/* roulang page: index */
:root {
            --brand: #1e5588;
            --brand-dark: #17426b;
            --gold: #d4a853;
            --gold-light: #f0d492;
            --bg-light: #f8f9fb;
            --text-main: #1e293b;
            --text-weak: #64748b;
            --border-soft: #e2e8f0;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 28px;
            --shadow-soft: 0 4px 24px rgba(30, 85, 136, 0.08);
            --shadow-card: 0 8px 32px rgba(30, 85, 136, 0.10);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        .container-page {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 768px) {
            .container-page {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s;
        }
        .site-header.is-scrolled {
            box-shadow: 0 4px 20px rgba(15, 40, 65, 0.08);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 2rem;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo i {
            color: var(--gold);
            font-size: 1.6rem;
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 0.5rem;
        }
        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }
        .nav-item {
            padding: 0.5rem 1rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-item:hover {
            color: var(--brand);
            background: var(--brand-50, #eef4fa);
            transform: translateY(-1px);
        }
        .nav-item.active {
            color: #fff;
            background: var(--brand);
            box-shadow: 0 4px 16px rgba(30, 85, 136, 0.25);
        }
        .nav-cta-mobile {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--gold), #c1953f);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.4);
            transition: all 0.25s;
        }
        @media (min-width: 1024px) {
            .nav-cta-mobile {
                font-size: 0.95rem;
                padding: 0.55rem 1.4rem;
            }
        }
        .nav-cta-mobile:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.5);
        }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            border-top: 1px solid var(--border-soft);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 0.5rem 0.25rem 0.65rem;
            box-shadow: 0 -4px 20px rgba(15, 40, 65, 0.06);
        }
        .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.2rem;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-weak);
            padding: 0.3rem 0.6rem;
            border-radius: var(--radius-md);
            transition: all 0.25s;
            min-width: 3.4rem;
        }
        .tab-item i {
            font-size: 1.15rem;
            line-height: 1;
        }
        .tab-item.active {
            color: var(--brand);
            background: var(--brand-50, #eef4fa);
        }
        .tab-item:hover {
            color: var(--brand);
        }
        @media (min-width: 1024px) {
            .mobile-tabbar {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }
        body {
            padding-bottom: 72px;
        }
        @media (min-width: 1024px) {
            body {
                padding-bottom: 0;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0d243c 0%, #1e5588 55%, #2b6aa1 100%);
            padding: 5rem 0 5.5rem;
            overflow: hidden;
            min-height: 640px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.3), transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            border-radius: 999px;
            padding: 0.4rem 1.2rem;
            font-size: 0.82rem;
            color: #f0d492;
            letter-spacing: 0.06em;
            margin-bottom: 1.5rem;
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
        }
        .hero-title span {
            background: linear-gradient(90deg, #f0d492, #d4a853);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: clamp(1rem, 1.6vw, 1.15rem);
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: linear-gradient(135deg, #d4a853, #b8893a);
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 12px;
            font-size: 1rem;
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.4);
            transition: all 0.3s;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(212, 168, 83, 0.5);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-top: 3rem;
            max-width: 500px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 0.9rem 1rem;
            text-align: center;
            backdrop-filter: blur(8px);
        }
        .hero-stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #f0d492;
            line-height: 1.3;
        }
        .hero-stat-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.04em;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 5rem 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            max-width: 680px;
            margin-bottom: 3rem;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #eef4fa;
            color: var(--brand);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 0.3rem 1rem;
            border-radius: 999px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }
        .section-sub {
            margin-top: 0.8rem;
            color: var(--text-weak);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* ===== Cards ===== */
        .card-hover {
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            transition: all 0.35s;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--gold));
            transform: scaleX(0);
            transition: transform 0.4s;
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, #eef4fa, #e0ebf6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand);
            margin-bottom: 1.2rem;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== Category Cards ===== */
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all 0.35s;
        }
        .category-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
        }
        .category-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.05);
        }
        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 36, 60, 0.65), transparent 60%);
        }
        .category-card-body {
            padding: 1.8rem 1.8rem 2rem;
            text-align: center;
        }
        .category-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }
        .category-card-body p {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--brand);
            font-weight: 600;
            font-size: 0.9rem;
            border-bottom: 2px solid transparent;
            padding-bottom: 0.2rem;
            transition: all 0.3s;
        }
        .category-link:hover {
            border-color: var(--gold);
            color: var(--brand-dark);
        }

        /* ===== News List ===== */
        .news-card {
            display: flex;
            gap: 1.2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            border: 1px solid var(--border-soft);
            transition: all 0.3s;
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow-soft);
            transform: translateX(4px);
            border-color: #cfdbe7;
        }
        .news-card-img {
            width: 110px;
            height: 80px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-title {
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 0.3rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.75rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }
        .news-card-meta .badge {
            background: #eef4fa;
            color: var(--brand);
            padding: 0.15rem 0.6rem;
            border-radius: 999px;
            font-weight: 500;
        }
        @media (max-width: 640px) {
            .news-card {
                flex-direction: row;
                padding: 0.9rem;
            }
            .news-card-img {
                width: 84px;
                height: 64px;
            }
        }

