/* roulang page: index */
:root {
  --primary: #e6366b;
  --primary-dark: #c22055;
  --primary-light: #ff6b9a;
  --accent: #ffb830;
  --dark: #1a0d14;
  --dark-2: #241019;
  --dark-3: #331526;
  --surface: #2b121c;
  --surface-light: #3b1a28;
  --text: #f5e8ec;
  --text-muted: #b8949f;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 32px; }
::selection { background: var(--primary); color: #fff; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(20, 8, 14, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header:hover { box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(230, 54, 107, 0.4);
  flex-shrink: 0;
}
.logo-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(230, 54, 107, 0.35);
}
.nav-link.nav-link-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 600;
  margin-left: 8px;
  box-shadow: 0 4px 16px rgba(230, 54, 107, 0.3);
}
.nav-link.nav-link-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230, 54, 107, 0.45); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 78px; left: 0; right: 0;
  background: rgba(20, 8, 14, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 16px 16px; width: 100%; border-radius: 12px; font-size: 16px; }

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 160px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(18, 6, 12, 0.94) 20%, rgba(18, 6, 12, 0.7) 55%, rgba(230, 54, 107, 0.25) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 780px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 28px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.2);
}
.hero-title {
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 28px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.hero-title span { 
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 44px;
  max-width: 640px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 38px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 30px rgba(230, 54, 107, 0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(230, 54, 107, 0.55); }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.35); transform: translateY(-3px); }
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 36px;
  max-width: 600px;
}
.stat-item { text-align: left; }
.stat-num {
  font-size: 38px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
  font-family: inherit;
}
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 4px; letter-spacing: 1px; }
.hero-float-card {
  position: absolute;
  right: 48px;
  bottom: 120px;
  width: 360px;
  height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow);
  transform: rotate(3deg);
  opacity: 0.85;
  z-index: 1;
}
.hero-float-card img { width: 100%; height: 100%; object-fit: cover; }
.hero-float-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}

/* Sections */
section { position: relative; }
.section { padding: 100px 0; }
.section-alt { background: var(--dark-2); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.section-title-wrap { max-width: 640px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary-light);
  text-transform: uppercase;
  margin-bottom: 14px;
  border: 1px solid rgba(230, 54, 107, 0.3);
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(230, 54, 107, 0.08);
}
.section-title {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 1px;
}
.section-sub {
  color: var(--text-muted);
  font-size: 16px;
  margin-top: 14px;
  line-height: 1.8;
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  padding: 10px 20px;
  border-radius: 999px;
  transition: all var(--transition);
}
.section-link:hover { background: rgba(230, 54, 107, 0.12); transform: translateX(4px); }

/* Cards */
.grid-card-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.grid-card-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-card-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.content-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.content-card:hover {
  transform: translateY(-8px);
  border-color: rgba(230, 54, 107, 0.35);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.card-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; flex-shrink: 0; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.content-card:hover .card-media img { transform: scale(1.08); }
.card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4), transparent 60%);
}
.card-badge {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(230, 54, 107, 0.3);
}
.card-rating {
  position: absolute;
  right: 16px; top: 16px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}
.card-cat {
  position: absolute;
  bottom: 14px; left: 16px;
  z-index: 2;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}
.card-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  transition: color var(--transition);
}
.card-title:hover { color: var(--primary-light); }
.card-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-muted);
}
.meta-time { display: inline-flex; align-items: center; gap: 6px; }
.meta-views { display: inline-flex; align-items: center; gap: 6px; }

/* Channel / Category cards */
.channel-card {
  background: linear-gradient(145deg, var(--surface), var(--surface-light));
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  display: block;
  height: 100%;
}
.channel-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-sm); border-color: rgba(230, 54, 107, 0.3); }
.channel-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.channel-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.channel-card:hover .channel-media img { transform: scale(1.1); }
.channel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(18,8,12,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.channel-name { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: 1px; }
.channel-count { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; letter-spacing: 1px; }
.channel-body { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.channel-body p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.channel-arrow {
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230, 54, 107, 0.15);
  border-radius: 50%;
  color: var(--primary-light);
  font-size: 18px;
  transition: all var(--transition);
}
.channel-card:hover .channel-arrow { background: var(--primary); color: #fff; transform: rotate(-45deg); }

/* Feature / Advantage */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.feature-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.feature-item:hover { transform: translateY(-6px); border-color: rgba(230, 54, 107, 0.3); box-shadow: var(--shadow-sm); }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(230,54,107,0.2), rgba(230,54,107,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary-light);
}
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-desc { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* Split / showcase */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.shot-list { display: flex; flex-direction: column; gap: 12px; }
.shot-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.shot-item:hover { background: var(--surface-light); border-color: rgba(230, 54, 107, 0.35); }
.shot-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(230,54,107,0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}
.shot-title { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.shot-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* Hot list */
.hot-list { display: flex; flex-direction: column; gap: 12px; }
.hot-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 20px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.hot-item:hover { background: var(--surface-light); transform: translateX(8px); }
.hot-rank {
  font-size: 24px;
  font-weight: 900;
  color: rgba(255,255,255,0.25);
  width: 48px;
  text-align: center;
  flex-shrink: 0;
}
.hot-item:nth-child(1) .hot-rank { color: var(--primary-light); }
.hot-item:nth-child(2) .hot-rank { color: #ff9f43; }
.hot-item:nth-child(3) .hot-rank { color: #ffd93d; }
.hot-title { font-size: 15px; font-weight: 600; flex: 1; }
.hot-title:hover { color: var(--primary-light); }
.hot-info { font-size: 13px; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }

/* FAQ */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(230,54,107,0.3); }
.faq-q {
  width: 100%;
  padding: 24px 28px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: none;
  color: var(--text);
}
.faq-q::after {
  content: '+';
  font-size: 26px;
  font-weight: 300;
  color: var(--primary-light);
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.open .faq-q::after {
  content: '−';
  transform: rotate(180deg);
  color: var(--primary-light);
}
.faq-a {
  padding: 0 28px 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
  display: none;
}
.faq-item.open .faq-a { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* Content feed */
.feed-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.feed-list { display: flex; flex-direction: column; gap: 14px; }
.feed-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: left;
  color: var(--text);
  transition: all var(--transition);
  width: 100%;
  font-family: var(--font);
}
.feed-item:hover { background: var(--surface-light); transform: translateX(6px); border-color: rgba(230, 54, 107, 0.3); }
.feed-img {
  width: 72px; height: 72px;
  background: var(--surface-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 28px;
  color: rgba(255,255,255,0.3);
}
.feed-info { flex: 1; min-width: 0; }
.feed-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.feed-meta { font-size: 13px; color: var(--text-muted); margin-top: 6px; display: flex; gap: 16px; }
.feed-date, .feed-cat { position: relative; }
.feed-date::before, .feed-cat::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--primary);
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
}

/* CTA */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 80px 56px;
  background-image: linear-gradient(135deg, #e6366b33, #1a0d14cc), url('/assets/images/backpic/back-4.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
}
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-banner h3 { font-size: 38px; font-weight: 900; line-height: 1.3; margin-bottom: 16px; }
.cta-banner p { font-size: 16px; line-height: 1.8; color: var(--text-muted); margin-bottom: 40px; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 48px;
  font-size: 18px;
  font-weight: 800;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #ff9f43);
  color: var(--dark);
  box-shadow: 0 12px 40px rgba(255, 184, 48, 0.4);
  transition: all var(--transition);
}
.cta-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 50px rgba(255, 184, 48, 0.55);
}
.cta-btn:active { transform: translateY(0) scale(0.98); }

/* Footer */
.site-footer {
  background: #120810;
  border-top: 1px solid var(--border);
  padding: 70px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
  max-width: 320px;
}
.footer-col-title { font-size: 16px; font-weight: 700; margin-bottom: 24px; color: var(--text); }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 14px;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--text-muted);
  background: rgba(0,0,0,0.3);
}
.footer-copyright { font-size: 13px; }
.footer-copyright a { color: var(--text-muted); }
.footer-links { margin-top: 8px; display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; font-size: 13px; }
.footer-links span { cursor: default; }

/* Responsive */
@media (max-width: 1200px) {
  .grid-card-4 { grid-template-columns: repeat(3, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .hero-float-card { display: none; }
  .grid-card-3 { grid-template-columns: repeat(2, 1fr); }
  .split-block { grid-template-columns: 1fr; gap: 48px; }
  .split-block .hero-float-card { display: block; position: static; width: 100%; height: 400px; transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: span 3; }
}
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 72px 0; }
  .grid-card-4 { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .feed-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .grid-card-2, .grid-card-3 { grid-template-columns: 1fr; }
  .features { gap: 18px; }
  .section-title-wrap .section-link { display: none; }
  .hero { padding-top: 130px; min-height: auto; padding-bottom: 70px; }
  .hero-stats { gap: 30px; }
  .hero-float-card { display: none; }
  .header-inner { height: 70px; }
  .mobile-menu { top: 70px; }
  .mobile-menu { max-height: calc(100vh - 70px); overflow-y: auto; }
}
@media (max-width: 520px) {
  .container { padding: 0 20px; }
  .grid-card-4 { grid-template-columns: 1fr; }
  .grid-card-3 { grid-template-columns: 1fr; }
  .card-media { aspect-ratio: 16 / 10; }
  .hero-title { font-size: 36px; letter-spacing: 1px; }
  .hero { padding-top: 110px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-actions { gap: 12px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; line-height: 1.35; }
  .section-head { margin-bottom: 38px; }
  .features { grid-template-columns: 1fr; }
  .feature-item { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: span 2; }
  .footer-bottom { padding: 20px 0; }
  .footer-links { gap: 12px; }
  .mobile-menu { max-height: 75vh; }
  .hot-item { gap: 12px; }
  .hot-title { width: 120px; }
  .card-media { aspect-ratio: 16 / 9; }
}

