/* roulang page: index */
:root {
            --brand: #2563eb;
            --brand-dark: #1d4ed8;
            --accent: #f59e0b;
            --dark: #0f172a;
            --bg: #f8fafc;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 1rem;
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
            --sidebar-width: 280px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* 侧边栏 */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--dark);
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        .sidebar .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 24px 24px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .sidebar .logo i {
            font-size: 24px;
            color: var(--accent);
        }
        .sidebar .logo span {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .side-nav {
            padding: 20px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .side-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .side-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .side-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .side-nav a.active {
            background: rgba(37, 99, 235, 0.25);
            color: #fff;
            border-left: 3px solid var(--accent);
        }
        .sidebar-note {
            padding: 16px 20px;
            margin: 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }
        .sidebar-note i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 2px;
        }
        .sidebar-note p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
        }
        /* 移动端顶部栏 */
        .mobile-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--dark);
            z-index: 60;
            align-items: center;
            padding: 0 16px;
            gap: 14px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-bar .menu-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .mobile-bar .menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-bar .mobile-logo {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            white-space: nowrap;
        }
        .overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 45;
        }
        .overlay.show {
            display: block;
        }
        /* 主内容区 */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .page-content {
            flex: 1;
        }
        /* 容器 */
        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 50%, rgba(37, 99, 235, 0.4) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 120px 0 110px;
            color: #fff;
        }
        .hero .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.18);
            border: 1px solid rgba(245, 158, 11, 0.35);
            color: #fbbf24;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -1px;
        }
        .hero p.lead {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            background: var(--accent);
            color: #0f172a;
            padding: 13px 30px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }
        .btn-primary:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
            color: #fff;
            padding: 13px 30px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        /* 板块 */
        .section {
            padding: 88px 0;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 14px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-light);
            max-width: 560px;
            line-height: 1.6;
            margin-bottom: 40px;
        }
        .section-sub.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-title.center {
            text-align: center;
        }
        /* 特点卡片 */
        .feature-card {
            background: #fff;
            border-radius: 18px;
            padding: 36px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--brand);
        }
        .feature-icon.gold {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
        }
        .feature-icon.green {
            background: rgba(16, 185, 129, 0.12);
            color: #10b981;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.65;
        }
        /* 统计区 */
        .stats-section {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.96) 0%, rgba(29, 78, 216, 0.7) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            padding: 80px 0;
        }
        .stat-item {
            text-align: center;
            padding: 20px 10px;
        }
        .stat-item .num {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -1px;
            color: #fbbf24;
        }
        .stat-item .label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 10px;
        }
        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all 0.25s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
            border-color: #bfdbfe;
        }
        .news-card .thumb {
            width: 120px;
            height: 88px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            background: #f1f5f9;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .news-meta .tag {
            background: rgba(37, 99, 235, 0.08);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
        }
        .news-meta time {
            font-size: 13px;
            color: var(--text-light);
        }
        .news-info h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: color 0.2s;
        }
        .news-card:hover .news-info h3 {
            color: var(--brand);
        }
        .news-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.55;
        }
        .news-empty {
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            color: var(--text-light);
            font-size: 15px;
        }
        /* 分类入口卡片 */
        .category-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }
        .category-card:hover {
            box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
            transform: translateY(-5px);
        }
        .category-card .cover {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .category-card .body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .category-card h3 i {
            color: var(--brand);
            font-size: 18px;
        }
        .category-card p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.65;
            margin-bottom: 20px;
        }
        /* 流程区 */
        .process-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .process-step {
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--dark);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 16px rgba(15, 23, 42, 0.25);
            position: relative;
            z-index: 1;
        }
        .process-step .step-num.gold {
            background: var(--accent);
            color: var(--dark);
        }
        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.5;
        }
        .process-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            color: #cbd5e1;
            font-size: 20px;
        }
        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item:hover {
            border-color: #bfdbfe;
        }
        .faq-item summary {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--brand);
        }
        .faq-item summary i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform 0.2s;
        }
        .faq-item[open] summary i {
            transform: rotate(45deg);
            color: var(--brand);
        }
        .faq-item .answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.65;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 100px 0;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        /* 页脚 */
        .site-footer {
            background: #0b1220;
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .f-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .site-footer .f-logo i {
            color: var(--accent);
        }
        .site-footer .f-desc {
            font-size: 14px;
            line-height: 1.6;
        }
        .site-footer h5 {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: color 0.2s;
        }
        .site-footer ul a:hover {
            color: #fff;
        }
        .site-footer .copy {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            font-size: 13px;
            text-align: center;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.show {
                transform: translateX(0);
            }
            .mobile-bar {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }
            .hero {
                padding: 90px 0 80px;
            }
            .hero h1 {
                font-size: 38px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero p.lead {
                font-size: 16px;
            }
            .container-x {
                padding: 0 16px;
            }
            .news-card {
                flex-direction: column;
                padding: 18px;
            }
            .news-card .thumb {
                width: 100%;
                height: 140px;
            }
            .stats-section {
                padding: 56px 0;
            }
            .stat-item .num {
                font-size: 36px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .process-arrow {
                display: none;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero .badge {
                font-size: 12px;
                padding: 4px 12px;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 20px;
                font-size: 14px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .category-card .body {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #1e3a8a;
  --primary-light: #3b82f6;
  --accent: #06b6d4;
  --dark: #0b1120;
  --bg: #f6f8fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e8ecf4;
  --radius: 16px;
  --shadow: 0 12px 34px rgba(2, 6, 23, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font-family: inherit;
}

