/* roulang page: index */
:root {
  --bg-primary: #0E1013;
  --bg-deep: #08090B;
  --bg-panel: #15181C;
  --bg-elevated: #1B1F24;
  --accent: #10B981;
  --accent-hover: #0E9E6E;
  --accent-light: #34D399;
  --warning: #F59E0B;
  --danger: #EF4444;
  --text-primary: #E6E8EB;
  --text-secondary: #9BA1AA;
  --text-muted: #6E7480;
  --border-subtle: rgba(255,255,255,0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.45);
  --transition: all .25s ease-out;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif; background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; }
h1, h2, h3, h4, h5 { letter-spacing: 0.02em; line-height: 1.3; }
.container-site { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-tag { display: inline-block; padding: 4px 14px; background: rgba(16,185,129,0.1); color: var(--accent); border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; letter-spacing: 0.04em; margin-bottom: 12px; }
.section-head { margin-bottom: 40px; }
.section-head .section-desc { font-size: 16px; color: var(--text-secondary); margin-top: 8px; max-width: 560px; }
.section-head h2 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 700; margin-top: 4px; }

/* Navbar */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1050; height: 72px; background: rgba(14,16,19,0.85); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); transition: var(--transition); }
.site-header.scrolled { background: rgba(8,9,11,0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.4); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(16,185,129,0.05)); border: 1px solid rgba(16,185,129,0.3); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 18px; }
.logo-text { font-size: 18px; font-weight: 700; color: #fff; line-height: 1.2; letter-spacing: 0.02em; }
.logo-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--text-secondary); position: relative; padding: 8px 2px; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { position: relative; }
.search-box input { width: 180px; height: 38px; background: var(--bg-elevated); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-pill); padding: 0 14px 0 36px; color: var(--text-primary); font-size: 14px; outline: none; transition: var(--transition); }
.search-box input:focus { width: 240px; border-color: rgba(16,185,129,0.6); box-shadow: 0 0 0 4px rgba(16,185,129,0.15); }
.search-box i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; }
.btn-outline-sm { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 20px; border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 14px; font-weight: 500; background: transparent; transition: var(--transition); }
.btn-outline-sm:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }
.btn-primary-sm { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 22px; background: var(--accent); border: none; border-radius: var(--radius-sm); color: #fff; font-size: 14px; font-weight: 600; transition: var(--transition); }
.btn-primary-sm:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(16,185,129,0.3); }
.nav-toggle { display: none; background: transparent; border: none; color: var(--text-primary); font-size: 24px; cursor: pointer; padding: 4px 8px; }

/* Hero */
.hero { position: relative; min-height: 620px; display: flex; flex-direction: column; justify-content: center; background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat; background-color: var(--bg-deep); padding-top: 72px; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,9,11,0.94) 0%, rgba(8,9,11,0.78) 50%, rgba(8,9,11,0.45) 100%); }
.hero-content { position: relative; z-index: 1; width: 100%; }
.hero-badge { display: inline-block; padding: 6px 18px; background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: var(--accent-light); border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; letter-spacing: 0.04em; margin-bottom: 20px; }
.hero h1 { font-size: clamp(40px, 6vw, 64px); font-weight: 700; color: #fff; margin: 0 0 18px; max-width: 680px; }
.hero-subtitle { font-size: 17px; line-height: 1.7; color: #B8BEC8; max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-bottom: 36px; flex-wrap: wrap; }
.btn-primary-lg { display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 32px; background: var(--accent); border: none; border-radius: var(--radius-sm); color: #fff; font-size: 16px; font-weight: 600; transition: var(--transition); }
.btn-primary-lg:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(16,185,129,0.35); }
.btn-ghost-lg { display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 28px; background: transparent; border: 1px solid rgba(255,255,255,0.3); border-radius: var(--radius-sm); color: #fff; font-size: 16px; font-weight: 500; transition: var(--transition); }
.btn-ghost-lg:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.5); }
.hero-status { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.status-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); flex-shrink: 0; }
.hero-trust { position: relative; z-index: 1; border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; margin-top: 60px; }
.hero-trust .container-site { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; }
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 14px; font-weight: 500; }
.trust-item i { color: var(--accent); font-size: 16px; }

/* Sections */
.section-shelf, .section-hot, .section-tabs, .section-news, .section-faq { padding: 96px 0; position: relative; }
.section-shelf { background: var(--bg-primary); }
.section-hot { background: var(--bg-deep); }
.section-tabs { background: var(--bg-primary); }
.section-news { background: var(--bg-deep); }
.section-faq { background: var(--bg-primary); }

/* Shelf */
.shelf-nav { display: flex; gap: 8px; }
.shelf-btn { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--bg-elevated); border: 1px solid var(--border-subtle); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); }
.shelf-btn:hover { background: rgba(16,185,129,0.15); color: var(--accent); border-color: rgba(16,185,129,0.4); }
.shelf-track { display: flex; gap: 24px; overflow-x: auto; scroll-behavior: smooth; padding-bottom: 12px; scrollbar-width: none; }
.shelf-track::-webkit-scrollbar { display: none; }
.shelf-card { min-width: 320px; width: 320px; height: 380px; border-radius: var(--radius-lg); background: var(--bg-panel); border: 1px solid var(--border-subtle); overflow: hidden; position: relative; transition: var(--transition); flex-shrink: 0; }
.shelf-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(16,185,129,0.4); }
.shelf-card-media { height: 200px; background: var(--bg-elevated) center / cover no-repeat; position: relative; overflow: hidden; }
.shelf-card-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, #0E1013 0%, transparent 70%); }
.shelf-card-badge { position: absolute; top: 14px; left: 14px; z-index: 2; display: inline-block; padding: 4px 12px; background: rgba(0,0,0,0.55); backdrop-filter: blur(8px); color: #fff; font-size: 12px; font-weight: 500; border-radius: var(--radius-pill); letter-spacing: 0.04em; }
.shelf-card-badge.badge-hot { background: var(--warning); color: #111; }
.shelf-card-body { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; z-index: 2; }
.shelf-card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; color: #fff; }
.shelf-card-body p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.shelf-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.shelf-tag { padding: 2px 10px; background: rgba(255,255,255,0.08); border-radius: var(--radius-pill); font-size: 12px; color: var(--text-secondary); }

