/* roulang page: index */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #818cf8;
            --accent: #06b6d4;
            --accent-light: #22d3ee;
            --dark-bg: #0f172a;
            --dark-bg-2: #1e293b;
            --light-bg: #f1f5f9;
            --white: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--white);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
        }

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

        .site-header .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }

        .site-header .navbar-brand .brand-badge {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
            flex-shrink: 0;
        }

        .site-header .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .site-header .navbar-brand .brand-text span:first-child {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.01em;
        }

        .site-header .navbar-brand .brand-text small {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.06em;
        }

        .site-header .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 32px;
        }

        .site-header .nav-links .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 10px 16px;
            border-radius: 100px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .site-header .nav-links .nav-link:hover {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.06);
        }

        .site-header .nav-links .nav-link.active {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.08);
            font-weight: 600;
        }

        .site-header .nav-links .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .site-header .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .site-header .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .site-header .search-box .form-control {
            border: 1px solid var(--border);
            border-radius: 100px;
            font-size: 14px;
            padding: 8px 16px 8px 38px;
            background: var(--light-bg);
            width: 200px;
            transition: var(--transition);
        }

        .site-header .search-box .form-control:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
            outline: none;
            width: 240px;
        }

        .site-header .search-box .search-icon {
            position: absolute;
            left: 14px;
            color: var(--text-muted);
            font-size: 14px;
            z-index: 2;
            pointer-events: none;
        }

        .site-header .btn-login {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 100px;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
            white-space: nowrap;
        }

        .site-header .btn-login:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
        }

        .site-header .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--text);
            font-size: 22px;
            box-shadow: none !important;
            outline: none !important;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 130px 0 120px;
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.88) 0%, rgba(79, 70, 229, 0.65) 55%, rgba(6, 182, 212, 0.35) 100%);
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 8px 20px;
            border-radius: 100px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .hero h1 .highlight {
            background: linear-gradient(90deg, #818cf8, #22d3ee);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }

        .hero-buttons .btn-primary {
            background: var(--white);
            color: var(--primary);
            border: none;
            font-weight: 700;
            padding: 14px 30px;
            border-radius: 100px;
            font-size: 15px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }

        .hero-buttons .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
            background: #f0f0ff;
        }

        .hero-buttons .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 100px;
            font-size: 15px;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

        .hero-buttons .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 28px 36px;
            width: fit-content;
        }

        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stats .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ===== About Section ===== */
        .about-section {
            background: var(--white);
            position: relative;
        }

        .about-section .about-content {
            padding-right: 30px;
        }

        .about-section .about-content h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .about-section .about-content p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .about-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .about-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }

        .about-list li i {
            color: var(--primary);
            font-size: 18px;
        }

        .about-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .about-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(79, 70, 229, 0.15), transparent 60%);
            border-radius: var(--radius-lg);
        }

        .about-image .about-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 14px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            z-index: 2;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .about-image .about-badge i {
            font-size: 24px;
            color: var(--primary);
        }

        .about-image .about-badge .badge-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        /* ===== Categories Section ===== */
        .categories-section {
            background: var(--light-bg);
        }

        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(79, 70, 229, 0.2);
        }

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

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

        .category-card:hover .card-image img {
            transform: scale(1.05);
        }

        .category-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 40%, rgba(15, 23, 42, 0.2));
        }

        .category-card .card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .category-card .card-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .category-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .category-card .card-link i {
            font-size: 14px;
        }

        /* ===== News Section ===== */
        .news-section {
            background: #fff;
        }

        .news-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .news-item:hover {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
        }

        .news-item .news-icon {
            width: 52px;
            height: 52px;
            min-width: 52px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
        }

        .news-item .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }

        .news-item .news-badge {
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
        }

        .news-item .news-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .news-item .news-title {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .news-item .news-title a {
            color: var(--text);
        }

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

        .news-item .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 600px;
        }

        .news-item .news-arrow {
            color: var(--text-muted);
            font-size: 18px;
            padding: 10px;
            border-radius: 50%;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .news-item:hover .news-arrow {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.08);
            transform: translateX(4px);
        }

        .empty-tip {
            text-align: center;
            padding: 50px 20px;
            background: var(--light-bg);
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 16px;
        }

        /* ===== Process Section ===== */
        .process-section {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1e1b4b 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.3), transparent 70%);
            border-radius: 50%;
        }

        .process-section .section-tag {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .process-section .section-header h2 {
            color: #fff;
        }

        .process-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        .process-step {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-8px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }

        .process-step .step-num {
            font-size: 14px;
            font-weight: 800;
            color: rgba(129, 140, 248, 0.8);
            letter-spacing: 0.1em;
            margin-bottom: 14px;
        }

        .process-step .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Advantages ===== */
        .advantages-section {
            background: var(--white);
        }

        .advantage-card {
            background: var(--light-bg);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
        }

        .advantage-card:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: rgba(79, 70, 229, 0.15);
        }

        .advantage-card .adv-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            transition: var(--transition);
        }

        .advantage-card:hover .adv-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            transform: scale(1.05);
        }

        .advantage-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .advantage-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

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

        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrapper .accordion-item {
            background: #fff;
            border: 1px solid var(--border) !important;
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-wrapper .accordion-button {
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            box-shadow: none !important;
            gap: 12px;
        }

        .faq-wrapper .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.03);
        }

        .faq-wrapper .accordion-button::after {
            background-size: 16px;
            flex-shrink: 0;
        }

        .faq-wrapper .accordion-body {
            padding: 0 26px 22px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.85), rgba(79, 70, 229, 0.7));
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-section .btn-cta {
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            padding: 16px 40px;
            border-radius: 100px;
            border: none;
            box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
            transition: var(--transition);
        }

        .cta-section .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(6, 182, 212, 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #94a3b8;
            padding: 60px 0 0;
        }

        .site-footer .footer-brand {
            margin-bottom: 30px;
        }

        .site-footer .footer-brand .brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand .brand-name i {
            color: var(--primary-light);
            font-size: 22px;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #64748b;
            margin: 0;
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 18px;
            margin-top: 10px;
        }

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

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

        .site-footer .footer-links a {
            font-size: 14px;
            color: #64748b;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-contact {
            font-size: 14px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #64748b;
        }

        .site-footer .footer-contact i {
            color: var(--primary-light);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            margin-top: 40px;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #475569;
            margin: 0;
        }

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

            .section-header h2 {
                font-size: 30px;
            }

            .hero h1 {
                font-size: 44px;
            }

            .hero {
                padding: 100px 0 90px;
            }

            .site-header .search-box .form-control {
                width: 140px;
            }

            .site-header .search-box .form-control:focus {
                width: 180px;
            }

            .site-header .nav-links {
                margin-left: 12px;
                gap: 0;
            }

            .site-header .nav-links .nav-link {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