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

.section {
  padding: 76px 0;
}

.section-alt {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 680px;
  margin-bottom: 44px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  background: rgba(6, 182, 212, .08);
  color: #0891b2;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 6px 14px;
  border-radius: 999px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  margin: 12px 0 14px;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
}

/* ===== 侧边导航 ===== */
.sidebar {
  width: 88px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0 18px;
  border-right: 1px solid rgba(255, 255, 255, .07);
  transition: transform .32s ease;
}

.side-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding-bottom: 18px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  width: 100%;
}

.logo-badge {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 8px 20px rgba(6, 182, 212, .3);
}

.logo-text {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  color: #fff;
  text-transform: uppercase;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  padding: 0 10px;
  flex: 1;
}

.side-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 6px;
  border-radius: 14px;
  color: rgba(255, 255, 255, .55);
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  border: 1px solid transparent;
  transition: all .2s ease;
}

.side-nav a i {
  font-size: 18px;
}

.side-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .07);
}

.side-nav a.active {
  color: #fff;
  background: rgba(59, 130, 246, .16);
  border-color: rgba(59, 130, 246, .35);
  box-shadow: 0 8px 24px rgba(6, 182, 212, .15);
}

.side-foot {
  margin-top: 16px;
  color: rgba(255, 255, 255, .35);
  font-size: 16px;
}

/* 主区域 */
.main-wrapper {
  margin-left: 88px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* 移动端顶栏 */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 45;
  height: 60px;
  background: rgba(11, 17, 32, .96);
  backdrop-filter: blur(12px);
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  box-shadow: 0 8px 24px rgba(2, 6, 23, .25);
}

.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}

.mobile-logo i {
  color: #06b6d4;
  font-size: 20px;
}

.menu-toggle {
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
  border-radius: 10px;
  transition: background .2s;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, .08);
}

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, .55);
  z-index: 44;
  backdrop-filter: blur(3px);
}

body.drawer-open .drawer-overlay {
  display: block;
}

body.drawer-open .sidebar {
  transform: translateX(0);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  color: #fff !important;
  box-shadow: 0 8px 24px rgba(37, 99, 235, .25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, .35);
}

.btn-light {
  background: #fff;
  color: var(--text) !important;
  border-color: rgba(255, 255, 255, .4);
}

.btn-light:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 28px rgba(2, 6, 23, .2);
}

.btn-ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: #f8fafc;
  border-color: #b6c2d9;
  transform: translateY(-2px);
}

/* ===== 页面 Banner ===== */
.page-hero {
  position: relative;
  padding: 112px 0 96px;
  background: linear-gradient(120deg, rgba(11, 17, 32, .82), rgba(15, 23, 42, .6)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .85);
}

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

.breadcrumb i {
  font-size: 10px;
}

.page-hero h1 {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.22;
  max-width: 780px;
}

.page-hero .lead {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255, 255, 255, .76);
  max-width: 680px;
  margin-top: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

/* ===== 能力卡 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.card-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}

.card-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(2, 6, 23, .12);
  border-color: #cbd5e1;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, .12), rgba(6, 182, 212, .12));
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}

