/* roulang page: index */
:root {
  --primary: #1F3A3D;
  --primary-dark: #172C2E;
  --accent: #C8A96A;
  --accent-light: #D8BC82;
  --bg: #FAF9F6;
  --bg-alt: #F0EFEB;
  --text: #1A1A1A;
  --text-secondary: #6B6B6B;
  --border: #E5E2DC;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(31, 58, 61, 0.05);
  --shadow-hover: 0 8px 24px rgba(31, 58, 61, 0.09);
  --sidebar-width: 224px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.25s ease;
  --space-section: 96px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--font-serif); line-height: 1.3; color: var(--primary); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.section { padding: var(--space-section) 0; }
.section-head { margin-bottom: 48px; }
.section-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}
.section-title { font-size: 1.875rem; font-weight: 600; margin-bottom: 12px; position: relative; }
.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-top: 12px;
}
.section-desc { color: var(--text-secondary); max-width: 520px; font-size: 0.95rem; }

/* 左侧竖向导航 */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--primary);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
}
.sidebar-inner { display: flex; flex-direction: column; height: 100%; padding: 32px 20px; }
.sidebar-brand { margin-bottom: 48px; }
.brand-logo { display: flex; flex-direction: column; gap: 2px; }
.brand-name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  font-weight: 500;
}
.brand-domain {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.3);
  margin-top: 6px;
  letter-spacing: 0.04em;
}
.side-nav { flex: 1; }
.side-nav-list { display: flex; flex-direction: column; gap: 4px; }
.side-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 6px;
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  font-weight: 400;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.side-nav-item .nav-index {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.06em;
}
.side-nav-item:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
  border-left-color: var(--accent);
  padding-left: 18px;
}
.side-nav-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(200,169,106,0.08);
  font-weight: 500;
}
.sidebar-footer { padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.side-social { display: flex; gap: 10px; margin-bottom: 12px; }
.side-social a {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  transition: all var(--transition);
}
.side-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,255,255,0.04);
}
.side-copy { font-size: 0.68rem; color: rgba(255,255,255,0.3); }

/* 移动端导航 */
.mobile-header { display: none; position: fixed; top: 0; left: 0; right: 0; height: 60px; background: var(--primary); z-index: 200; align-items: center; justify-content: space-between; padding: 0 20px; }
.mobile-header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.mobile-brand { display: flex; align-items: baseline; gap: 8px; }
.mobile-brand .brand-name { font-size: 1.125rem; color: #fff; }
.mobile-brand .brand-sub { font-size: 0.6rem; }
.mobile-toggle { display: flex; flex-direction: column; gap: 5px; background: transparent; border: none; cursor: pointer; padding: 8px; }
.toggle-bar { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); }
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--primary);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  padding: 80px 32px 40px;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-close {
  position: absolute;
  top: 18px; right: 20px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}
.mobile-close:hover { border-color: var(--accent); color: var(--accent); }
.mobile-nav-list { display: flex; flex-direction: column; gap: 16px; }
.mobile-nav-item {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: rgba(255,255,255,0.8);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-nav-item:hover,
.mobile-nav-item.active { color: var(--accent); padding-left: 12px; }

/* 主内容区 */
.main-content { margin-left: var(--sidebar-width); min-height: 100vh; display: flex; flex-direction: column; }

