/* roulang page: index */
:root {
            --primary: #1e3a5f;
            --primary-dark: #14283e;
            --primary-light: #2d5279;
            --accent: #d4a574;
            --accent-dark: #c08d5c;
            --bg: #f8f7f4;
            --surface: #ffffff;
            --surface-soft: #f0ede8;
            --text: #1f2a37;
            --text-weak: #697586;
            --border: #e4e1dc;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 28px;
            --shadow: 0 4px 24px rgba(30, 58, 95, .08);
            --shadow-lg: 0 16px 48px rgba(30, 58, 95, .12);
            --transition: .25s ease;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        :focus-visible {
            outline: 3px solid rgba(212, 165, 116, .55);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 88px 0;
        }
        .section-head {
            max-width: 680px;
            margin-bottom: 52px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(212, 165, 116, .12);
            border: 1px solid rgba(212, 165, 116, .25);
            padding: 5px 16px;
            border-radius: 40px;
            letter-spacing: .04em;
            margin-bottom: 16px;
        }
        .section-tag.light {
            color: #fae3cd;
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .22);
        }
        .section-tag i {
            font-size: 13px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 50px;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn i {
            font-size: 14px;
            transition: transform var(--transition);
        }
        .btn:hover i {
            transform: translateX(4px);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(30, 58, 95, .25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(30, 58, 95, .32);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(30, 58, 95, .2);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(30, 58, 95, .25);
            color: var(--primary);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(30, 58, 95, .05);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, .12);
        }
        .btn-light:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .nav-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            min-height: 76px;
            position: relative;
        }
        .nav-left,
        .nav-right {
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-link {
            padding: 9px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            line-height: 1.4;
        }
        .nav-link:hover {
            background: rgba(30, 58, 95, .06);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(30, 58, 95, .2);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 40px;
            transition: background var(--transition);
        }
        .logo:hover {
            background: rgba(30, 58, 95, .04);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            border-radius: 14px;
            letter-spacing: .02em;
            box-shadow: 0 4px 14px rgba(30, 58, 95, .25);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .01em;
            white-space: nowrap;
        }
        .logo-text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: .08em;
            line-height: 1.2;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--surface);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: all var(--transition);
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1100;
        }
        .nav-toggle:hover {
            border-color: var(--primary);
            background: rgba(30, 58, 95, .04);
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all .3s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            right: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            padding: 14px;
            min-width: 220px;
            z-index: 1050;
            flex-direction: column;
            gap: 4px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all .3s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }
        .mobile-menu a:hover {
            background: rgba(30, 58, 95, .06);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 100px;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(20, 40, 62, .88) 0%, rgba(20, 40, 62, .65) 50%, rgba(20, 40, 62, .35) 100%);
        }
        .hero ::selection {
            background: rgba(212, 165, 116, .45);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 60px;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(6px);
            padding: 7px 18px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: .04em;
            margin-bottom: 24px;
            color: #fae3cd;
        }
        .hero-tag i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-card {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: 0 8px 36px rgba(0, 0, 0, .15);
            position: relative;
        }
        .hero-card::after {
            content: '';
            position: absolute;
            right: -14px;
            top: -14px;
            width: 52px;
            height: 52px;
            background: var(--accent);
            border-radius: 50%;
            opacity: .3;
            filter: blur(2px);
        }
        .hero-card-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--accent);
            text-transform: none;
            margin-bottom: 12px;
        }
        .hero-card p {
            font-size: 16px;
            color: rgba(255, 255, 255, .92);
            line-height: 1.8;
        }
        .hero-card .icon-wrap {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: rgba(212, 165, 116, .25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 16px;
        }

        /* ===== Intro ===== */
        .intro-section {
            background: var(--surface);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .intro-media {
            position: relative;
        }
        .intro-media img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .intro-media::before {
            content: '';
            position: absolute;
            inset: 16px -16px -16px 16px;
            border: 2px solid var(--accent);
            border-radius: var(--radius-lg);
            z-index: 0;
            opacity: .35;
        }
        .intro-media img {
            position: relative;
            z-index: 1;
        }
        .intro-content .section-tag {
            margin-bottom: 18px;
        }
        .intro-content h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .intro-content p {
            color: var(--text-weak);
            margin-bottom: 16px;
            line-height: 1.85;
        }
        .feature-list {
            margin-top: 24px;
            display: grid;
            gap: 12px;
        }
        .feature-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: all var(--transition);
        }
        .feature-list li:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .feature-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 18px;
        }
        .feature-list strong {
            display: block;
            color: var(--primary);
            font-size: 15px;
            margin-bottom: 2px;
        }
        .feature-list span {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ===== Categories ===== */
        .categories-section {
            background: var(--bg);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 165, 116, .5);
        }
        .category-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .category-card:hover .category-cover img {
            transform: scale(1.05);
        }
        .category-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(20, 40, 62, .35));
            pointer-events: none;
        }
        .category-body {
            padding: 26px 28px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .category-body p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 18px;
        }
        .category-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .category-card:hover .category-link {
            gap: 12px;
        }