.card-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* ===== 登录流程 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 22px;
  box-shadow: 0 6px 18px rgba(2, 6, 23, .04);
  transition: all .3s ease;
}

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

.step-num {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, #1e3a8a, #06b6d4);
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(6, 182, 212, .25);
}

.step-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: var(--muted);
}

/* ===== 内容列表 ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 42px rgba(2, 6, 23, .13);
}

.article-thumb {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

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

.article-thumb .tag-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, .92);
  color: var(--primary);
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(6px);
}

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

.article-body h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.article-body p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
}

/* ===== 安全提醒 ===== */
.safe-panel {
  position: relative;
  border-radius: 26px;
  padding: 48px 52px;
  background: linear-gradient(120deg, rgba(11, 17, 32, .94), rgba(15, 23, 42, .7)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border: 1px solid rgba(255, 255, 255, .08);
  color: #fff;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(2, 6, 23, .25);
}

.safe-panel h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}

.safe-panel > p.lead {
  color: rgba(255, 255, 255, .7);
  max-width: 640px;
  margin-bottom: 32px;
}

.safe-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.safe-item {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 22px;
  backdrop-filter: blur(4px);
  transition: background .3s;
}

.safe-item:hover {
  background: rgba(255, 255, 255, .1);
}

.safe-item i {
  color: #06b6d4;
  font-size: 20px;
  margin-bottom: 12px;
}

.safe-item h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.safe-item p {
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 26px;
  margin-bottom: 16px;
  box-shadow: 0 6px 18px rgba(2, 6, 23, .04);
  transition: border-color .25s, box-shadow .25s;
}

.faq-item:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow);
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.faq-item h3 i {
  color: #06b6d4;
  font-size: 14px;
  margin-top: 4px;
}

.faq-item p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 10px;
  padding-left: 24px;
}

/* ===== CTA ===== */
.cta-panel {
  position: relative;
  background: linear-gradient(135deg, #1e3a8a, #0f172a 60%, #06b6d4 130%);
  border-radius: 28px;
  padding: 54px 52px;
  color: #fff;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 28px 60px rgba(30, 58, 138, .3);
}

.cta-panel h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -.02em;
}

.cta-panel p {
  color: rgba(255, 255, 255, .72);
  max-width: 560px;
  margin: 14px auto 28px;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: #0b1120;
  color: rgba(255, 255, 255, .75);
  padding: 56px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
}

.f-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.f-logo i {
  color: #06b6d4;
}

.f-desc {
  color: rgba(255, 255, 255, .5);
  font-size: 14px;
  margin-top: 14px;
}

.site-footer h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

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

.site-footer ul a {
  color: rgba(255, 255, 255, .5);
  font-size: 14px;
  transition: all .2s;
}

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

.copy {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .35);
  font-size: 13px;
  text-align: center;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-105%);
    width: 260px;
    align-items: stretch;
    padding: 18px 14px;
  }

  .side-logo {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
  }

  .logo-text {
    font-size: 14px;
  }

  .side-nav a {
    flex-direction: row;
    justify-content: flex-start;
    padding: 14px 16px;
    font-size: 14px;
  }

  .side-nav a i {
    font-size: 18px;
  }

  .mobile-topbar {
    display: flex;
  }

  .main-wrapper {
    margin-left: 0;
  }

  main {
    padding-top: 60px;
  }

  .side-foot {
    display: none;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 54px 0;
  }

  .container-x {
    padding: 0 18px;
  }

  .page-hero {
    padding: 84px 0 66px;
  }

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

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

  .hero-actions .btn {
    width: 100%;
  }

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

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

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

  .safe-panel {
    padding: 34px 26px;
  }

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

  .cta-panel {
    padding: 40px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

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

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

  .faq-item {
    padding: 20px 18px;
  }
}

/* roulang page: article */
:root {
            --brand-primary: #1e6af1;
            --brand-primary-dark: #1756dd;
            --brand-primary-light: #59aaff;
            --brand-bg-light: #eef7ff;
            --ink-950: #080f1e;
            --ink-900: #0b1626;
            --ink-800: #142235;
            --ink-700: #1e3148;
            --surface: #f8fafc;
            --surface-card: #ffffff;
            --border: rgba(15, 42, 72, 0.08);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(2, 12, 27, 0.04);
            --shadow-card: 0 4px 20px rgba(2, 12, 27, 0.06);
            --shadow-hover: 0 12px 32px rgba(2, 12, 27, 0.12);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: #1e293b;
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .app-shell {
            display: flex;
            min-height: 100vh;
            background: var(--surface);
        }

