds-submit-btn {
            width: 100%;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 13px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }
        .ds-submit-btn:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-submit-btn:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }
        .ds-privacy-note {
            font-size: 0.78rem;
            color: var(--ds-text-light);
            margin-top: 12px;
            margin-bottom: 0;
        }
        .ds-cta-info-panel {
            padding: 40px 36px;
            background: var(--ds-dark);
            display: flex;
            flex-direction: column;
        }
        .ds-cta-info-panel h2 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .ds-cta-info-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .ds-cta-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }
        .ds-cta-info-list li:last-child {
            border-bottom: none;
        }
        .ds-cta-info-list .info-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 0.75rem;
            flex-shrink: 0;
            font-weight: 700;
        }
        .ds-cta-img {
            border-radius: var(--ds-radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.2);
            margin-top: auto;
        }
        .ds-cta-img img {
            width: 100%;
            aspect-ratio: 16/7;
            object-fit: cover;
        }

        /* ============ Footer ============ */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }
        .ds-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .ds-footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .ds-footer-brand h3 span {
            color: var(--ds-primary);
        }
        .ds-footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            max-width: 280px;
            margin-bottom: 0;
        }
        .ds-footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .ds-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-footer-col ul li {
            margin-bottom: 10px;
        }
        .ds-footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--ds-transition);
        }
        .ds-footer-col ul li a:hover {
            color: var(--ds-primary);
        }
        .ds-footer-contact li {
            display: flex;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .ds-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .ds-footer-bottom span {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .ds-footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .ds-footer-links a {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--ds-transition);
        }
        .ds-footer-links a:hover {
            color: var(--ds-primary);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1199px) {
            .ds-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .ds-service-card.col-wide {
                grid-column: span 7;
            }
            .ds-service-card.col-narrow {
                grid-column: span 5;
            }
            .ds-service-card.col-third {
                grid-column: span 4;
            }
            .ds-footer-grid {
                grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
                gap: 28px;
            }
        }
        @media (max-width: 991px) {
            .ds-nav-toggler {
                display: flex;
            }
            .ds-navbar nav {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--ds-border);
                box-shadow: var(--ds-shadow-lg);
                padding: 12px 20px 20px;
                display: none;
                z-index: 1035;
            }
            .ds-navbar nav.show {
                display: block;
            }
            .ds-nav-links {
                flex-direction: column;
                gap: 6px;
                width: 100%;
            }
            .ds-nav-links a {
                display: block;
                padding: 10px 4px;
                font-size: 1rem;
                width: 100%;
            }
            .ds-nav-links a::after {
                display: none;
            }
            .ds-nav-cta {
                display: none;
            }
            .ds-metrics-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                padding: 20px;
            }
            .ds-service-card.col-wide,
            .ds-service-card.col-narrow,
            .ds-service-card.col-third {
                grid-column: span 6;
            }
            .ds-service-card.col-third:last-child {
                grid-column: span 6;
            }
            .ds-service-card.mobile-full {
                grid-column: span 12;
            }
            .ds-deep-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .ds-deep-grid.reverse {
                direction: ltr;
            }
            .ds-scenario-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .ds-scenario-card:last-child {
                grid-column: span 2;
            }
            .ds-process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .ds-cta-wrapper {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .ds-footer-brand {
                grid-column: span 2;
            }
            .ds-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .ds-footer-links {
                justify-content: center;
            }
        }
        @media (max-width: 767px) {
            :root {
                --ds-section-gap: 48px;
            }
            .ds-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .ds-topbar-welcome {
                font-size: 0.75rem;
            }
            .ds-topbar-right {
                gap: 6px;
            }
            .ds-lang-btn {
                padding: 2px 8px;
                font-size: 0.7rem;
            }
            .ds-region-select {
                font-size: 0.7rem;
                padding: 3px 8px;
                padding-right: 22px;
            }
            .ds-cat-hero {
                padding: 48px 0 56px;
            }
            .ds-cat-hero h1 {
                font-size: clamp(1.8rem, 7vw, 2.4rem);
            }
            .ds-cat-hero p {
                font-size: 0.95rem;
            }
            .ds-metrics-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 16px;
            }
            .ds-metric-value {
                font-size: 1.5rem;
            }
            .ds-service-card.col-wide,
            .ds-service-card.col-narrow,
            .ds-service-card.col-third,
            .ds-service-card.col-third:last-child {
                grid-column: span 12;
            }
            .ds-service-card.col-wide .ds-service-card-img {
                aspect-ratio: 16/9;
            }
            .ds-section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .ds-scenario-grid {
                grid-template-columns: 1fr;
            }
            .ds-scenario-card:last-child {
                grid-column: span 1;
            }
            .ds-process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ds-cta-form-panel,
            .ds-cta-info-panel {
                padding: 28px 22px;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ds-footer-brand {
                grid-column: span 1;
            }
            .ds-footer-bottom {
                padding: 14px 0;
            }
        }
        @media (max-width: 519px) {
            .ds-topbar {
                height: 34px;
                font-size: 0.72rem;
            }
            .ds-topbar-welcome {
                display: none;
            }
            .ds-topbar .ds-container {
                justify-content: flex-end;
            }
            .ds-navbar {
                height: 62px;
            }
            .ds-navbar nav {
                top: 62px;
            }
            .ds-logo {
                font-size: 1.15rem;
            }
            .ds-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .ds-cat-hero {
                padding: 36px 0 44px;
            }
            .ds-metrics-strip {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .ds-metric-item {
                display: flex;
                align-items: center;
                justify-content: space-between;
                text-align: left;
                padding: 6px 4px;
            }
            .ds-metric-value {
                font-size: 1.3rem;
                justify-content: flex-start;
            }
            .ds-metric-label {
                margin-top: 0;
                text-align: right;
            }
            .ds-service-card-body {
                padding: 16px 16px 18px;
            }
            .ds-deep-text h2 {
                font-size: 1.4rem;
            }
            .ds-accordion-header {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .ds-accordion-body {
                font-size: 0.85rem;
                padding: 0 16px 14px;
            }
            .ds-footer-links {
                flex-direction: column;
                gap: 8px;
            }
            .ds-footer-bottom span {
                font-size: 0.78rem;
            }
        }

/* roulang page: category3 */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }

        a:hover {
            color: var(--ds-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ============ Top Utility Bar ============ */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }

        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
        }

        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }

        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }

        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 28px;
        }

        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* ============ Main Navbar ============ */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }

        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }

        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-text);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .ds-logo:hover {
            color: var(--ds-primary);
        }

        .ds-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ds-logo span:last-child {
            color: var(--ds-primary);
        }

        .ds-nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ds-nav-links a {
            color: var(--ds-text-secondary);
            font-size: 0.92rem;
            font-weight: 600;
            padding: 6px 2px;
            position: relative;
            display: inline-block;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .ds-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            transition: all 0.25s ease;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .ds-nav-links a:hover::after,
        .ds-nav-links a.active::after {
            width: 100%;
        }

        .ds-nav-links a.active {
            color: var(--ds-primary);
        }

        .ds-nav-links a:hover {
            color: var(--ds-primary);
        }

        .ds-nav-cta {
            background: var(--ds-primary);
            color: #fff;
            border: none;
            border-radius: var(--ds-radius-sm);
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(199, 91, 18, 0.3);
        }

        .ds-nav-toggler {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            z-index: 1060;
        }

        .ds-nav-toggler span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ds-text);
            border-radius: 2px;
            transition: var(--ds-transition);
        }

        /* ============ Breadcrumb ============ */
        .ds-breadcrumb-section {
            background: var(--ds-bg);
            padding: 18px 0;
            border-bottom: 1px solid var(--ds-border);
        }