        /* ===== News ===== */
        .news-section {
            background: var(--surface);
        }
        .news-list {
            display: grid;
            gap: 20px;
        }
        .news-item {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 24px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px;
            transition: all .3s ease;
            align-items: center;
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(30, 58, 95, .2);
            transform: translateX(4px);
        }
        .news-thumb img {
            width: 180px;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .news-main .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .news-meta time {
            font-size: 13px;
            color: var(--text-weak);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            background: rgba(30, 58, 95, .08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 40px;
            letter-spacing: .03em;
        }
        .news-main h3 {
            font-size: 18px;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-main h3 a {
            color: var(--primary);
            transition: color var(--transition);
        }
        .news-main h3 a:hover {
            color: var(--accent-dark);
        }
        .news-main p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .news-more:hover {
            gap: 10px;
        }
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
            color: var(--text-weak);
            font-size: 16px;
        }

        /* ===== Process + Stats ===== */
        .process-section {
            background: var(--bg);
        }
        .process-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 64px;
            align-items: center;
        }
        .process-steps {
            display: grid;
            gap: 18px;
            margin-top: 28px;
        }
        .process-steps li {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: all var(--transition);
        }
        .process-steps li:hover {
            box-shadow: var(--shadow);
            transform: translateX(6px);
        }
        .step-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            min-width: 52px;
            letter-spacing: .02em;
            font-family: "Georgia", serif;
        }
        .process-steps h3 {
            font-size: 17px;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .process-steps p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .stats-panel {
            position: relative;
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            color: #fff;
        }
        .stats-overlay {
            width: 100%;
            padding: 36px;
            background: linear-gradient(180deg, transparent 0%, rgba(20, 40, 62, .82) 60%);
            backdrop-filter: blur(3px);
            -webkit-backdrop-filter: blur(3px);
            border-radius: var(--radius-lg);
        }
        .stats-overlay .section-tag {
            margin-bottom: 20px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .stat-item {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .18);
            transform: translateY(-3px);
        }
        .stat-item strong {
            display: block;
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-item span {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--surface);
        }
        .faq-grid {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: all var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(212, 165, 116, .4);
            box-shadow: var(--shadow);
        }
        .faq-item summary {
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            position: relative;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 24px;
            font-weight: 300;
            color: var(--accent);
            margin-left: auto;
            transition: transform .3s ease;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item p {
            padding: 0 26px 22px 26px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 90px 0;
            color: #fff;
            overflow: hidden;
        }
        .cta-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 40, 62, .92), rgba(20, 40, 62, .7));
            z-index: 1;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .75);
            padding-top: 70px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 15px;
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-links h4,
        .footer-info h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
        }
        .footer-links a {
            display: block;
            padding: 6px 0;
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-info p {
            font-size: 14px;
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            font-size: 14px;
            text-align: center;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 42px;
            }
            .intro-grid {
                gap: 40px;
            }
            .category-grid {
                gap: 20px;
            }
            .process-grid {
                gap: 40px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-inner {
                display: flex;
                justify-content: center;
                min-height: 76px;
            }
            .logo {
                margin: 0 auto;
            }
            .nav-toggle {
                display: flex;
                position: absolute;
                left: 16px;
                right: auto;
                top: 50%;
                transform: translateY(-50%);
            }
            .mobile-menu {
                display: flex;
            }
            .hero {
                padding: 90px 0 70px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-card {
                max-width: 460px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
            }
            .intro-media img {
                height: 300px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                max-width: 460px;
                margin: 0 auto;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-thumb img {
                width: 100%;
                height: 180px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .stats-panel {
                min-height: 360px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .intro-content h2 {
                font-size: 26px;
            }
            .category-body {
                padding: 22px 20px 24px;
            }
            .news-item {
                padding: 14px;
            }
            .news-thumb img {
                height: 160px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-overlay {
                padding: 24px;
            }
            .stat-item strong {
                font-size: 24px;
            }
            .faq-item summary {
                padding: 18px 18px;
                font-size: 15px;
            }
            .faq-item p {
                padding: 0 18px 18px 18px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #1a3c5e;
    --primary-light: #2d5a8a;
    --primary-dark: #12293f;
    --accent: #d4a853;
    --accent-light: #e8c880;
    --accent-dark: #b8903f;
    --bg: #f7f5f2;
    --bg-alt: #eef1f4;
    --card-bg: #ffffff;
    --text: #1f2a36;
    --text-muted: #6b7a8a;
    --border: #e3e8ee;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(26, 60, 94, 0.06);
    --shadow-hover: 0 12px 32px rgba(26, 60, 94, 0.12);
    --transition: all 0.3s ease;
    --container-w: 1200px;
    --header-h: 76px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 20px;
}

