/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d3f8f;
            --primary-dark: #0d1b4a;
            --accent: #e8b64c;
            --accent-light: #f4d488;
            --accent-dark: #d19a2a;
            --bg-light: #f5f7fb;
            --bg-white: #ffffff;
            --text-dark: #1e2340;
            --text-body: #4a5165;
            --text-muted: #7a8299;
            --border-light: #e4e8f0;
            --dark-section: #0d1b4a;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(26, 42, 108, 0.08);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.12);
            --shadow-lg: 0 18px 50px rgba(26, 42, 108, 0.16);
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-dark);
            text-decoration: none;
        }

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

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(13, 27, 74, 0.06);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .site-logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }

        .site-logo span {
            background: linear-gradient(135deg, var(--primary) 40%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-nav {
            gap: 8px;
        }

        .navbar-nav .nav-link {
            color: var(--text-body);
            font-weight: 500;
            font-size: 1rem;
            padding: 8px 20px !important;
            border-radius: 50px;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.1);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff !important;
            padding: 10px 26px !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 6px 20px rgba(26, 42, 108, 0.3);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(26, 42, 108, 0.4);
            color: #fff !important;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        }

        .navbar-toggler {
            border: none;
            padding: 8px 12px;
            border-radius: 10px;
            color: var(--primary);
            background: rgba(26, 42, 108, 0.08);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.2);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, #0d1b4a 0%, #1a2a6c 60%, #2d3f8f 100%);
            color: #fff;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 27, 74, 0.92) 0%, rgba(26, 42, 108, 0.75) 60%, rgba(45, 63, 143, 0.55) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 182, 76, 0.2);
            border: 1px solid rgba(232, 182, 76, 0.4);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-section h1 {
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-section h1 .highlight {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: 0 10px 30px rgba(232, 182, 76, 0.35);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(232, 182, 76, 0.5);
            color: var(--primary-dark);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .hero-stats .stat-item {
            text-align: center;
        }

        .hero-stats .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }

        .hero-stats .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== 特性板块 ========== */
        .section-block {
            padding: 90px 0;
        }

        .section-block.bg-white {
            background: var(--bg-white);
        }

        .section-tag {
            display: inline-block;
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 44px;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 38px 30px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(26, 42, 108, 0.1), rgba(232, 182, 76, 0.15));
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 分类入口 ========== */
        .categories-section {
            background: var(--dark-section);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
            color: #fff;
        }

        .categories-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

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

        .categories-section .section-title {
            color: #fff;
        }

        .categories-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .categories-section .section-tag {
            background: rgba(232, 182, 76, 0.2);
            color: var(--accent-light);
        }

        .category-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 0;
            height: 100%;
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(8px);
            display: block;
            color: #fff;
        }

        .category-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(232, 182, 76, 0.5);
            transform: translateY(-6px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            color: #fff;
        }

        .category-card .card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .category-card:hover .card-image img {
            transform: scale(1.08);
        }

        .category-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 27, 74, 0.85), transparent 60%);
        }

        .category-card .card-body {
            padding: 28px;
        }

        .category-card .card-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .category-card .card-body p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 18px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .category-link i {
            transition: transform 0.3s ease;
        }

        .category-card:hover .category-link {
            color: var(--accent-light);
            gap: 12px;
        }

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

        /* ========== 资讯列表 ========== */
        .news-section {
            background: var(--bg-light);
        }

        .news-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            margin-bottom: 20px;
            transition: var(--transition);
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

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

        .news-item .news-date {
            flex-shrink: 0;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 10px 16px;
            text-align: center;
            min-width: 68px;
        }

        .news-item .news-date .day {
            display: block;
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .news-item .news-date .month {
            display: block;
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-item .news-content h3 a {
            color: inherit;
        }

        .news-item .news-content h3 a:hover {
            color: var(--primary);
        }

        .news-item .news-content p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .news-meta {
            display: flex;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .news-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        .news-meta .news-cat {
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 500;
        }

        /* ========== 流程板块 ========== */
        .steps-section {
            background: var(--bg-white);
            padding: 90px 0;
        }

        .step-item {
            text-align: center;
            padding: 30px 20px;
            position: relative;
        }

        .step-number {
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: 0 10px 30px rgba(26, 42, 108, 0.3);
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.4rem;
            z-index: 3;
            display: none;
        }