        .ds-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .ds-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ds-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--ds-text-light);
            font-size: 0.8rem;
        }

        .ds-breadcrumb a {
            color: var(--ds-text-secondary);
            font-weight: 500;
        }

        .ds-breadcrumb a:hover {
            color: var(--ds-primary);
        }

        .ds-breadcrumb .current {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* ============ Page Hero ============ */
        .ds-page-hero {
            position: relative;
            background: var(--ds-dark);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .ds-page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 41, 51, 0.88) 0%, rgba(31, 41, 51, 0.65) 50%, rgba(199, 91, 18, 0.4) 100%);
            z-index: 1;
        }

        .ds-page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .ds-page-hero .ds-container {
            position: relative;
            z-index: 2;
            padding-top: 64px;
            padding-bottom: 64px;
            width: 100%;
        }

        .ds-page-hero-content {
            max-width: 720px;
        }

        .ds-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ds-primary-soft-2);
            color: #FFC9A3;
            border: 1px solid rgba(199, 91, 18, 0.35);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }

        .ds-page-hero h1 {
            color: #fff;
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .ds-page-hero p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 0;
        }

        /* ============ Lead Story Section ============ */
        .ds-lead-story {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-lead-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 36px;
            align-items: center;
        }

        .ds-lead-image {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
            position: relative;
        }

        .ds-lead-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: var(--ds-radius-lg);
            transition: transform 0.5s ease;
        }

        .ds-lead-image:hover img {
            transform: scale(1.03);
        }

        .ds-lead-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--ds-primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 18px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .ds-lead-content {
            padding: 8px 0;
        }

        .ds-date-capsule {
            display: inline-block;
            background: var(--ds-dark);
            color: #fff;
            border-radius: var(--ds-radius-sm);
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .ds-lead-content h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--ds-text);
        }

        .ds-lead-content p {
            color: var(--ds-text-secondary);
            font-size: 0.96rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .ds-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--ds-primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--ds-transition);
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
        }

        .ds-link-arrow .arrow {
            transition: transform 0.25s ease;
            display: inline-block;
        }

        .ds-link-arrow:hover {
            color: var(--ds-primary-hover);
            border-bottom-color: var(--ds-primary-hover);
        }

        .ds-link-arrow:hover .arrow {
            transform: translateX(5px);
        }

        /* ============ News List Section ============ */
        .ds-news-list {
            padding: calc(var(--ds-section-gap) * 0.75) 0;
            background: var(--ds-bg);
        }

        .ds-section-header {
            margin-bottom: 44px;
        }

        .ds-section-header .ds-eyebrow {
            display: inline-block;
            color: var(--ds-primary);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .ds-section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .ds-section-header .ds-header-desc {
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            max-width: 620px;
            line-height: 1.7;
        }

        .ds-news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--ds-card-gap);
        }

        .ds-news-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            padding: 28px 32px;
            transition: var(--ds-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--ds-shadow-sm);
        }

        .ds-news-card:hover {
            box-shadow: var(--ds-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--ds-primary);
        }

        .ds-news-card .ds-date-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .ds-news-card .ds-date-capsule {
            margin-bottom: 0;
            font-size: 0.72rem;
            padding: 3px 12px;
        }

        .ds-news-card .ds-news-category {
            font-size: 0.75rem;
            color: var(--ds-primary);
            font-weight: 600;
            background: var(--ds-primary-soft);
            padding: 3px 10px;
            border-radius: 12px;
        }

        .ds-news-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--ds-text);
        }

        .ds-news-card p {
            color: var(--ds-text-secondary);
            font-size: 0.91rem;
            line-height: 1.75;
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .ds-news-card .ds-link-arrow {
            align-self: flex-start;
            font-size: 0.85rem;
        }

        /* ============ Pagination ============ */
        .ds-pagination-section {
            padding: 36px 0 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .ds-pagination-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--ds-radius-sm);
            border: 1px solid var(--ds-border);
            background: #fff;
            color: var(--ds-text-secondary);
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--ds-transition);
        }

        .ds-pagination-btn:hover {
            border-color: var(--ds-primary);
            color: var(--ds-primary);
        }

        .ds-pagination-btn.active {
            background: var(--ds-primary);
            color: #fff;
            border-color: var(--ds-primary);
        }

        /* ============ Deep Content Section ============ */
        .ds-deep-content {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-deep-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .ds-deep-image {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            box-shadow: var(--ds-shadow-md);
            border: 1px solid var(--ds-border);
        }

        .ds-deep-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--ds-radius-lg);
        }

        .ds-deep-text h2 {
            font-size: clamp(1.4rem, 2.8vw, 2rem);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 20px;
            color: var(--ds-text);
        }

        .ds-deep-text p {
            color: var(--ds-text-secondary);
            font-size: 0.96rem;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .ds-deep-text .ds-key-point {
            background: var(--ds-bg);
            border-left: 3px solid var(--ds-primary);
            padding: 14px 20px;
            border-radius: 0 var(--ds-radius-sm) var(--ds-radius-sm) 0;
            font-weight: 600;
            color: var(--ds-text);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-top: 18px;
        }

        /* ============ Data Snapshot Section ============ */
        .ds-data-snapshot {
            padding: calc(var(--ds-section-gap) * 0.7) 0;
            background: var(--ds-dark);
        }

        .ds-data-snapshot .ds-section-header h2 {
            color: #fff;
        }

        .ds-data-snapshot .ds-section-header .ds-header-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .ds-data-snapshot .ds-section-header .ds-eyebrow {
            color: #FFB27A;
        }

        .ds-metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .ds-metric-card {
            background: var(--ds-dark-2);
            border-radius: var(--ds-radius-lg);
            padding: 28px 24px;
            text-align: left;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--ds-transition);
        }

        .ds-metric-card:hover {
            border-color: rgba(199, 91, 18, 0.5);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .ds-metric-number {
            font-family: var(--ds-font-mono);
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .ds-metric-number .ds-metric-unit {
            font-size: 0.9rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
            margin-left: 4px;
        }

        .ds-metric-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .ds-metric-bar {
            width: 100%;
            height: 5px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            overflow: hidden;
        }

        .ds-metric-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--ds-primary), #F08A4B);
            transition: width 1.2s ease;
        }

        /* ============ Tags Cloud Section ============ */
        .ds-tags-section {
            padding: calc(var(--ds-section-gap) * 0.6) 0;
            background: var(--ds-bg-white);
        }

        .ds-tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .ds-tag-badge {
            display: inline-block;
            background: var(--ds-primary-soft);
            color: var(--ds-primary-hover);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 20px;
            border: 1px solid rgba(199, 91, 18, 0.2);
            transition: var(--ds-transition);
            cursor: default;
            letter-spacing: 0.02em;
        }

        .ds-tag-badge:hover {
            background: var(--ds-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(199, 91, 18, 0.3);
        }

        /* ============ FAQ Section ============ */
        .ds-faq-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }

        .ds-faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .ds-accordion-item {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--ds-transition);
        }

        .ds-accordion-item:hover {
            border-color: rgba(199, 91, 18, 0.3);
        }

        .ds-accordion-item.expanded {
            border-left: 3px solid var(--ds-primary);
            box-shadow: var(--ds-shadow-md);
        }

        .ds-accordion-btn {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ds-text);
            text-align: left;
            transition: var(--ds-transition);
            gap: 16px;
        }

        .ds-accordion-btn:hover {
            color: var(--ds-primary);
        }

        .ds-accordion-icon {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            background: var(--ds-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .ds-accordion-item.expanded .ds-accordion-icon {
            transform: rotate(180deg);
            background: var(--ds-primary-hover);
        }

        .ds-accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            background: var(--ds-bg);
        }

