/* roulang page: index */
:root {
    --primary: #0b1f3f;
    --primary-light: #1a3563;
    --accent: #e2a33a;
    --accent-hover: #c98e2a;
    --bg-soft: #f5f7fb;
    --text-ink: #1e293b;
    --text-muted: #64748b;
    --border-light: #e2e8f0;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-card: 0 4px 24px rgba(2, 12, 27, 0.08);
    --shadow-card-lg: 0 12px 40px rgba(2, 12, 27, 0.12);
    --transition-all: all 0.3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; line-height:1.7; color:var(--text-ink); background:var(--bg-soft); }
a { text-decoration:none; color:inherit; transition:var(--transition-all); }
img { max-width:100%; display:block; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
input, select, textarea { font-family:inherit; }
ul, ol { list-style:none; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.container-narrow { max-width:920px; margin:0 auto; padding:0 24px; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:12px 28px; border-radius:10px; font-size:15px; font-weight:600; line-height:1.2; transition:var(--transition-all); border:1px solid transparent; }
.btn-primary { background:var(--accent); color:#1a1608; box-shadow:0 4px 14px rgba(226,163,58,0.35); }
.btn-primary:hover { background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 8px 24px rgba(226,163,58,0.45); }
.btn-primary:active { transform:translateY(0); box-shadow:0 2px 8px rgba(226,163,58,0.3); }
.btn-outline { border-color:rgba(255,255,255,0.35); color:#fff; background:rgba(255,255,255,0.08); backdrop-filter:blur(4px); }
.btn-outline:hover { background:rgba(255,255,255,0.18); border-color:#fff; transform:translateY(-2px); }
.btn-dark { background:var(--primary); color:#fff; box-shadow:0 4px 16px rgba(11,31,63,0.2); }
.btn-dark:hover { background:var(--primary-light); transform:translateY(-2px); }
.btn:focus-visible { outline:3px solid rgba(226,163,58,0.5); outline-offset:2px; }
.btn-sm { padding:8px 18px; font-size:13px; border-radius:8px; }

/* Header */
.site-header { background:#fff; border-bottom:1px solid rgba(226,232,240,0.8); position:sticky; top:0; z-index:100; box-shadow:0 2px 12px rgba(2,12,27,0.04); }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:76px; gap:20px; }
.brand-logo { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-icon { width:42px; height:42px; border-radius:12px; background:var(--primary); display:flex; align-items:center; justify-content:center; color:var(--accent); font-size:18px; box-shadow:0 4px 12px rgba(11,31,63,0.2); }
.logo-text { font-size:20px; font-weight:800; letter-spacing:-0.5px; color:var(--primary); white-space:nowrap; }
.site-nav { display:flex; gap:4px; background:var(--bg-soft); padding:4px; border-radius:12px; margin:auto; }
.nav-link { display:inline-block; padding:8px 22px; border-radius:8px; font-size:14px; font-weight:600; color:#475569; transition:var(--transition-all); white-space:nowrap; }
.nav-link:hover { color:var(--primary); background:rgba(255,255,255,0.7); }
.nav-link.active { background:#fff; color:var(--primary); box-shadow:0 2px 10px rgba(2,12,27,0.08); }
.header-cta { flex-shrink:0; }
.mobile-menu-btn { display:none; width:42px; height:42px; border-radius:10px; background:var(--bg-soft); color:var(--primary); font-size:18px; align-items:center; justify-content:center; }

/* Footer */
.site-footer { background:#0b1525; color:#94a3b8; padding:60px 0 30px; }
.footer-grid { display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:40px; margin-bottom:36px; }
.footer-brand .logo-text { color:#fff; font-size:22px; }
.footer-brand p { font-size:14px; margin-top:14px; line-height:1.7; max-width:280px; }
.footer-title { color:#fff; font-size:15px; font-weight:700; margin-bottom:18px; position:relative; padding-bottom:8px; }
.footer-title::after { content:''; position:absolute; left:0; bottom:0; width:28px; height:2px; background:var(--accent); border-radius:2px; }
.footer-links li { margin-bottom:10px; }
.footer-links li a { font-size:14px; color:#94a3b8; transition:var(--transition-all); }
.footer-links li a:hover { color:var(--accent); padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(148,163,184,0.15); padding-top:24px; display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; font-size:13px; color:#64748b; }