/* roulang page: article */
:root{
  --primary:#e6366b;
  --primary-dark:#c22055;
  --primary-light:#ff6b9a;
  --accent:#ffb830;
  --dark:#1a0d14;
  --dark-2:#241019;
  --dark-3:#331526;
  --surface:#2b121c;
  --surface-light:#3b1a28;
  --text:#f5e8ec;
  --text-muted:#b8949f;
  --border:rgba(255,255,255,0.08);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 20px 40px rgba(0,0,0,0.4);
  --shadow-sm:0 8px 24px rgba(0,0,0,0.3);
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--dark);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;transition:color var(--transition),background var(--transition),border-color var(--transition);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--primary);color:#fff;}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(20,8,14,0.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition);
}
.site-header:hover{box-shadow:0 10px 40px rgba(0,0,0,0.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;}
.logo{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800;letter-spacing:1px;white-space:nowrap;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:0 4px 16px rgba(230,54,107,0.4);flex-shrink:0;
}
.logo-text span{color:var(--accent);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:10px 18px;border-radius:999px;font-size:15px;font-weight:500;
  color:var(--text);transition:all var(--transition);position:relative;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.08);}
.nav-link.active{background:var(--primary);color:#fff;font-weight:600;box-shadow:0 6px 20px rgba(230,54,107,0.35);}
.nav-toggle{display:none;flex-direction:column;gap:6px;padding:10px;}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all var(--transition);}
.mobile-menu{
  display:none;position:fixed;top:78px;left:0;right:0;
  background:rgba(20,8,14,0.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);padding:16px 20px 24px;
  flex-direction:column;gap:4px;z-index:999;
}
.mobile-menu.open{display:flex;}
.mobile-menu .nav-link{padding:16px;width:100%;border-radius:12px;font-size:16px;}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 36px;border-radius:999px;font-size:16px;font-weight:700;
  letter-spacing:1px;transition:all var(--transition);border:none;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 30px rgba(230,54,107,0.4);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(230,54,107,0.55);}
.btn-primary:active{transform:translateY(0) scale(0.97);}
.btn-ghost{background:rgba(255,255,255,0.1);color:var(--text);border:1px solid rgba(255,255,255,0.2);}
.btn-ghost:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.35);transform:translateY(-3px);}
/* ===== 页面主体 ===== */
.page-main{padding-top:78px;}
/* 文章头 */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border);padding:60px 0 54px;}
.article-hero::before{
  content:'';position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:0.35;
}
.article-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(18,6,12,0.96) 15%,rgba(18,6,12,0.78) 55%,rgba(230,54,107,0.28) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--text-muted);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--primary-light);}
.breadcrumb .sep{opacity:0.5;}
.hero-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:1px;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  box-shadow:0 6px 18px rgba(230,54,107,0.35);
}
.tag-soft{
  display:inline-flex;align-items:center;padding:7px 18px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--text);
  border:1px solid rgba(255,255,255,0.18);background:rgba(255,255,255,0.07);
  backdrop-filter:blur(8px);
}
.article-title{
  font-size:clamp(28px,3.6vw,46px);line-height:1.3;font-weight:900;
  letter-spacing:1px;max-width:1000px;text-shadow:0 4px 30px rgba(0,0,0,0.35);
}
.article-meta{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:24px;font-size:14px;color:var(--text-muted);}
.article-meta i{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--primary-light);margin-right:9px;vertical-align:middle;
}
/* 正文 */
.article-wrap{max-width:920px;margin:0 auto;padding:56px 0 20px;}
.article-cover{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);margin-bottom:44px;border:1px solid var(--border);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:24px 28px 20px;
  font-size:14px;color:#fff;
  background:linear-gradient(to top,rgba(12,4,9,0.92),rgba(12,4,9,0));
}
.article-content{font-size:17px;line-height:2;color:#e9d8de;}
.article-content h2{
  font-size:26px;font-weight:800;color:#fff;line-height:1.45;
  margin:46px 0 18px;padding-left:18px;border-left:4px solid var(--primary);
}
.article-content h3{font-size:20px;font-weight:700;color:#fff;margin:34px 0 14px;}
.article-content h4{font-size:17px;font-weight:700;color:var(--primary-light);margin:26px 0 10px;}
.article-content p{margin:0 0 20px;}
.article-content img{border-radius:var(--radius);margin:26px auto;box-shadow:var(--shadow-sm);border:1px solid var(--border);}
.article-content a{color:var(--primary-light);border-bottom:1px dashed rgba(255,107,154,0.5);}
.article-content a:hover{color:var(--accent);}
.article-content ul,.article-content ol{margin:0 0 22px;}
.article-content li{position:relative;padding-left:26px;margin-bottom:10px;}
.article-content li::before{
  content:'';position:absolute;left:6px;top:15px;width:7px;height:7px;
  border-radius:2px;background:var(--primary);
}
.article-content blockquote{
  margin:26px 0;padding:18px 26px;border-left:3px solid var(--accent);
  background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-muted);
}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 16px;text-align:left;}
.article-content th{background:var(--surface-light);color:#fff;font-weight:600;}
.article-content strong{color:#fff;}
.article-empty{
  padding:52px 32px;text-align:center;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-lg);
}
.article-empty h2{font-size:24px;font-weight:800;color:#fff;margin-bottom:12px;}
.article-empty p{color:var(--text-muted);margin-bottom:26px;}
/* 板块 */
.section{padding:74px 0;}
.section-alt{background:var(--dark-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:780px;margin-bottom:40px;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:2px;color:var(--primary-light);margin-bottom:14px;text-transform:uppercase;
}
.section-label::before{content:'';width:26px;height:2px;background:var(--primary);border-radius:2px;}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:1px;line-height:1.4;}
.section-desc{color:var(--text-muted);margin-top:14px;font-size:16px;line-height:1.9;}
/* 看点卡 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feature-card{
  position:relative;padding:30px 26px;border-radius:var(--radius);
  background:linear-gradient(165deg,var(--surface),var(--dark-2));
  border:1px solid var(--border);transition:all var(--transition);overflow:hidden;
}
.feature-card::after{
  content:'';position:absolute;top:-40px;right:-40px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,54,107,0.28),transparent 70%);
  transition:opacity var(--transition);opacity:0.6;
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(230,54,107,0.5);box-shadow:var(--shadow-sm);}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:22px;background:rgba(230,54,107,0.16);border:1px solid rgba(230,54,107,0.3);margin-bottom:18px;
}
.feature-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px;position:relative;z-index:1;}
.feature-card p{font-size:14.5px;color:var(--text-muted);line-height:1.85;position:relative;z-index:1;}
/* 频道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  display:block;border-radius:var(--radius);overflow:hidden;background:var(--surface);
  border:1px solid var(--border);transition:all var(--transition);
}
.channel-card:hover{transform:translateY(-6px);border-color:rgba(230,54,107,0.5);box-shadow:var(--shadow);}
.channel-thumb{position:relative;overflow:hidden;}
.channel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 0.6s var(--transition);}
.channel-card:hover .channel-thumb img{transform:scale(1.06);}
.channel-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(20,8,14,0.85),rgba(20,8,14,0.05));
}
.channel-body{padding:22px 24px 26px;}
.channel-body h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px;}
.channel-body p{font-size:14.5px;color:var(--text-muted);line-height:1.85;}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--primary-light);}
/* 相关推荐列表 */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.post-item{
  display:flex;align-items:center;gap:16px;padding:18px 22px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border);transition:all var(--transition);
}
.post-item:hover{background:var(--surface-light);border-color:rgba(230,54,107,0.45);transform:translateX(4px);}
.post-num{
  font-size:15px;font-weight:800;color:var(--primary-light);font-family:"DIN Alternate",var(--font);
  min-width:28px;
}
.post-title{
  flex:1;font-size:15.5px;color:var(--text);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-arrow{color:var(--text-muted);font-size:16px;transition:all var(--transition);}
.post-item:hover .post-arrow{color:var(--primary-light);transform:translateX(3px);}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);
  overflow:hidden;transition:all var(--transition);
}
.faq-item[open]{border-color:rgba(230,54,107,0.45);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 26px;font-size:16.5px;font-weight:600;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'+';font-size:22px;font-weight:400;color:var(--primary-light);
  transition:transform var(--transition);line-height:1;
}
.faq-item[open] summary::after{content:'−';}
.faq-answer{padding:0 26px 24px;color:var(--text-muted);font-size:15.5px;line-height:1.95;}
/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:56px 52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  background-image:url('/assets/images/backpic/back-6.webp');
  background-size:cover;background-position:center;border:1px solid var(--border);
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(18,6,12,0.95) 25%,rgba(230,54,107,0.45) 100%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;letter-spacing:1px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,0.78);max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}
/* Footer */
.site-footer{background:var(--dark-2);border-top:1px solid var(--border);margin-top:20px;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;
  padding:64px 0 52px;
}
.footer-brand p{color:var(--text-muted);font-size:14.5px;line-height:1.95;margin-top:20px;max-width:420px;}
.footer-col-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:1px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:var(--text-muted);font-size:14.5px;}
.footer-col a:hover{color:var(--primary-light);}
.footer-bottom{border-top:1px solid var(--border);padding:24px 0;}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.footer-copyright{font-size:14px;color:var(--text-muted);}
.footer-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:14px;color:var(--text-muted);}
.footer-links span{transition:color var(--transition);}
.footer-links span:hover{color:var(--text);}
/* 响应式 */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:46px 38px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:68px;}
  .logo{font-size:20px;}
  .logo-mark{width:36px;height:36px;border-radius:10px;font-size:17px;}
  .mobile-menu{top:68px;}
  .page-main{padding-top:68px;}
  .article-hero{padding:44px 0 42px;}
  .article-wrap{padding:40px 0 10px;}
  .article-content{font-size:16px;}
  .article-content h2{font-size:22px;margin-top:36px;}
  .section{padding:56px 0;}
  .post-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding:48px 0 38px;}
}
@media (max-width:520px){
  .feature-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .article-title{font-size:24px;}
  .article-meta{gap:14px;font-size:13px;}
  .btn{padding:14px 28px;font-size:15px;}
  .cta-band{padding:36px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:18px 20px;font-size:15.5px;}
  .faq-answer{padding:0 20px 20px;}
  .post-item{padding:16px 16px;}
}