.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.nav-right {
    justify-content: flex-end;
}

.nav-link {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(26, 60, 94, 0.06);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(26, 60, 94, 0.1);
    font-weight: 600;
}

.nav-link:focus-visible,
.logo:focus-visible,
.nav-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    border-radius: 10px;
    letter-spacing: 0.5px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    display: flex;
    flex-direction: column;
}

.logo-text small {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: var(--transition);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: rgba(26, 60, 94, 0.06);
}

/* ---------- Page Hero ---------- */
.page-hero {
    position: relative;
    padding: 150px 0 80px;
    background: linear-gradient(135deg, rgba(26, 60, 94, 0.92), rgba(18, 41, 63, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.25), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

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

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.breadcrumb .sep {
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb .current {
    color: var(--accent);
    font-weight: 500;
}

.page-hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.page-hero .hero-subtitle {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    max-width: 640px;
}

.page-hero .hero-meta {
    display: flex;
    gap: 16px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(6px);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* ---------- Section Base ---------- */
.section {
    padding: 80px 0;
}

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

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

.section-tag {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(212, 168, 83, 0.1);
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 15.5px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- Entry Overview Cards ---------- */
.entry-overview {
    background: var(--bg);
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.entry-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.entry-card .card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

.entry-card:hover .card-img img {
    transform: scale(1.04);
}

.entry-card .card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.35));
}

.entry-card .card-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.entry-card .card-tag {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(26, 60, 94, 0.08);
    padding: 4px 12px;
    border-radius: 20px;
    align-self: flex-start;
    margin-bottom: 14px;
}

.entry-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.4;
}

.entry-card .card-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    flex: 1;
}

.entry-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 20px;
    transition: var(--transition);
}

.entry-card .card-link:hover {
    color: var(--accent);
    gap: 10px;
}

.entry-card .card-link::after {
    content: '→';
    font-size: 16px;
}

/* ---------- Steps Section ---------- */
.steps-section {
    background: var(--bg-alt);
}

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

.step-item {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.step-item::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    display: inline-block;
    font-size: 26px;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--accent);
    margin-bottom: 14px;
    letter-spacing: -1px;
}

.step-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.step-item p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.7;
}

.step-line {
    position: absolute;
    top: 45px;
    right: -14px;
    width: 28px;
    height: 2px;
    background: var(--accent-light);
    z-index: 1;
}

.step-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--accent);
    border-right: 2px solid var(--accent);
    transform: rotate(45deg);
}

.step-item:last-child .step-line {
    display: none;
}

/* ---------- Compare Section ---------- */
.compare-section {
    background: var(--bg);
}

.compare-table-wrap {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow-x: auto;
    box-shadow: var(--shadow);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.compare-table th {
    background: var(--primary);
    color: #fff;
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

.compare-table th:first-child {
    border-radius: 0;
}

.compare-table td {
    padding: 16px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    line-height: 1.6;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table tr:nth-child(even) td {
    background: rgba(26, 60, 94, 0.02);
}

.compare-table tr:hover td {
    background: rgba(212, 168, 83, 0.04);
}

.compare-table .status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
}

.compare-table .status-dot.green {
    background: #22c55e;
}

.compare-table .status-dot.gold {
    background: var(--accent);
}

.compare-table .status-dot.gray {
    background: #9ca3af;
}

/* ---------- Notice Section ---------- */
.notice-section {
    background: var(--bg-alt);
}

.notice-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.notice-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.notice-img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.notice-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(26, 60, 94, 0.3));
}

.notice-content h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.3;
}

.notice-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.notice-list li {
    position: relative;
    padding-left: 28px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

.notice-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: rgba(212, 168, 83, 0.15);
    color: var(--accent);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent-light);
}

.faq-item.active {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(212, 168, 83, 0.12);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    background: none;
    text-align: left;
    transition: var(--transition);
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    position: relative;
    transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--accent);
    border-radius: 2px;
}

.faq-icon::before {
    width: 14px;
    height: 2px;
    top: 11px;
    left: 5px;
}

.faq-icon::after {
    width: 14px;
    height: 2px;
    top: 11px;
    left: 5px;
    transform: rotate(0deg);
    transition: var(--transition);
}

.faq-item.active .faq-icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 24px 24px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

/* ---------- CTA Section ---------- */
.cta-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.22), transparent 70%);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.12), transparent 70%);
}

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

.cta-section h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.3;
}

.cta-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    max-width: 480px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

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

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-accent {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}

.btn-accent:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 168, 83, 0.3);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
    background: transparent;
}

