/* roulang page: index */
:root {
            --primary: #4f46e5;
            --primary-light: #6366f1;
            --accent: #f59e0b;
            --dark: #0f172a;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --bg: #f8fafc;
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --shadow-soft: 0 4px 24px rgba(15, 23, 42, 0.06);
            --shadow-card: 0 8px 32px rgba(15, 23, 42, 0.08);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
            line-height: 1.6;
            background: var(--bg);
            color: var(--text);
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            cursor: pointer;
        }
        .container-custom {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        @media (min-width: 640px) {
            .container-custom {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 2rem;
            }
        }
        /* ===== Header / Nav ===== */
        #siteHeader {
            transition: all 0.4s ease;
        }
        #siteHeader.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            padding: 0.5rem 0.25rem;
            transition: color 0.25s;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.625rem 1.25rem;
            border-radius: 9999px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.4);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(8px);
            border: 1.5px solid rgba(226, 232, 240, 0.9);
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.625rem 1.25rem;
            border-radius: 9999px;
            transition: all 0.3s ease;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
        }
        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 0.75rem;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.6);
            color: var(--text);
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .mobile-menu-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--border);
            padding: 1rem 1.5rem 1.5rem;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0.5rem;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid #f1f5f9;
            transition: color 0.2s, padding-left 0.2s;
        }
        .mobile-menu a:hover {
            color: var(--primary);
            padding-left: 1rem;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.62) 45%, rgba(79, 70, 229, 0.25) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(10px);
            color: #f8fafc;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.4rem 1rem;
            border-radius: 9999px;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: 2.6rem;
            line-height: 1.15;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-desc {
            color: rgba(248, 250, 252, 0.85);
            font-size: 1.08rem;
            line-height: 1.8;
            max-width: 36rem;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            max-width: 480px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 0.9rem;
            padding: 1rem 0.75rem;
            text-align: center;
        }
        .hero-stat .num {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
        }
        .hero-stat .label {
            font-size: 0.75rem;
            color: rgba(248, 250, 252, 0.7);
            margin-top: 0.1rem;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        /* ===== Section spacing ===== */
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3.5rem 0;
            }
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #eef2ff;
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 9999px;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.4rem;
            }
        }
        .section-sub {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.7;
        }
        /* ===== Cards ===== */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-soft);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
            border-color: #c7d2fe;
        }
        .feature-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            background: #eef2ff;
            transition: all 0.3s;
        }
        .feature-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }
        /* ===== Category ===== */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            box-shadow: var(--shadow-soft);
        }
        .category-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
        }
        .category-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover img {
            transform: scale(1.04);
        }
        .category-card .card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.72) 0%, transparent 60%);
        }
        .category-card .card-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem;
            color: #fff;
        }
        .category-card .card-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        .category-card .card-content p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
        }
        /* ===== News cards ===== */
        .news-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-soft);
            transition: all 0.35s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
        }
        .news-card .card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .news-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .news-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .card-category {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(79, 70, 229, 0.92);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            backdrop-filter: blur(4px);
        }
        .news-card .card-body {
            padding: 1.25rem 1.25rem 1.1rem;
        }
        .news-card .card-body h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 0.4rem;
            transition: color 0.2s;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover .card-body h3 {
            color: var(--primary);
        }
        .news-card .card-body p {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.85rem;
            padding-top: 0.75rem;
            border-top: 1px solid #f1f5f9;
            font-size: 0.78rem;
            color: #94a3b8;
        }
        .card-meta .read-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.8rem;
        }
        /* ===== Steps ===== */
        .step-item {
            position: relative;
            padding: 1.75rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            transition: all 0.3s;
        }
        .step-item:hover {
            border-color: #c7d2fe;
            box-shadow: var(--shadow-card);
        }
        .step-number {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #6366f1, #4f46e5);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 0.85rem;
            margin-bottom: 1rem;
        }
        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 1rem;
            padding: 1.35rem 1.5rem;
            transition: all 0.3s;
        }
        .faq-item:hover {
            border-color: #c7d2fe;
            box-shadow: var(--shadow-soft);
        }
        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            color: var(--primary);
            font-size: 0.9rem;
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid #f1f5f9;
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item[open] {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.1);
        }
        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(49, 46, 129, 0.92), rgba(79, 70, 229, 0.78));
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        /* ===== Footer ===== */
        .footer {
            background: #0f172a;
            color: #94a3b8;
        }
        .footer a {
            transition: color 0.2s;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-link {
            color: #94a3b8;
            font-size: 0.9rem;
            line-height: 2;
        }
        .footer-link:hover {
            color: #e0e7ff;
        }
        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }
        /* ===== Tag cloud ===== */
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--muted);
            transition: all 0.25s;
        }
        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #eef2ff;
            transform: translateY(-2px);
        }
        .tag-item .tag-count {
            background: #f1f5f9;
            border-radius: 9999px;
            padding: 0.05rem 0.45rem;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--muted);
        }

