/* roulang page: index */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #06b6d4;
  --violet: #8b5cf6;
  --page-bg: #f6f8fc;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-soft: #64748b;
  --border-soft: #e2e8f0;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 12px 40px rgba(30, 41, 59, 0.08);
  --shadow-hover: 0 20px 50px rgba(30, 41, 59, 0.14);
  --space-section: 96px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--page-bg);
  color: var(--text-main);
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
button { cursor: pointer; }
.site-container { width: 100%; max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.section-light { background: #ffffff; }
.section-title { font-size: 32px; line-height: 1.25; font-weight: 800; letter-spacing: -0.02em; color: var(--text-main); }
.section-subtitle { margin-top: 12px; font-size: 16px; line-height: 1.8; color: var(--text-soft); }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; background: rgba(37, 99, 235, 0.08); color: var(--primary); border: 1px solid rgba(37, 99, 235, 0.12); }
.logo-mark { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 14px; background: linear-gradient(135deg, #2563eb, #06b6d4); color: #fff; font-size: 18px; box-shadow: 0 8px 20px rgba(37, 99, 235, 0.28); }
.nav-link { display: inline-flex; align-items: center; padding: 9px 16px; border-radius: 999px; font-size: 15px; font-weight: 500; color: #475569; }
.nav-link:hover { color: var(--primary); background: rgba(37, 99, 235, 0.08); }
.nav-link.active { color: var(--primary); background: rgba(37, 99, 235, 0.12); font-weight: 600; }
.search-box { display: flex; align-items: center; width: 220px; background: #f1f5f9; border: 1px solid transparent; border-radius: 999px; padding: 8px 14px; transition: all .25s ease; }
.search-box:focus-within { background: #fff; border-color: rgba(37, 99, 235, 0.3); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08); }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; font-size: 14px; color: var(--text-main); }
.search-box i { color: #94a3b8; margin-right: 8px; }
.btn-primary, .btn-highlight, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 999px; font-size: 15px; font-weight: 600; padding: 12px 24px; transition: all .25s ease; }
.btn-primary { background: linear-gradient(135deg, #2563eb, #06b6d4); color: #fff; box-shadow: 0 8px 22px rgba(37, 99, 235, 0.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(37, 99, 235, 0.35); }
.btn-highlight { background: linear-gradient(135deg, #8b5cf6, #d946ef); color: #fff; box-shadow: 0 8px 22px rgba(139, 92, 246, 0.3); }
.btn-highlight:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(139, 92, 246, 0.4); }
.btn-ghost { background: #ffffff; color: var(--primary); border: 1px solid rgba(37, 99, 235, 0.2); box-shadow: 0 4px 14px rgba(30, 41, 59, 0.06); }
.btn-ghost:hover { border-color: rgba(37, 99, 235, 0.45); box-shadow: 0 10px 24px rgba(30, 41, 59, 0.1); transform: translateY(-2px); }
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.82) 50%, rgba(255,255,255,0.48) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.cta-bg {
  background-image: linear-gradient(120deg, rgba(15,23,42,0.94), rgba(2,6,23,0.78)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
}
.feature-card { background: #fff; border-radius: var(--radius-md); padding: 32px; border: 1px solid var(--border-soft); box-shadow: var(--shadow-card); transition: transform .3s ease, box-shadow .3s ease; position: relative; overflow: hidden; }
.feature-card::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: linear-gradient(90deg, #2563eb, #06b6d4); opacity: 0; transition: opacity .3s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 56px; height: 56px; display: inline-flex; align-items: center; justify-content: center; border-radius: 18px; font-size: 22px; color: #fff; background: linear-gradient(135deg, #2563eb, #06b6d4); box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24); }
.entry-card { display: block; background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-soft); box-shadow: var(--shadow-card); transition: transform .3s ease, box-shadow .3s ease; }
.entry-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.entry-card img { width: 100%; height: 220px; object-fit: cover; }
.entry-card-body { padding: 24px; }
.entry-tag { display: inline-block; padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; background: rgba(37, 99, 235, 0.1); color: var(--primary); }
.stat-card { background: rgba(255,255,255,0.82); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.6); border-radius: var(--radius-md); padding: 24px; box-shadow: 0 12px 30px rgba(2,6,23,0.1); text-align: center; }
.stat-card .num { font-size: 34px; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-card .label { margin-top: 6px; font-size: 14px; color: var(--text-soft); }
.news-item { display: block; background: #fff; border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--border-soft); box-shadow: 0 4px 14px rgba(30, 41, 59, 0.05); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: rgba(37, 99, 235, 0.22); }
.news-title { font-size: 18px; font-weight: 700; margin-top: 10px; line-height: 1.45; }
.news-title a:hover { color: var(--primary); }
.news-excerpt { margin-top: 8px; font-size: 14px; color: var(--text-soft); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.process-list { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { background: #fff; border: 1px solid var(--border-soft); border-radius: var(--radius-md); padding: 28px; position: relative; box-shadow: var(--shadow-card); }
.process-num { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 14px; background: #0f172a; color: #fff; font-weight: 800; font-size: 18px; }
.faq-item { background: #fff; border: 1px solid var(--border-soft); border-radius: var(--radius-md); margin-bottom: 16px; box-shadow: 0 4px 14px rgba(30, 41, 59, 0.04); transition: box-shadow .25s ease; }
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; font-size: 16px; font-weight: 600; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(37, 99, 235, 0.1); color: var(--primary); transition: transform .3s ease; }
.faq-item[open] summary .icon { transform: rotate(45deg); }
.faq-answer { padding: 0 26px 24px; color: var(--text-soft); font-size: 15px; line-height: 1.8; }
.footer-link { color: #94a3b8; transition: color .25s ease; }
.footer-link:hover { color: #fff; }
@media (max-width: 1024px) {
  :root { --space-section: 76px; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 28px; }
}
@media (max-width: 768px) {
  :root { --space-section: 60px; }
  .site-container { padding-left: 20px; padding-right: 20px; }
  .section-title { font-size: 26px; }
  .feature-card { padding: 24px; }
  .entry-card img { height: 190px; }
}
@media (max-width: 520px) {
  .process-list { grid-template-columns: 1fr; }
  .stat-card .num { font-size: 28px; }
  .news-item { padding: 20px; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-answer { padding: 0 20px 20px; }
}