        @media (min-width: 992px) {
            .step-arrow {
                display: block;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-light);
            padding: 90px 0;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            padding: 20px 28px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            background: var(--bg-white);
            transition: var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(26, 42, 108, 0.04);
            color: var(--primary);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.15);
            border-color: transparent;
        }

        .faq-accordion .accordion-button::after {
            background-color: rgba(26, 42, 108, 0.1);
            border-radius: 50%;
            background-size: 1rem;
            padding: 8px;
            background-position: center;
        }

        .faq-accordion .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 80px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark) !important;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1.05rem;
            box-shadow: 0 10px 30px rgba(232, 182, 76, 0.4);
            transition: var(--transition);
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 45px rgba(232, 182, 76, 0.55);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }

        .footer-brand {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand i {
            color: var(--accent);
        }

        .footer-about {
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.92rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 0.92rem;
        }

        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-top: 50px;
            background: rgba(0, 0, 0, 0.2);
        }

        .footer-bottom p {
            margin: 0;
            font-size: 0.85rem;
            text-align: center;
        }

        /* ========== 图片卡片 ========== */
        .img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .img-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .img-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 27, 74, 0.85), transparent 45%);
            display: flex;
            align-items: flex-end;
            padding: 28px;
            color: #fff;
        }

        .img-card-overlay h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .img-card-overlay p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-section {
                padding: 90px 0 70px;
            }

            .hero-section h1 {
                font-size: 2.8rem;
            }

            .section-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 70px 0 60px;
            }

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

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

            .hero-stats {
                gap: 28px;
                margin-top: 40px;
            }

            .hero-stats .stat-number {
                font-size: 1.7rem;
            }

            .section-block,
            .categories-section,
            .steps-section,
            .faq-section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .news-item {
                flex-direction: row;
                gap: 16px;
                padding: 20px;
            }

            .news-item .news-date {
                min-width: 56px;
                padding: 8px 12px;
            }

            .news-item .news-date .day {
                font-size: 1.2rem;
            }

            .step-arrow {
                display: none;
            }

            .cta-content h2 {
                font-size: 1.8rem;
            }

            .cta-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero-section {
                padding: 56px 0 48px;
            }

            .hero-section h1 {
                font-size: 1.8rem;
                line-height: 1.3;
            }

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

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                justify-content: center;
                width: 100%;
            }

            .hero-stats {
                gap: 24px;
                margin-top: 32px;
            }

            .hero-stats .stat-number {
                font-size: 1.4rem;
            }

            .hero-stats .stat-label {
                font-size: 0.75rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .news-item {
                flex-direction: column;
            }

            .news-item .news-date {
                display: inline-flex;
                align-items: center;
                gap: 8px;
                padding: 6px 12px;
                min-width: auto;
            }

            .news-item .news-date .day {
                font-size: 1rem;
                display: inline;
            }

            .news-item .news-date .month {
                display: inline;
                font-size: 0.85rem;
            }

            .feature-card {
                padding: 28px 24px;
            }

            .category-card .card-body {
                padding: 22px;
            }

            .site-logo {
                font-size: 1.2rem;
            }
        }

        /* ========== 可访问性 ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(232, 182, 76, 0.6);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #0f1c2e;
            --primary-light: #1e3a5f;
            --primary-lighter: #2d4f7a;
            --accent: #e8a33d;
            --accent-hover: #d4912a;
            --accent-soft: #fdf3e3;
            --teal: #2ec4b6;
            --bg-light: #f6f8fb;
            --bg-white: #ffffff;
            --text-main: #213244;
            --text-muted: #5b6b7b;
            --border-color: #e5eaf0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(15, 28, 46, .06);
            --shadow-md: 0 8px 24px rgba(15, 28, 46, .08);
            --shadow-lg: 0 16px 48px rgba(15, 28, 46, .12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding: 90px 0;
        }