/* roulang page: category1 */
:root {
            --brand: #0ea5e9;
            --brand-dark: #0369a1;
            --ink: #0f172a;
            --sub: #64748b;
            --bg: #f8fafc;
            --card-bg: #ffffff;
            --border: #e2e8f0;
            --radius: 20px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.10);
            --header-h: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        /* ============ 导航 ============ */
        #siteHeader {
            background: rgba(15, 23, 42, 0.40);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
        }

        #siteHeader .text-\[\#0f172a\] {
            color: rgba(255, 255, 255, 0.96) !important;
            transition: color 0.3s ease;
        }

        #siteHeader.scrolled .text-\[\#0f172a\] {
            color: #0f172a !important;
        }

        #siteHeader .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.94rem;
            font-weight: 500;
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        #siteHeader .nav-link:hover {
            color: #ffffff;
        }

        #siteHeader .nav-link.active {
            color: #ffffff;
            border-bottom-color: #38bdf8;
        }

        #siteHeader.scrolled {
            background: rgba(255, 255, 255, 0.90);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.70);
            box-shadow: 0 4px 24px rgba(2, 12, 27, 0.07);
        }

        #siteHeader.scrolled .nav-link {
            color: #334155;
        }

        #siteHeader.scrolled .nav-link:hover {
            color: #0284c7;
        }

        #siteHeader.scrolled .nav-link.active {
            color: #0284c7;
            border-bottom-color: #0284c7;
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #0ea5e9, #0369a1);
            color: #fff !important;
            padding: 0.6rem 1.4rem;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.875rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(14, 165, 233, 0.28);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(14, 165, 233, 0.38);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(14, 165, 233, 0.4);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.4rem;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.875rem;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(6px);
            transition: all 0.3s ease;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.20);
            border-color: rgba(255, 255, 255, 0.8);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.4rem;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.875rem;
            border: 1px solid #cbd5e1;
            color: #334155;
            background: #fff;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            border-color: #0ea5e9;
            color: #0284c7;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        /* ============ 移动端菜单 ============ */
        .mobile-menu {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: none;
            padding: 0.5rem 1.5rem 1.25rem;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.8rem 0;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color 0.2s;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover {
            color: #7dd3fc;
        }

        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 1.1rem;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        #siteHeader.scrolled .mobile-menu-btn {
            background: rgba(15, 23, 42, 0.06);
            border-color: rgba(15, 23, 42, 0.1);
            color: #0f172a;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(2, 6, 23, 0.92) 0%, rgba(2, 6, 23, 0.72) 45%, rgba(2, 6, 23, 0.35) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 120px;
            padding-bottom: 60px;
        }

        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            padding: 0.4rem 1rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: 1.5rem;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            transition: color 0.2s;
        }

        .breadcrumb a:hover {
            color: #7dd3fc;
        }

        .hero h1 {
            font-family: inherit;
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.15;
            max-width: 700px;
            margin-bottom: 1.2rem;
        }

        .hero p {
            color: rgba(255, 255, 255, 0.80);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 600px;
        }

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

        .section-alt {
            background: #fff;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            background: #e0f2fe;
            color: #0369a1;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #0f172a;
            line-height: 1.25;
        }

        .section-sub {
            color: #64748b;
            font-size: 1rem;
            max-width: 560px;
            margin: 0.75rem auto 0;
            line-height: 1.7;
        }

        .section-head-left {
            text-align: left;
        }

        .section-head-left .section-sub {
            margin-left: 0;
        }

        /* ============ 概述 ============ */
        .about-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .about-card:hover {
            box-shadow: var(--shadow-lg);
        }

