/* roulang page: index */
:root {
            --primary: #1a2a4a;
            --primary-light: #2c3e6b;
            --primary-dark: #0f1a30;
            --accent: #c9a84c;
            --accent-light: #e0c06a;
            --accent-dark: #a88a2e;
            --bg-light: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1a30;
            --text-dark: #1a1a2e;
            --text-body: #3d3d4a;
            --text-muted: #7a7a8a;
            --text-light: #f0efe8;
            --border-color: #e5e3de;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 74, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 74, 0.08);
            --shadow-lg: 0 20px 50px rgba(26, 42, 74, 0.12);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s 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: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            font-size: 1rem;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

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

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
            font-weight: 800;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-main a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 4px 0;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-main a:hover::after,
        .nav-main a.active::after {
            width: 100%;
        }
        .nav-main a:hover {
            color: var(--primary);
        }
        .nav-main a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.85rem;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(26, 42, 74, 0.2);
        }
        .nav-cta::after {
            display: none !important;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
        }

        @media (max-width: 992px) {
            .nav-main {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 16px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
                align-items: stretch;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                padding: 10px 0;
                font-size: 1rem;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-main a:last-child {
                border-bottom: none;
            }
            .nav-cta {
                text-align: center;
                padding: 12px 20px !important;
            }
            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 576px) {
            .logo {
                font-size: 1.2rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .site-header .container {
                height: 64px;
            }
            .nav-main {
                top: 64px;
                padding: 16px 20px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-content {
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.15);
            border: 1px solid rgba(201, 168, 76, 0.3);
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 24px;
        }
        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }
        .hero h1 span {
            color: var(--accent);
        }

        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.3);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .num span {
            color: var(--accent);
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        @media (max-width: 992px) {
            .hero {
                padding: 72px 0 56px;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 32px;
            }
            .hero-stat-item .num {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-custom,
            .btn-outline-light-custom {
                justify-content: center;
                padding: 12px 24px;
            }
            .hero-stats {
                gap: 16px;
                flex-direction: column;
            }
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-header h2 span {
            color: var(--accent-dark);
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .section-header .overline {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        /* ===== 核心服务 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .service-card .icon {
            width: 56px;
            height: 56px;
            background: rgba(201, 168, 76, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-dark);
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-card .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--accent-dark);
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 12px;
            border-radius: 50px;
        }

        @media (max-width: 992px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                padding: 28px 20px;
            }
        }

        /* ===== 分类入口 ===== */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .category-card .card-top {
            padding: 32px 28px 0;
        }
        .category-card .card-icon {
            width: 48px;
            height: 48px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .category-card .card-footer {
            padding: 16px 28px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            margin-top: auto;
        }
        .category-card .card-footer .count {
            color: var(--text-muted);
        }
        .category-card .card-footer .link {
            color: var(--primary);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-card .card-footer .link:hover {
            color: var(--accent-dark);
        }

        @media (max-width: 768px) {
            .category-cards {
                grid-template-columns: 1fr;
            }
            .category-card .card-top {
                padding: 24px 20px 0;
            }
            .category-card .card-footer {
                padding: 14px 20px;
            }
        }

        /* ===== 最新资讯 ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .news-item .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-item .meta .cat {
            background: rgba(201, 168, 76, 0.1);
            color: var(--accent-dark);
            padding: 2px 10px;
            border-radius: 50px;
            font-weight: 500;
        }
        .news-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 8px;
            flex: 1;
        }
        .news-item h3 a {
            color: inherit;
        }
        .news-item h3 a:hover {
            color: var(--accent-dark);
        }
        .news-item .excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .read-more {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
        }
        .news-item .read-more:hover {
            color: var(--accent-dark);
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        .news-empty i {
            font-size: 2rem;
            margin-bottom: 12px;
            opacity: 0.4;
        }

        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item {
                padding: 20px;
            }
        }