        /* ===== Steps ===== */
        .step-item {
            position: relative;
            padding-left: 3.5rem;
            padding-bottom: 2.8rem;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: 1.25rem;
            top: 2.8rem;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand), #cfdbe7);
        }
        .step-item:last-child::before {
            display: none;
        }
        .step-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 2.6rem;
            height: 2.6rem;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand), #2b6aa1);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(30, 85, 136, 0.3);
        }
        .step-item h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            color: var(--text-main);
        }
        .step-item p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stat-grid {
            background: linear-gradient(135deg, #0d243c, #1e5588);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .stat-grid::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }
        .stat-block {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
            padding: 1rem;
        }
        .stat-block-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: #f0d492;
            line-height: 1.2;
        }
        .stat-block-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 0.3rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.8rem;
            margin-bottom: 1rem;
            transition: all 0.3s;
        }
        .faq-item:hover {
            border-color: #cfdbe7;
            box-shadow: var(--shadow-soft);
        }
        .faq-q {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
        }
        .faq-q i {
            color: var(--gold);
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }
        .faq-a {
            margin-top: 0.8rem;
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.8;
            display: none;
            border-top: 1px dashed var(--border-soft);
            padding-top: 0.8rem;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #17426b, #2b6aa1);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2.5rem;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 2rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0d243c;
            color: #94a3b8;
            padding: 3.5rem 0 6.5rem;
        }
        @media (min-width: 1024px) {
            .site-footer {
                padding-bottom: 3.5rem;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-brand i {
            color: var(--gold);
            margin-right: 0.4rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-links a:hover {
            color: var(--gold);
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 3rem;
            padding-top: 1.8rem;
            font-size: 0.78rem;
            text-align: center;
            color: #7a8ba0;
        }

        /* ===== JSON-LD ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        .focus\:ring:focus {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --text: #0f172a;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
  --shadow: 0 14px 36px -12px rgba(37, 99, 235, 0.14);
  --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-bottom: 64px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

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

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  box-shadow: 0 1px 12px rgba(15, 23, 42, 0.03);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}

.brand-logo i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-size: 0.95rem;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #475569;
  transition: all 0.2s ease;
}

.nav-item:hover {
  background: #f1f5f9;
  color: var(--primary);
}

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

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

.nav-cta-mobile {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 10px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-cta-mobile:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

/* ===== Footer ===== */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 56px 0 24px;
  margin-top: 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand i {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-size: 0.85rem;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  color: #94a3b8;
  max-width: 280px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #cbd5e1;
  transition: all 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.75rem;
  color: #64748b;
}

/* ===== Mobile Tab Nav ===== */
.mobile-tab-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  padding: 6px 8px 8px;
}

.tab-nav-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  max-width: 480px;
  margin: 0 auto;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 10px;
  border-radius: 12px;
  font-size: 0.68rem;
  font-weight: 500;
  color: #64748b;
  transition: all 0.2s ease;
  min-width: 68px;
}

.tab-item i {
  font-size: 1.15rem;
}

.tab-item:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.tab-item.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 700;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 120px 0 72px;
  background-color: #0f172a;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transform: scale(1.02);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.88));
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.breadcrumb a {
  color: #e2e8f0;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb i {
  font-size: 0.6rem;
  color: #64748b;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 999px;
}

.hero-inner h1 {
  font-size: 2.6rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  margin: 8px 0 16px;
  line-height: 1.25;
}

.hero-inner p {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.8;
}

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

.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 26px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.35);
}

/* ===== Section ===== */
.section {
  padding: 84px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0 0 14px;
}

.section-header p {
  font-size: 0.95rem;
  color: var(--text-weak);
  line-height: 1.8;
}

/* ===== Intro ===== */
.section-intro {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.intro-content h2 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  margin: 12px 0 16px;
  letter-spacing: -0.01em;
}

.intro-content p {
  font-size: 0.94rem;
  color: var(--text-weak);
  line-height: 1.85;
  margin-bottom: 22px;
}

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

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: #334155;
}

.check-list li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 0.9rem;
}

.intro-image {
  position: relative;
}

.intro-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: #e2e8f0;
}

.intro-image::after {
  content: '';
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 2px solid var(--primary-light);
  border-radius: var(--radius-lg);
  z-index: 0;
  pointer-events: none;
}

.intro-image img {
  position: relative;
  z-index: 1;
}

/* ===== Features ===== */
.section-features {
  background: #f8fafc;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 18px;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.06);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin: 0 0 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--primary);
}

.card-link i {
  font-size: 0.7rem;
  transition: transform 0.2s ease;
}

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

/* ===== Steps ===== */
.section-steps {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.step-item {
  position: relative;
  text-align: center;
  padding: 30px 18px;
  border-radius: var(--radius);
  background: #f8fafc;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