/* Hot */
.hot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: stretch; }
.hot-feature { border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-panel); border: 1px solid var(--border-subtle); position: relative; min-height: 420px; display: flex; flex-direction: column; }
.hot-feature-media { height: 240px; background: var(--bg-elevated) center / cover no-repeat; position: relative; }
.hot-feature-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-panel) 0%, transparent 60%); }
.hot-feature-body { padding: 24px; flex: 1; display: flex; flex-direction: column; justify-content: flex-end; }
.hot-feature-body .badge-hot { display: inline-block; padding: 4px 14px; background: rgba(245,158,11,0.2); color: var(--warning); border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; margin-bottom: 10px; align-self: flex-start; }
.hot-feature-body h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.hot-feature-body p { font-size: 15px; color: var(--text-secondary); margin-bottom: 16px; }
.hot-list { display: flex; flex-direction: column; gap: 0; }
.hot-item { display: flex; align-items: center; gap: 20px; padding: 24px 20px; border-bottom: 1px solid var(--border-subtle); transition: var(--transition); border-radius: var(--radius-md); }
.hot-item:last-child { border-bottom: none; }
.hot-item:hover { background: rgba(16,185,129,0.06); padding-left: 28px; }
.hot-num { font-size: 28px; font-weight: 800; color: rgba(255,255,255,0.15); min-width: 52px; font-style: italic; }
.hot-item-body { flex: 1; }
.hot-item-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 4px; color: var(--text-primary); }
.hot-item-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: 6px; }
.hot-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--accent); }
.hot-link { color: var(--accent); font-size: 14px; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.hot-link:hover { color: var(--accent-light); }
.hot-link i { transition: transform .2s; }
.hot-link:hover i { transform: translateX(4px); }

/* Tabs */
.tabs-nav { display: flex; gap: 12px; margin-bottom: 32px; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0; flex-wrap: wrap; }
.tab-btn { padding: 12px 28px; background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--text-secondary); font-size: 16px; font-weight: 500; cursor: pointer; transition: var(--transition); }
.tab-btn:hover { color: #fff; }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .3s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.tab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.guide-card { background: var(--bg-panel); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(16,185,129,0.3); }
.guide-card-header { height: 110px; position: relative; display: flex; align-items: center; justify-content: center; }
.guide-card-header i { font-size: 32px; color: #fff; position: relative; z-index: 1; }
.guide-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.guide-card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.guide-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; flex: 1; margin-bottom: 16px; }
.guide-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.guide-link { color: var(--accent); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.guide-link:hover { color: var(--accent-light); }
.guide-link i { transition: transform .2s; }
.guide-link:hover i { transform: translateX(4px); }

/* CTA */
.section-cta { padding: 96px 0; position: relative; background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat; background-color: var(--bg-deep); }
.section-cta::before { content: ''; position: absolute; inset: 0; background: rgba(8,9,11,0.85); }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 700; color: #fff; margin-bottom: 12px; max-width: 600px; }
.cta-inner p { font-size: 15px; color: var(--text-secondary); max-width: 520px; }
.cta-btn { flex-shrink: 0; }

/* News */
.news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
.news-list { display: flex; flex-direction: column; }
.news-row { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 16px; padding: 20px 16px; border-bottom: 1px solid var(--border-subtle); transition: var(--transition); border-radius: var(--radius-sm); }
.news-row:hover { background: rgba(16,185,129,0.06); }
.news-cat { display: inline-block; padding: 3px 12px; background: rgba(16,185,129,0.1); color: var(--accent); border-radius: var(--radius-pill); font-size: 12px; font-weight: 500; text-align: center; white-space: nowrap; }
.news-body { display: block; min-width: 0; }
.news-title { display: block; font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-excerpt { display: block; font-size: 14px; color: var(--text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-date { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.news-empty { border: 2px dashed rgba(255,255,255,0.12); border-radius: var(--radius-lg); padding: 48px 24px; text-align: center; }
.news-empty p { color: var(--text-secondary); font-size: 15px; margin: 8px 0 0; }
.news-empty i { font-size: 40px; color: var(--text-muted); }
.focus-card { background: var(--bg-panel); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.focus-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(16,185,129,0.3); }
.focus-card-media { height: 180px; background: var(--bg-elevated) center / cover no-repeat; }
.focus-card-body { padding: 20px; }
.focus-card-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.focus-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; }
.focus-card-link { color: var(--accent); font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.focus-card-link:hover { color: var(--accent-light); }

/* FAQ */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item.custom-faq { background: transparent; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; }
.accordion-item.custom-faq .accordion-button { background: var(--bg-panel); color: var(--text-primary); font-size: 16px; font-weight: 500; padding: 18px 24px; box-shadow: none; border: none; transition: var(--transition); }
.accordion-item.custom-faq .accordion-button:not(.collapsed) { background: var(--bg-elevated); color: var(--accent); }
.accordion-item.custom-faq .accordion-button:focus { box-shadow: 0 0 0 3px rgba(16,185,129,0.15); }
.accordion-item.custom-faq .accordion-button::after { background-image: none; content: '+'; font-size: 24px; font-weight: 300; display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; transition: transform .25s; color: var(--text-secondary); }
.accordion-item.custom-faq .accordion-button:not(.collapsed)::after { transform: rotate(45deg); color: var(--accent); }
.accordion-item.custom-faq .accordion-body { background: var(--bg-panel); color: var(--text-secondary); font-size: 15px; line-height: 1.7; padding: 0 24px 20px; border-top: 1px solid rgba(255,255,255,0.04); }

/* Footer */
.site-footer { background: var(--bg-deep); border-top: 1px solid var(--border-subtle); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: 0.06em; }
.footer-links-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-links-list li a { font-size: 14px; color: var(--text-muted); transition: var(--transition); }
.footer-links-list li a:hover { color: var(--accent); }
.status-panel { background: var(--bg-panel); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: 20px; }
.status-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 14px; color: var(--text-secondary); }
.status-row .status-dot { width: 7px; height: 7px; }
.status-row .status-name { flex: 1; }
.status-row .status-value { font-size: 12px; color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border-subtle); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom .copyright { font-size: 13px; color: var(--text-muted); }
.footer-bottom .lang-select { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }

/* Responsive */
@media (max-width: 1200px) {
  .shelf-card { min-width: 300px; width: 300px; }
}
@media (max-width: 992px) {
  .container-site { padding: 0 20px; }
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: rgba(14,16,19,0.98); flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 4px; display: none; border-bottom: 1px solid var(--border-subtle); }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; padding: 12px 0; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .nav-link.active::after { display: none; }
  .nav-link.active { color: var(--accent); }
  .nav-toggle { display: block; }
  .search-box { display: none; }
  .header-actions .btn-outline-sm { display: none; }
  .hot-grid { grid-template-columns: 1fr; }
  .tab-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-trust { margin-top: 40px; }
  .hero { min-height: 560px; }
}
@media (max-width: 768px) {
  .section-shelf, .section-hot, .section-tabs, .section-news, .section-faq, .section-cta { padding: 56px 0; }
  .hero { min-height: 500px; }
  .hero h1 { font-size: clamp(34px, 7vw, 44px); }
  .hero-subtitle { font-size: 15px; }
  .hero-actions { gap: 12px; }
  .btn-primary-lg, .btn-ghost-lg { height: 44px; padding: 0 24px; font-size: 15px; }
  .shelf-card { min-width: 270px; width: 270px; height: 350px; }
  .tab-grid { grid-template-columns: 1fr; }
  .tabs-nav { gap: 4px; }
  .tab-btn { padding: 10px 16px; font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-btn { width: 100%; }
  .cta-btn .btn-primary-lg { width: 100%; justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .news-row { grid-template-columns: 70px 1fr; }
  .news-date { grid-column: 2 / -1; }
  .news-excerpt { display: none; }
  .hero-trust .container-site { justify-content: center; }
  .trust-item { font-size: 13px; }
}
@media (max-width: 576px) {
  .container-site { padding: 0 16px; }
  .logo-text { font-size: 16px; }
  .hero { min-height: 480px; }
  .hero-status { gap: 12px; }
  .hero-trust { margin-top: 32px; padding: 16px 0; }
  .shelf-card { min-width: 70vw; width: 70vw; height: 340px; }
  .hot-feature-media { height: 180px; }
  .hot-item { padding: 20px 12px; gap: 14px; }
  .hot-num { font-size: 22px; min-width: 40px; }
  .guide-card-header { height: 90px; }
  .section-head { margin-bottom: 28px; }
}