/* roulang page: category1 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #7c3aed;
            --accent: #f59e0b;
            --dark: #0f172a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --border-light: #e2e8f0;
            --radius: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            color: var(--text-main);
            background: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input {
            font-family: inherit;
        }

        .site-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: 12px;
            border: none;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        .btn-primary:focus {
            outline: 3px solid rgba(37, 99, 235, 0.3);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border: 1.5px solid var(--primary);
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: rgba(37, 99, 235, 0.05);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1.5px solid var(--border-light);
            border-radius: 12px;
            padding: 8px 16px;
            transition: all 0.3s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            min-width: 0;
            color: var(--text-main);
        }

        .search-box input::placeholder {
            color: #94a3b8;
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 27, 75, 0.88) 50%, rgba(37, 99, 235, 0.85) 100%);
            color: #fff;
            overflow: hidden;
        }

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

        .hero-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.15;
            margin-top: 24px;
            letter-spacing: -1px;
        }

        .hero-desc {
            margin-top: 20px;
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
        }

        /* Section */
        .section-padding {
            padding: 90px 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            border-radius: 999px;
        }

        .section-title {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-top: 16px;
        }

        .section-desc {
            margin-top: 16px;
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Card */
        .news-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-sm);
        }

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

        .news-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

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

        .news-card:hover .news-card-img-wrap img {
            transform: scale(1.05);
        }

        .news-card-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 12px;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
        }

        .news-card-body {
            padding: 24px;
        }

        .news-card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            transition: color 0.3s ease;
        }

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

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-card-excerpt {
            margin-top: 10px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Tag */
        .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            background: #fff;
            border: 1.5px solid var(--border-light);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, 0.04);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .tag-item.active {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
        }

        /* Stat */
        .stat-card {
            text-align: center;
            padding: 32px 24px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

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

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            margin-top: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
        }

        /* Featured block */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .featured-img {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 400px;
        }

        .featured-list {
            margin-top: 28px;
            display: grid;
            gap: 16px;
        }

        .featured-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .featured-icon {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            border-radius: 10px;
            font-size: 15px;
        }