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

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 14px;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
}

.step-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
}

.step-item p {
  font-size: 0.85rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin: 0;
}

/* ===== Stats ===== */
.section-stats {
  position: relative;
  padding: 80px 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.section-stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.86);
}

.stats-inner {
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.stat-item {
  text-align: center;
  padding: 28px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(245, 158, 11, 0.4);
}

.stat-item strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
}

.stat-item span {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ===== Article List ===== */
.section-list {
  background: #f8fafc;
  border-top: 1px solid var(--border);
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

.article-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  transition: all 0.25s ease;
}

.article-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.article-item .article-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.article-item .article-meta {
  flex: 1;
  min-width: 0;
}

.article-item .article-meta h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-item .article-meta p {
  font-size: 0.8rem;
  color: var(--text-weak);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-item .article-date {
  flex-shrink: 0;
  text-align: right;
  font-size: 0.75rem;
  color: #94a3b8;
  background: #f1f5f9;
  padding: 5px 12px;
  border-radius: 999px;
}

/* ===== FAQ ===== */
.section-faq {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.25s ease;
}

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

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  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: 0.8rem;
  color: var(--primary);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

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

.faq-item .faq-answer {
  padding: 0 22px 20px;
  font-size: 0.88rem;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin: 0 22px;
  padding-left: 0;
  padding-right: 0;
}

.faq-item[open] .faq-answer {
  padding-top: 14px;
  margin-top: 2px;
}

/* ===== CTA ===== */
.section-cta {
  padding: 0;
  background: #f8fafc;
  border-top: 1px solid var(--border);
}

.cta-card {
  position: relative;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  text-align: center;
  margin: -32px 0 0;
  transform: translateY(-32px);
  box-shadow: 0 24px 48px -12px rgba(15, 23, 42, 0.35);
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.2);
  filter: blur(60px);
}

.cta-card h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.cta-card p {
  font-size: 0.92rem;
  color: #94a3b8;
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.8;
}

.cta-card .btn-primary {
  margin-right: 8px;
}

.cta-card .btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
}

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

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .nav-cta-mobile {
    display: none;
  }
  .site-header {
    display: none;
  }
  body {
    padding-bottom: 64px;
  }
  .page-hero {
    padding: 84px 0 52px;
  }
  .hero-inner h1 {
    font-size: 2rem;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .intro-content {
    text-align: left;
  }
  .cta-card {
    padding: 36px 24px;
    margin: 0;
    transform: none;
  }
  .cta-card .btn-primary {
    margin-right: 0;
    margin-bottom: 10px;
  }
  .mobile-tab-nav {
    display: block;
  }
  .section {
    padding: 60px 0;
  }
  .section-header h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 520px) {
  .container-page {
    padding: 0 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .article-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
  }
  .article-date {
    align-self: flex-end;
  }
  .hero-inner h1 {
    font-size: 1.7rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions a {
    justify-content: center;
    width: 100%;
  }
  .cta-card {
    padding: 28px 18px;
  }
  .cta-card h2 {
    font-size: 1.35rem;
  }
}

/* roulang page: article */
:root {
            --primary: #0e7490;
            --primary-dark: #155e75;
            --primary-light: #67e8f9;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --text: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(2, 12, 27, 0.04);
            --shadow: 0 4px 24px rgba(2, 12, 27, 0.06);
            --shadow-lg: 0 12px 40px rgba(2, 12, 27, 0.1);
            --container: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        input,
        textarea {
            font-family: inherit;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(2, 12, 27, 0.08);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .brand-logo i {
            color: var(--primary);
            font-size: 1.25rem;
        }

        .brand-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-item {
            padding: 8px 16px;
            border-radius: 999px;
            color: var(--text-muted);
            font-size: 0.9375rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .nav-item:hover {
            color: var(--primary);
            background: rgba(14, 116, 144, 0.06);
        }

        .nav-item.active {
            color: var(--primary);
            background: rgba(14, 116, 144, 0.1);
            font-weight: 600;
        }

        .nav-cta-mobile {
            display: none;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(14, 116, 144, 0.2);
            flex-shrink: 0;
        }

        .nav-cta-mobile:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 116, 144, 0.3);
        }

        /* 移动端底部 Tab */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 1000;
            padding-bottom: env(safe-area-inset-bottom);
            box-shadow: 0 -2px 12px rgba(2, 12, 27, 0.04);
        }

        .bottom-tab-nav .tab-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            max-width: 480px;
            margin: 0 auto;
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 10px 8px 8px;
            color: var(--text-muted);
            font-size: 0.6875rem;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .bottom-tab-item i {
            font-size: 1.125rem;
        }

