/* roulang page: index */
:root {
            --color-primary: #1a3a56;
            --color-primary-light: #3d5f80;
            --color-primary-dark: #0b1e33;
            --color-accent: #c9a32a;
            --color-accent-light: #f5e39a;
            --color-accent-dark: #7d6219;
            --color-bg: #fafbfc;
            --color-surface: #ffffff;
            --color-text: #1a1f2e;
            --color-text-muted: #5f6b7a;
            --color-text-light: #8a94a3;
            --color-border: #e2e7ed;
            --color-border-light: #f0f3f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 163, 42, 0.12);
        }

        .container-custom {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-accent-dark);
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

        .nav-links a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: #f5f7fa;
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf9e8;
            font-weight: 600;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 0;
            background: #f5f7fa;
            border-radius: 24px;
            padding: 4px 6px 4px 16px;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            max-width: 220px;
            flex-shrink: 1;
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(201, 163, 42, 0.1);
            max-width: 280px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            width: 100%;
            padding: 6px 0;
            color: var(--color-text);
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .nav-search button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .nav-search button:hover {
            background: var(--color-accent-dark);
            transform: scale(1.04);
        }

        .nav-cta {
            padding: 9px 20px;
            border-radius: 24px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.875rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(26, 58, 86, 0.2);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(26, 58, 86, 0.3);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            background: #f5f7fa;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: #e8ecf1;
        }

        /* Mobile nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 1001;
            box-shadow: var(--shadow-xl);
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            transform: translateX(100%);
            transition: transform var(--transition-base);
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel .mobile-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f5f7fa;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel .mobile-close:hover {
            background: #e2e7ed;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: #fdf9e8;
            color: var(--color-accent-dark);
        }

        /* Section spacing */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(170deg, #f8fafb 0%, #eef3f7 40%, #f5f7f9 100%);
            overflow: hidden;
        }

        .hero-bg-img {
            position: absolute;
            right: -60px;
            top: 50%;
            transform: translateY(-50%);
            width: 520px;
            height: 400px;
            border-radius: var(--radius-xl);
            object-fit: cover;
            opacity: 0.55;
            pointer-events: none;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 30%, rgba(0, 0, 0, 0.05) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 30%, rgba(0, 0, 0, 0.05) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: #fdf9e8;
            color: var(--color-accent-dark);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }

        .hero-title .accent {
            color: var(--color-accent);
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 540px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 58, 86, 0.25);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 22px rgba(26, 58, 86, 0.35);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 163, 42, 0.25);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(201, 163, 42, 0.38);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: #fff;
            color: var(--color-primary);
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            background: #f8fafb;
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* Stats cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-number .plus {
            color: var(--color-accent);
            font-size: 1.8rem;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* Section titles */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            text-align: center;
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            text-align: center;
            margin: 0 0 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card-grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0f4f8;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 14px;
            background: rgba(26, 58, 86, 0.85);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            z-index: 1;
        }
        .card-body {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }
        .card-link {
            font-weight: 600;
            font-size: 0.875rem;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .card-link:hover {
            color: var(--color-primary);
            gap: 8px;
        }
        .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .card-link:hover i {
            transform: translateX(3px);
        }