        /* Header */
        .site-header {
            background: rgba(15, 28, 46, .98);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            padding: 14px 0;
        }
        .site-header .navbar {
            padding: 0;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.4rem;
            filter: drop-shadow(0 0 8px rgba(232, 163, 61, .3));
        }
        .site-logo span {
            background: linear-gradient(135deg, #fff 30%, #e8a33d 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .85);
            font-size: .95rem;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 999px;
            transition: all .25s ease;
        }
        .navbar-nav .nav-link:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent);
            background: rgba(232, 163, 61, .12);
            font-weight: 600;
        }
        .navbar-nav .nav-cta-btn {
            background: linear-gradient(135deg, var(--accent), #f0b85c);
            color: #0f1c2e;
            font-weight: 700;
            border-radius: 999px;
            padding: 10px 24px !important;
            box-shadow: 0 4px 18px rgba(232, 163, 61, .35);
            transition: all .3s ease;
        }
        .navbar-nav .nav-cta-btn:hover {
            color: #0f1c2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(232, 163, 61, .45);
        }
        .navbar-toggler {
            border: none;
            color: #fff;
            font-size: 1.4rem;
            padding: 4px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* Page Banner */
        .page-banner {
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 100px 0 80px;
            text-align: center;
            color: #fff;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 28, 46, .82), rgba(15, 28, 46, .55), rgba(232, 163, 61, .25));
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }
        .banner-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: .85rem;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, .8);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent);
        }
        .banner-breadcrumb i {
            font-size: .7rem;
            color: rgba(255, 255, 255, .5);
        }
        .banner-breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-banner h1 span {
            color: var(--accent);
        }
        .page-banner .lead-text {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .banner-tags .tag-pill {
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: .82rem;
            color: #fff;
            backdrop-filter: blur(4px);
            transition: all .25s ease;
        }
        .banner-tags .tag-pill:hover {
            background: var(--accent);
            color: #0f1c2e;
            border-color: var(--accent);
        }

        /* Category Cards */
        .category-cards-section {
            padding: 60px 0 80px;
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }
        .cat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 36px 30px;
            height: 100%;
            transition: all .35s ease;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .cat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), #f0b85c);
            opacity: 0;
            transition: opacity .3s ease;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(232, 163, 61, .3);
        }
        .cat-card:hover::before {
            opacity: 1;
        }
        .cat-card-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .cat-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .cat-card p {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .cat-card .card-link {
            font-weight: 600;
            color: var(--accent);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cat-card .card-link i {
            transition: transform .2s ease;
        }
        .cat-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* Content + Sidebar */
        .guide-section {
            padding: 20px 0 90px;
            background: var(--bg-light);
        }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 50px;
        }
        .section-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: 999px;
            padding: 5px 16px;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
        }

        .guide-card-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            margin-bottom: 18px;
            border: 1px solid var(--border-color);
            transition: all .3s ease;
            display: flex;
            align-items: flex-start;
            gap: 18px;
        }
        .guide-card-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 163, 61, .35);
            transform: translateY(-3px);
        }
        .guide-card-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .guide-card-body h4 {
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .guide-card-body p {
            color: var(--text-muted);
            font-size: .88rem;
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .guide-card-meta {
            display: flex;
            gap: 14px;
            font-size: .8rem;
            color: #9aa7b4;
        }
        .guide-card-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        /* Sidebar */
        .guide-sidebar {
            padding-left: 10px;
        }
        .sidebar-widget {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px;
            margin-bottom: 24px;
        }
        .sidebar-widget h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent-soft);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget h4 i {
            color: var(--accent);
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: .82rem;
            color: var(--text-muted);
            transition: all .2s ease;
        }
        .sidebar-tags a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list li .rank-num {
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 700;
            font-size: .75rem;
            border-radius: 6px;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .sidebar-list li a {
            color: var(--text-main);
            line-height: 1.5;
        }
        .sidebar-list li a:hover {
            color: var(--accent);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: var(--radius-md);
            padding: 30px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .sidebar-cta::after {
            content: "";
            position: absolute;
            top: -50%;
            right: -50%;
            width: 120%;
            height: 120%;
            background: radial-gradient(circle, rgba(232, 163, 61, .2) 0%, transparent 60%);
        }
        .sidebar-cta h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .sidebar-cta p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .sidebar-cta .btn-cta-white {
            background: var(--accent);
            color: #0f1c2e;
            border-radius: 999px;
            padding: 9px 22px;
            font-weight: 700;
            font-size: .85rem;
            transition: all .3s ease;
            display: inline-block;
            position: relative;
            z-index: 2;
        }
        .sidebar-cta .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 163, 61, .4);
            color: #0f1c2e;
        }

