/* roulang page: index */
:root {
  --primary: #E8400C;
  --primary-hover: #FF5722;
  --secondary: #FF9F1A;
  --base: #0B0C10;
  --surface: #14161D;
  --surface-hover: #1B1E27;
  --border: rgba(255,255,255,0.08);
  --text-main: #F5F1E8;
  --text-sub: #A89F96;
  --gradient: linear-gradient(135deg, #E8400C 0%, #FF9F1A 100%);
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4), 0 1px 3px rgba(0,0,0,0.5);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  background: var(--base);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input { font-family: inherit; outline: none; }
.container-custom { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.tabular { font-variant-numeric: tabular-nums; }

/* 双层导航 */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,12,16,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.top-nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; max-width: 1280px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #0B0C10; font-size: 20px; font-weight: 900;
  box-shadow: 0 4px 18px rgba(232,64,12,0.35);
}
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: 0.02em; color: var(--text-main); white-space: nowrap; }
.logo-text span { color: var(--secondary); }
.search-box { position: relative; flex: 0 1 260px; transition: flex 0.3s ease; }
.search-box input {
  width: 100%; height: 40px; border-radius: 999px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  padding: 0 38px 0 16px; color: var(--text-main); font-size: 14px;
  transition: all 0.3s ease;
}
.search-box input::placeholder { color: var(--text-sub); }
.search-box input:focus {
  width: 340px; background: rgba(255,255,255,0.1);
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,64,12,0.2);
}
.search-box i { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--text-sub); font-size: 14px; pointer-events: none; }
.btn-header {
  height: 40px; padding: 0 22px; border-radius: 999px;
  background: var(--gradient); color: #0B0C10;
  font-weight: 700; font-size: 14px; border: none;
  transition: all 0.25s ease; white-space: nowrap;
}
.btn-header:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(232,64,12,0.4); }
.channel-nav { border-top: 1px solid rgba(255,255,255,0.04); max-width: 1280px; margin: 0 auto; }
.channel-nav-inner { display: flex; gap: 8px; overflow-x: auto; padding: 10px 24px; max-width: 1280px; margin: 0 auto; scrollbar-width: none; }
.channel-nav-inner::-webkit-scrollbar { display: none; }
.channel-nav a {
  padding: 8px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.05); color: var(--text-sub);
  font-size: 14px; font-weight: 500; white-space: nowrap;
  transition: all 0.2s ease; border: 1px solid transparent;
}
.channel-nav a:hover { background: rgba(255,255,255,0.1); color: var(--text-main); }
.channel-nav a.active { background: var(--primary); color: #fff; font-weight: 700; box-shadow: 0 4px 16px rgba(232,64,12,0.3); }

/* 按钮 */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gradient); color: #0B0C10;
  font-weight: 800; font-size: 16px; padding: 14px 34px;
  border-radius: 999px; border: none;
  transition: all 0.25s ease; box-shadow: 0 6px 24px rgba(232,64,12,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(232,64,12,0.45); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--text-main);
  font-weight: 700; font-size: 16px; padding: 13px 30px;
  border-radius: 999px; border: 1px solid rgba(255,255,255,0.3);
  transition: all 0.25s ease;
}
.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }

/* Hero */
.hero { position: relative; width: 100%; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(75deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.45) 45%, transparent 100%); }
.hero-content { position: relative; z-index: 2; padding: 60px 24px; max-width: 1280px; margin: 0 auto; width: 100%; }
.hero-title { font-size: clamp(2.25rem, 4.5vw, 3.5rem); font-weight: 900; line-height: 1.15; letter-spacing: 0.01em; }
.hero-title .grad-line { background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; position: relative; }
.hero-title .grad-line::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 6px;
  background: var(--gradient); border-radius: 4px; opacity: 0.7;
}
.hero-sub { margin-top: 20px; font-size: 18px; color: rgba(245,241,232,0.8); max-width: 560px; line-height: 1.7; }
.hero-cta { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats { margin-top: 48px; display: flex; flex-wrap: wrap; gap: 0; }
.stat-badge {
  position: relative; padding: 14px 28px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-right: none; border-radius: 0;
  min-width: 140px;
}
.stat-badge:first-child { border-radius: 16px 0 0 16px; }
.stat-badge:last-child { border-right: 1px solid var(--border); border-radius: 0 16px 16px 0; }
.stat-badge::after {
  content: ''; position: absolute; left: 28px; right: 28px; bottom: 0; height: 2px;
  background: var(--gradient); border-radius: 2px; opacity: 0.7;
}
.stat-num { display: block; font-size: 24px; font-weight: 800; color: var(--text-main); font-variant-numeric: tabular-nums; }
.stat-label { display: block; font-size: 12px; color: var(--text-sub); margin-top: 2px; letter-spacing: 0.05em; }

/* 板块 */
.section-padding { padding: 96px 0; }
.section-title { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 800; margin-bottom: 36px; position: relative; }
.section-title::before {
  content: ''; display: inline-block; width: 6px; height: 24px;
  background: var(--gradient); border-radius: 4px; margin-right: 14px;
  vertical-align: -2px;
}
.section-more { font-size: 14px; color: var(--text-sub); transition: color 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.section-more:hover { color: var(--secondary); }

/* 横滑片库 */
.slide-track { display: flex; gap: 24px; overflow-x: auto; padding: 8px 4px 24px; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: rgba(232,64,12,0.4) transparent; }
.slide-card {
  flex: 0 0 280px; scroll-snap-align: start;
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: all 0.3s ease; position: relative;
}
.slide-card:hover { border-color: rgba(232,64,12,0.4); transform: translateY(-4px); box-shadow: var(--shadow); }
.slide-cover { position: relative; width: 280px; height: 160px; overflow: hidden; }
.slide-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.slide-card:hover .slide-cover img { transform: scale(1.05); }
.slide-play {
  position: absolute; top: 10px; left: 10px; width: 36px; height: 36px;
  background: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--base); font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.2s ease; opacity: 0.9;
}
.slide-card:hover .slide-play { transform: scale(1.08); }
.slide-tag {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(0,0,0,0.6); color: #fff;
  font-size: 11px; padding: 3px 10px; border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.slide-card-title { padding: 12px 14px 14px; font-size: 14px; font-weight: 600; color: var(--text-main); line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 热播推荐 */
.hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.hot-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; border: 1px solid var(--border);
  transition: all 0.35s ease; background: var(--surface);
}
.hot-card:hover { transform: translateY(-4px); border-color: rgba(232,64,12,0.4); box-shadow: var(--shadow); }
.hot-card span.col-span-2 { grid-column: span 2; }
.hot-card .hot-cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hot-card:hover .hot-cover { transform: scale(1.05); }
.hot-card .hot-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.05) 30%, rgba(0,0,0,0.9) 100%); }
.hot-badge {
  position: absolute; top: 14px; left: 14px;
  background: var(--secondary); color: #0B0C10;
  font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px;
  font-variant-numeric: tabular-nums; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}
.hot-card:hover .hot-badge { background: var(--secondary); filter: brightness(1.15); }
.hot-card-bottom { position: absolute; left: 14px; right: 14px; bottom: 14px; }
.hot-cat-pill { display: inline-block; font-size: 11px; color: var(--secondary); background: rgba(0,0,0,0.5); padding: 2px 10px; border-radius: 999px; margin-bottom: 6px; }
.hot-card-title { font-size: 18px; font-weight: 800; color: #fff; line-height: 1.3; text-shadow: 0 2px 8px rgba(0,0,0,0.5); }