.btn-outline-light:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand .footer-logo {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}

.footer-links h4,
.footer-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    padding: 5px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
}

.footer-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    padding: 4px 0;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.6;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

/* ---------- Mobile Responsive ---------- */
@media (max-width: 1024px) {
    .entry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-line {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-left,
    .nav-right {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: #fff;
        padding: 16px 24px;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--border);
    }

    .nav-left {
        z-index: 1001;
    }

    .nav-right {
        z-index: 1002;
        top: calc(var(--header-h) + 200px);
    }

    .nav-left.open,
    .nav-right.open {
        display: flex;
        position: static;
        box-shadow: none;
        border-top: none;
        padding: 0;
    }

    .nav-inner {
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: flex;
    }

    .page-hero {
        padding: 120px 0 60px;
    }

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

    .section {
        padding: 56px 0;
    }

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

    .notice-layout {
        grid-template-columns: 1fr;
    }

    .notice-img img {
        height: 240px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom .container {
        flex-direction: column;
        gap: 4px;
    }
}

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

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 16px;
    }

    .page-hero h1 {
        font-size: 26px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 6px 14px;
    }

    .btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .compare-table th,
    .compare-table td {
        padding: 12px 14px;
        font-size: 13px;
    }
}

/* ---------- Wave Decoration ---------- */
.wave-divider {
    position: relative;
    height: 60px;
    background: transparent;
    overflow: hidden;
    margin-bottom: -60px;
}

.wave-divider svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
}

/* ---------- Data Stats ---------- */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 40px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