        /* Advantage cards */
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: #fdf9e8;
            color: var(--color-accent-dark);
            transition: all var(--transition-base);
        }
        .advantage-card:hover .advantage-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.08);
        }
        .advantage-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .advantage-desc {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Brand story */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-lg);
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
        }
        .story-text p {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.85;
            margin: 0 0 14px;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 3.5rem;
            color: var(--color-accent-light);
            position: absolute;
            top: 8px;
            left: 18px;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin: 0 0 16px;
            padding-top: 18px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: center;
            align-items: center;
        }
        .partner-item {
            background: #fff;
            padding: 18px 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            font-weight: 600;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: var(--color-primary);
            border-color: var(--color-accent-light);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: #fff;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }
        .faq-question:hover {
            background: #fdf9e8;
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.925rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-card .card-img-wrap {
            aspect-ratio: 16/9;
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }
        .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0 0 12px;
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            overflow: hidden;
            margin: 0 24px;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            opacity: 0.18;
            pointer-events: none;
        }
        .cta-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #0b1e33;
            color: #bcccdc;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.875rem;
            color: #8faac3;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: #8faac3;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #6285a7;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .card-grid-5 {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .card-grid-5 .card:nth-child(4),
            .card-grid-5 .card:nth-child(5) {
                display: flex;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-bg-img {
                width: 380px;
                height: 300px;
                right: -40px;
                opacity: 0.4;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .card-grid-5 {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .story-block {
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-search {
                max-width: 160px;
            }
            .cta-section {
                padding: 40px 28px;
                margin: 0 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-search,
            .nav-cta.desktop-only {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .hero-section {
                padding: 50px 0 60px;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-bg-img {
                width: 260px;
                height: 220px;
                right: -30px;
                opacity: 0.3;
            }
            .hero-content {
                max-width: 100%;
            }
            .section {
                padding: 44px 0;
            }
            .section-lg {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .card-grid,
            .card-grid-4,
            .card-grid-5,
            .testimonial-grid,
            .news-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .story-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .story-text h3 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 32px 20px;
                margin: 0 12px;
                border-radius: var(--radius-lg);
            }
            .cta-content h3 {
                font-size: 1.5rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-desc {
                font-size: 0.875rem;
            }
            .hero-bg-img {
                display: none;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .card-grid,
            .card-grid-4,
            .card-grid-5,
            .testimonial-grid,
            .news-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .card-grid-5 .card:nth-child(4),
            .card-grid-5 .card:nth-child(5) {
                display: flex;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .nav-wrapper {
                height: 56px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-content h3 {
                font-size: 1.3rem;
            }
            .cta-content p {
                font-size: 0.9rem;
            }
            .partner-item {
                padding: 12px 16px;
                font-size: 0.82rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer p {
                font-size: 0.85rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a365d;
            --color-primary-light: #2c5282;
            --color-primary-dark: #0f2440;
            --color-accent: #c9a84c;
            --color-accent-light: #e2c97e;
            --color-accent-dark: #a8892f;
            --color-bg: #f8f9fb;
            --color-card: #ffffff;
            --color-text: #1f2937;
            --color-text-light: #6b7280;
            --color-border: #e5e7eb;
            --color-shadow: rgba(26, 54, 93, 0.08);
            --color-shadow-lg: rgba(26, 54, 93, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px var(--color-shadow);
            padding: 0 16px;
            height: 64px;
            display: flex;
            align-items: center;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            font-size: 1.5rem;
            color: var(--color-accent);
            display: flex;
            align-items: center;
        }
        .nav-logo:hover {
            color: var(--color-primary-light);
        }
        .nav-logo:hover .logo-icon {
            color: var(--color-accent-dark);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 4px;
            align-items: center;
            flex-shrink: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: #f1f5f9;
        }
        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 700;
            background: #eef2f8;
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 999px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: #f3f4f6;
            border-radius: 999px;
            padding: 6px 14px;
            gap: 6px;
            flex-shrink: 1;
            min-width: 0;
            max-width: 220px;
            border: 1.5px solid transparent;
            transition: all var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--color-accent);
            background: #ffffff;
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: #9ca3af;
        }
        .nav-search button {
            padding: 4px;
            color: #6b7280;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .nav-search button:hover {
            color: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 999px;
            background: var(--color-primary);
            color: #ffffff !important;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }
        .nav-cta:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(26, 54, 93, 0.3);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.4rem;
            padding: 8px;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .nav-hamburger:hover {
            background: #f3f4f6;
            color: var(--color-primary);
        }