/* Hero */
.hero-section { position:relative; background-size:cover; background-position:center; padding:120px 0 100px; overflow:hidden; }
.hero-section::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg, rgba(6,16,35,0.9) 0%, rgba(11,31,63,0.72) 55%, rgba(31,51,84,0.55) 100%); }
.hero-section::after { content:''; position:absolute; inset:0; background:radial-gradient(circle at 80% 20%, rgba(226,163,58,0.15) 0%, transparent 55%); }
.hero-inner { position:relative; z-index:2; max-width:760px; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; background:rgba(226,163,58,0.18); border:1px solid rgba(226,163,58,0.4); color:#f5d9a0; padding:6px 20px; border-radius:30px; font-size:13px; font-weight:600; letter-spacing:0.3px; backdrop-filter:blur(6px); }
.hero-badge i { color:var(--accent); }
.hero-section h1 { font-size:48px; line-height:1.15; font-weight:800; color:#fff; margin:24px 0 18px; letter-spacing:-1px; }
.hero-section h1 span { color:var(--accent); position:relative; }
.hero-section p.hero-sub { font-size:17px; color:rgba(255,255,255,0.85); line-height:1.8; margin-bottom:36px; max-width:600px; }
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; }
.hero-meta { display:flex; gap:20px; margin-top:48px; flex-wrap:wrap; color:rgba(255,255,255,0.7); font-size:13px; }
.hero-meta span { display:flex; align-items:center; gap:6px; }
.hero-meta i { color:var(--accent); }

/* Section spacing */
.section-pad { padding:80px 0; }
.section-pad-sm { padding:56px 0; }
.section-header { text-align:center; max-width:680px; margin:0 auto 48px; }
.section-header .section-tag { display:inline-block; color:var(--accent-dark); background:rgba(226,163,58,0.12); padding:5px 16px; border-radius:30px; font-size:13px; font-weight:700; letter-spacing:0.5px; margin-bottom:14px; }
.section-header h2 { font-size:34px; line-height:1.25; color:var(--primary); font-weight:800; margin-bottom:14px; letter-spacing:-0.5px; }
.section-header p { font-size:16px; color:var(--text-muted); line-height:1.8; }

/* Stats */
.stats-section { background:#fff; border-bottom:1px solid var(--border-light); }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.stat-card { text-align:center; padding:36px 20px; border-radius:var(--radius-lg); background:var(--bg-soft); border:1px solid transparent; transition:var(--transition-all); }
.stat-card:hover { border-color:rgba(226,163,58,0.3); box-shadow:var(--shadow-card); transform:translateY(-4px); }
.stat-num { font-size:44px; font-weight:800; color:var(--primary); line-height:1.2; letter-spacing:-1px; }
.stat-num small { font-size:18px; color:var(--accent); margin-left:2px; }
.stat-label { font-size:14px; color:var(--text-muted); margin-top:8px; font-weight:500; }

/* About */
.about-grid { display:grid; grid-template-columns:0.95fr 1.35fr; gap:52px; align-items:center; }
.about-media { position:relative; border-radius:20px; overflow:hidden; box-shadow:var(--shadow-card-lg); }
.about-media img { width:100%; height:340px; object-fit:cover; }
.about-media::after { content:''; position:absolute; inset:0; background:linear-gradient(to top, rgba(11,31,63,0.35) 0%, transparent 55%); }
.about-badge { position:absolute; bottom:20px; right:20px; background:rgba(255,255,255,0.95); border-radius:14px; padding:12px 20px; box-shadow:var(--shadow-card); font-size:14px; font-weight:700; color:var(--primary); z-index:2; }
.about-content h2 { font-size:32px; font-weight:800; color:var(--primary); line-height:1.3; margin-bottom:18px; letter-spacing:-0.5px; }
.about-content p { color:var(--text-muted); font-size:15px; line-height:1.9; margin-bottom:20px; }
.about-points { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:26px; }
.about-point { display:flex; align-items:center; gap:10px; font-size:14px; font-weight:500; color:#334155; background:#fff; padding:12px 16px; border-radius:12px; border:1px solid var(--border-light); transition:var(--transition-all); }
.about-point:hover { border-color:rgba(226,163,58,0.4); box-shadow:var(--shadow-card); }
.about-point i { color:var(--accent); font-size:16px; }

/* Categories */
.categories-section { background:#fff; }
.cat-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.cat-card { border-radius:20px; overflow:hidden; border:1px solid var(--border-light); background:#fff; transition:var(--transition-all); position:relative; box-shadow:0 2px 10px rgba(2,12,27,0.04); }
.cat-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-card-lg); border-color:transparent; }
.cat-card-img { position:relative; height:240px; overflow:hidden; }
.cat-card-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s ease; }
.cat-card:hover .cat-card-img img { transform:scale(1.06); }
.cat-card-img::after { content:''; position:absolute; inset:0; background:linear-gradient(to top, rgba(11,31,63,0.55) 0%, transparent 60%); }
.cat-card-tags { position:absolute; top:16px; left:16px; z-index:2; display:flex; gap:8px; flex-wrap:wrap; }
.cat-tag { background:rgba(255,255,255,0.88); backdrop-filter:blur(4px); color:var(--primary); font-size:12px; font-weight:700; padding:4px 12px; border-radius:20px; }
.cat-card-content { padding:26px; }
.cat-card-content h3 { font-size:22px; font-weight:800; color:var(--primary); margin-bottom:10px; }
.cat-card-content p { font-size:14px; color:var(--text-muted); line-height:1.7; margin-bottom:18px; }
.cat-card-link { display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:600; color:var(--accent-dark); }
.cat-card-link:hover { gap:12px; color:var(--primary); }