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

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

            .section-header h2 {
                font-size: 26px;
            }

            .hero {
                padding: 80px 0 70px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero .hero-desc {
                font-size: 16px;
            }

            .hero-stats {
                gap: 24px;
                padding: 22px;
            }

            .hero-stats .stat-num {
                font-size: 24px;
            }

            .about-section .about-content {
                padding-right: 0;
            }

            .about-image img {
                height: 320px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 20px;
            }

            .news-item .news-icon {
                width: 44px;
                height: 44px;
                min-width: 44px;
                font-size: 18px;
            }

            .news-item .news-excerpt {
                white-space: normal;
                max-width: 100%;
            }

            .site-header .navbar-collapse {
                background: #fff;
                border-top: 1px solid var(--border);
                padding: 16px 0;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            }

            .site-header .nav-links {
                flex-direction: column;
                align-items: flex-start;
                margin-left: 0;
                gap: 4px;
                width: 100%;
            }

            .site-header .nav-links .nav-link {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
                font-size: 16px;
            }

            .site-header .nav-links .nav-link.active::after {
                display: none;
            }

            .site-header .nav-actions {
                width: 100%;
                padding: 12px 16px 4px;
                flex-wrap: wrap;
            }

            .site-header .search-box {
                flex: 1;
            }

            .site-header .search-box .form-control {
                width: 100% !important;
            }

            .site-header .btn-login {
                width: 100%;
                margin-top: 8px;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-buttons .btn {
                width: 100%;
                text-align: center;
            }

            .hero-stats {
                flex-direction: column;
                gap: 14px;
                width: 100%;
            }

            .hero-stats .stat-item {
                flex-direction: row;
                align-items: baseline;
                gap: 10px;
            }

            .hero-stats .stat-label {
                margin-top: 0;
            }

            .about-list {
                grid-template-columns: 1fr;
            }

            .news-item {
                padding: 18px;
            }

            .news-item .news-title {
                font-size: 15px;
            }

            .news-item .news-excerpt {
                font-size: 13px;
            }

            .process-step {
                padding: 26px 20px;
            }

            .process-step .step-icon {
                width: 52px;
                height: 52px;
                font-size: 20px;
            }

            .advantage-card {
                padding: 24px 18px;
            }

            .faq-wrapper .accordion-button {
                padding: 18px;
                font-size: 14px;
            }

            .faq-wrapper .accordion-body {
                padding: 0 18px 18px;
                font-size: 14px;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section .btn-cta {
                padding: 14px 30px;
                font-size: 15px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #5b4cff;
            --primary-dark: #4436d6;
            --primary-light: #eceaff;
            --accent: #ff7a45;
            --accent-light: #fff1eb;
            --dark: #1a1d2d;
            --dark-2: #242839;
            --body-bg: #ffffff;
            --bg-light: #f7f8fd;
            --bg-gradient: linear-gradient(135deg, #5b4cff 0%, #7b6bff 50%, #a78bfa 100%);
            --text: #2d3148;
            --text-muted: #6b7089;
            --border: #e8eaf3;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(30, 35, 80, 0.06);
            --shadow-md: 0 8px 30px rgba(30, 35, 80, 0.08);
            --shadow-lg: 0 20px 50px rgba(30, 35, 80, 0.12);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--dark);
            font-weight: 700;
            line-height: 1.35;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ========== 头部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            transition: var(--transition);
        }

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

        .site-header .navbar {
            padding: 0;
            min-height: 56px;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-right: 32px;
            padding: 0;
        }

        .brand-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-gradient);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(91, 76, 255, 0.35);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text span {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.02em;
        }

        .brand-text small {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 0.12em;
            font-weight: 600;
        }

        .site-header .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .site-header .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            position: relative;
            transition: var(--transition);
        }

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

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

        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .site-header .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: 20px;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box .search-icon {
            position: absolute;
            right: 12px;
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
            z-index: 2;
        }

        .search-box .form-control {
            width: 180px;
            height: 38px;
            border-radius: 20px;
            padding: 8px 36px 8px 16px;
            font-size: 13px;
            background: var(--bg-light);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .search-box .form-control:focus {
            width: 210px;
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(91, 76, 255, 0.12);
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 38px;
            padding: 0 22px;
            border-radius: 20px;
            background: var(--bg-gradient);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(91, 76, 255, 0.30);
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(91, 76, 255, 0.40);
            color: #fff;
        }

        .site-header .navbar-toggler {
            border: none;
            padding: 8px 10px;
            color: var(--dark);
            font-size: 20px;
            background: transparent;
            border-radius: var(--radius-sm);
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(91, 76, 255, 0.15);
        }

        @media (max-width: 991.98px) {
            .site-header .nav-links {
                flex-direction: column;
                align-items: flex-start;
                margin: 16px 0 8px;
                gap: 6px;
                width: 100%;
            }

            .site-header .nav-link {
                padding: 10px 12px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .site-header .nav-actions {
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                margin-bottom: 12px;
                gap: 10px;
            }

            .search-box {
                position: relative;
                width: 100%;
            }

            .search-box .form-control,
            .search-box .form-control:focus {
                width: 100%;
            }

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

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

        @media (max-width: 520px) {
            .brand-text small {
                display: none;
            }

            .brand-text span {
                font-size: 16px;
            }

            .brand-badge {
                width: 38px;
                height: 38px;
                font-size: 18px;
            }
        }

        /* ========== 内页 Banner ========== */
        .page-banner {
            position: relative;
            padding: 90px 0 70px;
            background: linear-gradient(135deg, rgba(26, 29, 45, 0.85) 0%, rgba(91, 76, 255, 0.75) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 122, 69, 0.15);
            pointer-events: none;
        }

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

        .page-banner .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 30px;
            backdrop-filter: blur(8px);
            margin-bottom: 28px;
            font-size: 13px;
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .page-banner .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.5);
        }

        .page-banner .breadcrumb span {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

        .page-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 60px 0 50px;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .page-banner p {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 25px;
            }
        }

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

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

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .section-desc {
                font-size: 15px;
            }
        }

        /* ========== 指南概览 ========== */
        .overview-grid {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .overview-media {
            flex: 1 1 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .overview-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .overview-media:hover img {
            transform: scale(1.03);
        }

        .overview-content {
            flex: 1 1 360px;
        }

        .overview-content .section-tag {
            margin-bottom: 14px;
        }

        .overview-content h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--dark);
        }

        .overview-content > p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 32px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: var(--primary);
            background: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .feature-item .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .feature-item .feature-text h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
            color: var(--dark);
        }

        .feature-item .feature-text p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            background: var(--bg-gradient);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: none;
            box-shadow: 0 6px 20px rgba(91, 76, 255, 0.30);
            transition: var(--transition);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(91, 76, 255, 0.45);
            color: #fff;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            border: 2px solid var(--primary);
            transition: var(--transition);
        }