/* 片单分区 */
.tab-group { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.tab-btn {
  padding: 8px 20px; border-radius: 999px;
  background: rgba(255,255,255,0.05); color: var(--text-sub);
  font-size: 14px; font-weight: 600; border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.tab-btn:hover { color: var(--text-main); border-color: rgba(255,255,255,0.2); }
.tab-btn.active { background: var(--primary); color: #fff; border-color: transparent; box-shadow: 0 4px 16px rgba(232,64,12,0.3); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.list-card {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 16px; border-radius: 12px;
  background: transparent; border: 1px solid transparent;
  transition: all 0.2s ease; margin-bottom: 8px;
}
.list-card:hover { background: var(--surface); border-color: var(--border); }
.list-card .list-num { font-size: 22px; font-weight: 800; color: rgba(255,255,255,0.3); min-width: 40px; font-variant-numeric: tabular-nums; transition: color 0.2s; }
.list-card:hover .list-num { color: var(--primary); }
.list-thumb { width: 120px; height: 72px; border-radius: 10px; object-fit: cover; flex-shrink: 0; }
.list-info { flex: 1; min-width: 0; }
.list-info h4 { font-size: 16px; font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-info p { font-size: 13px; color: var(--text-sub); margin-top: 4px; font-variant-numeric: tabular-nums; }

/* 资讯CMS区 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--surface); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: all 0.3s ease; position: relative;
}
.news-card:hover { transform: translateY(-4px); border-color: rgba(232,64,12,0.4); box-shadow: var(--shadow); }
.news-cover { position: relative; height: 160px; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-cover img { transform: scale(1.04); }
.news-cat {
  position: absolute; top: 12px; left: 12px;
  background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 700; padding: 3px 12px; border-radius: 999px;
}
.news-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-body h3 { font-size: 16px; font-weight: 700; line-height: 1.4; color: var(--text-main); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color 0.2s; }
.news-card:hover .news-body h3 { color: var(--secondary); }
.news-body p { font-size: 13px; color: var(--text-sub); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-sub); margin-top: auto; padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.05); }
.empty-state { text-align: center; padding: 48px 24px; background: var(--surface); border-radius: var(--radius-lg); border: 1px dashed var(--border); }
.empty-state .empty-icon { font-size: 52px; margin-bottom: 16px; opacity: 0.6; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item {
  background: var(--surface); border-radius: 14px;
  border: 1px solid var(--border); padding: 0; overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item.active { border-color: rgba(232,64,12,0.4); }
.faq-toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 18px 20px; background: transparent;
  border: none; color: var(--text-main); font-size: 15px; font-weight: 600;
  text-align: left; transition: background 0.2s;
}
.faq-toggle:hover { background: rgba(255,255,255,0.03); }
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.06); color: var(--text-sub);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; transition: transform 0.3s ease, background 0.3s, color 0.3s;
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s; padding: 0 20px; }
.faq-item.active .faq-answer { max-height: 240px; padding: 0 20px 20px; }
.faq-answer p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

/* CTA */
.cta-section { position: relative; border-radius: var(--radius-xl); overflow: hidden; background: var(--gradient); padding: 64px 56px; }
.cta-section .cta-noise { position: absolute; inset: 0; opacity: 0.08; background-image: radial-gradient(rgba(0,0,0,0.6) 1px, transparent 1px); background-size: 8px 8px; pointer-events: none; }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 900; color: #0B0C10; line-height: 1.2; }
.cta-sub { font-size: 16px; color: rgba(11,12,16,0.7); margin-top: 10px; max-width: 460px; }
.cta-btn {
  background: #0B0C10; color: var(--text-main);
  font-weight: 800; font-size: 16px; padding: 15px 36px;
  border-radius: 999px; border: none;
  transition: all 0.25s ease; white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.35); }
.cta-stats { display: flex; gap: 0; margin-top: 28px; flex-wrap: wrap; }
.cta-stat { padding: 8px 24px; background: rgba(0,0,0,0.25); border-right: 1px solid rgba(255,255,255,0.15); text-align: center; }
.cta-stat:first-child { border-radius: 12px 0 0 12px; }
.cta-stat:last-child { border-right: none; border-radius: 0 12px 12px 0; }
.cta-stat .num { font-size: 18px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }
.cta-stat .lbl { font-size: 12px; color: rgba(255,255,255,0.6); }

/* 页脚 */
.site-footer { margin-top: 96px; background: var(--surface); border-top: 1px solid var(--border); padding: 64px 24px 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 48px; max-width: 1280px; margin: 0 auto; }
.footer-brand p { font-size: 14px; color: var(--text-sub); line-height: 1.6; margin-top: 14px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: var(--text-sub); transition: color 0.2s; }
.footer-col a:hover { color: var(--secondary); }
.footer-social { display: flex; gap: 10px; margin-bottom: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.06); color: var(--text-sub);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.footer-social a:hover { color: var(--secondary); border-color: var(--secondary); transform: translateY(-2px); }
.footer-sub { display: flex; gap: 8px; }
.footer-sub input {
  flex: 1; height: 38px; border-radius: 999px; border: 1px solid var(--border);
  background: rgba(255,255,255,0.04); color: var(--text-main); padding: 0 16px; font-size: 13px;
}
.footer-sub input::placeholder { color: var(--text-sub); }
.footer-sub input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,64,12,0.15); }
.footer-sub button {
  height: 38px; padding: 0 18px; border-radius: 999px;
  background: var(--gradient); color: #0B0C10; font-weight: 700;
  font-size: 13px; border: none; transition: transform 0.2s;
}
.footer-sub button:hover { transform: translateY(-1px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); margin-top: 48px; padding: 20px 0; max-width: 1280px; margin-left: auto; margin-right: auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: 13px; color: var(--text-sub); }