/* Latest news */
.latest-section { background:var(--bg-soft); }
.news-list { display:flex; flex-direction:column; gap:18px; max-width:860px; margin:0 auto; }
.news-item { display:flex; align-items:flex-start; gap:20px; background:#fff; border:1px solid var(--border-light); border-radius:16px; padding:24px; transition:var(--transition-all); }
.news-item:hover { box-shadow:var(--shadow-card); transform:translateY(-3px); border-color:rgba(226,163,58,0.25); }
.news-item-cat { display:inline-block; background:rgba(11,31,63,0.06); color:var(--primary); font-size:12px; font-weight:700; padding:3px 12px; border-radius:20px; margin-bottom:8px; }
.news-item h4 { font-size:17px; font-weight:700; color:var(--text-ink); line-height:1.4; margin-bottom:6px; transition:var(--transition-all); }
.news-item:hover h4 { color:var(--primary); }
.news-item p { font-size:13px; color:var(--text-muted); line-height:1.5; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.news-item-time { color:#94a3b8; font-size:12px; white-space:nowrap; flex-shrink:0; display:flex; align-items:center; gap:6px; padding-top:4px; }
.empty-tip { text-align:center; color:var(--text-muted); padding:60px 20px; background:#fff; border-radius:16px; font-size:15px; border:1px dashed var(--border-light); }

/* Steps */
.steps-section { background:var(--primary); position:relative; overflow:hidden; }
.steps-section::before { content:''; position:absolute; top:-40%; right:-20%; width:700px; height:700px; background:radial-gradient(circle, rgba(226,163,58,0.18) 0%, transparent 60%); }
.steps-section::after { content:''; position:absolute; bottom:-30%; left:-10%; width:500px; height:500px; background:radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%); }
.steps-section .section-tag { color:#f5d9a0; background:rgba(226,163,58,0.15); }
.steps-section h2 { color:#fff; }
.steps-section .section-header p { color:rgba(255,255,255,0.7); }
.steps-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; position:relative; z-index:2; }
.step-card { background:rgba(255,255,255,0.08); backdrop-filter:blur(6px); border:1px solid rgba(255,255,255,0.14); border-radius:20px; padding:34px 26px; text-align:center; transition:var(--transition-all); }
.step-card:hover { background:rgba(255,255,255,0.14); transform:translateY(-6px); border-color: rgba(255,255,255,0.25); }
.step-num { width:56px; height:56px; border-radius:16px; background:var(--accent); color:var(--primary); font-size:22px; font-weight:800; display:flex; align-items:center; justify-content:center; margin:0 auto 18px; box-shadow:0 4px 16px rgba(226,163,58,0.4); }
.step-card h4 { color:#fff; font-size:17px; font-weight:700; margin-bottom:10px; }
.step-card p { color:rgba(255,255,255,0.7); font-size:13px; line-height:1.6; }

/* Feature cards */
.features-section { background:#fff; }
.feature-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; }
.feature-card { border-radius:16px; overflow:hidden; border:1px solid var(--border-light); background:#fff; transition:var(--transition-all); }
.feature-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-card-lg); }
.feature-card-img { height:160px; overflow:hidden; position:relative; }
.feature-card-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s ease; }
.feature-card:hover .feature-card-img img { transform:scale(1.06); }
.feature-card-body { padding:20px 22px 24px; }
.feature-card-body h4 { font-size:16px; font-weight:700; color:var(--text-ink); margin-bottom:6px; }
.feature-card-body p { font-size:13px; color:var(--text-muted); line-height:1.6; }
.feature-icon { position:absolute; top:12px; right:12px; width:36px; height:36px; border-radius:10px; background:rgba(11,31,63,0.85); color:var(--accent); display:flex; align-items:center; justify-content:center; font-size:14px; z-index:2; backdrop-filter:blur(4px); }

/* FAQ */
.faq-section { background:var(--bg-soft); }
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { background:#fff; border:1px solid var(--border-light); border-radius:14px; margin-bottom:14px; overflow:hidden; transition:var(--transition-all); }
.faq-item:hover { border-color:rgba(226,163,58,0.3); }
.faq-item.active { box-shadow:var(--shadow-card); border-color: rgba(226,163,58,0.4); }
.faq-question { width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 24px; font-size:16px; font-weight:600; color:var(--text-ink); text-align:left; transition:var(--transition-all); }
.faq-question:hover { color:var(--primary); }
.faq-item.active .faq-question { color:var(--primary); }
.faq-question i { font-size:14px; color:var(--accent); transition:transform 0.3s ease; flex-shrink:0; }
.faq-item.active .faq-question i { transform:rotate(45deg); }
.faq-answer { max-height:0; overflow:hidden; transition:max-height 0.4s ease; }
.faq-answer-inner { padding:0 24px 22px; font-size:14px; color:var(--text-muted); line-height:1.8; }