        .btn-outline-custom:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        @media (max-width: 991px) {
            .overview-grid {
                gap: 32px;
            }

            .overview-media img {
                height: 300px;
            }
        }

        @media (max-width: 520px) {
            .overview-content h2 {
                font-size: 24px;
            }
        }

        /* ========== 玩法分类卡片 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 24px;
            border: 1px solid var(--border);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--bg-gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

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

        .category-card .category-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 20px;
            background: var(--primary-light);
            color: var(--primary);
            transition: var(--transition);
        }

        .category-card:hover .category-icon {
            background: var(--bg-gradient);
            color: #fff;
            transform: scale(1.08);
        }

        .category-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .category-card .card-link i {
            font-size: 12px;
            transition: transform 0.3s;
        }

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

        @media (max-width: 991px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 实操流程 ========== */
        .step-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .step-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -100px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(91, 76, 255, 0.2);
            filter: blur(60px);
        }

        .step-section .section-title,
        .step-section .section-desc {
            color: #fff;
        }

        .step-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .step-section .section-tag {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .step-list {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
            padding: 32px 20px 24px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: var(--transition);
            position: relative;
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-gradient);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(91, 76, 255, 0.4);
            counter-increment: step;
            position: relative;
        }

        .step-num::after {
            content: '';
            position: absolute;
            top: -6px;
            right: -6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid #fff;
        }

        .step-item h3 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .step-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 991px) {
            .step-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .step-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .step-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 热门指南列表 ========== */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .guide-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: pointer;
        }

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

        .guide-item .guide-rank {
            font-size: 32px;
            font-weight: 800;
            color: var(--border);
            min-width: 44px;
            text-align: center;
            transition: var(--transition);
        }

        .guide-item:nth-child(1) .guide-rank,
        .guide-item:nth-child(2) .guide-rank,
        .guide-item:nth-child(3) .guide-rank {
            color: var(--bg-gradient);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .guide-item .guide-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
            transition: var(--transition);
        }

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

        .guide-item .guide-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .guide-item .guide-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .guide-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .guide-tag.tag-primary {
            background: var(--primary-light);
            color: var(--primary);
            border-color: transparent;
        }

        .guide-tag.tag-accent {
            background: var(--accent-light);
            color: var(--accent);
            border-color: transparent;
        }

        .guide-item .guide-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .guide-item .guide-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .guide-item .guide-meta i {
            font-size: 12px;
            color: var(--primary);
        }

        .guide-item .btn-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .guide-item:hover .btn-arrow {
            background: var(--bg-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .guide-item {
                padding: 18px;
                gap: 14px;
            }

            .guide-item .guide-rank {
                font-size: 26px;
                min-width: 32px;
            }

            .guide-item .guide-tags {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .guide-item {
                flex-wrap: wrap;
            }

            .guide-item .btn-arrow {
                margin-left: auto;
            }
        }

        /* ========== 数据统计条 ========== */
        .stats-bar {
            background: var(--bg-gradient);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .stats-bar::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .stats-bar::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: 10%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .stat-item {
            text-align: center;
            color: #fff;
            position: relative;
            z-index: 2;
        }

        .stat-item .stat-num {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 40px 24px;
            }
        }

        @media (max-width: 520px) {
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-wrapper .accordion-item:last-of-type {
            margin-bottom: 0;
        }

        .faq-wrapper .accordion-header {
            background: #fff;
        }

        .faq-wrapper .accordion-button {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            background: #fff;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

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

        .faq-wrapper .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(91, 76, 255, 0.12);
            outline: none;
        }

        .faq-wrapper .accordion-button::after {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            background: none;
            width: auto;
            height: auto;
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-wrapper .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-wrapper .accordion-body {
            padding: 8px 24px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            margin-top: 0;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #3d2aa0 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -50px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

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

        .cta-content h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin: 0;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 30px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 30px;
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-section {
                flex-direction: column;
                padding: 48px 32px;
                text-align: center;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn-cta-primary,
            .btn-cta-outline {
                justify-content: center;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #181b2a;
            color: rgba(255, 255, 255, 0.65);
            padding: 64px 0 0;
            margin-top: 80px;
        }

        .site-footer .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .site-footer .brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }

        .site-footer .brand-name i {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-gradient);
            color: #fff;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--bg-gradient);
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 0;
            padding: 0;
        }

        .site-footer .footer-links li a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            padding: 2px 0;
        }

        .site-footer .footer-links li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-links li a i {
            font-size: 11px;
            color: var(--primary);
            transition: var(--transition);
        }

        .site-footer .footer-links li a:hover i {
            transform: translateX(3px);
        }

        .site-footer .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .site-footer .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer .footer-contact span i {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            margin-top: 48px;
        }

        .site-footer .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer .footer-bottom p i {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 48px 0 0;
            }

            .site-footer .footer-bottom .container {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .site-footer .footer-brand,
            .site-footer h4 {
                margin-bottom: 16px;
            }
        }

        @media (max-width: 520px) {
            .site-footer .brand-name {
                font-size: 18px;
            }
        }

        /* ========== 通用按钮焦点状态 ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(91, 76, 255, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 平滑滚动 ========== */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
            --primary: #3b82f6;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --dark: #0f1724;
            --dark-2: #1e293b;
            --bg: #f4f7fb;
            --card: #ffffff;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 20px 40px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        a:hover {
            color: inherit;
            text-decoration: none;
        }

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

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 80px 0;
        }

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

        .section-tag {
            display: inline-block;
            background: rgba(59, 130, 246, 0.1);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .section-head p {
            color: var(--text-weak);
            font-size: 1.02rem;
            max-width: 640px;
            margin: 0 auto;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 30px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(59, 130, 246, 0.4);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 50px;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .site-header {
            background: rgba(15, 23, 36, 0.96);
            backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 24px rgba(15, 23, 42, 0.25);
        }

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

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0;
            margin-right: 28px;
        }

        .site-header .navbar-brand:hover {
            opacity: 0.92;
        }

        .brand-badge {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text span {
            color: #fff;
            font-size: 1.12rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-text small {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.62rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 9px 18px;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .search-box {
            position: relative;
        }

        .search-box .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            z-index: 10;
            pointer-events: none;
        }

        .search-box .form-control {
            width: 220px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            color: #fff;
            padding: 9px 18px 9px 40px;
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .search-box .form-control::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .search-box .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(59, 130, 246, 0.6);
            box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
            color: #fff;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #0f1724;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 24px;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            white-space: nowrap;
            border: none;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.4);
            color: #0f1724;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 12px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-toggler i {
            color: #fff;
            font-size: 1rem;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: none;
            border-color: rgba(59, 130, 246, 0.6);
        }