/* roulang page: category1 */
:root {
            --bg-primary: #0E1013;
            --bg-deep: #08090B;
            --bg-panel: #15181C;
            --bg-elevated: #1B1F24;
            --accent: #10B981;
            --accent-hover: #0E9E6E;
            --accent-light: #34D399;
            --accent-dim: rgba(16, 185, 129, 0.12);
            --warning: #F59E0B;
            --text-primary: #E6E8EB;
            --text-secondary: #9BA1AA;
            --text-muted: #6E7480;
            --border: rgba(255, 255, 255, 0.08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
            --transition: 0.25s ease-out;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s ease-out;
        }
        a:hover {
            color: var(--accent-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }
        .container-site {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 576px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 72px;
            background: rgba(14, 16, 19, 0.85);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease-out, box-shadow 0.3s ease-out;
        }
        .site-header.scrolled {
            background: rgba(8, 9, 11, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #0B7A5A);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 4px 12px rgba(16, 185, 129, 0.3);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 12px;
        }
        .main-nav .nav-link {
            position: relative;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: color 0.2s ease-out, background 0.2s ease-out;
        }
        .main-nav .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav .nav-link.active {
            color: var(--text-primary);
        }
        .main-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 180px;
            height: 40px;
            padding: 0 14px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 999px;
            transition: width 0.25s ease-out, border-color 0.2s ease-out;
        }
        .search-box:focus-within {
            width: 260px;
            border-color: rgba(16, 185, 129, 0.6);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 18px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease-out;
        }
        .btn-outline-sm:hover {
            border-color: rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }
        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            background: var(--accent);
            border: none;
            border-radius: 10px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.2s ease-out;
        }
        .btn-primary-sm:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
        }
        .nav-toggle:hover {
            border-color: rgba(16, 185, 129, 0.5);
        }
        @media (max-width: 992px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: rgba(8, 9, 11, 0.98);
                border-bottom: 1px solid var(--border);
                padding: 12px 16px;
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
            }
            .main-nav .nav-link.active::after {
                display: none;
            }
            .main-nav .nav-link.active {
                background: var(--accent-dim);
                color: var(--accent-light);
            }
            .search-box {
                width: 44px;
                padding: 0 12px;
                justify-content: center;
            }
            .search-box input {
                display: none;
            }
            .search-box:focus-within {
                width: 200px;
            }
            .search-box:focus-within input {
                display: block;
            }
            .btn-outline-sm {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
        }
        @media (max-width: 576px) {
            .btn-primary-sm {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 16px;
            }
        }

        /* ===== Cat Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: linear-gradient(90deg, rgba(8, 9, 11, 0.94) 0%, rgba(8, 9, 11, 0.75) 55%, rgba(8, 9, 11, 0.5) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            background-color: var(--bg-deep);
        }
        .cat-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .cat-hero .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color 0.2s;
        }
        .cat-hero .breadcrumb-custom a:hover {
            color: var(--accent-light);
        }
        .cat-hero .breadcrumb-custom span {
            color: var(--text-secondary);
        }
        .cat-hero h1 {
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 20px;
            max-width: 700px;
        }
        .cat-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 0;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
        }
        .hero-badge i {
            color: var(--accent);
            font-size: 14px;
        }
        @media (max-width: 768px) {
            .cat-hero {
                padding: 120px 0 60px;
                min-height: 420px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .cat-hero .hero-desc {
                font-size: 15px;
            }
        }

        /* ===== Section common ===== */
        .section-pad {
            padding: 96px 0;
        }
        .section-pad-sm {
            padding: 72px 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-header .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
        }
        .section-header h2 {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-header .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--bg-primary);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--bg-panel);
            overflow: hidden;
        }
        .step-item {
            position: relative;
            padding: 40px 40px 44px;
            display: flex;
            gap: 28px;
            border-bottom: 1px solid var(--border);
            background: transparent;
            transition: background 0.25s ease-out;
        }
        .step-item:nth-child(odd) {
            border-right: 1px solid var(--border);
        }
        .step-item:nth-last-child(-n+2) {
            border-bottom: none;
        }
        .step-item:hover {
            background: rgba(16, 185, 129, 0.04);
        }
        .step-num {
            font-size: 44px;
            font-weight: 700;
            line-height: 1;
            color: var(--accent);
            opacity: 0.85;
            flex-shrink: 0;
            min-width: 64px;
            letter-spacing: -0.02em;
        }
        .step-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .step-content p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .step-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 15px;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .step-item {
                padding: 28px 24px;
                flex-direction: column;
                gap: 16px;
            }
            .step-item:nth-child(odd) {
                border-right: none;
            }
            .step-item:nth-last-child(-n+2) {
                border-bottom: 1px solid var(--border);
            }
            .step-item:last-child {
                border-bottom: none;
            }
            .step-num {
                font-size: 36px;
                min-width: 0;
            }
            .step-content h3 {
                font-size: 18px;
            }
        }

        /* ===== Combo ===== */
        .combo-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .combo-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
        }
        .combo-main {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            background-color: var(--bg-elevated);
            border: 1px solid var(--border);
            transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
        }
        .combo-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .combo-main .combo-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/coverpic/cover-2.webp') center center / cover no-repeat;
            background-color: var(--bg-elevated);
        }
        .combo-main .combo-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 9, 11, 0.95) 0%, rgba(8, 9, 11, 0.4) 60%, transparent 100%);
        }
        .combo-main .combo-body {
            position: relative;
            z-index: 2;
            padding: 40px;
            width: 100%;
        }
        .combo-main .combo-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.1);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .combo-main .combo-tag i {
            color: var(--accent);
        }
        .combo-main h3 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .combo-main p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 480px;
            margin-bottom: 20px;
        }
        .combo-main .btn-link-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 15px;
            font-weight: 500;
            transition: gap 0.2s ease-out, color 0.2s ease-out;
        }
        .combo-main .btn-link-text:hover {
            color: var(--accent-light);
            gap: 10px;
        }
        .combo-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .combo-card {
            flex: 1;
            padding: 32px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s ease-out;
        }
        .combo-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.4);
        }
        .combo-card .combo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--accent-dim);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .combo-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .combo-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        @media (max-width: 992px) {
            .combo-grid {
                grid-template-columns: 1fr 1fr;
            }
            .combo-main {
                min-height: 360px;
            }
        }
        @media (max-width: 768px) {
            .combo-grid {
                grid-template-columns: 1fr;
            }
            .combo-main {
                min-height: 320px;
            }
            .combo-main .combo-body {
                padding: 24px;
            }
            .combo-card {
                padding: 24px;
            }
        }