/* CTA */
.cta-section { position:relative; background-size:cover; background-position:center; padding:84px 0; text-align:center; overflow:hidden; }
.cta-section::before { content:''; position:absolute; inset:0; background:rgba(11,31,63,0.85); }
.cta-inner { position:relative; z-index:2; max-width:640px; margin:0 auto; }
.cta-inner h2 { color:#fff; font-size:36px; font-weight:800; margin-bottom:14px; }
.cta-inner p { color:rgba(255,255,255,0.8); font-size:16px; margin-bottom:30px; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-section h1 { font-size:40px; }
    .feature-grid { grid-template-columns:repeat(2,1fr); }
    .stats-grid { grid-template-columns:repeat(2,1fr); }
    .about-grid { grid-template-columns:1fr; gap:36px; }
    .steps-grid { grid-template-columns:repeat(2,1fr); }
    .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 768px) {
    .header-inner { height:64px; }
    .site-nav { display:none; }
    .mobile-menu-btn { display:flex; }
    .header-cta { display:none; }
    .mobile-nav-open .site-nav { display:flex; flex-direction:column; position:absolute; top:64px; left:0; right:0; background:#fff; border-bottom:1px solid var(--border-light); padding:12px; border-radius:0 0 16px 16px; box-shadow:0 20px 40px rgba(0,0,0,0.08); }
    .hero-section { padding:80px 0 64px; }
    .hero-section h1 { font-size:34px; }
    .hero-section p.hero-sub { font-size:15px; }
    .section-pad { padding:56px 0; }
    .section-header h2 { font-size:28px; }
    .cat-grid { grid-template-columns:1fr; }
    .news-item { flex-direction:column; gap:12px; }
    .news-item-time { align-self:flex-start; }
    .footer-grid { grid-template-columns:1fr; gap:28px; }
}
@media (max-width: 520px) {
    .container { padding:0 16px; }
    .hero-section h1 { font-size:28px; }
    .hero-actions .btn { width:100%; }
    .stats-grid { grid-template-columns:1fr 1fr; gap:14px; }
    .stat-num { font-size:32px; }
    .feature-grid { grid-template-columns:1fr; }
    .steps-grid { grid-template-columns:1fr; }
    .about-points { grid-template-columns:1fr; }
    .footer-bottom { flex-direction:column; text-align:center; }
    .section-header h2 { font-size:24px; }
}

/* roulang page: category1 */
:root {
    --primary: #FF6B35;
    --primary-dark: #E5532D;
    --navy: #141B2D;
    --navy-light: #1E2A4A;
    --accent: #4CC9F0;
    --bg: #F8F9FC;
    --bg-soft: #EEF0F6;
    --text: #1E293B;
    --text-light: #64748B;
    --border: #E2E8F0;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .08);
    --shadow-lg: 0 20px 45px rgba(0, 0, 0, .12);
    --transition: all .25s ease;
  }

  *,
  *::before,
  *::after {
    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', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

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

  .container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* 头部导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, .7);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 20px;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    color: var(--navy);
    flex-shrink: 0;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #FF9A5C);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 6px 16px rgba(255, 107, 53, .35);
  }

  .logo-text {
    letter-spacing: .5px;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-soft);
    padding: 5px;
    border-radius: 999px;
    border: 1px solid var(--border);
  }

  .nav-link {
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
    transition: var(--transition);
  }

  .nav-link:hover {
    color: var(--primary);
    background: rgba(255, 107, 53, .08);
  }

  .nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 6px 18px rgba(255, 107, 53, .32);
  }

  .nav-link:focus-visible,
  .brand-logo:focus-visible,
  .btn-primary:focus-visible,
  .chip-btn:focus-visible {
    outline: 3px solid rgba(76, 201, 240, .6);
    outline-offset: 2px;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    border: 1px solid var(--border);
    background: #fff;
    transition: var(--transition);
    flex-shrink: 0;
  }

  .header-cta:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .06);
  }

  /* Hero */
  .page-hero {
    position: relative;
    background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
    padding: 84px 0 90px;
    overflow: hidden;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(20, 27, 45, .88) 0%, rgba(20, 27, 45, .65) 55%, rgba(255, 107, 53, .35) 100%);
  }

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

  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .25);
    backdrop-filter: blur(6px);
    color: #fff;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
  }

  .hero-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: 1px;
    margin-bottom: 16px;
  }

  .hero-title span {
    color: var(--primary);
    background: linear-gradient(135deg, #FF9A5C, var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-desc {
    color: rgba(255, 255, 255, .85);
    font-size: 16px;
    max-width: 620px;
    margin-bottom: 32px;
    line-height: 1.8;
  }

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

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 28px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 8px 24px rgba(255, 107, 53, .35);
    transition: var(--transition);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(255, 107, 53, .45);
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 28px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .4);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    background: rgba(255, 255, 255, .08);
    backdrop-filter: blur(6px);
    transition: var(--transition);
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, .18);
    border-color: rgba(255, 255, 255, .7);
  }

  /* 筛选区 */
  .filter-section {
    padding: 48px 0 60px;
    border-bottom: 1px solid var(--border);
    background: #fff;
  }

  .section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 36px;
  }

  .section-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
  }

  .section-title {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 12px;
    line-height: 1.3;
  }