        .about-img-wrap {
            position: relative;
            height: 100%;
            min-height: 320px;
        }

        .about-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .about-content {
            padding: 2.8rem;
        }

        .about-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
        }

        .about-content p {
            color: #475569;
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .feature-list li {
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
            margin-bottom: 0.65rem;
            color: #334155;
            font-size: 0.95rem;
        }

        .feature-list i {
            color: #0ea5e9;
            margin-top: 0.2rem;
        }

        /* ============ 指南卡片 ============ */
        .guide-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.8rem 1.6rem;
            border: 1px solid #eef2f7;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .guide-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #0ea5e9, #38bdf8);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: #e0f2fe;
        }

        .guide-card:hover::after {
            opacity: 1;
        }

        .guide-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, #e0f2fe, #bae6fd);
            color: #0369a1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 1.25rem;
            transition: all 0.3s ease;
        }

        .guide-card:hover .guide-icon {
            background: linear-gradient(135deg, #0ea5e9, #0369a1);
            color: #fff;
            box-shadow: 0 6px 16px rgba(14, 165, 233, 0.3);
        }

        .guide-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.55rem;
        }

        .guide-card p {
            color: #64748b;
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .guide-link {
            color: #0284c7;
            font-size: 0.875rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: gap 0.25s ease;
        }

        .guide-link:hover {
            gap: 0.6rem;
        }

        /* ============ 统计 ============ */
        .stats-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(14, 165, 233, 0.12);
            filter: blur(80px);
        }

        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.08);
            filter: blur(60px);
        }

        .stat-box {
            text-align: center;
            padding: 2rem 1rem;
            position: relative;
            z-index: 1;
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #38bdf8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin: 0 auto 1rem;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            margin-top: 0.35rem;
        }

        /* ============ 资讯 ============ */
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid #eef2f7;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: #e0f2fe;
        }

        .news-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }

        .news-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(2, 6, 23, 0.7);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .news-body {
            padding: 1.35rem 1.4rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-date {
            font-size: 0.76rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.5rem;
        }

        .news-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.45;
            margin-bottom: 0.55rem;
            transition: color 0.2s;
        }

        .news-body h3:hover {
            color: #0284c7;
        }

        .news-body p {
            color: #64748b;
            font-size: 0.87rem;
            line-height: 1.65;
            margin-bottom: 1rem;
            flex: 1;
        }

        .news-more {
            color: #0284c7;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: gap 0.25s ease;
        }

        .news-more:hover {
            gap: 0.6rem;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: #fff;
            border: 1px solid #eef2f7;
            border-radius: 16px;
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .faq-item:hover {
            border-color: #e0f2fe;
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.15rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #0f172a;
            transition: color 0.2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f1f5f9;
            color: #64748b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .faq-item[open] summary .faq-icon {
            background: #0ea5e9;
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item[open] summary {
            color: #0284c7;
        }

        .faq-answer {
            padding: 0 1.4rem 1.25rem;
            color: #475569;
            font-size: 0.92rem;
            line-height: 1.75;
            border-top: 1px solid #f1f5f9;
            margin: 0 1.4rem;
            padding-left: 0;
            padding-right: 0;
        }

        /* ============ CTA ============ */
        .cta-card {
            background: linear-gradient(135deg, #0c4a6e, #0369a1, #0ea5e9);
            border-radius: 28px;
            padding: 3.5rem 3rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 25px 60px rgba(2, 132, 199, 0.25);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            filter: blur(30px);
        }

        .cta-card h2 {
            color: #fff;
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 1.8rem;
        }

        /* ============ 页脚 ============ */
        .footer {
            background: #0f172a;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-link {
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
            display: inline-block;
            padding: 0.35rem 0;
        }

        .footer-link:hover {
            color: #7dd3fc;
            padding-left: 4px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }
            .about-content {
                padding: 2rem;
            }
            .guide-card {
                padding: 1.5rem 1.3rem;
            }
            .cta-card {
                padding: 2.5rem 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 380px;
            }
            .hero-content {
                padding-top: 110px;
                padding-bottom: 50px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .about-content {
                padding: 1.8rem 1.4rem;
            }
            .about-img-wrap {
                min-height: 240px;
            }
            .stat-box {
                padding: 1.5rem 0.75rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cta-card {
                padding: 2.2rem 1.5rem;
                border-radius: 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .footer .container-custom {
                padding: 0 20px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .news-thumb {
                height: 160px;
            }
            .guide-card {
                padding: 1.4rem 1.1rem;
            }
            .cta-card {
                padding: 2rem 1.2rem;
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-ghost {
                padding: 0.55rem 1.1rem;
                font-size: 0.82rem;
            }
        }

