/* roulang page: index */
:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-deep: #1E1B4B;
  --accent: #22D3EE;
  --bg-ink: #0B1120;
  --bg-deep: #111827;
  --text-bright: #F1F5F9;
  --text-soft: #94A3B8;
  --line-dark: rgba(255,255,255,0.08);
  --line-dark-2: rgba(255,255,255,0.12);
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.16);
  --transition: 0.25s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "DIN Alternate", "Roboto Mono", "SF Mono", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--bg-ink); color: var(--text-bright); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { font-size: 28px; font-weight: 700; line-height: 1.4; letter-spacing: 0.5px; }
.section-head p { margin-top: 12px; font-size: 15px; color: var(--text-soft); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 28px; border-radius: 10px; font-size: 15px; font-weight: 600; border: 2px solid transparent; cursor: pointer; transition: all var(--transition); white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%); color: #fff; box-shadow: 0 0 20px rgba(34,211,238,0.2); }
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 0 28px rgba(34,211,238,0.4); transform: translateY(-1px); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,0.65); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: #EEF2FF; color: var(--primary-dark); }
.btn-block { width: 100%; }
.btn-glow { box-shadow: 0 0 24px rgba(34,211,238,0.35); }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 10px; }

.tag { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 14px; border-radius: 999px; font-size: 12px; font-weight: 500; background: rgba(79,70,229,0.15); color: #A5B4FC; border: 1px solid rgba(79,70,229,0.3); }

.site-header { background: #F7F9FC; position: sticky; top: 0; z-index: 100; height: 72px; border-bottom: 1px solid #E5EAF2; box-shadow: 0 2px 8px rgba(15,23,42,0.04); }
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #7C3AED); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; box-shadow: 0 4px 10px rgba(79,70,229,0.3); }
.brand-text { font-size: 18px; font-weight: 700; color: #0F172A; letter-spacing: 0.5px; }
.main-nav { display: flex; align-items: center; gap: 32px; margin-left: 40px; }
.nav-link { position: relative; font-size: 15px; font-weight: 500; color: #334155; padding: 6px 0; transition: color var(--transition); }
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; border-radius: 2px; background: var(--primary); transform: scaleX(1); transition: transform var(--transition); }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; border-radius: 2px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.nav-link:hover::after { transform: scaleX(1); }
.header-tools { display: flex; align-items: center; gap: 14px; }
.search-box { position: relative; display: flex; align-items: center; }
.search-box input { width: 200px; height: 36px; border-radius: 20px; border: 1px solid transparent; background: #F1F5F9; padding: 0 16px 0 38px; font-size: 13px; color: #0F172A; transition: all var(--transition); }
.search-box input::placeholder { color: #94A3B8; }
.search-box input:focus { outline: none; background: #fff; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.15); width: 240px; }
.search-box i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: 13px; color: #94A3B8; pointer-events: none; }
.btn-small { height: 36px; padding: 0 20px; font-size: 14px; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid #E2E8F0; background: #fff; color: #0F172A; font-size: 16px; cursor: pointer; align-items: center; justify-content: center; }
.mobile-menu { display: none; position: fixed; top: 72px; left: 0; right: 0; background: #fff; z-index: 99; padding: 20px 24px 24px; border-bottom: 1px solid #E5EAF2; box-shadow: 0 12px 24px rgba(15,23,42,0.08); }
.mobile-menu.open { display: block; }
.mobile-nav-link { display: block; font-size: 16px; font-weight: 500; color: #0F172A; padding: 12px 0; border-bottom: 1px solid #F1F5F9; }
.mobile-nav-link.active { color: var(--primary); }
.mobile-nav-link:hover { color: var(--primary); }
.mobile-search { margin: 16px 0; }
.mobile-search input { width: 100%; height: 44px; border-radius: 10px; border: 1px solid #E2E8F0; background: #F8FAFC; padding: 0 16px; font-size: 14px; color: #0F172A; }
.mobile-search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.15); }