        .side-shell {
            width: 260px;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            display: flex;
            flex-direction: column;
            background: var(--ink-950);
            padding: 20px 16px;
            z-index: 100;
            transition: transform 0.3s ease;
            overflow-y: auto;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }

        .brand-ic {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #3389fc, #1756dd);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            flex-shrink: 0;
        }

        .brand-tx {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .side-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .side-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14.5px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .side-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.45);
            transition: color 0.2s;
        }

        .side-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .side-link:hover i {
            color: var(--brand-primary-light);
        }

        .side-link.active {
            background: linear-gradient(135deg, rgba(51, 137, 252, 0.2), rgba(23, 86, 221, 0.16));
            color: #fff;
            border-left: 3px solid var(--brand-primary-light);
        }

        .side-link.active i {
            color: var(--brand-primary-light);
        }

        .side-foot {
            margin-top: auto;
            padding: 14px 12px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-foot i {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.3);
        }

        .main-shell {
            flex: 1;
            margin-left: 260px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
        }

        .menu-mask {
            display: none;
        }

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

        .article-breadcrumb {
            padding-top: 24px;
            padding-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #64748b;
        }

        .article-breadcrumb a {
            color: var(--brand-primary);
            font-weight: 500;
        }

        .article-breadcrumb .sep {
            color: #cbd5e1;
            font-size: 11px;
        }

        .article-hero {
            padding: 24px 0 32px;
        }

        .article-hero-inner {
            background: linear-gradient(135deg, #0b1626, #142235);
            border-radius: 20px;
            padding: 40px 44px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .article-hero-inner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -30px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(51, 137, 252, 0.25), transparent 70%);
            pointer-events: none;
        }

        .cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(51, 137, 252, 0.2);
            border: 1px solid rgba(51, 137, 252, 0.4);
            color: #d9ecff;
            font-size: 12.5px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .article-hero h1 {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            max-width: 780px;
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .article-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            position: relative;
            z-index: 1;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-section {
            padding: 8px 0 56px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 32px;
            align-items: start;
        }

        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            min-width: 0;
            border: 1px solid var(--border);
        }

        .article-body {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: #334155;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #0f172a;
            margin: 2.5rem 0 1rem;
            padding-left: 1rem;
            border-left: 4px solid var(--brand-primary);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #0f172a;
            margin: 2rem 0 0.75rem;
        }

        .article-body p {
            margin: 0 0 1.25rem;
            color: #334155;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.25rem;
            padding-left: 1.5rem;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.375rem;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.375rem;
        }

        .article-body a {
            color: var(--brand-primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-body blockquote {
            border-left: 4px solid #e2e8f0;
            background: #f8fafc;
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
            color: #475569;
            font-style: italic;
        }

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

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }

        .article-body th,
        .article-body td {
            border: 1px solid #e2e8f0;
            padding: 0.75rem 1rem;
            text-align: left;
        }

        .article-body th {
            background: #f1f5f9;
            font-weight: 600;
}

        .article-aside {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: sticky;
            top: 24px;
        }

        .aside-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }

        .aside-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .aside-card h3 i {
            color: var(--brand-primary);
            font-size: 14px;
        }

        .aside-card p {
            font-size: 13.5px;
            line-height: 1.7;
            color: #475569;
            margin: 0;
        }

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

        .aside-list li {
            padding: 9px 0;
            border-bottom: 1px solid var(--border);
            font-size: 13.5px;
            color: #475569;
            display: flex;
            gap: 8px;
            align-items: baseline;
            line-height: 1.5;
        }

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

        .aside-list li::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--brand-primary);
            font-size: 12px;
            flex-shrink: 0;
        }

        .aside-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
        }

        .aside-link:hover {
            color: var(--brand-primary-dark);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-chip {
            background: var(--brand-bg-light);
            color: var(--brand-primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
        }

        .not-found-card {
            text-align: center;
            padding: 48px 20px;
        }

        .not-found-card i {
            font-size: 44px;
            color: #94a3b8;
            margin-bottom: 16px;
        }

        .not-found-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 10px;
        }

        .not-found-card p {
            color: #64748b;
            margin-bottom: 24px;
            font-size: 14px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 10px;
            transition: all 0.2s;
            box-shadow: 0 4px 12px rgba(30, 106, 241, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 106, 241, 0.35);
            background: var(--brand-primary-dark);
        }