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(to bottom, rgba(31,58,61,0.42), rgba(18,33,35,0.74)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 60px 24px;
  color: #fff;
  animation: heroIn 0.9s ease-out both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-title {
  font-size: 2.875rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.15);
  letter-spacing: 0.02em;
}
.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.82);
  max-width: 40em;
  margin: 0 auto 36px;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 0.925rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  text-decoration: none;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(200,169,106,0.3); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-secondary:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-secondary:active { background: var(--primary-dark); }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  animation: scrollFloat 2.4s ease-in-out infinite;
}
.scroll-line { display: block; width: 1px; height: 40px; background: rgba(255,255,255,0.4); }
.scroll-text { font-size: 0.72rem; letter-spacing: 0.18em; color: rgba(255,255,255,0.65); text-transform: uppercase; }
@keyframes scrollFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* 合集目录 */
.collection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 44px;
}
.collection-item {
  display: flex;
  flex-direction: column;
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.collection-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(31,58,61,0.2);
}
.collection-item:nth-child(even) { transform: translateY(48px); }
.collection-item:nth-child(even):hover { transform: translateY(44px); }
.collection-media { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.collection-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.collection-item:hover .collection-media img { transform: scale(1.04); }
.collection-body { padding: 28px; display: flex; flex-direction: column; flex: 1; position: relative; }
.collection-num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  font-weight: 600;
}
.collection-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 12px; color: var(--primary); }
.collection-text { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; flex: 1; }
.collection-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.collection-link .arrow { transition: transform var(--transition); }
.collection-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.collection-link:hover .arrow { transform: translateX(4px); }

/* 精选条目 */
.featured-list { border-top: 1px solid var(--border); }
.featured-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), transform var(--transition);
}
.featured-item:hover { background: var(--bg-alt); }
.featured-badge {
  flex-shrink: 0;
  padding: 4px 14px;
  border: 1px solid var(--accent);
  border-radius: 18px;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  font-weight: 500;
  background: rgba(200,169,106,0.06);
  white-space: nowrap;
}
.featured-title {
  flex: 1;
  font-size: 1.25rem;
  font-weight: 500;
  font-family: var(--font-serif);
  color: var(--primary);
  line-height: 1.4;
  transition: color var(--transition);
}
.featured-title a { color: inherit; }
.featured-title a:hover { color: var(--accent); }
.featured-date { color: var(--text-secondary); font-size: 0.8rem; white-space: nowrap; }
.featured-arrow {
  color: var(--primary);
  font-size: 1.1rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}
.featured-arrow:hover { background: var(--primary); color: #fff; transform: rotate(-45deg); }

/* 最新信息 */
.latest-section { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.latest-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 20px; flex-wrap: wrap; }
.view-all {
  font-size: 0.85rem;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: all var(--transition);
  white-space: nowrap;
}
.view-all:hover { color: var(--accent); border-bottom-color: var(--accent); }
.latest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-content { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.badge {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid rgba(31,58,61,0.2);
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--primary);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  align-self: flex-start;
  background: rgba(31,58,61,0.02);
}
.news-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.news-title a { color: var(--primary); transition: color var(--transition); }
.news-title a:hover { color: var(--accent); }
.news-excerpt {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.news-meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.news-date { font-size: 0.75rem; color: var(--text-secondary); }
.news-more {
  font-size: 0.78rem;
  color: var(--primary);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.news-more:hover { color: var(--accent); border-bottom-color: var(--accent); }
.empty-tip {
  padding: 60px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  background: rgba(255,255,255,0.4);
  grid-column: 1 / -1;
}

/* 相关推荐 */
.recommend-list { display: flex; flex-direction: column; gap: 20px; }
.recommend-card {
  display: flex;
  align-items: center;
  gap: 28px;
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.recommend-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.recommend-card:hover { box-shadow: var(--shadow-hover); transform: translateX(6px); border-color: rgba(31,58,61,0.15); }
.recommend-card:hover::before { opacity: 1; }
.recommend-num { font-family: var(--font-serif); font-size: 1.75rem; font-weight: 600; color: var(--border); min-width: 48px; transition: color var(--transition); }
.recommend-card:hover .recommend-num { color: var(--accent); }
.recommend-body { flex: 1; }
.recommend-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 4px; }
.recommend-title a { color: var(--primary); }
.recommend-title a:hover { color: var(--accent); }
.recommend-desc { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; }
.recommend-arrow { color: var(--primary); font-size: 1.2rem; transition: transform var(--transition); }
.recommend-card:hover .recommend-arrow { transform: translateX(4px); color: var(--accent); }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); background: transparent; transition: background var(--transition); }
.faq-item.is-active { background: var(--bg-alt); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 20px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--primary);
  transition: color var(--transition);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.faq-question:hover { color: var(--accent); }
.faq-icon { font-size: 1.4rem; font-weight: 300; color: var(--accent); transition: transform 0.3s ease; line-height: 1; flex-shrink: 0; margin-left: 16px; }
.faq-item.is-active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 20px;
}
.faq-item.is-active .faq-answer { max-height: 300px; padding-bottom: 24px; }
.faq-answer p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.8; padding-left: 16px; border-left: 2px solid var(--accent); }