  .section-sub {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
  }

  .filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
  }

  .chip-btn {
    padding: 10px 24px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    background: var(--bg-soft);
    border: 1px solid var(--border);
    transition: var(--transition);
    white-space: nowrap;
  }

  .chip-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(255, 107, 53, .06);
  }

  .chip-btn.active {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
    box-shadow: 0 6px 18px rgba(20, 27, 45, .25);
  }

  /* 资讯列表 */
  .latest-section {
    padding: 70px 0;
    background: var(--bg);
  }

  .latest-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
  }

  .news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .news-card {
    display: flex;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, .6);
    transition: var(--transition);
  }

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

  .news-thumb {
    width: 280px;
    min-height: 180px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
  }

  .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }

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

  .news-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: rgba(20, 27, 45, .8);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
  }

  .news-info {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
  }

  .news-meta .tag {
    color: var(--primary);
    font-weight: 600;
  }

  .news-info h3 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    color: var(--navy);
  }

  .news-info h3 a:hover {
    color: var(--primary);
  }

  .news-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
  }

  .news-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
  }

  .news-more i {
    transition: transform .25s ease;
  }

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

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

  /* 侧栏 */
  .sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .widget {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, .6);
  }

  .widget-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--navy);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
  }

  .widget-title i {
    color: var(--primary);
  }

  .rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

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

  .rank-num {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--bg-soft);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
    transition: var(--transition);
  }

  .rank-item:nth-child(-n+2) .rank-num {
    background: var(--primary);
    color: #fff;
  }

  .rank-item:hover .rank-num {
    background: var(--navy);
    color: #fff;
  }

  .rank-link {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text);
    transition: var(--transition);
  }

  .rank-link:hover {
    color: var(--primary);
  }

  .rank-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
  }

  .widget-tagcloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .widget-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
  }

  .widget-tag:hover {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
  }

  /* 数据统计 */
  .data-section {
    background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
    position: relative;
    padding: 70px 0;
  }

  .data-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(20, 27, 45, .95), rgba(20, 27, 45, .82));
  }

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

  .data-head {
    text-align: center;
    color: #fff;
    margin-bottom: 46px;
  }

  .data-head .section-eyebrow {
    color: #FF9A5C;
  }

  .data-head .section-title {
    color: #fff;
  }

  .data-head .section-sub {
    color: rgba(255, 255, 255, .7);
  }

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

  .data-item {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
  }

  .data-item:hover {
    background: rgba(255, 255, 255, .14);
    transform: translateY(-4px);
  }

  .data-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 8px;
  }

  .data-label {
    color: rgba(255, 255, 255, .8);
    font-size: 15px;
    font-weight: 500;
  }

  /* 专题推荐 */
  .topics-section {
    padding: 70px 0;
    background: #fff;
  }

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

  .topic-card {
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
  }

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

  .topic-img {
    height: 180px;
    overflow: hidden;
    position: relative;
  }

  .topic-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }

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

  .topic-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(20, 27, 45, .5));
  }

  .topic-body {
    padding: 24px;
  }

  .topic-tag {
    display: inline-block;
    background: rgba(255, 107, 53, .1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 12px;
  }

  .topic-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 10px;
    line-height: 1.4;
  }

  .topic-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 18px;
  }

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

  .topic-link i {
    transition: transform .25s ease;
  }

  .topic-link:hover {
    color: var(--primary);
  }

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

  /* FAQ */
  .faq-section {
    padding: 70px 0;
    background: var(--bg);
  }

  .faq-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
  }

  .faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

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

  .faq-item:hover {
    border-color: rgba(255, 107, 53, .4);
  }

  .faq-question {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--navy);
    gap: 16px;
  }

  .faq-question i {
    color: var(--primary);
    font-size: 13px;
    transition: transform .3s ease;
    flex-shrink: 0;
  }

  .faq-item.open .faq-question i {
    transform: rotate(180deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }

  .faq-answer-inner {
    padding: 0 22px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    padding-top: 16px;
  }

  .faq-side {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: var(--radius-lg);
    padding: 36px;
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .faq-side::after {
    content: '\f059';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: -20px;
    bottom: -20px;
    font-size: 100px;
    opacity: .08;
  }

  .faq-side h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.4;
  }

  .faq-side p {
    color: rgba(255, 255, 255, .75);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
  }

  .faq-side .btn-primary {
    background: #fff;
    color: var(--navy);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
  }

  .faq-side .btn-primary:hover {
    background: var(--primary);
    color: #fff;
  }

  /* CTA */
  .cta-section {
    padding: 80px 0;
    background: linear-gradient(120deg, #FF6B35, #E5532D);
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    top: -120px;
    right: -80px;
  }

  .cta-section::after {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    bottom: -60px;
    left: 10%;
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
  }

  .cta-inner h2 {
    font-size: clamp(26px, 3.4vw, 40px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.3;
  }

  .cta-inner p {
    color: rgba(255, 255, 255, .9);
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.8;
  }

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

  .cta-btns .btn-primary {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
  }

