/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --bg-primary: #0A0E1A;
  --bg-secondary: #0F1526;
  --bg-dark: #070B14;
  --brand-blue: #2E7CF6;
  --neon-cyan: #00E5FF;
  --electric-purple: #7B61FF;
  --warning-gold: #FFC83A;
  --text-primary: #EEF2FF;
  --text-secondary: #98A2C3;
  --text-muted: #5A6486;
  --glass-bg: rgba(255, 255, 255, 0.055);
  --glass-border: rgba(255, 255, 255, 0.09);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-badge: 6px;
  --radius-hero: 20px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 48px rgba(46, 124, 246, 0.18);
  --glow-blue: 0 0 24px rgba(46, 124, 246, 0.5);
  --glow-cyan: 0 0 40px rgba(0, 229, 255, 0.6);
  --transition: all 0.25s ease-out;
  --container-max: 1320px;
  --space-section: 96px;
  --space-section-sm: 64px;
}
/* ============ Reset & Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--neon-cyan); }
img { max-width: 100%; display: block; object-fit: cover; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-secondary); }
.section-dark { background: var(--bg-primary); }
::selection { background: rgba(0, 229, 255, 0.25); color: #fff; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #2E4A7A; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3A5A9A; }

/* ============ 通用组件 ============ */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff, rgba(255,255,255,0.82));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-head .section-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 8px 0 0;
}
.text-link {
  color: var(--neon-cyan);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.text-link i { transition: transform 0.25s ease; }
.text-link:hover i { transform: translateX(4px); }

.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 600;
  background: rgba(123, 97, 255, 0.18);
  color: var(--electric-purple);
  border: 1px solid rgba(123, 97, 255, 0.28);
}
.tag-free { background: rgba(0, 229, 255, 0.12); color: var(--neon-cyan); border-color: rgba(0, 229, 255, 0.22); }
.tag-vip { background: rgba(255, 200, 58, 0.14); color: var(--warning-gold); border-color: rgba(255, 200, 58, 0.25); }
.tag-hot { background: rgba(255, 74, 74, 0.14); color: #FF6B6B; border-color: rgba(255, 74, 74, 0.25); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 8px 20px; font-size: 13px; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
  color: #08182E;
  box-shadow: 0 0 24px rgba(46, 124, 246, 0.5);
  border: none;
}
.btn-primary:hover {
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.6);
  transform: translateY(-2px);
  color: #08182E;
}
.btn-primary:active { transform: translateY(1px); box-shadow: 0 0 16px rgba(46, 124, 246, 0.4); }
.btn-primary i { transition: transform 0.25s ease; }
.btn-primary:hover i { transform: translateX(4px); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
}
.btn-ghost:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); background: rgba(0, 229, 255, 0.06); }
.btn-ghost:active { transform: translateY(1px); }
.btn:focus-visible,
.text-link:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.img-fallback {
  background: #1A2238;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
  min-height: 120px;
  border-radius: 12px;
}

/* ============ 顶部信息条 ============ */
.topbar {
  background: var(--bg-dark);
  height: 38px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  position: sticky;
  top: 0;
  z-index: 999;
  transition: transform 0.3s ease-out;
}
.topbar.hidden { transform: translateY(-100%); }
.topbar .container-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.topbar-domain {
  font-size: 13px;
  color: var(--text-muted);
  font-family: monospace;
  letter-spacing: 0.5px;
}
.topbar-links { display: flex; align-items: center; gap: 18px; }
.topbar-links a { font-size: 13px; color: var(--text-secondary); transition: var(--transition); }
.topbar-links a:hover { color: var(--neon-cyan); }
.topbar-links .divider { color: rgba(255, 255, 255, 0.14); font-size: 12px; }

/* ============ 主导航 ============ */
.site-header {
  position: sticky;
  top: 38px;
  z-index: 998;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(46, 124, 246, 0.2), rgba(0, 229, 255, 0.12));
  border: 1px solid rgba(0, 229, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
}
.logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
.logo-txt strong {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-primary);
}
.logo-txt small {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 2px;
}
.main-nav { flex: 1; display: flex; justify-content: center; }
.main-nav ul { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  border-radius: 4px 4px 0 0;
}
.main-nav a:hover { color: var(--neon-cyan); background: rgba(0, 229, 255, 0.04); }
.main-nav a.active {
  color: var(--text-primary);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--brand-blue), var(--neon-cyan)) 1;
  background: rgba(0, 229, 255, 0.05);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.03);
}
.search-btn:hover { color: var(--neon-cyan); border-color: rgba(0, 229, 255, 0.4); box-shadow: 0 0 12px rgba(0, 229, 255, 0.15); }
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============ 移动端抽屉 ============ */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--bg-secondary);
  z-index: 1200;
  transition: right 0.3s ease-out;
  padding: 24px 20px;
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.drawer-brand { font-size: 20px; font-weight: 800; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.drawer-brand i { color: var(--neon-cyan); }
.drawer-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 14px;
}
.drawer-close:hover { color: #fff; background: rgba(255, 255, 255, 0.15); }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav li { grid-column: span 1; }
.drawer-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}
.drawer-nav a:hover { color: var(--neon-cyan); border-color: rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.04); }
.drawer-nav a.active { color: var(--neon-cyan); background: rgba(0, 229, 255, 0.08); border-color: rgba(0, 229, 255, 0.35); }
.drawer-cta { margin-top: 24px; width: 100%; }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.drawer-overlay.show { opacity: 1; pointer-events: auto; }

/* ============ Hero ============ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 26, 0.94) 0%, rgba(10, 14, 26, 0.82) 45%, rgba(10, 14, 26, 0.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 0 100px;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 30px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--neon-cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.08);
}
.hero-badge i { font-size: 14px; }
.hero h1 {
  font-size: 58px;
  line-height: 1.15;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -1px;
}
.hero-line1 { display: block; color: var(--text-primary); }
.hero-line2 {
  display: block;
  background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.hero-stat {
  padding: 16px 24px;
  min-width: 180px;
  text-align: center;
}
.hero-stat .stat-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 18px;
  animation: bounce-down 2s ease-in-out infinite;
  z-index: 3;
}
@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 1; }
}

/* ============ 横滑片库 ============ */
.scroll-wrap { position: relative; }
.scroll-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 4px 16px;
  cursor: grab;
  scroll-snap-type: x mandatory;
}
.scroll-track::-webkit-scrollbar { display: none; }
.scroll-track:active { cursor: grabbing; }
.match-card {
  flex: 0 0 260px;
  scroll-snap-align: start;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
}
.match-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 229, 255, 0.35);
}
.match-card .card-cover {
  height: 146px;
  overflow: hidden;
  position: relative;
}
.match-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.match-card:hover .card-cover img { transform: scale(1.05); }
.hot-pill {
  position: absolute;
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, #FF6B35, #FF3D3D);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-badge);
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 4px 16px rgba(255, 61, 61, 0.35);
}
.match-card .card-body { padding: 16px; }
.match-card .card-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.match-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.match-meta span { display: inline-flex; align-items: center; gap: 4px; }
.card-hover-btn {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(8px);
  color: var(--neon-cyan);
  text-align: center;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  z-index: 2;
}
.match-card:hover .card-hover-btn { transform: translateY(0); }
.card-hover-btn:hover { color: #fff; background: rgba(10, 14, 26, 0.95); }

/* ============ 热播推荐 ============ */
.hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.hot-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
}
.hot-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 229, 255, 0.35);
}
.hot-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.hot-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.hot-card:hover .hot-cover img { transform: scale(1.04); }
.hot-cover .cover-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,14,26,0) 45%, rgba(10,14,26,0.75) 100%);
}
.top-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: linear-gradient(135deg, var(--warning-gold), #FFA800);
  color: #1A0E00;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  box-shadow: 0 4px 20px rgba(255, 200, 58, 0.35);
  z-index: 2;
}
.fav-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(10, 14, 26, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  z-index: 2;
  backdrop-filter: blur(6px);
}
.fav-btn:hover { color: var(--warning-gold); border-color: var(--warning-gold); transform: scale(1.1); }
.hot-body { padding: 20px 20px 24px; }
.hot-body h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
.hot-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--text-muted);
}
.hot-meta .countdown { display: inline-flex; align-items: center; gap: 4px; font-variant-numeric: tabular-nums; }
.hot-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.text-btn {
  color: var(--neon-cyan);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 0;
}
.text-btn:hover { text-decoration: underline; text-underline-offset: 4px; color: var(--neon-cyan); }

/* ============ 片单分类分区 ============ */
.compact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.compact-card {
  border-radius: 14px;
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
}
.compact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 229, 255, 0.35);
}
.compact-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.compact-cover img { width: 100%; height: 100%; object-fit: cover; }
.compact-cover .tag { position: absolute; top: 8px; right: 8px; z-index: 2; }
.compact-body { padding: 14px; }
.compact-body h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.compact-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}
.compact-meta .viewers { display: inline-flex; align-items: center; gap: 4px; }
.progress-track {
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}
.progress-track span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--brand-blue), var(--neon-cyan));
  border-radius: 4px;
}
.section-head .section-head-left { display: flex; flex-direction: column; }

/* ============ 追更 CTA ============ */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: var(--bg-dark);
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 229, 255, 0.12), transparent 70%);
  pointer-events: none;
}
.cta-section::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: 32px 32px;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.cta-content { flex: 1; min-width: 300px; }
.cta-content h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--text-primary);
}
.cta-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 28px;
  max-width: 540px;
}
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-decoration {
  flex-shrink: 0;
  font-size: 80px;
  color: rgba(0, 229, 255, 0.3);
  padding: 20px;
  border: 1px dashed rgba(0, 229, 255, 0.25);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 140px;
  transform: rotate(3deg);
}
.cta-decoration i { transition: transform 0.4s ease; }
.cta-decoration:hover i { transform: rotate(-8deg) scale(1.1); }

/* ============ 最新资讯 CMS ============ */
.news-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
}
.news-featured-card {
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  height: 100%;
}
.news-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 229, 255, 0.35);
}
.news-featured-cover { position: relative; aspect-ratio: 16/8; overflow: hidden; }
.news-featured-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-featured-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10,14,26,0.55), transparent 45%);
}
.news-featured-content { padding: 20px 24px; }
.news-featured-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 10px 0 8px;
  line-height: 1.5;
}
.news-featured-content p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 12px;
}
.news-time {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.news-side-list { display: flex; flex-direction: column; gap: 14px; }
.news-list-item {
  display: flex;
  gap: 14px;
  padding: 14px;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  align-items: center;
}
.news-list-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.35);
  transform: translateX(4px);
}
.news-list-thumb {
  width: 84px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.news-list-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-list-content { flex: 1; min-width: 0; }
.news-list-content h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-list-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.empty-state {
  background: var(--glass-bg);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-card);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state i { font-size: 36px; margin-bottom: 12px; color: var(--text-muted); opacity: 0.6; display: block; }
.empty-state p { margin: 0; font-size: 15px; }

/* ============ FAQ ============ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(0, 229, 255, 0.25); }
.faq-item.active { border-color: rgba(0, 229, 255, 0.35); background: rgba(255, 255, 255, 0.07); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: var(--transition);
  gap: 16px;
}
.faq-question:hover { color: var(--neon-cyan); }
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(90deg);
  background: rgba(0, 229, 255, 0.15);
  color: var(--neon-cyan);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 24px;
}
.faq-item.active .faq-answer { max-height: 500px; padding-bottom: 20px; }
.faq-answer p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  border-left: 4px solid var(--neon-cyan);
  padding-left: 16px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(78, 97, 255, 0.3);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--electric-purple), var(--neon-cyan), transparent);
}
.footer-main { padding: 72px 0 48px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 20px;
  max-width: 320px;
}
.social-icons { display: flex; gap: 10px; }
.social-icons a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.03);
}
.social-icons a:hover {
  color: var(--neon-cyan);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 18px;
  color: var(--text-primary);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col ul a:hover {
  color: var(--neon-cyan);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0 0 10px;
}
.footer-contact .domain-text {
  font-family: monospace;
  color: var(--text-secondary);
  font-size: 14px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .compact-grid { grid-template-columns: repeat(3, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .hero h1 { font-size: 44px; }
  .compact-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { flex-direction: column; }
  .cta-decoration { order: -1; width: 100px; height: 100px; font-size: 48px; }
}