        .desktop-only {
            display: inline-flex;
        }

        /* ========== MOBILE NAV DRAWER ========== */
        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-normal);
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100%;
            background: #ffffff;
            z-index: 2001;
            transform: translateX(100%);
            transition: transform var(--transition-normal);
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.18);
            display: flex;
            flex-direction: column;
            padding: 20px 24px;
            overflow-y: auto;
        }
        .mobile-nav-drawer.open {
            transform: translateX(0);
        }
        .mobile-nav-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-nav-drawer .drawer-close {
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer .drawer-close:hover {
            background: #f3f4f6;
            color: var(--color-primary);
        }
        .mobile-nav-drawer .drawer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-drawer .drawer-links a {
            display: block;
            padding: 13px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer .drawer-links a:hover {
            background: #f1f5f9;
            color: var(--color-primary);
        }
        .mobile-nav-drawer .drawer-links a.drawer-active {
            background: #eef2f8;
            color: var(--color-primary);
            font-weight: 700;
            border-left: 3px solid var(--color-accent);
        }
        .mobile-nav-drawer .drawer-cta {
            margin-top: 20px;
            display: block;
            text-align: center;
            padding: 13px 24px;
            border-radius: 999px;
            background: var(--color-primary);
            color: #ffffff !important;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer .drawer-cta:hover {
            background: var(--color-primary-light);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2e;
            color: #cbd5e1;
            padding: 48px 16px 24px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: 1240px;
            margin: 0 auto;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: #94a3b8;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #e2c97e;
        }
        .footer-bottom {
            border-top: 1px solid #2d3343;
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .desktop-only {
                display: none !important;
            }
            .nav-hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 640px) {
            .site-header {
                height: 56px;
            }
            .nav-wrapper {
                height: 56px;
                gap: 10px;
            }
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                font-size: 1.25rem;
            }
            .site-footer {
                padding: 32px 12px 18px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .mobile-nav-drawer {
                width: 280px;
                max-width: 88vw;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2a44;
            --accent: #c8a44e;
            --accent-light: #d4b86a;
            --surface: #ffffff;
            --surface-alt: #f7f8fa;
            --text-main: #1a1a2e;
            --text-soft: #5a5f6e;
            --text-muted: #8b8f9a;
            --border-light: #e8eaef;
            --border-card: #eef0f4;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 8px rgba(0, 0, 0, 0.05);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.05), 0 2px 8px rgba(0, 0, 0, 0.04);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--surface);
            min-height: 100vh;
            font-size: 16px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-smooth);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            box-shadow: var(--shadow-nav);
            padding: 0;
            height: 64px;
            display: flex;
            align-items: center;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 64px;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.22rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            transition: color var(--transition-smooth);
        }
        .nav-logo:hover {
            color: var(--primary-dark);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary) 0%, #1f5080 100%);
            color: #fff;
            font-size: 1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            height: 100%;
        }
        .nav-links li {
            height: 100%;
            display: flex;
            align-items: center;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.04);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(26, 60, 94, 0.07);
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--surface-alt);
            border-radius: var(--radius-input);
            padding: 0 6px 0 14px;
            height: 40px;
            flex-shrink: 0;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.07);
            background: #fff;
        }
        .nav-search input {
            flex: 1;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text-main);
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 7px;
            color: var(--text-soft);
            transition: all var(--transition-smooth);
            flex-shrink: 0;
        }
        .nav-search button:hover {
            background: rgba(26, 60, 94, 0.08);
            color: var(--primary);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-btn);
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            font-size: 1.3rem;
            color: var(--text-soft);
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }
        .nav-hamburger:hover {
            background: rgba(26, 60, 94, 0.06);
            color: var(--primary);
        }