  .cta-btns .btn-primary:hover {
    background: var(--navy);
    color: #fff;
  }

  .cta-btns .btn-ghost {
    border-color: rgba(255, 255, 255, .6);
  }

  /* 页脚 */
  .site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, .7);
    padding: 60px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .footer-brand .brand-logo {
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
  }

  .footer-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: .5px;
  }

  .footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
    flex-wrap: wrap;
    gap: 12px;
  }

  /* 响应式 */
  @media (max-width: 1024px) {
    .latest-grid {
      grid-template-columns: 1fr;
    }

    .sidebar {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

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

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

  @media (max-width: 768px) {
    .container {
      padding: 0 18px;
    }

    .header-inner {
      flex-wrap: wrap;
      min-height: auto;
      padding: 12px 0;
    }

    .site-nav {
      order: 3;
      width: 100%;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      justify-content: flex-start;
      border-radius: 14px;
    }

    .site-nav::-webkit-scrollbar {
      display: none;
    }

    .header-cta {
      display: none;
    }

    .page-hero {
      padding: 64px 0 68px;
    }

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

    .news-thumb {
      width: 100%;
      height: 200px;
    }

    .data-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

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

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

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

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

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

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

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

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

    .filter-tabs {
      flex-wrap: nowrap;
      overflow-x: auto;
      justify-content: flex-start;
      padding-bottom: 8px;
      scrollbar-width: none;
    }

    .filter-tabs::-webkit-scrollbar {
      display: none;
    }
  }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e11d48;
            --primary-dark: #be123c;
            --secondary: #0f172a;
            --accent: #f59e0b;
            --bg-light: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-lg: 1.5rem;
            --radius-md: 0.75rem;
            --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 12px 40px rgba(15, 23, 42, 0.14);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.6;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-main);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
            flex-shrink: 0;
        }

        .brand-logo:hover .logo-icon {
            transform: rotate(-8deg) scale(1.05);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            background: #f1f5f9;
            padding: 4px;
            border-radius: 999px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.55rem 1.3rem;
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.6);
        }

        .nav-link.active {
            background: #ffffff;
            color: var(--primary);
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
            font-weight: 700;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.4rem;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
            transition: var(--transition-base);
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(225, 29, 72, 0.4);
        }

        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: #f1f5f9;
            color: var(--text-main);
            font-size: 1.1rem;
            transition: var(--transition-base);
        }

        .nav-toggle:hover {
            background: #e2e8f0;
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
            padding: 1rem 1.25rem;
            z-index: 99;
        }

        .mobile-menu.open {
            display: block;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-menu .site-nav-mobile {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .mobile-menu .nav-link {
            display: flex;
            justify-content: center;
            width: 100%;
            padding: 0.8rem;
            border-radius: 10px;
            font-size: 1rem;
        }

        .mobile-menu .nav-link.active {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 页面横幅 ===== */
        .page-hero {
            position: relative;
            padding: 5rem 0 4.5rem;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(30, 41, 59, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.25), transparent 60%);
            pointer-events: none;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15), transparent 60%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            padding: 0.4rem 1.2rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 1.1rem;
            text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .page-hero .hero-lead {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2.2rem;
            flex-wrap: wrap;
        }

        .hero-meta .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.5rem 1.2rem;
            border-radius: 999px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
        }

        /* ===== 筛选标签 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 2.5rem;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.25rem;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition-base);
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(225, 29, 72, 0.3);
        }

        /* ===== 攻略卡片 ===== */
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(225, 29, 72, 0.2);
        }

        .guide-card .card-cover {
            position: relative;
            height: 210px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

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

        .guide-card .card-cover .card-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(15, 23, 42, 0.78);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
        }

        .guide-card .card-cover .duration-chip {
            position: absolute;
            right: 1rem;
            bottom: 1rem;
            background: rgba(255, 255, 255, 0.9);
            color: var(--text-main);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .guide-card .card-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 0.75rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .guide-card .card-meta .author {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .guide-card .author .avatar {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
        }

        .guide-card .card-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 0.5rem;
            color: var(--text-main);
            transition: var(--transition-base);
        }

        .guide-card:hover .card-body h3 {
            color: var(--primary);
        }

        .guide-card .card-body .desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .guide-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.9rem;
            border-top: 1px solid #f1f5f9;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .guide-card .card-footer .read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
        }

        .guide-card .card-footer .read-more:hover {
            gap: 0.6rem;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--secondary);
            padding: 4.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
        }

        .stats-section .stats-head {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            margin-bottom: 3rem;
        }

        .stats-section .stats-head .section-tag {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent);
        }

        .stats-section .stats-head h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .stats-section .stats-head p {
            color: rgba(255, 255, 255, 0.6);
            margin-top: 0.5rem;
        }

        .stat-item {
            text-align: center;
            padding: 2.2rem 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(4px);
            transition: var(--transition-base);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

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

        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            text-align: center;
            position: relative;
            padding: 0 0.5rem;
        }

        .step-item .step-num {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.25rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 8px 24px rgba(225, 29, 72, 0.25);
            position: relative;
        }