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

.stat-item .stat-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.stat-item .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* roulang page: article */
:root {
            --primary: #16324a;
            --primary-light: #1e4d6e;
            --accent: #c9a862;
            --accent-light: #dbbf7d;
            --bg: #f6f3ee;
            --bg-deep: #0d2233;
            --white: #ffffff;
            --text: #1a1a1a;
            --text-weak: #6b7280;
            --border: #e5e7eb;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 44px rgba(0, 0, 0, 0.12);
            --space-section: 72px;
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            min-height: 74px;
            position: relative;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 4px;
            flex-shrink: 0;
        }
        .logo-mark {
            background: var(--primary);
            color: var(--accent);
            font-weight: 800;
            font-size: 18px;
            padding: 6px 12px;
            border-radius: 8px;
            letter-spacing: 1px;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }
        .logo-text small {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 2px;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(22, 50, 74, 0.06);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: var(--white);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 8px;
            background: transparent;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .article-hero {
            background: linear-gradient(135deg, rgba(13, 34, 51, 0.88), rgba(22, 50, 74, 0.72)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 70px 0 84px;
            text-align: center;
            color: var(--white);
            position: relative;
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            border-bottom: 1px solid transparent;
        }
        .breadcrumb a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            opacity: 0.5;
        }
        .category-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }
        .article-hero h1 {
            font-size: clamp(28px, 4.2vw, 44px);
            font-weight: 800;
            line-height: 1.3;
            max-width: 860px;
            margin: 0 auto 14px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-main-section {
            padding: var(--space-section) 0 40px;
            background: var(--bg);
        }
        .article-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .article-feature-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .article-body {
            padding: 40px 44px 36px;
        }
        .article-body .cms-content {
            font-size: 16.5px;
            line-height: 1.9;
            color: #2d2d2d;
        }
        .article-body .cms-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 28px 0 14px;
            color: var(--primary);
            position: relative;
            padding-left: 16px;
        }
        .article-body .cms-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
        }
        .article-body .cms-content h3 {
            font-size: 19px;
            font-weight: 600;
            margin: 22px 0 10px;
            color: var(--primary-light);
        }
        .article-body .cms-content p {
            margin-bottom: 16px;
        }
        .article-body .cms-content img {
            border-radius: 12px;
            margin: 20px 0;
        }
        .article-body .cms-content ul,
        .article-body .cms-content ol {
            padding-left: 22px;
            margin-bottom: 16px;
        }
        .article-body .cms-content li {
            margin-bottom: 6px;
        }
        .article-body .cms-content a {
            color: var(--primary);
            border-bottom: 1px solid var(--accent);
        }
        .not-found-box {
            padding: 60px 40px;
            text-align: center;
        }
        .not-found-box h2 {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .not-found-box p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(22, 50, 74, 0.25);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 98, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .article-tags {
            padding: 20px 44px 30px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .article-tag {
            background: var(--bg);
            font-size: 13px;
            color: var(--text-weak);
            padding: 6px 14px;
            border-radius: 30px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .widget {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 26px;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }
        .widget-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--accent);
            border-radius: 2px;
        }
        .widget-list {
            list-style: none;
        }
        .widget-list li {
            margin-bottom: 2px;
        }
        .widget-list a {
            display: block;
            padding: 9px 10px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text);
            line-height: 1.5;
        }
        .widget-list a:hover {
            background: var(--bg);
            color: var(--primary);
            padding-left: 16px;
        }
        .widget-tips {
            background: linear-gradient(135deg, var(--primary), var(--bg-deep));
            color: rgba(255, 255, 255, 0.85);
            border: none;
        }
        .widget-tips .widget-title {
            color: var(--accent);
        }
        .widget-tips p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .widget-tips a {
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
        }
        .notice-section {
            background: var(--bg-deep);
            padding: 48px 0;
            color: rgba(255, 255, 255, 0.8);
        }
        .notice-inner {
            display: flex;
            gap: 32px;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .notice-inner p {
            font-size: 15px;
            max-width: 720px;
        }
        .notice-inner .btn {
            flex-shrink: 0;
        }
        .related-section {
            padding: var(--space-section) 0 30px;
            background: var(--bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .sub-title {
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 3px;
            margin-bottom: 6px;
        }
        .section-header h2 {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 800;
            color: var(--primary);
        }
        .section-header p {
            color: var(--text-weak);
            font-size: 15px;
            margin-top: 10px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .related-card img {
            height: 170px;
            width: 100%;
            object-fit: cover;
        }
        .related-card-body {
            padding: 22px 22px 26px;
        }
        .related-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .related-card-body .btn-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card-body .btn-link:hover {
            gap: 12px;
        }
        .faq-section {
            padding: 50px 0 var(--space-section);
            background: var(--bg);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        details.faq-item {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.03);
            overflow: hidden;
            transition: var(--transition);
        }
        details.faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        details.faq-item summary {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary::after {
            content: '+';
            font-size: 24px;
            color: var(--accent);
            font-weight: 400;
            transition: var(--transition);
            flex-shrink: 0;
        }
        details.faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.75;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--bg-deep));
            padding: 64px 0;
            text-align: center;
            color: var(--white);
        }
        .cta-section h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            max-width: 520px;
            margin: 0 auto 28px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
        }
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-links,
        .footer-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links h4,
        .footer-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 6px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
            width: fit-content;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-info p {
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom p {
            margin: 2px 0;
        }
        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: nowrap;
                justify-content: space-between;
                min-height: 68px;
                gap: 12px;
            }
            .nav-left,
            .nav-right {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 12px 24px 20px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
                gap: 2px;
                border-radius: 0 0 16px 16px;
                align-items: stretch;
            }
            .nav-right {
                top: auto;
            }
            .site-header.nav-open .nav-left,
            .site-header.nav-open .nav-right {
                display: flex;
            }
            .site-header.nav-open .nav-right {
                top: auto;
                position: static;
                box-shadow: none;
                padding-top: 0;
            }
            .site-header.nav-open .nav-left {
                position: absolute;
                top: 68px;
            }
            .nav-link {
                padding: 12px 12px;
                border-radius: 8px;
                text-align: center;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
                order: 3;
            }
            .logo {
                order: 1;
                margin: 0 auto;
            }
            .logo {
                order: 2;
                margin: 0 auto;
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 48px;
            }
            .article-hero {
                padding: 50px 0 60px;
            }
            .article-body {
                padding: 24px 20px 28px;
            }
            .article-tags {
                padding: 16px 20px 24px;
            }
            .article-feature-image img {
                height: 220px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .notice-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .footer-brand p {
                margin: 0 auto;
            }
            .footer-links a {
                margin: 0 auto;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-mark {
                font-size: 15px;
                padding: 5px 10px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 10px;
                font-size: 12px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 48px 0;
            }
            .btn {
                padding: 10px 24px;
                font-size: 14px;
            }
            .faq-item summary {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 16px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1f2e3e;
            --primary-deep: #16222e;
            --primary-soft: #2e4154;
            --accent: #c8a47e;
            --accent-deep: #a8875f;
            --accent-light: #f0e3d3;
            --bg: #f8f6f2;
            --bg-alt: #eef1f3;
            --white: #ffffff;
            --text: #2c3440;
            --text-light: #6a7480;
            --border: #e7e2da;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 36px rgba(31, 46, 62, 0.08);
            --shadow-hover: 0 18px 48px rgba(31, 46, 62, 0.14);
            --space-section: 88px;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        @media (max-width: 768px) {
            :root { --space-section: 56px; }
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ---------- Header ---------- */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(31, 46, 62, 0.04);
        }

        .nav-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            min-height: 72px;
            gap: 16px;
        }

        .nav-left {
            display: flex;
            gap: 8px;
            align-items: center;
            justify-content: flex-start;
        }

        .nav-right {
            display: flex;
            gap: 8px;
            align-items: center;
            justify-content: flex-end;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            padding: 8px 14px;
            border-radius: 999px;
            transition: all 0.25s ease;
            position: relative;
        }