        /* Steps */
        .steps-section {
            background: var(--primary);
            color: #fff;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .steps-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(232, 163, 61, .1);
            border-radius: 50%;
        }
        .steps-section::after {
            content: "";
            position: absolute;
            bottom: -120px;
            left: -120px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, .04);
            border-radius: 50%;
        }
        .steps-section .section-header h2 {
            color: #fff;
        }
        .steps-section .section-header p {
            color: rgba(255, 255, 255, .7);
        }
        .steps-section .section-tag {
            background: rgba(232, 163, 61, .18);
            color: var(--accent);
        }
        .step-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: all .3s ease;
            position: relative;
            z-index: 2;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #f0b85c);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 16px;
            box-shadow: 0 0 0 6px rgba(232, 163, 61, .15);
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: .88rem;
            color: rgba(255, 255, 255, .7);
            line-height: 1.7;
        }

        /* Stats */
        .stats-section {
            padding: 80px 0;
            background: var(--bg-white);
        }
        .stat-box {
            text-align: center;
            padding: 30px 16px;
            border-radius: var(--radius-lg);
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            transition: all .3s ease;
        }
        .stat-box:hover {
            border-color: rgba(232, 163, 61, .4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-box .stat-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .stat-box .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-box .stat-label {
            color: var(--text-muted);
            font-size: .9rem;
            margin-top: 4px;
        }

        /* FAQ */
        .faq-section {
            padding: 90px 0;
            background: var(--bg-light);
        }
        .accordion-item {
            border: 1px solid var(--border-color) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }
        .accordion-button {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--primary);
            padding: 20px 24px;
            background: var(--bg-white);
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .accordion-button::after {
            transition: transform .3s ease;
        }
        .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 28, 46, .92), rgba(15, 28, 46, .72), rgba(232, 163, 61, .25));
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-custom {
            display: inline-block;
            border-radius: 999px;
            padding: 13px 34px;
            font-weight: 700;
            font-size: .95rem;
            border: 2px solid var(--accent);
            transition: all .3s ease;
        }
        .btn-custom-primary {
            background: var(--accent);
            color: #0f1c2e;
            box-shadow: 0 6px 24px rgba(232, 163, 61, .35);
        }
        .btn-custom-primary:hover {
            background: #f0b85c;
            color: #0f1c2e;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(232, 163, 61, .5);
        }
        .btn-custom-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }
        .btn-custom-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, .1);
        }

        /* Footer */
        .site-footer {
            background: #0b1524;
            color: rgba(255, 255, 255, .7);
            padding-top: 70px;
            border-top: 3px solid var(--accent);
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-brand span {
            background: linear-gradient(135deg, #fff 30%, #e8a33d 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-about {
            font-size: .9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 380px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-links i {
            font-size: .7rem;
            color: var(--accent);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .9rem;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            background: rgba(0, 0, 0, .3);
            padding: 20px 0;
            margin-top: 50px;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, .05);
        }
        .footer-bottom p {
            margin: 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .page-banner {
                padding: 70px 0 60px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .guide-sidebar {
                padding-left: 0;
                margin-top: 40px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 10px 0;
            }
            .navbar-collapse {
                background: rgba(15, 28, 46, .98);
                border-radius: 14px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, .08);
            }
            .navbar-nav .nav-link {
                padding: 10px 14px !important;
                text-align: center;
            }
            .navbar-nav .nav-cta-btn {
                margin-top: 8px;
                text-align: center;
                display: block;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .lead-text {
                font-size: .95rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .category-cards-section {
                margin-top: 0;
                padding-top: 50px;
            }
            .cat-card {
                margin-bottom: 20px;
            }
            .steps-section {
                padding: 60px 0;
            }
            .step-item {
                margin-bottom: 18px;
            }
            .stats-section {
                padding: 40px 0;
            }
            .stat-box {
                margin-bottom: 18px;
            }
            .faq-section {
                padding: 60px 0;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-inner h2 {
                font-size: 1.6rem;
            }
            .cta-btns {
                flex-direction: column;
                align-items: center;
            }
            .btn-custom {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .page-banner {
                padding: 50px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .banner-breadcrumb {
                font-size: .75rem;
                padding: 4px 12px;
            }
            .guide-card-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }
            .guide-card-number {
                width: 38px;
                height: 38px;
                font-size: .95rem;
            }
            .sidebar-widget {
                padding: 20px;
            }
            .footer-contact p {
                font-size: .82rem;
            }
        }