        .article-banner {
            position: relative;
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 58, 138, 0.78)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0 64px;
            color: #fff;
            border-bottom: 3px solid rgba(59, 130, 246, 0.3);
        }

        .article-banner .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }

        .article-banner .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.3s;
        }

        .article-banner .breadcrumb-nav a:hover {
            color: #fff;
        }

        .article-banner .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.35);
            font-size: 0.7rem;
        }

        .banner-cat {
            display: inline-block;
            background: rgba(59, 130, 246, 0.25);
            border: 1px solid rgba(96, 165, 250, 0.4);
            color: #dbeafe;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            max-width: 800px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .banner-meta i {
            color: rgba(255, 255, 255, 0.5);
        }

        .article-content-section {
            padding: 60px 0 80px;
        }

        .article-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }

        .article-cover {
            position: relative;
            height: 380px;
            overflow: hidden;
            background: var(--dark-2);
        }

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

        .article-card:hover .article-cover img {
            transform: scale(1.03);
        }

        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.15), transparent);
            pointer-events: none;
        }

        .article-body {
            padding: 40px;
        }

        .article-body> :first-child {
            margin-top: 0;
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin: 1.8em 0 0.8em;
            padding-bottom: 0.5em;
            border-bottom: 2px solid var(--border);
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
            margin: 1.5em 0 0.6em;
        }

        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin: 1.3em 0 0.5em;
        }

        .article-body p {
            margin-bottom: 1.2em;
            line-height: 1.9;
            color: #334155;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.6em;
        }

        .article-body li {
            margin-bottom: 0.45em;
            line-height: 1.8;
        }

        .article-body strong {
            color: var(--dark);
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--primary-dark);
        }

        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
            margin: 1.2em 0;
            box-shadow: var(--shadow);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(59, 130, 246, 0.06);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5em 0;
            color: #334155;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1.5em;
            font-size: 0.95rem;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-body table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--dark);
        }

        .article-body table tr:nth-child(even) {
            background: #fafbfc;
        }

        .article-body code {
            background: #f1f5f9;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.88em;
            color: #0f1724;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 28px 40px 12px;
            margin-top: 0;
            border-top: 1px solid var(--border);
        }

        .article-tags .tag-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-weak);
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 4px;
        }

        .tag-item {
            display: inline-block;
            background: rgba(59, 130, 246, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            border: 1px solid rgba(59, 130, 246, 0.15);
            transition: var(--transition);
            cursor: default;
        }

        .tag-item:hover {
            background: rgba(59, 130, 246, 0.15);
            transform: translateY(-1px);
        }

        .not-found-box {
            text-align: center;
            padding: 80px 40px;
        }

        .not-found-icon {
            width: 96px;
            height: 96px;
            margin: 0 auto 24px;
            background: linear-gradient(135deg, #eef2f7, #e2e8f0);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-weak);
            font-size: 2.2rem;
        }

        .not-found-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-weak);
            font-size: 1rem;
            margin-bottom: 28px;
        }

        .article-sidebar {
            position: sticky;
            top: 104px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease;
        }

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

        .sidebar-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }

        .sidebar-card h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid #f1f5f9;
            font-size: 0.9rem;
            color: #334155;
            line-height: 1.5;
        }

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

        .info-list li i {
            color: var(--primary);
            font-size: 0.95rem;
            margin-top: 4px;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .channel-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .channel-list li a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: #f8fafc;
            border: 1px solid #eef2f7;
            border-radius: 14px;
            transition: var(--transition);
        }

        .channel-list li a:hover {
            background: rgba(59, 130, 246, 0.06);
            border-color: rgba(59, 130, 246, 0.2);
            transform: translateX(4px);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
        }

        .channel-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .channel-icon.blue {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
        }

        .channel-icon.orange {
            background: linear-gradient(135deg, #f59e0b, #f97316);
        }

        .channel-icon.green {
            background: linear-gradient(135deg, #10b981, #059669);
        }

        .channel-list li a>span:nth-child(2) {
            display: flex;
            flex-direction: column;
            flex: 1;
            min-width: 0;
        }

        .channel-list li strong {
            font-size: 0.92rem;
            color: var(--dark);
            font-weight: 700;
        }

        .channel-list li small {
            font-size: 0.76rem;
            color: var(--text-weak);
            margin-top: 2px;
        }

        .channel-list li a>i {
            color: var(--text-weak);
            font-size: 0.8rem;
            transition: transform 0.3s;
        }

        .channel-list li a:hover>i {
            transform: translateX(4px);
            color: var(--primary);
        }

        .safe-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .safe-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: #334155;
        }

        .safe-list li i {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
            font-size: 0.7rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .explore-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .explore-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 300px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: block;
            color: #fff;
        }

        .explore-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            color: #fff;
        }

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

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

        .explore-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.35) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 30px;
        }

        .explore-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 16px;
        }

        .explore-overlay h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .explore-overlay p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 14px;
        }

        .btn-explore {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            transition: gap 0.3s;
            padding: 0;
            background: none;
            border: none;
        }

        .explore-card:hover .btn-explore {
            gap: 14px;
            color: #fff;
        }

        .cta-section {
            padding: 80px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: rgba(59, 130, 246, 0.2);
            border-radius: 50%;
            filter: blur(80px);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80%;
            left: -10%;
            width: 360px;
            height: 360px;
            background: rgba(245, 158, 11, 0.12);
            border-radius: 50%;
            filter: blur(90px);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 28px;
            background: linear-gradient(135deg, #1d4ed8, #3b82f6);
            border-radius: 28px;
            padding: 48px 56px;
            color: #fff;
            box-shadow: 0 20px 50px rgba(29, 78, 216, 0.35);
        }

        .cta-inner h2 {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .cta-inner p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.98rem;
            padding: 14px 34px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(15, 23, 42, 0.3);
            color: var(--primary-dark);
            background: #f8fafc;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 72px;
        }

        .site-footer .footer-brand .brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-name i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }

        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .site-footer .footer-links a i {
            font-size: 0.7rem;
            color: var(--primary);
        }

        .site-footer .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .site-footer .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer .footer-contact span i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 56px;
            padding: 20px 0;
        }

        .site-footer .footer-bottom .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .site-footer .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        .site-footer .footer-bottom p i {
            color: rgba(59, 130, 246, 0.6);
        }

        @media (max-width: 1024px) {
            .article-banner {
                padding: 64px 0 48px;
            }

            .article-banner h1 {
                font-size: 2rem;
            }

            .article-cover {
                height: 320px;
            }

            .cta-inner {
                padding: 40px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(15, 23, 36, 0.98);
                padding: 24px;
                border-radius: 16px;
                margin-top: 16px;
                box-shadow: 0 20px 40px rgba(15, 23, 42, 0.3);
                border: 1px solid rgba(255, 255, 255, 0.06);
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                margin-bottom: 20px;
            }

            .nav-links .nav-link {
                padding: 12px 20px;
                text-align: left;
                border-radius: 10px;
            }

            .nav-actions {
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                gap: 12px;
            }

            .search-box .form-control {
                width: 100%;
            }

            .btn-login {
                justify-content: center;
            }

            .article-sidebar {
                position: static;
                margin-top: 32px;
            }

            .article-body {
                padding: 28px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

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

            .article-banner h1 {
                font-size: 1.6rem;
            }

            .article-banner {
                padding: 48px 0 36px;
            }

            .banner-meta {
                gap: 12px;
                font-size: 0.82rem;
            }

            .article-cover {
                height: 240px;
            }

            .article-body {
                padding: 24px;
                font-size: 0.95rem;
            }

            .article-tags {
                padding: 20px 24px 8px;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px;
                border-radius: 20px;
            }

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

            .explore-card {
                height: 240px;
                margin-bottom: 16px;
            }

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

            .site-footer .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .brand-text span {
                font-size: 0.95rem;
            }

            .brand-badge {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .article-banner h1 {
                font-size: 1.35rem;
            }

            .article-banner {
                padding: 40px 0 32px;
            }

            .banner-meta {
                flex-direction: column;
                gap: 6px;
            }

            .article-cover {
                height: 200px;
            }

            .article-body {
                padding: 20px;
                font-size: 0.92rem;
            }

            .article-body h2 {
                font-size: 1.25rem;
            }

            .article-body h3 {
                font-size: 1.05rem;
            }

            .not-found-box {
                padding: 48px 24px;
            }

            .not-found-icon {
                width: 72px;
                height: 72px;
                font-size: 1.6rem;
            }

            .not-found-box h2 {
                font-size: 1.3rem;
            }

            .sidebar-card {
                padding: 20px;
            }

            .cta-inner {
                padding: 28px 20px;
            }

            .cta-inner h2 {
                font-size: 1.2rem;
            }

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

            .site-footer .footer-bottom p {
                font-size: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #5b4ee0;
    --primary-dark: #4338ca;
    --primary-light: #eef0fd;
    --accent: #ffb84d;
    --accent-dark: #f59e0b;
    --accent-light: #fff5e5;
    --dark: #11143a;
    --dark-2: #1b1f4d;
    --body-bg: #f4f5fb;
    --card-bg: #ffffff;
    --text: #1e2344;
    --text-weak: #67708e;
    --border: #e6e8f2;
    --radius: 18px;
    --radius-sm: 12px;
    --radius-lg: 26px;
    --shadow: 0 10px 30px rgba(36, 36, 80, .08);
    --shadow-hover: 0 18px 40px rgba(36, 36, 80, .14);
    --transition: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--body-bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; }
input:focus, textarea:focus, button:focus, a:focus { outline: 3px solid rgba(91, 78, 224, .25); outline-offset: 2px; }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
/* ========== Header ========== */
.site-header {
    background: rgba(255, 255, 255, .98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1050;
    box-shadow: 0 4px 22px rgba(20, 20, 60, .05);
}
.site-header .navbar { padding: 14px 0; gap: 20px; }
.navbar-brand { display: flex; align-items: center; gap: 12px; margin: 0; padding: 0; }
.brand-badge {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 20px; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    box-shadow: 0 6px 16px rgba(91, 78, 224, .35);
    letter-spacing: 1px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text span { font-size: 19px; font-weight: 800; color: var(--dark); letter-spacing: .5px; }
.brand-text small { font-size: 10px; color: var(--text-weak); letter-spacing: 1.5px; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.nav-links .nav-link {
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: 30px;
    position: relative;
    display: flex; align-items: center; gap: 6px;
}
.nav-links .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-links .nav-link.active {
    color: var(--primary);
    font-weight: 700;
    background: var(--primary-light);
}
.nav-links .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px; left: 50%; transform: translateX(-50%);
    width: 20px; height: 3px;
    background: var(--primary);
    border-radius: 4px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.search-box {
    display: flex; align-items: center;
    background: #f2f3fa;
    border-radius: 50px;
    padding: 0 8px 0 16px;
    border: 1px solid transparent;
    transition: var(--transition);
    width: 220px;
}
.search-box:hover, .search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(91, 78, 224, .08); }
.search-icon { color: var(--text-weak); font-size: 13px; margin-right: 6px; }
.search-box .form-control { border: none; background: transparent; box-shadow: none; font-size: 13px; padding: 8px 0; width: 100%; color: var(--text); }
.search-box .form-control::placeholder { color: #9aa1b8; }
.btn-login {
    display: inline-flex; align-items: center; gap: 6px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 14px; font-weight: 600;
    padding: 9px 22px;
    border-radius: 50px;
    box-shadow: 0 6px 16px rgba(91, 78, 224, .32);
    transition: var(--transition);
    border: none;
}
.btn-login:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(91, 78, 224, .42); color: #fff; }
.navbar-toggler { border: none; font-size: 20px; color: var(--dark); padding: 8px 10px; border-radius: 10px; background: #f2f3fa; }
.navbar-toggler:hover { background: var(--primary-light); color: var(--primary); }
@media (max-width: 991.98px) {
    .nav-links { margin: 16px 0 0; flex-direction: column; align-items: stretch; gap: 6px; }
    .nav-links .nav-link { justify-content: flex-start; }
    .nav-actions { flex-direction: column; width: 100%; margin-top: 12px; }
    .search-box { width: 100%; }
    .btn-login { width: 100%; justify-content: center; }
}
/* ========== 分类 Banner ========== */
.category-hero {
    position: relative;
    padding: 80px 0 90px;
    background: linear-gradient(105deg, rgba(17, 20, 58, .94), rgba(27, 31, 77, .86)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    color: #fff;
    overflow: hidden;
}
.category-hero::after {
    content: "";
    position: absolute;
    right: -80px; top: -80px;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 184, 77, .35), transparent 70%);
    pointer-events: none;
}
.category-hero .breadcrumb { margin-bottom: 20px; background: rgba(255, 255, 255, .08); padding: 8px 18px; border-radius: 30px; display: inline-flex; font-size: 13px; }
.category-hero .breadcrumb a { color: rgba(255, 255, 255, .75); }
.category-hero .breadcrumb a:hover { color: var(--accent); }
.category-hero .breadcrumb .sep { margin: 0 8px; color: rgba(255, 255, 255, .5); }
.category-hero h1 {
    font-size: 46px;
    font-weight: 800;
    letter-spacing: 1px;
    margin-bottom: 16px;
    line-height: 1.25;
}
.category-hero h1 .highlight { color: var(--accent); position: relative; }
.category-hero p.lead { font-size: 17px; color: rgba(255, 255, 255, .82); max-width: 600px; margin-bottom: 28px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags .tag-chip {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    color: rgba(255, 255, 255, .92);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    backdrop-filter: blur(6px);
    transition: var(--transition);
}
.hero-tags .tag-chip:hover { background: var(--accent); border-color: var(--accent); color: var(--dark); }
.hero-stats {
    display: flex; gap: 30px; margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, .15);
}
.hero-stats .stat-item { display: flex; flex-direction: column; }
.hero-stats .stat-num { font-size: 30px; font-weight: 800; color: var(--accent); }
.hero-stats .stat-label { font-size: 13px; color: rgba(255, 255, 255, .7); }
@media (max-width: 767.98px) {
    .category-hero { padding: 52px 0 56px; }
    .category-hero h1 { font-size: 30px; }
    .hero-stats { gap: 18px; flex-wrap: wrap; }
    .hero-stats .stat-item { flex: 1 1 auto; }
}
/* ========== 通用板块 ========== */
.section-block { padding: 70px 0; }
.section-head { margin-bottom: 40px; }
.section-head .overline {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--primary);
    font-size: 13px; font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-head .overline::before { content: ""; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--dark); margin-bottom: 10px; line-height: 1.3; }
.section-head p { color: var(--text-weak); font-size: 15px; max-width: 560px; }
@media (max-width: 767.98px) {
    .section-block { padding: 50px 0; }
    .section-head h2 { font-size: 24px; }
}
/* ========== 资讯要闻 ========== */
.feature-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
.feature-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    min-height: 420px;
    display: flex; align-items: flex-end;
    transition: var(--transition);
    background: var(--dark);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: transform .5s; }
.feature-card:hover img { transform: scale(1.04); }
.feature-card .feature-overlay {
    position: relative; z-index: 2;
    padding: 36px;
    background: linear-gradient(to top, rgba(10, 12, 35, .95), rgba(10, 12, 35, 0));
    width: 100%;
}
.feature-card .feature-badge {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    font-size: 12px; font-weight: 700;
    padding: 4px 14px; border-radius: 30px;
    margin-bottom: 10px;
}
.feature-card h3 { font-size: 24px; font-weight: 800; color: #fff; line-height: 1.4; margin-bottom: 10px; }
.feature-card .meta { color: rgba(255, 255, 255, .75); font-size: 13px; display: flex; gap: 16px; }
.side-features { display: flex; flex-direction: column; gap: 18px; }
.side-feature {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex; gap: 16px;
    transition: var(--transition);
    flex: 1;
}
.side-feature:hover { box-shadow: var(--shadow-hover); transform: translateX(4px); border-color: rgba(91, 78, 224, .3); }
.side-feature .thumb { flex: 0 0 116px; border-radius: var(--radius-sm); overflow: hidden; position: relative; }
.side-feature .thumb img { width: 100%; height: 100%; object-fit: cover; min-height: 96px; }
.side-feature .content-info { display: flex; flex-direction: column; justify-content: center; }
.side-feature .tag { font-size: 12px; color: var(--primary); font-weight: 700; margin-bottom: 6px; }
.side-feature h4 { font-size: 17px; font-weight: 700; line-height: 1.5; color: var(--dark); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-feature .meta { font-size: 12px; color: var(--text-weak); display: flex; gap: 14px; }
@media (max-width: 991.98px) {
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card { min-height: 320px; }
}
/* ========== 资讯列表 ========== */
.news-list-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.news-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-btn {
    padding: 7px 18px;
    border-radius: 30px;
    font-size: 13px; font-weight: 600;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-weak);
    transition: var(--transition);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.filter-btn.active { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-color: transparent; box-shadow: 0 4px 14px rgba(91, 78, 224, .3); }
.news-item {
    display: flex; gap: 20px;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-item .news-cover { flex: 0 0 180px; border-radius: var(--radius-sm); overflow: hidden; }
.news-item .news-cover img { width: 100%; height: 130px; object-fit: cover; transition: transform .4s; }
.news-item:hover .news-cover img { transform: scale(1.06); }
.news-item .news-body { flex: 1; display: flex; flex-direction: column; }
.news-item .news-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; font-size: 12px; color: var(--text-weak); }
.news-item .news-meta .cate {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 12px;
}
.news-item h3 { font-size: 18px; font-weight: 700; color: var(--dark); line-height: 1.5; margin-bottom: 8px; }
.news-item h3 a:hover { color: var(--primary); }
.news-item .news-excerpt { font-size: 14px; color: var(--text-weak); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.news-item .news-footer { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-weak); margin-top: auto; }
.news-item .news-footer a { color: var(--primary); font-weight: 600; font-size: 13px; }
.news-item .news-footer a:hover { text-decoration: underline; }
/* 侧栏 */
.news-sidebar { display: flex; flex-direction: column; gap: 26px; position: sticky; top: 90px; }
.sidebar-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.sidebar-card h4 { font-size: 18px; font-weight: 800; color: var(--dark); margin-bottom: 18px; padding-left: 14px; border-left: 4px solid var(--accent); }
.hot-rank li { display: flex; gap: 14px; align-items: center; padding: 13px 0; border-bottom: 1px dashed var(--border); }
.hot-rank li:last-child { border-bottom: none; }
.hot-rank .rank-num {
    flex: 0 0 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    background: #f2f3fa;
    border-radius: 8px;
    font-size: 13px; font-weight: 800; color: var(--text-weak);
}
.hot-rank li:nth-child(-n+3) .rank-num { background: linear-gradient(135deg, var(--accent), #ffd28a); color: var(--dark); }
.hot-rank .rank-title { flex: 1; font-size: 14px; font-weight: 600; line-height: 1.5; color: var(--text); }
.hot-rank .rank-title:hover { color: var(--primary); }
.hot-rank .rank-views { font-size: 12px; color: var(--text-weak); white-space: nowrap; }
.sidebar-tags .tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tags-cloud .tag-item {
    padding: 6px 14px;
    background: #f4f5fb;
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-weak);
    transition: var(--transition);
    border: 1px solid transparent;
}
.tags-cloud .tag-item:hover { background: var(--primary-light); color: var(--primary); border-color: rgba(91, 78, 224, .3); }
.tags-cloud .tag-item.hot { background: var(--accent-light); color: var(--accent-dark); }
@media (max-width: 991.98px) {
    .news-list-wrap { grid-template-columns: 1fr; }
    .news-sidebar { position: static; }
}
@media (max-width: 767.98px) {
    .news-item { flex-direction: column; }
    .news-item .news-cover { flex: 0 0 auto; width: 100%; }
    .news-item .news-cover img { height: 190px; }
}
/* ========== 游戏前瞻卡片 ========== */
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.preview-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex; flex-direction: column;
}
.preview-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.preview-card .preview-img { position: relative; height: 180px; overflow: hidden; }
.preview-card .preview-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.preview-card:hover .preview-img img { transform: scale(1.07); }
.preview-card .preview-img .type-badge {
    position: absolute; top: 14px; left: 14px;
    background: rgba(255, 255, 255, .92);
    color: var(--primary);
    font-size: 12px; font-weight: 700;
    padding: 4px 12px; border-radius: 20px;
    backdrop-filter: blur(6px);
}
.preview-card .preview-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.preview-card .preview-body h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.5; }
.preview-card .preview-body h3:hover { color: var(--primary); }
.preview-card .preview-body p { font-size: 14px; color: var(--text-weak); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.preview-card .preview-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-weak); }
.preview-card .preview-footer .status { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.status-live { color: #22c55e; }
.status-soon { color: var(--accent-dark); }
.status-live::before { content: ""; width: 7px; height: 7px; background: #22c55e; border-radius: 50%; animation: pulse 1.6s infinite; }
.status-soon::before { content: ""; width: 7px; height: 7px; background: var(--accent-dark); border-radius: 50%; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
@media (max-width: 991.98px) {
    .preview-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640.98px) {
    .preview-grid { grid-template-columns: 1fr; }
}
/* ========== FAQ ========== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: rgba(91, 78, 224, .35); box-shadow: var(--shadow); }
.faq-item .faq-question {
    width: 100%;
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px;
    font-size: 16px; font-weight: 700; color: var(--dark);
    background: none;
    text-align: left;
    gap: 16px;
}
.faq-item .faq-question .icon { flex: 0 0 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-size: 14px; transition: var(--transition); }
.faq-item.active .faq-question .icon { background: var(--primary); color: #fff; transform: rotate(180deg); }
.faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    padding: 0 24px;
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.9;
}
.faq-item.active .faq-answer { max-height: 400px; padding: 0 24px 22px; }
/* ========== CTA ========== */
.cta-section {
    position: relative;
    background: linear-gradient(120deg, var(--primary), var(--primary-dark)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    border-radius: var(--radius-lg);
    padding: 58px 60px;
    color: #fff;
    overflow: hidden;
    margin: 70px 0;
}
.cta-section::before {
    content: "";
    position: absolute;
    right: -50px; bottom: -50px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(255, 184, 77, .45), transparent 70%);
    border-radius: 50%;
}
.cta-content { position: relative; z-index: 2; }
.cta-section h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; }
.cta-section p { font-size: 16px; opacity: .88; max-width: 480px; margin-bottom: 26px; }
.btn-cta {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--accent); color: var(--dark);
    font-weight: 700; font-size: 15px;
    padding: 14px 32px;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    transition: var(--transition);
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0, 0, 0, .25); color: var(--dark); }
.cta-note { display: block; margin-top: 12px; font-size: 13px; opacity: .75; }
@media (max-width: 767.98px) {
    .cta-section { padding: 40px 26px; margin: 50px 0; }
    .cta-section h2 { font-size: 26px; }
}
/* ========== Footer ========== */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, .8); padding: 60px 0 0; }
.site-footer h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-brand { padding-right: 16px; }
.footer-brand .brand-name { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-brand .brand-name i { color: var(--accent); font-size: 24px; }
.footer-brand p { color: rgba(255, 255, 255, .6); font-size: 14px; line-height: 1.9; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, .65); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--accent); transform: translateX(4px); }
.footer-links a i { font-size: 12px; color: var(--accent); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact span { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .65); }
.footer-contact span i { color: var(--accent); width: 18px; }
.footer-bottom {
    margin-top: 46px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
}
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { color: rgba(255, 255, 255, .5); font-size: 13px; margin: 0; display: flex; align-items: center; gap: 4px; }
@media (max-width: 767.98px) {
    .footer-bottom .container { flex-direction: column; text-align: center; }
    .footer-brand { padding-right: 0; }
}