/* roulang page: category2 */
:root {
  --primary: #e6366b;
  --primary-dark: #c22055;
  --primary-light: #ff6b9a;
  --accent: #ffb830;
  --dark: #1a0d14;
  --dark-2: #241019;
  --dark-3: #331526;
  --surface: #2b121c;
  --surface-light: #3b1a28;
  --text: #f5e8ec;
  --text-muted: #b8949f;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 3px; border-radius: 6px; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(20, 8, 14, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header:hover { box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: 0 4px 16px rgba(230, 54, 107, 0.4); flex-shrink: 0;
}
.logo-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  padding: 10px 18px; border-radius: 999px; font-size: 15px; font-weight: 500;
  color: var(--text); transition: all var(--transition); position: relative; white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active {
  background: var(--primary); color: #fff; font-weight: 600;
  box-shadow: 0 6px 20px rgba(230, 54, 107, 0.35);
}
.nav-toggle { display: none; flex-direction: column; gap: 6px; padding: 10px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
.mobile-menu {
  display: none; position: fixed; top: 78px; left: 0; right: 0;
  background: rgba(20, 8, 14, 0.97); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); padding: 16px 24px 24px;
  flex-direction: column; gap: 4px; z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 16px; width: 100%; border-radius: 12px; font-size: 16px; }

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  padding: 168px 0 96px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(16, 6, 11, 0.95) 22%, rgba(16, 6, 11, 0.78) 58%, rgba(230, 54, 107, 0.34) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.crumbs { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted); margin-bottom: 26px; }
.crumbs a:hover { color: var(--primary-light); }
.crumbs .sep { opacity: 0.5; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  font-size: 14px; font-weight: 600; color: var(--text);
  margin-bottom: 26px; letter-spacing: 2px;
}
.hero-badge .dot { width: 8px; height: 8px; background: #4ade80; border-radius: 50%; box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.2); }
.hero-title {
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.18; font-weight: 900; letter-spacing: 2px;
  margin-bottom: 24px; text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  max-width: 860px;
}
.hero-title span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { font-size: clamp(16px, 1.3vw, 19px); color: var(--text-muted); line-height: 1.95; margin-bottom: 40px; max-width: 720px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 38px; border-radius: 999px; font-size: 16px; font-weight: 700;
  letter-spacing: 1px; transition: all var(--transition); border: none; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 10px 30px rgba(230, 54, 107, 0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(230, 54, 107, 0.55); color: #fff; }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.1); color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2); backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.35); transform: translateY(-3px); color: #fff; }
.hero-metrics {
  display: flex; gap: 52px; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 34px; max-width: 760px;
}
.metric-num {
  font-size: 30px; font-weight: 900; letter-spacing: 1px;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.metric-label { font-size: 14px; color: var(--text-muted); margin-top: 2px; letter-spacing: 1px; }

/* ============ Sections ============ */
.section { padding: 88px 0; }
.section-alt { background: linear-gradient(180deg, var(--dark-2), var(--dark)); }
.section-head { max-width: 740px; margin-bottom: 48px; }
.section-kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 3px;
  color: var(--primary-light); text-transform: uppercase; margin-bottom: 14px;
}
.section-title { font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: 1px; line-height: 1.3; }
.section-title span { color: var(--primary-light); }
.section-sub { color: var(--text-muted); margin-top: 16px; font-size: 16px; line-height: 1.9; }

/* Feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: 24px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-6px); border-color: rgba(230, 54, 107, 0.5); box-shadow: var(--shadow); }
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(230, 54, 107, 0.28), rgba(255, 184, 48, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.5px; }
.feature-card p { color: var(--text-muted); font-size: 15px; line-height: 1.85; }

/* Genre chips */
.genre-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.genre-chip {
  padding: 12px 24px; border-radius: 999px; font-size: 15px; font-weight: 600;
  background: var(--surface-light); border: 1px solid var(--border); color: var(--text);
  transition: all var(--transition);
}
.genre-chip:hover { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-color: transparent; transform: translateY(-3px); box-shadow: 0 10px 24px rgba(230, 54, 107, 0.35); }

/* Pick cards */
.pick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pick-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pick-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(230, 54, 107, 0.45); }
.pick-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.pick-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.pick-card:hover .pick-thumb img { transform: scale(1.06); }
.pick-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20, 8, 14, 0.05) 40%, rgba(20, 8, 14, 0.85) 100%); }
.pick-tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  background: rgba(230, 54, 107, 0.9); color: #fff; backdrop-filter: blur(6px);
}
.pick-body { padding: 24px 26px 28px; }
.pick-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; letter-spacing: 0.5px; }
.pick-body p { color: var(--text-muted); font-size: 14px; line-height: 1.85; }
.pick-meta { display: flex; gap: 14px; margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.pick-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* Specs */
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.spec-item {
  background: linear-gradient(160deg, var(--surface), var(--dark-3));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; transition: transform var(--transition), border-color var(--transition);
}
.spec-item:hover { transform: translateY(-5px); border-color: rgba(255, 184, 48, 0.45); }
.spec-num {
  font-size: 30px; font-weight: 900; letter-spacing: 1px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.spec-label { font-size: 14px; color: var(--text-muted); margin-top: 8px; letter-spacing: 1px; }

/* News list */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.news-card:hover { transform: translateY(-6px); border-color: rgba(230, 54, 107, 0.45); box-shadow: var(--shadow-sm); }
.news-thumb { display: block; aspect-ratio: 16 / 9; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.tag {
  display: inline-block; align-self: flex-start;
  padding: 5px 13px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  background: rgba(230, 54, 107, 0.16); color: var(--primary-light); border: 1px solid rgba(230, 54, 107, 0.3);
  margin-bottom: 14px;
}
.news-title { font-size: 17px; font-weight: 700; line-height: 1.55; margin-bottom: 10px; }
.news-title a:hover { color: var(--primary-light); }
.news-excerpt { color: var(--text-muted); font-size: 14px; line-height: 1.8; flex: 1; }
.news-meta { margin-top: 16px; font-size: 13px; color: var(--text-muted); display: flex; gap: 14px; }
.empty-tip {
  padding: 40px; text-align: center; color: var(--text-muted); font-size: 15px;
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius);
}
.list-more { margin-top: 40px; text-align: center; }
.list-more a {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 32px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18); color: var(--text-muted); font-size: 15px; font-weight: 600;
  transition: all var(--transition);
}
.list-more a:hover { color: #fff; border-color: var(--primary); background: rgba(230, 54, 107, 0.15); }

/* Channel grid */
.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.channel-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); background: var(--surface);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: block;
}
.channel-card:hover { transform: translateY(-6px); border-color: rgba(230, 54, 107, 0.5); box-shadow: var(--shadow); }
.channel-thumb { aspect-ratio: 16 / 9; overflow: hidden; }
.channel-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.channel-card:hover .channel-thumb img { transform: scale(1.07); }
.channel-body { padding: 24px 26px 28px; }
.channel-body h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; letter-spacing: 1px; }
.channel-body p { color: var(--text-muted); font-size: 14px; line-height: 1.85; }
.channel-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 700; color: var(--primary-light); }

/* FAQ */
.faq-list { display: grid; gap: 16px; max-width: 940px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0; overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item[open] { border-color: rgba(230, 54, 107, 0.45); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 22px 28px;
  font-size: 17px; font-weight: 700; letter-spacing: 0.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 22px; font-weight: 400; color: var(--primary-light);
  transition: transform var(--transition); flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--primary-light); }
.faq-answer { padding: 0 28px 24px; color: var(--text-muted); font-size: 15px; line-height: 1.95; }

/* CTA */
.cta-panel {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 66px 56px;
  background-image: url('/assets/images/backpic/back-5.webp');
  background-size: cover; background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}
.cta-panel::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(18, 6, 12, 0.94), rgba(230, 54, 107, 0.42));
}
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 900; letter-spacing: 1px; margin-bottom: 18px; }
.cta-inner p { color: var(--text-muted); font-size: 16px; line-height: 1.95; margin-bottom: 34px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--dark-2); border-top: 1px solid var(--border); padding-top: 64px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 48px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.9; max-width: 380px; }
.footer-col-title { font-size: 15px; font-weight: 800; letter-spacing: 1px; margin-bottom: 18px; color: #fff; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { color: var(--text-muted); font-size: 14px; }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom { border-top: 1px solid var(--border); padding: 22px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.footer-copyright { color: var(--text-muted); font-size: 13px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; color: var(--text-muted); font-size: 13px; }
.footer-links span { opacity: 0.8; }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .section { padding: 72px 0; }
  .pick-grid, .news-grid, .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero-metrics { gap: 36px; }
}
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { height: 70px; }
  .mobile-menu { top: 70px; }
  .logo { font-size: 20px; }
  .logo-mark { width: 38px; height: 38px; font-size: 18px; }
  .page-hero { padding: 128px 0 72px; }
  .cta-panel { padding: 52px 28px; }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .section { padding: 58px 0; }
  .pick-grid, .news-grid, .channel-grid, .spec-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions { gap: 12px; }
  .btn { width: 100%; padding: 15px 24px; }
  .hero-metrics { gap: 26px; }
  .metric-num { font-size: 25px; }
  .hero-title { letter-spacing: 1px; }
  .faq-item summary { padding: 18px 20px; font-size: 16px; }
  .faq-answer { padding: 0 20px 20px; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .cta-actions .btn { width: 100%; }
  .genre-chip { padding: 10px 18px; font-size: 14px; }
}

/* roulang page: category3 */
:root {
  --primary: #e6366b;
  --primary-dark: #c22055;
  --primary-light: #ff6b9a;
  --accent: #ffb830;
  --dark: #1a0d14;
  --dark-2: #241019;
  --dark-3: #331526;
  --surface: #2b121c;
  --surface-light: #3b1a28;
  --text: #f5e8ec;
  --text-muted: #b8949f;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, p, figure { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 3px; border-radius: 6px; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(20, 8, 14, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header:hover { box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: 0 4px 16px rgba(230, 54, 107, 0.4); flex-shrink: 0;
}
.logo-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  padding: 10px 18px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--text);
  transition: all var(--transition); white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active {
  background: var(--primary); color: #fff; font-weight: 600;
  box-shadow: 0 6px 20px rgba(230, 54, 107, 0.35);
}
.nav-toggle { display: none; flex-direction: column; gap: 6px; padding: 10px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }
.mobile-menu {
  display: none; position: fixed; top: 78px; left: 0; right: 0;
  background: rgba(20, 8, 14, 0.97); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px; flex-direction: column; gap: 4px; z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 16px; width: 100%; border-radius: 12px; font-size: 16px; }

/* Hero */
.cat-hero { position: relative; overflow: hidden; padding: 148px 0 88px; border-bottom: 1px solid var(--border); }
.cat-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover; background-position: center;
}
.cat-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(18, 6, 12, 0.95) 22%, rgba(18, 6, 12, 0.76) 58%, rgba(230, 54, 107, 0.3) 100%);
}
.cat-hero-inner { position: relative; z-index: 1; max-width: 900px; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb .sep { opacity: 0.5; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  font-size: 14px; font-weight: 600; letter-spacing: 2px;
  margin-bottom: 26px;
}
.hero-badge .dot { width: 8px; height: 8px; background: #4ade80; border-radius: 50%; box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.2); }
.cat-title {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.2; font-weight: 900; letter-spacing: 1px;
  margin-bottom: 24px; text-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
}
.cat-title span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.cat-lead { font-size: clamp(15px, 1.2vw, 18px); color: var(--text-muted); line-height: 1.95; max-width: 720px; margin-bottom: 30px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.tag {
  padding: 7px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border); color: var(--text);
}
.tag-accent { background: rgba(230, 54, 107, 0.16); border-color: rgba(230, 54, 107, 0.4); color: var(--primary-light); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 36px; border-radius: 999px;
  font-size: 16px; font-weight: 700; letter-spacing: 1px;
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 10px 30px rgba(230, 54, 107, 0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(230, 54, 107, 0.55); }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.1); color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2); backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.35); transform: translateY(-3px); }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 32px; max-width: 720px;
}
.stat-item strong { display: block; font-size: 26px; font-weight: 900; color: var(--accent); letter-spacing: 1px; }
.stat-item span { font-size: 13px; color: var(--text-muted); letter-spacing: 1px; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--dark-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-tag {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--primary-light); background: rgba(230, 54, 107, 0.14);
  border: 1px solid rgba(230, 54, 107, 0.3); margin-bottom: 18px;
}
.section-title { font-size: clamp(26px, 2.6vw, 38px); font-weight: 800; line-height: 1.35; letter-spacing: 1px; margin-bottom: 16px; }
.section-desc { color: var(--text-muted); font-size: 16px; line-height: 1.9; }

/* Feature cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.feature-card {
  background: linear-gradient(180deg, var(--surface), var(--dark-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 28px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(230, 54, 107, 0.45); }
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(230, 54, 107, 0.9), rgba(255, 184, 48, 0.85));
  box-shadow: 0 8px 22px rgba(230, 54, 107, 0.3);
}
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.5px; }
.feature-card p { font-size: 15px; color: var(--text-muted); line-height: 1.9; }

/* Genre cards */
.genre-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); background: var(--surface);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.genre-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(230, 54, 107, 0.45); }
.genre-card figure { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.genre-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.genre-card:hover img { transform: scale(1.07); }
.genre-card figure::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(26, 13, 20, 0) 35%, rgba(26, 13, 20, 0.92) 100%);
}
.genre-body { padding: 18px 20px 22px; }
.genre-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.genre-body p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.genre-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: rgba(230, 54, 107, 0.9); color: #fff; letter-spacing: 1px;
}

/* Split block */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.split-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split-media .media-tag {
  position: absolute; left: 18px; bottom: 18px;
  padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700;
  background: rgba(20, 8, 14, 0.78); border: 1px solid var(--border); backdrop-filter: blur(8px);
}
.split-content h2 { font-size: clamp(24px, 2.4vw, 34px); font-weight: 800; line-height: 1.4; margin-bottom: 20px; letter-spacing: 1px; }
.split-content > p { color: var(--text-muted); font-size: 16px; line-height: 1.95; margin-bottom: 28px; }
.check-list { display: flex; flex-direction: column; gap: 16px; }
.check-list li { display: flex; gap: 14px; align-items: flex-start; font-size: 15px; color: var(--text); line-height: 1.85; }
.check-list li::before {
  content: '✓'; flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; margin-top: 3px;
  background: rgba(230, 54, 107, 0.2); color: var(--primary-light);
  border: 1px solid rgba(230, 54, 107, 0.45);
}

/* Pick cards */
.pick-card {
  background: linear-gradient(180deg, var(--surface), var(--dark-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pick-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(255, 184, 48, 0.45); }
.pick-card figure { aspect-ratio: 3 / 4; overflow: hidden; }
.pick-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.pick-card:hover img { transform: scale(1.06); }
.pick-body { padding: 16px 18px 20px; }
.pick-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.pick-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
.pick-meta .score { color: var(--accent); font-weight: 700; }

/* Post list */
.post-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.post-item {
  display: block; padding: 22px 24px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  transition: all var(--transition);
}
.post-item:hover { border-color: rgba(230, 54, 107, 0.5); transform: translateX(6px); box-shadow: var(--shadow-sm); }
.post-time { display: inline-block; font-size: 12px; color: var(--text-muted); letter-spacing: 1px; margin-bottom: 10px; }
.post-title { display: block; font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.post-item:hover .post-title { color: var(--primary-light); }
.post-excerpt { display: block; font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.post-empty { grid-column: 1 / -1; padding: 40px 24px; text-align: center; color: var(--text-muted); border: 1px dashed var(--border); border-radius: var(--radius); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 900px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition);
}
.faq-item[open] { border-color: rgba(230, 54, 107, 0.45); }
.faq-item summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 20px 62px 20px 24px;
  font-size: 16px; font-weight: 700; color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 400; color: var(--primary-light); line-height: 1;
}
.faq-item[open] summary::after { content: '−'; }
.faq-answer { padding: 0 24px 22px; color: var(--text-muted); font-size: 15px; line-height: 1.95; }

/* CTA */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 64px 48px; text-align: center;
  background-image: url('/assets/images/backpic/back-5.webp');
  background-size: cover; background-position: center;
}
.cta-band::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(18, 6, 12, 0.94), rgba(194, 32, 85, 0.55));
}
.cta-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(24px, 2.6vw, 36px); font-weight: 900; line-height: 1.4; margin-bottom: 18px; letter-spacing: 1px; }
.cta-inner p { color: var(--text-muted); font-size: 16px; line-height: 1.95; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--dark-2); border-top: 1px solid var(--border); padding: 70px 0 0; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand .logo { margin-bottom: 18px; font-size: 22px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.9; max-width: 340px; }
.footer-col-title { font-size: 15px; font-weight: 700; margin-bottom: 18px; letter-spacing: 1px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: var(--text-muted); font-size: 14px; }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom { margin-top: 56px; border-top: 1px solid var(--border); padding: 24px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer-copyright { color: var(--text-muted); font-size: 13px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; color: var(--text-muted); font-size: 13px; }
.footer-links span:hover { color: var(--primary-light); }

@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
  .cat-hero { padding: 128px 0 72px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-2, .post-list { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
  .stat-item strong { font-size: 22px; }
  .cta-band { padding: 48px 24px; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .header-inner { height: 68px; }
  .logo { font-size: 19px; }
  .logo-mark { width: 36px; height: 36px; font-size: 17px; border-radius: 10px; }
  .mobile-menu { top: 68px; }
  .cat-hero { padding: 108px 0 60px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .btn { padding: 14px 26px; font-size: 15px; width: 100%; }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .stat-item { min-width: 40%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* roulang page: category1 */
:root {
  --primary: #e6366b;
  --primary-dark: #c22055;
  --primary-light: #ff6b9a;
  --accent: #ffb830;
  --dark: #1a0d14;
  --dark-2: #241019;
  --dark-3: #331526;
  --surface: #2b121c;
  --surface-light: #3b1a28;
  --text: #f5e8ec;
  --text-muted: #b8949f;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
/* roulang page: category */
*, *::before, *::after { box-sizing: border-box; }
h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-weight: 800; line-height: 1.25; letter-spacing: 1px; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(20, 8, 14, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.scrolled { box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45); background: rgba(18, 7, 12, 0.94); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(230, 54, 107, 0.4);
  flex-shrink: 0;
}
.logo-text span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(230, 54, 107, 0.35);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border-radius: 10px;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 78px; left: 0; right: 0;
  background: rgba(20, 8, 14, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 16px; width: 100%; border-radius: 12px; font-size: 16px; }

/* Page hero */
.page-hero {
  position: relative;
  padding: 168px 0 92px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(18, 6, 12, 0.95) 18%, rgba(24, 8, 16, 0.82) 52%, rgba(230, 54, 107, 0.28) 100%);
}
.page-hero-inner { position: relative; z-index: 2; max-width: 860px; }
.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.crumb a:hover { color: var(--primary-light); }
.crumb .sep { opacity: 0.5; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.2);
}
.page-title {
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.18;
  font-weight: 900;
  margin-bottom: 24px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
}
.page-title span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-sub {
  font-size: clamp(15px, 1.25vw, 18px);
  color: var(--text-muted);
  line-height: 1.95;
  max-width: 720px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 36px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 30px rgba(230, 54, 107, 0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(230, 54, 107, 0.55); color: #fff; }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.35); transform: translateY(-3px); color: #fff; }
.hero-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--text);
}
.meta-chip strong { color: var(--accent); font-weight: 700; }

/* Sections */
.section { padding: 88px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--dark-2), var(--dark)); }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(230, 54, 107, 0.14);
  border: 1px solid rgba(230, 54, 107, 0.35);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(26px, 3vw, 40px);
  margin-bottom: 18px;
}
.section-title span { color: var(--primary-light); }
.section-desc { color: var(--text-muted); font-size: 16px; line-height: 1.9; }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Feature card */
.feature-card {
  background: linear-gradient(160deg, var(--surface), var(--dark-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(230, 54, 107, 0.4); }
.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: linear-gradient(135deg, rgba(230, 54, 107, 0.25), rgba(255, 184, 48, 0.18));
  border: 1px solid rgba(230, 54, 107, 0.3);
  margin-bottom: 20px;
}
.card-title { font-size: 19px; margin-bottom: 12px; }
.card-text { color: var(--text-muted); font-size: 15px; line-height: 1.85; }

/* Genre card */
.genre-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.genre-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(255, 184, 48, 0.45); }
.genre-thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.genre-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.genre-card:hover .genre-thumb img { transform: scale(1.08); }
.genre-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 8, 14, 0.05) 30%, rgba(20, 8, 14, 0.92) 100%);
}
.genre-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; z-index: 2; }
.genre-name { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.genre-desc { font-size: 13px; color: var(--text-muted); }
.genre-count {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(20, 8, 14, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}

/* Pick card */
.pick-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pick-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(230, 54, 107, 0.45); }
.pick-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.pick-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.pick-card:hover .pick-thumb img { transform: scale(1.07); }
.pick-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 8, 14, 0) 45%, rgba(20, 8, 14, 0.8) 100%);
}
.pick-time {
  position: absolute;
  right: 12px; bottom: 12px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(20, 8, 14, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.pick-tag {
  position: absolute;
  left: 12px; top: 12px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}
.pick-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.pick-title { font-size: 16px; font-weight: 700; line-height: 1.5; }
.pick-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); margin-top: auto; }
.pick-meta span {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}

/* Stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(230, 54, 107, 0.16), rgba(255, 184, 48, 0.08));
  border: 1px solid rgba(230, 54, 107, 0.28);
}
.stat-box { text-align: center; }
.stat-num {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }

/* Trend list */
.trend-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.trend-item:hover { transform: translateX(6px); border-color: rgba(255, 184, 48, 0.4); background: var(--surface-light); }
.trend-rank {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  background: rgba(230, 54, 107, 0.16);
  border: 1px solid rgba(230, 54, 107, 0.35);
  color: var(--primary-light);
}
.trend-title { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.trend-text { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
}
.faq-item[open] { border-color: rgba(230, 54, 107, 0.45); background: var(--surface-light); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--primary-light);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 26px 24px; color: var(--text-muted); font-size: 15px; line-height: 1.9; }

/* Channel grid */
.channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--dark-2));
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.channel-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(230, 54, 107, 0.45); }
.channel-card.is-current { border-color: rgba(255, 184, 48, 0.5); background: linear-gradient(160deg, rgba(255, 184, 48, 0.12), var(--dark-2)); }
.channel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.channel-name { font-size: 20px; font-weight: 800; }
.channel-flag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 184, 48, 0.16);
  border: 1px solid rgba(255, 184, 48, 0.4);
  color: var(--accent);
  white-space: nowrap;
}
.channel-desc { font-size: 14px; color: var(--text-muted); line-height: 1.85; }
.channel-more { font-size: 14px; font-weight: 700; color: var(--primary-light); }
.channel-card:hover .channel-more { color: var(--accent); }

/* CTA band */
.cta-band {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 72px 48px;
  text-align: center;
  border: 1px solid rgba(230, 54, 107, 0.3);
}
.cta-band-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-6.webp');
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.cta-band-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(18, 6, 12, 0.93), rgba(230, 54, 107, 0.35));
}
.cta-band h2 { font-size: clamp(24px, 3vw, 38px); margin-bottom: 18px; }
.cta-band p { color: var(--text-muted); font-size: 16px; max-width: 640px; margin: 0 auto 34px; line-height: 1.9; }

/* Footer */
.site-footer { background: var(--dark-2); border-top: 1px solid var(--border); padding-top: 68px; margin-top: 20px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 52px;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.9; max-width: 420px; }
.footer-col-title { font-size: 16px; font-weight: 800; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 14px; color: var(--text-muted); }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom { border-top: 1px solid var(--border); padding: 24px 0; }
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-copyright { font-size: 13px; color: var(--text-muted); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--text-muted); }

/* Responsive */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .section { padding: 72px 0; }
}
@media (max-width: 768px) {
  .header-inner { height: 68px; }
  .mobile-menu { top: 68px; }
  .logo { font-size: 20px; }
  .logo-mark { width: 36px; height: 36px; font-size: 17px; border-radius: 10px; }
  .page-hero { padding: 128px 0 68px; }
  .hero-actions { gap: 12px; }
  .btn { padding: 14px 28px; font-size: 15px; flex: 1 1 auto; }
  .section { padding: 60px 0; }
  .section-head { margin-bottom: 36px; }
  .grid { gap: 18px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cta-band { padding: 52px 24px; }
  .faq-item summary { padding: 18px 20px; font-size: 16px; }
  .faq-item p { padding: 0 20px 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .page-title { font-size: 30px; }
  .stats-bar { grid-template-columns: 1fr; gap: 26px; padding: 28px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
  .hero-meta { gap: 10px; }
  .meta-chip { font-size: 13px; padding: 8px 14px; }
}