.countdown-bar { background: linear-gradient(90deg, #1E1B4B, #0B1120); border-bottom: 1px solid rgba(255,255,255,0.04); padding: 10px 0; }
.countdown-bar .wrap { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; }
.countdown-label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #E0E7FF; }
.countdown-label i { color: var(--accent); }
.countdown-timer { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); }
.countdown-box { min-width: 34px; text-align: center; background: rgba(255,255,255,0.08); border-radius: 6px; padding: 4px 6px; font-size: 16px; font-weight: 700; color: var(--accent); }
.countdown-sep { color: rgba(255,255,255,0.4); font-size: 14px; }

.hero { position: relative; min-height: 520px; display: flex; align-items: center; background: var(--bg-ink); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,17,32,0.94) 0%, rgba(11,17,32,0.72) 45%, rgba(11,17,32,0.35) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 680px; padding: 80px 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 16px; border-radius: 999px; background: rgba(34,211,238,0.12); border: 1px solid rgba(34,211,238,0.35); color: #A5F3FC; font-size: 13px; margin-bottom: 20px; }
.hero h1 { font-size: 36px; font-weight: 700; line-height: 1.3; letter-spacing: 0.5px; text-shadow: 0 2px 12px rgba(0,0,0,0.3); }
.hero-sub { margin-top: 18px; font-size: 16px; line-height: 1.8; color: #CBD5E1; max-width: 560px; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.hero-tags { display: flex; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.hero-tag { font-size: 13px; color: rgba(255,255,255,0.72); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; height: 28px; padding: 0 16px; display: inline-flex; align-items: center; }
.hero-tag i { color: var(--accent); margin-right: 6px; font-size: 11px; }
.hero-side { position: absolute; right: 24px; top: 50%; transform: translateY(-50%); z-index: 2; width: 340px; }
.schedule-card { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); backdrop-filter: blur(14px); border-radius: 20px; padding: 28px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.schedule-card .schedule-title { font-size: 16px; font-weight: 600; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.schedule-card .schedule-title i { color: var(--accent); }
.schedule-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.07); }
.schedule-item:last-child { border-bottom: none; }
.schedule-item .schedule-date { font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--accent); min-width: 42px; }
.schedule-item .schedule-name { flex: 1; font-size: 14px; color: #E2E8F0; }
.schedule-item .schedule-status { font-size: 12px; color: #94A3B8; }
.schedule-item .schedule-status.hot { color: #FBBF24; }

.feature-section { position: relative; background: linear-gradient(180deg, #0B1120 0%, #111827 100%); }
.feature-card { position: relative; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 16px; padding: 28px; height: 100%; backdrop-filter: blur(12px); box-shadow: 0 8px 32px rgba(0,0,0,0.2); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.16); border-color: rgba(79,70,229,0.5); }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--accent); background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.2); margin-bottom: 18px; }
.feature-card h3 { font-size: 18px; font-weight: 600; color: var(--text-bright); margin-bottom: 10px; }
.feature-card p { font-size: 14px; line-height: 1.7; color: var(--text-soft); }
.feature-card .card-more { display: inline-block; margin-top: 16px; font-size: 13px; font-weight: 500; color: #A5B4FC; cursor: default; transition: color var(--transition); }
.feature-card .card-more:hover { color: var(--accent); }

.gallery-section { background: #0B1120; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery-item { position: relative; border-radius: 16px; overflow: hidden; cursor: pointer; box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.gallery-item:first-child { grid-column: span 2; }
.gallery-item:last-child { grid-column: span 3; }
.gallery-item img { width: 100%; height: 100%; min-height: 180px; object-fit: cover; transition: transform 0.3s ease, opacity 0.3s ease; }
.gallery-item:hover img { transform: scale(1.03); opacity: 0.92; }
.gallery-item .gallery-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 32px 18px 14px; font-size: 13px; color: #F8FAFC; background: linear-gradient(transparent, rgba(0,0,0,0.6)); }
.gallery-item:first-child { min-height: 200px; }
.gallery-item:last-child { min-height: 160px; }