        /* ===== 数据板块 ===== */
        .data-section {
            background: var(--primary);
            color: #fff;
        }
        .data-section .section-header h2 {
            color: #fff;
        }
        .data-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        .data-section .section-header .overline {
            color: var(--accent-light);
        }

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

        .data-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .data-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
        }
        .data-card .num {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-card .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
        }

        @media (max-width: 992px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-card {
                padding: 20px 16px;
            }
            .data-card .num {
                font-size: 1.8rem;
            }
        }

        /* ===== 流程/路径 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
        }
        .step-card .icon {
            font-size: 1.8rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
            margin-top: 8px;
        }
        .step-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 576px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-card {
                padding: 28px 20px;
            }
        }

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

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open::after {
            transform: rotate(180deg);
        }
        .faq-question:hover {
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        @media (max-width: 576px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-primary-custom {
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 1rem;
            padding: 16px 44px;
        }
        .cta-section .btn-primary-custom:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo .logo-icon {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 面包屑（备用） ===== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .sep {
            color: var(--border-color);
        }
        .breadcrumb-custom .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== 其他 ===== */
        .text-accent {
            color: var(--accent-dark);
        }
        .bg-soft {
            background: var(--bg-light);
        }
        .bg-white {
            background: var(--bg-white);
        }

        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 999;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

/* roulang page: article */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4068;
            --primary-dark: #0f1a30;
            --accent: #c9a84c;
            --accent-light: #e0c36a;
            --accent-dark: #a88830;
            --bg-body: #f8f7f4;
            --bg-card: #ffffff;
            --bg-dark: #1a2a4a;
            --bg-section-alt: #f0ede8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #8a8a9a;
            --text-light: #ffffff;
            --border-color: #e5e2dc;
            --border-light: #f0ede8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26,42,74,0.06);
            --shadow-md: 0 8px 30px rgba(26,42,74,0.08);
            --shadow-lg: 0 20px 50px rgba(26,42,74,0.12);
            --shadow-accent: 0 8px 30px rgba(201,168,76,0.25);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            padding-top: var(--nav-height);
            font-size: 16px;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1050;
            height: var(--nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled { background: rgba(255,255,255,0.98); box-shadow: var(--shadow-sm); }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.25rem; font-weight: 700; color: var(--primary);
            letter-spacing: -0.02em;
        }
        .logo:hover { color: var(--primary); }
        .logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 10px;
            background: var(--primary); color: var(--accent);
            font-size: 1.2rem; font-weight: 700;
        }
        .nav-main { display: flex; align-items: center; gap: 8px; }
        .nav-main a {
            padding: 8px 18px; border-radius: 50px;
            font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--primary); background: rgba(26,42,74,0.05); }
        .nav-main a.active {
            color: var(--primary); background: rgba(26,42,74,0.08);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; border-radius: 2px;
            background: var(--accent);
        }
        .nav-main a.nav-cta {
            background: var(--primary); color: var(--text-light);
            padding: 8px 22px; font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-main a.nav-cta:hover {
            background: var(--primary-light); color: var(--text-light);
            transform: translateY(-2px); box-shadow: var(--shadow-md);
        }
        .nav-main a.nav-cta i { margin-right: 6px; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--primary); cursor: pointer; padding: 8px; }
        @media (max-width: 992px) {
            .nav-main { display: none; }
            .nav-toggle { display: block; }
            .nav-main.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); padding: 16px 24px; border-bottom: 1px solid var(--border-color); gap: 4px; }
            .nav-main.open a { width: 100%; padding: 12px 18px; border-radius: 8px; }
            .nav-main.open a.active::after { display: none; }
            .nav-main.open a.nav-cta { text-align: center; }
        }

        /* ===== 文章详情页 ===== */
        .article-hero {
            padding: 60px 0 40px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero .breadcrumb {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px;
        }
        .article-hero .breadcrumb a { color: var(--text-muted); }
        .article-hero .breadcrumb a:hover { color: var(--primary); }
        .article-hero .breadcrumb .sep { color: var(--text-muted); }
        .article-hero .breadcrumb .current { color: var(--text-secondary); font-weight: 500; }
        .article-hero h1 {
            font-size: 2.4rem; font-weight: 800;
            line-height: 1.25; margin-bottom: 20px;
            color: var(--text-primary);
            max-width: 900px;
        }
        .article-meta {
            display: flex; flex-wrap: wrap; gap: 20px;
            color: var(--text-muted); font-size: 0.9rem;
            align-items: center;
        }
        .article-meta .badge-cat {
            display: inline-block; padding: 4px 16px; border-radius: 50px;
            background: rgba(201,168,76,0.15); color: var(--accent-dark);
            font-weight: 600; font-size: 0.8rem;
        }
        .article-meta span i { margin-right: 6px; }

        .article-main {
            padding: 60px 0 80px;
            background: var(--bg-body);
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-content p {
            margin-bottom: 1.6rem;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-content h2 {
            font-size: 1.6rem; font-weight: 700;
            margin-top: 40px; margin-bottom: 16px;
            color: var(--text-primary);
        }
        .article-content h3 {
            font-size: 1.25rem; font-weight: 700;
            margin-top: 32px; margin-bottom: 12px;
            color: var(--text-primary);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.6rem; padding-left: 24px;
        }
        .article-content ul li, .article-content ol li {
            margin-bottom: 8px; color: var(--text-secondary);
            list-style: disc;
        }
        .article-content ol li { list-style: decimal; }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px; margin: 24px 0;
            background: rgba(201,168,76,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary); font-style: italic;
        }
        .article-content img { border-radius: var(--radius-md); margin: 24px 0; }

        /* ===== 侧边栏 ===== */
        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-widget h3 {
            font-size: 1.1rem; font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-list li {
            padding: 12px 0; border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex; flex-direction: column; gap: 4px;
            color: var(--text-secondary); font-weight: 500;
            font-size: 0.95rem;
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list .meta { font-size: 0.8rem; color: var(--text-muted); font-weight: 400; }

        .sidebar-tags {
            display: flex; flex-wrap: wrap; gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block; padding: 6px 16px; border-radius: 50px;
            background: var(--bg-section-alt); color: var(--text-secondary);
            font-size: 0.8rem; font-weight: 500;
            transition: all var(--transition);
        }
        .sidebar-tags a:hover { background: var(--primary); color: var(--text-light); }

        /* ===== 文章导航 ===== */
        .article-nav {
            display: flex; justify-content: space-between; gap: 20px;
            margin-top: 48px; padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }
        .article-nav a {
            display: flex; align-items: center; gap: 12px;
            padding: 16px 24px; border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary); font-weight: 500;
            transition: all var(--transition);
            flex: 1; max-width: 48%;
        }
        .article-nav a:hover {
            border-color: var(--accent); color: var(--primary);
            box-shadow: var(--shadow-sm); transform: translateY(-2px);
        }
        .article-nav a i { font-size: 1.2rem; }
        .article-nav .nav-next { text-align: right; justify-content: flex-end; }

        /* ===== 空文章状态 ===== */
        .not-found-state {
            text-align: center; padding: 80px 20px;
        }
        .not-found-state i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
        .not-found-state h2 { font-size: 1.8rem; margin-bottom: 16px; }
        .not-found-state p { color: var(--text-secondary); max-width: 500px; margin: 0 auto 24px; }
        .not-found-state .btn-home {
            display: inline-block; padding: 12px 32px; border-radius: 50px;
            background: var(--primary); color: var(--text-light);
            font-weight: 600; transition: all var(--transition);
        }
        .not-found-state .btn-home:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 0;
        }
        .site-footer .logo { color: var(--text-light); margin-bottom: 16px; }
        .site-footer .logo .logo-icon { background: var(--accent); color: var(--primary); }
        .footer-grid {
            display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px; padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
        .footer-col h4 {
            color: var(--text-light); font-size: 0.95rem; font-weight: 600;
            margin-bottom: 20px; letter-spacing: 0.5px;
        }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.6); font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-col ul a i { width: 20px; margin-right: 8px; }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center;
            padding: 24px 0; flex-wrap: wrap; gap: 12px;
            font-size: 0.85rem; color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 992px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 600px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .article-hero h1 { font-size: 1.8rem; }
            .article-content { padding: 32px 24px; }
            .article-nav { flex-direction: column; }
            .article-nav a { max-width: 100%; }
        }
        @media (max-width: 768px) {
            body { font-size: 15px; }
            .article-hero { padding: 40px 0 24px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-content { padding: 24px 16px; border-radius: var(--radius-md); }
            .article-content p { font-size: 1rem; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .sidebar-widget { padding: 20px 16px; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.3rem; }
            .article-content { padding: 16px 12px; }
        }

        /* ===== 实用 ===== */
        .mt-40 { margin-top: 40px; }
        .mb-40 { margin-bottom: 40px; }
        .gap-16 { gap: 16px; }
        .text-accent { color: var(--accent); }
        .fw-700 { font-weight: 700; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4a7a;
            --primary-lighter: #3a6ab5;
            --primary-dark: #0f1a30;
            --secondary: #c9a84c;
            --secondary-light: #e0c76a;
            --secondary-dark: #a8882e;
            --accent: #e85d3a;
            --accent-light: #f07a5a;
            --bg-light: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f1a30;
            --text-dark: #1a1a2e;
            --text-body: #33334d;
            --text-muted: #7a7a8a;
            --text-light: #f0eee8;
            --border-light: #e8e5de;
            --border-medium: #d0ccc4;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 74, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 74, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 42, 74, 0.14);
            --shadow-xl: 0 24px 64px rgba(26, 42, 74, 0.18);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .section-title {
            font-size: 2.25rem;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 2.5rem;
            text-align: center;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-title {
            margin-bottom: 0.75rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            font-size: 0.95rem;
            line-height: 1.4;
            text-decoration: none;
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary-lighter);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: var(--secondary);
            color: var(--primary-dark);
            border-color: var(--secondary);
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-body);
            border-color: transparent;
        }
        .btn-ghost:hover {
            background: rgba(26, 42, 74, 0.06);
            color: var(--primary);
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* ===== Badge / Tag ===== */
        .badge-custom {
            display: inline-block;
            padding: 0.3rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            background: rgba(201, 168, 76, 0.15);
            color: var(--secondary-dark);
            letter-spacing: 0.3px;
        }
        .badge-custom.primary-badge {
            background: rgba(26, 42, 74, 0.1);
            color: var(--primary);
        }
        .badge-custom.accent-badge {
            background: rgba(232, 93, 58, 0.12);
            color: var(--accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.3px;
        }
        .logo:hover {
            color: var(--primary-light);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.2rem;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-main a {
            padding: 0.5rem 1rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
            position: relative;
        }
        .nav-main a:hover {
            color: var(--primary);
            background: rgba(26, 42, 74, 0.04);
        }
        .nav-main a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1rem;
            right: 1rem;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-main a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            margin-left: 0.5rem;
        }
        .nav-main a.nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .nav-main a.nav-cta::after {
            display: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(26, 42, 74, 0.06);
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 5rem 0 4rem;
            background: linear-gradient(165deg, var(--bg-white) 0%, var(--bg-light) 100%);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 42, 74, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content .badge-custom {
            margin-bottom: 1rem;
        }
        .hero-content h1 {
            font-size: 3rem;
            margin-bottom: 1.25rem;
            color: var(--primary);
            line-height: 1.15;
        }
        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 520px;
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-card-stack {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 2rem 2.5rem;
            width: 100%;
            max-width: 440px;
            border: 1px solid var(--border-light);
            position: relative;
        }
        .hero-card-stack .stack-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .hero-card-stack .stack-item:last-child {
            border-bottom: none;
        }
        .stack-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .stack-icon.blue {
            background: var(--primary);
        }
        .stack-icon.gold {
            background: var(--secondary);
        }
        .stack-icon.coral {
            background: var(--accent);
        }
        .stack-icon.teal {
            background: #2a9d8f;
        }
        .stack-text strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-dark);
        }
        .stack-text span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ===== Stats ===== */
        .stats-banner {
            background: var(--primary);
            color: #fff;
            padding: 2.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            margin-bottom: 0.2rem;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            opacity: 0.75;
            color: var(--text-light);
        }

        /* ===== Section Spacing ===== */
        section {
            padding: 4.5rem 0;
        }
        section.bg-white {
            background: var(--bg-white);
        }
        section.bg-light {
            background: var(--bg-light);
        }
        section.bg-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        section.bg-dark .section-title,
        section.bg-dark h2,
        section.bg-dark h3 {
            color: #fff;
        }
        section.bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .card-custom .card-body {
            padding: 1.75rem;
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 1rem;
            background: var(--primary);
        }
        .card-custom .card-icon.gold {
            background: var(--secondary);
        }
        .card-custom .card-icon.coral {
            background: var(--accent);
        }
        .card-custom .card-icon.teal {
            background: #2a9d8f;
        }
        .card-custom .card-icon.indigo {
            background: #6366f1;
        }
        .card-custom h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .card-custom p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .card-custom .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .card-custom .card-link:hover {
            gap: 0.6rem;
        }

        /* ===== Grid helpers ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
        }

        /* ===== Content List ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .content-list-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 1.5rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .content-list-item:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .content-list-item .item-index {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            min-width: 40px;
            line-height: 1.2;
        }
        .content-list-item .item-content h4 {
            font-size: 1.05rem;
            margin-bottom: 0.25rem;
        }
        .content-list-item .item-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-dark);
            padding: 0.25rem 0;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-toggle {
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 1rem;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 4rem 0;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 1.75rem;
        }
        .cta-section .btn {
            background: var(--secondary);
            color: var(--primary-dark);
            border-color: var(--secondary);
            font-weight: 700;
        }
        .cta-section .btn:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer .logo {
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .site-footer .logo .logo-icon {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-top: 0.5rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-col ul li a i {
            margin-right: 0.4rem;
            width: 1rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding: 1rem 0;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
            font-size: 0.88rem;
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .separator {
            color: var(--border-medium);
            margin: 0 0.4rem;
        }
        .breadcrumb-bar .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== Category Specific ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .timeline-line {
            position: relative;
            padding-left: 2rem;
        }
        .timeline-line::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-light);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 2rem;
            padding-left: 1rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.8rem;
            top: 0.4rem;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--secondary);
            border: 3px solid var(--bg-light);
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            margin-bottom: 0.2rem;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Mobile ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content p {
                margin: 0 auto 2rem;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-card-stack {
                max-width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.85rem;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }

            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 1rem 1.5rem 1.5rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.35s ease;
                gap: 0.25rem;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                z-index: 999;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-main a.active::after {
                bottom: 0;
                left: 1rem;
                right: 1rem;
                height: 2px;
            }
            .nav-main a.nav-cta {
                margin-left: 0;
                margin-top: 0.5rem;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }

            .hero-section {
                padding: 3rem 0 2.5rem;
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .hero-content p {
                font-size: 1rem;
            }

            section {
                padding: 3rem 0;
            }

            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }

            .content-list-item {
                flex-direction: column;
                padding: 1rem 1.25rem;
            }
            .content-list-item .item-index {
                font-size: 1.2rem;
                min-width: auto;
            }

            .timeline-line {
                padding-left: 1.5rem;
            }
            .timeline-item::before {
                left: -1.3rem;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }

            .hero-card-stack {
                padding: 1.5rem;
            }
            .hero-card-stack .stack-item {
                padding: 0.7rem 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .btn-lg {
                padding: 0.75rem 1.5rem;
                font-size: 0.95rem;
            }
            .badge-custom {
                font-size: 0.72rem;
                padding: 0.2rem 0.8rem;
            }
            .card-custom .card-body {
                padding: 1.25rem;
            }
        }