        .bottom-tab-item.active,
        .bottom-tab-item:hover {
            color: var(--primary);
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none;
            }
            .nav-cta-mobile {
                display: flex;
            }
            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: 64px;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 1.125rem;
            }
            .nav-cta-mobile {
                font-size: 0.75rem;
                padding: 8px 14px;
            }
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            padding: 160px 0 72px;
            background: linear-gradient(135deg, rgba(12, 74, 110, 0.92), rgba(14, 116, 144, 0.85), rgba(15, 23, 42, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s;
        }

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

        .hero-breadcrumb .bx {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }

        .hero-breadcrumb .current {
            color: rgba(255, 255, 255, 0.95);
            font-weight: 500;
        }

        .article-hero h1 {
            font-size: clamp(1.875rem, 4vw, 2.875rem);
            font-weight: 800;
            line-height: 1.25;
            max-width: 860px;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(8px);
        }

        .hero-meta .meta-item i {
            font-size: 0.8125rem;
            opacity: 0.8;
        }

        /* ===== 文章主体网格 ===== */
        .article-main {
            padding: 56px 0 80px;
            position: relative;
            z-index: 2;
        }

        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 48px;
            align-items: start;
        }

        @media (max-width: 1023px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* 文章正文卡片 */
        .article-content-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 48px;
            overflow: hidden;
        }

        @media (max-width: 640px) {
            .article-content-card {
                padding: 28px 20px;
            }
        }

        .article-body {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 1.25rem;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--text);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 1.75rem;
            margin-bottom: 0.75rem;
            color: var(--text);
        }

        .article-body ul {
            list-style: disc;
            padding-left: 1.5rem;
            margin-bottom: 1.25rem;
        }

        .article-body ol {
            list-style: decimal;
            padding-left: 1.5rem;
            margin-bottom: 1.25rem;
        }

        .article-body li {
            margin-bottom: 0.5rem;
        }

        .article-body img {
            border-radius: 12px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 1rem 1.25rem;
            margin: 1.5rem 0;
            background: rgba(14, 116, 144, 0.04);
            border-radius: 0 10px 10px 0;
            color: var(--text-muted);
        }

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

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9375rem;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body th {
            background: rgba(14, 116, 144, 0.06);
            font-weight: 600;
        }

        /* 内容未找到 */
        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: rgba(14, 116, 144, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: var(--primary);
        }

        .not-found h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* 标签 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(14, 116, 144, 0.06);
            border: 1px solid rgba(14, 116, 144, 0.12);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 500;
            transition: all 0.2s;
        }

        .tag-badge:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 侧边栏 */
        .sidebar-widget {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            margin-bottom: 24px;
        }

        .sidebar-widget .widget-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }

        .sidebar-widget .widget-title i {
            color: var(--primary);
            font-size: 1rem;
        }

        .widget-info-list {
            list-style: none;
        }

        .widget-info-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.875rem;
            color: var(--text-muted);
            border-bottom: 1px dashed var(--border);
        }

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

        .widget-info-list li span {
            font-weight: 600;
            color: var(--text);
        }

        .widget-nav-list {
            list-style: none;
        }

        .widget-nav-list li {
            margin-bottom: 8px;
        }

        .widget-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .widget-nav-list a:hover {
            color: var(--primary);
            background: rgba(14, 116, 144, 0.05);
            border-color: rgba(14, 116, 144, 0.1);
        }

        .widget-nav-list a i {
            width: 20px;
            text-align: center;
            color: var(--primary);
            font-size: 0.875rem;
        }

        .widget-mini-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            color: #fff;
        }

        .widget-mini-cta h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .widget-mini-cta p {
            font-size: 0.8125rem;
            opacity: 0.85;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .widget-mini-cta a {
            display: inline-block;
            padding: 8px 20px;
            background: #fff;
            color: var(--primary) !important;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 600;
            transition: all 0.2s;
        }

        .widget-mini-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
        }

        /* ===== 相关阅读 ===== */
        .related-section {
            padding: 80px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 20px;
        }

        .section-header .sec-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(14, 116, 144, 0.08);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-header .sec-desc {
            color: var(--text-muted);
            font-size: 0.9375rem;
            max-width: 480px;
        }

        .article-card {
            display: block;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(14, 116, 144, 0.2);
        }

        .article-card-cover {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .article-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-category {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .article-card-body {
            padding: 20px;
        }

        .article-card-body h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78125rem;
            color: var(--text-light);
        }

        /* ===== 指南区 ===== */
        .guide-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .guide-card {
            position: relative;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: all 0.3s;
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

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

        .guide-card .step-num {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(14, 116, 144, 0.1);
            line-height: 1;
        }

        .guide-card .guide-icon {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 20px;
            box-shadow: 0 4px 16px rgba(14, 116, 144, 0.2);
        }

        .guide-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .guide-card p {
            font-size: 0.90625rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .guide-card ul {
            margin-top: 14px;
            list-style: none;
        }

        .guide-card ul li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.84375rem;
            color: var(--text-muted);
            padding: 4px 0;
        }