        /* Mobile Nav Overlay */
        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 2001;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 20px 24px;
            overflow-y: auto;
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
        }
        .mobile-nav-panel.open {
            transform: translateX(0);
        }
        .mobile-nav-panel .mobile-nav-close {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--text-soft);
            transition: all var(--transition-smooth);
        }
        .mobile-nav-panel .mobile-nav-close:hover {
            background: rgba(0, 0, 0, 0.05);
        }
        .mobile-nav-panel .mobile-nav-links a {
            display: block;
            padding: 13px 16px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-soft);
            margin-bottom: 4px;
            transition: all var(--transition-smooth);
        }
        .mobile-nav-panel .mobile-nav-links a:hover,
        .mobile-nav-panel .mobile-nav-links a.active {
            background: rgba(26, 60, 94, 0.07);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav-panel .mobile-nav-cta {
            display: block;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            margin-top: 16px;
            transition: all var(--transition-smooth);
        }
        .mobile-nav-panel .mobile-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 42, 68, 0.88) 0%, rgba(26, 60, 94, 0.78) 40%, rgba(15, 42, 68, 0.82) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
            width: 100%;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-smooth);
        }
        .breadcrumb-nav a:hover {
            color: #fff;
        }
        .breadcrumb-nav .separator {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.7rem;
        }
        .breadcrumb-nav .current {
            color: #fff;
            font-weight: 500;
        }

        /* Section通用 */
        .section-padding {
            padding: 60px 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            text-align: center;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-soft);
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* Stat Cards */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-card);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
            display: block;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-soft);
            margin-top: 4px;
        }

        /* Info Cards */
        .info-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--border-card);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .info-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .info-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            background: rgba(200, 164, 78, 0.12);
            color: #8b6d2e;
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .info-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .info-card-desc {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .info-card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            margin-top: 14px;
            transition: all var(--transition-smooth);
        }
        .info-card-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .info-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-smooth);
        }
        .info-card-link:hover i {
            transform: translateX(3px);
        }

        /* News List */
        .news-list-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            padding-left: 6px;
        }
        .news-date-badge {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--surface-alt);
            border-radius: 10px;
            padding: 10px 14px;
            min-width: 56px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .news-date-day {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .news-date-month {
            font-size: 0.75rem;
            color: var(--text-soft);
            margin-top: 2px;
            font-weight: 500;
        }
        .news-list-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: color var(--transition-smooth);
        }
        .news-list-item:hover .news-list-content h4 {
            color: var(--primary);
        }
        .news-list-content p {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.5;
            margin: 0;
        }
        .news-list-content .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Tool Block */
        .tool-block {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            border: 1px solid var(--border-card);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }
        .tool-block:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .tool-icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(26, 60, 94, 0.07);
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 14px;
            transition: all var(--transition-smooth);
        }
        .tool-block:hover .tool-icon-circle {
            background: var(--primary);
            color: #fff;
        }
        .tool-block h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .tool-block p {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.5;
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: #d0d5de;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            background: transparent;
            border: none;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.02);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.7;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #0f2a44 0%, #1a3c5e 40%, #162d4a 100%);
            border-radius: 20px;
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 0.95rem;
            opacity: 0.85;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(200, 164, 78, 0.3);
        }
        .cta-btn:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 78, 0.4);
            color: #1a1a2e;
        }

        /* Footer */
        .site-footer {
            background: #f2f3f6;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-bottom: 8px;
            transition: color var(--transition-smooth);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid #e0e2e6;
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.84rem;
            }
            .nav-search {
                width: 160px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
            .footer-grid>div:first-child {
                grid-column: 1/-1;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-cta.desktop-only {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .page-banner {
                min-height: 240px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid>div:first-child {
                grid-column: 1/-1;
            }
            .news-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-date-badge {
                flex-direction: row;
                gap: 6px;
                padding: 6px 12px;
                min-width: auto;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: 16px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-banner {
                min-height: 200px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .info-card-img {
                height: 160px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .cta-btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .breadcrumb-nav {
                font-size: 0.8rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand: #1a3c5e;
            --color-brand-light: #2a5580;
            --color-brand-dark: #0e1f34;
            --color-gold: #c4943a;
            --color-gold-light: #d4a853;
            --color-gold-dark: #9a6b1f;
            --color-bg: #f8fafb;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --max-width: 1260px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-brand);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-brand-light);
        }

        .logo-icon {
            font-size: 1.5rem;
            color: var(--color-gold);
            display: flex;
            align-items: center;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            align-items: center;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-brand);
            background: #f1f5f9;
        }