        /* ===== Tools ===== */
        .tools-section {
            background: var(--bg-primary);
        }
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tool-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 36px 20px 32px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s ease-out;
        }
        .tool-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.4);
        }
        .tool-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
            border: 1px solid rgba(16, 185, 129, 0.25);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 26px;
            margin-bottom: 20px;
            transition: transform 0.25s ease-out;
        }
        .tool-card:hover .tool-icon {
            transform: scale(1.06);
        }
        .tool-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .tool-card p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-muted);
            margin-bottom: 16px;
            padding: 0 4px;
        }
        .tool-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            transition: gap 0.2s ease-out;
        }
        .tool-link:hover {
            gap: 8px;
            color: var(--accent-light);
        }
        @media (max-width: 992px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .tool-card {
                padding: 24px 12px 20px;
            }
            .tool-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-wrap .accordion-item {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease-out;
        }
        .faq-wrap .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(16, 185, 129, 0.35);
        }
        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 500;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            line-height: 1.5;
        }
        .faq-wrap .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.3s ease-out, color 0.3s ease-out;
            line-height: 1;
        }
        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--accent-light);
            background: rgba(16, 185, 129, 0.04);
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
            outline: none;
        }
        .faq-wrap .accordion-body {
            padding: 0 24px 22px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        @media (max-width: 768px) {
            .faq-wrap .accordion-button {
                font-size: 15px;
                padding: 18px 18px;
            }
            .faq-wrap .accordion-body {
                padding: 14px 18px 18px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(180deg, rgba(8, 9, 11, 0.92) 0%, rgba(8, 9, 11, 0.72) 100%), url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            background-color: var(--bg-deep);
            text-align: center;
        }
        .cta-section .cta-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .cta-section .cta-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 50px;
            padding: 0 36px;
            background: var(--accent);
            border: none;
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.25s ease-out;
        }
        .cta-btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(16, 185, 129, 0.35);
        }
        .cta-btn-primary:active {
            transform: translateY(0);
        }
        .cta-btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 50px;
            padding: 0 28px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease-out;
        }
        .cta-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--text-primary);
        }
        @media (max-width: 576px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .cta-btn-primary,
            .cta-btn-secondary {
                width: 100%;
                max-width: 320px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 360px;
            margin-top: 12px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }
        .footer-links-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links-list li {
            margin-bottom: 12px;
        }
        .footer-links-list a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s ease-out, padding-left 0.2s ease-out;
            display: inline-block;
        }
        .footer-links-list a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .status-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 20px 8px;
        }
        .status-row {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 12px;
            margin-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }
        .status-row:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 8px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px currentColor;
            flex-shrink: 0;
        }
        .status-name {
            font-size: 13px;
            color: var(--text-secondary);
            flex: 1;
        }
        .status-value {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            border-top: 1px solid var(--border);
        }
        .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }
        .lang-select {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        /* ===== Additional Utility ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-panel {
            background: var(--bg-panel);
        }

/* roulang page: article */
:root{
  --bg-dark:#0E1013;--bg-darker:#08090B;--bg-panel:#15181C;--bg-elevated:#1B1F24;
  --accent:#10B981;--accent-hover:#0E9E6E;--accent-light:#34D399;--accent-glow:rgba(16,185,129,0.35);
  --warn:#F59E0B;--danger:#EF4444;--text-main:#E6E8EB;--text-second:#9BA1AA;--text-muted:#6E7480;
  --border:rgba(255,255,255,0.08);--radius-xl:20px;--radius-lg:14px;--radius-md:10px;--radius-sm:8px;
  --shadow-card:0 2px 8px rgba(0,0,0,0.25);--shadow-hover:0 8px 30px rgba(0,0,0,0.45);
  --transition:0.25s ease-out;
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg-dark);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-top:72px}
img{max-width:100%;height:auto;border-radius:12px}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-light)}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
.container-site{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4,h5{line-height:1.3;letter-spacing:0.02em}
h1{font-size:clamp(32px,4vw,44px);font-weight:700;line-height:1.25}
h2{font-size:clamp(24px,3vw,32px);font-weight:700}
h3{font-size:22px;font-weight:600}
h4{font-size:18px;font-weight:600}
p{letter-spacing:0.01em}
.text-second{color:var(--text-second)}
.text-muted{color:var(--text-muted)}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(14,16,19,0.85);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);height:72px;transition:background var(--transition),box-shadow var(--transition)}
.site-header.scrolled{background:rgba(14,16,19,0.96);box-shadow:0 4px 20px rgba(0,0,0,0.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,rgba(16,185,129,0.25),rgba(16,185,129,0.05));border:1px solid rgba(16,185,129,0.4);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:18px}
.logo-text{font-size:18px;font-weight:700;color:#fff;white-space:nowrap}
.logo-text span{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:16px}
.nav-link{font-size:15px;font-weight:500;color:var(--text-second);padding:8px 2px;position:relative;transition:color var(--transition)}
.nav-link::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);border-radius:2px;transition:width var(--transition)}
.nav-link:hover{color:var(--text-main)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-main)}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:999px;padding:8px 16px;transition:border-color var(--transition),box-shadow var(--transition);width:200px}
.search-box i{color:var(--text-muted);font-size:14px}
.search-box input{background:transparent;border:none;outline:none;color:var(--text-main);font-size:14px;width:100%}
.search-box:focus-within{border-color:rgba(16,185,129,0.6);box-shadow:0 0 0 4px rgba(16,185,129,0.15)}
.btn-outline-sm{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid rgba(255,255,255,0.25);border-radius:var(--radius-md);color:var(--text-main);font-size:14px;font-weight:500;padding:10px 18px;transition:all var(--transition)}
.btn-outline-sm:hover{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.4)}
.btn-primary-sm{display:inline-flex;align-items:center;gap:8px;background:var(--accent);border:none;border-radius:var(--radius-md);color:#fff;font-size:14px;font-weight:600;padding:10px 20px;transition:all var(--transition);text-decoration:none}
.btn-primary-sm:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 4px 16px rgba(16,185,129,0.35)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);width:40px;height:40px;align-items:center;justify-content:center;color:var(--text-main);font-size:18px}

/* 面包屑 */
.breadcrumb-wrap{display:flex;align-items:center;gap:10px;padding:28px 0 8px;font-size:14px;color:var(--text-muted)}
.breadcrumb-wrap a{color:var(--text-muted);transition:color var(--transition)}
.breadcrumb-wrap a:hover{color:var(--accent)}
.breadcrumb-wrap .sep{color:var(--text-muted)}
.breadcrumb-wrap .current{color:var(--text-second)}

