/* roulang page: index */
:root {
  --ink-950: #101014;
  --ink-900: #16161A;
  --ink-600: #4B4E57;
  --paper-50: #FAF8F5;
  --paper-100: #F0EDE8;
  --gold-400: #C9A96A;
  --gold-600: #A98644;
  --accent-500: #D8582E;
  --font-sans: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper-50);
  color: var(--ink-950);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 767px) {
  .container { padding: 0 16px; }
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16, 16, 20, 0.08);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(16, 16, 20, 0.06); }
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 32px;
  transition: all .35s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  max-height: 68px;
}
.site-header.scrolled .header-top {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
}
.brand {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-950);
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.brand::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 24px;
  background: var(--gold-400);
  border-radius: 2px;
}
.hot-links { display: flex; align-items: center; gap: 20px; }
.hot-link {
  font-size: 13px;
  color: var(--ink-600);
  padding: 4px 10px;
  border: 1px solid rgba(16, 16, 20, 0.12);
  border-radius: 999px;
  transition: all .25s ease;
  white-space: nowrap;
}
.hot-link:hover {
  color: var(--gold-600);
  border-color: var(--gold-400);
  background: rgba(201, 169, 106, 0.06);
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(16, 16, 20, 0.1);
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-950);
  transition: all .25s ease;
}
.icon-btn:hover { background: rgba(201, 169, 106, 0.12); border-color: var(--gold-400); color: var(--gold-600); }
.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 32px;
  height: 60px;
  border-top: 1px solid rgba(16, 16, 20, 0.06);
  transition: all .35s cubic-bezier(0.22, 1, 0.36, 1);
}
.site-header.scrolled .header-bottom { height: 64px; border-top: none; }
.channel-nav { display: flex; align-items: center; gap: 4px; }
.channel-nav a {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-600);
  transition: color .25s ease;
  white-space: nowrap;
}
.channel-nav a::after {
  content: '';
  position: absolute;
  left: 16px; right: auto; bottom: 4px;
  width: 0; height: 2px;
  background: var(--gold-400);
  border-radius: 2px;
  transition: width .3s cubic-bezier(0.22, 1, 0.36, 1);
}
.channel-nav a:hover { color: var(--ink-950); }
.channel-nav a:hover::after { width: calc(100% - 32px); }
.channel-nav a.active { color: var(--gold-600); font-weight: 600; }
.channel-nav a.active::after { width: calc(100% - 32px); }
.header-search { display: flex; align-items: center; max-width: 360px; width: 100%; }
.header-search input {
  height: 44px;
  background: var(--paper-100);
  border: 1px solid transparent;
  border-radius: 999px 0 0 999px;
  padding: 0 20px;
  font-size: 14px;
  flex: 1;
  transition: all .25s ease;
  min-width: 0;
}
.header-search input:focus {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.15);
  outline: none;
}
.header-search button {
  height: 44px;
  padding: 0 20px;
  background: var(--ink-950);
  color: var(--paper-50);
  border: none;
  border-radius: 0 999px 999px 0;
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
  white-space: nowrap;
}
.header-search button:hover { background: var(--gold-600); }
.header-search button:active { transform: translateY(1px); }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: var(--paper-50);
  border-bottom: 1px solid rgba(16, 16, 20, 0.08);
  padding: 16px;
  z-index: 99;
  box-shadow: 0 20px 40px rgba(16, 16, 20, 0.1);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-950);
  border-bottom: 1px solid rgba(16, 16, 20, 0.06);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--gold-600); font-weight: 600; }
.mobile-search { display: flex; margin-top: 12px; }
.mobile-search input {
  flex: 1;
  height: 44px;
  background: var(--paper-100);
  border: none;
  border-radius: 999px 0 0 999px;
  padding: 0 16px;
  font-size: 14px;
}
.mobile-search button {
  height: 44px;
  padding: 0 16px;
  background: var(--ink-950);
  color: var(--paper-50);
  border: none;
  border-radius: 0 999px 999px 0;
  font-size: 14px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 140px;
  padding-bottom: 40px;
  background:
    linear-gradient(135deg, rgba(16, 16, 20, 0.72), rgba(16, 16, 20, 0.32)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: var(--paper-50);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 106, 0.12), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: 60px;
  align-items: center;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}
.hero h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  color: var(--paper-50);
}
.hero-sub {
  font-size: 18px;
  color: rgba(250, 248, 245, 0.75);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: var(--gold-400);
  color: var(--ink-950);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: all .3s cubic-bezier(0.22, 1, 0.36, 1);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--gold-600); box-shadow: 0 12px 24px rgba(201, 169, 106, 0.25); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--paper-50);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: all .3s cubic-bezier(0.22, 1, 0.36, 1);
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-400); }
.btn-ghost:active { transform: translateY(1px); }
.hero-right { display: flex; flex-direction: column; gap: 16px; }
.entry-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(250, 248, 245, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 20px 24px;
  color: var(--paper-50);
  transition: all .3s ease;
  backdrop-filter: blur(4px);
}
.entry-card:hover { background: rgba(201, 169, 106, 0.12); border-color: rgba(201, 169, 106, 0.4); transform: translateX(4px); }
.entry-name { font-size: 16px; font-weight: 700; flex: 1; }
.entry-desc { font-size: 13px; color: rgba(250, 248, 245, 0.6); flex: 1.4; }
.entry-arrow { font-size: 20px; color: var(--gold-400); transition: transform .3s ease; }
.entry-card:hover .entry-arrow { transform: translateX(4px); }
.hero-stats {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 80px;
  z-index: 2;
}
.hero-stats > div { text-align: center; }
.stat-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--gold-400);
  display: block;
  line-height: 1.2;
}
.stat-label { font-size: 14px; color: rgba(250, 248, 245, 0.55); }

/* 频道快速通道 */
.channels {
  padding: 48px 0;
  border-bottom: 1px solid rgba(16, 16, 20, 0.06);
}
.channels-inner {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.channels-inner::-webkit-scrollbar { display: none; }
.channel-pill {
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid rgba(16, 16, 20, 0.12);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-600);
  transition: all .25s ease;
  white-space: nowrap;
  background: var(--paper-50);
}
.channel-pill:hover {
  color: var(--gold-600);
  border-color: var(--gold-400);
  background: rgba(201, 169, 106, 0.04);
}