/* 响应式 */
@media (max-width: 1024px) {
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .hot-card span.col-span-2 { grid-column: span 2; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  .section-padding { padding: 64px 0; }
  .hero { min-height: 60vh; }
  .hero-cta { gap: 12px; }
  .hero-stats { gap: 8px; }
  .stat-badge { min-width: 110px; padding: 10px 18px 12px; }
  .stat-num { font-size: 20px; }
  .slot-strip { flex-wrap: nowrap; }
  .hot-grid { gap: 16px; }
  .news-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-section { padding: 40px 28px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .slide-card { flex-basis: 240px; }
  .list-card { gap: 12px; }
  .list-thumb { width: 90px; height: 60px; }
}
@media (max-width: 520px) {
  .container-custom { padding: 0 16px; }
  .top-nav { flex-wrap: wrap; padding: 12px 16px; }
  .search-box { order: 3; flex: 1 0 100%; margin-top: 8px; }
  .search-box input:focus { width: 100%; }
  .hot-grid { grid-template-columns: 1fr; }
  .hot-card span.col-span-2 { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-title { font-size: 2rem; }
  .stat-badge { min-width: 90px; padding: 8px 14px 10px; }
  .stat-num { font-size: 16px; }
  .stat-label { font-size: 11px; }
  .list-card { flex-wrap: wrap; }
  .list-thumb { width: 72px; height: 52px; }
  .list-num { min-width: 28px; font-size: 16px; }
  .section-more { display: none; }
}

/* roulang page: category1 */
:root {
            --primary: #E8400C;
            --primary-hover: #FF5722;
            --secondary: #FF9F1A;
            --base: #0B0C10;
            --surface: #14161D;
            --surface-hover: #1B1E27;
            --border: rgba(255, 255, 255, 0.08);
            --text-main: #F5F1E8;
            --text-sub: #A89F96;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
            --gradient: linear-gradient(135deg, #E8400C 0%, #FF9F1A 100%);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--base);
            color: var(--text-main);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        main {
            flex: 1;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .top-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 14px 24px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(232, 64, 12, 0.35);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-main);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--secondary);
            margin-left: 2px;
        }
        .search-box {
            position: relative;
            flex: 0 1 260px;
            transition: flex-basis 0.3s ease;
        }
        .search-box:focus-within {
            flex-basis: 340px;
        }
        .search-input {
            width: 100%;
            height: 40px;
            border-radius: 999px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.06);
            padding: 0 44px 0 18px;
            color: var(--text-main);
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
        }
        .search-input::placeholder {
            color: var(--text-sub);
        }
        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 64, 12, 0.2);
            background: rgba(255, 255, 255, 0.08);
        }
        .search-box i {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-sub);
            font-size: 14px;
            pointer-events: none;
        }
        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--gradient);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 14px rgba(232, 64, 12, 0.3);
        }
        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 87, 34, 0.4);
        }
        .channel-nav {
            border-top: 1px solid var(--border);
            background: rgba(20, 22, 29, 0.7);
        }
        .channel-nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 8px 24px;
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .channel-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-inner a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            background: rgba(255, 255, 255, 0.04);
            white-space: nowrap;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }
        .channel-nav-inner a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.09);
        }
        .channel-nav-inner a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(232, 64, 12, 0.35);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 30px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 4px 18px rgba(232, 64, 12, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 87, 34, 0.45);
            color: #fff;
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-main);
        }
        .btn-ghost:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
            background: rgba(255, 159, 26, 0.06);
        }
        .btn-dark {
            background: var(--base);
            color: var(--text-main);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
        }
        .btn-dark:hover {
            transform: translateY(-2px);
            color: var(--secondary);
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border);
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(75deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.55) 45%, rgba(0, 0, 0, 0.2) 100%);
        }
        .cat-hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-top: 60px;
            padding-bottom: 60px;
        }
        .cat-hero-content {
            max-width: 680px;
        }
        .hero-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(232, 64, 12, 0.2);
            border: 1px solid rgba(232, 64, 12, 0.5);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }
        .hero-pill::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }
        .cat-hero h1 {
            font-size: clamp(2.25rem, 4.5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .brand-underline {
            background: linear-gradient(135deg, #FF9F1A, #FF5722);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(245, 241, 232, 0.75);
            line-height: 1.65;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-right: 32px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-item:last-child {
            border-right: none;
            padding-right: 0;
        }
        .stat-num {
            font-size: 28px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--text-main);
            line-height: 1.2;
        }
        .stat-num .stat-suffix {
            font-size: 16px;
            color: var(--secondary);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding-top: 36px;
            padding-bottom: 36px;
        }
        .stat-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: border-color 0.3s, transform 0.3s;
        }
        .stat-box:hover {
            border-color: rgba(232, 64, 12, 0.4);
            transform: translateY(-3px);
        }
        .stat-box-num {
            display: block;
            font-size: 32px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
            line-height: 1.2;
        }
        .stat-box-label {
            font-size: 14px;
            color: var(--text-sub);
        }

        /* ===== Section Head ===== */
        .section-head {
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 2px;
            background: var(--gradient);
        }
        .section-head p {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 480px;
            margin-left: 18px;
        }

        /* ===== Live Cards ===== */
        .live-grid-section {
            padding: 72px 0;
        }
        .live-card {
            display: block;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
        }
        .live-card:hover {
            transform: translateY(-4px);
            border-color: rgba(232, 64, 12, 0.4);
            box-shadow: var(--shadow);
        }
        .live-card-media {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .live-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .live-card:hover .live-card-media img {
            transform: scale(1.05);
        }
        .live-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.65) 0%, transparent 50%);
        }
        .live-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(232, 64, 12, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .live-badge.ended {
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
        }
        .live-views {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 10px;
            border-radius: 999px;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            font-size: 12px;
            font-variant-numeric: tabular-nums;
            color: rgba(255, 255, 255, 0.9);
        }
        .live-card-body {
            padding: 18px;
        }
        .live-cat {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(255, 159, 26, 0.15);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .live-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .live-time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ===== Tab List ===== */
        .tablist-section {
            padding: 72px 0;
            background: rgba(20, 22, 29, 0.5);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .tab-pills {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .tab-pill {
            padding: 9px 22px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            color: var(--text-sub);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .tab-pill:hover {
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .tab-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(232, 64, 12, 0.35);
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.4s ease;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 18px;
            border-radius: 14px;
            transition: background 0.3s;
            margin-bottom: 8px;
            border: 1px solid transparent;
        }
        .list-item:hover {
            background: var(--surface);
            border-color: var(--border);
        }
        .list-item:hover .list-num {
            color: var(--primary);
            opacity: 1;
        }
        .list-num {
            font-size: 22px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: rgba(255, 255, 255, 0.3);
            width: 44px;
            flex-shrink: 0;
            text-align: center;
            transition: color 0.3s, opacity 0.3s;
        }
        .list-thumb {
            width: 120px;
            height: 72px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }
        .list-info {
            flex: 1;
            min-width: 0;
        }
        .list-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }
        .list-meta {
            font-size: 13px;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .list-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .list-status {
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(232, 64, 12, 0.18);
            color: #FF5722;
        }
        .list-status.replay {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-sub);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            transition: border-color 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(232, 64, 12, 0.3);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: background 0.3s;
        }
        .faq-q:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-q i {
            color: var(--secondary);
            font-size: 16px;
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-a-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-sub);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            padding: 72px 0;
            background: linear-gradient(135deg, rgba(232, 64, 12, 0.9) 0%, rgba(255, 159, 26, 0.85) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.03) 0px, rgba(255, 255, 255, 0.03) 2px, transparent 2px, transparent 8px);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 8px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0B0C10;
            border-top: 1px solid var(--border);
            padding-top: 56px;
            margin-top: 0;
        }
        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--gradient);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-sub);
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-col ul a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-bottom: 18px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 16px;
            transition: all 0.25s;
        }
        .footer-social a:hover {
            color: #fff;
            border-color: var(--primary);
            background: var(--primary);
            transform: translateY(-2px);
        }
        .footer-sub {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .footer-sub input {
            flex: 1;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.05);
            padding: 0 14px;
            font-size: 13px;
            color: var(--text-main);
            outline: none;
            transition: border-color 0.3s;
        }
        .footer-sub input:focus {
            border-color: var(--primary);
        }
        .footer-sub button {
            height: 40px;
            padding: 0 18px;
            border-radius: 10px;
            background: var(--gradient);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: transform 0.2s;
        }
        .footer-sub button:hover {
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
        }
        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .top-nav {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                flex-basis: 100%;
            }
            .search-box:focus-within {
                flex-basis: 100%;
            }
        }
        @media (max-width: 768px) {
            .cat-hero {
                min-height: 60vh;
            }
            .cat-hero h1 {
                font-size: clamp(1.7rem, 5vw, 2.2rem);
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-stats {
                gap: 16px;
            }
            .stat-item {
                padding-right: 16px;
            }
            .stat-num {
                font-size: 22px;
            }
            .live-grid-section,
            .tablist-section,
            .faq-section,
            .cta-banner {
                padding: 56px 0;
            }
            .list-item {
                gap: 12px;
                padding: 12px;
            }
            .list-thumb {
                width: 88px;
                height: 60px;
            }
            .list-num {
                width: 30px;
                font-size: 18px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .top-nav {
                padding: 12px 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .btn-header {
                padding: 0 14px;
                font-size: 13px;
                height: 36px;
            }
            .channel-nav-inner {
                padding: 6px 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-box {
                padding: 16px 12px;
            }
            .stat-box-num {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 4px;
            }
            .stat-item {
                flex-shrink: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
            .list-item {
                flex-wrap: wrap;
            }
            .list-info {
                flex-basis: 100%;
                margin-left: 42px;
            }
        }
        @media (max-width: 400px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .list-item {
                gap: 8px;
            }
            .list-num {
                width: 24px;
            }
            .list-info {
                margin-left: 32px;
            }
        }

/* roulang page: article */
:root {
  --primary: #E8400C;
  --primary-hover: #FF5722;
  --secondary: #FF9F1A;
  --base: #0B0C10;
  --surface: #14161D;
  --surface-hover: #1B1E27;
  --border: rgba(255, 255, 255, 0.08);
  --text-main: #F5F1E8;
  --text-sub: #A89F96;
  --gradient: linear-gradient(135deg, #E8400C 0%, #FF9F1A 100%);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
  --radius: 16px;
  --radius-sm: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  background: var(--base);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.site-main { min-height: calc(100vh - 240px); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 12, 16, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.top-nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(232, 64, 12, 0.35);
}
.logo-text { font-size: 20px; font-weight: 800; color: var(--text-main); white-space: nowrap; line-height: 1.2; }
.logo-text span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-left: 2px;
}
.search-box {
  position: relative;
  margin-left: auto;
  width: 260px;
  transition: width 0.3s ease;
}
.search-box:focus-within { width: 340px; }
.search-box input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 40px 10px 16px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box input::placeholder { color: rgba(168, 159, 150, 0.7); }
.search-box input:focus {
  border-color: rgba(232, 64, 12, 0.6);
  box-shadow: 0 0 0 3px rgba(232, 64, 12, 0.15);
}
.search-box i {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-sub);
  font-size: 14px;
  pointer-events: none;
}
.btn-header {
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-block;
}
.btn-header:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 64, 12, 0.35); }
.btn-header:active { transform: translateY(0); box-shadow: none; }
.channel-nav { border-top: 1px solid var(--border); }
.channel-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  padding: 10px 24px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav-inner::-webkit-scrollbar { display: none; }
.channel-nav-inner a {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-sub);
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.2s, color 0.2s;
}
.channel-nav-inner a:hover { background: rgba(255, 255, 255, 0.12); color: var(--text-main); }
.channel-nav-inner a.active { background: var(--primary); color: #fff; font-weight: 600; }

/* ===== 文章头部 ===== */
.article-header-bg {
  background:
    linear-gradient(75deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.6) 45%, rgba(0, 0, 0, 0.35) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-sub); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current {
  color: var(--text-main);
  max-width: 480px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-cats { margin-bottom: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.cat-pill {
  background: rgba(232, 64, 12, 0.15);
  border: 1px solid rgba(232, 64, 12, 0.4);
  color: var(--secondary);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  display: inline-block;
}
.article-header-bg h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 12px 0 20px;
  max-width: 860px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-sub);
  font-size: 14px;
}
.meta-item { display: flex; align-items: center; gap: 6px; }
.meta-item i { color: var(--secondary); font-size: 14px; }

/* ===== 正文区 ===== */
.article-body-wrap {
  max-width: 768px;
  margin: 0 auto;
  padding: 48px 24px 32px;
}
.article-body {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.92);
}
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 36px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  color: #fff;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 28px 0 12px;
  color: #fff;
}
.article-body p { margin: 16px 0; }
.article-body a { color: var(--secondary); border-bottom: 1px solid rgba(255, 159, 26, 0.4); transition: border-color 0.2s; }
.article-body a:hover { border-bottom-color: var(--secondary); }
.article-body blockquote {
  border-left: 4px solid var(--secondary);
  background: var(--surface);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 12px 12px 0;
  color: var(--text-sub);
  font-style: normal;
}
.article-body ul, .article-body ol { margin: 16px 0; padding-left: 24px; }
.article-body ul li { list-style: disc; margin: 8px 0; padding-left: 4px; }
.article-body ol li { list-style: decimal; margin: 8px 0; padding-left: 4px; }
.article-body img {
  border-radius: 12px;
  max-width: 100%;
  height: auto;
  margin: 24px auto;
  display: block;
  box-shadow: var(--shadow);
}
.article-body pre {
  background: #1B1E27;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.7;
}
.article-body code {
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.9em;
  color: var(--secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}
.article-body pre code {
  background: none;
  padding: 0;
  color: #f5f1e8;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.article-body strong { color: #fff; font-weight: 700; }

/* ===== 文章尾部 ===== */
.article-tail {
  max-width: 768px;
  margin: 0 auto;
  padding: 24px 24px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.article-tags a {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-sub);
  transition: all 0.2s;
}
.article-tags a:hover { color: var(--secondary); border-color: rgba(255, 159, 26, 0.4); }
.article-share { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-sub); }
.share-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-sub);
  transition: all 0.2s;
  font-size: 14px;
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 相关推荐 ===== */
.related-section { max-width: 1280px; margin: 0 auto; padding: 48px 24px 56px; }
.related-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.3;
}
.related-section h2::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--gradient);
  border-radius: 4px;
  flex-shrink: 0;
}
.related-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}
.related-scroll::-webkit-scrollbar { height: 6px; }
.related-scroll::-webkit-scrollbar-track { background: transparent; }
.related-scroll::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 4px; }
.related-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.related-card:hover { transform: translateY(-4px); border-color: rgba(232, 64, 12, 0.4); box-shadow: var(--shadow); }
.related-card .cover { height: 150px; overflow: hidden; position: relative; }
.related-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .cover img { transform: scale(1.05); }
.related-card .card-info { padding: 14px 16px 16px; }
.related-card .card-info h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-main);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 42px;
}
.related-card .cat-tag {
  font-size: 12px;
  color: var(--secondary);
  background: rgba(255, 159, 26, 0.1);
  border: 1px solid rgba(255, 159, 26, 0.25);
  padding: 2px 10px;
  border-radius: 999px;
  display: inline-block;
}
.back-links {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 16px 0 8px;
}
.back-links a {
  color: var(--text-sub);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.back-links a:hover { color: var(--secondary); }

/* ===== 内容未找到 ===== */
.not-found-box {
  max-width: 640px;
  margin: 60px auto;
  text-align: center;
  padding: 48px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.not-found-box .nf-icon {
  font-size: 42px;
  color: var(--primary);
  margin-bottom: 16px;
}
.not-found-box h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}
.not-found-box p { color: var(--text-sub); font-size: 15px; margin-bottom: 24px; }
.btn-primary {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 64, 12, 0.35); }
.btn-primary:active { transform: translateY(0); }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  background: #0d0e14;
  padding: 56px 0 0;
}
.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--secondary); }
.footer-social { display: flex; gap: 10px; margin-bottom: 20px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  font-size: 15px;
  transition: all 0.2s;
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.footer-sub { display: flex; gap: 0; }
.footer-sub input {
  flex: 1;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  padding: 9px 14px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.footer-sub input::placeholder { color: rgba(168, 159, 150, 0.6); }
.footer-sub input:focus { border-color: rgba(232, 64, 12, 0.6); }
.footer-sub button {
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  padding: 9px 18px;
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  transition: filter 0.2s;
}
.footer-sub button:hover { filter: brightness(1.1); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .related-card { flex-basis: 260px; }
}
@media (max-width: 768px) {
  .top-nav { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .search-box { width: 100%; order: 3; }
  .search-box:focus-within { width: 100%; }
  .btn-header { margin-left: auto; padding: 9px 16px; font-size: 13px; }
  .channel-nav-inner { padding: 8px 16px; }
  .article-header-bg { padding: 40px 0 32px; }
  .article-header-bg h1 { font-size: 1.65rem; }
  .article-meta { gap: 12px; font-size: 13px; }
  .article-body-wrap { padding: 36px 20px 24px; }
  .article-body { font-size: 16px; }
  .article-tail { padding: 20px 20px 32px; }
  .article-share { margin-left: 0; }
  .related-section { padding: 40px 16px; }
  .related-card { flex-basis: 240px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 0 20px 32px; }
  .footer-bottom { padding: 16px 20px; }
}
@media (max-width: 520px) {
  .top-nav { padding: 10px 12px; }
  .logo-text { font-size: 17px; }
  .search-box input { padding: 8px 36px 8px 12px; font-size: 13px; }
  .article-header-bg h1 { font-size: 1.4rem; }
  .article-meta { gap: 10px; }
  .breadcrumb { font-size: 13px; }
  .related-card { flex-basis: 220px; }
  .related-section h2 { font-size: 1.35rem; }
  .back-links { flex-direction: column; align-items: center; gap: 12px; }
}

/* roulang page: category2 */
:root {
            --primary: #E8400C;
            --primary-hover: #FF5722;
            --secondary: #FF9F1A;
            --base: #0B0C10;
            --surface: #14161D;
            --surface-hover: #1B1E27;
            --border: rgba(255, 255, 255, 0.08);
            --text: #F5F1E8;
            --text-secondary: #A89F96;
            --gradient-brand: linear-gradient(135deg, #E8400C 0%, #FF9F1A 100%);
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--base);
            color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.6;
            font-size: 16px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container-page {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(11, 12, 16, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .top-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 28px;
            max-width: 80rem;
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C10;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(232, 64, 12, 0.35);
        }
        .logo-text {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
            color: var(--text);
        }
        .logo-text span {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-left: 3px;
        }
        .search-box {
            flex: 1;
            max-width: 320px;
            margin: 0 auto;
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-input {
            width: 100%;
            height: 40px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.10);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text);
            padding: 0 44px 0 18px;
            font-size: 14px;
            outline: none;
            transition: all 0.3s ease;
        }
        .search-input::placeholder {
            color: rgba(168, 159, 150, 0.7);
        }
        .search-input:focus {
            border-color: rgba(232, 64, 12, 0.5);
            box-shadow: 0 0 0 3px rgba(232, 64, 12, 0.15);
            max-width: 340px;
        }
        .search-box > i {
            position: absolute;
            right: 16px;
            color: var(--text-secondary);
            font-size: 14px;
            pointer-events: none;
        }
        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gradient-brand);
            color: #0B0C10;
            font-size: 14px;
            font-weight: 700;
            padding: 9px 22px;
            border-radius: 999px;
            white-space: nowrap;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 2px 12px rgba(232, 64, 12, 0.3);
        }
        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 64, 12, 0.4);
        }
        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            background: rgba(11, 12, 16, 0.5);
        }
        .channel-nav-inner {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 8px 28px;
            max-width: 80rem;
            margin: 0 auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .channel-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .channel-nav-inner a {
            flex-shrink: 0;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .channel-nav-inner a:hover {
            background: rgba(255, 255, 255, 0.09);
            color: var(--text);
        }
        .channel-nav-inner a.active {
            background: var(--primary);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 2px 12px rgba(232, 64, 12, 0.35);
        }
        .main-wrap {
            padding-top: 112px;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            height: 40vh;
            min-height: 320px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(75deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.5) 50%, transparent 100%);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.25rem;
            width: 100%;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 64, 12, 0.2);
            border: 1px solid rgba(232, 64, 12, 0.3);
            color: #FF9F1A;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 .grad-text {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .category-hero p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 520px;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 90px;
            position: relative;
            padding-bottom: 10px;
        }
        .hero-stats .stat-item::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--gradient-brand);
            opacity: 0.6;
            border-radius: 2px;
        }
        .hero-stats .stat-num {
            font-size: 24px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--text);
        }
        .hero-stats .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* ========== Section common ========== */
        .section-block {
            padding: 64px 1.25rem;
            max-width: 80rem;
            margin: 0 auto;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            position: relative;
        }
        .section-header h2::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 24px;
            background: var(--gradient-brand);
            border-radius: 4px;
            margin-right: 12px;
            vertical-align: middle;
        }
        .section-header .section-sub {
            color: var(--text-secondary);
            font-size: 14px;
            max-width: 420px;
        }

        /* ========== Highlights Scroll ========== */
        .highlights-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(232, 64, 12, 0.4) transparent;
        }
        .highlights-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .highlights-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .highlights-scroll::-webkit-scrollbar-thumb {
            background: rgba(232, 64, 12, 0.4);
            border-radius: 4px;
        }
        .scroll-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            transition: transform 0.3s, border-color 0.3s;
            position: relative;
        }
        .scroll-card:hover {
            transform: translateY(-4px);
            border-color: rgba(232, 64, 12, 0.4);
        }
        .scroll-card .thumb-wrap {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        .scroll-card .thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scroll-card:hover .thumb-wrap img {
            transform: scale(1.05);
        }
        .scroll-card .play-btn-sm {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.95);
            color: #0B0C10;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
            transition: transform 0.2s;
        }
        .scroll-card:hover .play-btn-sm {
            transform: scale(1.1);
            background: #fff;
        }
        .scroll-card .duration-tag {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.65);
            color: rgba(255, 255, 255, 0.95);
            font-size: 12px;
            font-weight: 600;
            font-variant-numeric: tabular-nums;
            padding: 3px 8px;
            border-radius: 6px;
            backdrop-filter: blur(4px);
        }
        .scroll-card .card-info {
            padding: 12px 14px 14px;
        }
        .scroll-card .card-info h3 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--text);
        }
        .scroll-card .card-meta {
            display: flex;
            gap: 12px;
            margin-top: 6px;
            font-size: 12px;
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
        }

        /* ========== Weekly Top 3-col ========== */
        .top-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .top-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            transition: transform 0.3s, border-color 0.3s;
            box-shadow: var(--shadow-card);
        }
        .top-card:hover {
            transform: translateY(-4px);
            border-color: rgba(232, 64, 12, 0.4);
        }
        .top-card .top-thumb {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .top-card .top-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .top-card:hover .top-thumb img {
            transform: scale(1.05);
        }
        .top-card .top-thumb .rank-pill {
            position: absolute;
            top: 14px;
            left: 14px;
            background: #FF9F1A;
            color: #0B0C10;
            font-size: 13px;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
        }
        .top-card .top-body {
            padding: 18px;
        }
        .top-card .top-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .top-card .top-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .top-card .top-footer {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .top-footer .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 159, 26, 0.1);
            color: #FF9F1A;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
        }