        .ds-accordion-content-inner {
            padding: 0 24px 20px;
            color: var(--ds-text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ============ CTA Section ============ */
        .ds-cta-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: stretch;
            background: var(--ds-bg);
            border-radius: var(--ds-radius-xl);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
            border: 1px solid var(--ds-border);
        }

        .ds-cta-form-side {
            padding: 44px 40px;
            background: var(--ds-bg-white);
        }

        .ds-cta-form-side h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .ds-cta-form-side .ds-cta-form-desc {
            color: var(--ds-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 26px;
            line-height: 1.7;
        }

        .ds-form-group {
            margin-bottom: 18px;
        }

        .ds-form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ds-text);
            margin-bottom: 6px;
        }

        .ds-form-control {
            width: 100%;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-sm);
            padding: 11px 16px;
            font-size: 0.92rem;
            color: var(--ds-text);
            background: #fff;
            outline: none;
            transition: var(--ds-transition);
        }

        .ds-form-control:focus {
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
        }

        textarea.ds-form-control {
            min-height: 90px;
            resize: vertical;
        }

        .ds-form-submit {
            width: 100%;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            border-radius: var(--ds-radius-sm);
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.04em;
        }

        .ds-form-submit:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(199, 91, 18, 0.3);
        }

        .ds-form-submit:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 3px;
        }

        .ds-form-privacy {
            font-size: 0.75rem;
            color: var(--ds-text-light);
            margin-top: 12px;
            line-height: 1.5;
        }

        .ds-cta-info-side {
            background: var(--ds-dark);
            padding: 44px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .ds-cta-info-side::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(199, 91, 18, 0.15);
            pointer-events: none;
        }

        .ds-cta-info-side h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .ds-cta-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .ds-cta-contact-list li {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.9rem;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 12px;
            line-height: 1.6;
        }

        .ds-cta-contact-list li:last-child {
            border-bottom: none;
        }

        .ds-cta-contact-list .contact-icon {
            width: 32px;
            height: 32px;
            min-width: 32px;
            background: var(--ds-primary-soft-2);
            color: #FFB27A;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .ds-cta-small-img {
            margin-top: 28px;
            border-radius: var(--ds-radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.15);
            position: relative;
            z-index: 1;
        }

        .ds-cta-small-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--ds-radius-md);
        }

        /* ============ Footer ============ */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 60px;
        }

        .ds-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
        }

        .ds-footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .ds-footer-brand p {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }

        .ds-footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .ds-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ds-footer-col ul li {
            margin-bottom: 8px;
        }

        .ds-footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: var(--ds-transition);
        }

        .ds-footer-col ul a:hover {
            color: var(--ds-primary);
            padding-left: 4px;
        }

        .ds-footer-contact li {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .ds-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .ds-footer-bottom span {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }

        .ds-footer-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .ds-footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: var(--ds-transition);
        }

        .ds-footer-links a:hover {
            color: var(--ds-primary);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .ds-container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .ds-metrics-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .ds-lead-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .ds-lead-image img {
                height: 280px;
            }

            .ds-deep-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .ds-deep-image img {
                height: 300px;
            }

            .ds-cta-grid {
                grid-template-columns: 1fr;
            }

            .ds-footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
                gap: 32px;
            }

            .ds-footer-brand {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            :root {
                --ds-section-gap: 56px;
                --ds-card-gap: 18px;
            }

            .ds-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .ds-nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px;
                box-shadow: 0 12px 36px rgba(31, 41, 51, 0.12);
                display: none;
                z-index: 1030;
                max-height: calc(100vh - 70px);
                overflow-y: auto;
            }

            .ds-nav-links.open {
                display: flex;
            }

            .ds-nav-links li {
                width: 100%;
                border-bottom: 1px solid var(--ds-border);
            }

            .ds-nav-links li:last-child {
                border-bottom: none;
            }

            .ds-nav-links a {
                display: block;
                padding: 14px 0;
                font-size: 0.95rem;
            }

            .ds-nav-toggler {
                display: flex;
            }

            .ds-nav-cta {
                display: none;
            }

            .ds-topbar-welcome {
                display: none;
            }

            .ds-topbar .ds-container {
                justify-content: flex-end;
            }

            .ds-news-grid {
                grid-template-columns: 1fr;
            }

            .ds-news-card {
                padding: 20px 22px;
            }

            .ds-metrics-row {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .ds-metric-card {
                padding: 20px 16px;
            }

            .ds-cta-form-side,
            .ds-cta-info-side {
                padding: 30px 24px;
            }

            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }

            .ds-footer-brand {
                grid-column: span 1;
            }

            .ds-footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 12px;
            }

            .ds-footer-links {
                justify-content: center;
                gap: 12px;
            }

            .ds-page-hero {
                min-height: 240px;
            }

            .ds-page-hero .ds-container {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .ds-tags-wrapper {
                gap: 8px;
            }

            .ds-tag-badge {
                font-size: 0.75rem;
                padding: 5px 14px;
            }
        }

        @media (max-width: 520px) {
            .ds-container {
                padding-left: 14px;
                padding-right: 14px;
            }

            :root {
                --ds-section-gap: 44px;
            }

            .ds-page-hero h1 {
                font-size: 1.7rem;
            }

            .ds-page-hero p {
                font-size: 0.92rem;
            }

            .ds-lead-image img {
                height: 200px;
            }

            .ds-deep-image img {
                height: 220px;
            }

            .ds-metrics-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .ds-metric-number {
                font-size: 1.6rem;
            }

            .ds-accordion-btn {
                padding: 14px 18px;
                font-size: 0.92rem;
            }

            .ds-accordion-content-inner {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }

            .ds-cta-form-side h2 {
                font-size: 1.25rem;
            }

            .ds-pagination-btn {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }

            .ds-footer-links {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
        }

/* roulang page: category5 */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }

        a:hover {
            color: var(--ds-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ============ Top Utility Bar ============ */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }

        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
        }

        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }

        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }

        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 28px;
        }

        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* ============ Main Navbar ============ */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }

        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }

        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .ds-logo:hover {
            color: var(--ds-primary);
        }

        .ds-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: var(--ds-radius-md);
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ds-logo span {
            color: var(--ds-primary);
        }

        .ds-nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }

        .ds-nav-links li {
            margin: 0;
        }

        .ds-nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--ds-text-secondary);
            position: relative;
            border-radius: var(--ds-radius-sm);
            transition: var(--ds-transition);
            letter-spacing: 0.01em;
        }

        .ds-nav-links a:hover {
            color: var(--ds-primary);
        }

        .ds-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            border-radius: 2px;
            transition: var(--ds-transition);
        }

        .ds-nav-links a:hover::after,
        .ds-nav-links a.active::after {
            width: calc(100% - 28px);
        }

        .ds-nav-links a.active {
            color: var(--ds-primary);
        }

        .ds-nav-cta {
            border: none;
            background: var(--ds-primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--ds-shadow-md);
        }

        .ds-nav-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: none;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-sm);
            cursor: pointer;
            padding: 8px;
            transition: var(--ds-transition);
        }

        .ds-nav-toggler span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--ds-dark);
            border-radius: 2px;
            transition: var(--ds-transition);
        }

        .ds-nav-toggler:hover {
            border-color: var(--ds-primary);
        }

        .ds-nav-toggler:hover span {
            background: var(--ds-primary);
        }

        /* ============ Breadcrumb ============ */
        .ds-breadcrumb-section {
            background: var(--ds-bg);
            padding: 18px 0;
            border-bottom: 1px solid var(--ds-border);
        }

        .ds-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.88rem;
        }

        .ds-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--ds-text-light);
        }

        .ds-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--ds-border);
            margin-left: 4px;
        }

        .ds-breadcrumb a {
            color: var(--ds-text-secondary);
            font-weight: 500;
        }

