/* roulang page: index */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5a4bd1;
  --primary-light: #8f7ff0;
  --accent: #ff6b35;
  --accent-soft: #fff0ea;
  --bg-dark: #12101f;
  --bg-dark-2: #1c1930;
  --bg-light: #f7f6fc;
  --bg-white: #ffffff;
  --text: #171631;
  --text-muted: #7a7a92;
  --border: #e8e6f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(108, 92, 231, 0.12);
  --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.18);
  --shadow-accent: 0 8px 24px rgba(255, 107, 53, 0.25);
  --spacing-section: 96px;
  --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", "Noto Sans SC", sans-serif;
  font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; outline: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 50px; font-size: 15px; font-weight: 600;
  transition: all .3s ease; white-space: nowrap; line-height: 1.4;
}
.btn:focus-visible { outline: 3px solid rgba(108,92,231,.4); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(108,92,231,.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108,92,231,.4); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-outline-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); }
.btn-outline-light:hover { background: rgba(255,255,255,.14); border-color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-accent { background: var(--accent); color: #fff; box-shadow: var(--shadow-accent); }
.btn-accent:hover { background: #e85a2a; transform: translateY(-2px); }

.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 14px;
  border-radius: 20px; font-size: 12px; font-weight: 600; letter-spacing: .5px;
  background: var(--accent-soft); color: var(--accent);
}
.badge-purple { background: rgba(108,92,231,.1); color: var(--primary); }
.badge-green { background: rgba(46,213,115,.1); color: #2ed573; }
.badge-blue { background: rgba(54,114,255,.1); color: #3672ff; }

.section { padding: var(--spacing-section) 0; }
.section-label {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--primary); margin-bottom: 8px;
}
.section-title { font-size: 38px; font-weight: 800; line-height: 1.25; margin-bottom: 12px; color: var(--text); }
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 640px; margin-bottom: 40px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

.site-header {
  position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--text); }
.brand-icon {
  width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #a855f7);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px;
  box-shadow: 0 4px 12px rgba(108,92,231,.35);
}
.brand-text { font-weight: 800; font-size: 22px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-flex; align-items: center; padding: 10px 20px; border-radius: 50px;
  font-size: 15px; font-weight: 600; color: var(--text-muted); transition: all .25s;
}
.nav-link:hover { color: var(--primary); background: rgba(108,92,231,.08); }
.nav-link.active { color: var(--primary); background: rgba(108,92,231,.12); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; font-size: 20px; color: var(--text); background: var(--bg-light); transition: background .2s; }
.nav-toggle:hover { background: var(--border); }

.hero {
  position: relative; min-height: 680px; display: flex; align-items: center;
  background: var(--bg-dark); color: #fff; overflow: hidden; padding: 80px 0;
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: .35; z-index: 0;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(18,16,31,.95) 0%, rgba(18,16,31,.75) 50%, rgba(108,92,231,.35) 100%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); padding: 6px 18px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 24px; backdrop-filter: blur(8px); }
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.2; margin-bottom: 16px; letter-spacing: -1px; }
.hero h1 .highlight { background: linear-gradient(135deg, var(--accent), #ffd700); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.lead { font-size: 17px; color: rgba(255,255,255,.8); max-width: 520px; margin-bottom: 32px; line-height: 1.8; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat .num { font-size: 28px; font-weight: 800; color: #fff; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,.6); }

.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px; padding: 32px; backdrop-filter: blur(16px); position: relative;
  box-shadow: 0 30px 60px rgba(0,0,0,.4);
}
.hero-card .card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.hero-card .card-head h4 { font-size: 16px; font-weight: 700; }
.hero-card .live-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #2ed573; }
.live-dot::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #2ed573; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(1.4); } }
.hero-card .game-list { display: flex; flex-direction: column; gap: 10px; }
.hero-card .game-row { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,.05); border-radius: 12px; padding: 10px 14px; transition: background .2s; }
.hero-card .game-row:hover { background: rgba(255,255,255,.1); }
.hero-card .game-row .rank { font-size: 18px; font-weight: 800; color: var(--accent); width: 28px; }
.hero-card .game-row .thumb { width: 44px; height: 44px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: var(--bg-dark-2); }
.hero-card .game-row .info { flex: 1; }
.hero-card .game-row .info .name { font-size: 14px; font-weight: 600; color: #fff; }
.hero-card .game-row .info .type { font-size: 12px; color: rgba(255,255,255,.5); }
.hero-card .game-row .trend { font-size: 12px; font-weight: 600; color: #2ed573; }

.trust-bar { background: var(--bg-white); border-bottom: 1px solid var(--border); padding: 24px 0; }
.trust-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted); font-weight: 600; }
.trust-item i { color: var(--primary); font-size: 18px; }

.features { background: var(--bg-light); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-white); border-radius: var(--radius); padding: 32px 24px;
  border: 1px solid var(--border); transition: all .35s ease; position: relative; overflow: hidden;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card .icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 20px; background: rgba(108,92,231,.1); color: var(--primary);
}
.feature-card:nth-child(2) .icon { background: rgba(255,107,53,.1); color: var(--accent); }
.feature-card:nth-child(3) .icon { background: rgba(46,213,115,.1); color: #2ed573; }
.feature-card:nth-child(4) .icon { background: rgba(54,114,255,.1); color: #3672ff; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; }

.games { background: var(--bg-white); }
.games-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.game-card {
  background: var(--bg-white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); transition: all .35s ease;
}
.game-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.game-card .thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.game-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.game-card:hover .thumb img { transform: scale(1.06); }
.game-card .thumb .overlay {
  position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.4), transparent);
  display: flex; align-items: flex-end; padding: 16px;
}
.game-card .thumb .tag { font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px; background: rgba(255,255,255,.9); color: var(--text); }
.game-card .body { padding: 20px 22px 24px; }
.game-card .body h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.game-card .body p.desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.game-card .body .meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); }

.news { background: var(--bg-dark); color: #fff; position: relative; overflow: hidden; }
.news::before {
  content: ''; position: absolute; top: -200px; right: -200px; width: 500px; height: 500px;
  border-radius: 50%; background: radial-gradient(circle, rgba(108,92,231,.3), transparent 70%);
}
.news .section-title { color: #fff; }
.news .section-subtitle { color: rgba(255,255,255,.7); }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; position: relative; z-index: 2; }
.news-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 24px; transition: all .3s ease; display: block; color: #fff;
}
.news-card:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); transform: translateY(-4px); }
.news-card .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 13px; color: rgba(255,255,255,.6); }
.news-card .news-meta .sep { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.3); }
.news-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: #fff; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { font-size: 14px; color: rgba(255,255,255,.6); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-footer { display: flex; justify-content: flex-end; align-items: center; margin-top: 16px; font-size: 13px; color: var(--primary-light); }
.news-card .news-footer i { font-size: 12px; margin-left: 4px; transition: transform .2s; }
.news-card:hover .news-footer i { transform: translateX(4px); }
.news-empty { background: rgba(255,255,255,.06); border: 1px dashed rgba(255,255,255,.2); border-radius: var(--radius); padding: 48px; text-align: center; font-size: 16px; color: rgba(255,255,255,.5); grid-column: 1 / -1; }

.stats {
  background: linear-gradient(135deg, var(--primary-dark), #2c1654);
  color: #fff; padding: 72px 0; position: relative; overflow: hidden;
}
.stats::before {
  content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover; background-position: center; opacity: .12;
}
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; position: relative; z-index: 2; }
.stat-item .num { font-size: 48px; font-weight: 800; line-height: 1.2; background: linear-gradient(135deg, #fff, #d0c8f0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item .label { font-size: 15px; color: rgba(255,255,255,.7); margin-top: 4px; }
.stat-item .icon { font-size: 24px; margin-bottom: 8px; opacity: .6; }

.steps { background: var(--bg-white); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step-card { position: relative; padding: 40px 28px 32px; background: var(--bg-light); border-radius: var(--radius); border: 1px solid var(--border); transition: all .3s ease; }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step-card::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 48px; font-weight: 800; line-height: 1; color: rgba(108,92,231,.15); position: absolute; top: 20px; right: 24px;
}
.step-card .step-icon { width: 50px; height: 50px; border-radius: 14px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 18px; box-shadow: 0 6px 16px rgba(108,92,231,.3); }
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

.faq { background: var(--bg-light); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.faq-item.active { border-color: var(--primary); box-shadow: 0 4px 16px rgba(108,92,231,.1); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--text); text-align: left; transition: color .2s; }
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(108,92,231,.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 12px; transition: transform .3s, background .2s; flex-shrink: 0; }
.faq-item.active .faq-icon { transform: rotate(180deg); background: var(--primary); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s ease; color: var(--text-muted); font-size: 15px; line-height: 1.7; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }

.cta {
  position: relative; padding: 100px 0; background: var(--bg-dark); color: #fff; overflow: hidden;
  text-align: center;
}
.cta-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: .2; }
.cta-inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; padding: 0 24px; }
.cta h2 { font-size: 40px; font-weight: 800; margin-bottom: 16px; }
.cta p { font-size: 16px; color: rgba(255,255,255,.7); margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: #0c0b14; color: rgba(255,255,255,.7); padding: 64px 0 96px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 12px; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: rgba(255,255,255,.4); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.mobile-tabbar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,.95); backdrop-filter: blur(20px); border-top: 1px solid var(--border); padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); justify-content: space-around; box-shadow: 0 -4px 20px rgba(0,0,0,.04); }
.tab-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 6px 16px; border-radius: 12px; font-size: 11px; font-weight: 600; color: var(--text-muted); transition: color .2s, background .2s; }
.tab-item i { font-size: 20px; }
.tab-item.active { color: var(--primary); background: rgba(108,92,231,.08); }
.tab-item:hover { color: var(--primary); }

@media (max-width: 1024px) {
  .hero { min-height: auto; padding: 60px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 560px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --spacing-section: 64px; }
  .section-title { font-size: 30px; }
  .header-inner { height: 64px; }
  .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 16px 24px 24px; box-shadow: 0 12px 24px rgba(0,0,0,.08); border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .nav-link { padding: 14px 20px; font-size: 16px; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .header-actions .btn { display: none; }
  .hero h1 { font-size: 36px; }
  .hero-stats { gap: 20px; }
  .hero-stat .num { font-size: 22px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .mobile-tabbar { display: flex; }
  .site-footer { padding-bottom: 110px; }
}
@media (max-width: 520px) {
  .container { padding: 0 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .games-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .footer-brand p { margin-left: auto; margin-right: auto; }
  .footer-col ul { align-items: center; }
  .footer-bottom { justify-content: center; text-align: center; }
  .hero h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .cta h2 { font-size: 30px; }
  .hero-card { padding: 20px; }
  .game-card .thumb { aspect-ratio: 16/11; }
}

/* roulang page: article */
:root {
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #a78bfa;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --bg: #f8f7fc;
    --bg-white: #ffffff;
    --bg-dark: #0f0e1a;
    --bg-dark-2: #181631;
    --text: #2d2a3a;
    --text-light: #6e6a7e;
    --text-white: #f5f3ff;
    --border: #e4e0f0;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-md: 10px;
    --shadow-sm: 0 2px 10px rgba(15, 14, 26, 0.06);
    --shadow-md: 0 6px 24px rgba(15, 14, 26, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 14, 26, 0.12);
    --transition: all 0.3s ease;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; }
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(15, 14, 26, 0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 20px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
    flex-shrink: 0;
}
.brand-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
}
.brand-text span {
    color: var(--primary);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link {
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-light);
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.06);
}
.nav-link.active {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.1);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}
.btn:focus-visible {
    outline: 3px solid rgba(124, 58, 237, 0.4);
    outline-offset: 2px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}
.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
}
.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    background: transparent;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 18px;
    color: var(--text);
    transition: var(--transition);
}
.nav-toggle:hover {
    background: rgba(124, 58, 237, 0.08);
    color: var(--primary);
}
.article-hero {
    position: relative;
    padding: 110px 0 70px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--text-white);
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 14, 26, 0.88) 0%, rgba(24, 22, 49, 0.72) 50%, rgba(109, 40, 217, 0.45) 100%);
    z-index: 1;
}
.article-hero .container {
    position: relative;
    z-index: 2;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb i {
    font-size: 10px;
    opacity: 0.6;
}
.breadcrumb .current {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}
.article-hero-info {
    max-width: 820px;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.badge-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    margin-bottom: 16px;
}
.article-hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    max-width: 800px;
}
.article-hero-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    flex-wrap: wrap;
}
.article-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-hero-meta i {
    color: var(--accent);
}
.stat-strip {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
}
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-item {
    text-align: center;
    padding: 10px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
}
.stat-item:hover {
    background: var(--bg);
    transform: translateY(-2px);
}
.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.3;
}
.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}
.article-section {
    padding: 60px 0;
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
}
.article-main {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 40px;
    border: 1px solid var(--border);
}
.article-body {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text);
}
.article-body p {
    margin-bottom: 18px;
}
.article-body h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 32px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(124, 58, 237, 0.15);
    color: var(--text);
    letter-spacing: -0.3px;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 26px 0 14px;
    color: var(--text);
}
.article-body h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 20px 0 10px;
    color: var(--text);
}
.article-body ul,
.article-body ol {
    padding-left: 22px;
    margin-bottom: 18px;
}
.article-body ul {
    list-style: disc;
}
.article-body ol {
    list-style: decimal;
}
.article-body li {
    margin-bottom: 8px;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-body a:hover {
    color: var(--primary-dark);
}
.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.06), rgba(124, 58, 237, 0.04));
    padding: 18px 22px;
    border-radius: 0 12px 12px 0;
    margin: 22px 0;
    font-style: italic;
    color: var(--text);
}
.article-body img {
    max-width: 100%;
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
    border-radius: 10px;
    overflow: hidden;
}
.article-body th,
.article-body td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}
.article-body th {
    background: rgba(124, 58, 237, 0.06);
    font-weight: 600;
}
.article-body tr:nth-child(even) td {
    background: #faf9ff;
}
.article-body code {
    background: rgba(124, 58, 237, 0.08);
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 13px;
    color: var(--primary-dark);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
.article-body pre {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 20px 0;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 14px;
    line-height: 1.6;
}
.article-empty {
    text-align: center;
    padding: 70px 20px;
}
.article-empty i {
    font-size: 60px;
    color: var(--primary-light);
    margin-bottom: 20px;
    display: block;
}
.article-empty h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
    border: none;
}
.article-empty p {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 15px;
}
.article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-tags .tag-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
}
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 13px;
    background: rgba(124, 58, 237, 0.07);
    color: var(--primary-dark);
    transition: var(--transition);
}
.tag-item:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
}
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.side-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
}
.side-card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.side-card-header i {
    color: var(--primary);
    font-size: 16px;
}
.side-card-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}
.side-card-body {
    padding: 20px 22px;
}
.side-info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.side-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}
.side-info-item i {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(124, 58, 237, 0.08);
    border-radius: 10px;
    color: var(--primary);
    font-size: 14px;
    flex-shrink: 0;
}
.side-info-item .label {
    color: var(--text-light);
    min-width: 40px;
}
.side-info-item .value {
    font-weight: 600;
    color: var(--text);
}
.side-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.side-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(228, 224, 240, 0.7);
    transition: var(--transition);
    cursor: pointer;
}
.side-list-item:last-child {
    border-bottom: none;
}
.side-list-item:hover {
    padding-left: 6px;
}
.side-list-item img {
    width: 56px;
    height: 42px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}
.side-list-item .list-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}
.side-list-item:hover .list-title {
    color: var(--primary);
}
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.related-section {
    padding: 70px 0;
    background: var(--bg-white);
}
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
    position: relative;
    padding-left: 16px;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 26px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
}
.section-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.section-more:hover {
    gap: 10px;
    color: var(--primary-dark);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(124, 58, 237, 0.3);
}
.related-card-img {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}
.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.related-card:hover .related-card-img img {
    transform: scale(1.05);
}
.related-card-img .card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(124, 58, 237, 0.92);
    color: #fff;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}
.related-card-body {
    padding: 18px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.related-card-body h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text);
}
.related-card-body .card-excerpt {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.related-card-body .card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-light);
}
.cta-section {
    position: relative;
    padding: 90px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 14, 26, 0.92), rgba(109, 40, 217, 0.75));
    z-index: 1;
}
.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
.cta-inner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.8;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 0 0;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
}
.footer-brand .brand-name {
    margin-bottom: 16px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 280px;
}
.footer-brand .brand-text {
    color: var(--text-white);
}
.footer-brand .brand-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}
.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-col ul li a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: var(--accent);
    transform: translateX(4px);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    flex-wrap: wrap;
    gap: 8px;
}
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 10px 0;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
    justify-content: space-around;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(15, 14, 26, 0.06);
}
.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 4px 20px;
    color: var(--text-light);
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    transition: var(--transition);
    text-decoration: none;
}
.tab-item i {
    font-size: 18px;
}
.tab-item:hover {
    color: var(--primary);
}
.tab-item.active {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.08);
}
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .article-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .article-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .side-card {
        flex: 1;
        min-width: 260px;
    }
}
@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }
    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 8px 30px rgba(15, 14, 26, 0.1);
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        z-index: 999;
        align-items: flex-start;
        gap: 4px;
    }
    .main-nav.open {
        transform: translateY(0);
    }
    .nav-link {
        width: 100%;
        padding: 12px 16px;
        border-radius: 10px;
    }
    .nav-toggle {
        display: flex;
    }
    .header-actions .btn-sm {
        display: none;
    }
    .article-hero {
        padding: 90px 0 50px;
    }
    .article-hero-title {
        font-size: 26px;
    }
    .article-hero-meta {
        gap: 12px;
        font-size: 12px;
    }
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .stat-number {
        font-size: 22px;
    }
    .article-main {
        padding: 24px 18px;
        border-radius: 16px;
    }
    .article-body {
        font-size: 15px;
        line-height: 1.75;
    }
    .article-body h2 {
        font-size: 20px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .cta-section {
        padding: 60px 0;
    }
    .cta-inner h2 {
        font-size: 24px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        padding: 18px 0;
    }
    .mobile-tabbar {
        display: flex;
    }
    body {
        padding-bottom: 64px;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .article-hero-title {
        font-size: 22px;
    }
    .article-main {
        padding: 20px 14px;
    }
    .section-title {
        font-size: 22px;
    }
    .related-card-body h3 {
        font-size: 15px;
    }
    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }
    .brand-text {
        font-size: 18px;
    }
    .brand-icon {
        width: 34px;
        height: 34px;
        font-size: 15px;
    }
    .stat-number {
        font-size: 20px;
    }
    .side-card {
        min-width: 100%;
    }
}

/* roulang page: category1 */
:root {
      --primary: #ff6a00;
      --primary-dark: #e85d00;
      --primary-light: #ffb45e;
      --accent: #00d4ff;
      --bg: #0b0e1a;
      --bg-alt: #111628;
      --bg-card: #171d33;
      --bg-card-hover: #1b2239;
      --text: #f0f3fa;
      --text-muted: #8a93ab;
      --text-dim: #5c6685;
      --border: rgba(255, 255, 255, .08);
      --border-light: rgba(255, 255, 255, .14);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 10px;
      --shadow-lg: 0 24px 60px rgba(0, 0, 0, .45);
      --shadow-md: 0 12px 36px rgba(0, 0, 0, .3);
      --shadow-sm: 0 6px 18px rgba(0, 0, 0, .2);
      --transition: all .3s ease;
      --section-space: 100px;
      --container: 1220px;
    }

    *,
    *::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", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      font-size: 16px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

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

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

    input,
    textarea {
      font-family: inherit;
    }

    ul,
    ol {
      list-style: none;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 999px;
      border: none;
      font-size: 15px;
      font-weight: 600;
      line-height: 1.2;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
      white-space: nowrap;
      color: #fff;
    }

    .btn-sm {
      padding: 8px 18px;
      font-size: 13px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #ff8a00);
      color: #fff;
      box-shadow: 0 8px 24px rgba(255, 106, 0, .35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(255, 106, 0, .46);
      color: #fff;
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 6px 18px rgba(255, 106, 0, .3);
    }

    .btn-ghost {
      background: transparent;
      border: 1px solid var(--border-light);
      color: var(--text);
    }

    .btn-ghost:hover {
      border-color: var(--primary);
      color: var(--primary-light);
      background: rgba(255, 106, 0, .06);
      transform: translateY(-2px);
    }

    .btn:focus-visible {
      outline: 3px solid rgba(0, 212, 255, .5);
      outline-offset: 2px;
    }

    .tag {
      display: inline-block;
      background: rgba(255, 106, 0, .12);
      color: var(--primary-light);
      border: 1px solid rgba(255, 106, 0, .25);
      padding: 3px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      line-height: 1.4;
    }

    .section {
      padding: var(--section-space) 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      background: rgba(255, 106, 0, .12);
      border: 1px solid rgba(255, 106, 0, .28);
      color: var(--primary-light);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      padding: 5px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .section-head h2 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 14px;
      letter-spacing: -1px;
    }

    .section-head p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 14, 26, .82);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text);
      font-size: 20px;
      font-weight: 800;
      white-space: nowrap;
      line-height: 1.2;
    }

    .brand-icon {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: 12px;
      color: #fff;
      font-size: 16px;
      box-shadow: 0 8px 20px rgba(255, 106, 0, .35);
      flex-shrink: 0;
    }

    .brand-text {
      font-weight: 800;
      letter-spacing: -.2px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      padding: 10px 18px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
      line-height: 1.2;
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .06);
    }

    .nav-link:focus-visible {
      outline: 3px solid rgba(0, 212, 255, .5);
      outline-offset: 2px;
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 6px 16px rgba(255, 106, 0, .3);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--border);
      border-radius: 12px;
      color: var(--text);
      font-size: 18px;
      cursor: pointer;
      transition: var(--transition);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, .1);
    }

    .nav-toggle:focus-visible {
      outline: 3px solid rgba(0, 212, 255, .5);
      outline-offset: 2px;
    }

    .hero {
      position: relative;
      padding: 140px 0 110px;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      z-index: -2;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(11, 14, 26, .94) 0%, rgba(11, 14, 26, .8) 42%, rgba(17, 22, 40, .5) 100%);
      z-index: -1;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 780px;
    }

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 106, 0, .14);
      border: 1px solid rgba(255, 106, 0, .35);
      color: var(--primary-light);
      border-radius: 999px;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 24px;
      letter-spacing: .3px;
    }

    .hero-content h1 {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -1.5px;
      margin-bottom: 20px;
    }

    .hero-content .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 640px;
      margin-bottom: 34px;
    }

    .hero-search {
      position: relative;
      display: flex;
      align-items: center;
      max-width: 560px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 6px 6px 6px 20px;
      backdrop-filter: blur(8px);
      transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
    }

    .hero-search:focus-within {
      border-color: rgba(255, 106, 0, .5);
      box-shadow: 0 0 0 4px rgba(255, 106, 0, .14);
      background: rgba(255, 255, 255, .08);
    }

    .hero-search i {
      color: var(--text-muted);
      font-size: 15px;
      margin-right: 12px;
    }

    .hero-search input {
      flex: 1;
      background: transparent;
      border: none;
      outline: none;
      color: var(--text);
      font-size: 15px;
      padding: 10px 0;
    }

    .hero-search input::placeholder {
      color: var(--text-dim);
    }

    .hero-search .btn {
      flex-shrink: 0;
    }

    .hero-stats {
      display: flex;
      gap: 48px;
      margin-top: 46px;
      flex-wrap: wrap;
    }

    .stat-item {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .stat-item strong {
      font-size: 28px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary-light), var(--accent));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.2;
    }

    .stat-item span {
      font-size: 13px;
      color: var(--text-muted);
    }

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

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

    .category-card {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      min-height: 300px;
      padding: 30px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      text-decoration: none;
      color: var(--text);
      border: 1px solid var(--border);
      background: var(--bg-card);
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

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

    .category-card:focus-visible {
      outline: 3px solid rgba(0, 212, 255, .5);
      outline-offset: 3px;
    }

    .category-card.card-image {
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }

    .card-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 14, 26, .22) 0%, rgba(11, 14, 26, .45) 50%, rgba(11, 14, 26, .93) 100%);
      z-index: 1;
      transition: background .3s ease;
    }

    .category-card:hover .card-overlay {
      background: linear-gradient(180deg, rgba(11, 14, 26, .16) 0%, rgba(11, 14, 26, .4) 50%, rgba(11, 14, 26, .91) 100%);
    }

    .category-card > * {
      position: relative;
      z-index: 2;
    }

    .category-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: auto;
      gap: 12px;
    }

    .category-icon {
      width: 48px;
      height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: 14px;
      color: #fff;
      font-size: 19px;
      backdrop-filter: blur(8px);
      flex-shrink: 0;
    }

    .category-count {
      font-size: 13px;
      color: rgba(255, 255, 255, .88);
      background: rgba(0, 0, 0, .42);
      padding: 4px 12px;
      border-radius: 999px;
      backdrop-filter: blur(6px);
      white-space: nowrap;
    }

    .category-card h3 {
      font-size: 22px;
      font-weight: 700;
      margin: 18px 0 10px;
      line-height: 1.3;
    }

    .category-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .category-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-light);
    }

    .category-link i {
      transition: transform .3s ease;
    }

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

    .category-card.card-solid {
      background: linear-gradient(145deg, #1a2036 0%, #13182a 100%);
    }

    .category-card.card-solid:hover {
      background: linear-gradient(145deg, #20263f 0%, #191e32 100%);
    }

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

    .article-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .article-item {
      display: flex;
      gap: 24px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 20px;
      transition: var(--transition);
    }

    .article-item:hover {
      border-color: var(--border-light);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .article-thumb {
      position: relative;
      flex-shrink: 0;
      width: 280px;
      height: 170px;
      border-radius: var(--radius-md);
      overflow: hidden;
    }

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

    .article-item:hover .article-thumb img {
      transform: scale(1.05);
    }

    .thumb-duration {
      position: absolute;
      right: 10px;
      bottom: 10px;
      background: rgba(0, 0, 0, .65);
      color: #fff;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      backdrop-filter: blur(6px);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-content {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

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

    .article-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .article-date {
      font-size: 13px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .article-content h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-content > p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 14px;
    }

    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 14px;
      font-weight: 600;
      transition: gap .3s ease, color .3s ease;
    }

    .read-more:hover {
      gap: 12px;
      color: var(--primary-light);
    }

    .process-section {
      background: var(--bg);
      padding: var(--section-space) 0;
    }

    .process-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .process-item {
      position: relative;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 34px 28px;
      transition: var(--transition);
    }

    .process-item:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-light);
    }

    .process-num {
      font-size: 46px;
      font-weight: 800;
      line-height: 1;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 20px;
    }

    .process-content h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .process-content p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    .ranking-section {
      background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
      padding: var(--section-space) 0;
      border-bottom: 1px solid var(--border);
    }

    .ranking-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 44px;
      max-width: 960px;
      margin-left: auto;
      margin-right: auto;
    }

    .ranking-item {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      transition: var(--transition);
    }

    .ranking-item:hover {
      border-color: var(--border-light);
      background: var(--bg-card-hover);
      transform: translateX(8px);
    }

    .rank-num {
      width: 42px;
      height: 42px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      border-radius: 12px;
      background: rgba(255, 255, 255, .06);
      color: var(--text-muted);
    }

    .ranking-item:nth-child(1) .rank-num,
    .ranking-item:nth-child(2) .rank-num,
    .ranking-item:nth-child(3) .rank-num {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      box-shadow: 0 6px 18px rgba(255, 106, 0, .3);
    }

    .rank-info {
      flex: 1;
      min-width: 0;
    }

    .rank-info h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .rank-meta {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
      flex-shrink: 0;
    }

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

    .rank-rate {
      color: #ff7a8a;
      font-weight: 600;
    }

    .faq-section {
      background: var(--bg);
      padding: var(--section-space) 0;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px 24px;
      margin-top: 44px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color .3s ease, box-shadow .3s ease;
    }

    .faq-item.active {
      border-color: rgba(255, 106, 0, .38);
      box-shadow: 0 8px 28px rgba(0, 0, 0, .25);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 14px;
      background: none;
      border: none;
      padding: 24px;
      color: var(--text);
      cursor: pointer;
      text-align: left;
      transition: background .3s ease;
    }

    .faq-question:hover {
      background: rgba(255, 255, 255, .03);
    }

    .faq-question:focus-visible {
      outline: 3px solid rgba(0, 212, 255, .5);
      outline-offset: -2px;
      border-radius: var(--radius-md);
    }

    .faq-number {
      flex-shrink: 0;
      font-size: 14px;
      font-weight: 700;
      color: var(--primary-light);
      background: rgba(255, 106, 0, .12);
      border-radius: 8px;
      padding: 4px 10px;
      line-height: 1.4;
    }

    .faq-question h3 {
      flex: 1;
      font-size: 16px;
      font-weight: 600;
      line-height: 1.4;
    }

    .faq-question i {
      color: var(--text-muted);
      transition: transform .3s ease, color .3s ease;
      flex-shrink: 0;
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
      color: var(--primary-light);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease;
    }

    .faq-answer p {
      padding: 0 24px 24px 52px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    .cta-section {
      padding: 80px 0 100px;
      background: var(--bg-alt);
      border-top: 1px solid var(--border);
    }

    .cta-inner {
      position: relative;
      text-align: center;
      background: linear-gradient(135deg, rgba(255, 106, 0, .14), rgba(0, 212, 255, .08)), var(--bg-card);
      border: 1px solid rgba(255, 106, 0, .3);
      border-radius: 32px;
      padding: 72px 40px;
      overflow: hidden;
    }

    .cta-inner::before {
      content: "";
      position: absolute;
      top: -80%;
      left: -30%;
      width: 60%;
      height: 250%;
      background: radial-gradient(circle, rgba(255, 106, 0, .22) 0%, transparent 60%);
      pointer-events: none;
    }

    .cta-inner::after {
      content: "";
      position: absolute;
      bottom: -80%;
      right: -20%;
      width: 50%;
      height: 220%;
      background: radial-gradient(circle, rgba(0, 212, 255, .15) 0%, transparent 60%);
      pointer-events: none;
    }

    .cta-inner > * {
      position: relative;
      z-index: 1;
    }

    .cta-icon {
      width: 68px;
      height: 68px;
      margin: 0 auto 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 26px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(255, 106, 0, .35);
    }

    .cta-inner h2 {
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: -.5px;
    }

    .cta-inner > p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 540px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }

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

    .site-footer {
      background: #080b14;
      border-top: 1px solid var(--border);
      padding: 70px 0 30px;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr 1.4fr;
      gap: 40px;
    }

    .footer-brand .brand-name {
      font-size: 20px;
    }

    .footer-brand p {
      margin-top: 16px;
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-muted);
      max-width: 340px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
      color: var(--text);
    }

    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-col a {
      color: var(--text-muted);
      font-size: 14px;
      text-decoration: none;
      transition: color .3s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .footer-col a:hover {
      color: var(--primary-light);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 48px;
      padding-top: 28px;
      border-top: 1px solid var(--border);
      color: var(--text-dim);
      font-size: 13px;
      gap: 12px;
      flex-wrap: wrap;
    }

    .mobile-tabbar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 998;
      display: none;
      background: rgba(13, 17, 31, .96);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-top: 1px solid var(--border);
      padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
      justify-content: space-around;
    }

    .mobile-tabbar .tab-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
      padding: 8px 16px;
      font-size: 12px;
      color: var(--text-muted);
      text-decoration: none;
      border-radius: 14px;
      transition: var(--transition);
      line-height: 1.2;
    }

    .mobile-tabbar .tab-item i {
      font-size: 18px;
    }

    .mobile-tabbar .tab-item.active {
      color: var(--primary);
      background: rgba(255, 106, 0, .1);
    }

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

    .mobile-tabbar .tab-item:active {
      transform: scale(.95);
    }

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

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

      .footer-inner {
        grid-template-columns: 1fr 1fr 1.4fr;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      :root {
        --section-space: 70px;
      }

      .header-inner {
        height: 64px;
      }

      .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 14, 26, .98);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
        gap: 8px;
        display: none;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0, 0, 0, .4);
      }

      .main-nav.open {
        display: flex;
      }

      .nav-link {
        padding: 12px 16px;
        border-radius: 12px;
      }

      .nav-toggle {
        display: inline-flex;
      }

      .hero {
        padding: 90px 0 70px;
      }

      .hero-content h1 {
        font-size: 36px;
      }

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

      .hero-stats {
        gap: 28px;
      }

      .article-item {
        flex-direction: column;
      }

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

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

      .cta-inner {
        padding: 52px 24px;
      }

      .cta-inner h2 {
        font-size: 28px;
      }

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

      .footer-brand {
        grid-column: 1 / -1;
      }

      .mobile-tabbar {
        display: flex;
      }

      body {
        padding-bottom: 70px;
      }

      .site-footer {
        padding-bottom: 30px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .brand-text {
        font-size: 17px;
      }

      .brand-icon {
        width: 34px;
        height: 34px;
        font-size: 14px;
      }

      .header-actions .btn {
        display: none;
      }

      .hero-content h1 {
        font-size: 30px;
        letter-spacing: -1px;
      }

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

      .hero-search {
        border-radius: 16px;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        gap: 10px;
      }

      .hero-search i {
        display: none;
      }

      .hero-search input {
        padding: 10px 12px;
        background: rgba(255, 255, 255, .06);
        border-radius: 10px;
      }

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

      .hero-stats {
        flex-direction: column;
        gap: 18px;
      }

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

      .category-card {
        min-height: 250px;
      }

      .process-track {
        grid-template-columns: 1fr;
      }

      .ranking-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 18px;
        gap: 12px;
      }

      .ranking-item:hover {
        transform: translateY(-3px);
      }

      .rank-meta {
        width: 100%;
        justify-content: space-between;
      }

      .faq-answer p {
        padding: 0 18px 18px 18px;
      }

      .faq-question {
        padding: 18px;
      }

      .cta-buttons .btn {
        width: 100%;
      }

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

      .footer-brand {
        grid-column: auto;
      }

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

      .section-head h2 {
        font-size: 28px;
      }

      .section-head p {
        font-size: 14px;
      }

      .article-meta {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (min-width: 769px) {
      .main-nav {
        display: flex;
      }
    }