/* 文章布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;padding:24px 0 72px}
.article-main-col{min-width:0}
.article-header{padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:36px}
.article-header h1{margin-bottom:16px;font-size:clamp(28px,3.4vw,40px)}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:var(--text-muted)}
.meta-category{display:inline-flex;align-items:center;gap:6px;background:rgba(16,185,129,0.12);color:var(--accent);border:1px solid rgba(16,185,129,0.3);border-radius:999px;padding:4px 14px;font-size:13px;font-weight:500}
.dot-sep{color:var(--text-muted)}
.article-body{font-size:17px;line-height:1.8;color:var(--text-main)}
.article-body p{margin-bottom:1.5em;line-height:1.8}
.article-body h2{font-size:28px;font-weight:700;margin-top:42px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.article-body h3{font-size:22px;font-weight:600;margin-top:32px;margin-bottom:14px}
.article-body h4{font-size:18px;font-weight:600;margin-top:24px;margin-bottom:12px}
.article-body ul{padding-left:0;margin:1.2em 0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.75}
.article-body ul li::before{content:'';position:absolute;left:4px;top:0.65em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.article-body ol{padding-left:24px;margin:1.2em 0}
.article-body ol li{margin-bottom:10px;list-style:decimal;line-height:1.75}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(16,185,129,0.4)}
.article-body a:hover{color:var(--accent-light);border-bottom-color:var(--accent-light)}
.article-body blockquote{border-left:3px solid var(--accent);background:var(--bg-panel);padding:20px 24px;margin:24px 0;border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-second);font-style:normal}
.article-body blockquote p{margin-bottom:0}
.article-body code{background:#1a1d22;color:var(--accent-light);padding:3px 8px;border-radius:6px;font-size:0.9em}
.article-body pre{background:#1a1d22;border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;overflow-x:auto;margin:24px 0;line-height:1.7}
.article-body pre code{background:transparent;padding:0;color:var(--text-main);font-size:14px}
.article-body img{border-radius:12px;border:1px solid var(--border);margin:12px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0}
.article-body table th,.article-body table td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.article-body table th{background:var(--bg-panel);font-weight:600;color:var(--text-main)}

/* 空态 */
.article-empty{background:var(--bg-panel);border:1px dashed var(--border);border-radius:var(--radius-xl);padding:72px 40px;text-align:center}
.article-empty i{font-size:52px;color:var(--text-muted);display:block;margin-bottom:20px}
.article-empty h2{font-size:24px;margin-bottom:12px}
.article-empty p{color:var(--text-second);margin-bottom:24px}
.article-empty .btn-primary-sm{padding:12px 28px;font-size:15px}

/* 文章操作区 */
.article-toolbar{display:flex;align-items:center;justify-content:space-between;padding-top:32px;margin-top:40px;border-top:1px solid var(--border)}
.toolbar-actions{display:flex;gap:12px}
.toolbar-btn{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-second);font-size:14px;font-weight:500;padding:10px 20px;transition:all var(--transition)}
.toolbar-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(16,185,129,0.06)}
.toolbar-btn:focus{outline:none;box-shadow:0 0 0 3px rgba(16,185,129,0.25)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{display:inline-flex;align-items:center;background:var(--bg-panel);border:1px solid var(--border);color:var(--text-muted);font-size:13px;border-radius:999px;padding:5px 14px;transition:border-color var(--transition)}
.tag-item:hover{border-color:rgba(16,185,129,0.4);color:var(--text-second)}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:24px}
.sidebar-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}
.sidebar-card h4{font-size:16px;font-weight:600;margin-bottom:20px;color:var(--text-main)}
.sidebar-links li{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.sidebar-links li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.sidebar-links a{display:block;font-size:15px;font-weight:500;color:var(--text-second);line-height:1.5;transition:color var(--transition)}
.sidebar-links a:hover{color:var(--accent)}
.sidebar-links span{display:block;font-size:12px;color:var(--text-muted);margin-top:4px}
.sidebar-help{background:linear-gradient(135deg,rgba(16,185,129,0.12),rgba(16,185,129,0.04));border:1px solid rgba(16,185,129,0.25);border-radius:var(--radius-lg);padding:28px 24px;text-align:center}
.sidebar-help i{font-size:36px;color:var(--accent);display:block;margin-bottom:12px}
.sidebar-help p{color:var(--text-second);font-size:15px;margin-bottom:16px}
.sidebar-help .btn-primary-sm{padding:10px 20px}

/* 相关推荐 */
.related-section{background:var(--bg-panel);padding:80px 0;border-top:1px solid var(--border)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.5vw,30px);color:var(--text-main)}
.section-head .section-sub{color:var(--text-muted);font-size:14px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{background:var(--bg-dark);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(16,185,129,0.35)}
.related-card .card-thumb{height:140px;overflow:hidden;position:relative;background:var(--bg-elevated)}
.related-card .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .card-thumb img{transform:scale(1.04)}
.related-card .card-thumb .thumb-tag{position:absolute;top:12px;left:12px;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);color:#fff;font-size:12px;padding:5px 12px;border-radius:999px}
.related-card .related-body{padding:20px}
.related-card .related-title{font-size:17px;font-weight:600;color:var(--text-main);margin-bottom:8px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .related-desc{font-size:14px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .related-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--text-muted)}
.related-card .related-meta .meta-tag{color:var(--accent);background:rgba(16,185,129,0.1);padding:3px 10px;border-radius:999px}

/* FAQ */
.faq-section{padding:88px 0;background:var(--bg-dark)}
.faq-inner{max-width:820px;margin:0 auto}
.accordion.faq-accordion{display:flex;flex-direction:column;gap:14px}
.accordion.faq-accordion .accordion-item{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.accordion.faq-accordion .accordion-header{background:transparent;border:none}
.accordion.faq-accordion .accordion-button{background:transparent;color:var(--text-main);font-size:16px;font-weight:500;padding:20px 24px;box-shadow:none;border:none;transition:background var(--transition)}
.accordion.faq-accordion .accordion-button::after{background-image:none;content:'+';font-size:22px;color:var(--text-muted);transition:transform var(--transition),color var(--transition);font-weight:300}
.accordion.faq-accordion .accordion-button:not(.collapsed){background:var(--bg-elevated);color:var(--text-main)}
.accordion.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent)}
.accordion.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion.faq-accordion .accordion-button:hover{background:var(--bg-elevated)}
.accordion.faq-accordion .accordion-body{padding:4px 24px 24px;color:var(--text-second);font-size:15px;line-height:1.7}

/* CTA 区 */
.cta-section{position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;padding:88px 0;border-top:1px solid var(--border)}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,9,11,0.95) 0%,rgba(8,9,11,0.82) 60%,rgba(8,9,11,0.65) 100%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cta-title{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:10px}
.cta-sub{color:var(--text-second);font-size:16px}
.cta-actions{display:flex;gap:16px;flex-shrink:0}

/* 页脚 */
.site-footer{background:var(--bg-darker);border-top:1px solid var(--border);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{color:var(--text-muted);font-size:15px;line-height:1.7;max-width:280px}
.footer-col h4{font-size:13px;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:0.04em;margin-bottom:20px}
.footer-links-list li{margin-bottom:12px}
.footer-links-list a{color:var(--text-second);font-size:14px;transition:color var(--transition)}
.footer-links-list a:hover{color:var(--accent)}
.status-panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px}
.status-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;font-size:14px}
.status-row + .status-row{border-top:1px solid var(--border)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);display:inline-block}
.status-name{color:var(--text-second);flex:1;margin-left:10px}
.status-value{color:var(--accent);font-weight:500;font-size:13px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}
.lang-select{display:inline-flex;align-items:center;gap:8px;color:var(--text-muted)}