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

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            justify-self: center;
            padding: 4px 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-soft) 100%);
            color: var(--white);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 12px rgba(31, 46, 62, 0.18);
        }

        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }

        .logo-text small {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 1px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: background 0.25s ease;
        }

        .nav-toggle:hover {
            background: var(--bg);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        /* ---------- Page Hero ---------- */
        .page-hero {
            position: relative;
            padding: 96px 0 88px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: var(--white);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(22, 34, 46, 0.92) 0%, rgba(31, 46, 62, 0.75) 55%, rgba(47, 61, 74, 0.6) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 60px;
            background: var(--bg);
            clip-path: ellipse(80% 60% at 50% 100%);
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.4); }
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 6px 18px;
            backdrop-filter: blur(4px);
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.78);
            transition: color 0.25s ease;
        }

        .hero-breadcrumb a:hover {
            color: var(--white);
        }

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* ---------- Section Common ---------- */
        .section {
            padding: var(--space-section) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--accent-deep);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

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

        .section-head .section-label,
        .section-head .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        .section-head .section-label::before,
        .section-head .section-label::after {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head .section-label {
            gap: 12px;
        }

        /* ---------- Overview Cards ---------- */
        .overview-section {
            background: var(--white);
        }

        .overview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .overview-card {
            padding: 36px 28px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--white);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .overview-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

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

        .overview-card:hover::after {
            transform: scaleX(1);
        }

        .overview-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: var(--accent-light);
            color: var(--accent-deep);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }

        .overview-card:hover .overview-icon {
            background: var(--primary);
            color: var(--white);
            transform: scale(1.06);
        }

        .overview-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .overview-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ---------- Genre Cards ---------- */
        .genre-section {
            background: var(--bg);
        }

        .genre-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .genre-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
        }

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

        .genre-card-media {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .genre-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 46, 62, 0.25), transparent 60%);
        }

        .genre-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            backdrop-filter: blur(4px);
        }

        .genre-card-body {
            padding: 24px 24px 28px;
        }

        .genre-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .genre-card-body h3 i {
            color: var(--accent);
            font-size: 15px;
        }

        .genre-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .genre-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-deep);
            transition: gap 0.25s ease;
        }

        .genre-card-link:hover {
            gap: 10px;
            color: var(--primary);
        }

        /* ---------- Highlight Section ---------- */
        .highlight-section {
            background: var(--white);
        }

        .highlight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 56px;
        }

        .highlight-block:last-child {
            margin-bottom: 0;
        }

        .highlight-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
            min-height: 320px;
        }

        .highlight-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform 0.5s ease;
        }

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

        .highlight-media::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: inset 0 0 60px rgba(31, 46, 62, 0.12);
            pointer-events: none;
        }

        .highlight-content {
            padding: 20px 0;
        }

        .highlight-content .section-label {
            margin-bottom: 10px;
        }

        .highlight-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .highlight-content p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
        }

        .highlight-list li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 3px;
        }

        .highlight-block:nth-child(even) .highlight-media {
            order: 2;
        }

        .highlight-block:nth-child(even) .highlight-content {
            order: 1;
        }

        /* ---------- Stats Band ---------- */
        .stats-band {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-soft) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
            color: var(--white);
        }

        .stats-band::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }

        .stats-band::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 260px;
            height: 260px;
            background: rgba(200, 164, 126, 0.08);
            border-radius: 50%;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            padding: 20px 16px;
        }

        .stat-number {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent);
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            letter-spacing: 1px;
            text-transform: uppercase;
            font-weight: 500;
        }

        /* ---------- Steps Section ---------- */
        .steps-section {
            background: var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .steps-grid::before {
            content: "";
            position: absolute;
            top: 44px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            z-index: 1;
        }

        .step-item {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 0 8px;
        }

        .step-number {
            width: 88px;
            height: 88px;
            border-radius: 50%;
            background: var(--white);
            border: 2px solid var(--accent);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(31, 46, 62, 0.1);
            transition: all 0.3s ease;
        }

        .step-number span {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .step-number small {
            font-size: 11px;
            color: var(--text-light);
            margin-top: 4px;
            letter-spacing: 1px;
        }

        .step-item:hover .step-number {
            background: var(--primary);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        .step-item:hover .step-number span,
        .step-item:hover .step-number small {
            color: var(--white);
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ---------- FAQ Section ---------- */
        .faq-section {
            background: var(--white);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            transition: all 0.25s ease;
        }

        .faq-item:hover {
            border-color: var(--accent);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            list-style: none;
            position: relative;
            transition: color 0.25s ease;
        }