        /* ========== Topics Grid ========== */
        .topics-layout {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .topic-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: all 0.3s;
            gap: 16px;
        }
        .topic-link:hover {
            background: var(--surface-hover);
            border-color: rgba(232, 64, 12, 0.35);
            transform: translateX(4px);
        }
        .topic-link .topic-name {
            font-size: 15px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .topic-link .topic-name i {
            color: var(--primary);
            font-size: 16px;
            width: 20px;
        }
        .topic-link .topic-count {
            font-size: 12px;
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
            white-space: nowrap;
        }
        .topic-link .arrow-icon {
            color: var(--text-secondary);
            font-size: 13px;
            transition: transform 0.2s;
        }
        .topic-link:hover .arrow-icon {
            transform: translateX(4px);
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            max-width: 80rem;
            margin: 0 auto;
            padding: 64px 1.25rem;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s;
        }
        .faq-item.open {
            border-color: rgba(232, 64, 12, 0.35);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            gap: 16px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            flex-shrink: 0;
            transition: transform 0.25s, background 0.25s, color 0.25s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ========== CTA Banner ========== */
        .cta-banner {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.25rem 64px;
        }
        .cta-inner {
            position: relative;
            border-radius: var(--radius-xl);
            background: var(--gradient-brand);
            padding: 48px 48px 56px;
            overflow: hidden;
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 800;
            color: #0B0C10;
            margin-bottom: 8px;
            position: relative;
        }
        .cta-inner p {
            color: rgba(11, 12, 16, 0.75);
            font-size: 15px;
            margin-bottom: 24px;
            max-width: 480px;
            position: relative;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
        }
        .btn-light {
            background: #fff;
            color: #0B0C10;
            font-size: 14px;
            font-weight: 700;
            padding: 11px 28px;
            border-radius: 999px;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .btn-outline-dark {
            background: transparent;
            color: #0B0C10;
            font-size: 14px;
            font-weight: 700;
            padding: 11px 28px;
            border-radius: 999px;
            border: 2px solid rgba(11, 12, 16, 0.35);
            transition: all 0.25s;
        }
        .btn-outline-dark:hover {
            border-color: #0B0C10;
            background: rgba(11, 12, 16, 0.08);
        }
        .cta-stats {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            position: relative;
            flex-wrap: wrap;
        }
        .cta-stats .stat-s {
            display: flex;
            flex-direction: column;
        }
        .cta-stats .stat-s .num {
            font-size: 20px;
            font-weight: 800;
            color: #0B0C10;
            font-variant-numeric: tabular-nums;
        }
        .cta-stats .stat-s .label {
            font-size: 12px;
            color: rgba(11, 12, 16, 0.7);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0D0E13;
            border-top: 1px solid var(--border);
            padding: 56px 0 0;
        }
        .footer-grid {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 28px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            color: var(--text);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--primary-hover);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-bottom: 18px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 15px;
            transition: all 0.3s;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-sub {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }
        .footer-sub input {
            flex: 1;
            height: 38px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text);
            padding: 0 14px;
            font-size: 13px;
            outline: none;
            transition: border-color 0.3s;
        }
        .footer-sub input:focus {
            border-color: rgba(232, 64, 12, 0.5);
        }
        .footer-sub button {
            background: var(--gradient-brand);
            border: none;
            color: #0B0C10;
            font-size: 13px;
            font-weight: 700;
            padding: 0 20px;
            border-radius: 8px;
            transition: opacity 0.2s;
        }
        .footer-sub button:hover {
            opacity: 0.85;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 18px 28px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            max-width: 80rem;
            margin: 0 auto;
            color: var(--text-secondary);
            font-size: 13px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .top-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .main-wrap {
                padding-top: 96px;
            }
            .top-nav {
                padding: 10px 16px;
                gap: 10px;
            }
            .search-box {
                max-width: 180px;
            }
            .search-input:focus {
                max-width: 200px;
            }
            .btn-header {
                padding: 8px 14px;
                font-size: 13px;
            }
            .channel-nav-inner {
                padding: 8px 16px;
            }
            .category-hero {
                height: 60vh;
                min-height: 420px;
            }
            .section-block {
                padding: 40px 16px;
            }
            .top-grid {
                grid-template-columns: 1fr;
            }
            .topics-layout {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                padding: 0 16px;
                gap: 28px;
            }
            .footer-bottom {
                padding: 16px;
            }
            .hero-stats {
                gap: 20px;
            }
            .cta-inner {
                padding: 36px 24px 44px;
            }
            .cta-stats {
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .search-box {
                display: none;
            }
            .top-nav {
                justify-content: space-between;
            }
            .btn-header {
                margin-left: auto;
            }
            .category-hero h1 {
                font-size: 1.75rem;
            }
            .category-hero p {
                font-size: 14px;
            }
            .hero-stats .stat-num {
                font-size: 20px;
            }
            .scroll-card {
                flex-basis: 260px;
            }
            .top-card .top-thumb {
                height: 180px;
            }
            .cta-actions .btn-light,
            .cta-actions .btn-outline-dark {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #E8400C;
  --primary-hover: #FF5722;
  --secondary: #FF9F1A;
  --base: #0B0C10;
  --surface: #14161D;
  --surface-hover: #1B1E27;
  --border: rgba(255, 255, 255, 0.08);
  --text-main: #F5F1E8;
  --text-sub: #A89F96;
  --gradient: linear-gradient(135deg, #E8400C 0%, #FF9F1A 100%);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: var(--base);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

.container-page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 12, 16, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  border-radius: 10px;
  color: #0B0C10;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(232, 64, 12, 0.35);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
  white-space: nowrap;
}

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

.search-box {
  position: relative;
  flex: 1;
  max-width: 260px;
  margin: 0 auto;
  transition: max-width 0.3s ease;
}

.search-box:focus-within {
  max-width: 340px;
}

.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  padding: 9px 14px 9px 38px;
  border-radius: 999px;
  font-size: 14px;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input::placeholder {
  color: #6f665e;
}

.search-input:focus {
  border-color: rgba(232, 64, 12, 0.65);
  box-shadow: 0 0 0 3px rgba(232, 64, 12, 0.22);
  background: rgba(255, 255, 255, 0.12);
}

.search-box i {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-sub);
  font-size: 14px;
  pointer-events: none;
}

.btn-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 10px 20px;
  background: var(--gradient);
  color: #0B0C10;
  font-weight: 700;
  font-size: 14px;
  border-radius: 10px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}

.btn-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 64, 12, 0.35);
}

.channel-nav {
  border-top: 1px solid var(--border);
  background: rgba(11, 12, 16, 0.85);
}

.channel-nav-inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  scrollbar-width: none;
}

.channel-nav-inner::-webkit-scrollbar {
  display: none;
}

.channel-nav-inner a {
  flex-shrink: 0;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.25s ease, color 0.25s ease;
}

.channel-nav-inner a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

.channel-nav-inner a.active {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}

/* ========== 分类 Top 深色面板 ========== */
.category-hero {
  position: relative;
  padding: 88px 0 64px;
  background:
    radial-gradient(800px 320px at 85% -40px, rgba(232, 64, 12, 0.22), transparent 60%),
    radial-gradient(500px 260px at 10% 110%, rgba(255, 159, 26, 0.08), transparent 60%),
    linear-gradient(180deg, #0B0C10 0%, #101218 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(232, 64, 12, 0.18);
  border: 1px solid rgba(232, 64, 12, 0.4);
  border-radius: 999px;
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.category-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.category-title span {
  color: var(--secondary);
  position: relative;
  display: inline-block;
}