.cta-section { background: linear-gradient(135deg, #1E1B4B 0%, #312E81 50%, #4F46E5 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -120px; right: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,0.3), transparent 70%); }
.cta-section .wrap { position: relative; z-index: 2; text-align: center; padding: 80px 24px; }
.cta-section h2 { font-size: 30px; font-weight: 700; letter-spacing: 1px; }
.cta-section p { margin-top: 14px; font-size: 15px; color: rgba(255,255,255,0.8); }
.cta-section .btn { margin-top: 32px; height: 52px; padding: 0 40px; font-size: 16px; }

.faq-section { background: #111827; }
.faq-panel { max-width: 820px; margin: 0 auto; border-radius: 20px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); overflow: hidden; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.07); }
.faq-item:last-child { border-bottom: none; }
.faq-item.active { background: rgba(255,255,255,0.04); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; padding: 20px 24px; background: none; border: none; cursor: pointer; font-family: inherit; font-size: 16px; font-weight: 600; color: var(--text-bright); text-align: left; transition: color var(--transition); }
.faq-question:hover { color: var(--accent); }
.faq-question .faq-toggle { width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--accent); flex-shrink: 0; transition: transform 0.3s ease; }
.faq-item.active .faq-toggle { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { padding: 0 24px 20px; font-size: 14px; line-height: 1.8; color: var(--text-soft); }

.news-section { background: #F8FAFC; }
.news-section .section-head h2 { color: #0F172A; }
.news-section .section-head p { color: #64748B; }
.news-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.news-card { display: flex; align-items: center; gap: 20px; background: #fff; border: 1px solid #E2E8F0; border-radius: 16px; padding: 18px; box-shadow: 0 4px 16px rgba(0,0,0,0.06); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.news-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.1); border-color: var(--primary); }
.news-thumb { width: 96px; height: 96px; border-radius: 12px; overflow: hidden; flex-shrink: 0; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-info { flex: 1; min-width: 0; }
.news-info h3 { font-size: 18px; font-weight: 600; color: #0F172A; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color var(--transition); }
.news-card:hover .news-info h3 { color: var(--primary); }
.news-info > p { font-size: 14px; line-height: 1.6; color: #64748B; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.news-meta { display: flex; align-items: center; gap: 12px; }
.news-meta .tag { font-size: 12px; height: 24px; padding: 0 10px; }
.news-meta .date { font-size: 13px; color: #94A3B8; }
.read-more { margin-left: auto; font-size: 13px; color: var(--primary); font-weight: 500; transition: color var(--transition); }
.news-card:hover .read-more { color: var(--primary-dark); }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; text-align: center; }
.empty-state .empty-icon { width: 64px; height: 64px; border-radius: 50%; background: #EFF6FF; color: #93C5FD; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; }
.empty-state p { font-size: 15px; color: #64748B; }