        .related-section {
            padding: 24px 0 56px;
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 24px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--brand-primary);
            margin-bottom: 6px;
        }

        .section-head h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--ink-900);
            margin: 0;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--brand-primary);
            transition: color 0.2s;
        }

        .text-link:hover {
            color: var(--brand-primary-dark);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s, transform 0.3s;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

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

        .related-thumb {
            height: 170px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

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

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

        .thumb-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(8, 15, 30, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 11.5px;
            padding: 4px 10px;
            border-radius: 999px;
            font-weight: 600;
        }

        .related-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-body h3 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--ink-900);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-body p {
            font-size: 13px;
            line-height: 1.6;
            color: #64748b;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-time {
            font-size: 12px;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .safety-section {
            padding: 64px 0;
            position: relative;
            background: var(--ink-950);
            color: #fff;
            overflow: hidden;
        }

        .safety-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .safety-section .container-x {
            position: relative;
            z-index: 1;
        }

        .safety-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            text-align: center;
            margin-bottom: 8px;
        }

        .safety-desc {
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 32px;
        }

        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .safety-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: background 0.3s, transform 0.3s;
        }

        .safety-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        .safety-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(51, 137, 252, 0.2);
            color: var(--brand-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            margin-bottom: 16px;
        }

        .safety-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .safety-card p {
            font-size: 13.5px;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .faq-section {
            padding: 56px 0 24px;
        }

        .faq-section h2 {
            text-align: center;
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--ink-900);
            margin-bottom: 28px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.2s;
        }

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

        .faq-item summary {
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-900);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            color: var(--brand-primary);
            transition: transform 0.2s;
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item p {
            padding: 0 22px 18px;
            font-size: 14px;
            line-height: 1.7;
            color: #475569;
            margin: 0;
        }

        .cta-section {
            padding: 40px 0 64px;
        }

        .cta-card {
            background: linear-gradient(135deg, #1e6af1, #1756dd);
            border-radius: 20px;
            padding: 48px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent 70%);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
        }

        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-invert {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand-primary-dark);
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 10px;
            transition: all 0.2s;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .btn-invert:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 10px;
            transition: all 0.2s;
        }

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

        .site-footer {
            background: var(--ink-950);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .f-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .f-logo i {
            color: var(--brand-primary-light);
        }

        .f-desc {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            font-size: 13.5px;
            margin: 0;
        }

        .mt-2 {
            margin-top: 8px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
        }

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

        .site-footer ul a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            font-size: 13.5px;
            transition: color 0.2s;
        }

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

        .copy {
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 1024px) {
            .side-shell {
                transform: translateX(-100%);
                box-shadow: none;
            }

            .side-shell.open {
                transform: translateX(0);
                box-shadow: 8px 0 30px rgba(0, 0, 0, 0.3);
            }

            .main-shell {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 12px 20px;
                background: var(--ink-950);
                position: sticky;
                top: 0;
                z-index: 50;
                gap: 12px;
            }

            .menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 38px;
                height: 38px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.08);
                color: #fff;
                border: none;
                font-size: 16px;
                cursor: pointer;
                transition: background 0.2s;
            }

            .menu-btn:hover {
                background: rgba(255, 255, 255, 0.15);
            }

            .mobile-brand {
                color: #fff;
                font-weight: 700;
                text-decoration: none;
                display: flex;
                align-items: center;
                gap: 8px;
                font-size: 16px;
            }

            .menu-mask {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 90;
                backdrop-filter: blur(2px);
            }

            .menu-mask.show {
                display: block;
            }

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

            .article-aside {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 16px;
            }

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

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

            .article-hero-inner {
                padding: 28px 20px;
            }

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

            .article-main {
                padding: 20px;
            }

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

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

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

            .cta-card {
                padding: 32px 20px;
            }

            .cta-card h2 {
                font-size: 1.3rem;
            }

            .faq-item summary {
                font-size: 14px;
                padding: 16px;
            }

            .faq-item p {
                padding: 0 16px 14px;
            }

            .section-head h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.15rem;
            }

            .article-main {
                padding: 16px;
            }

            .article-body {
                font-size: 1rem;
            }

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

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

            .brand-tx {
                font-size: 15px;
            }
        }