.category-title span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 10px;
  background: linear-gradient(90deg, rgba(232, 64, 12, 0.5), rgba(255, 159, 26, 0.35));
  border-radius: 3px;
  z-index: -1;
}

.category-desc {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-sub);
  max-width: 620px;
}

.hero-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.badge-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 28px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.badge-item:hover {
  border-color: rgba(255, 159, 26, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.badge-item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px 2px 0 0;
}

.badge-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.badge-label {
  font-size: 13px;
  color: var(--text-sub);
}

/* ========== 区块通用 ========== */
.section-block {
  padding: 88px 0;
}

.section-header {
  margin-bottom: 44px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--text-main);
  padding-left: 16px;
  position: relative;
  line-height: 1.3;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: var(--gradient);
}

.section-subtitle {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 520px;
}

/* ========== 图文混排列表 ========== */
.dual-list {
  max-width: 1120px;
  margin: 0 auto;
}

.dual-item {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.dual-item:first-child {
  padding-top: 0;
}

.dual-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.dual-item:nth-child(even) .dual-media {
  order: 2;
}

.dual-media {
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.dual-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.dual-item:hover .dual-media img {
  transform: scale(1.04);
}

.dual-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.content-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: rgba(255, 159, 26, 0.12);
  border: 1px solid rgba(255, 159, 26, 0.3);
  border-radius: 999px;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.content-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

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

/* ========== 跟赛步骤 ========== */
.steps-section {
  background: #0E1117;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-item {
  position: relative;
  padding: 28px 24px;
  background: rgba(20, 22, 29, 0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
  overflow: hidden;
}

.step-item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.step-item:hover {
  border-color: rgba(232, 64, 12, 0.35);
  transform: translateY(-4px);
  background: var(--surface);
}

.step-item:hover::after {
  opacity: 1;
}

.step-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 64, 12, 0.15);
  border: 1px solid rgba(232, 64, 12, 0.35);
  color: var(--secondary);
  font-weight: 800;
  font-size: 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.step-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

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

/* ========== 观赛小贴士 ========== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tip-card {
  background: rgba(20, 22, 29, 0.7);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px 28px;
  display: flex;
  gap: 16px;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.tip-card:hover {
  border-color: rgba(232, 64, 12, 0.35);
  transform: translateY(-3px);
  background: var(--surface-hover);
}

.tip-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 159, 26, 0.1);
  border: 1px solid rgba(255, 159, 26, 0.3);
  color: var(--secondary);
  border-radius: 10px;
  font-size: 16px;
}

.tip-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

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

/* ========== FAQ ========== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.faq-item {
  background: rgba(20, 22, 29, 0.75);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(255, 159, 26, 0.25);
  background: var(--surface);
}

.faq-item.open {
  border-color: rgba(232, 64, 12, 0.35);
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  gap: 12px;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--secondary);
  transition: transform 0.3s ease;
  font-weight: 400;
}

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

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
}

.faq-item.open .faq-body {
  max-height: 400px;
  padding-top: 12px;
}

/* ========== CTA ========== */
.cta-banner {
  position: relative;
  background: var(--gradient);
  border-radius: 24px;
  padding: 56px;
  overflow: hidden;
  color: #0B0C10;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 0, 0, 0.14) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.35;
  pointer-events: none;
}

.cta-banner::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  filter: blur(40px);
}

.cta-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-title {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.3;
}

.cta-subtitle {
  font-size: 15px;
  opacity: 0.88;
  margin-top: 8px;
  max-width: 480px;
}

.cta-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0B0C10;
  color: #F5F1E8;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}

.cta-btn:hover {
  background: #1B1E27;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

.cta-mini-badges {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.cta-mini-badges .mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.22);
  color: #F5F1E8;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ========== Footer ========== */
.site-footer {
  background: #0B0C10;
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 40px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}

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

.footer-col ul a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col ul a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-sub);
  font-size: 15px;
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.footer-social a:hover {
  color: var(--secondary);
  background: rgba(255, 159, 26, 0.1);
  transform: translateY(-2px);
}

.footer-sub {
  display: flex;
  gap: 8px;
  max-width: 280px;
}

.footer-sub input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
}

.footer-sub input::placeholder {
  color: #6f665e;
}

.footer-sub input:focus {
  border-color: rgba(255, 159, 26, 0.4);
}

.footer-sub button {
  padding: 10px 16px;
  background: var(--gradient);
  color: #0B0C10;
  font-weight: 700;
  font-size: 13px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.footer-sub button:hover {
  transform: translateY(-1px);
}

.footer-bottom {
  max-width: 1280px;
  margin: 40px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .dual-item {
    gap: 32px;
  }
}

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

  .category-hero {
    padding: 56px 0 44px;
  }

  .top-nav {
    padding: 12px 16px;
    gap: 12px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .logo-text {
    font-size: 1.05rem;
  }

  .search-box {
    max-width: 180px;
  }

  .search-box:focus-within {
    max-width: 220px;
  }

  .btn-header {
    padding: 8px 14px;
    font-size: 13px;
  }

  .channel-nav-inner {
    padding: 8px 16px;
  }

  .dual-item,
  .dual-item:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .dual-item:nth-child(even) .dual-media {
    order: 0;
  }

  .dual-media img {
    height: 210px;
  }

  .top-nav {
    flex-wrap: nowrap;
  }

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

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

  .cta-banner {
    padding: 40px 28px;
  }

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

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

@media (max-width: 520px) {
  .top-nav {
    padding: 10px 12px;
  }

  .logo-text {
    font-size: 0.95rem;
  }

  .logo-icon {
    width: 30px;
    height: 30px;
  }

  .search-box {
    max-width: 120px;
  }

  .search-input {
    padding-left: 32px;
    padding-right: 10px;
    font-size: 13px;
  }

  .btn-header {
    padding: 7px 12px;
    font-size: 12px;
  }

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

  .section-header {
    margin-bottom: 28px;
  }

  .hero-badges {
    flex-direction: column;
    align-items: flex-start;
  }

  .badge-item {
    width: 100%;
    padding: 16px 20px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

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

  .cta-title {
    font-size: 1.35rem;
  }
}