.site-footer { background: #070B14; padding: 64px 0 0; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-about p { font-size: 14px; line-height: 1.8; color: #64748B; margin-top: 14px; }
.footer-title { font-size: 15px; font-weight: 600; color: #E2E8F0; margin-bottom: 18px; }
.footer-links a { display: block; font-size: 14px; color: #94A3B8; padding: 5px 0; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-contact p { font-size: 14px; color: #94A3B8; line-height: 2; }
.footer-social { display: flex; flex-direction: column; gap: 12px; }
.footer-social span { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #94A3B8; transition: color var(--transition); }
.footer-social span:hover { color: #fff; }
.footer-social i { width: 30px; height: 30px; border-radius: 8px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; text-align: center; font-size: 12px; color: #64748B; }
.footer-bottom a { color: #94A3B8; transition: color var(--transition); }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 920px) {
  .hero-side { display: none; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item:first-child { grid-column: span 2; }
  .gallery-item:last-child { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .site-header { height: 64px; }
  .site-header .header-inner { height: 64px; }
  .main-nav, .header-tools .search-box, .header-tools .btn-small { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 22px; }
  .hero { min-height: 420px; }
  .hero h1 { font-size: 26px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { margin-top: 24px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-tags { margin-top: 28px; gap: 8px; }
  .hero-tag { font-size: 12px; height: 24px; padding: 0 12px; }
  .countdown-bar .wrap { gap: 10px; }
  .countdown-label { font-size: 12px; }
  .countdown-box { min-width: 28px; font-size: 14px; padding: 2px 4px; }
  .news-card { flex-direction: row; padding: 12px; gap: 14px; }
  .news-thumb { width: 72px; height: 72px; }
  .news-info h3 { font-size: 16px; }
  .news-info > p { font-size: 13px; display: none; }
  .news-meta .date { font-size: 12px; }
  .cta-section h2 { font-size: 24px; }
  .cta-section .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 520px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child, .gallery-item:last-child { grid-column: span 1; }
  .brand-text { font-size: 15px; }
  .brand-icon { width: 30px; height: 30px; font-size: 14px; }
}

/* roulang page: article */
:root {
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-deep: #1E1B4B;
  --accent: #22D3EE;
  --bg-deep: #0B1120;
  --bg-article: #F8FAFC;
  --ink-main: #0F172A;
  --ink-sub: #64748B;
  --ink-muted: #94A3B8;
  --ink-link: #334155;
  --line: #E5EAF2;
  --white: #FFFFFF;
  --r-xs: 6px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 20px;
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.10);
  --font-main: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-mono: "DIN Alternate","Roboto Mono","SF Mono",Consolas,monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-main);
  background: var(--bg-article);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--primary-hover); }

.row { max-width: 1200px; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all .25s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, #4F46E5, #7C3AED);
  color: #fff;
  box-shadow: 0 0 20px rgba(34,211,238,0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #4338CA, #6D28D9);
  box-shadow: 0 0 28px rgba(34,211,238,0.42);
  transform: translateY(-1px);
  color: #fff;
}
.btn-primary:active { transform: translateY(1px); }

.btn-ghost-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}

.btn-lg { height: 52px; padding: 0 40px; font-size: 15px; }
.btn-sm { height: 36px; padding: 0 20px; font-size: 14px; border-radius: 8px; }
.btn-block { width: 100%; }

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(15,23,42,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #4F46E5, #7C3AED);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(79,70,229,0.30);
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-main);
  letter-spacing: .5px;
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.nav-link {
  display: inline-block;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-link);
  border-radius: var(--r-xs);
  position: relative;
  text-decoration: none;
  transition: color .25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width .25s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { width: 60%; }

.header-tools {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-box {
  position: relative;
  width: 200px;
  transition: width .3s ease;
}
.search-box i {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 14px;
  pointer-events: none;
}
.search-box input {
  width: 100%;
  height: 36px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: #F1F5F9;
  padding: 0 36px 0 16px;
  font-size: 14px;
  font-family: var(--font-main);
  color: var(--ink-main);
  transition: all .3s ease;
}
.search-box input::placeholder { color: var(--ink-muted); }
.search-box input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
  outline: none;
}
.search-box:focus-within { width: 240px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--ink-main);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--r-xs);
  line-height: 1;
}
.nav-toggle:hover { color: var(--primary); }
.nav-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.mobile-menu {
  display: none;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  padding: 20px 24px;
}
.mobile-menu.open { display: block; }
.mobile-nav-links {
  display: flex;
  flex-direction: column;
}
.mobile-link {
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-main);
  border-bottom: 1px solid #F1F5F9;
  text-decoration: none;
  transition: color .25s;
}
.mobile-link:hover { color: var(--primary); }
.mobile-link.active { color: var(--primary); font-weight: 600; }
.mobile-tools {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}
.mobile-tools .search-box { width: 100%; margin-bottom: 4px; }