        .nav-links a.active {
            color: var(--color-brand);
            background: #eef3f8;
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: #f8fafb;
            border: 1px solid var(--color-border);
            border-radius: 25px;
            padding: 6px 14px;
            gap: 8px;
            flex-shrink: 1;
            min-width: 160px;
            transition: all var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-brand-light);
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.08);
            background: var(--color-white);
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .nav-search button {
            background: none;
            border: none;
            color: var(--color-text-muted);
            padding: 4px;
            display: flex;
            align-items: center;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-search button:hover {
            color: var(--color-brand);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-brand);
            color: #fff;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: none;
        }

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

        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: var(--color-white);
            z-index: 2000;
            box-shadow: var(--shadow-xl);
            padding: 24px;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-normal);
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel .close-btn {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a.active {
            background: #eef3f8;
            color: var(--color-brand);
            font-weight: 600;
        }

        .mobile-nav-panel a:hover {
            background: #f1f5f9;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 1500;
            cursor: pointer;
        }

        .mobile-overlay.show {
            display: block;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand) 40%, #1e4d6e 100%);
            padding: 60px 0 70px;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
            max-width: 750px;
            margin: 0 auto;
        }

        .page-hero .badge-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 6px 18px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }

        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin: 0;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 60px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-brand-dark);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== 卡片网格 ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .card-article {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

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

        .card-article .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8edf2;
        }

        .card-article .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }

        .card-article:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-article .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-brand);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 4px;
            z-index: 2;
            letter-spacing: 0.03em;
        }

        .card-article .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .card-article .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-brand-dark);
            margin: 0;
            line-height: 1.4;
        }

        .card-article .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }

        .card-article .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .card-article .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-brand);
            transition: color var(--transition-fast);
            margin-top: auto;
        }

        .card-article .card-link:hover {
            color: var(--color-gold);
        }

        .card-article .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .card-article .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 分析维度卡片 ========== */
        .dimension-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

        .dim-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .dim-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .dim-card .dim-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #eef3f8, #dbe4ed);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--color-brand);
            transition: all var(--transition-normal);
        }

        .dim-card:hover .dim-icon {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 8px 24px rgba(26, 60, 94, 0.3);
        }

        .dim-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-brand-dark);
            margin: 0 0 8px;
        }

        .dim-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 统计条 ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1.2;
        }

        .stat-item .stat-num .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== 信息卡片横向 ========== */
        .info-card-h {
            display: flex;
            gap: 28px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            align-items: center;
            transition: all var(--transition-normal);
        }

        .info-card-h:hover {
            box-shadow: var(--shadow-md);
        }

        .info-card-h .info-img {
            width: 140px;
            height: 140px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }

        .info-card-h .info-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-brand-dark);
            margin: 0 0 8px;
        }

        .info-card-h .info-content p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand) 50%, var(--color-brand-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-block>* {
            position: relative;
            z-index: 1;
        }

        .cta-block h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 auto 24px;
            max-width: 550px;
            line-height: 1.7;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-gold);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .btn-cta-lg:hover {
            background: var(--color-gold-light);
            box-shadow: 0 8px 28px rgba(196, 148, 58, 0.4);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0e1a28;
            color: #cbd5e1;
            padding: 50px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: #94a3b8;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-gold-light);
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: #64748b;
            line-height: 1.6;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .desktop-only {
                display: none !important;
            }

            .nav-links {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

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

            .info-card-h {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .info-card-h .info-img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }

            .cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }

            .dimension-cards {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }

            .section-block {
                padding: 40px 0;
            }

            .page-hero {
                padding: 40px 0 50px;
            }

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

            .page-hero .hero-desc {
                font-size: 1rem;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

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

            .dimension-cards {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-item .stat-num {
                font-size: 1.8rem;
            }

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

            .cta-block {
                padding: 32px 22px;
            }

            .cta-block h2 {
                font-size: 1.4rem;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }

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

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }

            .dimension-cards {
                grid-template-columns: 1fr;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-item {
                padding: 20px 14px;
            }

            .stat-item .stat-num {
                font-size: 1.5rem;
            }

            .nav-logo {
                font-size: 1rem;
            }

            .nav-logo .logo-icon {
                font-size: 1.2rem;
            }

            .btn-cta-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f2b5e;
            --primary-light: #1a3f7a;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --surface: #f8f9fb;
            --surface-alt: #eef1f7;
            --muted: #6b7280;
            --text-main: #1a1d26;
            --text-soft: #4b5563;
            --radius-card: 0.875rem;
            --radius-btn: 0.6rem;
            --shadow-card: 0 1px 3px rgba(15, 43, 94, 0.06), 0 4px 16px rgba(15, 43, 94, 0.05);
            --shadow-card-hover: 0 2px 8px rgba(15, 43, 94, 0.10), 0 8px 28px rgba(15, 43, 94, 0.08);
            --shadow-nav: 0 1px 0 rgba(15, 43, 94, 0.06);
            --shadow-btn: 0 2px 6px rgba(200, 150, 62, 0.28);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.65;
            color: var(--text-main);
            background-color: #ffffff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* HEADER */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid rgba(15, 43, 94, 0.05);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 1rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: opacity 0.2s;
        }
        .nav-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            color: var(--accent);
            font-size: 1.35rem;
        }
        .nav-links {
            display: none;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.15rem;
            align-items: center;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links li a {
            display: block;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-btn);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: var(--surface-alt);
        }
        .nav-links li a.active {
            color: #ffffff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-search {
            display: none;
            position: relative;
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .nav-search {
                display: flex;
            }
        }
        .nav-search input {
            width: 180px;
            padding: 0.5rem 0.85rem;
            padding-right: 2.4rem;
            border: 1px solid #dde2ea;
            border-radius: 2rem;
            font-size: 0.875rem;
            background: var(--surface);
            color: var(--text-main);
            outline: none;
            transition: all 0.25s;
        }
        .nav-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.08);
            background: #fff;
            width: 210px;
        }
        .nav-search button {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--muted);
            padding: 0.35rem 0.55rem;
            border-radius: 50%;
            transition: color 0.2s;
        }
        .nav-search button:hover {
            color: var(--primary);
        }
        .nav-cta {
            display: none;
            flex-shrink: 0;
            padding: 0.5rem 1.25rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 2rem;
            transition: all 0.25s;
            box-shadow: var(--shadow-btn);
        }
        .nav-cta:hover {
            background: #b88734;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.38);
            transform: translateY(-1px);
        }
        @media (min-width: 1024px) {
            .nav-cta.desktop-only {
                display: inline-block;
            }
        }
        .nav-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 0.35rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s;
        }
        .nav-hamburger:hover {
            background: var(--surface-alt);
        }
        @media (min-width: 1024px) {
            .nav-hamburger {
                display: none;
            }
        }

        /* MOBILE NAV OVERLAY */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 20, 40, 0.55);
            z-index: 200;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100%;
            background: #fff;
            z-index: 210;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
            transition: right 0.35s ease;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-panel .close-btn {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-soft);
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s;
        }
        .mobile-nav-panel .close-btn:hover {
            background: var(--surface-alt);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            color: var(--text-soft);
            transition: all 0.2s;
            font-size: 1rem;
        }
        .mobile-nav-panel a:hover {
            background: var(--surface-alt);
            color: var(--primary);
        }
        .mobile-nav-panel a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        /* FOOTER */
        .site-footer {
            background: #0c1f3f;
            color: #c9d4e5;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1fr;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: #a3b3cc;
            max-width: 380px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }
        .footer-col a {
            display: block;
            color: #a3b3cc;
            font-size: 0.875rem;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: #7888a4;
            line-height: 1.8;
        }

        /* SHARED COMPONENTS */
        .section-pad {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-pad {
                padding: 5rem 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(200, 150, 62, 0.08);
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 1rem;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.7;
            max-width: 680px;
            margin: 0 auto 0;
        }
        .card-base {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            border-radius: 2rem;
            border: none;
            font-size: 0.9rem;
            transition: all 0.25s;
            box-shadow: var(--shadow-btn);
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #b88734;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.4rem;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            border-radius: 2rem;
            border: 2px solid var(--primary);
            font-size: 0.9rem;
            transition: all 0.25s;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .tag-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            background: var(--surface-alt);
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .tag-badge.accent {
            background: rgba(200, 150, 62, 0.12);
            color: #8b6914;
        }
        .highlight-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        @media (min-width: 640px) {
            .highlight-num {
                font-size: 2.8rem;
            }
        }

/* roulang page: category5 */
:root {
            --brand-dark: #1B3A5C;
            --brand-mid: #234B75;
            --brand-light: #3A6B9F;
            --gold: #C8953B;
            --gold-light: #D9A94E;
            --gold-pale: #F5EDDF;
            --surface: #F8F9FB;
            --surface-alt: #EDF1F6;
            --text-primary: #1a1a1a;
            --text-secondary: #6b7280;
            --text-muted: #9ca3af;
            --border-soft: #e5e7eb;
            --border-light: #f0f1f3;
            --card-radius: 12px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
            --nav-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: #ffffff;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            box-shadow: var(--nav-shadow);
            border-bottom: 1px solid var(--border-light);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-dark);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            font-size: 1.35rem;
            color: var(--gold);
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-links li a:hover {
            color: var(--brand-dark);
            background: var(--surface-alt);
        }
        .nav-links li a.active {
            color: var(--brand-dark);
            background: var(--gold-pale);
            font-weight: 600;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: 24px;
            padding: 6px 12px;
            gap: 6px;
            flex-shrink: 1;
            min-width: 160px;
            max-width: 240px;
            transition: all var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--brand-light);
            box-shadow: 0 0 0 3px rgba(27, 58, 92, 0.06);
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.875rem;
            color: var(--text-primary);
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search button {
            border: none;
            background: transparent;
            color: var(--text-secondary);
            padding: 4px;
            border-radius: 50%;
            transition: color var(--transition-fast);
        }
        .nav-search button:hover {
            color: var(--brand-dark);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-dark);
            color: #ffffff;
            padding: 10px 20px;
            border-radius: var(--btn-radius);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            box-shadow: var(--btn-shadow, 0 2px 8px rgba(27, 58, 92, 0.15));
        }
        .nav-cta:hover {
            background: var(--brand-mid);
            box-shadow: var(--btn-shadow-hover, 0 4px 16px rgba(27, 58, 92, 0.25));
            transform: translateY(-1px);
            color: #ffffff;
        }

        .nav-hamburger {
            display: none;
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .nav-hamburger:hover {
            background: var(--surface-alt);
        }

        /* Mobile nav overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 2000;
            background: rgba(0, 0, 0, 0.5);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: #ffffff;
            z-index: 2100;
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: right var(--transition-smooth);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-panel .mobile-nav-close {
            align-self: flex-end;
            border: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: 6px;
            cursor: pointer;
        }
        .mobile-nav-panel .mobile-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel .mobile-nav-list li a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel .mobile-nav-list li a:hover,
        .mobile-nav-panel .mobile-nav-list li a.mobile-active {
            background: var(--gold-pale);
            color: var(--brand-dark);
            font-weight: 600;
        }
        .mobile-nav-panel .mobile-nav-cta {
            display: block;
            text-align: center;
            background: var(--brand-dark);
            color: #ffffff;
            padding: 12px 20px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            margin-top: 8px;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel .mobile-nav-cta:hover {
            background: var(--brand-mid);
            color: #ffffff;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 58, 92, 0.82) 0%, rgba(27, 58, 92, 0.65) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 48px 24px;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #ffffff;
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
            letter-spacing: 0.5px;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            margin: 0 0 24px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--gold);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 10px;
            line-height: 1.35;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== CARDS ========== */
        .card-strategy {
            background: #ffffff;
            border-radius: var(--card-radius);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-strategy:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-soft);
        }
        .card-strategy .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .card-strategy .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card-strategy:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-strategy .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--gold);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.5px;
            z-index: 1;
        }
        .card-strategy .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-strategy .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0;
            line-height: 1.4;
        }
        .card-strategy .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }
        .card-strategy .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--gold);
            transition: color var(--transition-fast);
            margin-top: 4px;
        }
        .card-strategy .card-body .card-link:hover {
            color: var(--brand-dark);
        }
        .card-strategy .card-body .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }
        .card-strategy:hover .card-body .card-link i {
            transform: translateX(3px);
        }