        .step-item .step-num::after {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px dashed rgba(225, 29, 72, 0.3);
            animation: spin 20s linear infinite;
            pointer-events: none;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 240px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(225, 29, 72, 0.2);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: var(--transition-base);
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

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

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.3rem;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.93rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, var(--primary) 0%, #f43f5e 50%, var(--accent) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 0.9rem 2.5rem;
            border-radius: 999px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
            transition: var(--transition-base);
        }

        .cta-btn:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            color: #94a3b8;
            padding: 4rem 0 0;
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }

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

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        /* ===== 焦点可访问性 ===== */
        a:focus,
        button:focus,
        summary:focus {
            outline: 3px solid rgba(225, 29, 72, 0.35);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .page-hero {
                padding: 3.5rem 0 3rem;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }

            .page-hero .hero-lead {
                font-size: 1.05rem;
            }

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

            .cta-content h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.85rem;
            }

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

            .filter-bar {
                overflow-x: auto;
                flex-wrap: nowrap;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.5rem;
            }

            .filter-chip {
                flex-shrink: 0;
            }

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

            .hero-meta .meta-chip {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #60a5fa;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --bg: #f8fafc;
            --white: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --shadow: 0 4px 24px rgba(2,6,23,0.06);
            --shadow-lg: 0 12px 40px rgba(2,6,23,0.12);
            --header-h: 72px;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
                'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            background-color: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
            border: none;
            background: none;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 2px 20px rgba(2, 6, 23, 0.04);
            transition: box-shadow .3s ease;
        }

        .site-header:hover {
            box-shadow: 0 4px 28px rgba(2, 6, 23, 0.07);
        }

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

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .brand-logo:hover .logo-icon {
            transform: scale(1.05) rotate(-4deg);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(120deg, var(--dark), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 4px;
            background: #f1f5f9;
            border-radius: 14px;
        }

        .nav-link {
            padding: 8px 20px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: all .25s ease;
            white-space: nowrap;
        }

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

        .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-link.active {
            background: var(--white);
            color: var(--primary);
            box-shadow: 0 2px 10px rgba(2, 6, 23, 0.06);
            font-weight: 700;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: #f1f5f9;
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background .2s ease, color .2s ease;
        }

        .nav-toggle:hover {
            background: #e2e8f0;
            color: var(--primary);
        }

        @media (max-width: 900px) {
            .nav-toggle {
                display: flex;
            }

            .site-nav {
                position: fixed;
                top: var(--header-h);
                left: 16px;
                right: 16px;
                background: var(--white);
                border-radius: 14px;
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                display: none;
                z-index: 99;
                border: 1px solid var(--border);
            }

            .site-nav.open {
                display: flex;
                animation: navFade .25s ease;
            }

            .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
            }

            .nav-link.active {
                background: #eff6ff;
            }

            @keyframes navFade {
                from {
                    opacity: 0;
                    transform: translateY(-8px);
                }
                to {
                    opacity: 1;
                    transform: translateY(0);
                }
            }
        }

        /* ===== Common Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid transparent;
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all .3s ease;
            line-height: 1.2;
            text-align: center;
            color: var(--white);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.24);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.24);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.28);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.36);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, 0.04);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 14px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.4);
            outline-offset: 2px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 100px 0 90px;
            color: #fff;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(2, 6, 23, 0.88) 20%, rgba(15, 23, 42, 0.72) 60%, rgba(30, 64, 175, 0.55));
        }

        .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.8);
            transition: color .25s ease;
        }

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

        .breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 158, 11, 0.18);
            border: 1px solid rgba(245, 158, 11, 0.5);
            color: #fcd34d;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            backdrop-filter: blur(8px);
        }

        .article-banner h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 22px;
            letter-spacing: -0.01em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: rgba(245, 158, 11, 0.9);
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: 70px 0 60px;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.85rem;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== Article Main ===== */
        .article-main-section {
            padding: 64px 0 40px;
        }

        .article-card {
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.7);
        }

        .article-feature-image {
            width: 100%;
            max-height: 440px;
            object-fit: cover;
        }

        .article-body {
            padding: 44px 48px 20px;
        }

        .article-content {
            font-size: 1.06rem;
            line-height: 1.85;
            color: #334155;
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 750;
            color: var(--dark);
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            padding-left: 1rem;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.28rem;
            font-weight: 700;
            color: var(--dark-2);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }

        .article-content p {
            margin-bottom: 1.2rem;
        }

        .article-content img {
            border-radius: 14px;
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.3rem;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 0.5rem;
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 0.5rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #fffbeb;
            padding: 1.1rem 1.5rem;
            border-radius: 0 14px 14px 0;
            margin: 1.6rem 0;
            color: #78350f;
            font-style: italic;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 600;
            transition: color .25s ease;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

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

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

        .article-content figure {
            margin: 1.5rem 0;
        }

        .article-content figcaption {
            text-align: center;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 0.6rem;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: #f1f5f9;
            border-radius: 999px;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: all .25s ease;
        }