.breadcrumb {
  background: #F8FAFC;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  font-size: 13px;
  color: var(--ink-muted);
}
.breadcrumb-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.breadcrumb a {
  color: var(--ink-sub);
  text-decoration: none;
  transition: color .25s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 6px; color: var(--ink-muted); font-size: 12px; }
.breadcrumb .current {
  display: inline-block;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink-main);
  font-weight: 500;
  vertical-align: bottom;
}

.article-main {
  background: var(--bg-article);
  padding: 48px 0 40px;
}

.article-card {
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 56px;
  border: 1px solid #EEF2F7;
}

.article-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-main);
  margin: 0 0 20px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--ink-sub);
}
.meta-cat {
  background: rgba(79,70,229,0.08);
  color: var(--primary);
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
}
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { font-size: 14px; color: var(--ink-muted); }

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: #1E293B;
  overflow-wrap: break-word;
}
.article-body p { margin: 0 0 22px; }
.article-body h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-main);
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  margin: 38px 0 16px;
  line-height: 1.5;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-main);
  margin: 28px 0 12px;
  line-height: 1.5;
}
.article-body h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-main);
  margin: 24px 0 10px;
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--primary-hover); }
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
}
.article-body blockquote {
  background: #F8FAFC;
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  margin: 26px 0;
  color: var(--ink-sub);
  font-size: 15px;
  line-height: 1.8;
}
.article-body ul,
.article-body ol {
  margin: 0 0 22px;
  padding-left: 26px;
}
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--primary); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 14px;
  line-height: 1.6;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
}
.article-body table th {
  background: #F8FAFC;
  font-weight: 600;
  color: var(--ink-main);
}
.article-body table tr:nth-child(even) td { background: #FAFBFD; }
.article-body figure { margin: 26px 0; }
.article-body figcaption {
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 10px;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 36px 0;
}
.article-body code {
  background: #F1F5F9;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  font-family: var(--font-mono);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.article-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-sub);
  text-decoration: none;
  transition: color .25s;
  padding: 6px 0;
}
.article-nav a:hover { color: var(--primary); }
.article-nav .nav-next { margin-left: auto; }

.article-empty {
  text-align: center;
  padding: 80px 20px;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 28px;
  color: var(--ink-muted);
}
.article-empty h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-main);
  margin-bottom: 12px;
}
.article-empty p {
  font-size: 15px;
  color: var(--ink-sub);
  margin-bottom: 28px;
}
.article-empty .btn { display: inline-flex; }

.related-section {
  padding: 64px 0 56px;
  background: var(--bg-article);
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink-main);
  margin-bottom: 36px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title::before {
  content: "";
  width: 6px;
  height: 24px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  flex-shrink: 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--white);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid #EEF2F7;
  transition: all .25s ease;
  text-decoration: none;
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(79,70,229,0.35);
}
.related-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: opacity .3s ease;
}
.related-card:hover img { opacity: 0.88; }
.related-card-body { padding: 20px 20px 22px; }
.related-card-body h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-main);
  line-height: 1.55;
  margin-bottom: 8px;
  transition: color .25s;
}
.related-card:hover .related-card-body h3 { color: var(--primary); }
.related-card-body p {
  font-size: 13px;
  color: var(--ink-sub);
  line-height: 1.65;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.back-link {
  text-align: center;
  margin-top: 40px;
}
.back-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: var(--r-sm);
  transition: all .25s;
}
.back-link a:hover { background: rgba(79,70,229,0.08); color: var(--primary-hover); }

.article-cta {
  background: linear-gradient(135deg, #1E1B4B 0%, #4F46E5 100%);
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(34,211,238,0.14) 0%, transparent 70%);
  pointer-events: none;
}
.article-cta h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.4;
  position: relative;
}
.article-cta p {
  color: rgba(255,255,255,0.82);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
  position: relative;
}
.article-cta .btn-wrap {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}
.article-cta .btn-primary {
  box-shadow: 0 0 24px rgba(34,211,238,0.45);
}