        /* ========== TIP CARD ========== */
        .tip-card {
            background: #ffffff;
            border-radius: var(--card-radius);
            box-shadow: var(--card-shadow);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            height: 100%;
        }
        .tip-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .tip-card .tip-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #ffffff;
        }
        .tip-card .tip-icon.blue {
            background: var(--brand-dark);
        }
        .tip-card .tip-icon.gold {
            background: var(--gold);
        }
        .tip-card .tip-icon.teal {
            background: #0d9488;
        }
        .tip-card .tip-icon.indigo {
            background: #4f46e5;
        }
        .tip-card .tip-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 6px;
        }
        .tip-card .tip-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== MISTAKE CARD ========== */
        .mistake-card {
            background: #ffffff;
            border-radius: var(--card-radius);
            border: 1px solid #fde8e8;
            border-left: 4px solid #ef4444;
            padding: 20px 24px;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .mistake-card:hover {
            box-shadow: var(--card-shadow-hover);
            border-left-color: #dc2626;
        }
        .mistake-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #b91c1c;
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mistake-card h4 i {
            font-size: 1.1rem;
        }
        .mistake-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== INFO BLOCK ========== */
        .info-block {
            background: var(--surface);
            border-radius: var(--card-radius);
            padding: 36px 32px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 32px;
            align-items: center;
        }
        .info-block .info-img {
            flex-shrink: 0;
            width: 320px;
            border-radius: 10px;
            overflow: hidden;
        }
        .info-block .info-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .info-block .info-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 12px;
        }
        .info-block .info-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0 0 16px;
            line-height: 1.7;
        }
        .info-block .info-text .info-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .info-block .info-text .info-list li {
            font-size: 0.9rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .info-block .info-text .info-list li i {
            color: var(--gold);
            font-size: 0.85rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: #d0d5dd;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-dark);
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--surface);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--gold);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-mid) 100%);
            border-radius: 16px;
            padding: 48px 40px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 24px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #ffffff;
            color: var(--brand-dark);
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .btn-white:hover {
            background: #f0f0f0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
            transform: translateY(-1px);
            color: var(--brand-dark);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: #ffffff;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
        }
        .btn-outline-white:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #111827;
            color: #d1d5db;
            padding: 48px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: #9ca3af;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 12px;
        }
        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: #9ca3af;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 16px;
            font-size: 0.8rem;
            color: #6b7280;
            text-align: center;
            line-height: 1.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .nav-search {
                min-width: 120px;
                max-width: 180px;
            }
            .nav-cta.desktop-only {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .info-block {
                flex-direction: column;
                text-align: center;
            }
            .info-block .info-img {
                width: 100%;
                max-width: 400px;
            }
            .info-block .info-text .info-list {
                align-items: center;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-cta.desktop-only {
                display: none;
            }
            .nav-hamburger {
                display: block;
            }
            .nav-wrapper {
                height: 56px;
            }
            .page-hero {
                min-height: 320px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 1.35rem;
            }
            .info-block {
                padding: 24px 20px;
            }
            .tip-card {
                padding: 20px 16px;
            }
            .mistake-card {
                padding: 16px 18px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .nav-logo span {
                font-size: 1rem;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero .hero-desc {
                font-size: 0.85rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .card-strategy .card-img-wrap {
                height: 160px;
            }
            .card-strategy .card-body h3 {
                font-size: 1rem;
            }
            .cta-banner h2 {
                font-size: 1.2rem;
            }
            .cta-banner p {
                font-size: 0.85rem;
            }
            .btn-white,
            .btn-outline-white {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .mobile-nav-panel {
                width: 280px;
            }
        }