/* roulang page: article */
/* ==================== 设计变量 ==================== */
        :root {
            --primary: #5b48d8;
            --primary-dark: #4534b8;
            --primary-light: #8470ef;
            --accent: #ffb648;
            --accent-dark: #f0a130;
            --bg-body: #f6f7fb;
            --bg-white: #ffffff;
            --bg-dark: #171a24;
            --light-bg: #efedfc;
            --text-main: #252735;
            --text-muted: #6f7284;
            --border-color: #e5e8f1;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 4px 14px rgba(63, 55, 132, 0.06);
            --shadow-md: 0 10px 30px rgba(63, 55, 132, 0.10);
            --shadow-hover: 0 18px 44px rgba(63, 55, 132, 0.16);
            --transition: all .28s ease;
        }

        /* ==================== 基础 Reset / Base ==================== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1180px;
            padding-left: 22px;
            padding-right: 22px;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-main);
        }

        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(91, 72, 216, .35);
            outline-offset: 2px;
        }

        /* ==================== 导航 Header ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
        }

        .site-header .navbar {
            padding: 0;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            font-size: 1.42rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .site-logo i {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 7px 18px rgba(91, 72, 216, .32);
        }

        .site-header .navbar-nav .nav-link {
            font-weight: 600;
            font-size: .95rem;
            color: var(--text-main);
            padding: 9px 18px;
            border-radius: 10px;
            transition: var(--transition);
            margin: 0 2px;
        }

        .site-header .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--light-bg);
        }

        .site-header .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--light-bg);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
            color: #fff !important;
            padding: 11px 26px !important;
            border-radius: 12px !important;
            box-shadow: 0 7px 20px rgba(91, 72, 216, .30);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            color: #fff !important;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(91, 72, 216, .38);
        }

        .navbar-toggler {
            border: none;
            background: var(--light-bg);
            color: var(--primary);
            border-radius: 10px;
            padding: 8px 14px;
            font-size: 1.25rem;
            box-shadow: none !important;
        }

        /* ==================== 页面 Banner ==================== */
        .page-banner {
            position: relative;
            padding: 96px 0 88px;
            background-size: cover;
            background-position: center;
            color: #fff;
            isolation: isolate;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(25, 18, 58, .88) 0%, rgba(45, 32, 105, .68) 50%, rgba(23, 26, 36, .52) 100%);
            z-index: -1;
        }

        .banner-inner {
            max-width: 840px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: .85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            letter-spacing: .5px;
        }

        .banner-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .page-banner h1 {
            color: #fff;
            font-size: clamp(1.6rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.35;
            margin: 18px 0 14px;
            letter-spacing: -0.4px;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .85);
        }

        .banner-meta i {
            margin-right: 5px;
            color: var(--accent);
        }

        .breadcrumb-nav {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            margin-bottom: 24px;
            font-size: .87rem;
        }

        .breadcrumb-nav .breadcrumb {
            margin-bottom: 0;
        }

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

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

        .breadcrumb-nav .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ==================== 文章主体 ==================== */
        .article-section {
            padding: 40px 0 70px;
        }

        .article-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 34px 40px;
            transition: var(--transition);
        }

        .article-card .article-content {
            font-size: 1rem;
            color: #3a3d4c;
            line-height: 1.9;
        }

        .article-content h2 {
            font-size: 1.5rem;
            margin: 32px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--light-bg);
        }

        .article-content h3 {
            font-size: 1.22rem;
            margin: 26px 0 10px;
            color: var(--primary);
        }

        .article-content p {
            margin: 0 0 16px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 18px 22px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--light-bg);
            padding: 14px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            color: var(--text-muted);
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px;
        }

        .empty-icon {
            width: 80px;
            height: 80px;
            background: var(--light-bg);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .article-empty h2 {
            font-size: 1.6rem;
            margin-bottom: 10px;
        }

        .article-empty p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ==================== 侧边栏 ==================== */
        .sidebar-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 26px;
            margin-bottom: 24px;
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--light-bg);
            position: relative;
        }

        .sidebar-card h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 36px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .sidebar-info {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-info li {
            padding: 8px 0;
            font-size: .93rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px dashed var(--border-color);
        }

        .sidebar-info li:last-child {
            border-bottom: none;
        }

        .sidebar-info .label {
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-info .label i {
            color: var(--primary);
            width: 16px;
        }

        /* 侧栏导航卡片 */
        .nav-card-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .nav-card-item {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            gap: 12px;
            padding: 12px;
            align-items: center;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .nav-card-item:hover {
            border-color: var(--primary);
            background: var(--light-bg);
            transform: translateX(3px);
            box-shadow: var(--shadow-sm);
        }

        .nav-card-item img {
            width: 56px;
            height: 56px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }

        .nav-card-item h5 {
            font-size: .95rem;
            margin: 0 0 4px;
            font-weight: 700;
        }

        .nav-card-item p {
            font-size: .82rem;
            margin: 0;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .about-card p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .btn-outline-link {
            font-weight: 600;
            font-size: .88rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-outline-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ==================== 通用区块头 ==================== */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
            padding: 0 16px;
        }

        .section-eyebrow {
            display: inline-block;
            background: var(--light-bg);
            color: var(--primary);
            font-weight: 700;
            font-size: .82rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 5px 16px;
            border-radius: 100px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: .98rem;
        }

        /* ==================== 特色卡片 ==================== */
        .feature-section {
            padding: 80px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .feature-card {
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .feature-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .feature-body {
            padding: 24px;
            position: relative;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-top: -46px;
            border: 4px solid var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .feature-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin: 12px 0 8px;
        }

        .feature-body p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            padding: 80px 0;
        }

        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            margin-bottom: 12px;
            transition: var(--transition);
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: .96rem;
            color: var(--text-main);
            padding: 18px 22px;
            background: var(--bg-white);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--light-bg);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            background-size: 18px;
        }

        .accordion-body {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.8;
            padding: 8px 22px 20px;
        }

        /* ==================== CTA 区块 ==================== */
        .cta-section {
            padding: 0 0 80px;
        }

        .cta-inner {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 58px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .cta-inner::before {
            content: "\f0e6";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-size: 10rem;
            opacity: .09;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.4rem, 2.6vw, 2rem);
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .88);
            margin-bottom: 26px;
            font-size: .98rem;
        }

        .cta-inner .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border-radius: 12px;
            font-weight: 700;
            padding: 12px 30px;
            box-shadow: 0 10px 26px rgba(0, 0, 0, .12);
            border: none;
        }

        .cta-inner .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(0, 0, 0, .18);
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .68);
            padding: 68px 0 0;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand i {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .95rem;
            color: #fff;
        }

        .footer-about {
            font-size: .9rem;
            line-height: 1.85;
            max-width: 360px;
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: .3px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .68);
            font-size: .9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-links i {
            font-size: .72rem;
            margin-right: 6px;
            color: var(--accent);
        }

        .footer-contact p {
            font-size: .88rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            width: 20px;
            color: var(--accent);
            text-align: center;
            font-size: .9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 48px;
            padding: 20px 0;
        }

        .footer-bottom p {
            margin: 0;
            font-size: .82rem;
            text-align: center;
            color: rgba(255, 255, 255, .4);
        }

        /* ==================== 通用按钮 ==================== */
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            border-radius: 12px;
            font-weight: 600;
            padding: 11px 26px;
            box-shadow: 0 7px 20px rgba(91, 72, 216, .28);
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(91, 72, 216, .38);
        }

        .btn-outline-light {
            border-radius: 12px;
            font-weight: 600;
        }

        /* ==================== 响应式断点 ==================== */
        @media (max-width: 1024px) {
            .article-card {
                padding: 28px 30px;
            }

            .feature-card img {
                height: 160px;
            }
        }

        @media (max-width: 991.98px) {
            .site-header {
                padding: 8px 0;
            }

            .site-header .navbar-collapse {
                background: var(--bg-white);
                border-radius: 14px;
                padding: 14px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border-color);
            }

            .site-header .navbar-nav .nav-link {
                padding: 10px 16px;
                margin: 2px 0;
            }

            .nav-cta-btn {
                margin-top: 8px;
                text-align: center;
                width: 100%;
            }

            .sidebar {
                margin-top: 16px;
            }

            .page-banner {
                padding: 70px 0 60px;
            }
        }

        @media (max-width: 768px) {
            .article-card {
                padding: 20px;
                border-radius: 16px;
            }

            .feature-section,
            .faq-section {
                padding: 56px 0;
            }

            .cta-inner {
                padding: 42px 24px;
                border-radius: 16px;
            }

            .feature-card img {
                height: 150px;
            }

            .site-footer {
                padding-top: 48px;
            }

            .card-title {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-logo {
                font-size: 1.2rem;
            }

            .site-logo i {
                width: 34px;
                height: 34px;
                font-size: .9rem;
            }

            .page-banner {
                padding: 56px 0 48px;
            }

            .page-banner h1 {
                font-size: 1.4rem;
            }

            .banner-meta {
                gap: 10px;
                font-size: .8rem;
                flex-direction: column;
            }

            .article-card {
                padding: 18px 14px;
            }

            .cta-inner {
                padding: 36px 18px;
            }

            .cta-inner h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #b8860b;
            --primary-light: #e8c76a;
            --primary-dark: #8a6508;
            --primary-soft: rgba(184, 134, 11, 0.1);
            --dark: #0e1b2e;
            --dark-2: #16283e;
            --dark-3: #1f3350;
            --bg: #f5f7fa;
            --bg-soft: #eef2f7;
            --card: #ffffff;
            --text: #1e2a3a;
            --muted: #62748a;
            --border: #e6eaf0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 24px rgba(14, 27, 46, 0.08);
            --shadow-hover: 0 12px 36px rgba(14, 27, 46, 0.14);
            --shadow-primary: 0 8px 28px rgba(184, 134, 11, 0.28);
            --transition: all 0.3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 0;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(14, 27, 46, 0.1);
        }

        .site-header .navbar {
            padding: 12px 0;
            min-height: 72px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .site-logo i {
            color: var(--primary);
            font-size: 1.55rem;
            background: var(--primary-soft);
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
        }

        .site-logo span {
            line-height: 1.2;
        }

        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text);
            padding: 10px 18px !important;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--shadow-primary);
            transition: var(--transition);
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(184, 134, 11, 0.4);
            color: #fff !important;
            background: var(--primary-dark) !important;
        }

        .navbar-toggler {
            border: none;
            background: var(--primary-soft);
            color: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .navbar-toggler:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.3);
        }

        /* ========== Hero Banner ========== */
        .page-banner {
            position: relative;
            padding: 96px 0 88px;
            background: linear-gradient(120deg, rgba(14, 27, 46, 0.88), rgba(31, 51, 80, 0.76)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 4px solid var(--primary);
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 199, 106, 0.18), transparent 70%);
        }

        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .page-banner .breadcrumb-wrap {
            margin-bottom: 16px;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.75);
        }

        .page-banner .breadcrumb-wrap a {
            color: var(--primary-light);
        }

        .page-banner .breadcrumb-wrap a:hover {
            color: #fff;
        }

        .page-banner h1 {
            font-size: 2.7rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .page-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 0;
        }

        .banner-badge {
            display: inline-block;
            background: rgba(232, 199, 106, 0.2);
            color: var(--primary-light);
            border: 1px solid rgba(232, 199, 106, 0.4);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }

        /* ========== Stats ========== */
        .stats-section {
            margin-top: -48px;
            position: relative;
            z-index: 5;
        }

        .stats-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .stats-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .stats-card .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
        }

        .stats-card .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.2;
        }

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

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

        .section-sm {
            padding: 56px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--muted);
            max-width: 640px;
            font-size: 1rem;
        }

        /* ========== News Card ========== */
        .news-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .news-card .news-card-img {
            position: relative;
            height: 210px;
            overflow: hidden;
            background: var(--bg-soft);
        }

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

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

        .news-card .news-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(14, 27, 46, 0.82);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .news-card .news-tag.hot {
            background: rgba(184, 134, 11, 0.9);
        }

        .news-card .news-card-body {
            padding: 24px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .news-card-date {
            color: var(--muted);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }

        .news-card .news-card-title {
            font-size: 1.18rem;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .news-card .news-card-title a:hover {
            color: var(--primary);
        }

        .news-card .news-card-desc {
            color: var(--muted);
            font-size: 0.94rem;
            margin-bottom: 16px;
            flex: 1;
        }

        .news-card .news-card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-card-link i {
            transition: transform 0.3s ease;
        }

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

        /* ========== Featured ========== */
        .featured-card {
            background: var(--dark);
            border-radius: 20px;
            overflow: hidden;
            color: #fff;
            position: relative;
        }

        .featured-card .featured-img {
            min-height: 420px;
            position: relative;
            background: url('/assets/images/coverpic/cover-4.png') center/cover no-repeat;
        }

        .featured-card .featured-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(14, 27, 46, 0.2), rgba(14, 27, 46, 0.65));
        }

        .featured-card .featured-content {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .featured-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            width: fit-content;
        }

        .featured-card h3 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .featured-card p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 12px;
        }

        .featured-card .featured-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 20px;
        }

        .featured-card .featured-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.88);
        }

        .featured-card .featured-list li i {
            color: var(--primary-light);
            margin-top: 5px;
        }