/* 响应式 */
@media (max-width:1200px){
  .container-site{padding:0 20px}
  .search-box{width:160px}
}
@media (max-width:992px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(14,16,19,0.98);backdrop-filter:blur(20px);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:16px;border-bottom:1px solid var(--border)}
  .main-nav.open{display:flex}
  .nav-link{font-size:16px;padding:10px 0;width:100%}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .search-box{display:none}
  .header-actions .btn-outline-sm{display:none}
  .article-layout{grid-template-columns:1fr}
  .article-side{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{padding-top:64px}
  .site-header{height:64px}
  .logo-text{font-size:16px}
  .header-inner{padding:0 16px}
  .main-nav{top:64px}
  .related-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-primary-sm{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:12px}
  .article-toolbar{flex-direction:column;gap:16px;align-items:flex-start}
  .toolbar-actions{width:100%}
  .toolbar-btn{flex:1;justify-content:center}
  .faq-section{padding:60px 0}
  .related-section{padding:60px 0}
  .cta-section{padding:60px 0}
  .article-layout{padding-bottom:48px}
  .breadcrumb-wrap{padding-top:20px}
}
@media (max-width:576px){
  .container-site{padding:0 16px}
  .header-actions .btn-primary-sm{display:none}
  .header-actions .btn-outline-sm{display:none}
  .logo-text{font-size:15px}
  .article-header h1{font-size:26px}
  .article-body{font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .related-card .card-thumb{height:160px}
}

/* roulang page: category3 */
:root {
            --bg: #0E1013;
            --bg-deep: #08090B;
            --panel: #15181C;
            --panel-hover: #1B1F24;
            --accent: #10B981;
            --accent-hover: #0E9E6E;
            --accent-light: #34D399;
            --warn: #F59E0B;
            --danger: #EF4444;
            --text: #E6E8EB;
            --text-secondary: #9BA1AA;
            --text-muted: #6E7480;
            --border: rgba(255, 255, 255, 0.08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-xs: 12px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.45);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease-out;
        }

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

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

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

        section {
            padding: 96px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(16, 185, 129, 0.08);
            border: 1px solid rgba(16, 185, 129, 0.2);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: var(--text);
            margin: 18px 0 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-head {
            margin-bottom: 40px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(14, 16, 19, 0.85);
            backdrop-filter: saturate(180%) blur(20px);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(8, 9, 11, 0.95);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
            border: 1px solid rgba(16, 185, 129, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            position: relative;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color 0.25s ease, background 0.25s ease;
        }

        .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--text);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--panel-hover);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 14px;
            height: 40px;
            width: 180px;
            transition: width 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .search-box:focus-within {
            width: 260px;
            border-color: rgba(16, 185, 129, 0.6);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text);
            font-size: 14px;
            width: 100%;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 18px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }

        .btn-outline-sm:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.35);
            color: var(--text);
        }

        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }

        .btn-primary-sm:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
        }

        .nav-toggle {
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 20px;
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        /* ========== 分类 Hero ========== */
        .cat-hero {
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            padding: 64px 0;
            background: var(--bg);
            overflow: hidden;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.55;
        }

        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 9, 11, 0.96) 0%, rgba(8, 9, 11, 0.78) 55%, rgba(8, 9, 11, 0.5) 100%);
        }

        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .breadcrumb-line {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-line a {
            color: var(--text-muted);
        }

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

        .breadcrumb-line .sep {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .cat-hero h1 {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
            color: var(--text);
        }

        .cat-hero h1 span {
            color: var(--accent);
        }

        .cat-hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: #B8BEC8;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-status-row {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .hero-status-item .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px currentColor;
        }

        /* ========== 编号行式列表 ========== */
        .overview-section {
            background: var(--bg);
        }

        .numbered-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0 48px;
            border-top: 1px solid var(--border);
        }

        .numbered-item {
            display: flex;
            gap: 24px;
            padding: 36px 0;
            border-bottom: 1px solid var(--border);
            transition: background 0.25s ease;
        }

        .numbered-item:hover {
            background: rgba(16, 185, 129, 0.03);
        }

        .numbered-item .num {
            font-size: 44px;
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px rgba(16, 185, 129, 0.45);
            flex-shrink: 0;
            font-family: "Arial Black", "PingFang SC", sans-serif;
        }

        .numbered-item h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .numbered-item p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 大卡 + 小卡组合 ========== */
        .entry-guide-section {
            background: var(--bg-deep);
        }

        .official-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }

        .focus-card {
            grid-row: span 2;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .focus-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.35);
        }

        .focus-card-bg {
            height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .focus-card-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 16, 19, 0.85) 0%, transparent 70%);
        }

        .focus-card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(245, 158, 11, 0.9);
            color: #000;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
        }

        .focus-card-body {
            padding: 28px;
        }

        .focus-card-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .focus-card-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .tag-item {
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 999px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            transition: gap 0.25s ease;
        }

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

        .mini-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .mini-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.35);
        }

        .mini-card .mini-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 20px;
        }

        .mini-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .mini-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 工具入口区 ========== */
        .tool-section {
            background: var(--bg);
        }

        .tool-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .tool-item {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 16px;
            text-align: center;
            transition: all 0.25s ease;
        }

        .tool-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.35);
            background: var(--panel-hover);
        }

        .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--accent);
            font-size: 22px;
            transition: all 0.25s ease;
        }

        .tool-item:hover .tool-icon {
            background: var(--accent);
            color: #fff;
            transform: scale(1.05);
        }

        .tool-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .tool-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== 安全公告 ========== */
        .news-section {
            background: var(--bg-deep);
        }

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

        .news-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.35);
        }

        .news-card-bg {
            height: 180px;
            background-size: cover;
            background-position: center;
            background-color: var(--panel-hover);
        }

        .news-card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-label {
            font-size: 13px;
            color: var(--warn);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.25s ease;
        }

        .news-card .news-link:hover {
            gap: 10px;
            color: var(--accent-light);
        }

        /* ========== 自检流程 ========== */
        .check-section {
            background: var(--bg);
        }

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

        .step-item {
            position: relative;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: all 0.25s ease;
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.35);
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-deep);
        }

        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrapper .accordion-item {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-wrapper .accordion-item:first-of-type,
        .faq-wrapper .accordion-item:last-of-type {
            border-radius: var(--radius-md) !important;
        }

        .faq-wrapper .accordion-button {
            background: transparent;
            color: var(--text);
            font-size: 16px;
            font-weight: 500;
            padding: 18px 22px;
            min-height: 56px;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
            border: none;
        }

        .faq-wrapper .accordion-button::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
            flex-shrink: 0;
            transition: background 0.25s ease;
        }

        .faq-wrapper .accordion-button:not(.collapsed) {
            background: rgba(16, 185, 129, 0.04);
            color: var(--accent);
        }

        .faq-wrapper .accordion-button:not(.collapsed)::before {
            background: var(--accent);
        }

        .faq-wrapper .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
            outline: none;
        }

        .faq-wrapper .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 24px;
            font-weight: 300;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.25s ease;
            transform: rotate(0deg);
        }

        .faq-wrapper .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-wrapper .accordion-body {
            padding: 0 22px 22px 42px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: var(--bg);
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 9, 11, 0.95) 0%, rgba(8, 9, 11, 0.75) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            letter-spacing: 0.02em;
            max-width: 560px;
        }

        .cta-title span {
            color: var(--accent);
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            padding: 0 36px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.2);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(16, 185, 129, 0.35);
        }

        .btn-cta i {
            font-size: 18px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 64px 0 0;
        }

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

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

        .footer-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

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

        .footer-links-list li {
            margin-bottom: 10px;
        }

        .footer-links-list a {
            font-size: 15px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

        .footer-links-list a:hover {
            color: var(--accent);
        }

        .status-panel {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
        }

        .status-row {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
        }

        .status-row + .status-row {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
            flex-shrink: 0;
        }

        .status-name {
            color: var(--text-secondary);
            flex: 1;
        }

        .status-value {
            color: var(--accent);
            font-weight: 600;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
        }

        .lang-select {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .search-box {
                width: 150px;
            }
            .search-box:focus-within {
                width: 200px;
            }
            .nav-link {
                padding: 8px 10px;
            }
        }

        @media (max-width: 992px) {
            section {
                padding: 72px 0;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 11, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-link.active {
                background: rgba(16, 185, 129, 0.1);
                color: var(--accent);
            }

            .nav-toggle {
                display: flex;
            }

            .search-box {
                display: none;
            }

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

            .focus-card {
                grid-row: auto;
            }

            .tool-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

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

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

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }

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

            .numbered-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .numbered-item {
                padding: 28px 0;
            }

            .numbered-item .num {
                font-size: 36px;
            }

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

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

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

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

            .cat-hero {
                min-height: 360px;
                padding: 40px 0;
            }

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

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

            .hero-status-row {
                gap: 16px;
            }

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

            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .btn-cta {
                width: 100%;
                justify-content: center;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }

            .logo-text {
                font-size: 16px;
            }

            .header-inner {
                gap: 12px;
            }

            .btn-primary-sm {
                padding: 0 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 576px) {
            .header-actions .btn-primary-sm {
                width: 40px;
                padding: 0;
                font-size: 0;
                gap: 0;
            }

            .header-actions .btn-primary-sm::before {
                content: "+";
                font-size: 20px;
            }

            .tool-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .tool-item {
                padding: 20px 12px;
            }

            .tool-item p {
                display: none;
            }

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

            .focus-card-bg {
                height: 200px;
            }

            .mini-card {
                padding: 22px;
            }

            .numbered-item {
                flex-direction: row;
                gap: 16px;
            }

            .numbered-item .num {
                font-size: 32px;
            }

            .breadcrumb-line {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-main: #0E1013;
            --bg-deep: #08090B;
            --bg-panel: #15181C;
            --bg-raised: #1B1F24;
            --accent: #10B981;
            --accent-hover: #0E9E6E;
            --accent-light: #34D399;
            --accent-soft: rgba(16, 185, 129, 0.06);
            --warning: #F59E0B;
            --red: #EF4444;
            --text-main: #E6E8EB;
            --text-sub: #9BA1AA;
            --text-muted: #6E7480;
            --border: rgba(255, 255, 255, 0.08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, .25);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, .45);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-main);
        }
        a {
            text-decoration: none;
            color: var(--accent);
            transition: color .25s ease;
        }
        a:hover {
            color: var(--accent-light);
        }
        img {
            max-width: 100%;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .container-site {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(14, 16, 19, .85);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid var(--border);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.scrolled {
            background: rgba(8, 9, 11, .95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, .4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: flex;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            background: rgba(16, 185, 129, .15);
            border: 1px solid rgba(16, 185, 129, .3);
            border-radius: 10px;
            color: var(--accent);
            font-size: 17px;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .02em;
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav .nav-link {
            position: relative;
            padding: 6px 2px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: color .25s ease;
            white-space: nowrap;
        }
        .main-nav .nav-link:hover {
            color: var(--text-main);
        }
        .main-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }
        .main-nav .nav-link:hover::after,
        .main-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .main-nav .nav-link.active {
            color: #fff;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 14px;
            height: 38px;
            background: var(--bg-raised);
            border: 1px solid transparent;
            border-radius: 999px;
            color: var(--text-muted);
            width: 180px;
            transition: width .25s ease, border-color .25s ease, box-shadow .25s ease;
        }
        .search-box:focus-within {
            width: 240px;
            border-color: rgba(16, 185, 129, .6);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, .15);
        }
        .search-box input {
            width: 100%;
            border: none;
            background: transparent;
            color: var(--text-main);
            font-size: 14px;
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .btn-outline-sm,
        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 38px;
            padding: 0 16px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all .25s ease;
        }
        .btn-outline-sm {
            border: 1px solid rgba(255, 255, 255, .2);
            color: var(--text-sub);
        }
        .btn-outline-sm:hover {
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .4);
            color: #fff;
        }
        .btn-primary-sm {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }
        .btn-primary-sm:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, .3);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 26px;
            border-radius: 10px;
            transition: background .25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .06);
        }
        .search-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 20px;
            border-radius: 10px;
        }
        .search-slide {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(14, 16, 19, .97);
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            z-index: 999;
            backdrop-filter: blur(12px);
        }
        .search-slide.open {
            display: block;
        }
        .search-slide .slide-inner {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-raised);
            border-radius: 999px;
            padding: 0 16px;
            height: 42px;
            color: var(--text-muted);
        }
        .search-slide .slide-inner input {
            flex: 1;
            border: none;
            background: transparent;
            color: var(--text-main);
            font-size: 15px;
            outline: none;
        }

        /* ===== Cat Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-deep);
        }
        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-raised);
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 9, 11, .96) 0%, rgba(8, 9, 11, .82) 50%, rgba(8, 9, 11, .45) 100%);
        }
        .cat-hero-inner {
            position: relative;
            padding-top: 88px;
            padding-bottom: 80px;
        }
        .breadcrumb-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb-line a {
            color: var(--text-sub);
        }
        .breadcrumb-line a:hover {
            color: var(--accent);
        }
        .b-sep {
            color: var(--text-muted);
        }
        .cat-hero h1 {
            font-size: clamp(34px, 4vw, 44px);
            line-height: 1.2;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: .02em;
        }
        .cat-hero-desc {
            max-width: 650px;
            font-size: 16px;
            line-height: 1.8;
            color: #B8BEC8;
            margin: 0;
        }

        /* ===== Sections ===== */
        .section-pad {
            padding: 96px 0;
        }
        .section-alt {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, .04);
            border-bottom: 1px solid rgba(255, 255, 255, .04);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head.text-center {
            text-align: center;
        }
        .sec-eyebrow {
            display: inline-block;
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            text-transform: uppercase;
        }
        .sec-title {
            font-size: clamp(28px, 3.5vw, 34px);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin: 8px 0 12px;
        }
        .sec-desc {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 660px;
            line-height: 1.8;
            margin: 0;
        }
        .section-head.text-center .sec-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Numbered list ===== */
        .number-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0 48px;
        }
        .numbered-item {
            display: flex;
            gap: 20px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: background .25s ease;
        }
        .numbered-item:hover {
            background: rgba(255, 255, 255, .03);
        }
        .item-num {
            font-size: 40px;
            font-weight: 700;
            color: rgba(16, 185, 129, .45);
            -webkit-text-stroke: 1px rgba(16, 185, 129, .5);
            min-width: 60px;
            text-align: left;
            line-height: .9;
            letter-spacing: .02em;
        }
        .item-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .item-content p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Feature ===== */
        .feature-wrap {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            align-items: stretch;
        }
        .feature-main {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .feature-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            background-color: var(--bg-raised);
            display: block;
        }
        .feature-content {
            padding: 28px;
            flex: 1;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(245, 158, 11, .15);
            color: var(--warning);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .feature-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.45;
        }
        .feature-content p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
            margin: 0 0 18px;
        }
        .feature-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .side-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all .3s ease;
        }
        .side-card:hover {
            border-color: rgba(16, 185, 129, .4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .side-icon {
            display: flex;
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            background: rgba(16, 185, 129, .1);
            border: 1px solid rgba(16, 185, 129, .25);
            border-radius: 12px;
            color: var(--accent);
            font-size: 19px;
        }
        .side-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .side-body p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Tools ===== */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .tool-item {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 14px;
            text-align: center;
            transition: all .3s ease;
        }
        .tool-item:hover {
            border-color: rgba(16, 185, 129, .5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .tool-icon {
            display: flex;
            width: 56px;
            height: 56px;
            align-items: center;
            justify-content: center;
            background: rgba(16, 185, 129, .12);
            border: 1px solid rgba(16, 185, 129, .25);
            border-radius: 50%;
            color: var(--accent);
            font-size: 22px;
            transition: background .3s ease, transform .3s ease;
        }
        .tool-item:hover .tool-icon {
            background: rgba(16, 185, 129, .2);
            transform: scale(1.05);
        }
        .tool-name {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
        }
        .tool-arrow {
            color: var(--text-muted);
            font-size: 14px;
            transition: transform .3s ease, color .3s ease;
        }
        .tool-item:hover .tool-arrow {
            transform: translateX(4px);
            color: var(--accent);
        }

        /* ===== Steps ===== */
        .step-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            min-height: 220px;
            transition: all .3s ease;
        }
        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(16, 185, 129, .45);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(16, 185, 129, .12);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 20px;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-panel);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }
        .faq-accordion .accordion-button {
            padding: 20px 62px 20px 24px;
            background: var(--bg-panel);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            border: none;
            line-height: 1.5;
            position: relative;
            box-shadow: none !important;
            transition: background .25s ease;
        }
        .faq-accordion .accordion-button:hover {
            background: rgba(255, 255, 255, .03);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-panel);
            color: #fff;
            box-shadow: none !important;
        }
        .faq-accordion .accordion-button::after {
            display: none;
        }
        .faq-icon {
            position: absolute;
            right: 22px;
            display: flex;
            width: 28px;
            height: 28px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-sub);
            font-style: normal;
            transition: transform .3s ease, background .3s ease, color .3s ease, border-color .3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(45deg);
            background: rgba(16, 185, 129, .12);
            border-color: rgba(16, 185, 129, .4);
            color: var(--accent);
        }
        .faq-accordion .accordion-button .faq-icon i {
            font-size: 15px;
            line-height: 1;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-accordion .accordion-body p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cat-cta {
            padding: 72px 0;
            background: var(--bg-deep);
        }
        .cat-cta-box {
            background: var(--bg-panel);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-eyebrow {
            display: block;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: .06em;
            margin-bottom: 10px;
        }
        .cat-cta-box h2 {
            font-size: 28px;
            color: #fff;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cat-cta-box p {
            font-size: 15px;
            color: var(--text-sub);
            margin: 0;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent);
            white-space: nowrap;
            transition: all .25s ease;
        }
        .btn-primary-lg:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(16, 185, 129, .35);
        }
        .btn-primary-lg:active {
            transform: translateY(0);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 340px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: .04em;
        }
        .footer-links-list li {
            margin-bottom: 10px;
        }
        .footer-links-list li a {
            font-size: 14px;
            color: var(--text-sub);
            transition: color .25s ease;
        }
        .footer-links-list li a:hover {
            color: var(--accent);
        }
        .status-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
        }
        .status-row {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px var(--accent);
            flex-shrink: 0;
        }
        .status-name {
            flex: 1;
            font-size: 14px;
            color: var(--text-sub);
        }
        .status-value {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 500;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 14px;
            color: var(--text-muted);
        }
        .lang-select {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 12px;
            border: 1px solid var(--border);
            border-radius: 999px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(14, 16, 19, .97);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 20px 24px;
                display: none;
                border-bottom: 1px solid var(--border);
                backdrop-filter: blur(20px);
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav .nav-link {
                width: 100%;
                padding: 10px 0;
                font-size: 16px;
            }
            .main-nav .nav-link::after {
                bottom: 6px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .search-toggle {
                display: inline-flex;
            }
            .search-box {
                display: none;
            }
            .header-actions .btn-outline-sm {
                display: none;
            }
            .feature-wrap {
                grid-template-columns: 1fr;
            }
            .number-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .tool-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-pad {
                padding: 72px 0;
            }
        }
        @media (max-width: 767.98px) {
            .container-site {
                padding: 0 20px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-cta-box {
                padding: 32px 24px;
            }
            .cat-cta-box h2 {
                font-size: 22px;
            }
            .btn-primary-lg {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cat-hero {
                min-height: 400px;
            }
            .cat-hero-inner {
                padding-top: 72px;
                padding-bottom: 64px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .cat-hero-desc {
                font-size: 15px;
            }
            .number-grid {
                gap: 0;
            }
            .numbered-item {
                padding: 22px 0;
            }
            .item-num {
                font-size: 32px;
                min-width: 48px;
            }
            .faq-accordion .accordion-button {
                font-size: 15px;
                padding: 16px 56px 16px 20px;
            }
            .faq-icon {
                right: 16px;
                width: 26px;
                height: 26px;
            }
            .feature-img {
                height: 180px;
            }
            .header-inner {
                gap: 12px;
            }
            .header-actions {
                gap: 8px;
            }
            .btn-primary-sm {
                padding: 0 12px;
            }
            .logo-text {
                font-size: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .cat-cta {
                padding: 56px 0;
            }
            .tool-grid {
                gap: 12px;
            }
            .tool-item {
                padding: 22px 12px;
            }
            .tool-icon {
                width: 46px;
                height: 46px;
                font-size: 19px;
            }
            .tool-name {
                font-size: 14px;
            }
        }