@media (max-width: 768px) {
  .section { padding: var(--space-section-sm) 0; }
  .hot-grid { grid-template-columns: 1fr; }
  .hero { min-height: 90vh; }
  .hero-content { padding: 100px 0 80px; }
  .hero h1 { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .section-head h2 { font-size: 24px; }
  .header-actions .btn { display: none; }
  .topbar-links { gap: 10px; }
  .topbar-links a { font-size: 12px; }
  .scroll-track { padding-bottom: 10px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero { background-position: center left; }
  .hero h1 { font-size: 32px; }
  .hero-stats { gap: 12px; }
  .hero-stat { padding: 12px 16px; min-width: 140px; }
  .hero-stat .stat-num { font-size: 24px; }
  .hero-actions .btn { width: 100%; }
  .compact-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .btn-lg { padding: 14px 24px; font-size: 15px; }
  .section-head { flex-direction: column; align-items: flex-start; margin-bottom: 28px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.active .faq-answer { padding-bottom: 16px; }
  .news-list-thumb { width: 72px; height: 48px; }
  .topbar-domain { font-size: 12px; }
  .topbar-links .divider { display: none; }
  .header-inner { height: 64px; }
  .site-header { top: 38px; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .hero-badge { font-size: 12px; }
  .compact-grid { grid-template-columns: 1fr; }
  .compact-card { display: flex; align-items: center; gap: 12px; }
  .compact-cover { width: 120px; aspect-ratio: 4/3; flex-shrink: 0; }
  .compact-body { flex: 1; padding: 12px; }
  .hot-body h3 { font-size: 17px; }
  .hero-actions .btn { padding: 12px 20px; font-size: 14px; }
}

/* roulang page: category1 */
:root {
      --bg-primary: #0A0E1A;
      --bg-secondary: #0F1526;
      --bg-deep: #070B14;
      --brand-blue: #2E7CF6;
      --neon-cyan: #00E5FF;
      --purple: #7B61FF;
      --warning: #FFC83A;
      --text-primary: #EEF2FF;
      --text-secondary: #98A2C3;
      --text-muted: #5A6486;
      --card-bg: rgba(255, 255, 255, 0.055);
      --card-border: rgba(255, 255, 255, 0.09);
      --radius-card: 16px;
      --radius-btn: 10px;
      --radius-tag: 6px;
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 12px 48px rgba(46, 124, 246, 0.18);
      --glow-blue: 0 0 24px rgba(46, 124, 246, 0.5);
      --glow-cyan: 0 0 40px rgba(0, 229, 255, 0.6);
      --font-main: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-main);
      background: var(--bg-primary);
      color: var(--text-primary);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; object-fit: cover; }
    a { color: inherit; text-decoration: none; transition: color .25s ease-out, border-color .25s ease-out, background .25s ease-out; }
    ul, ol { list-style: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
    table { width: 100%; border-collapse: collapse; }
    ::-webkit-scrollbar { width: 8px; height: 8px; }
    ::-webkit-scrollbar-track { background: var(--bg-primary); }
    ::-webkit-scrollbar-thumb { background: #2E4A7A; border-radius: 4px; }
    ::selection { background: rgba(0, 229, 255, .25); }

    .container {
      max-width: 1320px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-pad { padding: 96px 0; }
    .section-pad-sm { padding: 64px 0; }

    .section-title {
      font-size: 36px;
      font-weight: 800;
      letter-spacing: 1px;
      color: var(--text-primary);
      margin-bottom: 12px;
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-secondary);
      margin-bottom: 48px;
    }

    /* Topbar */
    .topbar {
      height: 38px;
      background: var(--bg-deep);
      border-bottom: 1px solid rgba(255,255,255,0.04);
      display: flex;
      align-items: center;
    }
    .topbar-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
    .topbar-domain { font-size: 12px; color: var(--text-muted); letter-spacing: .4px; user-select: none; }
    .topbar-links { display: flex; align-items: center; gap: 16px; }
    .topbar-links a { font-size: 13px; color: var(--text-secondary); transition: color .2s ease-out; }
    .topbar-links a:hover { color: var(--neon-cyan); }
    .topbar-divider { width: 1px; height: 12px; background: rgba(255,255,255,0.15); }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: 72px;
      background: rgba(10, 14, 26, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .header-inner { display: flex; align-items: center; height: 72px; gap: 28px; }

    .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
      width: 38px; height: 38px;
      display: flex; align-items: center; justify-content: center;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
      color: #0A0E1A;
      font-size: 16px;
      box-shadow: 0 0 18px rgba(46, 124, 246, 0.45);
    }
    .logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
    .logo-txt strong { font-size: 21px; font-weight: 800; color: #fff; letter-spacing: 1px; }
    .logo-txt small { font-size: 11px; color: var(--text-muted); letter-spacing: 2px; }

    .main-nav { flex: 1; display: flex; justify-content: center; }
    .main-nav ul { display: flex; align-items: center; gap: 4px; }
    .main-nav .nav-link {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      color: var(--text-secondary);
      border-radius: 8px;
      position: relative;
      white-space: nowrap;
    }
    .main-nav .nav-link:hover { color: var(--neon-cyan); background: rgba(255,255,255,0.04); }
    .main-nav .nav-link.active {
      color: #fff;
      font-weight: 600;
    }
    .main-nav .nav-link.active::after {
      content: "";
      position: absolute;
      left: 14px; right: 14px; bottom: 2px;
      height: 2px;
      border-radius: 2px;
      background: linear-gradient(90deg, var(--brand-blue), var(--neon-cyan));
      box-shadow: 0 0 10px rgba(0, 229, 255, .4);
    }

    .header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .search-btn {
      width: 38px; height: 38px;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      color: var(--text-secondary);
      font-size: 15px;
      transition: all .25s ease-out;
    }
    .search-btn:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); box-shadow: 0 0 12px rgba(0,229,255,.15); }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 15px;
      border-radius: var(--radius-btn);
      padding: 12px 28px;
      transition: all .3s ease-out;
      line-height: 1.4;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
      color: #081020;
      box-shadow: var(--glow-blue);
      border: none;
    }
    .btn-primary:hover {
      box-shadow: var(--glow-cyan);
      transform: translateY(-2px);
    }
    .btn-primary:active { transform: translateY(1px); box-shadow: 0 0 12px rgba(0,229,255,.3); }
    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.6);
      color: var(--text-primary);
    }
    .btn-ghost:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); box-shadow: 0 0 16px rgba(0,229,255,.12); }
    .btn-sm { padding: 8px 20px; font-size: 14px; border-radius: 8px; }
    .btn-lg { padding: 16px 40px; font-size: 17px; }

    .hamburger { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(255,255,255,.12); align-items: center; justify-content: center; color: var(--text-primary); font-size: 18px; flex-shrink: 0; transition: all .25s ease-out; }
    .hamburger:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); }

    /* Mobile drawer */
    .mobile-drawer {
      position: fixed;
      top: 0; right: -320px;
      width: 300px; height: 100vh;
      background: rgba(10,14,26,0.98);
      border-left: 1px solid rgba(255,255,255,.08);
      padding: 28px 24px;
      z-index: 200;
      transition: right .35s ease-out;
      overflow-y: auto;
    }
    .mobile-drawer.open { right: 0; }
    .drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
    .drawer-head .logo { margin: 0; }
    .drawer-close { width: 36px; height: 36px; border-radius: 8px; border: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); }
    .drawer-nav ul { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .drawer-nav .nav-link {
      display: block; padding: 12px 14px;
      border-radius: 10px;
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.06);
      font-size: 14px; color: var(--text-secondary);
      text-align: center;
      transition: all .25s ease-out;
    }
    .drawer-nav .nav-link:hover, .drawer-nav .nav-link.active { border-color: var(--neon-cyan); color: var(--neon-cyan); box-shadow: 0 0 12px rgba(0,229,255,.08); }
    .drawer-nav .drawer-full { grid-column: 1 / -1; }
    .drawer-cta { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
    .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 150; opacity: 0; visibility: hidden; transition: all .3s ease-out; }
    .drawer-overlay.open { opacity: 1; visibility: visible; }

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative;
      padding: 96px 0 72px;
      background: linear-gradient(100deg, rgba(10,14,26,0.94) 20%, rgba(10,14,26,0.72) 60%, rgba(10,14,26,0.4)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      border-bottom: 1px solid rgba(255,255,255,.05);
    }
    .page-hero::after {
      content: "";
      position: absolute; inset: 0;
      background: radial-gradient(ellipse at 80% 10%, rgba(0,229,255,0.08), transparent 50%);
      pointer-events: none;
    }
    .page-hero .container { position: relative; z-index: 2; }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }
    .breadcrumb a { color: var(--text-secondary); }
    .breadcrumb a:hover { color: var(--neon-cyan); }
    .breadcrumb i { font-size: 11px; color: var(--text-muted); }

    .page-hero h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      background: linear-gradient(90deg, #fff 20%, var(--neon-cyan) 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }
    .page-hero .hero-sub {
      font-size: 18px;
      color: var(--text-secondary);
      max-width: 640px;
      line-height: 1.8;
    }

    /* ===== News Grid Section ===== */
    .news-grid-section {
      background: var(--bg-secondary);
      padding: 96px 0;
    }

    .news-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      padding: 0 0 20px;
      overflow: hidden;
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      box-shadow: var(--shadow-card);
      transition: all .35s ease-out;
      height: 100%;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .news-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0,229,255,.35);
      box-shadow: var(--shadow-hover);
    }
    .news-card::before {
      content: "";
      position: absolute; top: 0; left: 0; right: 0; height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0,229,255,.6), transparent);
      opacity: 0; transition: opacity .3s ease-out;
    }
    .news-card:hover::before { opacity: 1; }

    .news-cover {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9;
      background-color: #1A2238;
      overflow: hidden;
    }
    .news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease-out; }
    .news-card:hover .news-cover img { transform: scale(1.05); }
    .news-cover::after {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(180deg, transparent 60%, rgba(10,14,26,.6));
    }
    .img-fallback {
      width: 100%; height: 100%;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      background: #1A2238; color: var(--text-muted); font-size: 13px; gap: 8px;
      position: absolute; inset: 0; z-index: 1;
    }
    .img-fallback i { font-size: 24px; }

    .news-badge {
      position: absolute;
      top: 12px; left: 12px;
      z-index: 2;
      height: 22px;
      padding: 0 10px;
      border-radius: var(--radius-tag);
      background: rgba(10,14,26,.8);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255,255,255,.15);
      color: var(--neon-cyan);
      font-size: 12px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      letter-spacing: .5px;
    }
    .news-badge.hot { color: var(--warning); border-color: rgba(255,200,58,.35); }

    .news-body { padding: 18px 20px 0; display: flex; flex-direction: column; flex: 1; }
    .news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
    .news-meta span { display: inline-flex; align-items: center; gap: 4px; }
    .news-meta i { font-size: 11px; color: var(--text-muted); }

    .news-title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text-primary);
      margin-bottom: 6px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color .2s ease-out;
    }
    .news-card:hover .news-title { color: var(--neon-cyan); }

    .news-excerpt {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }

    .news-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
    .tag {
      display: inline-flex;
      align-items: center;
      height: 24px;
      padding: 0 10px;
      border-radius: var(--radius-tag);
      background: rgba(46, 124, 246, .12);
      border: 1px solid rgba(46, 124, 246, .2);
      color: #7BA7FF;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: .3px;
    }
    .tag.purple { background: rgba(123, 97, 255, .12); border-color: rgba(123,97,255,.25); color: #B09FFF; }
    .tag.cyan { background: rgba(0, 229, 255, .1); border-color: rgba(0,229,255,.2); color: #66D8E8; }
    .tag.gold { background: rgba(255, 200, 58, .1); border-color: rgba(255,200,58,.2); color: #FFD166; }

    /* ===== Detail Section ===== */
    .detail-section { background: var(--bg-primary); padding: 96px 0; }

    .detail-section h2 {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 20px;
      padding-left: 18px;
      border-left: 3px solid var(--neon-cyan);
      line-height: 1.4;
    }

    .detail-section p {
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.85;
      margin-bottom: 20px;
      max-width: 860px;
    }

    .detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 40px; }
    .detail-list { margin-top: 8px; }
    .detail-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,.05);
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.6;
    }
    .detail-list li i { color: var(--neon-cyan); font-size: 14px; margin-top: 4px; flex-shrink: 0; }

    .schedule-table-wrap {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      padding: 20px;
      backdrop-filter: blur(14px);
    }
    .schedule-table-wrap h3 { font-size: 17px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
    .schedule-table { width: 100%; font-size: 14px; }
    .schedule-table th {
      text-align: left;
      padding: 10px 12px;
      color: var(--text-muted);
      font-weight: 600;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: .5px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .schedule-table td {
      padding: 12px;
      border-bottom: 1px solid rgba(255,255,255,.04);
      color: var(--text-secondary);
    }
    .schedule-table tr:last-child td { border-bottom: none; }
    .schedule-table .status-ready { color: var(--neon-cyan); font-weight: 600; }
    .schedule-table .status-live { color: var(--warning); font-weight: 700; }
    .schedule-table tr:hover td { background: rgba(255,255,255,.02); }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      padding: 80px 0;
      background: linear-gradient(120deg, rgba(123,97,255,.18), rgba(10,14,26,.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      background-blend-mode: color-dodge;
      overflow: hidden;
    }
    .cta-section::before {
      content: "";
      position: absolute; inset: 0;
      background: radial-gradient(ellipse at 20% 50%, rgba(123,97,255,.28), transparent 55%);
    }
    .cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
    .cta-content h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; }
    .cta-content p { font-size: 16px; color: rgba(238,242,255,.8); max-width: 520px; line-height: 1.8; }
    .cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