.site-footer {
  background: #070B14;
  color: var(--ink-muted);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-about .brand {
  margin-bottom: 16px;
}
.footer-about p {
  font-size: 14px;
  line-height: 1.75;
  color: #94A3B8;
  max-width: 320px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #F1F5F9;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  color: var(--ink-muted);
  text-decoration: none;
  transition: all .25s;
}
.footer-links a:hover { color: #fff; }
.footer-contact p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}
.footer-social {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-social span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-muted);
}
.footer-social i { font-size: 16px; color: var(--ink-muted); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  font-size: 13px;
  color: #64748B;
  text-align: center;
  line-height: 1.8;
}
.footer-bottom .sep { margin: 0 8px; }

@media (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-card { padding: 40px 36px; }
}

@media (max-width: 768px) {
  .header-inner { gap: 16px; }
  .main-nav { display: none; }
  .header-tools { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .article-main { padding: 28px 0 32px; }
  .article-card { padding: 32px 22px; border-radius: var(--r-md); }
  .article-title { font-size: 26px; }
  .article-meta { gap: 12px; padding: 14px 0; }
  .breadcrumb .current { max-width: 180px; }
  .article-cta { padding: 48px 20px; }
  .article-cta h2 { font-size: 23px; }
  .article-nav { flex-direction: column; align-items: flex-start; gap: 8px; }
  .article-nav .nav-next { margin-left: 0; }
  .section-title { font-size: 23px; margin-bottom: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .site-footer { padding-top: 44px; }
}

@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; gap: 18px; }
  .article-card { padding: 24px 18px; }
  .article-title { font-size: 22px; line-height: 1.45; }
  .article-body { font-size: 15px; line-height: 1.85; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17px; }
  .btn-lg { width: 100%; max-width: 400px; }
  .header-inner { height: 64px; }
  .mobile-menu { padding: 16px 18px; }
  .breadcrumb { padding: 12px 0; font-size: 12px; }
  .article-cta h2 { font-size: 21px; }
  .article-cta p { font-size: 14px; }
}

/* roulang page: category1 */
:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-deep: #1E1B4B;
  --accent: #22D3EE;
  --accent-glow: rgba(34, 211, 238, 0.35);
  --bg-dark: #0B1120;
  --bg-dark-2: #111827;
  --bg-soft: #F8FAFC;
  --text-main-dark: #F1F5F9;
  --text-muted-dark: #94A3B8;
  --text-main-light: #0F172A;
  --text-muted-light: #64748B;
  --border-light: #E5EAF2;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.2);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", "SF Mono", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main-dark);
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-dark-2) 100%);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; border: none; cursor: pointer; transition: all .25s ease; }
.btn-primary { background: linear-gradient(135deg, var(--primary), #7C3AED); color: #fff; box-shadow: 0 0 20px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 0 28px rgba(34, 211, 238, 0.5); }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-primary:active { transform: translateY(0); }
.btn-sm { height: 40px; padding: 0 20px; border-radius: 10px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 40px; border-radius: 10px; font-size: 16px; }
.btn-ghost-light { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.8); box-shadow: none; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: #fff; }
.btn-ghost-light:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.badge { display: inline-flex; align-items: center; height: 28px; padding: 0 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.16); color: var(--text-main-dark); font-size: 13px; font-weight: 500; }

.site-header { background: #fff; border-bottom: 1px solid var(--border-light); box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; height: 72px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #7C3AED); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 16px; box-shadow: 0 0 12px rgba(79, 70, 229, 0.35); }
.brand-text { font-size: 18px; font-weight: 700; color: var(--text-main-light); white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-link { position: relative; display: inline-flex; align-items: center; height: 72px; padding: 0 18px; font-size: 15px; font-weight: 500; color: #334155; transition: color .25s ease; }
.nav-link::after { content: ''; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px; background: var(--primary); border-radius: 2px 2px 0 0; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); }
.header-tools { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.search-box { display: flex; align-items: center; gap: 8px; width: 200px; height: 36px; padding: 0 14px; background: #F1F5F9; border: 2px solid transparent; border-radius: 20px; color: #64748B; transition: all .25s ease; }
.search-box i { font-size: 14px; }
.search-box input { border: none; outline: none; background: transparent; font-size: 13px; color: var(--text-main-light); width: 100%; }
.search-box:focus-within { width: 240px; background: #fff; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--border-light); border-radius: 10px; background: #fff; color: var(--text-main-light); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; }