        .ds-breadcrumb a:hover {
            color: var(--ds-primary);
        }

        .ds-breadcrumb .current {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* ============ Page Header ============ */
        .ds-page-header {
            background: var(--ds-dark);
            color: #fff;
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .ds-page-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(199, 91, 18, 0.16) 0%, transparent 70%);
            pointer-events: none;
        }

        .ds-page-header::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(62, 107, 92, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .ds-page-header .ds-container {
            position: relative;
            z-index: 1;
        }

        .ds-page-header h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }

        .ds-page-header .ds-header-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            line-height: 1.8;
        }

        .ds-header-badge {
            display: inline-block;
            background: var(--ds-primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        /* ============ Consulting Layout ============ */
        .ds-consulting-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-consulting-grid {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 40px;
            align-items: start;
        }

        /* Left sidebar navigation */
        .ds-sidebar-nav {
            position: sticky;
            top: 100px;
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            padding: 20px 16px;
            box-shadow: var(--ds-shadow-sm);
        }

        .ds-sidebar-nav h3 {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--ds-text-light);
            margin: 0 0 14px;
            padding-left: 8px;
            border-left: 3px solid var(--ds-primary);
        }

        .ds-sidebar-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .ds-sidebar-nav a {
            display: block;
            padding: 10px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--ds-text-secondary);
            border-radius: var(--ds-radius-sm);
            transition: var(--ds-transition);
            position: relative;
        }

        .ds-sidebar-nav a:hover {
            color: var(--ds-primary);
            background: var(--ds-primary-soft);
            padding-left: 18px;
        }

        .ds-sidebar-nav a.active {
            color: var(--ds-primary);
            background: var(--ds-primary-soft);
            font-weight: 600;
            padding-left: 18px;
        }

        .ds-sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--ds-primary);
            border-radius: 0 3px 3px 0;
        }

        /* Right content */
        .ds-consulting-content {
            min-width: 0;
        }

        .ds-content-block {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            padding: 36px 40px;
            margin-bottom: 32px;
            box-shadow: var(--ds-shadow-sm);
            transition: var(--ds-transition);
            scroll-margin-top: 100px;
        }

        .ds-content-block:hover {
            box-shadow: var(--ds-shadow-md);
        }

        .ds-content-block h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 20px;
            line-height: 1.35;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--ds-primary-soft);
            position: relative;
        }

        .ds-content-block h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--ds-primary);
            border-radius: 2px;
        }

        .ds-content-block p {
            color: var(--ds-text-secondary);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .ds-content-block p:last-child {
            margin-bottom: 0;
        }

        .ds-content-block strong {
            color: var(--ds-text);
            font-weight: 700;
        }

        .ds-content-list {
            list-style: none;
            margin: 16px 0;
            padding: 0;
        }

        .ds-content-list li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .ds-content-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ds-primary);
            opacity: 0.7;
        }

        /* Inline data cards */
        .ds-inline-data-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 24px 0 16px;
        }

        .ds-inline-data-card {
            background: var(--ds-bg);
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            padding: 20px 22px;
            text-align: center;
            transition: var(--ds-transition);
        }

        .ds-inline-data-card:hover {
            border-color: var(--ds-primary);
            box-shadow: var(--ds-shadow-md);
            transform: translateY(-2px);
        }

        .ds-inline-data-card .ds-data-value {
            font-family: var(--ds-font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--ds-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .ds-inline-data-card .ds-data-unit {
            font-size: 0.85rem;
            color: var(--ds-text-light);
            font-weight: 500;
        }

        .ds-inline-data-card .ds-data-label {
            font-size: 0.82rem;
            color: var(--ds-text-secondary);
            font-weight: 600;
            margin-top: 6px;
        }

        /* Image within content */
        .ds-content-image {
            margin: 24px 0;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
        }

        .ds-content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ============ CTA Section ============ */
        .ds-cta-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }

        .ds-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-radius: var(--ds-radius-xl);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
        }

        .ds-cta-form-side {
            background: #fff;
            padding: 48px 40px;
        }

        .ds-cta-form-side h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 12px;
        }

        .ds-cta-form-side .ds-cta-sub {
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .ds-cta-form-side .form-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--ds-text);
            margin-bottom: 6px;
        }

        .ds-cta-form-side .form-control {
            border: 1px solid var(--ds-border);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 0.95rem;
            color: var(--ds-text);
            transition: var(--ds-transition);
            background: #fff;
        }

        .ds-cta-form-side .form-control:focus {
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
            outline: none;
        }

        .ds-cta-form-side .form-control::placeholder {
            color: var(--ds-text-light);
        }

        .ds-cta-form-side textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        .ds-cta-submit-btn {
            width: 100%;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 14px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
            margin-top: 8px;
        }

        .ds-cta-submit-btn:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--ds-shadow-lg);
        }

        .ds-cta-submit-btn:focus-visible {
            outline: 2px solid var(--ds-primary);
            outline-offset: 2px;
        }

        .ds-cta-privacy {
            font-size: 0.78rem;
            color: var(--ds-text-light);
            margin-top: 12px;
            text-align: center;
        }

        .ds-cta-info-side {
            background: var(--ds-dark);
            color: #fff;
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .ds-cta-info-side::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(199, 91, 18, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .ds-cta-info-side h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .ds-cta-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
            z-index: 1;
        }

        .ds-cta-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 18px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.82);
        }

        .ds-cta-contact-list .ds-contact-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: rgba(199, 91, 18, 0.25);
            border-radius: var(--ds-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--ds-primary);
        }

        .ds-cta-image-mini {
            margin-top: auto;
            border-radius: var(--ds-radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.15);
            position: relative;
            z-index: 1;
        }

        .ds-cta-image-mini img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        /* ============ Footer ============ */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 64px 0 0;
        }

        .ds-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 44px;
        }

        .ds-footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .ds-footer-brand p {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }

        .ds-footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

        .ds-footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ds-footer-col ul li {
            margin-bottom: 10px;
        }

        .ds-footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: var(--ds-transition);
        }

        .ds-footer-col ul a:hover {
            color: var(--ds-primary);
            padding-left: 4px;
        }

        .ds-footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ds-footer-contact li {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .ds-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .ds-footer-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .ds-footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            transition: var(--ds-transition);
        }

        .ds-footer-links a:hover {
            color: var(--ds-primary);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1200px) {
            .ds-consulting-grid {
                grid-template-columns: 240px 1fr;
                gap: 28px;
            }

            .ds-content-block {
                padding: 28px 24px;
            }
        }

        @media (max-width: 992px) {
            .ds-nav-links {
                display: none;
            }

            .ds-nav-cta {
                display: none;
            }

            .ds-nav-toggler {
                display: flex;
            }

            .ds-navbar .ds-container {
                flex-wrap: wrap;
            }

            .ds-consulting-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .ds-sidebar-nav {
                position: static;
                padding: 16px;
            }

            .ds-sidebar-nav ul {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 6px;
            }

            .ds-sidebar-nav a {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .ds-sidebar-nav a:hover,
            .ds-sidebar-nav a.active {
                padding-left: 14px;
            }

            .ds-sidebar-nav a.active::before {
                display: none;
            }

            .ds-cta-grid {
                grid-template-columns: 1fr;
            }

            .ds-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --ds-section-gap: 48px;
            }

            .ds-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .ds-page-header {
                padding: 48px 0 40px;
            }

            .ds-page-header h1 {
                font-size: 1.8rem;
            }

            .ds-content-block {
                padding: 22px 18px;
                border-radius: var(--ds-radius-md);
            }

            .ds-content-block h2 {
                font-size: 1.25rem;
            }

            .ds-cta-form-side,
            .ds-cta-info-side {
                padding: 32px 24px;
            }

            .ds-cta-form-side h2 {
                font-size: 1.3rem;
            }

            .ds-footer {
                padding: 40px 0 0;
            }

            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }

            .ds-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .ds-footer-links {
                gap: 10px;
            }

            .ds-inline-data-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .ds-topbar {
                height: auto;
                padding: 6px 0;
                font-size: 0.75rem;
            }

            .ds-topbar .ds-container {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }

            .ds-topbar-welcome {
                font-size: 0.72rem;
            }

            .ds-navbar {
                height: 60px;
            }

            .ds-logo {
                font-size: 1.1rem;
                gap: 8px;
            }

            .ds-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .ds-page-header h1 {
                font-size: 1.5rem;
            }

            .ds-page-header .ds-header-sub {
                font-size: 0.9rem;
            }

            .ds-breadcrumb {
                font-size: 0.78rem;
            }

            .ds-consulting-section {
                padding: 40px 0;
            }

            .ds-sidebar-nav h3 {
                font-size: 0.75rem;
            }

            .ds-sidebar-nav a {
                font-size: 0.75rem;
                padding: 6px 10px;
            }

            .ds-content-block p {
                font-size: 0.9rem;
            }

            .ds-inline-data-row {
                grid-template-columns: 1fr;
            }

            .ds-inline-data-card .ds-data-value {
                font-size: 1.8rem;
            }

            .ds-cta-form-side,
            .ds-cta-info-side {
                padding: 24px 16px;
            }

            .ds-cta-submit-btn {
                font-size: 0.9rem;
                padding: 12px 16px;
            }
        }

        /* Mobile nav expanded */
        .ds-nav-links.mobile-open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-lg);
            padding: 16px 20px;
            gap: 2px;
            z-index: 1060;
        }

/* roulang page: category4 */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }

        a:hover {
            color: var(--ds-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ============ Top Utility Bar ============ */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }

        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }

        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }

        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 28px;
        }

        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* ============ Main Navbar ============ */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }

        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }

        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-text);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .ds-logo:hover {
            color: var(--ds-text);
        }

        .ds-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ds-logo span:last-child {
            color: var(--ds-primary);
        }

        .ds-nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }

        .ds-nav-links li {
            margin: 0;
        }

        .ds-nav-links a {
            display: block;
            padding: 8px 14px;
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            font-weight: 600;
            position: relative;
            white-space: nowrap;
            transition: var(--ds-transition);
        }

        .ds-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            transition: width 0.3s ease;
        }

        .ds-nav-links a:hover {
            color: var(--ds-primary);
        }

        .ds-nav-links a:hover::after {
            width: calc(100% - 28px);
        }

        .ds-nav-links a.active {
            color: var(--ds-primary);
        }

        .ds-nav-links a.active::after {
            width: calc(100% - 28px);
        }

        .ds-nav-cta {
            display: inline-block;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(199, 91, 18, 0.3);
        }

        .ds-nav-toggler {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }

        .ds-nav-toggler span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ds-text);
            border-radius: 2px;
            transition: var(--ds-transition);
        }

        .ds-nav-toggler[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .ds-nav-toggler[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .ds-nav-toggler[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .ds-nav-toggler span:nth-child(3) {
            display: block;
        }

        .ds-nav-toggler span:nth-child(1),
        .ds-nav-toggler span:nth-child(2) {
            display: block;
        }

        /* ============ Breadcrumb ============ */
        .ds-breadcrumb-section {
            background: var(--ds-bg);
            padding: 18px 0;
            border-bottom: 1px solid var(--ds-border);
        }

        .ds-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--ds-text-secondary);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .ds-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ds-breadcrumb li + li::before {
            content: '/';
            color: var(--ds-text-light);
            font-size: 0.8rem;
        }

        .ds-breadcrumb a {
            color: var(--ds-text-secondary);
            font-weight: 500;
        }

        .ds-breadcrumb a:hover {
            color: var(--ds-primary);
        }

        .ds-breadcrumb .current {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* ============ Page Hero ============ */
        .ds-page-hero {
            position: relative;
            background: var(--ds-dark);
            padding: 80px 0 70px;
            overflow: hidden;
            background-image: linear-gradient(rgba(31, 41, 51, 0.75), rgba(31, 41, 51, 0.88)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .ds-page-hero .ds-container {
            position: relative;
            z-index: 2;
        }

        .ds-page-hero-tag {
            display: inline-block;
            background: var(--ds-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .ds-page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
            max-width: 700px;
        }

        .ds-page-hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ Brand Story Section ============ */
        .ds-brand-story-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1.15fr;
            gap: 56px;
            align-items: start;
        }

        .ds-brand-story-img-wrap {
            position: relative;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-lg);
        }

        .ds-brand-story-img-wrap img {
            width: 100%;
            height: auto;
            border-radius: var(--ds-radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .ds-brand-story-img-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: var(--ds-primary);
            color: #fff;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .ds-brand-story-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 22px;
            line-height: 1.3;
        }

        .ds-brand-story-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-top: 28px;
            margin-bottom: 12px;
        }

        .ds-brand-story-content p {
            color: var(--ds-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
            font-size: 0.98rem;
        }

        .ds-brand-strong {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* ============ Brand Values Section ============ */
        .ds-values-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }

        .ds-values-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .ds-value-card {
            background: #fff;
            border-radius: var(--ds-radius-md);
            padding: 28px 24px;
            border: 1px solid var(--ds-border);
            transition: var(--ds-transition);
            box-shadow: var(--ds-shadow-sm);
        }

        .ds-value-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--ds-shadow-lg);
            border-color: var(--ds-primary);
        }

        .ds-value-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .ds-value-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 10px;
        }

        .ds-value-card p {
            font-size: 0.9rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ============ Timeline Section ============ */
        .ds-timeline-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-timeline {
            position: relative;
            max-width: 760px;
            margin: 0 auto;
            padding-left: 28px;
        }

        .ds-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--ds-border);
        }

        .ds-timeline-item {
            position: relative;
            padding-bottom: 40px;
            padding-left: 24px;
        }

        .ds-timeline-item:last-child {
            padding-bottom: 0;
        }

        .ds-timeline-dot {
            position: absolute;
            left: -27px;
            top: 6px;
            width: 18px;
            height: 18px;
            background: var(--ds-primary);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--ds-primary);
            z-index: 1;
        }

        .ds-timeline-item:nth-child(even) .ds-timeline-dot {
            background: var(--ds-accent);
            box-shadow: 0 0 0 2px var(--ds-accent);
        }

        .ds-timeline-date {
            display: inline-block;
            background: var(--ds-dark);
            color: #fff;
            padding: 3px 14px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            font-family: var(--ds-font-mono);
        }

        .ds-timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 8px;
        }

        .ds-timeline-item p {
            color: var(--ds-text-secondary);
            font-size: 0.93rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ Team Section ============ */
        .ds-team-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }

        .ds-team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .ds-team-card {
            background: #fff;
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            transition: var(--ds-transition);
            box-shadow: var(--ds-shadow-sm);
        }

        .ds-team-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ds-shadow-lg);
            border-color: var(--ds-primary);
        }

        .ds-team-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            border-bottom: 1px solid var(--ds-border);
        }

        .ds-team-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .ds-team-card-body {
            padding: 22px 24px 24px;
        }

        .ds-team-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 6px;
        }

        .ds-team-role {
            display: inline-block;
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            padding: 3px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .ds-team-card-body p {
            font-size: 0.9rem;
            color: var(--ds-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ============ Stats Section ============ */
        .ds-stats-section {
            padding: 56px 0;
            background: var(--ds-dark);
            color: #fff;
        }

        .ds-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .ds-stat-item {
            padding: 12px;
        }