        .guide-card ul li i {
            color: var(--primary);
            font-size: 0.6875rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            background: var(--bg-white);
            transition: all 0.25s;
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: rgba(14, 116, 144, 0.25);
            box-shadow: var(--shadow);
        }

        .faq-item details {
            padding: 20px 24px;
        }

        .faq-item details summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
        }

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

        .faq-item details summary .fa-chevron-down {
            color: var(--text-light);
            font-size: 0.8125rem;
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item details[open] summary .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item details .faq-answer {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(12, 74, 110, 0.93), rgba(14, 116, 144, 0.88), rgba(15, 23, 42, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: clamp(1.625rem, 3.5vw, 2.375rem);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.0625rem;
            opacity: 0.85;
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: #fff;
            color: var(--primary) !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.3s;
            backdrop-filter: blur(8px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 56px 0 24px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.125rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .site-footer .footer-desc {
            font-size: 0.875rem;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 320px;
        }

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

        .site-footer .footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color 0.2s;
        }

        .site-footer .footer-links a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.78125rem;
            color: #64748b;
        }

        /* focus 可见性 */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(14, 116, 144, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 响应式补充 */
        @media (max-width: 768px) {
            .article-hero {
                padding: 140px 0 56px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .guide-section,
            .faq-section,
            .cta-section,
            .related-section {
                padding: 56px 0;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.625rem;
            }
            .hero-meta {
                gap: 10px;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .article-content-card {
                padding: 20px 16px;
                border-radius: 12px;
            }
            .sidebar-widget {
                padding: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --accent: #06b6d4;
            --bg-dark: #0b1020;
            --bg-section: #f6f7fb;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-card: 1rem;
            --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 18px 40px rgba(15, 23, 42, 0.14);
            --container-width: 1200px;
        }

        *,
        *::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', sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background: #ffffff;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        .container-page {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.04);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--primary);
            letter-spacing: -0.3px;
        }

        .brand-logo i {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-item {
            font-size: 0.92rem;
            font-weight: 500;
            color: #475569;
            padding: 0.4rem 0.2rem;
            position: relative;
            letter-spacing: 0.2px;
        }

        .nav-item::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

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

        .nav-item:hover::after,
        .nav-item.active::after {
            width: 100%;
        }

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

        .nav-cta-mobile {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.6rem 1.1rem;
            border-radius: 999px;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
            transition: all 0.3s ease;
        }

        .nav-cta-mobile:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(79, 70, 229, 0.4);
        }

        .mobile-tabbar {
            display: none;
        }

        .page-hero {
            position: relative;
            padding: 5.5rem 0 4rem;
            background: linear-gradient(120deg, #0b1020 0%, #171e3d 50%, #1a2a4a 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(12px);
            color: #c7d2fe;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            margin-bottom: 1.4rem;
            letter-spacing: 0.6px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.5px;
            max-width: 800px;
            margin-bottom: 1rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .page-hero h1 .gradient-text {
            background: linear-gradient(120deg, #a5b4fc, #67e8f9);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero .hero-sub {
            color: #94a3b8;
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: linear-gradient(135deg, #4f46e5, #06b6d4);
            color: #fff;
            padding: 0.8rem 1.8rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.92rem;
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
            transition: all 0.3s ease;
        }

        .btn-primary-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
        }

        .btn-ghost-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #e2e8f0;
            padding: 0.8rem 1.8rem;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: all 0.3s ease;
        }

        .btn-ghost-hero:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.35);
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: #64748b;
            font-size: 0.8rem;
            margin-bottom: 1.2rem;
        }

        .hero-breadcrumb a {
            color: #94a3b8;
        }

        .hero-breadcrumb a:hover {
            color: #e2e8f0;
        }

        .hero-breadcrumb span {
            color: #cbd5e1;
        }

        .hero-breadcrumb i {
            font-size: 0.6rem;
            color: #475569;
        }

        .section-block {
            padding: 5rem 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--primary);
            background: #eef2ff;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2rem);
            font-weight: 800;
            color: #0f172a;
            line-height: 1.4;
            letter-spacing: -0.3px;
            margin-bottom: 0.75rem;
        }

        .section-sub {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .category-intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .category-intro-content .section-tag {
            margin-bottom: 1rem;
        }

        .category-intro-content h2 {
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            font-weight: 800;
            line-height: 1.45;
            color: #0f172a;
            margin-bottom: 1rem;
            letter-spacing: -0.3px;
        }

        .category-intro-content p {
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 1rem;
        }

        .category-intro-content .highlight-list {
            margin-top: 1.4rem;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .category-intro-content .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            color: #334155;
            font-size: 0.92rem;
        }

        .category-intro-content .highlight-list li i {
            color: var(--accent);
            margin-top: 0.3rem;
            font-size: 0.8rem;
            width: 18px;
            height: 18px;
            background: rgba(6, 182, 212, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .category-intro-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .category-intro-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .category-intro-image:hover img {
            transform: scale(1.03);
        }

        .category-intro-image .image-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem 1.5rem 1.2rem;
            background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
            color: #fff;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .category-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
            transition: all 0.35s ease;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: #c7d2fe;
        }

        .category-card .card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .category-card .card-body {
            padding: 1.5rem 1.5rem 1.7rem;
        }

        .category-card .card-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #eef2ff, #e0f2fe);
            color: var(--primary);
            border-radius: 10px;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }

        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.5rem;
            letter-spacing: -0.2px;
        }

        .category-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: gap 0.3s ease;
        }

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

        .faq-highlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .faq-highlight-item {
            display: flex;
            gap: 1rem;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 0.8rem;
            padding: 1.2rem 1.4rem;
            transition: all 0.3s ease;
        }

        .faq-highlight-item:hover {
            border-color: #c7d2fe;
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .faq-highlight-item .num {
            flex-shrink: 0;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            background: #eef2ff;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-highlight-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 0.3rem;
        }

        .faq-highlight-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .stats-bg {
            background: #0b1020;
            position: relative;
            overflow: hidden;
        }

        .stats-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

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

        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
        }

        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, #a5b4fc, #67e8f9);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }

        .stat-item .stat-label {
            color: #94a3b8;
            font-size: 0.9rem;
            font-weight: 500;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 0.9rem;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: #c7d2fe;
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 6px 24px rgba(79, 70, 229, 0.08);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            text-align: left;
            font-size: 0.98rem;
            font-weight: 600;
            color: #0f172a;
            transition: color 0.2s ease;
        }

        .faq-question i {
            color: var(--primary);
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            background: #eef2ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.4rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .cta-section {
            background: linear-gradient(135deg, #0b1020, #171e3d, #1a2a4a);
            position: relative;
            overflow: hidden;
            padding: 4.5rem 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.3) 0%, transparent 70%);
        }

        .cta-section .container-page {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2.5rem;
            flex-wrap: wrap;
        }

        .cta-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            margin-bottom: 0.5rem;
        }

        .cta-content p {
            color: #94a3b8;
            font-size: 0.95rem;
            max-width: 560px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: linear-gradient(135deg, #4f46e5, #06b6d4);
            color: #fff;
            padding: 0.8rem 1.8rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 8px 28px rgba(79, 70, 229, 0.4);
            transition: all 0.3s ease;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(79, 70, 229, 0.5);
        }

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #e2e8f0;
            padding: 0.8rem 1.8rem;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .site-footer {
            background: #0b1020;
            padding: 4rem 0 2rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 1rem;
        }

        .footer-brand i {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #4f46e5, #06b6d4);
            color: #fff;
            border-radius: 10px;
            font-size: 0.9rem;
        }

        .footer-desc {
            color: #94a3b8;
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 3rem;
            padding-top: 1.8rem;
            text-align: center;
            color: #64748b;
            font-size: 0.82rem;
        }

        .footer-bottom p {
            margin: 0.3rem 0;
        }

        .guide-list-wrap {
            background: var(--bg-section);
            border-radius: 1rem;
            border: 1px solid var(--border-light);
            padding: 2rem;
        }

        .guide-list-wrap ul {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .guide-list-wrap ul li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            color: #334155;
            font-size: 0.9rem;
            padding: 0.6rem 0;
            border-bottom: 1px dashed #e2e8f0;
        }

        .guide-list-wrap ul li:last-child {
            border-bottom: none;
        }

        .guide-list-wrap ul li i {
            color: var(--accent);
            margin-top: 0.25rem;
            font-size: 0.7rem;
            width: 18px;
            height: 18px;
            background: rgba(6, 182, 212, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            margin-top: 2rem;
        }

        .process-step {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .process-step:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
        }

        .process-step .step-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #eef2ff, #e0f2fe);
            color: var(--primary);
            border-radius: 14px;
            font-size: 1.2rem;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.6rem;
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

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

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

            .category-intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .category-intro-image img {
                height: 320px;
            }

            .cta-section .container-page {
                justify-content: center;
                text-align: center;
            }

            .cta-content p {
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }

            .nav-cta-mobile {
                display: none;
            }

            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-top: 1px solid var(--border-light);
                z-index: 200;
                box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
            }

            .mobile-tabbar a {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 4px;
                padding: 0.7rem 0.3rem;
                font-size: 0.68rem;
                color: #64748b;
                transition: color 0.2s ease;
            }

            .mobile-tabbar a i {
                font-size: 1.1rem;
            }

            .mobile-tabbar a.active {
                color: var(--primary);
                font-weight: 600;
            }

            .page-hero {
                padding: 4rem 0 3rem;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
                max-width: 320px;
            }

            .hero-actions .btn-primary-hero,
            .hero-actions .btn-ghost-hero {
                justify-content: center;
            }

            .section-block {
                padding: 3.5rem 0;
            }

            .card-grid,
            .faq-highlight-grid {
                grid-template-columns: 1fr;
            }

            .category-intro-image img {
                height: 260px;
            }

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

            .stat-item .stat-num {
                font-size: 2rem;
            }

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

            .footer-bottom {
                margin-bottom: 70px;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
                max-width: 300px;
            }

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

            body {
                padding-bottom: 0;
            }
        }

        @media (max-width: 520px) {
            .nav-inner {
                height: 64px;
            }

            .brand-logo {
                font-size: 1rem;
            }

            .brand-logo i {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-sub {
                font-size: 0.88rem;
            }

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

            .container-page {
                padding: 0 1.1rem;
            }

            .faq-answer {
                font-size: 0.85rem;
            }
        }

        @media (min-width: 769px) {
            .mobile-tabbar {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-soft: #dbeafe;
            --accent: #06b6d4;
            --bg-page: #f8fafc;
            --bg-card: #ffffff;
            --ink: #0f172a;
            --ink-soft: #334155;
            --muted: #64748b;
            --border: #e2e8f0;
            --border-soft: #eef2f7;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 10px 30px rgba(15, 23, 42, .07);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, .12);
            --container: 1200px;
            --header-h: 76px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: calc(var(--header-h) + 16px);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg-page);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.nav-open {
            overflow: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
        }

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

        .container-page {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--header-h);
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(15, 23, 42, .06);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 12px 32px rgba(15, 23, 42, .07);
            background: rgba(255, 255, 255, .96);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -.01em;
            white-space: nowrap;
        }

        .brand-logo i {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: .95rem;
            box-shadow: 0 6px 14px rgba(37, 99, 235, .25);
        }

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

        .nav-item {
            position: relative;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: .92rem;
            font-weight: 500;
            color: var(--ink-soft);
            transition: all .22s ease;
        }

        .nav-item:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 8px 18px rgba(37, 99, 235, .24);
        }

        .nav-item.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .nav-cta-mobile {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: .88rem;
            font-weight: 600;
            box-shadow: 0 8px 18px rgba(37, 99, 235, .25);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .nav-cta-mobile:hover {
            transform: translateY(-1px);
            box-shadow: 0 12px 26px rgba(37, 99, 235, .32);
        }

        .mobile-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(15, 23, 42, .07);
            box-shadow: 0 -6px 20px rgba(15, 23, 42, .04);
            padding-bottom: env(safe-area-inset-bottom);
        }

        .mobile-tabbar .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 9px 4px 8px;
            font-size: .7rem;
            color: var(--muted);
            transition: color .2s ease;
        }

        .mobile-tabbar .tab-item i {
            font-size: 1.05rem;
        }

        .mobile-tabbar .tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .category-hero {
            position: relative;
            padding: calc(var(--header-h) + 60px) 0 70px;
            overflow: hidden;
            background: #0f172a;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .28;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, .94) 5%, rgba(30, 58, 138, .78) 55%, rgba(6, 182, 212, .38) 110%);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #e2e8f0;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .04em;
            backdrop-filter: blur(6px);
        }

        .hero-content h1 {
            font-size: clamp(1.9rem, 4.2vw, 3rem);
            font-weight: 800;
            line-height: 1.22;
            color: #fff;
            margin: 18px 0 16px;
            letter-spacing: -.02em;
        }

        .hero-content p {
            color: rgba(226, 232, 240, .86);
            font-size: 1rem;
            max-width: 560px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 12px 28px;
            border-radius: 999px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: .93rem;
            box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 30px rgba(0, 0, 0, .22);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 12px 26px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .35);
            color: #f1f5f9;
            font-weight: 600;
            font-size: .93rem;
            transition: background .2s ease, border-color .2s ease;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }

        .hero-stats {
            margin-top: 38px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, .14);
            max-width: 480px;
        }

        .hero-stats div {
            text-align: center;
        }

        .hero-stats strong {
            display: block;
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats span {
            font-size: .78rem;
            color: rgba(203, 213, 225, .8);
            letter-spacing: .02em;
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-card {
            width: 100%;
            max-width: 360px;
            border-radius: 20px;
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 30px 70px rgba(0, 0, 0, .3);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, .6);
        }

        .hero-card-header {
            display: flex;
            align-items: center;
            gap: 8px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-soft);
            font-size: .82rem;
            font-weight: 600;
            color: var(--ink-soft);
        }

        .h-card-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .16);
        }

        .hero-card-body {
            padding: 18px 0 8px;
        }

        .form-row {
            margin-bottom: 14px;
        }

        .form-row label {
            display: block;
            font-size: .75rem;
            font-weight: 600;
            color: var(--muted);
            margin-bottom: 6px;
        }

        .input-stub {
            background: #f1f5f9;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: .84rem;
            color: #94a3b8;
        }

        .submit-stub {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
            border-radius: 12px;
            padding: 12px;
            font-weight: 700;
            font-size: .9rem;
            margin-top: 6px;
            box-shadow: 0 8px 18px rgba(37, 99, 235, .25);
        }

        .hero-card-footer {
            text-align: center;
            font-size: .76rem;
            color: var(--muted);
            padding-top: 12px;
        }

        .section-block {
            padding: 84px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .04em;
        }

        .section-title {
            font-size: clamp(1.55rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.02em;
            color: var(--ink);
            margin: 16px 0 12px;
        }

        .section-desc {
            color: var(--muted);
            font-size: .98rem;
            max-width: 680px;
            line-height: 1.8;
        }

        .prepare-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            height: 100%;
        }

        .prepare-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-soft);
        }

        .prepare-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: 18px;
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .prepare-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--ink);
        }

        .prepare-card p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.75;
        }

        .timeline {
            position: relative;
            margin-left: 28px;
            padding-left: 42px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 2px;
            opacity: .3;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 34px;
        }

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

        .timeline-num {
            position: absolute;
            left: -42px;
            top: 0;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .72rem;
            font-weight: 800;
            color: var(--primary-dark);
            box-shadow: 0 0 0 5px rgba(37, 99, 235, .08);
            z-index: 2;
        }

        .timeline-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease;
        }

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

        .timeline-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .timeline-card p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.75;
        }

        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 8px;
        }

        .tips-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .2s ease;
        }

        .tips-item:hover {
            box-shadow: var(--shadow-md);
        }

        .tips-item .tips-icon {
            flex: 0 0 36px;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(6, 182, 212, .12);
            color: #0e7490;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
        }

        .tips-item h4 {
            font-size: .96rem;
            font-weight: 700;
            color: var(--ink);
        }

        .tips-item p {
            font-size: .84rem;
            color: var(--muted);
            line-height: 1.65;
            margin-top: 3px;
        }

        .security-card {
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            background: #fff;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
            height: 100%;
            text-align: left;
        }

        .security-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, .25);
        }

        .security-card .sec-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(37, 99, 235, .1);
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .security-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .security-card p {
            font-size: .85rem;
            color: var(--muted);
            line-height: 1.7;
        }

        .faq-block {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 26px;
            text-align: left;
            font-size: .94rem;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            transition: color .2s ease;
        }

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

        .faq-q i {
            font-size: .8rem;
            color: var(--muted);
            transition: transform .3s ease;
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 26px;
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            max-height: 260px;
            padding: 0 26px 22px;
        }

        .cta-section {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            padding: 60px 48px;
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: .35;
        }

        .cta-section .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, #1e3a8a, #0c4a6e);
            opacity: .88;
        }

        .cta-section h2 {
            position: relative;
            z-index: 1;
            font-size: clamp(1.45rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -.01em;
        }

        .cta-section p {
            position: relative;
            z-index: 1;
            color: rgba(226, 232, 240, .88);
            font-size: .94rem;
            max-width: 640px;
            margin: 0 auto 26px;
        }

        .cta-btn {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 32px;
            border-radius: 999px;
            background: #fff;
            color: #1e3a8a;
            font-weight: 700;
            font-size: .95rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .24);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 36px rgba(0, 0, 0, .3);
        }

        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 30px;
            margin-top: 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 14px;
        }

        .footer-brand i {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: .88rem;
        }

        .footer-desc {
            font-size: .86rem;
            color: #94a3b8;
            line-height: 1.75;
            max-width: 300px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .86rem;
            color: #94a3b8;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: #f1f5f9;
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 42px;
            padding-top: 24px;
            border-top: 1px solid rgba(148, 163, 184, .14);
            text-align: center;
            font-size: .78rem;
            color: #64748b;
        }

        @media (max-width: 1023px) {
            .section-block {
                padding: 70px 0;
            }
            .hero-visual {
                margin-top: 24px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --header-h: 64px;
            }
            .container-page {
                padding-left: 18px;
                padding-right: 18px;
            }
            .desktop-nav {
                display: none;
            }
            .nav-cta-mobile {
                display: none;
            }
            .brand-logo {
                font-size: .95rem;
            }
            .brand-logo i {
                width: 32px;
                height: 32px;
                font-size: .82rem;
            }
            .mobile-tabbar {
                display: flex;
            }
            body {
                padding-bottom: 60px;
            }
            .category-hero {
                padding-top: calc(var(--header-h) + 40px);
                padding-bottom: 46px;
            }
            .hero-card {
                max-width: 320px;
            }
            .section-block {
                padding: 56px 0;
            }
            .timeline {
                margin-left: 22px;
                padding-left: 32px;
            }
            .timeline-num {
                left: -32px;
                width: 30px;
                height: 30px;
                font-size: .66rem;
            }
            .cta-section {
                padding: 40px 24px;
                border-radius: 18px;
            }
            .hero-stats strong {
                font-size: 1.25rem;
            }
            .hero-stats span {
                font-size: .7rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.65rem;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn-primary,
            .btn-ghost {
                padding: 11px 22px;
                font-size: .87rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }