/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0c1b33;
            --primary-light: #1a2d4a;
            --primary-dark: #070f1e;
            --secondary: #c9a84c;
            --secondary-light: #e8d07a;
            --secondary-dark: #a8882e;
            --accent: #d4a843;
            --bg: #faf8f5;
            --bg-alt: #f0ede8;
            --bg-dark: #0a1628;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --text-white: #ffffff;
            --border: #e5e0d8;
            --border-light: #f0ece6;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(12, 27, 51, 0.07);
            --shadow-hover: 0 12px 40px rgba(12, 27, 51, 0.13);
            --shadow-lg: 0 24px 60px rgba(12, 27, 51, 0.10);
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 72px;
            --container-max: 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);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

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

        /* ===== Typography ===== */
        .heading-xl {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .heading-lg {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .heading-md {
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.4;
        }
        .heading-sm {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.5;
        }

        .text-body {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
        }
        .text-small {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 2.5rem auto;
        }

        .gold-text {
            color: var(--secondary);
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary-custom {
            background: var(--secondary);
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(201, 168, 76, 0.35);
        }
        .btn-primary-custom:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 168, 76, 0.30);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.6);
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-white);
            border-color: var(--text-white);
            transform: translateY(-2px);
        }

        .btn-dark-custom {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(12, 27, 51, 0.20);
        }
        .btn-dark-custom:hover {
            background: var(--primary-light);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(12, 27, 51, 0.30);
        }

        .btn-gold-outline {
            background: transparent;
            color: var(--secondary);
            border: 2px solid var(--secondary);
        }
        .btn-gold-outline:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(12, 27, 51, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--secondary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--secondary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-weight: 900;
            font-size: 1.2rem;
        }

        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.06);
            padding: 4px;
            border-radius: var(--radius-sm);
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-tab:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-tab.active {
            color: var(--primary-dark);
            background: var(--secondary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(201, 168, 76, 0.30);
        }
        .nav-tab.active:hover {
            color: var(--primary-dark);
            background: var(--secondary-light);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--secondary);
            color: var(--primary-dark);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
            margin-left: 12px;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Mobile nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1060;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            display: block;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: var(--primary-dark);
            z-index: 1070;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 24px 20px;
            box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-panel .close-btn {
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.5rem;
            cursor: pointer;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .mobile-nav-panel .close-btn:hover {
            color: var(--text-white);
        }
        .mobile-nav-panel .nav-item {
            display: block;
            padding: 14px 12px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .mobile-nav-panel .nav-item:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav-panel .nav-item.active {
            color: var(--secondary);
            background: rgba(201, 168, 76, 0.10);
        }
        .mobile-nav-panel .nav-cta-mobile {
            display: block;
            margin-top: 20px;
            padding: 14px;
            background: var(--secondary);
            color: var(--primary-dark);
            text-align: center;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
        }
        .mobile-nav-panel .nav-cta-mobile:hover {
            background: var(--secondary-light);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.45;
            transform: scale(1.04);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg {
            transform: scale(1.00);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 27, 51, 0.88) 0%, rgba(10, 22, 40, 0.72) 60%, rgba(12, 27, 51, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 40px 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            background: rgba(201, 168, 76, 0.18);
            border: 1px solid rgba(201, 168, 76, 0.30);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--secondary-light);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 3.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.20);
        }
        .hero-title .highlight {
            color: var(--secondary);
        }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 620px;
            margin: 0 auto 36px auto;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }

        .bg-alt-section {
            background: var(--bg-alt);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .bg-white-section {
            background: #ffffff;
        }

        /* ===== Card ===== */
        .card-custom {
            background: #ffffff;
            border: none;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-custom .card-body {
            padding: 28px 24px;
        }
        .card-custom .card-img-top {
            border-radius: var(--radius) var(--radius) 0 0;
            object-fit: cover;
            height: 200px;
            width: 100%;
        }
        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .card-custom .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 2px 12px;
            background: rgba(201, 168, 76, 0.12);
            color: var(--secondary-dark);
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* ===== Feature/Icon Cards ===== */
        .feature-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: var(--secondary);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px auto;
            background: rgba(201, 168, 76, 0.10);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: scale(1.05);
        }
        .feature-card .feature-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .feature-card .feature-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Badge / Tag ===== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(201, 168, 76, 0.12);
            color: var(--secondary-dark);
        }
        .badge-primary {
            background: var(--primary);
            color: var(--text-white);
        }
        .badge-gold {
            background: var(--secondary);
            color: var(--primary-dark);
        }

        /* ===== Step / Timeline ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            box-shadow: 0 2px 12px rgba(12, 27, 51, 0.04);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--secondary);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            color: var(--primary);
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--secondary-dark);
        }
        .faq-question .icon {
            font-size: 1.2rem;
            color: var(--secondary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px 18px 24px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 24px;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px auto;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 48px 0 28px 0;
        }
        .site-footer .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.50);
            max-width: 320px;
            line-height: 1.7;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin-top: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary);
        }
        .site-footer .footer-divider {
            border-color: rgba(255, 255, 255, 0.06);
            margin: 28px 0 18px 0;
        }
        .site-footer .footer-copyright {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }
        .site-footer .footer-copyright a {
            color: rgba(255, 255, 255, 0.40);
        }
        .site-footer .footer-copyright a:hover {
            color: var(--secondary);
        }

        /* ===== News List (CMS) ===== */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-item .news-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--bg-alt);
        }
        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-title a {
            color: var(--primary);
        }
        .news-item .news-title a:hover {
            color: var(--secondary);
        }
        .news-item .news-summary {
            font-size: 0.88rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }
        .news-item .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 6px;
        }
        .news-item .news-meta .category-tag {
            padding: 1px 10px;
            background: rgba(201, 168, 76, 0.10);
            color: var(--secondary-dark);
            border-radius: 12px;
            font-size: 0.72rem;
        }
        .empty-news {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ===== Misc ===== */
        .divider-gold {
            width: 60px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
            margin: 12px auto 20px auto;
        }
        .divider-gold-left {
            width: 48px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
            margin: 8px 0 16px 0;
        }

        .text-center .divider-gold-left {
            margin: 8px auto 16px auto;
        }

        /* ===== Category Tags ===== */
        .category-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 20px;
        }
        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(12, 27, 51, 0.03);
        }
        .category-chip:hover {
            border-color: var(--secondary);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.18);
            transform: translateY(-2px);
        }
        .category-chip .chip-icon {
            color: var(--secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .heading-xl {
                font-size: 2.4rem;
            }
            .heading-lg {
                font-size: 1.8rem;
            }
            .hero-title {
                font-size: 2.6rem;
            }
            .hero-desc {
                font-size: 1.05rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .nav-tabs-wrap {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .news-item .news-thumb {
                width: 90px;
                height: 64px;
            }
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .heading-xl {
                font-size: 1.8rem;
            }
            .heading-lg {
                font-size: 1.4rem;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }
            .hero {
                min-height: 70vh;
            }
            .hero-stats {
                gap: 16px;
                margin-top: 32px;
                padding-top: 20px;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .hero-stat-label {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
                margin-bottom: 1.8rem;
            }
            .btn-custom {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .feature-card {
                padding: 24px 18px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .cta-content {
                padding: 40px 16px;
            }
            .cta-content h2 {
                font-size: 1.3rem;
            }
            .site-footer {
                padding: 32px 0 20px 0;
            }
            .category-chip {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .step-item {
                gap: 14px;
                padding: 16px 0;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .container-custom {
                padding: 0 12px;
            }
            .feature-card {
                padding: 18px 14px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px 14px 16px;
                font-size: 0.85rem;
            }
            .news-item .news-thumb {
                height: 100px;
            }
            .card-custom .card-body {
                padding: 18px 16px;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .nav-tab:focus-visible,
        .btn-custom:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }

        /* ===== Bootstrap Overrides ===== */
        .accordion-button:not(.collapsed) {
            background: rgba(201, 168, 76, 0.06);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.20);
            border-color: var(--secondary);
        }
        .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm) !important;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .accordion-button::after {
            background-size: 1rem;
            filter: brightness(0.6) sepia(1) hue-rotate(5deg) saturate(2);
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(12, 27, 51, 0.20);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 999;
            opacity: 0;
            pointer-events: none;
        }
        .back-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-top:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.30);
        }

/* roulang page: article */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c88a20;
            --bg-body: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.92);
            box-shadow: 0 1px 4px rgba(0,0,0,0.02);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.3px;
        }
        .logo-wrap:hover { color: var(--primary-light); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .nav-tabs-wrap {
            display: flex;
            gap: 4px;
            background: var(--bg-body);
            padding: 4px;
            border-radius: var(--radius);
            flex-wrap: wrap;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-tab i { font-size: 0.85rem; }
        .nav-tab:hover {
            background: var(--bg-card);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .nav-tab.active {
            background: var(--bg-card);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
            font-weight: 600;
        }
        .nav-tab.active::after {
            content: '';
            display: block;
            height: 2px;
            width: 20px;
            background: var(--accent);
            border-radius: 2px;
            margin: 0 auto;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-toggle:hover { background: var(--bg-body); }

        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-tabs-wrap {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 12px 16px;
                border-radius: 0 0 var(--radius) var(--radius);
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-color);
                gap: 6px;
            }
            .nav-tabs-wrap.open { display: flex; }
            .nav-tab {
                padding: 10px 16px;
                width: 100%;
                justify-content: flex-start;
            }
            .nav-tab.active::after { display: none; }
            .nav-tab.active { background: var(--bg-body); }
        }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 60px 0 48px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .article-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .article-breadcrumb a:hover { color: var(--accent); }
        .article-breadcrumb .sep { color: rgba(255,255,255,0.3); }
        .article-banner-title {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            max-width: 800px;
        }
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            align-items: center;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .article-meta-bar .badge-cat {
            display: inline-block;
            padding: 4px 14px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .article-meta-bar i { margin-right: 6px; opacity: 0.7; }

        /* ===== 文章主体 ===== */
        .article-main-wrap {
            padding: 48px 0 64px;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 48px;
        }
        .article-content .content-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-content .content-body p {
            margin-bottom: 1.2em;
        }
        .article-content .content-body img {
            max-width: 100%;
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content .content-body h2,
        .article-content .content-body h3 {
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            font-weight: 600;
            color: var(--primary);
        }
        .article-content .content-body h2 { font-size: 1.5rem; }
        .article-content .content-body h3 { font-size: 1.2rem; }
        .article-content .content-body ul,
        .article-content .content-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.2em;
        }
        .article-content .content-body li { margin-bottom: 0.4em; }
        .article-content .content-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 20px 0;
            background: #f8f5f0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content .content-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content .content-body a:hover { color: var(--accent-dark); }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--text-light);
            margin-bottom: 16px;
            display: block;
        }
        .article-not-found h2 {
            font-size: 1.6rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-back-home:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        /* ===== 文章侧边信息 ===== */
        .article-sidebar {
            margin-top: 32px;
        }
        .article-info-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 28px;
        }
        .article-info-card .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }
        .article-info-card .info-item:last-child { border-bottom: none; }
        .article-info-card .info-item i {
            width: 20px;
            color: var(--accent);
            font-size: 1rem;
        }
        .article-info-card .info-label {
            color: var(--text-light);
            min-width: 70px;
        }
        .article-info-card .info-value {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 48px 0 64px;
            background: var(--bg-body);
        }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i {
            color: var(--accent);
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            text-decoration: none;
            color: inherit;
            display: block;
            height: 100%;
            border: 1px solid var(--border-color);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 20px 20px 22px;
        }
        .related-card-body .related-cat {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(232,168,56,0.10);
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 8px;
        }
        .related-card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .related-card-body .related-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 10px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            font-size: 1.2rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.5);
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--accent); }
        .footer-divider {
            border-color: rgba(255,255,255,0.08);
            margin: 24px 0 20px;
        }
        .footer-copyright {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.35);
            text-align: center;
        }
        .footer-copyright a {
            color: rgba(255,255,255,0.4);
            text-decoration: none;
        }
        .footer-copyright a:hover { color: var(--accent); }

        /* ===== 响应式调整 ===== */
        @media (max-width: 768px) {
            .article-banner { padding: 40px 0 32px; }
            .article-content { padding: 24px 20px; }
            .article-content .content-body { font-size: 1rem; }
            .article-meta-bar { gap: 10px 16px; font-size: 0.85rem; }
            .related-card-img { height: 150px; }
            .header-inner { height: 60px; }
        }
        @media (max-width: 520px) {
            .article-banner-title { font-size: 1.3rem; }
            .article-content { padding: 18px 14px; border-radius: var(--radius-sm); }
            .article-info-card { padding: 18px 16px; }
            .related-card-img { height: 130px; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --accent: #c0392b;
            --bg-body: #f5f7fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a3a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #f0f0f8;
            --border-color: rgba(26, 42, 108, 0.12);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 16px 50px rgba(26, 42, 108, 0.14);
            --shadow-hover: 0 20px 60px rgba(26, 42, 108, 0.20);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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;
            font-size: 1rem;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 12px rgba(26, 42, 108, 0.04);
            transition: var(--transition);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.3px;
            transition: var(--transition);
            gap: 10px;
        }
        .logo-link:hover {
            color: var(--primary-light);
            transform: scale(1.01);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 100px;
            transition: var(--transition);
            border: 1px solid transparent;
            background: transparent;
            white-space: nowrap;
        }
        .nav-tab i {
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
            border-color: rgba(26, 42, 108, 0.10);
            transform: translateY(-1px);
        }
        .nav-tab.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(26, 42, 108, 0.25);
        }
        .nav-tab.active i {
            opacity: 1;
        }
        .nav-tab:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-cta-mobile {
            display: none;
        }

        /* 移动端导航 */
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: rgba(26, 42, 108, 0.06);
        }
        @media (max-width: 768px) {
            .navbar-toggler-custom {
                display: block;
            }
            .nav-tabs-wrap {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                align-items: stretch;
            }
            .nav-tabs-wrap.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-tab {
                justify-content: center;
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-cta-mobile {
                display: block;
                margin-top: 8px;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 74, 0.88) 0%, rgba(26, 42, 108, 0.70) 100%);
            z-index: 1;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-banner p {
            font-size: 1.15rem;
            opacity: 0.88;
            max-width: 680px;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .page-banner .badge-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .page-banner .badge-wrap .badge {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 6px 16px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 0.82rem;
            border: 1px solid rgba(255, 255, 255, 0.10);
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 48px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }
        @media (max-width: 576px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        @media (max-width: 576px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(26, 42, 108, 0.20);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .card-custom .card-body {
            padding: 24px 20px 20px;
        }
        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .card-custom .card-meta i {
            margin-right: 4px;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: 100px;
            background: rgba(26, 42, 108, 0.07);
            color: var(--primary);
            border: 1px solid rgba(26, 42, 108, 0.10);
            transition: var(--transition);
        }
        .badge-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .badge-secondary {
            background: var(--secondary);
            color: #1a1a2e;
            border-color: transparent;
        }
        .badge-secondary:hover {
            background: var(--secondary-light);
            color: #1a1a2e;
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 100px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            justify-content: center;
            text-decoration: none;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 42, 108, 0.25);
        }
        .btn-primary-custom:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 42, 108, 0.30);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(26, 42, 108, 0.20);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 42, 108, 0.15);
        }
        .btn-secondary-custom {
            background: var(--secondary);
            color: #1a1a2e;
            box-shadow: 0 4px 14px rgba(232, 168, 56, 0.30);
        }
        .btn-secondary-custom:hover {
            background: var(--secondary-light);
            color: #1a1a2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 168, 56, 0.35);
        }

        /* ===== 统计数字块 ===== */
        .stat-block {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-block:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        /* ===== 图文区块 ===== */
        .media-block {
            display: flex;
            align-items: center;
            gap: 48px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .media-block.reverse {
            flex-direction: row-reverse;
        }
        .media-block .media-image {
            flex: 0 0 44%;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .media-block .media-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: var(--transition);
        }
        .media-block .media-image img:hover {
            transform: scale(1.03);
        }
        .media-block .media-content {
            flex: 1;
        }
        .media-block .media-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .media-block .media-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        @media (max-width: 992px) {
            .media-block {
                flex-direction: column !important;
                padding: 32px 28px;
                gap: 28px;
            }
            .media-block .media-image {
                flex: 0 0 100%;
                width: 100%;
            }
            .media-block .media-image img {
                height: 220px;
            }
            .media-block .media-content h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 576px) {
            .media-block {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
            .media-block .media-image img {
                height: 180px;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(26, 42, 108, 0.20);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            margin-top: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0;
            color: #fff;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 74, 0.90) 0%, rgba(26, 42, 108, 0.75) 100%);
            z-index: 1;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.88;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-custom {
            font-size: 1.05rem;
            padding: 14px 40px;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 56px 0 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
            line-height: 1.7;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .footer-divider {
            border-color: rgba(255, 255, 255, 0.08);
            margin: 24px 0 20px;
            opacity: 1;
        }
        .footer-copyright {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }
        .footer-copyright a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
        }
        .footer-copyright a:hover {
            color: #fff;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom span {
            color: var(--text-secondary);
        }
        .breadcrumb-custom .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* ===== 辅助 ===== */
        .text-primary-custom {
            color: var(--primary);
        }
        .bg-light-custom {
            background: #f0f2f8;
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }
        .shadow-custom {
            box-shadow: var(--shadow-sm);
        }
        .mb-section {
            margin-bottom: 80px;
        }
        @media (max-width: 768px) {
            .mb-section {
                margin-bottom: 56px;
            }
        }

        /* ===== 列表样式 ===== */
        .list-check {
            list-style: none;
            padding: 0;
        }
        .list-check li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .list-check li i {
            color: var(--secondary);
            font-size: 0.9rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .stat-number {
                font-size: 2rem;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== 内容列表 ===== */
        .list-group-custom {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .list-group-item-custom {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            transition: var(--transition);
            cursor: default;
        }
        .list-group-item-custom:hover {
            border-color: rgba(26, 42, 108, 0.18);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .list-group-item-custom .item-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 42, 108, 0.06);
            border-radius: 10px;
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .list-group-item-custom .item-content {
            flex: 1;
        }
        .list-group-item-custom .item-content .item-title {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary);
        }
        .list-group-item-custom .item-content .item-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .list-group-item-custom .item-badge {
            flex-shrink: 0;
        }

        /* 流程步骤 */
        .step-wrap {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .step-item {
            flex: 1 1 180px;
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .step-wrap {
                gap: 16px;
            }
            .step-item {
                flex: 1 1 140px;
                padding: 20px 12px;
            }
        }
        @media (max-width: 576px) {
            .step-item {
                flex: 0 0 100%;
            }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #2A3F8E;
            --primary-light: #3A5BBF;
            --primary-dark: #1A2B6E;
            --secondary: #E85D3A;
            --secondary-light: #F07A5A;
            --accent: #F5C542;
            --bg-body: #F8F9FC;
            --bg-white: #FFFFFF;
            --bg-light: #EEF0F7;
            --bg-dark: #1A1E2E;
            --text-dark: #1E2235;
            --text-body: #3D4260;
            --text-light: #7A7F99;
            --text-white: #FFFFFF;
            --border-color: #E4E7F0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(42, 63, 142, 0.06);
            --shadow-md: 0 6px 24px rgba(42, 63, 142, 0.10);
            --shadow-lg: 0 16px 48px rgba(42, 63, 142, 0.14);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

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

        /* ===== Header / Navigation (分段标签导航风格) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1070;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(228, 231, 240, 0.6);
            box-shadow: 0 1px 12px rgba(42, 63, 142, 0.04);
            transition: background var(--transition);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }

        /* 分段标签导航 */
        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-light);
            padding: 4px;
            border-radius: var(--radius-md);
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs-wrap::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            background: transparent;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition);
            text-decoration: none;
        }
        .nav-tab i {
            font-size: 0.85rem;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(42, 63, 142, 0.06);
        }
        .nav-tab.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 2px 10px rgba(42, 63, 142, 0.25);
        }
        .nav-tab.active:hover {
            color: var(--text-white);
            background: var(--primary-light);
        }

        /* 移动端菜单切换 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-light);
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-tabs-wrap {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: var(--bg-white);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 8px;
                border: 1px solid var(--border-color);
                gap: 2px;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-tabs-wrap.is-open {
                display: flex;
            }
            .nav-tab {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .site-header .container-custom {
                position: relative;
            }
        }