/* 板块 */
.section { padding: 96px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  position: relative;
  padding-bottom: 12px;
}
.section-head h2::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: var(--gold-400);
  border-radius: 2px;
}
.section-link {
  font-size: 14px;
  color: var(--ink-600);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .25s ease;
}
.section-link:hover { color: var(--gold-600); }

/* 热门内容网格 */
.hot-grid-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}
.hot-grid-left {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.card-large { grid-column: span 2; }
.cover-card {
  background: var(--paper-50);
  border: 1px solid rgba(16, 16, 20, 0.06);
  border-radius: 12px;
  overflow: hidden;
  transition: all .4s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 1px 2px rgba(16, 16, 20, 0.04);
  display: block;
}
.cover-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(16, 16, 20, 0.15);
  border-color: rgba(201, 169, 106, 0.3);
}
.cover-wrap { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--paper-100); }
.cover-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(0.22, 1, 0.36, 1); }
.cover-card:hover .cover-wrap img { transform: scale(1.03); }
.card-large .cover-wrap { aspect-ratio: 16/8; }
.badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(16, 16, 20, 0.8);
  color: var(--paper-50);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.badge.badge-hot { background: var(--accent-500); }
.badge.badge-new { background: var(--gold-600); }
.badge.badge-rec { background: rgba(16, 16, 20, 0.8); }
.card-body { padding: 24px; }
.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s ease;
}
.cover-card:hover .card-body h3 { color: var(--gold-600); }
.card-body p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-600);
}
.card-meta .dot { width: 1px; height: 12px; background: rgba(16, 16, 20, 0.15); }

/* 最新资讯 */
.latest { background: var(--paper-100); padding: 96px 0; }
.latest-list { border-top: 1px solid rgba(16, 16, 20, 0.08); }
.latest-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 20px 8px;
  border-bottom: 1px solid rgba(16, 16, 20, 0.08);
  transition: all .3s ease;
  border-radius: 8px;
}
.latest-row:hover { background: rgba(255, 255, 255, 0.5); padding-left: 16px; padding-right: 16px; }
.latest-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-600);
  background: rgba(201, 169, 106, 0.1);
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
  width: 90px;
  text-align: center;
  flex-shrink: 0;
}
.latest-title {
  font-size: 16px;
  font-weight: 600;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .25s ease;
}
.latest-row:hover .latest-title { color: var(--gold-600); }
.latest-summary {
  font-size: 14px;
  color: var(--ink-600);
  flex: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.latest-date {
  font-size: 13px;
  color: var(--ink-600);
  font-family: var(--font-serif);
  white-space: nowrap;
  flex-shrink: 0;
}
.empty-state {
  padding: 60px 24px;
  text-align: center;
  border: 2px dashed rgba(16, 16, 20, 0.15);
  border-radius: 12px;
  color: var(--ink-600);
  font-size: 15px;
}

/* 口碑轮播 */
.testimonials { background: var(--ink-950); color: var(--paper-50); padding: 96px 0; }
.testimonials .section-head h2 { color: var(--paper-50); }
.testimonials .section-head h2::after { background: var(--gold-400); }
.testimonials .section-link { color: rgba(250, 248, 245, 0.6); }
.testimonials .section-link:hover { color: var(--gold-400); }
.testi-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding-bottom: 8px;
}
.testi-track::-webkit-scrollbar { display: none; }
.testi-card {
  min-width: 320px;
  background: var(--ink-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 32px;
  transition: all .3s ease;
  flex-shrink: 0;
}
.testi-card:hover { border-color: rgba(201, 169, 106, 0.3); }
.testi-stars { display: flex; gap: 4px; margin-bottom: 16px; }
.testi-stars span { color: var(--gold-400); font-size: 16px; }
.testi-text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(250, 248, 245, 0.8);
  margin-bottom: 20px;
}
.testi-author { font-size: 14px; color: rgba(250, 248, 245, 0.5); }

/* 保障条 */
.guarantee { padding: 72px 0; border-bottom: 1px solid rgba(16, 16, 20, 0.06); }
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.guarantee-item { text-align: center; padding: 24px; }
.guarantee-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(201, 169, 106, 0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 22px;
  color: var(--gold-600);
}
.guarantee-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.guarantee-item p { font-size: 13px; color: var(--ink-600); }

/* CTA */
.cta-section {
  padding: 96px 0;
  background: var(--ink-950);
  color: var(--paper-50);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201, 169, 106, 0.1), transparent 60%);
}
.cta-inner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.cta-inner h2 { font-size: 32px; font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(250, 248, 245, 0.7); margin-bottom: 32px; max-width: 480px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.cta-image { border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(16, 16, 20, 0.4); }
.cta-image img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* FAQ */
.faq-section { padding: 96px 0; }
.faq-grid { display: grid; grid-template-columns: 6fr 6fr; gap: 60px; }
.faq-left h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; position: relative; padding-bottom: 12px; }
.faq-left h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--gold-400); }
.faq-left p { color: var(--ink-600); font-size: 15px; line-height: 1.7; }
.faq-list { border-top: 1px solid rgba(16, 16, 20, 0.08); }
.faq-item { border-bottom: 1px solid rgba(16, 16, 20, 0.08); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-950);
  cursor: pointer;
  transition: color .25s ease;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}
.faq-question:hover { color: var(--gold-600); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1.5px solid rgba(16, 16, 20, 0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: all .3s ease;
  color: var(--ink-600);
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--gold-400);
  color: var(--gold-600);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 0 4px 20px;
  background: var(--paper-100);
  border-radius: 8px;
  margin: 0 4px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.8;
}

/* 页脚 */
.site-footer {
  background: var(--ink-950);
  color: rgba(250, 248, 245, 0.7);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand { font-size: 20px; font-weight: 900; color: var(--paper-50); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-brand::after { content: ''; width: 2px; height: 20px; background: var(--gold-400); border-radius: 2px; }
.footer-desc { font-size: 14px; line-height: 1.8; max-width: 280px; color: rgba(250, 248, 245, 0.5); }
.footer-col h5 { font-size: 14px; font-weight: 700; color: var(--paper-50); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; padding: 6px 0; color: rgba(250, 248, 245, 0.55); transition: all .25s ease; }
.footer-col a:hover { color: var(--gold-400); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(250, 248, 245, 0.35);
  flex-wrap: wrap;
  gap: 8px;
}