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

/* roulang page: article */
:root {
            --brand-500: #6366f1;
            --brand-600: #4f46e5;
            --brand-700: #4338ca;
            --brand-50: #eef2ff;
            --accent-400: #fbbf24;
            --accent-500: #f59e0b;
            --ink-900: #0f172a;
            --ink-800: #1e293b;
            --ink-700: #334155;
            --ink-600: #475569;
            --ink-500: #64748b;
            --ink-400: #94a3b8;
            --bg-slate-50: #f8fafc;
            --bg-slate-100: #f1f5f9;
            --border: #e2e8f0;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
            --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.04);
        }

        /* ---------- 基础重置 ---------- */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            background-color: #f8fafc;
            color: var(--ink-700);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        /* ---------- 容器 ---------- */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 640px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* ---------- 玻璃导航 ---------- */
        #siteHeader {
            background: rgba(255, 255, 255, 0.68);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
        }
        #siteHeader.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
            border-bottom-color: rgba(226, 232, 240, 0.9);
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--ink-600);
            padding: 0.35rem 0.15rem;
            transition: color 0.25s ease;
            letter-spacing: 0.02em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand-500), var(--brand-700));
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.3s ease;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--brand-600);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        /* ---------- 按钮 ---------- */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.65rem 1.4rem;
            border-radius: 9999px;
            box-shadow: 0 6px 18px rgba(79, 70, 229, 0.28);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(79, 70, 229, 0.36);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.4);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.6rem 1.3rem;
            border-radius: 9999px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.55);
        }

        /* ---------- 移动端菜单 ---------- */
        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.7);
            color: var(--ink-800);
            font-size: 1.1rem;
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .mobile-menu-btn:hover {
            background: var(--bg-slate-100);
        }
        .mobile-menu {
            display: none;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--border);
            padding: 1rem 1.25rem 1.5rem;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu.open {
            display: block;
            animation: fadeSlideIn 0.28s ease;
        }
        .mobile-menu a {
            display: block;
            padding: 0.75rem 0.5rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--ink-700);
            border-bottom: 1px solid var(--bg-slate-100);
            transition: color 0.2s ease, padding-left 0.25s ease;
            border-radius: 8px;
        }
        .mobile-menu a:hover {
            color: var(--brand-600);
            padding-left: 0.9rem;
            background: var(--brand-50);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        @keyframes fadeSlideIn {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ---------- 面包屑 ---------- */
        .breadcrumb a {
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: #fff;
        }

        /* ---------- 徽章 ---------- */
        .badge-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.28rem 0.9rem;
            border-radius: 9999px;
            backdrop-filter: blur(4px);
        }

        /* ---------- 文章正文样式 ---------- */
        .article-content {
            font-size: 1.04rem;
            line-height: 1.85;
            color: var(--ink-700);
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink-900);
            margin: 2rem 0 0.8rem;
            padding-bottom: 0.35rem;
            border-bottom: 1px solid var(--border);
            letter-spacing: -0.01em;
        }
        .article-content h3 {
            font-size: 1.28rem;
            font-weight: 600;
            color: var(--ink-900);
            margin: 1.6rem 0 0.65rem;
        }
        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--ink-800);
            margin: 1.2rem 0 0.5rem;
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.6rem;
            margin-bottom: 1.25rem;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 0.45rem;
        }
        .article-content li::marker {
            color: var(--brand-500);
        }
        .article-content blockquote {
            border-left: 4px solid var(--brand-500);
            background: var(--brand-50);
            padding: 0.9rem 1.3rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: var(--ink-600);
            font-style: italic;
        }
        .article-content img {
            border-radius: 14px;
            margin: 1.6rem 0;
            box-shadow: var(--shadow-md);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .article-content th {
            background: var(--bg-slate-100);
            font-weight: 600;
            color: var(--ink-800);
            text-align: left;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--border);
        }
        .article-content td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--bg-slate-100);
        }
        .article-content tr:last-child td {
            border-bottom: none;
        }
        .article-content a {
            color: var(--brand-600);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease;
        }
        .article-content a:hover {
            color: var(--brand-700);
        }
        .article-content code {
            background: var(--bg-slate-100);
            padding: 0.2rem 0.45rem;
            border-radius: 6px;
            font-size: 0.88em;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }
        .article-content pre {
            background: var(--ink-900);
            color: #e2e8f0;
            padding: 1.2rem 1.4rem;
            border-radius: 14px;
            overflow-x: auto;
            margin: 1.6rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }
        .article-content hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2rem 0;
        }