        .ds-stat-number {
            font-size: clamp(2rem, 3.5vw, 2.8rem);
            font-weight: 700;
            color: #fff;
            font-family: var(--ds-font-mono);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .ds-stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ds-primary);
        }

        .ds-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            margin-top: 4px;
        }

        /* ============ FAQ Section ============ */
        .ds-faq-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg-white);
        }

        .ds-faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .ds-faq-item {
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--ds-transition);
        }

        .ds-faq-item:hover {
            border-color: var(--ds-primary-soft-2);
        }

        .ds-faq-item.active {
            border-left: 3px solid var(--ds-primary);
            box-shadow: var(--ds-shadow-md);
        }

        .ds-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            background: #fff;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ds-text);
            cursor: pointer;
            text-align: left;
            transition: var(--ds-transition);
            gap: 16px;
        }

        .ds-faq-question:hover {
            background: var(--ds-bg);
        }

        .ds-faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--ds-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--ds-transition);
        }

        .ds-faq-item.active .ds-faq-icon {
            background: var(--ds-dark);
            transform: rotate(45deg);
        }

        .ds-faq-answer {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--ds-text-secondary);
            line-height: 1.85;
            background: var(--ds-bg);
            display: none;
        }

        .ds-faq-item.active .ds-faq-answer {
            display: block;
        }

        /* ============ CTA Section ============ */
        .ds-cta-section {
            padding: var(--ds-section-gap) 0;
            background: var(--ds-bg);
        }

        .ds-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .ds-cta-content h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .ds-cta-content p {
            color: var(--ds-text-secondary);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .ds-cta-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .ds-btn-primary {
            display: inline-block;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
        }

        .ds-btn-primary:hover {
            background: var(--ds-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(199, 91, 18, 0.3);
        }

        .ds-btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--ds-primary);
            border: 1.5px solid var(--ds-primary);
            padding: 11px 26px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
        }

        .ds-btn-secondary:hover {
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            transform: translateY(-2px);
        }

        .ds-cta-img-wrap {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-lg);
        }

        .ds-cta-img-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            border-radius: 0;
        }

        /* ============ Footer ============ */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 56px 0 0;
            font-size: 0.9rem;
        }

        .ds-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 40px;
        }

        .ds-footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .ds-footer-brand h3 span {
            color: var(--ds-primary);
        }

        .ds-footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 260px;
        }

        .ds-footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .ds-footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ds-footer-col ul li {
            margin-bottom: 10px;
        }

        .ds-footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: var(--ds-transition);
        }

        .ds-footer-col ul li a:hover {
            color: var(--ds-primary);
        }

        .ds-footer-contact li {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .ds-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .ds-footer-bottom span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
        }

        .ds-footer-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .ds-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: var(--ds-transition);
        }

        .ds-footer-links a:hover {
            color: var(--ds-primary);
        }

        /* ============ Section Header ============ */
        .ds-section-header {
            max-width: 620px;
            margin-bottom: 32px;
        }

        .ds-section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .ds-section-tag {
            display: inline-block;
            background: var(--ds-primary-soft);
            color: var(--ds-primary);
            padding: 5px 14px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .ds-section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--ds-text);
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .ds-section-header p {
            color: var(--ds-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1200px) {
            .ds-container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .ds-nav-links a {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 991px) {
            .ds-navbar {
                height: 62px;
            }

            .ds-nav-links {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 0;
                border-bottom: 1px solid var(--ds-border);
                box-shadow: var(--ds-shadow-lg);
                display: none;
            }

            .ds-nav-links.open {
                display: flex;
            }

            .ds-nav-links li {
                width: 100%;
            }

            .ds-nav-links a {
                padding: 12px 0;
                font-size: 1rem;
                width: 100%;
                border-bottom: 1px solid var(--ds-border);
            }

            .ds-nav-links li:last-child a {
                border-bottom: none;
            }

            .ds-nav-links a::after {
                display: none;
            }

            .ds-nav-toggler {
                display: flex;
            }

            .ds-nav-cta {
                display: none;
            }

            .ds-brand-story-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .ds-values-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .ds-team-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .ds-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .ds-cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .ds-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .ds-footer-brand p {
                max-width: 100%;
            }

            :root {
                --ds-section-gap: 56px;
            }
        }

        @media (max-width: 767px) {
            .ds-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .ds-topbar-welcome {
                font-size: 0.75rem;
            }

            .ds-lang-btn {
                padding: 2px 8px;
                font-size: 0.7rem;
            }

            .ds-region-select {
                padding: 2px 8px;
                font-size: 0.7rem;
                padding-right: 22px;
                background-position: right 6px center;
            }

            .ds-values-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .ds-team-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .ds-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .ds-cta-btns {
                flex-direction: column;
                width: 100%;
            }

            .ds-btn-primary,
            .ds-btn-secondary {
                width: 100%;
                text-align: center;
            }

            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .ds-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .ds-footer-links {
                justify-content: center;
                gap: 14px;
            }

            .ds-page-hero {
                padding: 48px 0 44px;
            }

            .ds-page-hero h1 {
                font-size: 1.7rem;
            }

            .ds-page-hero-sub {
                font-size: 0.95rem;
            }

            .ds-timeline {
                padding-left: 18px;
            }

            .ds-timeline-item {
                padding-left: 16px;
            }

            .ds-timeline-dot {
                left: -19px;
                width: 14px;
                height: 14px;
                border-width: 2px;
            }

            :root {
                --ds-section-gap: 48px;
                --ds-card-gap: 16px;
            }

            .ds-brand-story-section,
            .ds-values-section,
            .ds-timeline-section,
            .ds-team-section,
            .ds-faq-section,
            .ds-cta-section {
                padding: 48px 0;
            }

            .ds-stats-section {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .ds-stats-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .ds-breadcrumb {
                font-size: 0.8rem;
                gap: 6px;
            }

            .ds-stat-number {
                font-size: 1.8rem;
            }

            .ds-section-header h2 {
                font-size: 1.4rem;
            }

            .ds-faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }

            .ds-faq-answer {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }

            .ds-footer-links a {
                font-size: 0.75rem;
            }
        }

/* roulang page: category6 */
:root {
            --ds-primary: #C75B12;
            --ds-primary-hover: #A64A0D;
            --ds-primary-soft: rgba(199, 91, 18, 0.10);
            --ds-primary-soft-2: rgba(199, 91, 18, 0.15);
            --ds-dark: #1F2933;
            --ds-dark-2: #2B3642;
            --ds-dark-3: #3A4654;
            --ds-accent: #3E6B5C;
            --ds-accent-soft: rgba(62, 107, 92, 0.12);
            --ds-bg: #F5F1E8;
            --ds-bg-white: #FFFFFF;
            --ds-border: #E1D9CB;
            --ds-text: #1F2933;
            --ds-text-secondary: #5C6670;
            --ds-text-light: #8B939C;
            --ds-success: #3E6B5C;
            --ds-warning: #B8452E;
            --ds-radius-sm: 6px;
            --ds-radius-md: 10px;
            --ds-radius-lg: 14px;
            --ds-radius-xl: 16px;
            --ds-shadow-sm: 0 1px 3px rgba(31, 41, 51, 0.06);
            --ds-shadow-md: 0 4px 16px rgba(31, 41, 51, 0.08);
            --ds-shadow-lg: 0 8px 24px rgba(31, 41, 51, 0.10);
            --ds-shadow-xl: 0 16px 48px rgba(31, 41, 51, 0.14);
            --ds-font-mono: 'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
            --ds-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --ds-section-gap: 80px;
            --ds-card-gap: 28px;
            --ds-transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ds-font-sans);
            color: var(--ds-text);
            background-color: var(--ds-bg-white);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--ds-primary);
            text-decoration: none;
            transition: var(--ds-transition);
        }
        a:hover {
            color: var(--ds-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .ds-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* Topbar */
        .ds-topbar {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.82);
            height: 38px;
            font-size: 0.82rem;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1050;
        }
        .ds-topbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }
        .ds-topbar-welcome {
            letter-spacing: 0.02em;
            font-weight: 500;
        }
        .ds-topbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ds-lang-btn {
            border: none;
            background: transparent;
            color: rgba(255, 255, 255, 0.75);
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            letter-spacing: 0.03em;
        }
        .ds-lang-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .ds-lang-btn.active {
            background: var(--ds-primary);
            color: #fff;
        }
        .ds-region-select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 4px 28px 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            outline: none;
            transition: var(--ds-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M1 1l3 3 3-3' stroke='white' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
        }
        .ds-region-select option {
            color: var(--ds-text);
            background: #fff;
        }

        /* Navbar */
        .ds-navbar {
            background: #fff;
            height: 70px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--ds-border);
            transition: box-shadow 0.3s ease;
        }
        .ds-navbar.scrolled {
            box-shadow: 0 4px 24px rgba(31, 41, 51, 0.08);
        }
        .ds-navbar .ds-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }
        .ds-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--ds-dark);
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .ds-logo:hover {
            color: var(--ds-dark);
        }
        .ds-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--ds-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .ds-logo span:last-child {
            color: var(--ds-primary);
        }
        .ds-navbar nav {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }
        .ds-nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .ds-nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--ds-text-secondary);
            border-radius: var(--ds-radius-sm);
            position: relative;
            transition: var(--ds-transition);
        }
        .ds-nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--ds-primary);
            transition: all 0.3s ease;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .ds-nav-links li a:hover {
            color: var(--ds-primary);
        }
        .ds-nav-links li a:hover::after {
            width: calc(100% - 32px);
        }
        .ds-nav-links li a.active {
            color: var(--ds-primary);
        }
        .ds-nav-links li a.active::after {
            width: calc(100% - 32px);
        }
        .ds-nav-cta {
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .ds-nav-cta:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(199, 91, 18, 0.3);
        }
        .ds-nav-toggler {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }
        .ds-nav-toggler span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ds-dark);
            border-radius: 2px;
            transition: var(--ds-transition);
        }

        /* Breadcrumb */
        .ds-breadcrumb-section {
            padding: 28px 0 0;
            background: var(--ds-bg);
        }
        .ds-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .ds-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ds-breadcrumb a {
            color: var(--ds-text-secondary);
        }
        .ds-breadcrumb a:hover {
            color: var(--ds-primary);
        }
        .ds-breadcrumb .separator {
            color: var(--ds-border);
            font-size: 0.8rem;
        }
        .ds-breadcrumb .current {
            color: var(--ds-primary);
            font-weight: 600;
        }

        /* Hero Section */
        .ds-resource-hero {
            background: var(--ds-bg);
            padding: 40px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .ds-resource-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(199, 91, 18, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .ds-resource-hero .ds-container {
            position: relative;
            z-index: 1;
        }
        .ds-resource-hero-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
        }
        .ds-resource-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--ds-dark);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .ds-resource-hero h1 span {
            color: var(--ds-primary);
        }
        .ds-resource-hero .ds-hero-subtitle {
            font-size: 1.1rem;
            color: var(--ds-text-secondary);
            line-height: 1.9;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .ds-resource-hero .ds-hero-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .ds-hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ds-hero-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--ds-primary);
            font-family: var(--ds-font-mono);
        }
        .ds-hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--ds-text-secondary);
            line-height: 1.4;
        }
        .ds-resource-hero-visual {
            background: var(--ds-dark);
            border-radius: var(--ds-radius-xl);
            padding: 32px;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }
        .ds-resource-hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(31,41,51,0.15) 0%, rgba(31,41,51,0.75) 100%);
            border-radius: var(--ds-radius-xl);
        }
        .ds-resource-hero-visual .ds-visual-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .ds-resource-hero-visual .ds-visual-label {
            display: inline-block;
            background: var(--ds-primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .ds-resource-hero-visual .ds-visual-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .ds-resource-hero-visual .ds-visual-text {
            font-size: 0.85rem;
            opacity: 0.85;
            line-height: 1.6;
        }

        /* Search & Filter */
        .ds-search-section {
            padding: 0 0 24px;
            background: var(--ds-bg);
        }
        .ds-search-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            padding: 28px 32px;
            box-shadow: var(--ds-shadow-sm);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .ds-search-input-wrap {
            flex: 1;
            min-width: 260px;
            position: relative;
        }
        .ds-search-input {
            width: 100%;
            padding: 12px 44px 12px 16px;
            border: 1px solid var(--ds-border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: var(--ds-transition);
            background: var(--ds-bg);
        }
        .ds-search-input:focus {
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
            background: #fff;
        }
        .ds-search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--ds-text-light);
            pointer-events: none;
            font-size: 1.1rem;
        }
        .ds-filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .ds-filter-tag {
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--ds-border);
            background: #fff;
            color: var(--ds-text-secondary);
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
        }
        .ds-filter-tag:hover {
            border-color: var(--ds-primary);
            color: var(--ds-primary);
        }
        .ds-filter-tag.active {
            background: var(--ds-primary);
            border-color: var(--ds-primary);
            color: #fff;
        }
        .ds-search-btn {
            background: var(--ds-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
            white-space: nowrap;
        }
        .ds-search-btn:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
        }

        /* Resource Cards */
        .ds-resources-section {
            padding: 40px 0 64px;
            background: var(--ds-bg-white);
        }
        .ds-section-header {
            margin-bottom: 36px;
        }
        .ds-section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 10px;
        }
        .ds-section-header p {
            color: var(--ds-text-secondary);
            font-size: 1rem;
            max-width: 640px;
            margin: 0;
        }
        .ds-resource-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            grid-template-rows: auto auto;
            gap: var(--ds-card-gap);
        }
        .ds-resource-card {
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-lg);
            background: #fff;
            box-shadow: var(--ds-shadow-sm);
            transition: var(--ds-transition);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .ds-resource-card:hover {
            box-shadow: var(--ds-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--ds-primary);
        }
        .ds-resource-card.featured {
            grid-row: span 2;
            flex-direction: row;
            align-items: stretch;
        }
        .ds-resource-card-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .ds-resource-card.featured .ds-resource-card-body {
            padding: 32px 36px;
            justify-content: center;
        }
        .ds-resource-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .ds-resource-icon.pdf-icon {
            background: rgba(184, 69, 46, 0.1);
            color: #B8452E;
        }
        .ds-resource-icon.xlsx-icon {
            background: rgba(62, 107, 92, 0.12);
            color: #3E6B5C;
        }
        .ds-resource-icon.zip-icon {
            background: rgba(199, 91, 18, 0.1);
            color: #C75B12;
        }
        .ds-resource-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .ds-resource-card .ds-resource-desc {
            font-size: 0.92rem;
            color: var(--ds-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }
        .ds-resource-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 0.8rem;
            color: var(--ds-text-light);
            font-weight: 600;
            flex-wrap: wrap;
        }
        .ds-resource-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .ds-resource-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--ds-primary);
            color: var(--ds-primary);
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.88rem;
            cursor: pointer;
            transition: var(--ds-transition);
            margin-top: 14px;
            align-self: flex-start;
        }
        .ds-resource-download:hover {
            background: var(--ds-primary-soft);
            border-color: var(--ds-primary);
            color: var(--ds-primary);
            transform: translateY(-1px);
        }
        .ds-resource-card.featured .ds-resource-download {
            background: var(--ds-primary);
            color: #fff;
            border-color: var(--ds-primary);
        }
        .ds-resource-card.featured .ds-resource-download:hover {
            background: var(--ds-primary-hover);
            border-color: var(--ds-primary-hover);
        }