        .featured-item-title {
            font-size: 16px;
            font-weight: 600;
        }

        .featured-item-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 2px;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 3px;
            opacity: 0.2;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 6px;
            width: 24px;
            height: 24px;
            background: #fff;
            border: 3px solid var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
        }

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

        .timeline-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .timeline-title {
            font-size: 17px;
            font-weight: 700;
            margin-top: 4px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 6px;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 14px;
            padding: 24px 28px;
            margin-bottom: 12px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(37, 99, 235, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            gap: 20px;
        }

        .faq-icon {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: rgba(37, 99, 235, 0.08);
            border-radius: 8px;
            color: var(--primary);
            font-size: 13px;
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            display: none;
            margin-top: 12px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

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

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 24px;
            padding: 64px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            position: relative;
            z-index: 2;
        }

        .cta-desc {
            margin-top: 16px;
            font-size: 16px;
            opacity: 0.9;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 2;
        }

        .cta-btn {
            margin-top: 32px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
            position: relative;
            z-index: 2;
        }

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

        /* Footer */
        .footer-link {
            transition: all 0.3s ease;
        }

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

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 16px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }

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

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

        .breadcrumb .current {
            color: #fff;
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .featured-block {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .site-container {
                padding: 0 20px;
            }

            .section-padding {
                padding: 70px 0;
            }
        }

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

            .mobile-nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                padding: 16px 24px;
                display: flex;
                flex-direction: column;
                gap: 4px;
            }

            .site-container {
                padding: 0 16px;
            }

            .cta-section {
                padding: 48px 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 32px;
            }

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

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

            .news-card-body {
                padding: 18px;
            }

            .cta-section {
                padding: 40px 20px;
                border-radius: 16px;
            }
        }