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

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item summary:hover {
            color: var(--accent-deep);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ---------- CTA Band ---------- */
        .cta-band {
            background: var(--accent-light);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 164, 126, 0.18);
            border-radius: 50%;
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ---------- Buttons ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 8px 20px rgba(31, 46, 62, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(31, 46, 62, 0.28);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(31, 46, 62, 0.18);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--white);
            box-shadow: 0 8px 20px rgba(200, 164, 126, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-deep);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(200, 164, 126, 0.4);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 56px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 360px;
            font-size: 13px;
        }

        .footer-links h4,
        .footer-info h4 {
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links h4::after,
        .footer-info h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: all 0.25s ease;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-info p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.42);
            background: rgba(0, 0, 0, 0.15);
        }

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

        .footer-bottom p {
            margin: 0;
        }

        /* ---------- Focus States ---------- */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .genre-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }

            .steps-grid::before {
                display: none;
            }

            .highlight-block {
                gap: 36px;
            }

            .stat-number {
                font-size: 34px;
            }

            .footer-grid {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                position: sticky;
            }

            .nav-inner {
                grid-template-columns: 1fr auto 44px;
                min-height: 64px;
                gap: 8px;
            }

            .nav-left,
            .nav-right {
                display: none;
                grid-column: 1 / -1;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: var(--white);
                border-top: 1px solid var(--border);
                padding: 12px 0 16px;
                width: 100%;
            }

            .nav-left .nav-link,
            .nav-right .nav-link {
                padding: 12px 20px;
                border-radius: 10px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
                justify-self: end;
            }

            .site-header.nav-open .nav-left,
            .site-header.nav-open .nav-right {
                display: flex;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

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

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .section {
                padding: 48px 0;
            }

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

            .overview-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .highlight-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .highlight-block:nth-child(even) .highlight-media {
                order: 1;
            }

            .highlight-block:nth-child(even) .highlight-content {
                order: 2;
            }

            .highlight-media {
                min-height: 220px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .nav-inner {
                grid-template-columns: 1fr auto 40px;
            }

            .logo-text {
                font-size: 15px;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .page-hero h1 {
                font-size: 25px;
            }

            .hero-desc {
                font-size: 14px;
            }

            .genre-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .stat-number {
                font-size: 30px;
            }

            .cta-actions {
                flex-direction: column;
            }

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

/* roulang page: category3 */
/* === 设计变量 === */
        :root {
            --primary: #16324f;
            --primary-light: #22507a;
            --primary-lighter: #3a6d9c;
            --accent: #c8a46e;
            --accent-light: #eadcc4;
            --accent-soft: #f7efe2;
            --bg: #f7f6f2;
            --bg-deep: #1e262f;
            --bg-soft: #eeede8;
            --card-bg: #ffffff;
            --text: #20262d;
            --text-light: #5b6572;
            --text-muted: #8b94a1;
            --border: #e3ded4;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(22, 50, 79, 0.06);
            --shadow-md: 0 8px 30px rgba(22, 50, 79, 0.1);
            --shadow-lg: 0 16px 48px rgba(22, 50, 79, 0.14);
            --spacing-section: 96px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

        /* === Reset / Base === */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(200, 164, 110, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* === Header 导航 === */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 24px rgba(22, 50, 79, 0.04);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            min-height: 72px;
            position: relative;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-link {
            position: relative;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            border-radius: 40px;
            transition: all var(--transition);
            letter-spacing: 0.5px;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(22, 50, 79, 0.05);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--accent-soft);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 12px;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            letter-spacing: 0.5px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(22, 50, 79, 0.25);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .logo-text small {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 2px;
            margin-top: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 8px;
            border-radius: 10px;
            background: var(--bg-soft);
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 20;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0 auto;
            transition: all 0.3s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* === 页面 Banner === */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(22, 50, 79, 0.92), rgba(34, 80, 122, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 96px 0 120px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(200, 164, 110, 0.18), transparent 55%);
            pointer-events: none;
        }
        .banner-inner {
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .banner-badge i {
            color: var(--accent);
        }
        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: 2px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .page-banner .banner-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .banner-tags span {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
        }
        .wave-divider {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 60px;
            z-index: 3;
        }
        .wave-divider path {
            fill: var(--bg);
        }
        .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 20px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb i {
            font-size: 12px;
            line-height: 24px;
        }

        /* === 通用板块 === */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--bg-soft);
        }
        .section-deep {
            background: var(--bg-deep);
            color: #e6e8eb;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.8;
        }
        .section-deep .section-head h2 {
            color: #fff;
        }
        .section-deep .section-head .section-tag {
            background: rgba(200, 164, 110, 0.15);
            color: var(--accent);
        }
        .section-deep .section-head p {
            color: rgba(230, 232, 235, 0.7);
        }