        /* ===== Accessibility ===== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Print ===== */
        @media print {
            .site-header {
                position: static;
                box-shadow: none;
            }
            .nav-toggle {
                display: none !important;
            }
            .hero-section::before,
            .hero-section::after {
                display: none;
            }
            .card-custom:hover {
                transform: none;
                box-shadow: var(--shadow-sm);
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4a7a;
            --secondary: #c8a45c;
            --secondary-light: #e0c07a;
            --accent: #d4a843;
            --bg-body: #f8f7f4;
            --bg-card: #ffffff;
            --bg-section-alt: #f0ede8;
            --bg-dark: #121e2e;
            --text-body: #2c2c2c;
            --text-light: #6b6b6b;
            --text-muted: #8a8a8a;
            --text-white: #f5f3ef;
            --border-color: #e2ddd6;
            --border-light: #f0ece6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, .06);
        }
        .site-header>.container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -.02em;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: .82;
            color: var(--primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-weight: 800;
            font-size: 1.15rem;
            flex-shrink: 0;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            position: relative;
            padding: 6px 18px;
            font-size: .92rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .nav-main a:hover {
            color: var(--primary);
            background: rgba(26, 42, 74, .04);
        }
        .nav-main a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 3px;
        }
        .nav-main a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: .88rem;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: .01em;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .nav-main a.nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(26, 42, 74, .2);
            color: #fff;
        }
        .nav-main a.nav-cta i {
            font-size: .82rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 4px 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(26, 42, 74, .05);
        }
        @media (max-width: 868px) {
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, .98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: transform .35s ease, opacity .3s ease;
                box-shadow: 0 12px 32px rgba(0, 0, 0, .06);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                max-height: calc(100vh - var(--header-height) - 8px);
                overflow-y: auto;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                padding: 10px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-main a.active::after {
                bottom: 4px;
                width: 24px;
            }
            .nav-main a.nav-cta {
                justify-content: center;
                margin-top: 8px;
                padding: 12px 22px;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            padding: 60px 0 56px;
            background: linear-gradient(145deg, var(--primary) 0%, #0d1a2a 100%);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(200, 164, 92, .12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 164, 92, .06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }
        .page-hero .breadcrumb-wrap {
            display: flex;
            justify-content: center;
            gap: 8px 16px;
            flex-wrap: wrap;
            font-size: .85rem;
            color: rgba(245, 243, 239, .7);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb-wrap a {
            color: rgba(245, 243, 239, .8);
            transition: color var(--transition);
        }
        .page-hero .breadcrumb-wrap a:hover {
            color: var(--secondary-light);
        }
        .page-hero .breadcrumb-wrap span {
            color: var(--secondary-light);
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -.03em;
            line-height: 1.2;
            margin: 0 0 16px;
        }
        .page-hero h1 .highlight {
            color: var(--secondary-light);
        }
        .page-hero p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: rgba(245, 243, 239, .85);
            max-width: 680px;
            margin: 0 auto 8px;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary-light);
            display: block;
            line-height: 1.2;
        }
        .hero-stats .stat-item .label {
            font-size: .82rem;
            color: rgba(245, 243, 239, .7);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: .95rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stats .stat-item .num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .page-hero {
                padding: 40px 0 44px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .hero-stats {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -.02em;
            margin: 0 0 8px;
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 40px;
            text-align: center;
        }
        .section-title-center {
            text-align: center;
        }
        .section-title-center .section-title {
            color: var(--primary);
        }
        .section-title-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-dark .section-subtitle {
            color: rgba(245, 243, 239, .7);
        }
        .title-decor {
            display: inline-block;
            width: 40px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
            margin-bottom: 12px;
        }
        .title-decor.center {
            display: block;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: .9rem;
                margin-bottom: 28px;
            }
        }