    /* ===== FAQ ===== */
    .faq-section { background: var(--bg-secondary); padding: 96px 0; }
    .faq-list { max-width: 860px; margin: 0 auto; }
    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color .3s ease-out;
    }
    .faq-item:hover { border-color: rgba(0,229,255,.2); }
    .faq-q {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      gap: 16px;
      user-select: none;
    }
    .faq-q i { color: var(--text-muted); font-size: 16px; transition: transform .3s ease-out; flex-shrink: 0; }
    .faq-item.open .faq-q i { transform: rotate(90deg); color: var(--neon-cyan); }
    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease-out;
      padding: 0 24px;
      border-left: 3px solid var(--neon-cyan);
      margin: 0 24px;
      background: transparent;
      border-radius: 0;
    }
    .faq-item.open .faq-a {
      max-height: 400px;
      padding: 4px 0 18px;
      margin-bottom: 18px;
    }
    .faq-a p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.8;
      padding-left: 0;
    }

    /* ===== Footer ===== */
    .site-footer { background: var(--bg-deep); border-top: 1px solid transparent; border-image: linear-gradient(90deg, var(--purple), var(--neon-cyan)) 1; }
    .footer-main { padding: 72px 0 48px; }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
    }
    .footer-brand .logo { margin-bottom: 20px; }
    .footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.85; margin-bottom: 20px; }
    .social-icons { display: flex; gap: 10px; }
    .social-icons a {
      width: 36px; height: 36px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.1);
      display: flex; align-items: center; justify-content: center;
      color: var(--text-secondary);
      font-size: 14px;
      transition: all .25s ease-out;
    }
    .social-icons a:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); transform: translateY(-2px); box-shadow: 0 0 14px rgba(0,229,255,.15); }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 18px;
      letter-spacing: .5px;
    }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a { font-size: 14px; color: var(--text-muted); transition: all .2s ease-out; }
    .footer-col ul a:hover { color: var(--neon-cyan); padding-left: 4px; }

    .footer-contact .domain-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: .5px; }
    .footer-contact p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin: 0; }

    .footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 22px 0; text-align: center; }
    .footer-bottom p { font-size: 13px; color: var(--text-muted); margin: 0; letter-spacing: .3px; }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
      .main-nav { display: none; }
      .hamburger { display: flex; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
      .page-hero { padding: 72px 0 56px; }
      .section-title { font-size: 28px; }
      .page-hero h1 { font-size: 36px; }
    }

    @media screen and (max-width: 768px) {
      .container { padding: 0 16px; }
      .section-pad { padding: 64px 0; }
      .detail-grid { grid-template-columns: 1fr; gap: 32px; }
      .cta-inner { flex-direction: column; align-items: flex-start; }
      .topbar-links .topbar-divider { display: none; }
      .topbar-links a:not(:first-child) { display: none; }
      .page-hero h1 { font-size: 30px; }
      .page-hero .hero-sub { font-size: 16px; }
    }

    @media screen and (max-width: 640px) {
      .btn-lg { padding: 14px 28px; font-size: 15px; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .section-title { font-size: 24px; }
      .section-sub { font-size: 14px; margin-bottom: 32px; }
      .cta-content h2 { font-size: 24px; }
      .header-actions .btn-primary { display: none; }
      .logo-txt small { display: none; }
      .page-hero { padding: 56px 0 48px; }
      .news-grid-section { padding: 64px 0 48px; }
      .detail-section { padding: 64px 0; }
      .faq-section { padding: 64px 0; }
      .footer-main { padding: 48px 0 32px; }
    }

/* roulang page: article */
:root{
  --bg-primary:#0A0E1A;
  --bg-secondary:#0F1526;
  --bg-deep:#070B14;
  --brand-blue:#2E7CF6;
  --neon-cyan:#00E5FF;
  --neon-purple:#7B61FF;
  --warning-gold:#FFC83A;
  --text-primary:#EEF2FF;
  --text-secondary:#98A2C3;
  --text-muted:#5A6486;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-border:rgba(255,255,255,0.09);
  --card-radius:16px;
  --btn-radius:10px;
  --tag-radius:6px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 12px 48px rgba(46,124,246,0.18);
  --container-width:1320px;
  --transition:all .3s ease-out;
  --font-body:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background-color:var(--bg-primary);
  color:var(--text-primary);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
button{font-family:inherit;cursor:pointer;}
ul{list-style:none;}
.container{max-width:var(--container-width);margin:0 auto;padding:0 24px;}
::selection{background:rgba(0,229,255,.25);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-primary);}
::-webkit-scrollbar-thumb{background:#2E4A7A;border-radius:6px;}
::-webkit-scrollbar-thumb:hover{background:#3D5E96;}

button:focus-visible,a:focus-visible,input:focus-visible{
  outline:2px solid var(--neon-cyan);
  outline-offset:2px;
  border-radius:4px;
}

/* ===== 按钮体系 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 32px;
  border-radius:var(--btn-radius);
  font-size:15px;
  font-weight:600;
  border:none;
  transition:var(--transition);
  line-height:1.4;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-blue),var(--neon-cyan));
  color:#0A0E1A;
  box-shadow:0 0 24px rgba(46,124,246,.5);
}
.btn-primary:hover{
  box-shadow:0 0 40px rgba(0,229,255,.6);
  transform:translateY(-2px);
  color:#0A0E1A;
}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
}
.btn-ghost:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);}
.btn-primary .btn-icon{transition:transform .3s ease;}
.btn-primary:hover .btn-icon{transform:translateX(4px);}
.btn-small{padding:8px 18px;font-size:14px;border-radius:8px;}
.btn-lg{padding:16px 38px;font-size:16px;border-radius:12px;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--neon-cyan);
  font-size:14px;
  font-weight:500;
  transition:var(--transition);
}
.text-link:hover{gap:10px;color:var(--brand-blue-hover,#5B9BFF);}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--bg-deep);
  border-bottom:1px solid rgba(255,255,255,.04);
  height:38px;
  display:flex;
  align-items:center;
  font-size:13px;
  color:var(--text-muted);
  transition:transform .3s ease,height .3s ease;
  overflow:hidden;
  position:relative;
  z-index:250;
}
.topbar.hidden{transform:translateY(-100%);height:0;border-bottom:none;}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  font-variant-numeric:tabular-nums;
}
.topbar-links{display:flex;gap:20px;}
.topbar-links a{color:var(--text-secondary);font-size:13px;transition:var(--transition);}
.topbar-links a:hover{color:var(--neon-cyan);}

/* ===== 主导航 ===== */
.main-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(10,14,26,.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,.06);
  height:72px;
  display:flex;
  align-items:center;
}
.main-header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  height:100%;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-icon{
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--brand-blue),var(--neon-cyan));
  border-radius:10px;
  color:#0A0E1A;
  box-shadow:0 0 20px rgba(46,124,246,.4);
  transition:var(--transition);
}
.logo:hover .logo-icon{transform:rotate(-6deg) scale(1.05);}
.logo-txt{display:flex;flex-direction:column;line-height:1.2;}
.logo-txt strong{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px;}
.logo-txt small{font-size:11px;color:var(--text-muted);letter-spacing:1px;margin-top:2px;}

.main-nav ul{
  display:flex;
  align-items:center;
  gap:2px;
}
.main-nav .nav-link{
  display:inline-block;
  padding:9px 15px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--text-secondary);
  font-weight:500;
  position:relative;
  transition:var(--transition);
}
.main-nav .nav-link:hover{color:var(--neon-cyan);background:rgba(0,229,255,.06);}
.main-nav .nav-link.active{color:#fff;font-weight:600;}
.main-nav .nav-link.active::after{
  content:'';
  position:absolute;
  bottom:-4px;
  left:15px;
  right:15px;
  height:2px;
  background:linear-gradient(90deg,var(--brand-blue),var(--neon-cyan));
  border-radius:2px;
  box-shadow:0 0 12px rgba(0,229,255,.5);
}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  border-radius:10px;
  color:var(--text-secondary);
  font-size:14px;
  transition:var(--transition);
  display:flex;align-items:center;justify-content:center;
}
.icon-btn:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:0 0 16px rgba(0,229,255,.15);}
.btn-cta{padding:10px 24px;font-size:14px;}

.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width:38px;height:38px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.menu-toggle span{width:18px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition);}
.menu-toggle:hover{border-color:var(--neon-cyan);}
.nav-overlay{
  position:fixed;
  inset:0;
  background:rgba(10,14,26,.7);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
  z-index:180;
}
.nav-overlay.active{opacity:1;pointer-events:auto;}

/* ===== 面包屑 ===== */
.breadcrumb{padding:32px 0 0;}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--neon-cyan);}
.breadcrumb .sep{color:var(--text-muted);opacity:.5;}
.breadcrumb .current{color:var(--text-primary);font-weight:500;}

/* ===== 文章头部 ===== */
.article-head{padding:28px 0 0;}
.article-title{
  font-size:38px;
  font-weight:800;
  line-height:1.3;
  color:#fff;
  letter-spacing:-.5px;
  max-width:880px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  margin-top:20px;
  padding-bottom:20px;
  border-bottom:1px solid var(--glass-border);
  font-size:14px;
  color:var(--text-secondary);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.meta-item i{color:var(--neon-cyan);font-size:13px;}
.category-badge{
  background:linear-gradient(135deg,rgba(123,97,255,.2),rgba(0,229,255,.15));
  border:1px solid rgba(123,97,255,.35);
  padding:2px 12px;
  border-radius:var(--tag-radius);
  font-size:13px;
  color:#C9B8FF;
  font-weight:500;
}
.article-hero-img{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--glass-border);
  margin-top:32px;
  position:relative;
  box-shadow:var(--shadow-card);
}
.article-hero-img img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-hero-img::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(10,14,26,.35));
  pointer-events:none;
}

/* ===== 文章主体布局 ===== */
.article-section{padding:56px 0 96px;background:var(--bg-primary);}
.article-layout{
  display:grid;
  grid-template-columns:220px minmax(0,780px);
  justify-content:center;
  gap:48px;
  align-items:start;
}
.article-layout.no-toc{grid-template-columns:minmax(0,780px);}

.article-toc{
  position:sticky;
  top:96px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--card-radius);
  padding:20px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:var(--transition);
}
.article-toc:hover{border-color:rgba(0,229,255,.2);}
.toc-inner h3{
  font-size:14px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:12px;
  padding-bottom:10px;
  border-bottom:1px solid var(--glass-border);
  letter-spacing:1px;
}
#article-toc li{margin-bottom:4px;}
#article-toc a{
  display:block;
  padding:6px 10px;
  font-size:13px;
  color:var(--text-secondary);
  border-radius:6px;
  border-left:2px solid transparent;
  transition:var(--transition);
  line-height:1.45;
}
#article-toc a:hover{
  color:var(--neon-cyan);
  background:rgba(0,229,255,.05);
  border-left-color:var(--neon-cyan);
}
#article-toc a.active{
  color:var(--neon-cyan);
  border-left-color:var(--neon-cyan);
  background:rgba(0,229,255,.08);
  font-weight:500;
}
#article-toc li.toc-sub a{padding-left:22px;font-size:12px;}

.article-main{min-width:0;}

/* ===== 正文排版 ===== */
.article-content{
  font-size:16px;
  line-height:1.9;
  color:var(--text-secondary);
}
.article-content h2{
  font-size:26px;
  font-weight:700;
  color:#fff;
  margin:48px 0 16px;
  padding-top:8px;
  border-bottom:1px solid rgba(255,255,255,.06);
  padding-bottom:10px;
}
.article-content h3{
  font-size:20px;
  font-weight:600;
  color:#EEF2FF;
  margin:32px 0 12px;
}
.article-content h4{
  font-size:17px;
  font-weight:600;
  color:#EEF2FF;
  margin:24px 0 10px;
}
.article-content p{margin-bottom:24px;}
.article-content a{color:var(--neon-cyan);}
.article-content a:hover{text-decoration:underline;}
.article-content ul,.article-content ol{
  margin:0 0 24px 20px;
  list-style:disc;
}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:8px;padding-left:4px;}
.article-content blockquote{
  border-left:4px solid var(--neon-cyan);
  background:rgba(0,229,255,.05);
  border-radius:0 12px 12px 0;
  padding:16px 24px;
  margin:24px 0;
  color:var(--text-primary);
}
.article-content blockquote p{margin-bottom:0;}
.article-content img{border-radius:14px;margin:8px 0 28px;box-shadow:var(--shadow-card);}
.article-content figure{margin:24px 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--text-muted);
  text-align:center;
  margin-top:-16px;
  margin-bottom:24px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
  border-radius:8px;
  overflow:hidden;
}
.article-content th{
  background:rgba(46,124,246,.15);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  border:1px solid var(--glass-border);
}
.article-content td{
  padding:12px 16px;
  border:1px solid var(--glass-border);
  color:var(--text-secondary);
}
.article-content tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.article-content code{
  background:rgba(0,229,255,.08);
  color:var(--neon-cyan);
  padding:2px 6px;
  border-radius:4px;
  font-size:14px;
  font-family:Consolas,Monaco,monospace;
}
.article-content pre{
  background:#121A2E;
  border:1px solid var(--glass-border);
  border-radius:12px;
  padding:20px;
  overflow-x:auto;
  margin:24px 0;
}
.article-content pre code{background:transparent;padding:0;color:var(--text-primary);}
.article-content hr{
  border:none;height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-border),transparent);
  margin:40px 0;
}

/* ===== 空状态 ===== */
.article-empty{
  padding:80px 40px;
  text-align:center;
  background:var(--glass-bg);
  border:1px dashed var(--glass-border);
  border-radius:var(--card-radius);
}
.article-empty .empty-icon{
  width:72px;height:72px;
  margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,124,246,.12);
  border-radius:50%;
  color:var(--brand-blue);
  font-size:28px;
}
.article-empty h2{color:#fff;font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--text-secondary);margin-bottom:24px;max-width:360px;margin-left:auto;margin-right:auto;}

/* ===== 文章标签 ===== */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--glass-border);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--tag-radius);
  font-size:13px;
  color:var(--text-secondary);
  transition:var(--transition);
}
.tag:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);transform:translateY(-1px);}

/* ===== 相关推荐 ===== */
.related-section{padding:20px 0 96px;background:var(--bg-primary);}
.back-link-wrap{margin-bottom:20px;}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--text-secondary);
  font-size:14px;
  font-weight:500;
  transition:var(--transition);
}
.back-link:hover{color:var(--neon-cyan);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:36px;
  gap:20px;
}
.section-head.center{justify-content:center;text-align:center;}
.section-title{
  font-size:30px;
  font-weight:800;
  color:#fff;
  line-height:1.3;
  letter-spacing:-.3px;
}
.section-subtitle{
  font-size:14px;
  color:var(--text-muted);
  margin-top:8px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--card-radius);
  overflow:hidden;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.related-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,255,.35);
  box-shadow:var(--shadow-hover);
}
.related-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.related-card:hover .related-cover img{transform:scale(1.05);}
.related-cover::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,14,26,.75));
  pointer-events:none;
}
.related-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.related-body h3{
  font-size:17px;
  font-weight:600;
  color:#fff;
  line-height:1.45;
  margin-bottom:12px;
  transition:var(--transition);
}
.related-card:hover .related-body h3{color:var(--neon-cyan);}
.related-info{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-muted);
  margin-top:auto;
}
.related-info .badge{
  display:inline-flex;
  align-items:center;
  padding:2px 10px;
  background:rgba(0,229,255,.1);
  border:1px solid rgba(0,229,255,.2);
  border-radius:var(--tag-radius);
  color:var(--neon-cyan);
  font-size:12px;
  font-weight:500;
}

/* ===== FAQ ===== */
.faq-section{padding:96px 0;background:var(--bg-secondary);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04);}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(0,229,255,.25);}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text-primary);
  cursor:pointer;
  background:none;
  border:none;
  width:100%;
  text-align:left;
  transition:var(--transition);
}
.faq-question:hover{color:var(--neon-cyan);}
.faq-question .faq-icon{
  transition:transform .3s ease;
  color:var(--neon-cyan);
  font-size:14px;
  flex-shrink:0;
}
.faq-item.active .faq-icon{transform:rotate(90deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease-out;}
.faq-answer-inner{
  padding:0 24px 20px;
  border-left:3px solid var(--neon-cyan);
  margin-left:24px;
  padding-left:16px;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{padding:96px 0;}
.cta-box{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  padding:64px 48px;
  background:
    radial-gradient(circle at 80% 20%,rgba(123,97,255,.3),transparent 50%),
    radial-gradient(circle at 15% 85%,rgba(0,229,255,.15),transparent 45%),
    linear-gradient(135deg,#0F1526,#121A2E);
  border:1px solid var(--glass-border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-box::before{
  content:'';
  position:absolute;
  top:0;left:10%;right:10%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--neon-cyan),transparent);
  opacity:.5;
}
.cta-box h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:12px;line-height:1.3;}
.cta-box p{color:var(--text-secondary);max-width:480px;margin-bottom:24px;font-size:16px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);
  position:relative;
  border-top:1px solid rgba(255,255,255,.04);
}
.site-footer::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,var(--neon-purple),var(--neon-cyan),transparent);
}
.footer-main{padding:64px 0 40px;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-secondary);line-height:1.75;margin-bottom:20px;max-width:340px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-secondary);transition:var(--transition);}
.footer-col ul a:hover{color:var(--neon-cyan);padding-left:4px;}
.footer-contact .domain-text{
  font-size:14px;
  color:var(--text-muted);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
  margin-bottom:8px;
}
.footer-contact p{font-size:14px;color:var(--text-secondary);line-height:1.7;}
.social-icons{display:flex;gap:12px;margin-top:4px;}
.social-icons a{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:8px;
  color:var(--text-secondary);
  transition:var(--transition);
}
.social-icons a:hover{
  color:var(--neon-cyan);
  border-color:var(--neon-cyan);
  transform:translateY(-2px);
  box-shadow:0 0 16px rgba(0,229,255,.15);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:var(--text-muted);
}

/* ===== 搜索浮层 ===== */
.search-overlay{
  position:fixed;
  inset:0;
  z-index:300;
  background:rgba(7,11,20,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  display:flex;
  align-items:flex-start;
  justify-content:center;
  padding:140px 24px 24px;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
}
.search-overlay.active{opacity:1;pointer-events:auto;}
.search-overlay-inner{width:100%;max-width:640px;}
.search-form{display:flex;gap:10px;}
.search-form input{
  flex:1;
  padding:14px 20px;
  border-radius:10px;
  border:1px solid var(--glass-border);
  background:var(--bg-secondary);
  color:#fff;
  font-size:15px;
  outline:none;
  transition:var(--transition);
}
.search-form input:focus{border-color:var(--neon-cyan);box-shadow:0 0 20px rgba(0,229,255,.1);}
.search-form input::placeholder{color:var(--text-muted);}
.search-close{
  position:fixed;
  top:30px;right:30px;
  width:42px;height:42px;
  background:none;
  border:1px solid var(--glass-border);
  border-radius:10px;
  color:var(--text-secondary);
  font-size:20px;
  transition:var(--transition);
}
.search-close:hover{color:var(--neon-cyan);border-color:var(--neon-cyan);}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,780px);gap:0;}
  .article-toc{display:none;}
}

@media (max-width:1024px){
  .main-nav{
    position:fixed;
    top:0;
    right:-340px;
    width:320px;
    height:100vh;
    background:var(--bg-secondary);
    border-left:1px solid var(--glass-border);
    padding:84px 24px 32px;
    transition:right .35s ease-out;
    z-index:220;
    overflow-y:auto;
    box-shadow:-20px 0 60px rgba(0,0,0,.5);
  }
  .main-nav.open{right:0;}
  .main-nav ul{flex-direction:column;gap:6px;}
  .main-nav .nav-link{font-size:15.5px;padding:12px 16px;width:100%;display:block;}
  .main-nav .nav-link.active::after{left:16px;right:auto;bottom:8px;width:28px;top:auto;}
  .menu-toggle{display:flex;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-box{flex-direction:column;text-align:center;padding:48px 32px;}
  .cta-box p{margin-left:auto;margin-right:auto;}
  .cta-actions{justify-content:center;}
  .article-title{font-size:32px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .topbar{height:auto;padding:4px 0;}
  .topbar-inner{flex-direction:column;gap:2px;font-size:12px;}
  .topbar-links{gap:14px;}
  .header-actions .btn-cta{display:none;}
  .icon-btn.search-btn{display:none;}
  .menu-toggle{margin-left:4px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section-title{font-size:24px;}
  .article-title{font-size:28px;}
  .article-meta{font-size:13px;gap:10px 16px;}
  .breadcrumb{padding:20px 0 0;}
  .article-hero-img{margin-top:20px;}
  .article-section{padding:36px 0 64px;}
  .related-section{padding:0 0 64px;}
  .faq-section{padding:64px 0;}
  .cta-section{padding:64px 0;}
  .cta-box{padding:36px 24px;border-radius:18px;}
  .cta-box h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .article-content h2{font-size:22px;margin-top:36px;}
  .article-content h3{font-size:18px;margin-top:28px;}
  .back-link-wrap{margin-bottom:16px;}
  .footer-bottom{font-size:12px;padding:16px 0;}
}

@media (max-width:640px){
  .article-title{font-size:24px;}
  .faq-question{font-size:15px;padding:14px 16px;}
  .faq-answer-inner{padding:0 16px 16px;margin-left:14px;padding-left:14px;font-size:14px;}
  .tag{padding:5px 10px;font-size:12px;}
  .article-empty{padding:56px 20px;}
  .search-form{flex-direction:column;}
  .search-close{top:20px;right:16px;}
  .related-body{padding:16px;}
  .related-body h3{font-size:15px;}
  .social-icons{flex-wrap:wrap;}
}

@media (max-width:520px){
  .logo-txt strong{font-size:18px;}
  .logo-icon{width:34px;height:34px;border-radius:8px;}
  .main-nav{width:280px;right:-300px;}
  .section-head{margin-bottom:24px;}
  .cta-actions .btn{padding:12px 20px;font-size:14px;}
  .breadcrumb-inner{font-size:13px;gap:6px;}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --bg-main: #0A0E1A;
  --bg-alt: #0F1526;
  --bg-deep: #070B14;
  --brand: #2E7CF6;
  --accent: #00E5FF;
  --purple: #7B61FF;
  --warning: #FFC83A;
  --danger: #FF5A5A;
  --text-main: #EEF2FF;
  --text-secondary: #98A2C3;
  --text-muted: #5A6486;
  --card-bg: rgba(255,255,255,0.055);
  --card-border: rgba(255,255,255,0.09);
  --glass-blur: blur(14px);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 6px;
  --radius-hero: 20px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 48px rgba(46,124,246,0.18);
  --shadow-btn: 0 0 24px rgba(46,124,246,0.5);
  --shadow-btn-hover: 0 0 40px rgba(0,229,255,0.6);
  --font-family: "PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --space-section: 96px;
  --space-section-mobile: 64px;
  --transition: 0.25s ease-out;
}
/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-family);
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }
h1,h2,h3,h4,h5 { line-height: 1.3; font-weight: 700; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: #2E4A7A; border-radius: 4px; }

/* ===== 容器 ===== */
.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.row { max-width: 1320px; margin: 0 auto; }

/* ===== 顶部信息条 ===== */
.top-bar {
  height: 38px;
  background: var(--bg-deep);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 200;
  transition: opacity 0.3s ease;
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.top-bar .domain-text {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.top-actions a {
  font-size: 13px;
  color: var(--text-secondary);
}
.top-actions a:hover { color: var(--accent); }
.top-actions a + a::before {
  content: "";
  display: none;
}

/* ===== 主导航 ===== */
.site-header {
  position: sticky;
  top: 38px;
  z-index: 150;
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #041018;
  box-shadow: 0 0 20px rgba(46,124,246,0.35);
}
.logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
.logo-txt strong {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.logo-txt small {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 2px;
}
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav .nav-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-tag);
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.main-nav .nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--brand));
  border-radius: 2px;
  transition: width 0.3s ease-out;
}
.main-nav .nav-link:hover {
  color: var(--accent);
  background: rgba(0,229,255,0.06);
}
.main-nav .nav-link:hover::after { width: 60%; }
.main-nav .nav-link.active {
  color: var(--accent);
  background: rgba(0,229,255,0.08);
}
.main-nav .nav-link.active::after {
  width: 100%;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.search-btn:hover {
  color: var(--accent);
  border-color: rgba(0,229,255,0.5);
  box-shadow: 0 0 12px rgba(0,229,255,0.2);
}
.hamburger {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  align-items: center;
  justify-content: center;
}
.hamburger i { font-size: 16px; color: var(--text-secondary); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  transition: all 0.3s ease-out;
  border: none;
  line-height: 1.4;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #041018;
  box-shadow: var(--shadow-btn);
  font-weight: 700;
}
.btn-primary:hover {
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
  color: #041018;
}
.btn-primary:active { transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.7);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.15);
}
.btn-sm { padding: 10px 24px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ===== 页面 Hero ===== */
.page-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7,11,20,0.94) 0%, rgba(10,14,26,0.75) 55%, rgba(10,14,26,0.35) 100%);
}
.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(0deg, var(--bg-main) 0%, transparent 100%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: 80px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .separator { color: #3a4560; }
.breadcrumb .current { color: var(--accent); }
.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.page-hero h1 span {
  background: linear-gradient(90deg, var(--accent), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero .hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.6;
}
.page-hero .hero-tag-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-hero .hero-tag-row .tag {
  background: rgba(0,229,255,0.12);
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-tag);
  background: rgba(255,255,255,0.08);
  color: var(--text-secondary);
  line-height: 1.4;
}
.tag-accent {
  background: rgba(0,229,255,0.12);
  color: var(--accent);
  border: 1px solid rgba(0,229,255,0.25);
}
.tag-warning {
  background: rgba(255,200,58,0.14);
  color: var(--warning);
  border: 1px solid rgba(255,200,58,0.25);
}
.tag-purple {
  background: rgba(123,97,255,0.14);
  color: #B5A6FF;
  border: 1px solid rgba(123,97,255,0.25);
}

/* ===== 区块通用 ===== */
.section {
  padding: var(--space-section) 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.3;
}
.section-head p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 8px;
}
.section-head .link-more {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.section-head .link-more i { transition: transform var(--transition); }
.section-head .link-more:hover i { transform: translateX(4px); }

/* ===== 战队卡片网格 ===== */
.team-grid .columns { margin-bottom: 24px; }
.team-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease-out;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,229,255,0.35);
}
.team-card .card-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.team-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease-out;
}
.team-card:hover .card-cover img { transform: scale(1.04); }
.team-card .card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(10,14,26,0.75) 100%);
}
.team-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.25);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  letter-spacing: 0.5px;
}
.team-card .card-cover .tag {
  position: absolute;
  top: 16px;
  right: 14px;
  z-index: 2;
}
.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}
.card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: var(--text-muted);
}
.card-meta .players { color: var(--accent); }
.card-meta i { margin-right: 4px; }
.card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===== 详细正文区 ===== */
.detail-section {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.detail-inner {
  max-width: 900px;
  margin: 0 auto;
}
.detail-inner h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 20px;
  position: relative;
  padding-left: 18px;
}
.detail-inner h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--purple));
}
.detail-inner h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text-main);
}
.detail-inner p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}
.detail-inner ul {
  margin: 16px 0 24px;
  padding-left: 20px;
}
.detail-inner ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.detail-inner ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
}

/* ===== CTA 区块 ===== */
.cta-section {
  padding: var(--space-section) 0;
  position: relative;
  overflow: hidden;
}
.cta-purple {
  background: linear-gradient(120deg, #141024 0%, #1D1538 50%, #0F1526 100%);
  border-top: 1px solid rgba(123,97,255,0.2);
  border-bottom: 1px solid rgba(123,97,255,0.1);
}
.cta-purple::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123,97,255,0.35) 0%, transparent 70%);
  pointer-events: none;
}
.cta-purple::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,229,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-content { flex: 1; min-width: 280px; }
.cta-content h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-content p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 520px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== FAQ 区块 ===== */
.faq-section {
  padding: var(--space-section) 0;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: rgba(0,229,255,0.25); }
.faq-item.open { border-color: rgba(0,229,255,0.4); }
.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  background: transparent;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question i {
  color: var(--text-muted);
  font-size: 14px;
  transition: transform 0.3s ease-out;
  flex-shrink: 0;
}
.faq-item.open .faq-question i { transform: rotate(90deg); color: var(--accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  border-left: 3px solid var(--accent);
  margin-left: 24px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), var(--accent), transparent);
}
.footer-main { padding: 64px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 360px;
}
.social-icons { display: flex; gap: 12px; }
.social-icons a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 15px;
  transition: all var(--transition);
}
.social-icons a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.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: linear-gradient(90deg, var(--accent), transparent);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-contact .domain-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 600;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 移动端菜单抽屉 ===== */
@media screen and (max-width: 1024px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background: rgba(10,14,26,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255,255,255,0.08);
    padding: 100px 24px 40px;
    transition: right 0.35s ease-out;
    z-index: 300;
    display: block;
  }
  .main-nav.open { right: 0; }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav .nav-link {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    border-radius: 8px;
  }
  .main-nav .nav-link.active {
    background: rgba(0,229,255,0.1);
  }
  .main-nav .nav-link::after { display: none; }
  .header-actions .btn-sm { display: none; }
  .top-bar .top-actions a:first-child { display: none; }
  .top-bar .top-actions { gap: 12px; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .page-hero h1 { font-size: 36px; }
  .section { padding: var(--space-section-mobile) 0; }
  .section-head h2 { font-size: 24px; }
  .cta-content h2 { font-size: 24px; }
}

@media screen and (max-width: 768px) {
  .container { padding: 0 16px; }
  .page-hero { min-height: 400px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero .hero-desc { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .team-grid .columns { padding: 0 8px; }
  .detail-inner h2 { font-size: 22px; }
}

@media screen and (max-width: 520px) {
  .page-hero { min-height: 380px; }
  .page-hero h1 { font-size: 26px; }
  .page-hero .hero-tag-row { gap: 8px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cta-content h2 { font-size: 22px; }
  .faq-question { font-size: 14px; padding: 16px 18px; }
  .faq-answer p { margin-left: 16px; padding: 0 16px 16px; }
  .top-bar .domain-text { font-size: 11px; }
  .top-actions a { font-size: 12px; }
  .footer-main { padding: 48px 0 24px; }
}

/* ===== 无障碍焦点 ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* roulang page: category3 */
/* ============================================
   一竞技官网 · 教学攻略分类页 自定义视觉系统
   ============================================ */
:root{
  --bg-primary:#0A0E1A;
  --bg-secondary:#0F1526;
  --bg-deep:#070B14;
  --bg-elevated:rgba(255,255,255,0.055);
  --brand-primary:#2E7CF6;
  --accent-cyan:#00E5FF;
  --accent-purple:#7B61FF;
  --accent-gold:#FFC83A;
  --text-main:#EEF2FF;
  --text-sub:#98A2C3;
  --text-muted:#5A6486;
  --border-light:rgba(255,255,255,0.09);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 12px 48px rgba(46,124,246,0.18);
  --shadow-cyan:0 0 24px rgba(46,124,246,0.5);
  --shadow-cyan-hover:0 0 40px rgba(0,229,255,0.6);
  --font-main:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --container-max:1320px;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:var(--bg-primary);
  color:var(--text-main);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--accent-cyan);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent-cyan);}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}

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

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-primary);}
::-webkit-scrollbar-thumb{background:#2E4A7A;border-radius:6px;}
::-webkit-scrollbar-thumb:hover{background:#3A5A94;}

/* ===== 顶部信息条 ===== */
.top-bar-info{
  background:var(--bg-deep);
  height:38px;
  display:flex;
  align-items:center;
  font-size:13px;
  color:var(--text-sub);
  border-bottom:1px solid rgba(255,255,255,0.04);
  position:sticky;
  top:0;
  z-index:1001;
  transition:transform .3s ease;
}
.top-bar-info .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  width:100%;
}
.top-bar-info .domain-text{color:var(--text-muted);letter-spacing:.5px;}
.top-bar-links{display:flex;gap:20px;}
.top-bar-links a{color:var(--text-sub);font-size:13px;transition:color .2s;}
.top-bar-links a:hover{color:var(--accent-cyan);}
.top-bar-info.hidden{transform:translateY(-100%);}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;
  top:38px;
  z-index:1000;
  height:72px;
  background:rgba(10,14,26,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:top .3s ease;
}
.site-header.header-fixed{top:0;}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
  height:100%;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-main);
}
.logo-icon{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--brand-primary),var(--accent-cyan));
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:#0A0E1A;
  box-shadow:0 0 16px rgba(46,124,246,0.4);
}
.logo-txt{display:flex;flex-direction:column;line-height:1.2;}
.logo-txt strong{font-size:18px;font-weight:800;letter-spacing:1px;}
.logo-txt small{font-size:11px;color:var(--text-sub);letter-spacing:1px;}

.main-nav ul{
  display:flex;
  gap:4px;
  align-items:center;
}
.main-nav .nav-link{
  display:block;
  padding:8px 16px;
  color:var(--text-sub);
  font-size:14px;
  font-weight:500;
  border-radius:8px;
  position:relative;
  transition:color .25s,background .25s;
}
.main-nav .nav-link::after{
  content:"";
  position:absolute;
  bottom:0;left:50%;
  transform:translateX(-50%);
  width:0;height:2px;
  background:linear-gradient(90deg,var(--brand-primary),var(--accent-cyan));
  border-radius:2px;
  transition:width .3s ease;
}
.main-nav .nav-link:hover{color:var(--text-main);}
.main-nav .nav-link:hover::after{width:60%;}
.main-nav .nav-link.active{color:var(--accent-cyan);font-weight:600;}
.main-nav .nav-link.active::after{width:100%;}

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.icon-btn{
  width:38px;height:38px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border-light);
  transition:all .25s;
}
.icon-btn:hover{color:var(--accent-cyan);border-color:rgba(0,229,255,0.4);box-shadow:0 0 12px rgba(0,229,255,0.15);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 32px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  transition:all .3s ease;
  border:none;
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-primary),var(--accent-cyan));
  color:#0A0E1A;
  box-shadow:var(--shadow-cyan);
}
.btn-primary:hover{
  box-shadow:var(--shadow-cyan-hover);
  transform:translateY(-2px);
  color:#0A0E1A;
}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;
  color:var(--text-main);
  border:1px solid rgba(255,255,255,0.35);
  box-shadow:none;
}
.btn-outline:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);}
.btn-sm{padding:9px 20px;font-size:13px;border-radius:8px;}
.btn-lg{padding:16px 40px;font-size:16px;}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  width:38px;height:38px;
  padding:8px;
  background:rgba(255,255,255,0.05);
  border-radius:10px;
  border:1px solid var(--border-light);
}
.hamburger span{
  display:block;height:2px;width:100%;
  background:var(--text-main);
  border-radius:2px;
  transition:all .3s;
}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.active span:nth-child(2){opacity:0;}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  padding:96px 0 88px;
  background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,14,26,0.95) 0%,rgba(10,14,26,0.8) 55%,rgba(10,14,26,0.35) 100%);
  z-index:-1;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(ellipse at 80% 30%,rgba(46,124,246,0.12) 0%,transparent 60%);
  z-index:-1;
}
.hero-inner{
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:28px;
  font-size:14px;
  color:var(--text-sub);
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--accent-cyan);}
.breadcrumb i{font-size:11px;color:var(--text-muted);}
.breadcrumb .current{color:var(--accent-cyan);}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  background:rgba(0,229,255,0.1);
  border:1px solid rgba(0,229,255,0.25);
  border-radius:6px;
  color:var(--accent-cyan);
  font-size:13px;
  font-weight:500;
  margin-bottom:24px;
  letter-spacing:.5px;
}
.hero-badge svg{width:16px;height:16px;}
.page-hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.25;
  margin-bottom:18px;
  letter-spacing:1px;
  color:var(--text-main);
}
.page-hero h1 .accent{
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.page-hero .lead{
  font-size:18px;
  line-height:1.8;
  color:var(--text-sub);
  max-width:640px;
  margin-bottom:36px;
}
.hero-cta{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.hero-stats{
  display:flex;
  gap:24px;
  margin-top:48px;
  flex-wrap:wrap;
}
.stat-item{
  background:var(--bg-elevated);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:16px 28px;
  min-width:140px;
}
.stat-item .num{
  font-size:28px;
  font-weight:800;
  color:var(--accent-cyan);
  font-variant-numeric:tabular-nums;
}
.stat-item .label{font-size:13px;color:var(--text-sub);margin-top:4px;}

/* ===== 通用板块 ===== */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--bg-secondary);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:40px;
  gap:20px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:32px;
  font-weight:800;
  line-height:1.3;
}
.section-head h2 .accent{
  color:var(--accent-cyan);
}
.section-head .sub{
  color:var(--text-sub);
  font-size:15px;
  margin-top:8px;
}
.section-link{
  color:var(--accent-cyan);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
}
.section-link i{margin-left:4px;transition:transform .3s;}
.section-link:hover i{transform:translateX(4px);}

/* ===== 特色卡片 ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.feature-card{
  background:var(--bg-elevated);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:36px 28px;
  position:relative;
  overflow:hidden;
  transition:all .3s ease;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
  opacity:0;
  transition:opacity .3s;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(0,229,255,0.35);
}
.feature-card:hover::before{opacity:1;}
.feature-card .icon{
  width:52px;height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(46,124,246,0.2),rgba(0,229,255,0.15));
  display:flex;align-items:center;justify-content:center;
  color:var(--accent-cyan);
  font-size:22px;
  margin-bottom:20px;
  border:1px solid rgba(0,229,255,0.2);
}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.feature-card p{color:var(--text-sub);font-size:14px;line-height:1.7;}

/* ===== 攻略卡片区 ===== */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.guide-card{
  background:var(--bg-elevated);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .3s ease;
  display:flex;
  flex-direction:column;
}
.guide-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(0,229,255,0.35);
}
.guide-card .cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.guide-card .cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.guide-card:hover .cover img{transform:scale(1.05);}
.guide-card .cover-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(10,14,26,0.85) 100%);
}
.guide-card .cover .category-tag{
  position:absolute;
  top:14px;left:14px;
  background:rgba(10,14,26,0.7);
  backdrop-filter:blur(8px);
  color:var(--accent-cyan);
  font-size:12px;
  padding:4px 12px;
  border-radius:6px;
  border:1px solid rgba(0,229,255,0.25);
}
.guide-card .body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.guide-card .body h3{font-size:18px;font-weight:700;line-height:1.45;}
.guide-card .body p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.65;
}
.guide-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-sub);
  margin-top:auto;
  flex-wrap:wrap;
}
.difficulty-tag{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:3px 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
}
.difficulty-new{background:rgba(0,229,255,0.12);color:var(--accent-cyan);border:1px solid rgba(0,229,255,0.25);}
.difficulty-mid{background:rgba(123,97,255,0.15);color:#B9A6FF;border:1px solid rgba(123,97,255,0.3);}
.difficulty-high{background:rgba(255,200,58,0.12);color:var(--accent-gold);border:1px solid rgba(255,200,58,0.25);}
.duration-tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  color:var(--text-sub);
}
.duration-tag i{font-size:12px;}
.guide-card .footer{
  padding:14px 22px;
  border-top:1px solid var(--border-light);
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.stream-num{font-size:13px;color:var(--text-muted);}
.stream-num i{color:var(--accent-gold);margin-right:4px;}
.guide-link{
  color:var(--accent-cyan);
  font-size:13px;
  font-weight:500;
}
.guide-link i{margin-left:4px;transition:transform .3s;}
.guide-link:hover i{transform:translateX(4px);}

/* ===== 场景区 ===== */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.scene-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  transition:all .3s;
}
.scene-card:hover{
  transform:translateY(-3px);
  border-color:rgba(123,97,255,0.4);
  box-shadow:0 12px 48px rgba(123,97,255,0.12);
}
.scene-card .badge{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
  margin-bottom:18px;
  background:linear-gradient(135deg,rgba(123,97,255,0.2),rgba(0,229,255,0.12));
  color:var(--accent-purple);
  border:1px solid rgba(123,97,255,0.25);
}
.scene-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.scene-card p{color:var(--text-sub);font-size:14px;line-height:1.7;}

/* ===== 深化正文区 ===== */
.insight-section{
  background:linear-gradient(180deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);
  padding:80px 0;
}
.insight-grid{
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:48px;
  align-items:center;
}
.insight-content h2{
  font-size:30px;
  font-weight:800;
  margin-bottom:22px;
  line-height:1.35;
}
.insight-content h3{
  font-size:19px;
  font-weight:700;
  margin:26px 0 12px;
  color:var(--accent-cyan);
}
.insight-content p{
  color:var(--text-sub);
  line-height:1.9;
  margin-bottom:14px;
  font-size:15px;
}
.insight-content ul{margin-top:10px;}
.insight-content ul li{
  color:var(--text-sub);
  padding-left:22px;
  position:relative;
  line-height:1.8;
  margin-bottom:10px;
}
.insight-content ul li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:8px;height:8px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));
}
.insight-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:440px;
  border:1px solid var(--border-light);
}
.insight-visual img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.insight-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(10,14,26,0.6) 0%,transparent 70%);
}
.insight-visual .overlay-text{
  position:absolute;
  bottom:24px;left:24px;right:24px;
  z-index:1;
}
.insight-visual .overlay-text strong{
  font-size:18px;
  display:block;
  margin-bottom:6px;
}
.insight-visual .overlay-text span{
  font-size:13px;
  color:var(--text-sub);
}

/* ===== 流程区 ===== */
.process-section{
  padding:var(--space-section) 0;
  background:var(--bg-secondary);
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.process-step{
  position:relative;
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:32px 24px;
  transition:all .3s;
  counter-increment:step;
}
.process-step:hover{
  transform:translateY(-4px);
  border-color:rgba(0,229,255,0.35);
  box-shadow:var(--shadow-hover);
}
.process-step .step-num{
  font-size:36px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px var(--accent-cyan);
  opacity:.6;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.process-step::before{
  content:"0" counter(step);
  position:absolute;
  top:14px;right:18px;
  font-size:15px;
  font-weight:800;
  color:var(--accent-cyan);
  background:rgba(0,229,255,0.1);
  padding:4px 10px;
  border-radius:6px;
}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.process-step p{color:var(--text-sub);font-size:14px;line-height:1.65;}

/* ===== FAQ ===== */
.faq-section{padding:var(--space-section) 0;}
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s;
}
.faq-item.open{border-color:rgba(0,229,255,0.35);}
.faq-item__question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text-main);
  transition:color .2s;
}
.faq-item__question:hover{color:var(--accent-cyan);}
.faq-item__question i{
  color:var(--text-muted);
  transition:transform .3s,color .3s;
  flex-shrink:0;
}
.faq-item.open .faq-item__question i{
  transform:rotate(90deg);
  color:var(--accent-cyan);
}
.faq-item__answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
  padding:0 24px;
  color:var(--text-sub);
  line-height:1.8;
  font-size:14px;
  border-left:4px solid transparent;
}
.faq-item.open .faq-item__answer{
  max-height:300px;
  padding-bottom:20px;
  border-left-color:var(--accent-cyan);
}

/* ===== CTA ===== */
.cta-section{
  padding:80px 0;
  position:relative;
  background:linear-gradient(135deg,rgba(123,97,255,0.12) 0%,rgba(46,124,246,0.08) 50%,rgba(0,229,255,0.1) 100%);
  border-top:1px solid rgba(123,97,255,0.2);
  border-bottom:1px solid rgba(0,229,255,0.15);
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  top:-40px;right:-40px;
  width:300px;height:300px;
  background:radial-gradient(circle,rgba(0,229,255,0.15) 0%,transparent 70%);
  border-radius:50%;
}
.cta-inner{
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.cta-left h2{
  font-size:28px;
  font-weight:800;
  margin-bottom:10px;
}
.cta-left p{
  color:var(--text-sub);
  font-size:15px;
  max-width:490px;
}
.cta-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,0.06);
}
.footer-main{
  padding:64px 0 40px;
  background:linear-gradient(180deg,transparent,rgba(123,97,255,0.03));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 0.8fr 0.8fr 1fr;
  gap:40px;
}
.footer-brand .logo{
  margin-bottom:18px;
}
.footer-brand p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.8;
  margin-bottom:20px;
  max-width:340px;
}
.social-icons{
  display:flex;
  gap:10px;
}
.social-icons a{
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--border-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);
  font-size:15px;
  transition:all .25s;
}
.social-icons a:hover{
  color:var(--accent-cyan);
  border-color:rgba(0,229,255,0.4);
  box-shadow:0 0 12px rgba(0,229,255,0.15);
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:var(--text-main);
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul a{
  color:var(--text-sub);
  font-size:14px;
  transition:color .2s;
}
.footer-col ul a:hover{color:var(--accent-cyan);}
.footer-contact p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
}
.footer-contact .domain-text{
  color:var(--text-muted);
  font-size:13px;
  margin-bottom:10px;
  letter-spacing:.5px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.04);
  padding:22px 0;
  text-align:center;
}
.footer-bottom p{
  color:var(--text-muted);
  font-size:13px;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .main-nav{
    position:fixed;
    top:0;right:-320px;
    width:320px;
    height:100vh;
    background:rgba(10,14,26,0.98);
    backdrop-filter:blur(24px);
    -webkit-backdrop-filter:blur(24px);
    border-left:1px solid var(--border-light);
    z-index:2000;
    padding:80px 28px 32px;
    transition:right .35s ease;
    overflow-y:auto;
  }
  .main-nav.open{right:0;}
  .main-nav ul{
    flex-direction:column;
    gap:8px;
    align-items:stretch;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .main-nav .nav-link{
    padding:10px 14px;
    text-align:center;
    background:rgba(255,255,255,0.04);
    border:1px solid var(--border-light);
    border-radius:10px;
    font-size:14px;
  }
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.active{
    background:rgba(0,229,255,0.1);
    border-color:rgba(0,229,255,0.3);
  }
  .hamburger{display:flex;}
  .header-actions .btn-primary{display:none;}
  .page-hero h1{font-size:36px;}
  .feature-grid,.guide-grid,.scene-grid{grid-template-columns:repeat(2,1fr);}
  .process-steps{grid-template-columns:repeat(2,1fr);}
  .insight-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
  :root{--space-section:64px;}
  .container{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .hero-inner{padding:0 16px;}
  .page-hero{padding:64px 0 56px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-stats{flex-direction:column;gap:12px;}
  .stat-item{min-width:auto;}
  .feature-grid,.guide-grid,.scene-grid{grid-template-columns:1fr;}
  .process-steps{grid-template-columns:1fr;}
  .section-head h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;text-align:center;}
  .cta-actions{justify-content:center;}
  .top-bar-links{display:none;}
  .top-bar-info .container{justify-content:center;}
  .guide-card .cover img{aspect-ratio:16/9;}
}
@media screen and (max-width:480px){
  .header-actions .icon-btn{display:none;}
  .logo-txt small{display:none;}
  .logo-txt strong{font-size:17px;}
}

/* roulang page: category4 */
/* ========== 设计变量 ========== */
:root{
  --bg-primary:#0A0E1A;
  --bg-secondary:#0F1526;
  --bg-topbar:#070B14;
  --brand-blue:#2E7CF6;
  --neon-cyan:#00E5FF;
  --neon-purple:#7B61FF;
  --warning-gold:#FFC83A;
  --danger-red:#FF4D6A;
  --text-primary:#EEF2FF;
  --text-secondary:#98A2C3;
  --text-muted:#5A6486;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-border:rgba(255,255,255,0.09);
  --glass-hover:rgba(0,229,255,0.35);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-tag:6px;
  --radius-hero:20px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover:0 12px 48px rgba(46,124,246,0.18);
  --glow-blue:0 0 24px rgba(46,124,246,0.5);
  --glow-cyan:0 0 40px rgba(0,229,255,0.6);
  --transition-fast:0.2s ease-out;
  --transition-normal:0.35s ease-out;
  --font-main:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background-color:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color var(--transition-fast),border-color var(--transition-fast);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
.container{max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-secondary);}
.section-head{margin-bottom:48px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-head h2{font-size:32px;font-weight:800;letter-spacing:-0.5px;line-height:1.3;}
.section-head p{color:var(--text-secondary);font-size:16px;margin-top:8px;max-width:560px;}
.section-more{color:var(--neon-cyan);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:gap var(--transition-fast);}
.section-more:hover{gap:12px;color:var(--brand-blue);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-primary);}
::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:5px;}
::-webkit-scrollbar-thumb:hover{background:var(--brand-blue);}

/* ========== 顶部信息条 ========== */
.topbar{
  background:var(--bg-topbar);
  height:38px;
  display:flex;
  align-items:center;
  border-bottom:1px solid rgba(255,255,255,0.04);
  position:relative;
  z-index:101;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;font-size:13px;}
.topbar-domain{color:var(--text-muted);}
.topbar-links{display:flex;align-items:center;gap:16px;}
.topbar-links a{color:var(--text-secondary);font-size:13px;transition:color var(--transition-fast);}
.topbar-links a:hover{color:var(--neon-cyan);}
.topbar-links .topbar-sep{border-left:1px solid rgba(255,255,255,0.1);padding-left:16px;}

/* ========== 主导航 ========== */
.site-header{
  position:sticky;
  top:38px;
  z-index:100;
  background:rgba(10,14,26,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{
  width:38px;height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand-blue),var(--neon-cyan));
  display:flex;align-items:center;justify-content:center;
  color:#0A0E1A;
  box-shadow:var(--glow-blue);
}
.logo-txt{display:flex;flex-direction:column;line-height:1.25;}
.logo-txt strong{font-size:20px;font-weight:800;letter-spacing:0.5px;}
.logo-txt small{font-size:11px;color:var(--text-secondary);letter-spacing:1px;}
.main-nav ul{display:flex;align-items:center;gap:2px;}
.main-nav ul li a{
  display:block;
  padding:8px 16px;
  font-size:15px;
  font-weight:500;
  color:var(--text-secondary);
  border-radius:8px;
  position:relative;
  transition:color var(--transition-fast),background var(--transition-fast);
}
.main-nav ul li a::after{
  content:'';
  position:absolute;
  left:16px;right:16px;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--neon-cyan),transparent);
  border-radius:2px;
  opacity:0;
  transform:scaleX(0.5);
  transition:opacity var(--transition-normal),transform var(--transition-normal);
}
.main-nav ul li a:hover,.main-nav ul li a.active{
  color:var(--text-primary);
  background:rgba(255,255,255,0.04);
}
.main-nav ul li a.active::after{opacity:1;transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-btn{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  color:var(--text-secondary);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--transition-fast);
}
.search-btn:hover{color:var(--neon-cyan);border-color:var(--glass-hover);}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
  border-radius:8px;
}
.nav-toggle span{width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-normal);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,0.55);
  z-index:998;
  opacity:0;
  visibility:hidden;
  transition:opacity var(--transition-fast),visibility var(--transition-fast);
}
.nav-overlay.active{opacity:1;visibility:visible;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:var(--radius-btn);
  padding:14px 32px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:all var(--transition-normal);
}
.btn:focus-visible{outline:3px solid var(--neon-cyan);outline-offset:2px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-blue),var(--neon-cyan));
  color:#07101f;
  box-shadow:var(--glow-blue);
}
.btn-primary:hover{
  box-shadow:var(--glow-cyan);
  transform:translateY(-2px);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 21px rgba(46,124,246,0.4);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,0.5);
  color:var(--text-primary);
}
.btn-ghost:hover{
  border-color:var(--neon-cyan);
  color:var(--neon-cyan);
  box-shadow:0 0 24px rgba(0,229,255,0.15);
}
.btn-outline{
  background:transparent;
  border:1px solid var(--glass-border);
  color:var(--text-secondary);
  padding:8px 16px;
  font-size:13px;
  font-weight:600;
  border-radius:8px;
  cursor:pointer;
  transition:all var(--transition-fast);
}
.btn-outline:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);}
.btn-xs{padding:6px 14px;font-size:13px;border-radius:8px;}
.btn-sm{padding:10px 22px;font-size:14px;border-radius:9px;}
.btn .arrow{transition:transform var(--transition-normal);}
.btn:hover .arrow{transform:translateX(4px);}

/* ========== 标签 / 徽章 ========== */
.tag{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:4px 10px;
  border-radius:var(--radius-tag);
  font-size:12px;
  font-weight:600;
  line-height:1.4;
}
.tag-cyan{background:rgba(0,229,255,0.12);color:var(--neon-cyan);border:1px solid rgba(0,229,255,0.25);}
.tag-purple{background:rgba(123,97,255,0.14);color:#b79cff;border:1px solid rgba(123,97,255,0.3);}
.tag-gold{background:rgba(255,200,58,0.12);color:var(--warning-gold);border:1px solid rgba(255,200,58,0.3);}
.tag-green{background:rgba(75,222,151,0.12);color:#4bde97;border:1px solid rgba(75,222,151,0.3);}
.badge-flame{
  position:absolute;
  top:12px;right:12px;
  background:linear-gradient(135deg,#ff4d6a,#ff7a3c);
  color:#fff;
  padding:4px 10px;
  border-radius:20px;
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:4px;
  box-shadow:0 4px 16px rgba(255,77,106,0.4);
  z-index:2;
}
.badge-free{
  position:absolute;
  top:12px;left:12px;
  background:rgba(10,14,26,0.75);
  backdrop-filter:blur(8px);
  color:var(--neon-cyan);
  padding:4px 12px;
  border-radius:20px;
  font-size:12px;
  font-weight:600;
  border:1px solid rgba(0,229,255,0.3);
  z-index:2;
}

/* ========== 分类页 Hero ========== */
.category-hero{
  position:relative;
  padding:120px 0 100px;
  overflow:hidden;
}
.category-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  z-index:0;
}
.category-hero-bg::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(10,14,26,0.92) 30%,rgba(10,14,26,0.55) 70%,rgba(10,14,26,0.75) 100%);
}
.category-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--neon-cyan);}
.breadcrumb-sep{opacity:0.5;}
.category-hero h1{
  font-size:44px;
  font-weight:800;
  letter-spacing:-1px;
  line-height:1.2;
  margin-bottom:16px;
  background:linear-gradient(135deg,#fff,var(--neon-cyan));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.category-hero-sub{
  font-size:18px;
  color:var(--text-secondary);
  max-width:640px;
  line-height:1.7;
  margin-bottom:40px;
}
.category-hero-data{
  display:flex;
  gap:48px;
  flex-wrap:wrap;
}
.stat-item{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.stat-item strong{
  font-size:32px;
  font-weight:800;
  color:var(--text-primary);
  font-variant-numeric:tabular-nums;
}
.stat-item span{font-size:14px;color:var(--text-muted);}

/* ========== 亮点卡片 ========== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.feature-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:32px 24px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:all var(--transition-normal);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:'';
  position:absolute;
  top:0;left:24px;right:24px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--neon-cyan),transparent);
  opacity:0;
  transition:opacity var(--transition-normal);
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--glass-hover);
}
.feature-card:hover::before{opacity:1;}
.feature-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(46,124,246,0.2),rgba(0,229,255,0.15));
  display:flex;align-items:center;justify-content:center;
  color:var(--neon-cyan);
  font-size:20px;
  margin-bottom:18px;
}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text-primary);}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.65;}

/* ========== 活动卡片 ========== */
.activity-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.activity-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:all var(--transition-normal);
  display:flex;
  flex-direction:column;
}
.activity-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--glass-hover);
}
.activity-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.activity-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 0.5s ease-out;
}
.activity-card:hover .activity-cover img{transform:scale(1.04);}
.activity-cover::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,14,26,0.08) 55%,rgba(10,14,26,0.55) 100%);
}
.activity-info{
  padding:20px 20px 18px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.activity-info h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text-primary);}
.activity-info p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.activity-meta{
  display:flex;
  gap:16px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:14px;
}
.activity-meta span{display:inline-flex;align-items:center;gap:6px;}
.activity-footer{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:14px;
}

/* ========== 适用场景 ========== */
.scene-wrap{
  display:flex;
  align-items:center;
  gap:64px;
}
.scene-text{flex:1;min-width:0;}
.scene-text h2{font-size:30px;font-weight:800;margin-bottom:16px;line-height:1.3;}
.scene-text>p{color:var(--text-secondary);margin-bottom:28px;max-width:520px;}
.scene-list{display:flex;flex-direction:column;gap:16px;}
.scene-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  color:var(--text-primary);
  font-size:15px;
  line-height:1.6;
}
.scene-list li i{
  color:var(--neon-cyan);
  font-size:18px;
  margin-top:3px;
}
.scene-visual{
  flex:1;
  max-width:520px;
  border-radius:var(--radius-hero);
  overflow:hidden;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
}
.scene-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 0.5s ease-out;}
.scene-visual:hover img{transform:scale(1.02);}

/* ========== 流程步骤 ========== */
.steps-row{display:flex;gap:28px;}
.step-item{
  flex:1;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:36px 28px;
  text-align:center;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:all var(--transition-normal);
  position:relative;
}
.step-item:hover{
  border-color:var(--glass-hover);
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:56px;height:56px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand-blue),var(--neon-cyan));
  color:#07101f;
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:20px;
  box-shadow:var(--glow-blue);
}
.step-item h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text-primary);}
.step-item p{font-size:14px;color:var(--text-secondary);line-height:1.65;}

/* ========== 补充正文区 ========== */
.content-block{
  max-width:900px;
  margin:0 auto;
}
.content-block h2{
  font-size:28px;
  font-weight:800;
  margin-bottom:24px;
  line-height:1.3;
}
.content-block h3{
  font-size:20px;
  font-weight:700;
  margin:36px 0 16px;
  color:var(--neon-cyan);
}
.content-block p{
  color:var(--text-secondary);
  line-height:1.9;
  margin-bottom:20px;
  font-size:15px;
}
.content-block ul{
  margin:0 0 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.content-block ul li{
  color:var(--text-secondary);
  padding-left:24px;
  position:relative;
  line-height:1.7;
}
.content-block ul li::before{
  content:'';
  position:absolute;
  left:4px;top:10px;
  width:8px;height:8px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--brand-blue),var(--neon-cyan));
}
.content-block .note{
  background:rgba(123,97,255,0.08);
  border:1px solid rgba(123,97,255,0.2);
  border-radius:12px;
  padding:20px 24px;
  margin-top:28px;
  font-size:14px;
  color:var(--text-secondary);
}

/* ========== CTA 区 ========== */
.cta-section{
  padding:96px 0;
  border-top:1px solid rgba(255,255,255,0.04);
}
.cta-purple{
  background:linear-gradient(135deg,rgba(123,97,255,0.16) 0%,var(--bg-secondary) 60%),var(--bg-secondary);
  position:relative;
  overflow:hidden;
}
.cta-purple::before{
  content:'';
  position:absolute;
  top:-50%;right:-10%;
  width:480px;height:480px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,97,255,0.22),transparent 65%);
  pointer-events:none;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.cta-text h2{font-size:30px;font-weight:800;margin-bottom:12px;line-height:1.3;}
.cta-text p{color:var(--text-secondary);font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ========== FAQ ========== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:14px;
  overflow:hidden;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color var(--transition-normal),box-shadow var(--transition-normal);
}
.faq-item:hover{border-color:var(--glass-hover);}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 24px;
  background:none;
  border:none;
  cursor:pointer;
  text-align:left;
  color:var(--text-primary);
  font-size:16px;
  font-weight:600;
  transition:color var(--transition-fast);
}
.faq-question:hover{color:var(--neon-cyan);}
.faq-question i{
  color:var(--text-muted);
  transition:transform var(--transition-normal);
  font-size:14px;
  flex-shrink:0;
}
.faq-item.open .faq-question i{transform:rotate(90deg);color:var(--neon-cyan);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--transition-normal);
}
.faq-answer-inner{
  padding:0 24px 22px;
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.8;
  border-left:2px solid var(--neon-cyan);
  margin-left:24px;
}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--bg-topbar);
  border-top:1px solid rgba(255,255,255,0.06);
}
.footer-main{padding:80px 0 48px;background:linear-gradient(180deg,transparent,rgba(0,0,0,0.1));}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:48px;
}
.logo{margin-bottom:18px;}
.logo-txt small{color:var(--text-muted);}
.footer-brand p{color:var(--text-secondary);font-size:14px;line-height:1.8;margin-bottom:20px;max-width:360px;}
.social-icons{display:flex;gap:10px;}
.social-icons a{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,0.04);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);
  font-size:15px;
  transition:all var(--transition-fast);
}
.social-icons a:hover{color:var(--neon-cyan);border-color:var(--glass-hover);transform:translateY(-2px);background:rgba(0,229,255,0.08);}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:20px;
  letter-spacing:0.5px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li a{
  color:var(--text-secondary);
  font-size:14px;
  transition:color var(--transition-fast),padding-left var(--transition-fast);
}
.footer-col ul li a:hover{
  color:var(--neon-cyan);
  padding-left:4px;
}
.footer-contact .domain-text{
  color:var(--text-muted);
  font-size:13px;
  letter-spacing:1px;
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.footer-contact p{color:var(--text-secondary);font-size:13px;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:20px 0;
}
.footer-bottom .container p{font-size:13px;color:var(--text-muted);text-align:center;}

/* ========== 响应式断点 ========== */
@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:-320px;
    width:300px;
    height:100vh;
    background:rgba(10,14,26,0.98);
    backdrop-filter:blur(24px);
    -webkit-backdrop-filter:blur(24px);
    z-index:1000;
    padding:96px 24px 24px;
    transition:right var(--transition-normal);
    box-shadow:-8px 0 32px rgba(0,0,0,0.5);
    overflow-y:auto;
  }
  .main-nav.open{right:0;}
  .main-nav ul{flex-direction:column;gap:6px;}
  .main-nav ul li a{
    display:block;
    padding:14px 16px;
    font-size:15px;
    border-radius:10px;
  }
  .main-nav ul li a::after{display:none;}
  .main-nav ul li a.active{
    background:rgba(0,229,255,0.1);
    color:var(--neon-cyan);
  }
  .header-actions .btn-sm{display:none;}
  .category-hero{padding:96px 0 80px;}
  .category-hero h1{font-size:38px;}
  .scene-wrap{flex-direction:column;gap:40px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .activity-grid{grid-template-columns:repeat(2,1fr);}
  .steps-row{flex-wrap:wrap;}
  .step-item{flex:1 1 calc(50% - 14px);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:64px 0;}
  .topbar-links a:nth-child(2){display:none;}
  .topbar-links .topbar-sep{padding-left:0;border-left:none;}
  .header-inner{height:64px;gap:16px;}
  .logo-txt strong{font-size:18px;}
  .logo-icon{width:34px;height:34px;}
  .search-btn{display:none;}
  .category-hero h1{font-size:32px;}
  .category-hero-sub{font-size:16px;}
  .category-hero-data{gap:28px;}
  .stat-item strong{font-size:26px;}
  .feature-grid{grid-template-columns:1fr;}
  .activity-grid{grid-template-columns:1fr;}
  .steps-row{flex-direction:column;}
  .step-item{flex:1 1 100%;}
  .section-head h2{font-size:26px;}
  .section-head p{font-size:14px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-text h2{font-size:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-main{padding:56px 0 32px;}
  .content-block h2{font-size:24px;}
  .content-block h3{font-size:18px;}
  .scene-text h2{font-size:26px;}
  .badge-flame{top:8px;right:8px;font-size:11px;padding:3px 8px;}
  .badge-free{top:8px;left:8px;font-size:11px;padding:3px 8px;}
}

/* roulang page: category5 */
:root {
  --bg-primary: #0A0E1A;
  --bg-secondary: #0F1526;
  --bg-deep: #070B14;
  --brand-blue: #2E7CF6;
  --neon-cyan: #00E5FF;
  --electric-purple: #7B61FF;
  --warning-gold: #FFC83A;
  --text-primary: #EEF2FF;
  --text-secondary: #98A2C3;
  --text-muted: #5A6486;
  --glass-bg: rgba(255,255,255,0.055);
  --glass-border: rgba(255,255,255,0.09);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 6px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 48px rgba(46,124,246,0.18);
  --shadow-btn: 0 0 24px rgba(46,124,246,0.5);
  --shadow-btn-hover: 0 0 40px rgba(0,229,255,0.6);
  --transition: 0.3s ease-out;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.2s ease-out; }
a:hover { color: var(--neon-cyan); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font-family: inherit; }

.container { width: 100%; max-width: 1320px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.narrow { max-width: 860px; }

::-webkit-scrollbar { width: 8px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #2E4A7A; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3A5A9A; }

/* 顶部信息条 */
.top-info {
  position: sticky;
  top: 0;
  z-index: 1100;
  background: var(--bg-deep);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: transform 0.35s ease-out, top 0.35s ease-out;
  height: 38px;
}
.top-info.hidden { transform: translateY(-100%); }
.top-info-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
  font-size: 13px;
  color: var(--text-muted);
}
.top-info-inner .domain-text { color: var(--text-muted); letter-spacing: 0.5px; }
.top-links { display: flex; gap: 24px; }
.top-links a { color: var(--text-secondary); font-size: 13px; }
.top-links a:hover { color: var(--neon-cyan); }

/* 主导航 */
.site-header {
  position: sticky;
  top: 38px;
  z-index: 1000;
  height: 72px;
  background: rgba(10,14,26,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: top 0.35s ease-out;
}
.site-header.top-hidden { top: 0; }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
  display: flex; align-items: center; justify-content: center;
  color: #0A0E1A;
  box-shadow: 0 0 16px rgba(46,124,246,0.4);
}
.logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
.logo-txt strong { font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.logo-txt small { font-size: 11px; color: var(--text-muted); letter-spacing: 2px; }
.main-nav { flex: 1; display: flex; justify-content: center; }
.main-nav ul { display: flex; gap: 8px; align-items: center; }
.main-nav .nav-link {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  position: relative;
  transition: color 0.25s ease-out;
  white-space: nowrap;
}
.main-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  transition: width 0.3s ease-out;
}
.main-nav .nav-link:hover { color: var(--text-primary); }
.main-nav .nav-link:hover::after { width: 70%; }
.main-nav .nav-link.active { color: var(--neon-cyan); }
.main-nav .nav-link.active::after { width: 70%; }

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: all 0.25s ease-out;
}
.search-btn:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); box-shadow: 0 0 12px rgba(0,229,255,0.15); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease-out;
  border: none;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue), var(--neon-cyan));
  color: #0A0E1A;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  color: #0A0E1A;
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.45);
  color: var(--text-primary);
}
.btn-ghost:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0,229,255,0.06);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

.hamburger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  align-items: center; justify-content: center;
  color: var(--text-primary);
  font-size: 18px;
}
.hamburger:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); }

.mobile-drawer {
  position: fixed;
  top: 0; right: 0;
  width: 320px;
  height: 100vh;
  background: rgba(10,14,26,0.98);
  backdrop-filter: blur(20px);
  border-left: 1px solid rgba(255,255,255,0.08);
  z-index: 1200;
  transform: translateX(100%);
  transition: transform 0.35s ease-out;
  padding: 32px 24px;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.drawer-close { font-size: 18px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); }
.drawer-close:hover { color: var(--neon-cyan); border-color: var(--neon-cyan); }
.drawer-nav ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav a {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  transition: all 0.25s ease-out;
}
.drawer-nav a:hover, .drawer-nav a.active { border-color: var(--neon-cyan); color: var(--neon-cyan); background: rgba(0,229,255,0.06); }
.drawer-cta { margin-top: 32px; }
.drawer-cta .btn { width: 100%; }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1190;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-out;
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

/* Hero 区 */
.page-hero {
  position: relative;
  padding: 96px 0 72px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  isolation: isolate;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10,14,26,0.94) 0%, rgba(10,14,26,0.80) 45%, rgba(10,14,26,0.35) 100%);
  z-index: -1;
}
.hero-content { position: relative; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--neon-cyan); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--neon-cyan);
  border: 1px solid rgba(0,229,255,0.25);
  background: rgba(0,229,255,0.08);
  border-radius: 6px;
  padding: 6px 14px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 20px;
  max-width: 720px;
}
.page-hero h1 span {
  background: linear-gradient(90deg, var(--brand-blue), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(14px);
  padding: 18px 24px;
  min-width: 160px;
}
.stat-card .stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.stat-card .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* 数据总览 */
.data-overview {
  padding: 64px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.overview-item {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-card);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s ease-out;
}
.overview-item:hover { border-color: rgba(0,229,255,0.25); transform: translateY(-4px); }
.overview-icon {
  width: 48px; height: 48px;
  margin: 0 auto 12px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: rgba(46,124,246,0.12);
  color: var(--neon-cyan);
}
.overview-num { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; }
.overview-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }

/* 通用区段 */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-secondary); }
.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: 28px; font-weight: 800; letter-spacing: 1px; }
.section-head p { color: var(--text-secondary); font-size: 16px; margin-top: 12px; max-width: 560px; }

/* 数据服务卡片 */
.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(14px);
  transition: all 0.3s ease-out;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,255,0.35);
  box-shadow: var(--shadow-hover);
}
.service-card .card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.service-card .card-cover img { width: 100%; height: 100%; object-fit: cover; }
.card-cover .cover-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,14,26,0.75) 100%);
}
.card-body { padding: 22px 20px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card-title { font-size: 19px; font-weight: 700; }
.card-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.card-tags { display: flex; gap: 8px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-tag);
  background: rgba(123,97,255,0.12);
  color: #B9A8FF;
  border: 1px solid rgba(123,97,255,0.2);
}
.tag.gold { background: rgba(255,200,58,0.1); color: var(--warning-gold); border-color: rgba(255,200,58,0.2); }
.tag.cyan { background: rgba(0,229,255,0.08); color: var(--neon-cyan); border-color: rgba(0,229,255,0.18); }

/* 迷你条形图 */
.mini-bar { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  padding: 12px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.bar-label { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
.bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-blue), var(--neon-cyan));
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.bar-value { font-size: 13px; font-weight: 700; color: var(--neon-cyan); flex-shrink: 0; font-variant-numeric: tabular-nums; }

/* 榜单预览 */
.rank-tabs { display: flex; gap: 12px; margin-bottom: 28px; }
.rank-tab {
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  transition: all 0.25s ease-out;
}
.rank-tab:hover { color: var(--text-primary); border-color: var(--text-muted); }
.rank-tab.active { color: var(--neon-cyan); border-color: var(--neon-cyan); background: rgba(0,229,255,0.06); box-shadow: 0 0 16px rgba(0,229,255,0.1); }
.rank-table-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.02);
}
.rank-table { width: 100%; border-collapse: collapse; }
.rank-table thead th {
  font-size: 13px;
  color: var(--text-muted);
  text-align: left;
  padding: 16px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-weight: 600;
}
.rank-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 15px;
}
.rank-table tbody tr:last-child td { border-bottom: none; }
.rank-table tbody tr { transition: background 0.2s ease-out; }
.rank-table tbody tr:hover { background: rgba(46,124,246,0.06); }
.rank-no { font-weight: 800; color: var(--warning-gold); width: 48px; font-variant-numeric: tabular-nums; }
.rank-team { display: flex; align-items: center; gap: 10px; }
.rank-team-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(46,124,246,0.12);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--neon-cyan);
}
.mini-bar.inline { padding: 0; border: none; min-width: 120px; }
.rank-up { color: #4ADE80; font-size: 13px; }
.rank-down { color: #F87171; font-size: 13px; }

/* 数据维度 */
.data-dims { padding: 96px 0; }
.dim-img-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.dim-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.dim-list { display: flex; flex-direction: column; gap: 22px; }
.dim-item { display: flex; gap: 16px; padding: 22px; border-radius: var(--radius-card); background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.05); transition: all 0.3s ease-out; }
.dim-item:hover { border-color: rgba(0,229,255,0.25); }
.dim-num { font-size: 22px; font-weight: 800; color: var(--brand-blue); opacity: 0.7; font-variant-numeric: tabular-nums; }
.dim-title { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.dim-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* 补充正文 */
.category-article { padding: 96px 0; background: var(--bg-secondary); }
.category-article h2 { font-size: 28px; font-weight: 800; margin-bottom: 24px; }
.category-article p { color: var(--text-secondary); font-size: 15.5px; margin-bottom: 20px; line-height: 1.9; }
.article-list { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.article-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.article-list li i { color: var(--neon-cyan); margin-top: 4px; flex-shrink: 0; }

/* CTA */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(120deg, #141033 0%, #1D1440 50%, #181238 100%);
  border-top: 1px solid rgba(123,97,255,0.2);
  border-bottom: 1px solid rgba(123,97,255,0.2);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; right: 10%;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(123,97,255,0.25) 0%, transparent 70%);
  border-radius: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}
.cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; z-index: 1; flex-wrap: wrap; }
.cta-title { font-size: 30px; font-weight: 800; line-height: 1.4; }
.cta-text { color: var(--text-secondary); font-size: 16px; margin-top: 14px; max-width: 480px; line-height: 1.7; }
.cta-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* FAQ */
.faq-section { padding: 96px 0; }
.faq-section h2 { font-size: 28px; font-weight: 800; margin-bottom: 40px; text-align: center; }
.accordion { border-radius: 20px; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); overflow: hidden; }
.accordion-item { border-bottom: 1px solid rgba(255,255,255,0.05); }
.accordion-item:last-child { border-bottom: none; }
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--text-primary) !important;
  transition: all 0.25s ease-out;
}
.accordion-title::after {
  content: '›';
  font-size: 24px;
  color: var(--text-muted);
  transition: transform 0.3s ease-out;
  flex-shrink: 0;
}
.accordion-item.is-active > .accordion-title { color: var(--neon-cyan) !important; }
.accordion-item.is-active > .accordion-title::after { transform: rotate(90deg); color: var(--neon-cyan); }
.accordion-content { padding: 0 26px 22px; color: var(--text-secondary) !important; font-size: 15px; line-height: 1.8; background: transparent !important; border: none !important; }

/* 页脚 */
.site-footer { background: var(--bg-deep); border-top: 1px solid rgba(255,255,255,0.06); }
.site-footer::before {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--electric-purple), var(--neon-cyan), transparent);
}
.footer-main { padding: 64px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.8fr 1fr;
  gap: 48px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.social-icons { display: flex; gap: 12px; }
.social-icons a {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  transition: all 0.25s ease-out;
}
.social-icons a:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); transform: translateY(-3px); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { font-size: 14px; color: var(--text-muted); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--neon-cyan); }
.footer-contact { font-size: 13.5px; color: var(--text-muted); line-height: 1.8; }
.footer-contact .domain-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.04);
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }

/* 响应式 */
@media screen and (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .article-list { grid-template-columns: 1fr; }
}
@media screen and (max-width: 1024px) {
  .main-nav, .header-actions .search-btn { display: none; }
  .hamburger { display: flex; }
  .page-hero h1 { font-size: 38px; }
  .cta-grid { flex-direction: column; align-items: flex-start; }
}
@media screen and (max-width: 768px) {
  .section { padding: 64px 0; }
  .page-hero { padding: 56px 0; }
  .page-hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .data-dims { padding: 64px 0; }
  .category-article { padding: 64px 0; }
  .faq-section { padding: 64px 0; }
  .overview-num { font-size: 24px; }
  .rank-table thead { display: none; }
  .rank-table tbody td { display: block; padding: 12px 16px; border-bottom: none; }
  .rank-table tbody tr { display: block; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .rank-team { flex-wrap: wrap; }
}
@media screen and (max-width: 640px) {
  .top-info-inner .domain-text { display: none; }
  .top-info-inner { justify-content: center; }
  .header-actions .btn { display: none; }
  .header-actions { gap: 8px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .section-head h2 { font-size: 24px; }
  .rank-tabs { flex-direction: column; }
  .rank-tab { text-align: center; }
  .cta-title { font-size: 24px; }
  .accordion-title { padding: 18px; font-size: 15px; }
  .accordion-content { padding: 0 18px 18px; }
  .stat-card { min-width: 130px; padding: 14px 16px; }
  .stat-card .stat-num { font-size: 22px; }
  .article-list li { font-size: 13.5px; }
  .btn-lg { padding: 14px 28px; font-size: 15px; }
}