        .featured-card .btn-featured {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 26px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
            transition: var(--transition);
        }

        .featured-card .btn-featured:hover {
            background: var(--primary-light);
            color: var(--dark);
            transform: translateY(-2px);
        }

        /* ========== Timeline ========== */
        .timeline-area {
            background: var(--card);
            border-radius: var(--radius);
            padding: 42px 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 26px 36px;
            border-left: 3px solid var(--primary-soft);
            margin-left: 12px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -9px;
            top: 4px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.25);
        }

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

        .timeline-item .time-date {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 2px 12px;
            border-radius: 16px;
            display: inline-block;
            margin-bottom: 6px;
        }

        .timeline-item h5 {
            font-weight: 600;
            color: var(--dark);
            margin: 6px 0;
        }

        .timeline-item p {
            color: var(--muted);
            font-size: 0.94rem;
            margin-bottom: 0;
        }

        /* ========== Sidebar / Tag Cloud ========== */
        .sidebar-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 24px;
        }

        .sidebar-card .sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--primary-soft);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-card .sidebar-title i {
            color: var(--primary);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag-item {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 0.85rem;
            color: var(--text);
            transition: var(--transition);
        }

        .tag-cloud .tag-item:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .hot-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-list .hot-num {
            background: var(--primary-soft);
            color: var(--primary);
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hot-list .hot-item-title {
            font-weight: 500;
            color: var(--text);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .hot-list .hot-item-title:hover {
            color: var(--primary);
        }

        .hot-list .hot-item-meta {
            font-size: 0.8rem;
            color: var(--muted);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 36px;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: none;
        }

        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--dark);
            background: transparent;
            padding: 18px 22px;
            font-size: 1rem;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.2);
        }

        .faq-accordion .accordion-body {
            color: var(--muted);
            padding: 6px 22px 20px;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: linear-gradient(120deg, var(--dark), var(--dark-3)), url('/assets/images/backpic/back-3.png') center/cover;
            background-blend-mode: overlay;
            color: #fff;
            padding: 88px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 600;
            transition: var(--transition);
        }

        .cta-btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .cta-btn-primary:hover {
            background: var(--primary-light);
            color: var(--dark);
            transform: translateY(-3px);
        }

        .cta-btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .cta-btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand i {
            color: var(--primary-light);
        }

        .footer-about {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.95rem;
            max-width: 360px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .site-footer .footer-links a i {
            color: var(--primary-light);
            font-size: 0.8rem;
        }

        .site-footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-contact p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-contact p i {
            color: var(--primary-light);
            width: 20px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
            margin-top: 44px;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            margin: 0;
            text-align: center;
        }

        .footer-bottom a {
            color: var(--primary-light);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .page-banner h1 {
                font-size: 2.3rem;
            }

            .featured-card .featured-content {
                padding: 36px 28px;
            }

            .featured-card h3 {
                font-size: 1.6rem;
            }

            .section {
                padding: 60px 0;
            }

            .stats-section {
                margin-top: -32px;
            }
        }

        @media (max-width: 768px) {
            .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: 14px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow);
                margin-top: 12px;
            }

            .navbar-nav .nav-link {
                padding: 12px 14px !important;
            }

            .navbar-nav .nav-link.active::after {
                display: none;
            }

            .nav-cta-btn {
                margin-top: 8px;
                justify-content: center;
            }

            .page-banner {
                padding: 76px 0 72px;
            }

            .page-banner h1 {
                font-size: 1.9rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .featured-card .featured-img {
                min-height: 220px;
            }

            .featured-card .featured-content {
                padding: 28px 24px;
            }

            .timeline-area {
                padding: 28px 20px;
            }

            .faq-wrapper {
                padding: 24px 18px;
            }

            .stats-card {
                padding: 20px 14px;
            }

            .stats-card .stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.55rem;
            }

            .page-banner p {
                font-size: 0.95rem;
            }

            .section {
                padding: 48px 0;
            }

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

            .news-card .news-card-img {
                height: 180px;
            }

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

            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }

            .cta-btn {
                width: 100%;
                justify-content: center;
            }

            .featured-card h3 {
                font-size: 1.4rem;
            }

            .featured-card .featured-content {
                padding: 24px 18px;
            }

            .timeline-item {
                padding-left: 24px;
                margin-left: 6px;
            }

            .site-footer {
                padding-top: 48px;
            }

            .stats-section {
                margin-top: -24px;
            }
        }