/* roulang page: category3 */
:root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #eef2ff;
            --accent: #06b6d4;
            --accent-light: #ecfeff;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #0f172a;
            --gray-700: #334155;
            --gray-500: #64748b;
            --gray-300: #cbd5e1;
            --gray-100: #f1f5f9;
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --border: #e2e8f0;
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.5rem;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s ease;
            --font-base: "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-base);
            background-color: var(--bg);
            color: var(--gray-700);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        input:focus,
        button:focus,
        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25) !important;
        }

        .container {
            max-width: 1240px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ========= 顶部导航 ========= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.05);
        }

        .site-header .navbar {
            padding: 0.75rem 0;
            gap: 1rem;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            padding: 0;
            margin: 0;
        }

        .brand-badge {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            font-size: 1.35rem;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text span {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .brand-text small {
            font-size: 0.68rem;
            color: var(--gray-500);
            letter-spacing: 1px;
            font-weight: 600;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            color: var(--primary);
            padding: 0.4rem 0.7rem;
            border-radius: 10px;
            background: var(--primary-light);
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            margin-left: auto;
            margin-right: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-links .nav-link {
            padding: 0.55rem 1.1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-700);
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
        }

        .nav-links .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .nav-links .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box .search-icon {
            position: absolute;
            left: 14px;
            color: var(--gray-500);
            font-size: 0.85rem;
            z-index: 2;
        }

        .search-box .form-control {
            width: 210px;
            height: 40px;
            padding-left: 38px;
            font-size: 0.88rem;
            border: 1px solid var(--border);
            border-radius: 24px;
            background: var(--gray-100);
            transition: var(--transition);
        }

        .search-box .form-control:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1) !important;
        }

        .btn-login {
            padding: 0.5rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 24px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(79, 70, 229, 0.4);
            color: #fff;
        }

        /* ========= 子导航 ========= */
        .category-subnav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0.75rem 0;
        }

        .category-subnav .subnav-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .category-subnav .subnav-list li a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gray-500);
            background: var(--gray-100);
            border-radius: 20px;
            transition: var(--transition);
        }

        .category-subnav .subnav-list li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .category-subnav .subnav-list li a.active {
            color: #fff;
            background: var(--primary);
        }

        /* ========= Hero 横幅 ========= */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(79, 70, 229, 0.75)), url('https://shoumitianshi.com/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 5rem 0 4rem;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at top right, rgba(6, 182, 212, 0.35), transparent 60%);
        }

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

        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 1.1rem;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.2rem;
            backdrop-filter: blur(4px);
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .page-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

        .page-hero .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .page-hero .hero-meta .meta-item i {
            color: var(--accent);
        }

        /* ========= 面包屑 ========= */
        .breadcrumb-bar {
            padding: 1rem 0;
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: 0.85rem;
        }

        .breadcrumb-bar .breadcrumb a {
            color: var(--gray-500);
        }

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

        .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
            color: var(--gray-300);
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }

        /* ========= 通用板块 ========= */
        .section {
            padding: 5rem 0;
        }

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

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3.5rem;
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.35rem 1.2rem;
            border-radius: 24px;
            margin-bottom: 1rem;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }

        .section-header p {
            color: var(--gray-500);
            font-size: 1.02rem;
            line-height: 1.8;
        }

        /* ========= 玩法卡 ========= */
        .guide-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, 0.3);
        }

        .guide-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.25rem;
        }

        .guide-card .card-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            font-size: 1.5rem;
            background: var(--primary-light);
            color: var(--primary);
            transition: var(--transition);
        }

        .guide-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .guide-card .card-num {
            font-size: 2rem;
            font-weight: 800;
            color: rgba(79, 70, 229, 0.12);
            line-height: 1;
        }

        .guide-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.75rem;
        }

        .guide-card p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .guide-card .card-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }

        .guide-card .card-btn:hover {
            gap: 0.7rem;
            color: var(--primary-dark);
        }

        /* ========= 图文教程 ========= */
        .tutorial-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 5rem;
            flex-wrap: wrap;
        }

        .tutorial-row:last-child {
            margin-bottom: 0;
        }

        .tutorial-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .tutorial-media {
            flex: 1 1 45%;
        }

        .tutorial-media .media-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            aspect-ratio: 4 / 3;
        }

        .tutorial-media .media-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .tutorial-media .media-wrap:hover img {
            transform: scale(1.03);
        }

        .tutorial-media .media-badge {
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            padding: 0.4rem 1.1rem;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(6px);
            border-radius: 24px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #fff;
        }

        .tutorial-content {
            flex: 1 1 45%;
        }

        .tutorial-content .step-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 0.3rem 1rem;
            border-radius: 24px;
            margin-bottom: 1rem;
        }

        .tutorial-content h3 {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .tutorial-content .desc {
            color: var(--gray-500);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }

        .tutorial-content .step-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .tutorial-content .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.55rem 0;
            font-size: 0.93rem;
            color: var(--gray-700);
            border-bottom: 1px dashed var(--border);
        }

        .tutorial-content .step-list li:last-child {
            border-bottom: none;
        }

        .tutorial-content .step-list li i {
            color: var(--success);
            margin-top: 0.2rem;
        }

        .tutorial-content .tutorial-btn {
            padding: 0.6rem 1.6rem;
            border-radius: 24px;
        }

        /* ========= 攻略列表 ========= */
        .article-card {
            display: flex;
            gap: 1.25rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            height: 100%;
            transition: var(--transition);
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .article-card .article-thumb {
            width: 110px;
            height: 110px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }

        .article-card .article-body {
            flex: 1;
            min-width: 0;
        }

        .article-card .article-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.2rem 0.8rem;
            border-radius: 16px;
            margin-bottom: 0.5rem;
        }

        .article-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.45rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }

        .article-card:hover h4 {
            color: var(--primary);
        }

        .article-card .article-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--gray-500);
        }

        /* ========= 数据区块 ========= */
        .stats-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1e1b4b 100%);
            color: #fff;
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(79, 70, 229, 0.3);
            border-radius: 50%;
            filter: blur(80px);
        }

        .stats-item {
            text-align: center;
            padding: 1.5rem 1rem;
            position: relative;
        }

        .stats-item .stats-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 0.75rem;
        }

        .stats-item .stats-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.25rem;
        }

        .stats-item .stats-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========= FAQ ========= */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(79, 70, 229, 0.3);
        }

        .faq-item .faq-question {
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-item .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item .faq-question[aria-expanded="true"] .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--gray-500);
            font-size: 0.93rem;
            line-height: 1.8;
        }

        /* ========= CTA ========= */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-lg);
            margin: 5rem 0;
            padding: 3.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.15), transparent 60%);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            position: relative;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            position: relative;
        }

        .cta-section .btn-light-custom {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 0.8rem 2.4rem;
            border-radius: 30px;
            border: none;
            margin: 0 0.4rem;
            transition: var(--transition);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .cta-section .btn-light-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
            color: var(--primary);
        }

        .cta-section .btn-outline-custom {
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2.2rem;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            margin: 0 0.4rem;
            transition: var(--transition);
        }

        .cta-section .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }

        /* ========= 页脚 ========= */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 4rem;
        }

        .site-footer .footer-brand .brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

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

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .site-footer h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.6rem;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 0.6rem;
        }

        .site-footer .footer-links li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .site-footer .footer-links li a i {
            font-size: 0.7rem;
            color: var(--accent);
        }

        .site-footer .footer-links li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-contact span {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0.75rem;
        }

        .site-footer .footer-contact span i {
            width: 32px;
            height: 32px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            background: rgba(0, 0, 0, 0.3);
            padding: 1.2rem 0;
            margin-top: 3.5rem;
        }

        .site-footer .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .site-footer .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        /* ========= 响应式 ========= */
        @media (max-width: 1199.98px) {
            .page-hero h1 {
                font-size: 2.4rem;
            }

            .search-box .form-control {
                width: 170px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding: 1rem 0;
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 0.35rem;
                margin: 0.5rem 0;
            }

            .nav-links .nav-link {
                text-align: center;
                padding: 0.7rem 1rem;
            }

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

            .nav-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 0.75rem;
            }

            .search-box .form-control {
                width: 100%;
            }

            .btn-login {
                text-align: center;
            }

            .page-hero {
                min-height: 360px;
                padding: 3.5rem 0;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .tutorial-row,
            .tutorial-row:nth-child(even) {
                flex-direction: column;
                gap: 2rem;
            }

            .tutorial-media,
            .tutorial-content {
                flex: 1 1 100%;
            }

            .article-card {
                flex-direction: column;
            }

            .article-card .article-thumb {
                width: 100%;
                height: 160px;
            }

            .stats-section {
                padding: 3rem 0;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 3.5rem 0;
            }

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

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

            .page-hero .hero-desc {
                font-size: 0.95rem;
            }

            .page-hero .hero-meta {
                gap: 0.8rem;
            }

            .guide-card {
                padding: 1.4rem;
            }

            .tutorial-content h3 {
                font-size: 1.3rem;
            }

            .stats-item .stats-num {
                font-size: 1.9rem;
            }

            .cta-section {
                padding: 2.5rem 1.5rem;
            }

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

            .btn-light-custom,
            .btn-outline-custom {
                display: block;
                margin: 0.5rem auto;
                max-width: 280px;
                width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .brand-text span {
                font-size: 1.05rem;
            }

            .brand-text small {
                font-size: 0.62rem;
            }

            .page-hero {
                min-height: 320px;
            }

            .page-hero .hero-tag {
                font-size: 0.8rem;
            }

            .guide-card .card-top {
                margin-bottom: 0.75rem;
            }

            .section-header {
                margin-bottom: 2rem;
            }

            .article-card .article-thumb {
                height: 140px;
            }

            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }

            .site-footer .footer-bottom p {
                font-size: 0.75rem;
            }
        }