        /* ---------- 侧边栏卡片 ---------- */
        .side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.6rem;
            box-shadow: var(--shadow-md);
            transition: box-shadow 0.3s ease;
        }
        .side-card:hover {
            box-shadow: var(--shadow-lg);
        }

        /* ---------- 标签 ---------- */
        .tag-chip {
            display: inline-block;
            background: var(--bg-slate-100);
            border: 1px solid var(--border);
            color: var(--ink-600);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.25rem 0.85rem;
            border-radius: 9999px;
            margin: 0 0.35rem 0.35rem 0;
            transition: all 0.25s ease;
            cursor: default;
        }
        .tag-chip:hover {
            background: var(--brand-50);
            border-color: var(--brand-300);
            color: var(--brand-700);
        }

        /* ---------- FAQ ---------- */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 1rem;
            overflow: hidden;
            margin-bottom: 0.75rem;
            background: #fff;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(99, 102, 241, 0.3);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            padding: 1.1rem 1.4rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink-800);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
            transition: background 0.25s ease;
        }
        .faq-question:hover {
            background: var(--bg-slate-50);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--brand-400);
            outline-offset: -2px;
            border-radius: 1rem;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--brand-50);
            color: var(--brand-600);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--brand-600);
            color: #fff;
        }
        .faq-answer {
            display: none;
            padding: 0 1.4rem 1.2rem;
            color: var(--ink-600);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            padding-top: 1rem;
        }
        .faq-item.open .faq-answer {
            display: block;
            animation: fadeSlideIn 0.3s ease;
        }

        /* ---------- 资源卡片 ---------- */
        .resource-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
        }
        .resource-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(99, 102, 241, 0.35);
        }
        .resource-card img {
            transition: transform 0.5s ease;
        }
        .resource-card:hover img {
            transform: scale(1.04);
        }

        /* ---------- 最新资讯卡片 ---------- */
        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all 0.35s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(99, 102, 241, 0.3);
        }
        .news-card .news-cover {
            height: 150px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-card .news-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient to top, rgba(15, 23, 42, 0.45), transparent;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent 60%);
        }

        /* ---------- CTA ---------- */
        .cta-band {
            background: linear-gradient(135deg, #312e81 0%, #4f46e5 55%, #6366f1 100%);
            border-radius: 2rem;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 380px;
            height: 380px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -70%;
            left: 10%;
            width: 300px;
            height: 300px;
            background: rgba(251, 191, 36, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ---------- 页脚 ---------- */
        .footer {
            background: var(--ink-900);
            color: #94a3b8;
        }
        .footer-link {
            display: inline-flex;
            align-items: center;
            color: #94a3b8;
            font-size: 0.9rem;
            padding: 0.35rem 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
            border-radius: 6px;
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-link i {
            color: var(--brand-400);
        }

        /* ---------- 响应式辅助 ---------- */
        @media (max-width: 1024px) {
            .container-custom {
                max-width: 100%;
            }
            .lg\:flex {
                /* Tailwind 自动处理 */
            }
        }
        @media (max-width: 768px) {
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-hero-title {
                font-size: 1.7rem !important;
                line-height: 1.4 !important;
            }
            .btn-primary {
                padding: 0.55rem 1.1rem;
                font-size: 0.85rem;
            }
        }

        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.45);
            outline-offset: 2px;
            border-radius: 8px;
        }

        /* 平滑过渡 */
        .transition-all,
        .transition-colors,
        .transition-transform {
            transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 内容骨架分隔 */
        .section-divider {
            position: relative;
        }
        .section-divider::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--brand-400), var(--brand-600));
        }