/* roulang page: article */
:root{
  --primary:#1e40af; --primary-dark:#1e3a8a; --primary-light:#3b82f6;
  --accent:#f59e0b; --accent-dark:#d97706;
  --bg-body:#f8fafc; --bg-dark:#0f172a; --text-main:#1e293b; --text-muted:#64748b;
  --text-light:#94a3b8; --border:#e2e8f0;
  --radius-sm:.375rem; --radius-md:.75rem; --radius-lg:1rem; --radius-xl:1.5rem;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05); --shadow-md:0 4px 6px -1px rgba(0,0,0,.08);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1); --shadow-xl:0 20px 25px -5px rgba(0,0,0,.1);
}
*{box-sizing:border-box; margin:0; padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg-body); color:var(--text-main); line-height:1.6; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
button{font-family:inherit}
.site-container{width:100%; max-width:80rem; margin:0 auto; padding-left:1rem; padding-right:1rem}
@media(min-width:640px){.site-container{padding-left:1.5rem; padding-right:1.5rem}}
@media(min-width:1024px){.site-container{padding-left:2rem; padding-right:2rem}}
.nav-link{
  padding:.5rem .875rem; border-radius:.5rem; font-size:.9rem; font-weight:500; color:#cbd5e1;
  transition:all .2s ease;
}
.nav-link:hover{color:#fff; background:rgba(255,255,255,.08)}
.nav-link.active{color:#fff; background:rgba(59,130,246,.2)}
.logo-mark{display:inline-flex; align-items:center; justify-content:center; width:2.25rem; height:2.25rem; border-radius:.75rem; background:linear-gradient(135deg,#3b82f6,#1e40af); color:#fff; font-size:1rem; box-shadow:0 4px 12px rgba(59,130,246,.35)}
.btn-primary{
  display:inline-flex; align-items:center; gap:.5rem; background:linear-gradient(135deg,#3b82f6,#1e40af);
  color:#fff; font-weight:600; font-size:.875rem; padding:.625rem 1.25rem; border-radius:.625rem;
  transition:all .2s ease; box-shadow:0 4px 12px rgba(59,130,246,.25);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 8px 20px rgba(59,130,246,.35)}
.btn-secondary{
  display:inline-flex; align-items:center; gap:.5rem; background:transparent; border:1px solid rgba(255,255,255,.2);
  color:#e2e8f0; font-weight:500; font-size:.875rem; padding:.625rem 1rem; border-radius:.625rem; transition:all .2s ease;
}
.btn-secondary:hover{background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.3)}
.search-input{
  width:12rem; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.15); border-radius:.625rem;
  padding:.5rem .75rem .5rem 2.25rem; font-size:.875rem; color:#fff; outline:none; transition:all .2s ease;
}
.search-input::placeholder{color:#94a3b8}
.search-input:focus{background:rgba(255,255,255,.15); border-color:#3b82f6; width:14rem}
.search-icon{position:absolute; left:.75rem; top:50%; transform:translateY(-50%); color:#94a3b8; font-size:.875rem}
.mobile-menu-btn{
  display:inline-flex; align-items:center; justify-content:center; width:2.5rem; height:2.5rem; border-radius:.625rem;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.15); color:#fff; font-size:1rem; cursor:pointer;
}
.mobile-menu{max-height:0; overflow:hidden; transition:max-height .3s ease}
.mobile-menu.open{max-height:400px}
.mobile-nav-link{display:block; padding:.75rem 1rem; color:#cbd5e1; font-size:.9rem; font-weight:500; border-radius:.5rem; transition:all .2s}
.mobile-nav-link:hover{color:#fff; background:rgba(255,255,255,.08)}
.mobile-nav-link.active{color:#3b82f6; background:rgba(59,130,246,.12)}
.badge{
  display:inline-flex; align-items:center; gap:.375rem; background:rgba(255,255,255,.15); color:#fff;
  font-size:.75rem; font-weight:600; padding:.375rem .875rem; border-radius:9999px; border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(8px);
}
.badge-accent{background:linear-gradient(135deg,#f59e0b,#d97706); border-color:transparent; color:#fff; box-shadow:0 4px 12px rgba(245,158,11,.3)}
.breadcrumb-nav{border-bottom:1px solid #e2e8f0; background:#fff; padding:.75rem 0}
.breadcrumb-list{list-style:none; display:flex; align-items:center; font-size:.8rem; color:#94a3b8}
.breadcrumb-list a{color:#64748b; transition:color .2s}
.breadcrumb-list a:hover{color:#1e40af}
.page-banner{position:relative; overflow:hidden; padding:5rem 0; background-color:#0f172a; background-blend-mode:overlay}
.page-banner::before{content:''; position:absolute; inset:0; background:linear-gradient(135deg,rgba(15,23,42,.88),rgba(30,64,175,.7)); z-index:1}
.page-banner .banner-bg{position:absolute; inset:0; background-size:cover; background-position:center; z-index:0}
.page-banner .site-container{position:relative; z-index:2}
.article-card{
  background:#fff; border-radius:var(--radius-xl); border:1px solid #e2e8f0; padding:2rem;
  box-shadow:var(--shadow-md);
}
.article-meta{display:flex; flex-wrap:wrap; gap:1rem; color:var(--text-muted); font-size:.85rem; padding-bottom:1.25rem; border-bottom:1px solid #e2e8f0; margin-bottom:1.75rem}
.article-meta span{display:inline-flex; align-items:center; gap:.375rem}
.article-body{color:#475569; font-size:1rem; line-height:1.9}
.article-body h2{font-size:1.4rem; font-weight:700; color:#1e293b; margin-top:2rem; margin-bottom:1rem; padding-left:.75rem; border-left:4px solid #3b82f6; border-radius:0 .25rem .25rem 0}
.article-body h3{font-size:1.15rem; font-weight:600; color:#334155; margin-top:1.5rem; margin-bottom:.75rem}
.article-body p{margin-bottom:1.25rem}
.article-body ul,.article-body ol{margin-bottom:1.25rem; padding-left:1.5rem}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5rem}
.article-body a{color:#2563eb; text-decoration:underline; word-break:break-all}
.article-body blockquote{border-left:4px solid #3b82f6; background:#eff6ff; padding:1rem 1.25rem; border-radius:0 .5rem .5rem 0; margin:1.5rem 0; color:#334155}
.article-body img{border-radius:.75rem; margin:1.5rem 0; box-shadow:var(--shadow-md)}
.article-body table{width:100%; border-collapse:collapse; margin:1.5rem 0; font-size:.9rem}
.article-body table th,.article-body table td{border:1px solid #e2e8f0; padding:.625rem .875rem; text-align:left}
.article-body table th{background:#f1f5f9; font-weight:600}
.article-body code{background:#f1f5f9; padding:.2rem .4rem; border-radius:.25rem; font-size:.875rem; font-family:monospace}
.article-tags{display:flex; flex-wrap:wrap; gap:.5rem; padding:1.5rem 0; border-top:1px solid #e2e8f0; margin-top:2rem}
.tag{display:inline-flex; align-items:center; gap:.375rem; background:#f1f5f9; color:#475569; font-size:.8rem; padding:.375rem .875rem; border-radius:9999px; transition:all .2s}
.tag:hover{background:#e2e8f0}
.section-title{font-size:1.35rem; font-weight:700; color:#1e293b; margin-bottom:1.25rem; display:flex; align-items:center; gap:.5rem}
.section-title::after{content:''; flex:1; height:1px; background:#e2e8f0}
.side-card{background:#fff; border-radius:var(--radius-lg); border:1px solid var(--border); padding:1.5rem; box-shadow:var(--shadow-sm)}
.side-card h3{font-size:1rem; font-weight:700; color:#1e293b; margin-bottom:1rem; padding-bottom:.75rem; border-bottom:2px solid #f1f5f9; display:flex; align-items:center; gap:.5rem}
.side-card h3 i{color:#3b82f6}
.related-list li{border-bottom:1px solid #f1f5f9; padding-bottom:.875rem; margin-bottom:.875rem}
.related-list li:last-child{border-bottom:none; padding-bottom:0; margin-bottom:0}
.related-list a{display:flex; gap:.75rem; align-items:flex-start; transition:all .2s}
.related-list a:hover .related-title{color:#2563eb}
.related-list img{width:4.5rem; height:3.5rem; border-radius:.5rem; object-fit:cover; flex-shrink:0}
.related-title{font-size:.875rem; font-weight:600; color:#334155; line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; transition:color .2s}
.related-cat{display:block; font-size:.75rem; color:#94a3b8; margin-top:.25rem}
.category-list li{margin-bottom:.5rem}
.category-list a{display:flex; align-items:center; gap:.625rem; padding:.625rem .75rem; border-radius:.5rem; background:#f8fafc; border:1px solid #e2e8f0; font-size:.875rem; font-weight:500; color:#475569; transition:all .2s}
.category-list a:hover{background:#eff6ff; border-color:#3b82f6; color:#2563eb; transform:translateX(4px)}
.category-list a i{width:1.5rem; text-align:center; color:#3b82f6}
.faq-item{background:#fff; border:1px solid #e2e8f0; border-radius:.75rem; padding:1.25rem; margin-bottom:.875rem; transition:all .2s}
.faq-item:hover{border-color:#bfdbfe; box-shadow:var(--shadow-md)}
.faq-item details summary{cursor:pointer; font-weight:600; color:#1e293b; font-size:.9rem; list-style:none; display:flex; justify-content:space-between; align-items:center}
.faq-item details summary::-webkit-details-marker{display:none}
.faq-item details summary::after{content:'\f078'; font-family:'Font Awesome 6 Free'; font-weight:900; font-size:.75rem; color:#94a3b8; transition:transform .2s}
.faq-item details[open] summary::after{transform:rotate(180deg)}
.faq-item details p{margin-top:.875rem; color:#64748b; font-size:.875rem; line-height:1.7}
.cta-card{background:linear-gradient(135deg,#1e3a8a,#1e40af); color:#fff; border-radius:var(--radius-xl); padding:2.5rem; position:relative; overflow:hidden; text-align:center}
.cta-card::before{content:''; position:absolute; top:-2rem; right:-2rem; width:12rem; height:12rem; background:rgba(255,255,255,.06); border-radius:50%}
.cta-card h3{font-size:1.5rem; font-weight:700; margin-bottom:.5rem}
.cta-card p{color:#bfdbfe; font-size:.9rem; margin-bottom:1.5rem}
.not-found{padding:4rem 2rem; text-align:center}
.not-found i{font-size:3rem; color:#cbd5e1; margin-bottom:1rem}
.not-found h2{font-size:1.5rem; font-weight:700; color:#1e293b; margin-bottom:.5rem}
.not-found p{color:#64748b; margin-bottom:1.5rem}
.footer-link{color:#94a3b8; transition:color .2s}
.footer-link:hover{color:#fff}
@media(max-width:1024px){.nav-desktop{display:none}}
@media(max-width:640px){
  .search-input{width:8rem}
  .search-input:focus{width:10rem}
  .article-card{padding:1.25rem}
  .cta-card{padding:1.75rem}
  .page-banner{padding:3.5rem 0}
}

/* roulang page: category2 */
:root {
            --brand-600: #1a66f5;
            --brand-700: #1750d9;
            --text-dark: #0f172a;
            --text-gray: #64748b;
            --border-light: #e2e8f0;
            --radius-md: 12px;
            --radius-lg: 20px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: #f8fafc;
            line-height: 1.7;
            font-size: 16px;
        }

        .site-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Logo 品牌样式 */
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1a66f5, #1750d9);
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(26, 102, 245, 0.3);
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: #475569;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--brand-600);
            background-color: #f1f5f9;
        }

        .nav-link.active {
            color: var(--brand-700);
            background-color: #e0edff;
            font-weight: 600;
        }

        .footer-link {
            color: #94a3b8;
            transition: color 0.2s ease;
            font-size: 14px;
        }

        .footer-link:hover {
            color: #fff;
        }

        /* 小徽章 */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 600;
            background-color: rgba(26, 102, 245, 0.1);
            color: var(--brand-600);
            letter-spacing: 0.02em;
        }

        /* 基础按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--brand-600);
            color: white;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 9999px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(26, 102, 245, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--brand-700);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 102, 245, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: white;
            color: #1e293b;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 9999px;
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .btn-secondary:hover {
            border-color: var(--brand-600);
            color: var(--brand-600);
            background-color: #f8fbff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        /* 页面横幅 */
        .page-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 100px 0 80px;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(21, 39, 84, 0.78) 50%, rgba(26, 102, 245, 0.5) 100%);
        }

        .page-banner>* {
            position: relative;
            z-index: 1;
        }

        /* 卡片通用 */
        .guide-card {
            background: white;
            border-radius: 16px;
            border: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.05);
            transition: all 0.3s ease;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(15, 23, 42, 0.1);
            border-color: rgba(26, 102, 245, 0.3);
        }

        /* 步骤条 */
        .step-item {
            position: relative;
            padding-left: 56px;
        }

        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a66f5, #1750d9);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(26, 102, 245, 0.3);
        }

        /* FAQ 样式 */
        .faq-item {
            border: 1px solid rgba(226, 232, 240, 0.7);
            border-radius: 12px;
            transition: all 0.3s ease;
            background-color: white;
        }

        .faq-item:hover {
            border-color: rgba(26, 102, 245, 0.3);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
        }

        /* 搜索框 */
        .search-input {
            background-color: white;
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 12px;
            padding: 8px 16px 8px 36px;
            font-size: 14px;
            color: #1e293b;
            width: 180px;
            transition: all 0.3s ease;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--brand-600);
            box-shadow: 0 0 0 3px rgba(26, 102, 245, 0.15);
            width: 220px;
        }

        /* 移动端菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: white;
            z-index: 1000;
            transition: right 0.3s ease;
            box-shadow: -4px 0 24px rgba(15, 23, 42, 0.1);
            padding: 24px;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 999;
            backdrop-filter: blur(4px);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }

        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .search-input {
                display: none;
            }
        }

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

            .desktop-nav {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #818cf8;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-body: #f6f7fb;
            --bg-soft: #f0f2f8;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --text-subtle: #94a3b8;
            --border-light: #e2e8f0;
            --radius-xl: 1.25rem;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.08);
            --container-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
        }

        /* ===== 容器 ===== */
        .site-container {
            max-width: var(--container-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 640px) {
            .site-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.25rem;
            height: 2.25rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            color: #fff;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
            font-size: 0.9rem;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.5rem 0.875rem;
            border-radius: 0.625rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.1);
            font-weight: 600;
        }

        .btn-search {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            background: var(--bg-soft);
            font-size: 0.8rem;
            color: var(--text-subtle);
            border: 1px solid transparent;
            transition: all 0.2s ease;
        }

        .btn-search:hover {
            border-color: var(--border-light);
            background: #edf0f7;
            color: var(--text-muted);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.375rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, #4f46e5, #6366f1);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
            transition: all 0.25s ease;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.375rem;
            border-radius: 0.75rem;
            background: transparent;
            color: var(--text-main);
            font-size: 0.875rem;
            font-weight: 500;
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(79, 70, 229, 0.04);
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.375rem;
            border-radius: 0.75rem;
            background: #fff;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            transition: all 0.25s ease;
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }

        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .mobile-menu.open {
            max-height: 360px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: linear-gradient(100deg, rgba(15, 23, 42, 0.93) 20%, rgba(49, 46, 129, 0.72) 70%, rgba(79, 70, 229, 0.48)),
                url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 5.5rem 0 5rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .hero-stat-card {
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(12px);
            padding: 1.25rem 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.16);
            transform: translateY(-3px);
        }

        /* ===== Section ===== */
        .section-space {
            padding: 4.5rem 0;
        }

        .section-title {
            font-size: 1.875rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            line-height: 1.25;
        }

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

        .eyebrow-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.25rem 0.875rem;
            border-radius: 9999px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        /* ===== Card ===== */
        .card-soft {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .card-soft:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #c7d2fe;
        }

        .card-lift {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .card-lift:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(129, 140, 248, 0.4);
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.2rem 0.625rem;
            border-radius: 9999px;
            background: rgba(79, 70, 229, 0.07);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
        }

        .tag-hot {
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
        }

        .tag-new {
            background: rgba(16, 185, 129, 0.1);
            color: #047857;
        }

        /* ===== 流行词条 ===== */
        .entry-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            border-radius: 0.875rem;
            border: 1px solid var(--border-light);
            background: #fff;
            transition: all 0.25s ease;
        }

        .entry-item:hover {
            border-color: #a5b4fc;
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .entry-index {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 2rem;
            height: 2rem;
            border-radius: 0.625rem;
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(79, 70, 229, 0.08);
        }

        /* ===== 数据流程 ===== */
        .flow-step {
            position: relative;
            padding: 1.75rem 1.5rem;
            border-radius: 1.25rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

        .flow-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.25rem;
            height: 2.25rem;
            border-radius: 9999px;
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #1e1b4b;
            font-weight: 700;
            font-size: 0.875rem;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-item:hover {
            border-color: #c7d2fe;
        }

        .faq-item summary {
            padding: 1.125rem 1.5rem;
            font-weight: 600;
            font-size: 0.9375rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            list-style: none;
            transition: background 0.2s;
        }

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

        .faq-item summary .fa-chevron-down {
            margin-left: auto;
            font-size: 0.75rem;
            color: var(--text-subtle);
            transition: transform 0.3s ease;
        }

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

        .faq-item[open] summary {
            background: rgba(79, 70, 229, 0.03);
        }

        .faq-item .faq-body {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-panel {
            position: relative;
            border-radius: 1.5rem;
            background: linear-gradient(120deg, #1e1b4b, #312e81 60%, #4f46e5);
            padding: 3rem 3rem;
            overflow: hidden;
            color: #fff;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(129, 140, 248, 0.25);
            filter: blur(80px);
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.2);
            filter: blur(90px);
        }

        /* ===== Footer ===== */
        .footer-link {
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .footer-link:hover {
            color: #fff;
            transform: translateX(3px);
        }

        /* ===== 输入框 ===== */
        .input-field {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 0.75rem;
            border: 1px solid var(--border-light);
            background: #fff;
            font-size: 0.875rem;
            transition: all 0.2s ease;
            outline: none;
        }

        .input-field:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-header .nav-desktop {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
        }

        @media (min-width: 1025px) {
            .mobile-toggle {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .section-space {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero {
                padding: 4rem 0 3.5rem;
            }
            .hero-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-stats-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                border-radius: 1.125rem;
            }
        }

        /* 图片遮罩统一 */
        .img-cover {
            object-fit: cover;
            width: 100%;
            height: 100%;
        }

        .img-layer {
            position: relative;
            overflow: hidden;
        }

        .img-layer::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(15, 23, 42, 0.55) 100%);
            pointer-events: none;
        }