        .article-tag:hover {
            background: #eff6ff;
            color: var(--primary);
            border-color: rgba(37, 99, 235, 0.25);
        }

        .article-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 28px;
            padding: 10px 22px;
            border-radius: 10px;
            background: #f1f5f9;
            color: var(--text-muted);
            font-weight: 600;
            transition: all .25s ease;
        }

        .article-back:hover {
            background: #eff6ff;
            color: var(--primary);
            transform: translateX(-4px);
        }

        @media (max-width: 900px) {
            .article-body {
                padding: 32px 24px 16px;
            }
        }

        @media (max-width: 520px) {
            .article-body {
                padding: 24px 16px 12px;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.35rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .widget {
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow);
            padding: 28px 26px;
            border: 1px solid rgba(226, 232, 240, 0.7);
        }

        .widget-title {
            font-size: 1.1rem;
            font-weight: 750;
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--border);
            position: relative;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .widget-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 44px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .widget-title i {
            color: var(--primary);
        }

        .latest-posts {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .latest-post-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 0;
            border-radius: 10px;
            transition: all .2s ease;
        }

        .latest-post-item + .latest-post-item {
            border-top: 1px dashed var(--border);
        }

        .latest-post-item:hover {
            background: #f8fafc;
            padding-left: 8px;
            padding-right: 4px;
        }

        .latest-post-dot {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: #eff6ff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
            transition: all .25s ease;
        }

        .latest-post-item:hover .latest-post-dot {
            background: var(--primary);
            color: #fff;
        }

        .latest-post-title {
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            transition: color .25s ease;
        }

        .latest-post-item:hover .latest-post-title {
            color: var(--primary);
        }

        .widget-cats {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #f1f5f9;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: all .25s ease;
        }

        .cat-chip:hover {
            background: #eff6ff;
            color: var(--primary);
            transform: translateY(-2px);
        }

        .widget-cta {
            border-radius: 16px;
            background: linear-gradient(150deg, #1e40af, #0f172a);
            color: #fff;
            padding: 28px 24px;
            border: none;
            position: relative;
            overflow: hidden;
        }

        .widget-cta::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -40%;
            width: 90%;
            height: 90%;
            border-radius: 50%;
            background: rgba(96, 165, 250, 0.12);
        }

        .widget-cta h4 {
            font-size: 1.2rem;
            font-weight: 750;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .widget-cta p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .widget-cta .btn {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        @media (max-width: 900px) {
            .sidebar {
                margin-top: 40px;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .widget-cta {
                grid-column: span 2;
            }
        }

        @media (max-width: 560px) {
            .sidebar {
                grid-template-columns: 1fr;
            }
            .widget-cta {
                grid-column: auto;
            }
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 56px 0 80px;
            background: var(--white);
        }

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

        .related-card {
            background: var(--white);
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .3s ease;
            display: block;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .related-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .related-content {
            padding: 18px 18px 20px;
        }

        .related-cat {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: inline-block;
            letter-spacing: 0.02em;
        }

        .related-title {
            font-size: 1rem;
            font-weight: 650;
            color: var(--dark);
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            transition: color .25s ease;
        }

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

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

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section {
                padding: 48px 0 56px;
            }
        }

        /* ===== Not Found ===== */
        .not-found-section {
            padding: 110px 0;
            text-align: center;
        }

        .not-found-icon {
            width: 96px;
            height: 96px;
            border-radius: 50%;
            background: #f1f5f9;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            margin-bottom: 28px;
        }

        .not-found-section h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 14px;
        }

        .not-found-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 32px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            padding: 88px 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(2, 6, 23, 0.92), rgba(15, 23, 42, 0.85), rgba(30, 64, 175, 0.75));
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 auto;
        }

        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.45);
            color: #fcd34d;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 22px;
        }

        .cta-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-text {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 30px;
            line-height: 1.7;
        }

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

        @media (max-width: 520px) {
            .cta-section {
                padding: 60px 0;
                background-attachment: scroll;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--white);
            border-radius: 14px;
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, 0.7);
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .faq-item:hover {
            border-color: rgba(37, 99, 235, 0.25);
            box-shadow: var(--shadow-lg);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
        }

        .faq-q .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: #eff6ff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }

        .faq-a {
            padding-left: 42px;
            margin-top: 12px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        @media (max-width: 520px) {
            .faq-item {
                padding: 20px;
            }
            .faq-a {
                padding-left: 0;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-grid {
            max-width: var(--container);
            margin: 0 auto;
            padding: 60px 24px 40px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 0.92rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-brand .brand-logo .logo-icon {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
        }

        .footer-brand .brand-logo .logo-text {
            background: linear-gradient(120deg, #fff, #bfdbfe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-links a:focus-visible {
            outline: 2px solid rgba(245, 158, 11, 0.6);
            outline-offset: 4px;
            border-radius: 4px;
        }

        .footer-bottom {
            max-width: var(--container);
            margin: 0 auto;
            padding: 22px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                padding: 48px 24px 32px;
                gap: 32px;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 42px 20px 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 18px 16px;
            }
        }