        /* ===== Cards ===== */
        .card {
            border: none;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-body {
            padding: 28px 24px;
        }
        .card .card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 42, 74, .06);
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            transition: background var(--transition), color var(--transition);
        }
        .card:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }
        .card h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .card p {
            font-size: .9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
        }
        .card .badge-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 14px;
        }
        .card .badge-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: .75rem;
            font-weight: 500;
            color: var(--primary);
            background: rgba(26, 42, 74, .06);
            border-radius: 30px;
            letter-spacing: .01em;
        }
        .card .badge-tag.copper {
            background: rgba(200, 164, 92, .15);
            color: var(--secondary);
        }

        /* ===== Buttons ===== */
        .btn {
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: .92rem;
            transition: all var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 42, 74, .2);
            color: #fff;
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 164, 92, .3);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .18);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, .2);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 6px 18px;
            font-size: .82rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* ===== Tags / Badges ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .tag-list li {
            display: inline;
        }
        .tag-list a {
            display: inline-block;
            padding: 4px 16px;
            font-size: .8rem;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            transition: all var(--transition);
        }
        .tag-list a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        /* ===== Domain Cards Grid ===== */
        .domain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 992px) {
            .domain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .domain-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== Case Cards ===== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .case-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            border-left: 4px solid var(--secondary);
            height: 100%;
        }
        .case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .case-card .case-meta {
            font-size: .78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
            margin-bottom: 8px;
        }
        .case-card .case-meta .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--border-color);
            display: inline-block;
        }
        .case-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .case-card p {
            font-size: .88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0 0 12px;
        }
        .case-card .case-tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: .72rem;
            font-weight: 500;
            background: rgba(200, 164, 92, .12);
            color: var(--secondary);
            border-radius: 30px;
        }

        /* ===== Process Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            position: relative;
            counter-increment: step;
        }
        .process-step::before {
            content: counter(step);
            display: block;
            width: 44px;
            height: 44px;
            line-height: 44px;
            background: var(--secondary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            border-radius: 50%;
            margin: 0 auto 12px;
        }
        .process-step h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: .85rem;
            color: var(--text-light);
            margin: 0;
            line-height: 1.5;
        }
        .process-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            top: 10px;
            right: -18px;
            font-size: 1.4rem;
            color: var(--border-color);
            font-weight: 300;
        }
        @media (max-width: 992px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step:nth-child(2)::after {
                display: none;
            }
        }
        @media (max-width: 576px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-step::after {
                display: none !important;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            background: none;
            border: none;
            padding: 4px 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--secondary);
            transition: transform var(--transition);
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 8px 0 4px;
            font-size: .9rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-answer p {
            margin: 0 0 8px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(145deg, var(--primary) 0%, #0d1a2a 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 164, 92, .08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: -.02em;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, .78);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 576px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: .9rem;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(245, 243, 239, .8);
            padding: 56px 0 0;
        }
        .site-footer .container {
            max-width: var(--container-max);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand .logo .logo-icon {
            background: var(--secondary);
            color: var(--primary);
        }
        .footer-brand p {
            font-size: .85rem;
            line-height: 1.7;
            color: rgba(245, 243, 239, .6);
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: .92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: .02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: .85rem;
            color: rgba(245, 243, 239, .65);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--secondary-light);
        }
        .footer-col ul li a i {
            font-size: .78rem;
            width: 16px;
            text-align: center;
            color: var(--secondary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0 28px;
            font-size: .8rem;
            color: rgba(245, 243, 239, .45);
        }
        .footer-bottom a {
            color: rgba(245, 243, 239, .65);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--secondary-light);
        }
        @media (max-width: 868px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Additional Utilities ===== */
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .fw-700 {
            font-weight: 700;
        }

        /* ===== Bootstrap Overrides ===== */
        .btn {
            border-radius: 30px !important;
        }
        .card {
            border: none !important;
        }
        .container {
            max-width: var(--container-max) !important;
        }
        .row {
            --bs-gutter-x: 24px;
        }
        @media (max-width: 576px) {
            .row {
                --bs-gutter-x: 16px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }