/* roulang page: index */
:root {
  --bg-void: #08080C;
  --bg-deep: #0B0B10;
  --surface: #15151D;
  --surface-2: #1B1B26;
  --text-main: #F4F2ED;
  --text-sub: #B8B2A7;
  --text-faint: #8A857A;
  --gold: #C9A55C;
  --gold-light: #E4C98A;
  --amber: #E8A33D;
  --wine: #7B2D4E;
  --success: #4E9F7A;
  --danger: #D95B43;
  --border-dim: rgba(255,255,255,0.08);
  --border-gold: rgba(201,165,92,0.45);
  --gradient-brand: linear-gradient(110deg, #E4C98A 0%, #C9A55C 20%, #7B2D4E 75%, #4A1F3D 100%);
  --gradient-cta: linear-gradient(135deg, #E8C16F 0%, #C98A3D 100%);
  --gradient-hero-shadow: radial-gradient(ellipse at 85% 30%, rgba(201,165,92,0.18) 0%, rgba(11,11,16,0) 70%);
  --radius-lg: 24px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 28px rgba(0,0,0,0.35);
  --shadow-hover: 0 14px 40px rgba(0,0,0,0.45), 0 0 0 1px rgba(201,165,92,0.4);
  --glow-gold: 0 0 18px rgba(201,165,92,0.35);
  --font-sans: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-sans); background: var(--bg-deep); color: var(--text-main); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

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

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-md); border: 1px solid transparent;
  font-size: 15px; font-weight: 600; line-height: 1; cursor: pointer; text-decoration: none;
  white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-gold { background: var(--gradient-cta); color: #1A1A1A; box-shadow: var(--glow-gold); }
.btn-gold:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,165,92,0.35); }
.btn-gold:active { transform: scale(0.98); }
.btn-outline { background: transparent; border-color: var(--gold); color: var(--gold); }
.btn-outline:hover { background: rgba(201,165,92,0.1); transform: translateY(-2px); }
.btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: var(--text-main); }
.btn-ghost:hover { border-color: #FFFFFF; transform: translateY(-2px); }
.header-cta { padding: 10px 20px; }

.site-header {
  position: fixed; top: 0; left: 0; right: 0; height: 64px; z-index: 100;
  background: rgba(11,11,16,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dim);
}
.site-header::after {
  content: ''; position: absolute; bottom: -1px; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.header-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 64px; }
.brand {
  font-family: var(--font-display); font-size: 22px; font-weight: 800; letter-spacing: .5px;
  background: linear-gradient(120deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; white-space: nowrap;
}
.site-nav { display: flex; gap: 32px; margin-left: 32px; }
.site-nav a { position: relative; display: inline-block; font-size: 15px; color: var(--text-sub); padding: 18px 0; transition: color .25s; }
.site-nav a:hover, .site-nav a.active { color: var(--gold); }
.site-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 10px; width: 100%; height: 2px;
  background: var(--gradient-cta); border-radius: 2px;
  transform: scaleX(0); transform-origin: center; transition: transform .3s;
}
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.icon-btn { width: 44px; height: 44px; border-radius: var(--radius-md); border: 1px solid transparent; background: transparent; color: var(--text-sub); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; transition: color .2s, background .2s, border-color .2s; }
.icon-btn:hover { color: var(--gold); border-color: var(--border-gold); background: rgba(201,165,92,0.08); }
.nav-search {
  position: fixed; top: 64px; right: 20px; width: 0; opacity: 0; pointer-events: none;
  border: 1px solid transparent; border-radius: var(--radius-md); background: rgba(255,255,255,0.05);
  color: var(--text-main); padding: 0; transition: width .35s ease, opacity .25s ease, border-color .25s ease;
}
.nav-search.open { width: 240px; padding: 10px 16px; opacity: 1; pointer-events: auto; border-color: var(--border-gold); }
.nav-search::placeholder { color: var(--text-faint); }
.nav-toggle { display: none; width: 44px; height: 44px; border: none; background: none; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px; padding: 0; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text-main); transition: transform .3s, opacity .3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

.hero { padding: 160px 0 96px; position: relative; overflow: hidden; background-image: linear-gradient(rgba(11,11,16,0.92), rgba(11,11,16,0.96)), url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; }
.hero::before { content: ''; position: absolute; inset: 0; background: var(--gradient-hero-shadow); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 58% 42%; gap: 48px; align-items: center; position: relative; z-index: 2; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--gold); font-size: 13px; letter-spacing: 2px; border: 1px solid var(--border-gold); border-radius: 999px; padding: 6px 14px; background: rgba(201,165,92,0.08); margin-bottom: 16px; }
.hero h1 { font-family: var(--font-display); font-size: 48px; line-height: 1.15; font-weight: 800; letter-spacing: .02em; color: var(--text-main); margin-bottom: 20px; }
.hero-divider { width: 80px; height: 4px; background: var(--gradient-cta); border-radius: 4px; margin-bottom: 24px; }
.hero-sub { font-size: 16px; color: var(--text-sub); line-height: 1.75; max-width: 520px; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust { display: flex; gap: 24px; flex-wrap: wrap; font-size: 14px; color: var(--text-faint); }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust i { color: var(--gold); }
.hero-visual { position: relative; }
.hero-visual .hero-glow { position: absolute; top: -20%; right: -10%; width: 120%; height: 120%; background: radial-gradient(circle, rgba(201,165,92,0.25), transparent 70%); z-index: 0; pointer-events: none; }
.hero-visual img { position: relative; z-index: 1; width: 100%; height: 460px; object-fit: cover; border-radius: 32px; border: 1px solid var(--border-gold); box-shadow: 0 24px 80px rgba(0,0,0,0.55); }
.float-badge { position: absolute; z-index: 3; background: rgba(20,20,28,0.88); border: 1px solid var(--border-gold); border-radius: 50%; width: 92px; height: 92px; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: var(--glow-gold); animation: floatBadge 6s ease-in-out infinite; }
.badge-1 { top: 18px; right: 8px; }
.badge-2 { bottom: 20px; left: -16px; animation-delay: 1.2s; }
.badge-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; color: var(--gold); font-size: 28px; font-weight: 800; line-height: 1; }
.badge-num span { font-size: 12px; }
.badge-label { font-size: 12px; color: var(--text-faint); margin-top: 4px; }
@keyframes floatBadge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }

.metrics-band { padding: 48px 0; background: var(--bg-void); border-top: 1px solid var(--border-dim); border-bottom: 1px solid var(--border-dim); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.metric-card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; border: 1px solid var(--border-dim); box-shadow: var(--shadow-card); transition: transform .3s, box-shadow .3s, border-color .3s; }
.metric-card:hover { transform: translateY(-2px); border-color: var(--border-gold); box-shadow: var(--shadow-hover); }
.metric-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-size: 32px; color: var(--gold); font-weight: 800; line-height: 1; margin-bottom: 8px; text-shadow: 0 0 20px rgba(201,165,92,0.3); }
.metric-num small { font-size: 18px; }
.metric-label { font-size: 14px; color: var(--text-sub); }

.section { padding: 96px 0; }
.section-alt { background: var(--bg-void); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; max-width: 100%; gap: 20px; }
.section-tag { display: inline-block; font-size: 12px; color: var(--gold); letter-spacing: 2px; border: 1px solid var(--border-gold); border-radius: 999px; padding: 4px 12px; margin-bottom: 14px; background: rgba(201,165,92,0.08); }
.section-head h2 { font-family: var(--font-display); font-size: 32px; line-height: 1.25; font-weight: 700; color: var(--text-main); margin-bottom: 12px; }
.section-head p { font-size: 15px; color: var(--text-faint); }
.more-link { color: var(--gold); font-size: 14px; display: inline-flex; gap: 6px; align-items: center; white-space: nowrap; padding-bottom: 6px; border-bottom: 1px solid transparent; transition: border-color .2s; }
.more-link:hover { border-color: var(--gold); }

.tier-section { padding-top: 48px; }
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.tier-card { background: var(--surface-2); border-radius: var(--radius-lg); padding: 40px 32px; border: 1px solid var(--border-dim); box-shadow: var(--shadow-card); position: relative; transition: transform .3s, box-shadow .3s, border-color .3s; }
.tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.tier-card.featured { border: 1px solid var(--border-gold); box-shadow: 0 0 0 1px rgba(201,165,92,0.25), 0 20px 50px rgba(0,0,0,0.5); transform: scale(1.03); z-index: 2; }
.tier-card.featured:hover { transform: scale(1.03) translateY(-4px); }
.tier-flags { position: absolute; top: -12px; right: 24px; background: var(--gradient-cta); color: #1A1A1A; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 999px; box-shadow: var(--glow-gold); }
.tier-rank { width: 48px; height: 48px; border-radius: 50%; background: var(--gradient-cta); color: #1A1A1A; display: flex; align-items: center; justify-content: center; font-family: var(--font-num); font-weight: 800; font-size: 20px; margin-bottom: 20px; box-shadow: var(--glow-gold); }
.tier-card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 18px; }
.tier-list { margin-bottom: 28px; }
.tier-list li { display: flex; gap: 10px; font-size: 14px; color: var(--text-sub); padding: 8px 0; border-bottom: 1px solid var(--border-dim); align-items: center; }
.tier-list li:last-child { border-bottom: none; }
.tier-list i { color: var(--gold); font-size: 14px; flex-shrink: 0; }
.tier-card .btn { width: 100%; }

.compare-wrap { border-radius: var(--radius-lg); border: 1px solid var(--border-dim); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-card); }
.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.compare-col { padding: 40px 32px; background: var(--surface); border-left: 1px solid var(--border-dim); position: relative; }
.compare-col:first-child { border-left: none; }
.compare-col.featured { background: linear-gradient(180deg, rgba(201,165,92,0.1), rgba(21,21,29,0.95) 40%); border-left: none; border-right: none; box-shadow: inset 0 0 0 2px var(--border-gold); }
.compare-recommend { position: absolute; top: 0; left: 50%; transform: translateX(-50%); background: var(--gradient-cta); color: #1A1A1A; font-size: 12px; font-weight: 700; padding: 4px 16px; border-radius: 0 0 12px 12px; }
.compare-name { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.compare-price { font-family: var(--font-num); font-size: 28px; color: var(--gold); font-weight: 800; margin-bottom: 24px; font-variant-numeric: tabular-nums; }
.compare-price small { font-size: 14px; color: var(--text-faint); font-family: var(--font-sans); font-weight: 400; }
.compare-features { margin-bottom: 28px; }
.compare-features li { display: flex; gap: 8px; align-items: center; padding: 10px 0; font-size: 14px; color: var(--text-sub); border-bottom: 1px solid var(--border-dim); }
.compare-features i { width: 18px; text-align: center; flex-shrink: 0; }
.compare-features .fa-check { color: var(--gold); }
.compare-features .fa-xmark { color: var(--text-faint); }
.compare-col .btn { width: 100%; }

.news-list { display: grid; gap: 16px; }
.news-card { display: grid; grid-template-columns: 160px 1fr; gap: 20px; background: var(--surface); border-radius: 20px; padding: 16px; border: 1px solid var(--border-dim); box-shadow: var(--shadow-card); transition: transform .3s, background .3s, box-shadow .3s, border-color .3s; }
.news-card:hover { transform: translateY(-4px); background: var(--surface-2); box-shadow: var(--shadow-hover); border-color: var(--border-gold); }
.news-thumb { width: 160px; height: 110px; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-void); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-info { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.tag-gold { display: inline-block; color: var(--gold); border: 1px solid var(--border-gold); background: rgba(201,165,92,0.10); font-size: 12px; border-radius: 999px; padding: 3px 12px; line-height: 1.4; }
.news-date { font-size: 13px; color: var(--text-faint); }
.news-info h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; transition: color .2s; }
.news-card:hover .news-info h3 { color: var(--gold); }
.news-info p { font-size: 14px; color: var(--text-sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-empty { border: 1px dashed var(--border-gold); border-radius: var(--radius-lg); padding: 60px 24px; text-align: center; background: var(--surface); color: var(--text-faint); }
.news-empty i { font-size: 38px; color: var(--text-faint); margin-bottom: 12px; display: block; }

.flash-inner { position: relative; overflow: hidden; text-align: center; padding: 72px 40px; border-radius: 32px; border: 1px solid var(--border-gold); background: linear-gradient(135deg, rgba(201,165,92,0.15), rgba(11,11,16,0.4)), radial-gradient(circle at 20% 30%, rgba(201,165,92,0.25), transparent 70%), var(--surface-2); box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(201,165,92,0.2); }
.flash-inner::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-light), transparent); }
.flash-title { font-family: var(--font-display); font-size: 28px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.flash-desc { font-size: 14px; color: var(--text-sub); max-width: 480px; margin: 0 auto 32px; }
.flash-count { display: flex; justify-content: center; align-items: center; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.flash-count b { font-family: var(--font-num); color: var(--gold); font-size: 30px; }
.flash-count div { display: flex; flex-direction: column; align-items: center; gap: 4px; background: rgba(0,0,0,0.35); border: 1px solid var(--border-dim); border-radius: var(--radius-md); min-width: 68px; padding: 12px 8px; }
.flash-count .cd { font-family: var(--font-num); font-size: 32px; font-weight: 800; color: var(--gold); line-height: 1; font-variant-numeric: tabular-nums; }
.flash-count i { font-style: normal; font-size: 12px; color: var(--text-faint); }
.flash-cta { display: inline-flex; padding: 16px 44px; font-size: 16px; }

.consult-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; align-items: start; }
.faq-item { background: var(--surface); border: 1px solid var(--border-dim); border-radius: 16px; padding: 18px 20px; transition: border-color .25s, box-shadow .25s; }
.faq-item.open { border-color: var(--border-gold); box-shadow: var(--glow-gold); }
.faq-question { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; color: var(--text-main); background: none; border: none; padding: 0; text-align: left; width: 100%; }
.faq-question:hover { color: var(--gold); }
.faq-icon { font-size: 18px; color: var(--gold); transition: transform .25s ease; flex-shrink: 0; display: inline-flex; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease, margin .25s; }
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p { padding-top: 12px; font-size: 13px; line-height: 1.6; color: var(--text-sub); }

.consult-card { background: var(--surface); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border-dim); box-shadow: var(--shadow-card); }
.consult-card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.consult-card .form-note { font-size: 13px; color: var(--text-faint); margin-bottom: 24px; }
.consult-form .field { margin-bottom: 20px; }
.consult-form label { font-size: 12px; color: var(--text-faint); margin-bottom: 6px; display: block; }
.consult-form input, .consult-form textarea { width: 100%; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-md); padding: 14px 16px; color: var(--text-main); transition: border-color .25s, box-shadow .25s, background .25s; }
.consult-form input:focus, .consult-form textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,165,92,0.2); background: rgba(255,255,255,0.06); }
.consult-form input::placeholder, .consult-form textarea::placeholder { color: var(--text-faint); }
.consult-form textarea { min-height: 120px; resize: vertical; }
.form-status { margin-top: 12px; font-size: 14px; min-height: 20px; }

.trust-strip { padding: 28px 0; border-top: 1px solid var(--border-dim); background: var(--bg-void); }
.trust-inner { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; font-size: 13px; color: var(--text-faint); }
.trust-inner span { display: inline-flex; align-items: center; gap: 6px; }
.trust-inner i { color: var(--gold); }

.site-footer { background: #06060A; color: var(--text-sub); padding: 64px 0 0; border-top: 1px solid var(--border-dim); position: relative; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 10%; right: 10%; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { font-family: var(--font-display); font-size: 22px; font-weight: 800; background: linear-gradient(120deg, var(--gold-light), var(--gold)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 13px; color: var(--text-faint); line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13px; color: var(--text-sub); padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--gold); }
.footer-col p { font-size: 13px; color: var(--text-faint); line-height: 1.8; margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid var(--border-dim); padding: 20px 0; }
.footer-bottom p { font-size: 12px; color: var(--text-faint); text-align: center; }

@media (max-width: 1200px) {
  .container { padding-left: 20px; padding-right: 20px; }
}

@media (max-width: 1024px) {
  .hero { padding-top: 140px; }
  .hero h1 { font-size: 38px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual img { height: 380px; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-col { border-left: none; border-top: 1px solid var(--border-dim); padding-bottom: 36px; }
  .compare-col:first-child { border-top: none; }
  .compare-col.featured { border-top: 1px solid var(--border-gold); }
}

@media (max-width: 992px) {
  .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(11,11,16,0.98); backdrop-filter: blur(10px); padding: 8px 24px 16px; border-bottom: 1px solid var(--border-gold); margin-left: 0; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--border-dim); width: 100%; }
  .site-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .tier-grid { grid-template-columns: repeat(2, 1fr); }
  .tier-card.featured { transform: scale(1.02); }
  .tier-card.featured:hover { transform: scale(1.02) translateY(-4px); }
  .consult-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero { padding: 120px 0 64px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 24px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .tier-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 100px 1fr; padding: 12px; }
  .news-thumb { width: 100px; height: 80px; border-radius: var(--radius-sm); }
  .news-info h3 { font-size: 16px; }
  .news-info p { font-size: 13px; }
  .flash-inner { padding: 48px 20px; }
  .flash-title { font-size: 22px; }
  .consult-card { padding: 24px; }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .header-inner { gap: 10px; }
  .brand { font-size: 18px; }
  .header-cta { padding: 10px 14px; font-size: 14px; }
  .nav-search.open { width: 170px; }
  .hero-visual img { height: 280px; }
  .hero-ctas .btn { width: 100%; }
  .hero-trust { gap: 12px; }
  .metrics-grid { gap: 10px; }
  .metric-card { padding: 24px 16px; }
  .metric-num { font-size: 26px; }
  .tier-card { padding: 32px 24px; }
  .compare-col { padding: 28px 20px; }
  .news-card { grid-template-columns: 1fr; }
  .news-thumb { width: 100%; height: 160px; }
  .news-info h3 { font-size: 17px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .trust-inner { gap: 16px; }
  .flash-count { gap: 8px; }
  .flash-count div { min-width: 56px; padding: 8px 4px; }
  .flash-count .cd { font-size: 24px; }
  .flash-count b { font-size: 22px; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
}

/* roulang page: article */
:root {
            --bg-void: #08080C;
            --bg-deep: #0B0B10;
            --surface: #15151D;
            --surface-2: #1B1B26;
            --text-main: #F4F2ED;
            --text-sub: #B8B2A7;
            --text-faint: #8A857A;
            --gold: #C9A55C;
            --gold-light: #E4C98A;
            --amber: #E8A33D;
            --wine: #7B2D4E;
            --success: #4E9F7A;
            --danger: #D95B43;
            --border-dim: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(201, 165, 92, 0.45);
            --gradient-brand: linear-gradient(110deg, #E4C98A 0%, #C9A55C 20%, #7B2D4E 75%, #4A1F3D 100%);
            --gradient-cta: linear-gradient(135deg, #E8C16F 0%, #C98A3D 100%);
            --gradient-hero-shadow: radial-gradient(ellipse at 85% 30%, rgba(201, 165, 92, 0.18) 0%, rgba(11, 11, 16, 0) 70%);
            --radius-lg: 24px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(201, 165, 92, 0.4);
            --glow-gold: 0 0 18px rgba(201, 165, 92, 0.35);
            --font-title: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-body: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            --container-width: 1200px;
            --header-h: 64px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding-top: var(--header-h);
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: min(var(--container-width), calc(100% - 48px));
            margin: 0 auto;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(11, 11, 16, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-dim);
        }
        .site-header::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 70%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            pointer-events: none;
        }
        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: 1px;
            white-space: nowrap;
            background: linear-gradient(135deg, #E4C98A, #C9A55C);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(201, 165, 92, 0.3);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }
        .site-nav a {
            font-size: 15px;
            color: var(--text-sub);
            position: relative;
            padding: 8px 2px;
            transition: color 0.25s;
        }
        .site-nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: width 0.3s;
        }
        .site-nav a:hover,
        .site-nav a.active {
            color: var(--gold-light);
        }
        .site-nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .icon-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            color: var(--text-sub);
            cursor: pointer;
            transition: all 0.25s;
            font-size: 15px;
        }
        .icon-btn:hover {
            color: var(--gold);
            background: rgba(201, 165, 92, 0.08);
        }
        .nav-search {
            width: 0;
            padding: 0;
            height: 40px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dim);
            color: var(--text-main);
            font-size: 14px;
            transition: width 0.3s, padding 0.3s, border-color 0.3s;
            overflow: hidden;
        }
        .nav-search.open {
            width: 240px;
            padding: 0 14px;
        }
        .nav-search:focus {
            border-color: var(--gold);
            box-shadow: var(--glow-gold);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1.4;
        }
        .btn-gold {
            background: var(--gradient-cta);
            color: #1A1A1A;
            box-shadow: 0 4px 20px rgba(201, 165, 92, 0.35);
        }
        .btn-gold:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 165, 92, 0.45);
        }
        .btn-gold:active {
            transform: scale(0.98);
        }
        .btn-gold:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: var(--border-gold);
            color: var(--gold);
        }
        .btn-outline:hover {
            background: rgba(201, 165, 92, 0.1);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--text-sub);
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--text-main);
            transform: translateY(-2px);
        }
        .header-cta {
            padding: 9px 22px;
            font-size: 14px;
            white-space: nowrap;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background 0.25s;
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-sub);
            border-radius: 2px;
            transition: all 0.3s;
        }
        .nav-toggle:hover span {
            background: var(--gold);
        }

        /* ===== 文章页面包屑 ===== */
        .breadcrumb-wrap {
            padding-top: 32px;
            padding-bottom: 12px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-faint);
        }
        .breadcrumb a {
            color: var(--text-sub);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            font-size: 11px;
            color: var(--text-faint);
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--text-main);
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== 文章主体 ===== */
        .article-layout {
            max-width: 860px;
            margin: 0 auto;
            padding: 24px 0 64px;
        }
        .article-main {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 56px 64px 48px;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-dim);
        }
        .article-kicker {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--gold);
            letter-spacing: 1px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .article-kicker .brand-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gradient-cta);
            box-shadow: var(--glow-gold);
        }
        .article-header h1 {
            font-family: var(--font-title);
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-dim);
            margin-bottom: 32px;
        }
        .meta-item {
            font-size: 13px;
            color: var(--text-faint);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--gold);
            font-size: 14px;
        }
        .article-content {
            font-size: 16px;
            color: var(--text-main);
            line-height: 1.9;
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--text-main);
            padding-left: 14px;
            border-left: 3px solid var(--gold);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--gold-light);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 8px;
            position: relative;
        }
        .article-content ul li::before {
            content: "";
            position: absolute;
            left: -18px;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content blockquote {
            border-left: 4px solid var(--gold);
            background: rgba(201, 165, 92, 0.06);
            padding: 16px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 0 0 24px;
            color: var(--text-sub);
            font-style: normal;
        }
        .article-content pre {
            background: var(--bg-void);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-md);
            padding: 20px;
            overflow-x: auto;
            margin: 0 0 24px;
            font-size: 14px;
            line-height: 1.7;
        }
        .article-content code {
            font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
            color: var(--gold-light);
            background: rgba(201, 165, 92, 0.08);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.92em;
        }
        .article-content pre code {
            padding: 0;
            background: transparent;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }

        /* 未找到 */
        .article-notfound {
            text-align: center;
            padding: 60px 20px;
            border: 1px dashed var(--border-gold);
            border-radius: var(--radius-lg);
            margin-bottom: 24px;
        }
        .article-notfound h2 {
            font-size: 24px;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .article-notfound p {
            color: var(--text-faint);
            margin-bottom: 24px;
        }

        /* 返回按钮 */
        .article-actions {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--border-dim);
        }

        /* 相关推荐 */
        .related-section {
            padding: 0 0 96px;
        }
        .related-section .container {
            max-width: 860px;
        }
        .related-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 32px;
        }
        .related-head .line {
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, var(--border-gold), transparent);
        }
        .related-head h2 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-dim);
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .thumb {
            height: 140px;
            overflow: hidden;
            position: relative;
            background: var(--surface-2);
        }
        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .related-card:hover .thumb img {
            transform: scale(1.04);
        }
        .related-card .thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 60%, rgba(11, 11, 16, 0.6));
        }
        .related-card .info {
            padding: 18px 20px 22px;
        }
        .related-card .info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            transition: color 0.2s;
        }
        .related-card:hover .info h3 {
            color: var(--gold-light);
        }
        .related-card .info p {
            font-size: 13px;
            color: var(--text-faint);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #06060A;
            border-top: 1px solid var(--border-dim);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding: 64px 0 40px;
        }
        .footer-logo {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, #E4C98A, #C9A55C);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 18px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-faint);
            line-height: 1.8;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-faint);
            padding: 6px 0;
            transition: all 0.2s;
        }
        .footer-col a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-col p {
            font-size: 14px;
            color: var(--text-faint);
            padding: 6px 0;
            margin: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
        }
        .footer-bottom .container {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-faint);
            text-align: center;
            letter-spacing: 0.5px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-nav {
                display: none;
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 11, 16, 0.97);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                gap: 4px;
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-gold);
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav a {
                width: 100%;
                padding: 14px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border-dim);
            }
            .site-nav a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                padding: 9px 16px;
                font-size: 13px;
            }
            .nav-search.open {
                position: absolute;
                top: var(--header-h);
                left: 16px;
                right: 16px;
                width: calc(100% - 32px);
                background: var(--surface);
            }
            .article-main {
                padding: 40px 32px;
            }
            .article-header h1 {
                font-size: 36px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .container {
                width: calc(100% - 32px);
            }
            .breadcrumb-wrap {
                padding-top: 24px;
            }
            .article-layout {
                padding: 16px 0 48px;
            }
            .article-main {
                padding: 32px 24px;
                border-radius: 20px;
            }
            .article-header h1 {
                font-size: 30px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 21px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-actions {
                flex-direction: column;
                gap: 12px;
            }
            .article-actions .btn {
                width: 100%;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-card .thumb {
                height: 120px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
                padding: 48px 0 32px;
            }
        }
        @media (max-width: 520px) {
            .brand {
                font-size: 17px;
            }
            .header-cta {
                display: none;
            }
            .nav-search.open {
                top: var(--header-h);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-main {
                padding: 24px 18px;
            }
            .article-header h1 {
                font-size: 26px;
            }
            .article-kicker {
                font-size: 12px;
            }
            .meta-item {
                font-size: 12px;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
        }

/* roulang page: category1 */
:root {
      --bg-void: #08080C;
      --bg-deep: #0B0B10;
      --surface: #15151D;
      --surface-2: #1B1B26;
      --text-main: #F4F2ED;
      --text-sub: #B8B2A7;
      --text-faint: #8A857A;
      --gold: #C9A55C;
      --gold-light: #E4C98A;
      --amber: #E8A33D;
      --wine: #7B2D4E;
      --success: #4E9F7A;
      --danger: #D95B43;
      --border-dim: rgba(255, 255, 255, 0.08);
      --border-gold: rgba(201, 165, 92, 0.45);
      --gradient-brand: linear-gradient(110deg, #E4C98A 0%, #C9A55C 20%, #7B2D4E 75%, #4A1F3D 100%);
      --gradient-cta: linear-gradient(135deg, #E8C16F 0%, #C98A3D 100%);
      --gradient-hero-shadow: radial-gradient(ellipse at 85% 30%, rgba(201, 165, 92, 0.18) 0%, rgba(11, 11, 16, 0) 70%);
      --radius-lg: 24px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(201, 165, 92, 0.4);
      --glow-gold: 0 0 18px rgba(201, 165, 92, 0.35);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg-deep);
      color: var(--text-main);
      font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input,
    textarea {
      font-family: inherit;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      border-radius: var(--radius-md);
      transition: all 0.25s ease;
      border: none;
      cursor: pointer;
      text-align: center;
      white-space: nowrap;
    }

    .btn-gold {
      background: var(--gradient-cta);
      color: #1A1A1A;
      padding: 14px 32px;
      font-size: 15px;
      box-shadow: var(--glow-gold);
    }

    .btn-gold:hover {
      filter: brightness(1.08);
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(201, 165, 92, 0.45);
    }

    .btn-gold:active {
      transform: scale(0.98);
    }

    .btn-gold:focus,
    .btn-outline:focus {
      outline: 2px solid var(--gold);
      outline-offset: 2px;
    }

    .btn-outline {
      background: transparent;
      border: 1px solid var(--gold);
      color: var(--gold);
      padding: 12px 28px;
      font-size: 15px;
    }

    .btn-outline:hover {
      background: rgba(201, 165, 92, 0.1);
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 16px 40px;
      font-size: 16px;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 64px;
      background: rgba(11, 11, 16, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-dim);
      z-index: 1000;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    }

    .site-header::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 50%;
      transform: translateX(-50%);
      width: 80%;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      pointer-events: none;
    }

    .header-inner {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: 0.5px;
      white-space: nowrap;
      background: linear-gradient(110deg, var(--gold-light), var(--gold));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .site-nav a {
      position: relative;
      color: var(--text-sub);
      font-size: 15px;
      font-weight: 500;
      line-height: 64px;
      transition: color 0.25s;
    }

    .site-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width 0.25s;
    }

    .site-nav a:hover,
    .site-nav a.active {
      color: var(--gold);
    }

    .site-nav a.active::after {
      width: 100%;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .icon-btn {
      width: 44px;
      height: 44px;
      background: transparent;
      border: 1px solid var(--border-dim);
      border-radius: 50%;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s;
      flex-shrink: 0;
    }

    .icon-btn:hover {
      color: var(--gold);
      border-color: var(--border-gold);
    }

    .nav-search {
      width: 0;
      padding: 0;
      border: 1px solid transparent;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-main);
      outline: none;
      transition: all 0.35s;
      opacity: 0;
      height: 40px;
    }

    .nav-search.open {
      width: 240px;
      padding: 10px 16px;
      opacity: 1;
      border-color: var(--border-dim);
    }

    .nav-search:focus {
      border-color: var(--gold);
      box-shadow: var(--glow-gold);
    }

    .nav-search::placeholder {
      color: var(--text-faint);
    }

    .header-cta {
      padding: 10px 24px;
      font-size: 14px;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      background: transparent;
      border: 1px solid var(--border-dim);
      border-radius: var(--radius-sm);
      transition: border-color 0.25s;
    }

    .nav-toggle {
      border: 1px solid var(--border-dim);
    }

    .nav-toggle span {
      width: 20px;
      height: 2px;
      background: var(--text-main);
      transition: all 0.25s;
      display: block;
    }

    .nav-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-faint);
      margin-bottom: 20px;
    }

    .breadcrumb a {
      color: var(--text-sub);
      transition: color 0.25s;
    }

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

    .breadcrumb .sep {
      color: var(--text-faint);
    }

    .page-hero {
      position: relative;
      padding: 160px 0 80px;
      background: var(--bg-deep);
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: var(--gradient-hero-shadow);
      pointer-events: none;
    }

    .hero-split {
      position: relative;
      display: grid;
      grid-template-columns: 58% 42%;
      gap: 48px;
      align-items: center;
    }

    .hero-copy .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border: 1px solid var(--border-gold);
      border-radius: 999px;
      color: var(--gold-light);
      font-size: 13px;
      background: rgba(201, 165, 92, 0.06);
      margin-bottom: 24px;
    }

    .hero-copy .kicker i {
      font-size: 12px;
    }

    .hero-copy h1 {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      letter-spacing: 0.5px;
    }

    .hero-line {
      width: 80px;
      height: 4px;
      background: linear-gradient(90deg, var(--gold-light), var(--gold), transparent);
      border-radius: 4px;
      margin: 24px 0;
    }

    .hero-copy .hero-sub {
      color: var(--text-sub);
      font-size: 16px;
      line-height: 1.8;
      max-width: 560px;
    }

    .hero-cta {
      display: flex;
      gap: 16px;
      margin-top: 32px;
      flex-wrap: wrap;
    }

    .hero-trust {
      margin-top: 28px;
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--text-faint);
    }

    .hero-trust i {
      color: var(--success);
    }

    .hero-media {
      position: relative;
    }

    .hero-media::before {
      content: "";
      position: absolute;
      inset: -20px;
      background: radial-gradient(ellipse at center, rgba(201, 165, 92, 0.15) 0%, transparent 70%);
      z-index: 0;
    }

    .hero-media img {
      position: relative;
      width: 100%;
      height: 380px;
      object-fit: cover;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-dim);
      z-index: 1;
    }

    .hero-badge {
      position: absolute;
      z-index: 2;
      background: rgba(21, 21, 29, 0.92);
      border: 1px solid var(--border-gold);
      border-radius: 12px;
      padding: 10px 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      box-shadow: var(--shadow-card);
      animation: floatY 6s ease-in-out infinite;
    }

    .hero-badge .num {
      font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
      font-variant-numeric: tabular-nums;
      font-size: 30px;
      font-weight: 800;
      color: var(--gold-light);
      line-height: 1;
      text-shadow: 0 0 18px rgba(201, 165, 92, 0.45);
    }

    .hero-badge .label {
      font-size: 12px;
      color: var(--text-sub);
      line-height: 1.3;
    }

    .hero-badge.badge-1 {
      top: 20px;
      right: -12px;
    }

    .hero-badge.badge-2 {
      bottom: 24px;
      left: -16px;
      animation-delay: 3s;
    }

    @keyframes floatY {
      0%,
      100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-4px);
      }
    }

    .stats-bar {
      padding: 40px 0;
      background: var(--bg-void);
      border-top: 1px solid var(--border-dim);
      border-bottom: 1px solid var(--border-dim);
    }

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

    .stat-item {
      text-align: center;
      padding: 20px 16px;
    }

    .stat-item .stat-num {
      font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
      font-variant-numeric: tabular-nums;
      font-size: 36px;
      font-weight: 800;
      line-height: 1.2;
      background: linear-gradient(110deg, var(--gold-light), var(--gold));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .stat-item .stat-text {
      margin-top: 6px;
      font-size: 13px;
      color: var(--text-sub);
    }

    .benefit-section {
      padding: 96px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 48px;
      gap: 24px;
    }

    .section-head h2 {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 32px;
      font-weight: 700;
      line-height: 1.25;
      color: var(--text-main);
    }

    .section-head p {
      color: var(--text-sub);
      font-size: 15px;
      max-width: 560px;
    }

    .section-kicker {
      display: inline-block;
      color: var(--gold);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 1px;
      margin-bottom: 8px;
      text-transform: uppercase;
    }

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

    .benefit-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-dim);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .benefit-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      background: var(--surface-2);
    }

    .card-img {
      position: relative;
      overflow: hidden;
      background: var(--surface-2);
      height: 200px;
    }

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

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

    .card-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 50%, rgba(8, 8, 12, 0.6) 100%);
    }

    .card-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 2;
      padding: 4px 14px;
      border-radius: 999px;
      background: rgba(21, 21, 29, 0.85);
      border: 1px solid var(--border-gold);
      color: var(--gold-light);
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }

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

    .card-body h3 {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 20px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .card-body p {
      color: var(--text-sub);
      font-size: 14px;
      line-height: 1.7;
      flex: 1;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--gold);
      font-size: 14px;
      font-weight: 600;
      margin-top: 16px;
      transition: gap 0.25s;
    }

    .card-link:hover {
      gap: 12px;
      color: var(--gold-light);
    }

    .benefit-more {
      text-align: center;
      margin-top: 48px;
    }

    .audience-section {
      padding: 96px 0;
      background: var(--bg-void);
      border-top: 1px solid var(--border-dim);
      border-bottom: 1px solid var(--border-dim);
    }

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

    .audience-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-dim);
      transition: all 0.3s;
    }

    .audience-card:hover {
      border-color: var(--border-gold);
      box-shadow: var(--shadow-card);
      transform: translateY(-2px);
    }

    .audience-card .icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(201, 165, 92, 0.12);
      border: 1px solid var(--border-gold);
      color: var(--gold-light);
      font-size: 22px;
      margin-bottom: 20px;
    }

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

    .audience-card p {
      color: var(--text-sub);
      font-size: 14px;
      line-height: 1.7;
    }

    .process-note {
      margin-top: 56px;
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-dim);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .process-note .step-row {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .step-row .step {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .step-row .step .dot {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--gold-light), var(--gold));
      color: #1A1A1A;
      font-size: 13px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .step-row .step span {
      color: var(--text-sub);
      font-size: 14px;
    }

    .step-row .arrow {
      color: var(--gold);
      font-size: 14px;
    }

    .faq-section {
      padding: 96px 0;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .faq-item {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      border: 1px solid var(--border-dim);
      transition: border-color 0.25s, box-shadow 0.25s;
    }

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

    .faq-item.open {
      border-color: var(--border-gold);
      box-shadow: var(--glow-gold);
    }

    .faq-q {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      text-align: left;
      color: var(--text-main);
      font-size: 15px;
      font-weight: 600;
      line-height: 1.5;
      padding: 0;
      background: none;
      border: none;
      cursor: pointer;
    }

    .faq-q::after {
      content: "+";
      font-size: 22px;
      font-weight: 400;
      color: var(--gold);
      flex-shrink: 0;
      transition: transform 0.25s;
      line-height: 1;
    }

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

    .faq-a {
      display: none;
      padding-top: 12px;
      color: var(--text-sub);
      font-size: 13px;
      line-height: 1.7;
    }

    .faq-item.open .faq-a {
      display: block;
      animation: fadeIn 0.25s ease-in-out;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(-4px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .cta-section {
      background: linear-gradient(120deg, rgba(11, 11, 16, 0.88), rgba(21, 21, 29, 0.78)),
        url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
      border-top: 1px solid var(--border-dim);
      border-bottom: 1px solid var(--border-dim);
      padding: 96px 0;
      text-align: center;
    }

    .cta-inner {
      max-width: 720px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
    }

    .cta-inner p {
      color: var(--text-sub);
      font-size: 16px;
      margin: 16px 0 32px;
      line-height: 1.8;
    }

    .site-footer {
      background: var(--bg-void);
      padding-top: 64px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 48px;
    }

    .footer-logo {
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      font-size: 22px;
      font-weight: 800;
      background: linear-gradient(110deg, var(--gold-light), var(--gold));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
      margin-bottom: 16px;
    }

    .footer-brand p {
      color: var(--text-faint);
      font-size: 14px;
      line-height: 1.7;
      max-width: 280px;
    }

    .footer-col h4 {
      color: var(--text-main);
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      color: var(--text-faint);
      font-size: 14px;
      line-height: 2.2;
      transition: color 0.25s;
    }

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

    .footer-col p {
      color: var(--text-faint);
      font-size: 14px;
      line-height: 2;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dim);
      padding: 20px 0;
      text-align: center;
    }

    .footer-bottom p {
      color: var(--text-faint);
      font-size: 13px;
    }

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

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

    @media (max-width: 992px) {
      .site-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(11, 11, 16, 0.97);
        padding: 16px 24px 24px;
        gap: 0;
        border-bottom: 1px solid var(--border-gold);
        transform: translateY(-110%);
        transition: transform 0.3s ease;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
      }

      .site-nav.open {
        transform: translateY(0);
      }

      .site-nav a {
        display: block;
        font-size: 16px;
        line-height: 48px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      }

      .site-nav a:last-child {
        border-bottom: none;
      }

      .site-nav a::after {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .nav-search.open {
        width: 160px;
      }

      .hero-split {
        grid-template-columns: 1fr;
      }

      .hero-media {
        order: -1;
        max-width: 100%;
      }

      .hero-media img {
        height: 300px;
      }

      .hero-badge.badge-1 {
        right: 8px;
      }

      .hero-badge.badge-2 {
        left: 8px;
      }

      .hero-copy h1 {
        font-size: 32px;
      }

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

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

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

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

    @media (max-width: 640px) {
      .container {
        padding: 0 16px;
      }

      .header-actions {
        gap: 10px;
      }

      .header-cta {
        padding: 10px 18px;
        font-size: 13px;
      }

      .nav-search.open {
        position: absolute;
        top: 64px;
        left: 16px;
        right: 16px;
        width: auto;
      }

      .brand {
        font-size: 17px;
      }

      .page-hero {
        padding: 120px 0 56px;
      }

      .hero-copy h1 {
        font-size: 28px;
      }

      .hero-media img {
        height: 220px;
      }

      .hero-badge {
        padding: 8px 12px;
      }

      .hero-badge .num {
        font-size: 22px;
      }

      .hero-badge .label {
        font-size: 11px;
      }

      .stats-grid {
        gap: 12px;
      }

      .stat-item .stat-num {
        font-size: 28px;
      }

      .benefit-section {
        padding: 64px 0;
      }

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

      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 32px;
      }

      .section-head h2 {
        font-size: 24px;
      }

      .audience-section {
        padding: 64px 0;
      }

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

      .process-note {
        flex-direction: column;
        align-items: flex-start;
      }

      .step-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }

      .step-row .arrow {
        transform: rotate(90deg);
      }

      .faq-section {
        padding: 64px 0;
      }

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

      .cta-inner h2 {
        font-size: 24px;
      }

      .cta-inner .btn-lg {
        width: 100%;
      }

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

    @media (max-width: 480px) {
      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
      }

      .stat-item {
        padding: 16px 8px;
      }

      .stat-item .stat-num {
        font-size: 24px;
      }

      .header-cta {
        display: none;
      }
    }

/* roulang page: category2 */
:root{
  --bg-void:#08080C;
  --bg-deep:#0B0B10;
  --surface:#15151D;
  --surface-2:#1B1B26;
  --text-main:#F4F2ED;
  --text-sub:#B8B2A7;
  --text-faint:#8A857A;
  --gold:#C9A55C;
  --gold-light:#E4C98A;
  --amber:#E8A33D;
  --wine:#7B2D4E;
  --success:#4E9F7A;
  --danger:#D95B43;
  --border-dim:rgba(255,255,255,0.08);
  --border-gold:rgba(201,165,92,0.45);
  --gradient-brand:linear-gradient(110deg,#E4C98A 0%,#C9A55C 20%,#7B2D4E 75%,#4A1F3D 100%);
  --gradient-cta:linear-gradient(135deg,#E8C16F 0%,#C98A3D 100%);
  --radius-lg:24px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 8px 28px rgba(0,0,0,0.35);
  --shadow-hover:0 14px 40px rgba(0,0,0,0.45),0 0 0 1px rgba(201,165,92,0.4);
  --glow-gold:0 0 18px rgba(201,165,92,0.35);
  --font-title:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-head{text-align:center;margin-bottom:56px;}
.section-head .tag{
  display:inline-block;padding:6px 18px;border:1px solid var(--border-gold);
  color:var(--gold-light);font-size:12px;letter-spacing:2px;border-radius:999px;
  text-transform:uppercase;margin-bottom:16px;font-weight:600;
}
.section-head h2{font-family:var(--font-title);font-size:32px;font-weight:700;line-height:1.25;color:var(--text-main);}
.section-head p{color:var(--text-sub);font-size:16px;margin-top:12px;max-width:640px;margin-left:auto;margin-right:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:var(--radius-md);font-size:15px;font-weight:600;
  transition:all .3s ease;min-height:44px;line-height:1;white-space:nowrap;
}
.btn-gold{
  background:var(--gradient-cta);color:#1A1A1A;box-shadow:var(--glow-gold);
}
.btn-gold:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 28px rgba(201,165,92,0.45);}
.btn-gold:active{transform:scale(0.98);}
.btn-gold:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-outline{
  background:transparent;border:1px solid var(--border-gold);color:var(--gold-light);
}
.btn-outline:hover{background:rgba(201,165,92,0.1);transform:translateY(-2px);border-color:var(--gold);}
.btn-outline:active{transform:scale(0.98);}
.btn-outline:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,0.25);color:var(--text-main);
}
.btn-ghost:hover{border-color:rgba(255,255,255,0.6);background:rgba(255,255,255,0.05);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(0.98);}
.btn-ghost:focus-visible{outline:2px solid var(--text-main);outline-offset:3px;}
img{object-fit:cover;}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;
  background:rgba(11,11,16,0.85);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
}
.site-header::after{
  content:"";position:absolute;bottom:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,165,92,0.7),transparent);
  pointer-events:none;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;position:relative;}
.brand{
  font-family:var(--font-title);font-weight:800;font-size:20px;letter-spacing:1px;
  color:var(--gold-light);white-space:nowrap;display:flex;align-items:center;gap:8px;
  flex-shrink:0;
}
.brand::before{content:"\f11b";font-family:"Font Awesome 6 Free";font-weight:900;font-size:16px;color:var(--gold);}
.site-nav{display:flex;align-items:center;gap:32px;}
.site-nav a{position:relative;color:var(--text-sub);font-size:15px;font-weight:500;padding:6px 0;line-height:1;}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);
  transition:width .3s ease;border-radius:2px;
}
.site-nav a:hover{color:var(--gold-light);}
.site-nav a.active{color:var(--gold);}
.site-nav a.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);border:1px solid var(--border-dim);background:transparent;transition:all .25s ease;
}
.icon-btn:hover{color:var(--gold);border-color:var(--border-gold);}
.nav-search{
  width:0;opacity:0;padding:0;border:1px solid var(--border-dim);background:rgba(255,255,255,0.05);
  border-radius:var(--radius-md);color:var(--text-main);font-size:14px;height:44px;
  transition:all .35s ease;outline:none;
}
.nav-search.open{width:240px;opacity:1;padding:0 14px;}
.nav-search:focus{border-color:var(--gold);box-shadow:var(--glow-gold);}
.header-cta{padding:10px 24px;min-height:44px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--border-dim);border-radius:var(--radius-md);}
.nav-toggle span{width:20px;height:2px;background:var(--text-main);border-radius:2px;transition:all .3s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== category2 hero ===== */
.cat2-hero{
  position:relative;padding:160px 0 100px;text-align:center;overflow:hidden;
  background:linear-gradient(135deg,rgba(11,11,16,0.9),rgba(30,15,25,0.85)),url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
}
.cat2-hero::before{
  content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(201,165,92,0.22) 0%,transparent 65%);
  pointer-events:none;
}
.cat2-hero::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:80px;
  background:linear-gradient(to top,var(--bg-deep),transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px;margin:0 auto;}
.hero-tag{
  display:inline-block;padding:8px 24px;border:1px solid var(--border-gold);border-radius:999px;
  color:var(--gold-light);font-size:13px;letter-spacing:3px;font-weight:600;margin-bottom:24px;
  background:rgba(201,165,92,0.08);
}
.cat2-hero h1{
  font-family:var(--font-title);font-size:48px;font-weight:800;line-height:1.15;color:var(--text-main);
  margin-bottom:20px;letter-spacing:2px;
}
.cat2-hero h1 span{background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.cat2-hero .subtitle{
  color:var(--text-sub);font-size:18px;line-height:1.7;max-width:680px;margin:0 auto 40px;
}
.hero-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:56px;flex-wrap:wrap;}
.hero-stat{text-align:center;}
.hero-stat .num{font-family:var(--font-num);font-size:36px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;text-shadow:0 0 20px rgba(201,165,92,0.4);}
.hero-stat .label{font-size:13px;color:var(--text-faint);margin-top:4px;}

/* ===== split section ===== */
.split-section{padding:96px 0;background:var(--bg-deep);}
.split-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:56px;align-items:start;}
.split-left{}
.split-left .intro{margin-bottom:36px;}
.split-left .intro h2{font-family:var(--font-title);font-size:32px;font-weight:700;line-height:1.25;color:var(--text-main);margin-bottom:12px;}
.split-left .intro p{color:var(--text-sub);font-size:16px;line-height:1.7;}
.timeline-list{display:flex;flex-direction:column;gap:0;position:relative;}
.timeline-list::before{
  content:"";position:absolute;left:27px;top:20px;bottom:20px;width:1px;
  background:linear-gradient(to bottom,var(--border-gold),rgba(201,165,92,0.08));
}
.timeline-item{position:relative;padding:12px 0 12px 76px;}
.timeline-item .line-num{
  position:absolute;left:0;top:16px;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);border:1px solid var(--border-gold);color:var(--gold-light);
  font-family:var(--font-num);font-weight:700;font-size:16px;box-shadow:var(--glow-gold);
}
.timeline-item h3{font-family:var(--font-title);font-size:19px;font-weight:700;color:var(--text-main);margin-bottom:6px;}
.timeline-item p{color:var(--text-sub);font-size:14px;line-height:1.65;}

.split-right .info-card{
  background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);border:1px solid var(--border-dim);
  transition:transform .35s ease,box-shadow .35s ease;
}
.split-right .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.info-card img{width:100%;height:220px;object-fit:cover;border-radius:var(--radius-lg) var(--radius-lg) 0 0;}
.info-card-body{padding:28px;}
.info-card-body h3{font-family:var(--font-title);font-size:20px;font-weight:700;color:var(--gold-light);margin-bottom:14px;}
.info-card-body p{color:var(--text-sub);font-size:14px;line-height:1.75;margin-bottom:16px;}
.info-card-tags{display:flex;flex-wrap:wrap;gap:8px;}
.info-card-tags span{
  padding:4px 12px;border-radius:999px;border:1px solid var(--border-gold);color:var(--gold-light);
  font-size:12px;background:rgba(201,165,92,0.06);
}

/* ===== steps section ===== */
.steps-section{padding:96px 0;background:var(--bg-void);position:relative;}
.steps-section::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:80%;height:1px;background:linear-gradient(90deg,transparent,var(--border-gold),transparent);
}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-card{
  background:var(--surface);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;
  border:1px solid var(--border-dim);box-shadow:var(--shadow-card);transition:all .3s ease;position:relative;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-gold);}
.step-num{
  width:52px;height:52px;margin:0 auto 20px;border-radius:50%;
  background:var(--gradient-brand);display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:18px;box-shadow:var(--glow-gold);
}
.step-card h3{font-family:var(--font-title);font-size:17px;font-weight:700;color:var(--text-main);margin-bottom:10px;}
.step-card p{color:var(--text-sub);font-size:13px;line-height:1.6;}

/* ===== dimensions ===== */
.dim-section{padding:96px 0;background:var(--bg-deep);}
.dim-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.dim-card{
  background:var(--surface);border-radius:var(--radius-lg);padding:28px 24px;
  border:1px solid var(--border-dim);transition:all .3s ease;display:flex;gap:16px;align-items:flex-start;
}
.dim-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-gold);}
.dim-icon{
  width:48px;height:48px;border-radius:14px;flex-shrink:0;
  background:rgba(201,165,92,0.1);border:1px solid var(--border-gold);
  display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:18px;
}
.dim-card h3{font-family:var(--font-title);font-size:17px;font-weight:700;color:var(--text-main);margin-bottom:4px;}
.dim-card p{color:var(--text-sub);font-size:13px;line-height:1.6;}

/* ===== quotes ===== */
.quotes-section{padding:96px 0;background:var(--bg-void);}
.quotes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  background:var(--surface);border-radius:var(--radius-lg);padding:28px 24px;
  border:1px solid var(--border-dim);position:relative;transition:all .3s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.quote-card::before{
  content:"\201C";position:absolute;top:12px;right:20px;font-size:60px;
  color:var(--border-gold);font-family:Georgia,serif;line-height:1;opacity:0.4;
}
.quote-card .stars{color:var(--amber);font-size:13px;margin-bottom:12px;letter-spacing:2px;}
.quote-card q{color:var(--text-main);font-size:14px;line-height:1.7;display:block;margin-bottom:16px;font-style:normal;}
.quote-author{color:var(--text-faint);font-size:13px;display:flex;align-items:center;gap:8px;}
.quote-author::before{content:"";width:16px;height:1px;background:var(--gold);}

/* ===== FAQ ===== */
.faq-section{padding:96px 0;background:var(--bg-deep);}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{
  background:var(--surface);border-radius:16px;border:1px solid var(--border-dim);
  padding:0;transition:all .3s ease;overflow:hidden;height:fit-content;
}
.faq-item:hover{border-color:var(--border-gold);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;font-size:15px;font-weight:600;color:var(--text-main);text-align:left;
  min-height:54px;transition:color .25s ease;
}
.faq-q:hover{color:var(--gold-light);}
.faq-q .faq-icon{
  width:24px;height:24px;border-radius:50%;border:1px solid var(--border-gold);
  display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:12px;
  transition:transform .25s ease;flex-shrink:0;background:rgba(201,165,92,0.08);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  padding:0 22px;color:var(--text-sub);font-size:13px;line-height:1.7;
}
.faq-item.open .faq-a{max-height:300px;padding:0 22px 18px;}

/* ===== CTA ===== */
.cta-section{padding:80px 0 100px;background:var(--bg-deep);}
.cta-card{
  background:linear-gradient(135deg,rgba(30,20,15,0.95),rgba(15,15,25,0.98)),url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  border-radius:var(--radius-lg);padding:64px 48px;text-align:center;position:relative;overflow:hidden;
  border:1px solid var(--border-gold);box-shadow:var(--shadow-hover);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at center,rgba(201,165,92,0.16) 0%,transparent 70%);
  pointer-events:none;
}
.cta-card h2{font-family:var(--font-title);font-size:28px;font-weight:700;color:var(--text-main);margin-bottom:14px;position:relative;z-index:2;}
.cta-card p{color:var(--text-sub);font-size:16px;max-width:560px;margin:0 auto 32px;position:relative;z-index:2;}
.cta-card .btn{position:relative;z-index:2;}

/* footer */
.site-footer{background:#06060A;border-top:1px solid var(--border-dim);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding:64px 0 40px;}
.footer-logo{font-family:var(--font-title);font-size:20px;font-weight:800;color:var(--gold-light);display:flex;align-items:center;gap:8px;margin-bottom:14px;}
.footer-logo::before{content:"\f11b";font-family:"Font Awesome 6 Free";font-weight:900;font-size:16px;color:var(--gold);}
.footer-brand p{color:var(--text-faint);font-size:14px;line-height:1.65;max-width:280px;}
.footer-col h4{font-family:var(--font-title);font-size:16px;font-weight:700;color:var(--text-main);margin-bottom:18px;}
.footer-col a{display:block;color:var(--text-faint);font-size:14px;padding:4px 0;transition:color .25s ease;}
.footer-col a:hover{color:var(--gold);}
.footer-col p{color:var(--text-faint);font-size:14px;padding:4px 0;line-height:1.6;}
.footer-bottom{border-top:1px solid var(--border-dim);padding:20px 0;text-align:center;}
.footer-bottom p{color:var(--text-faint);font-size:13px;}

/* responsive */
@media(max-width:1024px){
  .split-grid{grid-template-columns:1fr;gap:40px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .dim-grid{grid-template-columns:repeat(2,1fr);}
  .quotes-grid{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:992px){
  .site-nav{
    position:fixed;top:64px;left:0;right:0;background:rgba(11,11,16,0.98);backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;gap:0;padding:16px 24px 24px;
    transform:translateY(-120%);opacity:0;pointer-events:none;transition:all .35s ease;
    border-bottom:1px solid var(--border-dim);
  }
  .site-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .site-nav a{display:flex;align-items:center;height:48px;font-size:16px;padding:0 8px;border-bottom:1px solid var(--border-dim);}
  .site-nav a:last-child{border-bottom:none;}
  .site-nav a::after{display:none;}
  .site-nav a.active{color:var(--gold);background:rgba(201,165,92,0.06);border-radius:var(--radius-sm);}
  .nav-toggle{display:flex;}
  .nav-search.open{width:180px;}
  .cat2-hero h1{font-size:36px;}
}
@media(max-width:768px){
  .section{padding:64px 0;}
  .cat2-hero{padding:130px 0 72px;}
  .cat2-hero h1{font-size:30px;}
  .cat2-hero .subtitle{font-size:16px;}
  .steps-grid{grid-template-columns:1fr;}
  .dim-grid{grid-template-columns:1fr;}
  .quotes-grid{grid-template-columns:1fr;}
  .hero-stats{gap:24px;}
  .hero-stat .num{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px;}
  .cta-card{padding:48px 24px;}
  .cta-card h2{font-size:24px;}
  .split-section{padding:64px 0;}
  .steps-section{padding:64px 0;}
  .dim-section{padding:64px 0;}
  .quotes-section{padding:64px 0;}
  .faq-section{padding:64px 0;}
  .cta-section{padding:56px 0 72px;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:17px;}
  .header-cta{display:none;}
  .nav-search.open{width:150px;position:absolute;right:70px;}
  .split-grid{gap:28px;}
  .timeline-item{padding-left:64px;}
  .timeline-item .line-num{width:48px;height:48px;font-size:14px;}
  .timeline-list::before{left:23px;}
  .hero-btns{flex-direction:column;width:100%;align-items:stretch;}
  .hero-btns .btn{width:100%;}
  .cta-card .btn{width:100%;}
}