        /* Deep Dive 1 */
        .ds-dive-section {
            padding: 64px 0;
            background: var(--ds-bg);
        }
        .ds-dive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .ds-dive-image {
            border-radius: var(--ds-radius-lg);
            overflow: hidden;
            border: 1px solid var(--ds-border);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-dive-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .ds-dive-content h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .ds-dive-content p {
            font-size: 1rem;
            color: var(--ds-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .ds-dive-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .ds-dive-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 0.95rem;
            color: var(--ds-text-secondary);
            border-bottom: 1px solid var(--ds-border);
        }
        .ds-dive-list li:last-child {
            border-bottom: none;
        }
        .ds-dive-list .ds-list-marker {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--ds-primary);
            margin-top: 10px;
            flex-shrink: 0;
        }

        /* Deep Dive 2 */
        .ds-dive2-section {
            padding: 64px 0 80px;
            background:var(--ds-dark);
        }
        .ds-dive2-section .ds-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: stretch;
        }
        .ds-dive2-text {
            color: rgba(255, 255, 255, 0.9);
            padding: 20px 0;
        }
        .ds-dive2-text h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .ds-dive2-text p {
            font-size: 1rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 16px;
        }
        .ds-dive2-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--ds-radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }
        .ds-dive2-panel .ds-panel-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .ds-dive2-panel .ds-panel-row:last-child {
            border-bottom: none;
        }
        .ds-dive2-panel .ds-panel-row strong {
            color: #fff;
            font-size: 1.1rem;
            font-family: var(--ds-font-mono);
        }
        .ds-dive2-panel .ds-panel-note {
            margin-top: 18px;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }

        /* FAQ */
        .ds-faq-section {
            padding: 64px 0 80px;
            background: var(--ds-bg-white);
        }
        .ds-faq-section .ds-section-header {
            margin-bottom: 32px;
        }
        .ds-faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .ds-faq-item {
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-md);
            background: #fff;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--ds-transition);
        }
        .ds-faq-item.active {
            border-left: 3px solid var(--ds-primary);
            box-shadow: var(--ds-shadow-md);
        }
        .ds-faq-item .ds-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ds-text);
            cursor: pointer;
            transition: var(--ds-transition);
        }
        .ds-faq-item .ds-faq-question:hover {
            color: var(--ds-primary);
        }
        .ds-faq-item .ds-faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--ds-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 600;
            flex-shrink: 0;
            transition: var(--ds-transition);
        }
        .ds-faq-item .ds-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .ds-faq-item .ds-faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: var(--ds-text-secondary);
            line-height: 1.85;
        }
        .ds-faq-item.active .ds-faq-icon {
            background: var(--ds-dark);
        }

        /* CTA Section */
        .ds-cta-section {
            padding: 64px 0 80px;
            background: var(--ds-bg);
        }
        .ds-cta-card {
            background: #fff;
            border: 1px solid var(--ds-border);
            border-radius: var(--ds-radius-xl);
            overflow: hidden;
            box-shadow: var(--ds-shadow-lg);
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .ds-cta-form {
            padding: 40px 44px;
        }
        .ds-cta-form h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ds-dark);
            margin-bottom: 8px;
        }
        .ds-cta-form p {
            font-size: 0.95rem;
            color: var(--ds-text-secondary);
            margin-bottom: 24px;
        }
        .ds-form-group {
            margin-bottom: 18px;
        }
        .ds-form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--ds-border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            background: var(--ds-bg);
            transition: var(--ds-transition);
        }
        .ds-form-input:focus {
            border-color: var(--ds-primary);
            box-shadow: 0 0 0 3px rgba(199, 91, 18, 0.15);
            background: #fff;
        }
        .ds-form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .ds-form-toggle {
            display: flex;
            gap: 10px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .ds-toggle-option {
            padding: 6px 16px;
            border: 1px solid var(--ds-border);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            background: #fff;
            color: var(--ds-text-secondary);
            transition: var(--ds-transition);
        }
        .ds-toggle-option.active {
            background: var(--ds-primary);
            border-color: var(--ds-primary);
            color: #fff;
        }
        .ds-form-submit {
            width: 100%;
            padding: 14px 24px;
            background: var(--ds-primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ds-transition);
        }
        .ds-form-submit:hover {
            background: var(--ds-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(199, 91, 18, 0.3);
        }
        .ds-form-privacy {
            font-size: 0.8rem;
            color: var(--ds-text-light);
            margin-top: 12px;
            text-align: center;
        }
        .ds-cta-info {
            background: var(--ds-dark);
            color: #fff;
            padding: 40px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .ds-cta-info::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 60%;
            height: 160%;
            background: radial-gradient(circle, rgba(199, 91, 18, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .ds-cta-info h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }
        .ds-cta-info ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            position: relative;
        }
        .ds-cta-info ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .ds-cta-info ul li .ds-info-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--ds-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            flex-shrink: 0;
            margin-top: 4px;
        }
        .ds-cta-info .ds-cta-image {
            border-radius: var(--ds-radius-md);
            overflow: hidden;
            margin-top: 16px;
            position: relative;
        }
        .ds-cta-info .ds-cta-image img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        /* Footer */
        .ds-footer {
            background: var(--ds-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }
        .ds-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }
        .ds-footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .ds-footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.8;
            max-width: 320px;
        }
        .ds-footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .ds-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ds-footer-col ul li {
            margin-bottom: 10px;
        }
        .ds-footer-col ul li a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.88rem;
            transition: var(--ds-transition);
        }
        .ds-footer-col ul li a:hover {
            color: var(--ds-primary);
        }
        .ds-footer-contact li {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .ds-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .ds-footer-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .ds-footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--ds-transition);
        }
        .ds-footer-links a:hover {
            color: var(--ds-primary);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .ds-container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (max-width: 991px) {
            .ds-resource-hero-grid,
            .ds-dive-grid,
            .ds-dive2-section .ds-container,
            .ds-cta-card {
                grid-template-columns: 1fr;
            }
            .ds-resource-hero-visual {
                min-height: 220px;
            }
            .ds-resource-grid {
                grid-template-columns: 1fr;
            }
            .ds-resource-card.featured {
                grid-row: auto;
                flex-direction: column;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            :root {
                --ds-section-gap: 56px;
            }
            .ds-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .ds-navbar nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--ds-border);
                box-shadow: var(--ds-shadow-md);
            }
            .ds-navbar nav.open {
                display: flex;
            }
            .ds-nav-links {
                flex-direction: column;
                width: 100%;
            }
            .ds-nav-links li {
                width: 100%;
            }
            .ds-nav-links li a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .ds-nav-toggler {
                display: flex;
            }
            .ds-nav-cta {
                display: none;
            }
            .ds-topbar-welcome {
                font-size: 0.7rem;
            }
            .ds-resource-hero {
                padding: 32px 0 40px;
            }
            .ds-resource-hero h1 {
                font-size: 1.8rem;
            }
            .ds-search-card {
                padding: 20px;
            }
            .ds-resource-card-body {
                padding: 20px;
            }
            .ds-cta-form,
            .ds-cta-info {
                padding: 28px 24px;
            }
            .ds-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .ds-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .ds-footer-links {
                justify-content: center;
            }
        }
        @media (max-width: 576px) {
            .ds-topbar {
                height: 36px;
            }
            .ds-topbar .ds-container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .ds-resource-hero .ds-hero-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .ds-resource-hero-visual {
                padding: 24px;
                min-height: 180px;
            }
            .ds-dive2-panel {
                padding: 20px;
            }
        }