.cat-hero { position: relative; padding: 90px 0 78px; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; background-repeat: no-repeat; }
.cat-hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11, 17, 32, 0.94) 0%, rgba(11, 17, 32, 0.72) 45%, rgba(11, 17, 32, 0.35) 100%); }
.cat-hero-content { position: relative; z-index: 2; max-width: 780px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(148, 163, 184, 0.85); margin-bottom: 18px; }
.breadcrumb a { color: rgba(148, 163, 184, 0.85); transition: color .25s ease; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: rgba(148, 163, 184, 0.4); }
.breadcrumb .current { color: rgba(241, 245, 249, 0.9); }
.cat-hero-kicker { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px; border-radius: 999px; background: rgba(34, 211, 238, 0.15); border: 1px solid rgba(34, 211, 238, 0.35); color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .5px; margin-bottom: 20px; }
.cat-hero h1 { font-size: 36px; line-height: 1.3; font-weight: 700; color: #fff; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3); margin-bottom: 18px; }
.cat-hero .lead { font-size: 16px; line-height: 1.8; color: rgba(241, 245, 249, 0.85); max-width: 640px; margin-bottom: 26px; }
.cat-hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.cat-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-tag { display: inline-flex; align-items: center; height: 28px; padding: 0 12px; border-radius: 999px; background: rgba(79, 70, 229, 0.12); border: 1px solid rgba(79, 70, 229, 0.2); color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.section-title { font-size: 28px; line-height: 1.4; font-weight: 700; color: #fff; }
.section-sub { font-size: 15px; color: var(--text-muted-dark); margin-top: 12px; }

.guide-cards { margin-top: 12px; }
.guide-cards .column { padding-bottom: 24px; }
.guide-card { position: relative; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); overflow: hidden; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; height: 100%; display: flex; flex-direction: column; }
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(34, 211, 238, 0.35); }
.guide-card .card-img { position: relative; overflow: hidden; aspect-ratio: 16 / 9; }
.guide-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease, opacity .3s ease; }
.guide-card:hover .card-img img { transform: scale(1.03); opacity: .92; }
.guide-card .card-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.guide-card .card-title { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.guide-card .card-desc { font-size: 14px; line-height: 1.7; color: var(--text-muted-dark); margin-bottom: 16px; }
.guide-card .card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.card-tag { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12); color: rgba(241, 245, 249, 0.8); font-size: 12px; }

.scene-section { background: linear-gradient(180deg, rgba(11, 17, 32, 0.6) 0%, rgba(17, 24, 39, 0.8) 100%); }
.scene-img { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); height: 100%; min-height: 320px; }
.scene-img img { width: 100%; height: 100%; object-fit: cover; }
.scene-list { list-style: none; display: flex; flex-direction: column; gap: 20px; margin-top: 8px; }
.scene-list li { display: flex; gap: 16px; align-items: flex-start; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius-lg); padding: 20px 22px; }
.scene-list .icon-circle { width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px; background: linear-gradient(135deg, rgba(79, 70, 229, 0.4), rgba(34, 211, 238, 0.3)); display: inline-flex; align-items: center; justify-content: center; color: var(--accent); font-size: 18px; }
.scene-list h3 { font-size: 17px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.scene-list p { font-size: 14px; color: var(--text-muted-dark); line-height: 1.7; }

.steps .column { padding-bottom: 24px; }
.step-item { position: relative; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 28px 24px; text-align: center; transition: transform .25s ease, box-shadow .25s ease; height: 100%; }
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num { font-family: var(--font-num); font-size: 34px; font-weight: 700; color: rgba(34, 211, 238, 0.35); line-height: 1; margin-bottom: 12px; }
.step-icon { width: 48px; height: 48px; margin: 0 auto 14px; border-radius: 14px; background: rgba(34, 211, 238, 0.1); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 20px; }
.step-item h3 { font-size: 17px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.step-item p { font-size: 14px; color: var(--text-muted-dark); line-height: 1.7; }

.stats-section { padding: 72px 0; background: linear-gradient(135deg, rgba(79, 70, 229, 0.18) 0%, rgba(17, 24, 39, 0.95) 55%, rgba(11, 17, 32, 0.95) 100%); }
.stats .column { padding-bottom: 24px; }
.stat-item { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg); padding: 32px 20px; text-align: center; height: 100%; }
.stat-num { font-family: var(--font-num); font-size: 34px; font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.stat-label { font-size: 14px; color: rgba(241, 245, 249, 0.72); }

.faq-wrap { max-width: 860px; margin: 0 auto; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius-xl); padding: 8px 28px; }
.faq-item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-q { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 16px; font-weight: 600; color: #fff; cursor: pointer; }
.faq-q .faq-icon { flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px; background: rgba(34, 211, 238, 0.12); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 13px; transition: transform .3s ease; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding-top: 12px; font-size: 14px; color: var(--text-muted-dark); line-height: 1.8; }
.faq-item.open .faq-a { display: block; }

.cta-strip { padding: 44px 0; background: rgba(255, 255, 255, 0.04); border-top: 1px solid rgba(255, 255, 255, 0.08); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.cta-strip .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-strip h2 { font-size: 20px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.cta-strip p { font-size: 14px; color: var(--text-muted-dark); }
.cta-strip .btn { flex-shrink: 0; }

.site-footer { background: #070B14; color: var(--text-muted-dark); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-about p { font-size: 14px; line-height: 1.8; color: #94A3B8; margin-top: 16px; }
.footer-title { font-size: 16px; font-weight: 600; color: #F1F5F9; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: #94A3B8; transition: color .25s ease; }
.footer-links a:hover { color: #fff; }
.footer-contact p, .footer-social span { font-size: 14px; color: #94A3B8; margin-bottom: 10px; display: block; }
.footer-social span i { margin-right: 6px; color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; font-size: 12px; color: #64748B; }
.footer-bottom .wrap { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px; }

@media (max-width: 1023px) {
  .scene-img { min-height: 280px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .cat-hero { padding: 60px 0 52px; }
  .cat-hero h1 { font-size: 26px; }
  .main-nav { display: none; }
  .header-tools { margin-left: 0; }
  .search-box { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .site-header.open .header-inner { flex-wrap: wrap; height: auto; padding: 0 16px 16px; }
  .site-header.open .main-nav { display: flex; flex-direction: column; width: 100%; order: 3; padding: 12px 0 8px; gap: 0; }
  .site-header.open .main-nav .nav-link { height: 48px; justify-content: flex-start; padding: 0 8px; border-radius: 8px; }
  .site-header.open .main-nav .nav-link::after { display: none; }
  .site-header.open .main-nav .nav-link.active { background: rgba(79, 70, 229, 0.08); color: var(--primary); }
  .site-header.open .header-tools { display: flex; flex-direction: row; width: 100%; order: 4; margin-top: 10px; }
  .site-header.open .search-box { display: flex; flex: 1; width: auto; }
  .site-header.open .header-tools .btn { height: 36px; }
  .cta-strip .wrap { flex-direction: column; text-align: center; }
  .cta-strip .btn { width: 100%; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .brand-text { font-size: 16px; }
  .btn-lg { width: 100%; }
  .cat-hero-actions .btn { flex: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-title { font-size: 22px; }
  .faq-wrap { padding: 8px 20px; }
}