        /* === 安全总览统计 === */
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .overview-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .overview-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .overview-card .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
            margin-bottom: 6px;
        }
        .overview-card .num span {
            font-size: 20px;
            font-weight: 600;
            color: var(--accent);
            margin-left: 4px;
        }
        .overview-card .label {
            font-size: 15px;
            color: var(--text-light);
            font-weight: 500;
        }
        .overview-card .desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.6;
        }
        .overview-card i {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 14px;
            display: block;
        }

        /* === 安全指南卡片 === */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .guide-card .card-img {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-img img {
            transform: scale(1.04);
        }
        .guide-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(22, 50, 79, 0.2), transparent 55%);
        }
        .guide-card .card-body {
            padding: 26px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent-soft);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
            letter-spacing: 1px;
        }
        .guide-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            flex: 1;
        }
        .guide-card .card-list {
            margin-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .guide-card .card-list li {
            font-size: 13px;
            color: var(--text-light);
            background: var(--bg-soft);
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid var(--border);
        }

        /* === 安全流程 === */
        .flow-wrap {
            position: relative;
        }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 48px;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 42px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(to right, var(--accent), var(--accent-light), var(--accent));
            border-radius: 2px;
            opacity: 0.4;
        }
        .flow-step {
            text-align: center;
            padding: 0 16px;
            position: relative;
            z-index: 2;
        }
        .flow-step .step-circle {
            width: 84px;
            height: 84px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 28px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(22, 50, 79, 0.25);
            border: 4px solid #fff;
        }
        .flow-step .step-circle i {
            font-size: 26px;
            color: var(--accent);
        }
        .section-deep .flow-step .step-circle {
            border-color: var(--bg-deep);
        }
        .flow-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .section-deep .flow-step h3 {
            color: #fff;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-deep .flow-step p {
            color: rgba(230, 232, 235, 0.7);
        }

        /* === 风险对策 === */
        .risk-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .risk-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 26px 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: box-shadow var(--transition), transform var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .risk-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .risk-item .risk-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--accent-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .risk-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .risk-item .risk-feat {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .risk-item .risk-solve {
            font-size: 14px;
            color: var(--primary-light);
            font-weight: 500;
            line-height: 1.6;
        }
        .risk-item .risk-solve i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* === FAQ === */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            list-style: none;
            position: relative;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-body {
            padding: 0 26px 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            padding-top: 16px;
        }
        .faq-item .faq-body p {
            margin-bottom: 8px;
        }

        /* === CTA === */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, rgba(22, 50, 79, 0.95), rgba(34, 80, 122, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
            margin-bottom: var(--spacing-section);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 164, 110, 0.2);
            filter: blur(40px);
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* === 按钮 === */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
            border: 1px solid transparent;
            letter-spacing: 0.5px;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(200, 164, 110, 0.3);
        }
        .btn-primary:hover {
            background: #d4b682;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 164, 110, 0.4);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        /* === Footer === */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(230, 232, 235, 0.7);
            padding-top: 64px;
            border-top: 3px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(230, 232, 235, 0.6);
            max-width: 360px;
        }
        .footer-links h4,
        .footer-info h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-links h4::after,
        .footer-info h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links a {
            display: block;
            color: rgba(230, 232, 235, 0.6);
            font-size: 14px;
            padding: 6px 0;
            transition: all 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-info p {
            font-size: 14px;
            color: rgba(230, 232, 235, 0.6);
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
        }
        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(230, 232, 235, 0.45);
        }

        /* === 返回顶部 === */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 46px;
            height: 46px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 20px rgba(22, 50, 79, 0.3);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 90;
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-top:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-4px);
        }

        /* === 移动端导航面板 === */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 12px 32px rgba(22, 50, 79, 0.12);
            padding: 16px 24px 20px;
            z-index: 99;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.show {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            color: var(--text-light);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--accent-soft);
            color: var(--primary);
        }

        /* === 响应式 === */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 72px;
            }
            .guide-grid {
                gap: 20px;
            }
            .overview-grid {
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .logo {
                margin-right: 60px;
            }
            .page-banner {
                padding: 72px 0 100px;
            }
            .page-banner h1 {
                font-size: 34px;
            }
            .page-banner .banner-sub {
                font-size: 15px;
            }
            .overview-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }
            .risk-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .flow-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section {
                padding: 48px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .page-banner {
                padding: 56px 0 88px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .banner-tags {
                gap: 6px;
            }
            .banner-tags span {
                font-size: 12px;
                padding: 4px 10px;
            }
            .overview-card .num {
                font-size: 36px;
            }
            .guide-card .card-img {
                height: 180px;
            }
            .cta-btns {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .faq-item summary {
                padding: 18px 18px;
                font-size: 15px;
            }
            .faq-item .faq-body {
                padding: 0 18px 18px;
                font-size: 14px;
            }
        }