        /* ===== Hero / 分类横幅 ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--bg-body);
            border-radius: 50% 50% 0 0 / 30px 30px 0 0;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .category-hero h1 span {
            color: var(--accent);
        }
        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stat-item {
            text-align: center;
            color: var(--text-white);
        }
        .category-hero .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.2;
        }
        .category-hero .hero-stat-item .label {
            font-size: 0.85rem;
            opacity: 0.75;
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 60px 0 50px;
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stat-item .num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stat-item .num {
                font-size: 1.3rem;
            }
        }

        /* ===== Section通用 ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-block .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 580px;
            margin-bottom: 40px;
        }
        .section-block .section-header {
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-block .section-title {
                font-size: 1.5rem;
            }
        }

        /* ===== 活动卡片 ===== */
        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(42, 63, 142, 0.15);
        }
        .event-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
            flex-shrink: 0;
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .event-card .card-img-wrap .event-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(232, 93, 58, 0.3);
        }
        .event-card .card-img-wrap .event-date-badge {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(26, 30, 46, 0.8);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .event-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body .event-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .card-body .event-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .event-card .card-body .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: auto;
        }
        .event-card .card-body .event-meta .event-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
        }
        .event-card .card-body .event-meta .event-btn:hover {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .event-card .card-img-wrap {
                height: 170px;
            }
            .event-card .card-body {
                padding: 16px 18px 18px;
            }
            .event-card .card-body .event-title {
                font-size: 1rem;
            }
        }

        /* ===== 时间轴 / 活动日程 ===== */
        .timeline-section {
            background: var(--bg-white);
        }
        .timeline-wrap {
            position: relative;
            padding-left: 40px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            border-radius: 4px;
            opacity: 0.3;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 36px 30px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 3px rgba(42, 63, 142, 0.15);
        }
        .timeline-item .tl-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }
        .timeline-item .tl-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .timeline-wrap {
                padding-left: 24px;
            }
            .timeline-item {
                padding: 0 0 28px 20px;
            }
            .timeline-item::before {
                left: -20px;
                width: 12px;
                height: 12px;
            }
        }

        /* ===== 特色亮点 ===== */
        .feature-grid .feature-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            height: 100%;
        }
        .feature-grid .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(42, 63, 142, 0.12);
        }
        .feature-grid .feature-item .f-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            font-size: 1.5rem;
            color: var(--primary);
            transition: background var(--transition);
        }
        .feature-grid .feature-item:hover .f-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-grid .feature-item .f-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .feature-grid .feature-item .f-desc {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            background: var(--bg-white);
            padding: 16px 20px;
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(42, 63, 142, 0.03);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .faq-accordion .accordion-body {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-block .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 40px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--text-white);
            border: none;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
            transition: all var(--transition);
            text-decoration: none;
        }
        .cta-block .btn-cta:hover {
            background: var(--accent);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 50px 0;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .cta-block .btn-cta {
                padding: 12px 32px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer (共享) ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 360px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            margin-top: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-links a:hover {
            color: var(--text-white);
        }
        .site-footer .footer-divider {
            border-color: rgba(255, 255, 255, 0.08);
            margin: 24px 0 18px;
        }
        .site-footer .footer-copyright {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
        }
        .site-footer .footer-copyright a {
            color: rgba(255, 255, 255, 0.35);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .site-footer .footer-copyright a:hover {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 36px 0 20px;
            }
            .site-footer .footer-desc {
                max-width: 100%;
            }
            .site-footer .footer-links {
                gap: 8px 16px;
            }
        }

        /* ===== 辅助类 ===== */
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .bg-light-custom {
            background: var(--bg-light) !important;
        }
        .mb-section {
            margin-bottom: 60px;
        }
        @media (max-width: 768px) {
            .mb-section {
                margin-bottom: 40px;
            }
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .timeline-wrap {
                padding-left: 16px;
            }
            .timeline-item {
                padding: 0 0 24px 16px;
            }
            .timeline-item::before {
                left: -14px;
                width: 10px;
                height: 10px;
            }
        }