/* reveal 动效 */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s cubic-bezier(0.22, 1, 0.36, 1), transform .6s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* 移动端断点 */
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { gap: 40px; }
  .hot-grid-layout { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
  .footer-grid .footer-desc { max-width: 100%; }
  .header-bottom { padding: 0 16px; }
  .header-top { padding: 12px 16px; }
}
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .latest { padding: 56px 0; }
  .testimonials { padding: 56px 0; }
  .guarantee { padding: 40px 0; }
  .cta-section { padding: 56px 0; }
  .faq-section { padding: 56px 0; }
  .hero { padding-top: 120px; }
  .hero h1 { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .hero-stats { position: static; transform: none; margin-top: 48px; justify-content: center; gap: 24px; }
  .stat-num { font-size: 28px; }
  .stat-label { font-size: 12px; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; }
  .hot-grid-left { grid-template-columns: 1fr; }
  .card-large { grid-column: span 1; }
  .card-large .cover-wrap { aspect-ratio: 16/10; }
  .latest-row { flex-wrap: wrap; gap: 8px; padding: 16px 8px; }
  .latest-title { flex-basis: 100%; white-space: normal; line-height: 1.5; }
  .latest-summary { flex-basis: 100%; white-space: normal; }
  .latest-date { margin-left: auto; }
  .guarantee-grid { grid-template-columns: 2fr 2fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-grid > div:first-child { grid-column: span 2; }
  .cta-inner h2 { font-size: 24px; }
  .cta-actions .btn-primary, .cta-actions .btn-ghost { width: 100%; }
  .header-top { display: flex; }
  .hot-links { display: none; }
  .header-bottom { display: none; }
  .testi-card { min-width: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .cover-card:hover { transform: none; }
  .entry-card:hover { transform: none; }
}

/* roulang page: article */
:root {
  --ink-950: #101014;
  --ink-900: #16161A;
  --ink-600: #4B4E57;
  --paper-50: #FAF8F5;
  --paper-100: #F0EDE8;
  --gold-400: #C9A96A;
  --gold-600: #A98644;
  --accent-500: #D8582E;
  --card-shadow: 0 1px 2px rgba(16, 16, 20, 0.04);
  --card-shadow-lg: 0 20px 40px -12px rgba(16, 16, 20, 0.15);
  --line-light: 1px solid rgba(16, 16, 20, 0.08);
  --line-dark: 1px solid rgba(255, 255, 255, 0.08);
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--paper-50);
  color: var(--ink-950);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: var(--line-light);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(16, 16, 20, 0.06);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  max-width: 1280px;
  margin: 0 auto;
  border-bottom: var(--line-light);
  transition: padding 0.3s ease;
}

.header-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  max-width: 1280px;
  margin: 0 auto;
  transition: min-height 0.3s ease;
}

.brand {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-950);
  position: relative;
  padding-left: 14px;
  line-height: 1.2;
}

.brand::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 24px;
  background: var(--gold-400);
}

.hot-links {
  display: flex;
  gap: 24px;
}

.hot-link {
  font-size: 14px;
  color: var(--ink-600);
  position: relative;
  padding: 2px 0;
}

.hot-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gold-400);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.hot-link:hover {
  color: var(--gold-600);
}

.hot-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-600);
  transition: background-color 0.25s ease, color 0.25s ease;
}

.icon-btn:hover {
  background: rgba(201, 169, 106, 0.12);
  color: var(--gold-600);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 56px;
}

.channel-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-600);
  position: relative;
  padding: 6px 0;
  letter-spacing: 0.02em;
}

.channel-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gold-400);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.channel-nav a:hover {
  color: var(--gold-600);
}

.channel-nav a:hover::after,
.channel-nav a.active::after {
  width: 100%;
}

.channel-nav a.active {
  color: var(--gold-600);
  font-weight: 600;
}

.header-search {
  display: flex;
  align-items: center;
  height: 44px;
  background: var(--paper-100);
  border-radius: var(--radius-full);
  padding-left: 20px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, border-width 0.25s ease;
  border: 1px solid transparent;
  max-width: 320px;
  width: 100%;
}

.header-search:focus-within {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.15);
}

.header-search input {
  flex: 1;
  font-size: 14px;
  color: var(--ink-950);
  background: transparent;
  min-width: 0;
}

.header-search input::placeholder {
  color: var(--ink-600);
  opacity: 0.6;
}

.header-search button {
  height: 100%;
  padding: 0 22px;
  background: var(--gold-400);
  color: var(--ink-950);
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  transition: background-color 0.25s ease;
}

.header-search button:hover {
  background: var(--gold-600);
  color: #fff;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--paper-50);
  border-bottom: 1px solid rgba(16, 16, 20, 0.08);
  padding: 16px;
  flex-direction: column;
  gap: 4px;
  z-index: 99;
  box-shadow: 0 20px 40px rgba(16, 16, 20, 0.1);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 12px 12px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  color: var(--ink-600);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--paper-100);
  color: var(--gold-600);
}

.mobile-search {
  display: flex;
  align-items: center;
  height: 44px;
  background: var(--paper-100);
  border-radius: 9999px;
  margin-bottom: 8px;
  overflow: hidden;
  border: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.mobile-search:focus-within {
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.15);
}

.mobile-search input {
  flex: 1;
  min-width: 0;
  padding: 0 20px;
  font-size: 14px;
  color: var(--ink-950);
}

.mobile-search input::placeholder {
  color: var(--ink-600);
  opacity: 0.6;
}

.mobile-search button {
  height: 100%;
  padding: 0 18px;
  background: var(--gold-400);
  color: var(--ink-950);
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 9999px 9999px 0;
  transition: background-color 0.25s ease;
}

.mobile-search button:hover {
  background: var(--gold-600);
  color: #fff;
}

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(16,16,20,0.82) 0%, rgba(16,16,20,0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 72px 0 64px;
  margin-bottom: 56px;
}

.article-hero::after {
  content: '';
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,106,0.12), transparent 70%);
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--gold-400);
}

.breadcrumb .sep {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

.breadcrumb .current {
  color: rgba(255,255,255,0.85);
  max-width: 360px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumb .current-cat {
  color: rgba(255,255,255,0.85);
}

.article-title {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--paper-50);
  max-width: 860px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  position: relative;
  z-index: 1;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-item .meta-label {
  color: rgba(255,255,255,0.45);
}

.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
}

/* ========== Article Body ========== */
.article-body-wrap {
  padding-bottom: 64px;
}

.article-container {
  max-width: 768px;
  margin: 0 auto;
}

.article-content {
  font-size: 16px;
  line-height: 1.75;
  color: #3A3836;
}

.article-content > * + * {
  margin-top: 0;
}

.article-content p {
  margin-bottom: 28px;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-950);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
  line-height: 1.4;
  scroll-margin-top: 100px;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-950);
  margin: 36px 0 12px;
  line-height: 1.4;
  scroll-margin-top: 100px;
}

.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-950);
  margin: 28px 0 12px;
}

.article-content a {
  color: var(--gold-600);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-word;
}

.article-content a:hover {
  color: var(--gold-400);
}

.article-content ul,
.article-content ol {
  margin: 0 0 28px;
  padding-left: 24px;
}

.article-content ul li {
  margin-bottom: 10px;
  list-style: disc;
  padding-left: 4px;
}

.article-content ol li {
  margin-bottom: 10px;
  list-style: decimal;
  padding-left: 4px;
}

.article-content li::marker {
  color: var(--gold-600);
}

.article-content blockquote {
  border-left: 3px solid var(--gold-400);
  background: var(--paper-100);
  padding: 20px 24px;
  margin: 32px 0;
  border-radius: 0 8px 8px 0;
  color: var(--ink-600);
  font-style: normal;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content img {
  border-radius: 12px;
  margin: 32px 0;
  width: 100%;
  height: auto;
}

.article-content figure {
  margin: 32px 0;
}

.article-content figure img {
  margin: 0;
}

.article-content figure figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--ink-600);
  margin-top: 8px;
}

.article-content hr {
  border: none;
  border-top: var(--line-light);
  margin: 48px 0;
}

.article-content strong {
  color: var(--ink-950);
  font-weight: 700;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
  overflow-x: auto;
  display: block;
}

.article-content th {
  background: var(--paper-100);
  font-weight: 600;
  text-align: left;
}

.article-content th,
.article-content td {
  border: var(--line-light);
  padding: 12px 16px;
}

/* Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 36px;
  margin-top: 8px;
  border-top: var(--line-light);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 9999px;
  background: var(--paper-100);
  color: var(--ink-600);
  font-size: 13px;
  font-weight: 500;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.tag:hover {
  background: var(--gold-400);
  color: var(--ink-950);
}

/* Share */
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  margin-top: 20px;
  border-top: var(--line-light);
}

.share-label {
  font-size: 13px;
  color: var(--ink-600);
  margin-right: 4px;
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-100);
  color: var(--ink-600);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.share-btn:hover {
  background: var(--gold-400);
  color: var(--ink-950);
  transform: translateY(-2px);
}

/* Back Links */
.back-links {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  margin-top: 20px;
  border-top: var(--line-light);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-600);
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--gold-600);
}

.back-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Not Found */
.not-found-section {
  padding: 120px 0;
  text-align: center;
  min-height: 50vh;
}

.not-found-section h1 {
  font-size: 40px;
  font-weight: 900;
  color: var(--ink-950);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.not-found-section p {
  color: var(--ink-600);
  font-size: 16px;
  margin-bottom: 32px;
}

/* ========== Related Section ========== */
.related-section {
  background: var(--paper-100);
  padding: 80px 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-950);
  line-height: 1.3;
}

.section-header h2 .accent-bar {
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--gold-400);
  vertical-align: middle;
  margin-right: 12px;
}

.section-header p {
  color: var(--ink-600);
  font-size: 15px;
}

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

.related-card {
  background: var(--paper-50);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: block;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-lg);
}

.related-card .cover {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.related-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.related-card:hover .cover img {
  transform: scale(1.03);
}

.related-card .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 9999px;
  background: rgba(16, 16, 20, 0.8);
  color: var(--paper-50);
  font-size: 12px;
  font-weight: 500;
  z-index: 2;
}

.related-card .badge.hot {
  background: var(--accent-500);
  color: #fff;
}

.related-card .card-body {
  padding: 20px 24px 24px;
}

.related-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-950);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.related-card:hover h3 {
  color: var(--gold-600);
}

.related-card .card-body p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== CTA Section ========== */
.cta-section {
  background: var(--ink-950);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,106,0.12), transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216,88,46,0.06), transparent 70%);
  bottom: -120px;
  left: -80px;
  pointer-events: none;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--paper-50);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255,255,255,0.55);
  font-size: 16px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 9999px;
  background: var(--gold-400);
  color: var(--ink-950);
  font-size: 15px;
  font-weight: 600;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.btn-primary:hover {
  background: var(--gold-600);
  box-shadow: 0 10px 24px rgba(201,169,106,0.25);
  transform: translateY(-1px);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--paper-50);
  font-size: 15px;
  font-weight: 500;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.btn-ghost:hover {
  border-color: var(--gold-400);
  color: var(--gold-400);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--ink-950);
  color: rgba(255,255,255,0.6);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: var(--line-dark);
}

.footer-brand {
  font-size: 20px;
  font-weight: 900;
  color: var(--paper-50);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 14px;
}

.footer-brand::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 24px;
  background: var(--gold-400);
}

.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  max-width: 320px;
  line-height: 1.7;
}

.footer-col h5 {
  color: var(--paper-50);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--gold-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ========== Reveal Animation ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Responsive ========== */
@media (min-width: 769px) {
  .site-header.scrolled .header-top {
    display: none;
  }

  .site-header.scrolled .header-bottom {
    min-height: 64px;
  }
}

@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .header-top {
    padding: 12px 24px;
  }

  .header-bottom {
    padding: 0 24px;
  }

  .hot-links {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

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

  .article-title {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .header-top {
    padding: 10px 16px;
  }

  .header-bottom {
    display: none;
  }

  .container {
    padding: 0 16px;
  }

  .article-hero {
    padding: 48px 0 40px;
    margin-bottom: 40px;
  }

  .article-title {
    font-size: 28px;
  }

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .related-section {
    padding: 56px 0;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
    gap: 28px;
  }

  .cta-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .footer-desc {
    max-width: 100%;
  }

  .back-links {
    flex-wrap: wrap;
  }

  .article-content img {
    border-radius: 8px;
  }
}

@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .article-title {
    font-size: 24px;
  }

  .article-meta {
    gap: 10px;
    font-size: 13px;
  }

  .cta-inner h2 {
    font-size: 26px;
  }

  .cta-buttons .btn-primary,
  .cta-buttons .btn-ghost {
    width: 100%;
  }

  .breadcrumb {
    font-size: 13px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .related-card:hover {
    transform: none;
  }

  .btn-primary:hover,
  .btn-ghost:hover {
    transform: none;
  }
}

/* roulang page: category1 */
:root {
  --ink-950: #101014;
  --ink-900: #16161A;
  --ink-600: #4B4E57;
  --paper-50: #FAF8F5;
  --paper-100: #F0EDE8;
  --gold-400: #C9A96A;
  --gold-600: #A98644;
  --accent-500: #D8582E;
  --radius-lg: 8px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(16,16,20,0.04);
  --shadow-xl: 0 20px 40px -12px rgba(16,16,20,0.15);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--paper-50); color: var(--ink-950); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
:focus-visible { outline: 2px solid var(--gold-400); outline-offset: 2px; }
.container { max-width: 1280px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: transparent; border-bottom: 1px solid transparent; transition: all .3s; color: var(--paper-50); }
.site-header.scrolled { background: rgba(250,248,245,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(16,16,20,0.08); color: var(--ink-950); box-shadow: 0 4px 20px rgba(16,16,20,0.06); }
.site-header .container { padding-top: 12px; padding-bottom: 12px; }
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 10px; }
.header-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 2px; }
.brand { font-size: 20px; font-weight: 900; color: var(--paper-50); transition: color .3s; }
.site-header.scrolled .brand { color: var(--ink-950); }
.brand::after { content: ''; display: block; width: 28px; height: 2px; background: var(--gold-400); margin-top: 4px; }
.hot-links { display: flex; gap: 20px; font-size: 14px; color: rgba(250,248,245,0.75); transition: color .3s; }
.site-header.scrolled .hot-links { color: var(--ink-600); }
.hot-link:hover { color: var(--gold-400); }
.header-actions { display: flex; gap: 8px; }
.icon-btn { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: currentColor; transition: background .3s, color .3s; }
.icon-btn:hover { background: rgba(201,169,106,0.12); color: var(--gold-400); }
.channel-nav { display: flex; gap: 28px; }
.channel-nav a { position: relative; font-size: 15px; font-weight: 600; padding: 6px 0; color: rgba(250,248,245,0.85); transition: color .3s; }
.site-header.scrolled .channel-nav a { color: var(--ink-950); }
.channel-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--gold-400); transition: width .3s; }
.channel-nav a:hover { color: var(--gold-400); }
.channel-nav a:hover::after { width: 100%; }
.channel-nav a.active { color: var(--gold-600); }
.channel-nav a.active::after { width: 100%; }
.header-search { display: flex; }
.header-search input { height: 44px; padding: 0 16px; border-radius: 999px 0 0 999px; border: 1px solid rgba(250,248,245,0.25); background: rgba(250,248,245,0.1); color: var(--paper-50); width: 240px; font-size: 14px; transition: all .3s; outline: none; }
.header-search input::placeholder { color: rgba(250,248,245,0.5); }
.site-header.scrolled .header-search input { border-color: transparent; background: var(--paper-100); color: var(--ink-950); }
.site-header.scrolled .header-search input::placeholder { color: var(--ink-600); }
.header-search input:focus { border-color: var(--gold-400); box-shadow: 0 0 0 3px rgba(201,169,106,0.15); background: var(--paper-50); }
.header-search button { height: 44px; padding: 0 20px; border-radius: 0 999px 999px 0; background: var(--gold-400); color: var(--ink-950); font-size: 14px; font-weight: 600; transition: background .3s; }
.header-search button:hover { background: var(--gold-600); }
.mobile-panel { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--paper-50); z-index: 49; padding: 20px; border-bottom: 1px solid rgba(16,16,20,0.08); box-shadow: 0 20px 40px rgba(16,16,20,0.12); }
.mobile-panel.open { display: block; }
.mobile-panel a { display: block; padding: 12px 0; font-weight: 600; border-bottom: 1px solid rgba(16,16,20,0.06); color: var(--ink-950); }
.mobile-panel a.active { color: var(--gold-600); }

.page-hero { position: relative; background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat; color: var(--paper-50); padding: 150px 0 70px; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(16,16,20,0.75), rgba(16,16,20,0.4)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 48px; font-weight: 900; letter-spacing: -0.02em; margin-bottom: 12px; }
.page-hero p { font-size: 16px; color: rgba(250,248,245,0.7); max-width: 640px; line-height: 1.8; }
.page-hero .hero-actions { margin-top: 28px; }

.channel-bar { background: var(--paper-50); border-bottom: 1px solid rgba(16,16,20,0.06); padding: 20px 0; }
.channel-inner { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: center; }
.channel-inner a { padding: 8px 22px; border-radius: 999px; font-size: 14px; font-weight: 500; border: 1px solid rgba(16,16,20,0.1); color: var(--ink-950); transition: all .3s; }
.channel-inner a:hover { border-color: var(--gold-400); color: var(--gold-600); background: rgba(201,169,106,0.06); }
.channel-inner a.active { background: var(--ink-950); color: var(--paper-50); border-color: var(--ink-950); font-weight: 600; }

.cat-intro { padding: 48px 0; background: var(--paper-50); }
.intro-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: center; }
.intro-title { font-size: 24px; font-weight: 800; line-height: 1.4; }
.intro-title span { color: var(--gold-600); }
.intro-text { font-size: 15px; color: var(--ink-600); line-height: 1.8; }

.index-list { padding: 64px 0 96px; }
.index-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 40px; }
.index-item { display: flex; align-items: flex-start; gap: 32px; padding: 40px 0; border-bottom: 1px solid rgba(16,16,20,0.08); transition: background .3s; }
.index-item:hover { background: rgba(16,16,20,0.02); }
.index-num { font-family: Georgia, 'Times New Roman', serif; font-size: 60px; line-height: 1; color: var(--gold-400); min-width: 100px; font-weight: 400; }
.index-body { flex: 1; }
.index-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; transition: color .3s; }
.index-body h3 a:hover { color: var(--gold-600); }
.index-body p { font-size: 14px; color: var(--ink-600); line-height: 1.75; max-width: 640px; }
.index-meta { display: flex; gap: 14px; margin-top: 14px; font-size: 13px; color: var(--ink-600); align-items: center; }
.index-tag { display: inline-flex; padding: 3px 12px; border-radius: 999px; background: rgba(201,169,106,0.12); color: var(--gold-600); font-size: 12px; font-weight: 600; }
.index-thumb { width: 180px; aspect-ratio: 16/10; border-radius: var(--radius-lg); overflow: hidden; flex-shrink: 0; }
.index-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.index-item:hover .index-thumb img { transform: scale(1.04); }

.feature-grid { padding: 72px 0; background: var(--paper-100); }
.feat-card { background: var(--paper-50); border-radius: var(--radius-xl); padding: 32px; box-shadow: var(--shadow-sm); border: 1px solid rgba(16,16,20,0.04); transition: all .3s; }
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.feat-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(201,169,106,0.1); color: var(--gold-600); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 18px; }
.feat-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--ink-600); line-height: 1.7; }

.rank-banner { background: var(--ink-950); color: var(--paper-50); padding: 20px 32px; border-radius: var(--radius-xl); display: flex; align-items: center; gap: 16px; margin-top: 48px; }
.rank-banner i { color: var(--gold-400); font-size: 22px; }
.rank-banner span { font-size: 14px; color: rgba(250,248,245,0.7); }
.rank-banner strong { color: var(--gold-400); margin: 0 4px; }

.faq-section { padding: 96px 0; background: var(--paper-50); }
.faq-list { border-top: 1px solid rgba(16,16,20,0.08); }
.faq-item { border-bottom: 1px solid rgba(16,16,20,0.08); }
.faq-q { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; font-size: 16px; font-weight: 600; text-align: left; }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--paper-100); display: flex; align-items: center; justify-content: center; font-size: 14px; transition: transform .3s, background .3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--gold-400); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s; }
.faq-a-inner { padding-bottom: 20px; font-size: 15px; color: var(--ink-600); line-height: 1.75; }

.cta-band { background: var(--ink-950); color: var(--paper-50); padding: 72px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
.cta-inner h2 { font-size: 30px; font-weight: 900; margin-bottom: 8px; }
.cta-inner p { color: rgba(250,248,245,0.6); }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 999px; background: var(--gold-400); color: var(--ink-950); font-weight: 700; font-size: 15px; transition: all .3s; }
.btn-primary:hover { background: var(--gold-600); box-shadow: 0 12px 30px rgba(201,169,106,0.3); transform: translateY(-2px); }
.btn-ghost { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.3); color: var(--paper-50); font-weight: 600; font-size: 15px; transition: all .3s; }
.btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-400); }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; }
.section-kicker { font-size: 14px; letter-spacing: 0.04em; color: var(--gold-600); margin-bottom: 6px; }
.section-title { font-size: 30px; font-weight: 800; letter-spacing: -0.01em; }
.section-sub { max-width: 480px; font-size: 15px; color: var(--ink-600); }

.site-footer { background: var(--ink-950); color: rgba(250,248,245,0.7); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand { font-size: 22px; font-weight: 900; color: var(--paper-50); margin-bottom: 12px; }
.footer-brand::after { content: ''; display: block; width: 28px; height: 2px; background: var(--gold-400); margin-top: 6px; }
.footer-desc { font-size: 14px; line-height: 1.8; max-width: 340px; color: rgba(250,248,245,0.5); }
.footer-col h5 { font-size: 15px; font-weight: 700; color: var(--paper-50); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: rgba(250,248,245,0.5); padding: 6px 0; transition: color .3s; }
.footer-col a:hover { color: var(--gold-400); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 28px; font-size: 13px; color: rgba(250,248,245,0.35); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s cubic-bezier(0.22,1,0.36,1), transform .6s cubic-bezier(0.22,1,0.36,1); }
.reveal.reveal-in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } * { transition: none !important; } }

@media (max-width: 1024px) {
  .container { padding-left: 24px; padding-right: 24px; }
  .channel-nav { gap: 18px; }
  .header-search input { width: 180px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .index-thumb { width: 140px; }
  .index-num { font-size: 48px; min-width: 80px; }
}
@media (max-width: 768px) {
  .header-bottom { display: none; }
  .hot-links { display: none; }
  .site-header .container { padding-top: 10px; padding-bottom: 10px; }
  .page-hero { padding: 110px 0 50px; }
  .page-hero h1 { font-size: 34px; }
  .intro-grid { grid-template-columns: 1fr; gap: 20px; }
  .index-item { flex-direction: column; gap: 20px; }
  .index-thumb { width: 100%; aspect-ratio: 16/8; }
  .index-num { font-size: 42px; min-width: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .rank-banner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .page-hero h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
  .index-head { flex-direction: column; align-items: flex-start; }
  .feature-grid .grid { grid-template-columns: 1fr !important; }
}

/* roulang page: category2 */
:root {
    --ink-950: #101014;
    --ink-900: #16161A;
    --ink-600: #4B4E57;
    --paper-50: #FAF8F5;
    --paper-100: #F0EDE8;
    --gold-400: #C9A96A;
    --gold-600: #A98644;
    --accent-500: #D8582E;
    --radius-card: 8px;
    --radius-btn: 999px;
    --shadow-card: 0 1px 2px rgba(16, 16, 20, 0.04);
    --shadow-hover: 0 20px 40px -12px rgba(16, 16, 20, 0.15);
    --font-sans: 'Noto Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-sans);
    background: var(--paper-50);
    color: var(--ink-950);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  button {
    cursor: pointer;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--gold-400);
    outline-offset: 2px;
  }

  .container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 32px;
  }

  @media (max-width: 768px) {
    .container {
      padding-inline: 16px;
    }
  }

  .serif-num {
    font-family: var(--font-serif);
    font-weight: 700;
    letter-spacing: -0.02em;
  }

  .section-block {
    padding: 96px 0;
  }

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

  .section-head {
    margin-bottom: 48px;
  }

  .section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--gold-600);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: var(--ink-950);
  }

  .section-desc {
    margin-top: 12px;
    font-size: 16px;
    color: var(--ink-600);
    max-width: 560px;
  }

  /* ======== 导航 ======== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(16, 16, 20, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--paper-50);
    transition: background 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
  }

  .site-header.scrolled {
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--ink-950);
    box-shadow: 0 1px 0 rgba(16, 16, 20, 0.08);
  }

  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding-inline: 32px;
    max-width: 1280px;
    margin-inline: auto;
  }

  .header-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    padding-inline: 32px;
    max-width: 1280px;
    margin-inline: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.4s ease;
  }

  .site-header.scrolled .header-bottom {
    border-top-color: rgba(16, 16, 20, 0.06);
  }

  .brand {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    line-height: 1.2;
  }

  .brand::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 24px;
    background: var(--gold-400);
    border-radius: 2px;
  }

  .hot-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
  }

  .hot-link {
    opacity: 0.72;
    transition: opacity 0.3s, color 0.3s;
  }

  .hot-link:hover {
    opacity: 1;
    color: var(--gold-400);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .icon-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s;
  }

  .icon-btn:hover {
    background: rgba(201, 169, 106, 0.12);
  }

  .channel-nav {
    display: flex;
    align-items: center;
    gap: 32px;
  }

  .channel-nav a {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    padding: 6px 2px;
    transition: color 0.3s;
  }

  .channel-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gold-400);
    border-radius: 2px;
    transition: width 0.3s ease;
  }

  .channel-nav a:hover::after {
    width: 100%;
  }

  .channel-nav a.active {
    color: var(--gold-400);
  }

  .channel-nav a.active::after {
    width: 100%;
  }

  .header-search {
    display: flex;
    align-items: center;
    gap: 0;
  }

  .header-search input {
    width: 220px;
    height: 40px;
    padding: 0 16px;
    background: rgba(250, 248, 245, 0.12);
    color: var(--paper-50);
    border-radius: 999px 0 0 999px;
    font-size: 14px;
    transition: background 0.3s, border 0.3s, box-shadow 0.3s;
  }

  .site-header.scrolled .header-search input {
    background: var(--paper-100);
    color: var(--ink-950);
  }

  .header-search input::placeholder {
    color: currentColor;
    opacity: 0.55;
  }

  .header-search input:focus {
    outline: 1px solid var(--gold-400);
    box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.15);
  }

  .header-search button {
    height: 40px;
    padding: 0 20px;
    background: var(--gold-400);
    color: var(--ink-950);
    border-radius: 0 999px 999px 0;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.3s, box-shadow 0.3s;
  }

  .header-search button:hover {
    background: var(--gold-600);
    box-shadow: 0 8px 24px rgba(201, 169, 106, 0.25);
  }

  @media (max-width: 1023px) {
    .header-top {
      height: 56px;
      padding-inline: 16px;
    }

    .header-bottom {
      display: none;
      position: absolute;
      top: 56px;
      left: 0;
      right: 0;
      flex-direction: column;
      align-items: stretch;
      height: auto;
      padding: 16px;
      background: rgba(250, 248, 245, 0.96);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-top: none;
      gap: 12px;
      box-shadow: 0 20px 40px rgba(16, 16, 20, 0.1);
    }

    .site-header.menu-open .header-bottom {
      display: flex;
    }

    .channel-nav {
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
    }

    .channel-nav a {
      padding: 10px 4px;
      font-size: 16px;
      border-bottom: 1px solid rgba(16, 16, 20, 0.06);
    }

    .channel-nav a::after,
    .channel-nav a.active::after {
      display: none;
    }

    .channel-nav a.active {
      color: var(--gold-600);
    }

    .header-search {
      margin-top: 8px;
    }

    .header-search input {
      flex: 1;
      width: auto;
      background: var(--paper-100);
      color: var(--ink-950);
    }

    .header-search button {
      flex-shrink: 0;
    }

    .hot-links {
      display: none;
    }
  }

  /* ======== 页头 Hero ======== */
  .page-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    padding: 160px 0 80px;
    background:
      linear-gradient(135deg, rgba(16, 16, 20, 0.78), rgba(16, 16, 20, 0.4)),
      url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: var(--paper-50);
  }

  .hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(250, 248, 245, 0.6);
    margin-bottom: 20px;
  }

  .hero-breadcrumb a {
    transition: color 0.3s;
  }

  .hero-breadcrumb a:hover {
    color: var(--gold-400);
  }

  .hero-breadcrumb .sep {
    opacity: 0.5;
  }

  .page-title {
    font-size: 56px;
    font-weight: 900;
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 16px;
  }

  .page-desc {
    font-size: 18px;
    color: rgba(250, 248, 245, 0.78);
    max-width: 640px;
    line-height: 1.8;
  }

  .hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    flex-wrap: wrap;
  }

  .hero-stat {
    display: flex;
    flex-direction: column;
  }

  .hero-stat .num {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--gold-400);
    line-height: 1.1;
  }

  .hero-stat .label {
    font-size: 13px;
    color: rgba(250, 248, 245, 0.6);
    margin-top: 6px;
    letter-spacing: 0.04em;
  }

  @media (max-width: 768px) {
    .page-hero {
      min-height: 360px;
      padding: 120px 0 56px;
    }

    .page-title {
      font-size: 36px;
    }

    .page-desc {
      font-size: 16px;
    }

    .hero-stats {
      gap: 24px;
      margin-top: 32px;
    }

    .hero-stat .num {
      font-size: 30px;
    }
  }

  /* ======== 分类导航条 ======== */
  .channel-strip {
    background: var(--paper-100);
    border-bottom: 1px solid rgba(16, 16, 20, 0.06);
    padding: 16px 0;
  }

  .channel-strip .container {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .strip-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    background: transparent;
    border: 1px solid rgba(16, 16, 20, 0.12);
    color: var(--ink-600);
    transition: all 0.3s ease;
  }

  .strip-link:hover {
    border-color: var(--gold-400);
    color: var(--gold-600);
  }

  .strip-link.active {
    background: var(--gold-400);
    border-color: var(--gold-400);
    color: var(--ink-950);
  }

  /* ======== 榜单 ======== */
  .rank-section {
    padding: 96px 0;
  }

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

  .rank-list {
    margin-top: 16px;
  }

  .rank-item {
    display: grid;
    grid-template-columns: 96px 260px 1fr;
    gap: 32px;
    align-items: center;
    padding: 40px 0;
    border-bottom: 1px solid rgba(16, 16, 20, 0.08);
  }

  .rank-item:first-child {
    border-top: 1px solid rgba(16, 16, 20, 0.08);
  }

  .rank-num {
    font-family: var(--font-serif);
    font-size: 72px;
    font-weight: 700;
    color: var(--gold-400);
    line-height: 1;
    letter-spacing: -0.03em;
  }

  .rank-cover {
    width: 260px;
    height: 156px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-card);
  }

  .rank-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
  }

  .rank-item:hover .rank-cover img {
    transform: scale(1.03);
  }

  .rank-content {
    min-width: 0;
  }

  .rank-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    background: var(--ink-950);
    color: var(--paper-50);
    font-size: 12px;
    border-radius: 999px;
    letter-spacing: 0.04em;
  }

  .rank-time {
    font-size: 13px;
    color: var(--ink-600);
  }

  .rank-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
    color: var(--ink-950);
    transition: color 0.3s;
  }

  .rank-item:hover .rank-title {
    color: var(--gold-600);
  }

  .rank-desc {
    font-size: 15px;
    color: var(--ink-600);
    line-height: 1.7;
    margin-bottom: 12px;
    max-width: 480px;
  }

  .rank-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--gold-600);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.3s, color 0.3s;
  }

  .rank-link:hover {
    gap: 8px;
    color: var(--ink-950);
  }

  @media (max-width: 1023px) {
    .rank-item {
      grid-template-columns: 64px 200px 1fr;
      gap: 20px;
    }

    .rank-cover {
      width: 200px;
      height: 120px;
    }

    .rank-num {
      font-size: 52px;
    }
  }

  @media (max-width: 768px) {
    .rank-item {
      grid-template-columns: 1fr;
      gap: 14px;
      padding: 28px 0;
    }

    .rank-num {
      font-size: 36px;
    }

    .rank-cover {
      width: 100%;
      height: auto;
      aspect-ratio: 16/10;
    }

    .rank-title {
      font-size: 19px;
    }
  }

  /* ======== 卖点 ======== */
  .features-section {
    background: var(--ink-950);
    color: var(--paper-50);
  }

  .features-section .section-title {
    color: var(--paper-50);
  }

  .features-section .section-desc {
    color: rgba(250, 248, 245, 0.6);
  }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 8px;
  }

  .feature-card {
    background: var(--ink-900);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 32px 28px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }

  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.5);
    border-color: rgba(201, 169, 106, 0.3);
  }

  .feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(201, 169, 106, 0.12);
    color: var(--gold-400);
    margin-bottom: 20px;
  }

  .feature-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
  }

  .feature-desc {
    font-size: 14px;
    color: rgba(250, 248, 245, 0.6);
    line-height: 1.75;
  }

  @media (max-width: 768px) {
    .features-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ======== 场景 ======== */
  .scene-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 8px;
  }

  .scene-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    background: var(--paper-100);
    border-radius: 12px;
    border: 1px solid rgba(16, 16, 20, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .scene-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
  }

  .scene-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--gold-400);
    color: var(--ink-950);
    font-weight: 700;
    font-size: 16px;
  }

  .scene-text h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
  }

  .scene-text p {
    font-size: 14px;
    color: var(--ink-600);
    line-height: 1.7;
  }

  @media (max-width: 768px) {
    .scene-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ======== 流程 ======== */
  .steps-section {
    background: var(--paper-100);
  }

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

  .step-item {
    position: relative;
    padding: 28px 24px;
    background: var(--paper-50);
    border-radius: 12px;
    border: 1px solid rgba(16, 16, 20, 0.05);
  }

  .step-num {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--gold-400);
    line-height: 1;
    margin-bottom: 16px;
  }

  .step-title {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 6px;
  }

  .step-desc {
    font-size: 14px;
    color: var(--ink-600);
    line-height: 1.7;
  }

  @media (max-width: 1023px) {
    .steps-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 768px) {
    .steps-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ======== FAQ ======== */
  .faq-wrap {
    display: grid;
    grid-template-columns: 6fr 6fr;
    gap: 48px;
  }

  .faq-list {
    display: flex;
    flex-direction: column;
  }

  .faq-item {
    border-bottom: 1px solid rgba(16, 16, 20, 0.08);
  }

  .faq-item:first-child {
    border-top: 1px solid rgba(16, 16, 20, 0.08);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 4px;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    color: var(--ink-950);
    transition: color 0.3s;
  }

  .faq-question:hover {
    color: var(--gold-600);
  }

  .faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(16, 16, 20, 0.15);
    font-size: 20px;
    line-height: 1;
    color: var(--ink-600);
    transition: all 0.3s;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    border-color: var(--gold-400);
    color: var(--gold-400);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .faq-answer-inner {
    padding: 0 4px 20px;
    font-size: 15px;
    color: var(--ink-600);
    line-height: 1.8;
  }

  @media (max-width: 1023px) {
    .faq-wrap {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }

  /* ======== CTA ======== */
  .cta-section {
    background:
      radial-gradient(ellipse at 80% 20%, rgba(201, 169, 106, 0.15), transparent 50%),
      var(--ink-950);
    color: var(--paper-50);
    padding: 96px 0;
  }

  .cta-inner {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
  }

  .cta-title {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 12px;
  }

  .cta-desc {
    font-size: 16px;
    color: rgba(250, 248, 245, 0.65);
    margin-bottom: 28px;
    max-width: 420px;
  }

  .cta-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: var(--gold-400);
    color: var(--ink-950);
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: background 0.3s, box-shadow 0.3s, transform 0.15s;
  }

  .btn-primary:hover {
    background: var(--gold-600);
    box-shadow: 0 12px 32px rgba(201, 169, 106, 0.25);
  }

  .btn-primary:active {
    transform: translateY(1px);
  }

  .btn-ghost-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--paper-50);
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
  }

  .btn-ghost-light:hover {
    border-color: var(--gold-400);
    color: var(--gold-400);
  }

  .cta-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.5);
  }

  .cta-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 5/4;
    transition: transform 0.7s ease;
  }

  .cta-visual:hover img {
    transform: scale(1.03);
  }

  .cta-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(16, 16, 20, 0.3));
  }

  @media (max-width: 1023px) {
    .cta-inner {
      grid-template-columns: 1fr;
    }

    .cta-visual {
      max-width: 480px;
    }
  }

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

    .cta-title {
      font-size: 24px;
    }

    .btn-primary,
    .btn-ghost-light {
      width: 100%;
    }
  }

  /* ======== 页脚 ======== */
  .site-footer {
    background: var(--ink-950);
    color: rgba(250, 248, 245, 0.6);
    padding: 64px 0 24px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .footer-brand {
    font-size: 20px;
    font-weight: 900;
    color: var(--paper-50);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.7;
    max-width: 300px;
    color: rgba(250, 248, 245, 0.5);
  }

  .footer-col h5 {
    font-size: 14px;
    font-weight: 700;
    color: var(--paper-50);
    margin-bottom: 16px;
  }

  .footer-col a {
    display: block;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color 0.3s;
  }

  .footer-col a:hover {
    color: var(--gold-400);
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    font-size: 14px;
    color: rgba(250, 248, 245, 0.4);
  }

  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .footer-grid>div:first-child {
      grid-column: 1 / -1;
    }

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

  /* ======== 动效 ======== */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation: none !important;
      transition: none !important;
    }

    html {
      scroll-behavior: auto;
    }

    .reveal {
      opacity: 1;
      transform: none;
    }
  }