/* CTA 收藏/分享 */
.cta-section { padding-bottom: var(--space-section); }
.cta-box {
  background:
    linear-gradient(to right, rgba(250,249,246,0.9), rgba(240,239,235,0.88)),
    url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-title { font-size: 1.375rem; font-weight: 600; color: var(--primary); max-width: 380px; line-height: 1.5; }
.cta-actions { display: flex; gap: 12px; }
.cta-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--primary);
  border-radius: 4px;
  background: transparent;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.cta-btn:hover { background: var(--primary); color: #fff; }
.cta-btn.is-saved { background: var(--accent); border-color: var(--accent); color: #fff; }
.cta-btn i { font-size: 0.95rem; }
.cta-btn:active { transform: scale(0.97); }

/* 页脚 */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
}
.footer-inner { display: flex; flex-direction: column; gap: 28px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; }
.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  display: block;
  margin-bottom: 4px;
}
.footer-tagline { color: var(--text-secondary); font-size: 0.85rem; max-width: 300px; }
.footer-links { display: flex; gap: 32px; flex-wrap: wrap; }
.footer-links a { color: var(--text-secondary); font-size: 0.85rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.78rem;
}

/* 滚动渐入 */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* 焦点可访问性 */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 响应式 */
@media (max-width: 1100px) {
  .latest-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 32px; }
}
@media (max-width: 900px) {
  .collection-grid { gap: 28px; }
}
@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .sidebar { transform: translateX(-100%); }
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; }
  .hero { min-height: 55vh; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-item:nth-child(even) { transform: none; }
  .collection-item:nth-child(even):hover { transform: translateY(-4px); }
  .latest-grid { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
  .featured-item { flex-wrap: wrap; gap: 12px; }
  .featured-title { flex-basis: 100%; order: 3; font-size: 1.125rem; }
  .featured-date { order: 1; }
  .featured-badge { order: 1; }
  .featured-arrow { order: 4; }
  .recommend-card { flex-direction: column; align-items: flex-start; padding: 20px; }
  .cta-box { flex-direction: column; padding: 32px 24px; align-items: flex-start; }
  .footer-top { flex-direction: column; gap: 20px; }
  .section-title { font-size: 1.5rem; }
  .news-card { margin-bottom: 8px; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 1.625rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .latest-grid { gap: 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { gap: 16px; }
  .cta-btn { flex: 1; justify-content: center; }
  .cta-actions { flex-direction: column; width: 100%; }
}

/* roulang page: article */
:root {
            --primary: #1F3A3D;
            --primary-dark: #162A2D;
            --accent: #C8A96A;
            --bg: #FAF9F6;
            --bg-alt: #F0EFEB;
            --text: #1A1A1A;
            --text-muted: #6B6B6B;
            --border: #E5E2DC;
            --radius-card: 12px;
            --radius-img: 8px;
            --shadow-card: 0 8px 24px rgba(31, 58, 61, 0.08);
            --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Inter', sans-serif;
            --spacing-section: 96px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--accent);
        }

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

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }

        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        .main-area {
            flex: 1;
            margin-left: 220px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .main-content {
            flex: 1;
            padding: 48px 48px 0;
        }

        /* ---------- 侧边导航 ---------- */
        .side-nav {
            width: 220px;
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            background: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 32px 0 28px;
            z-index: 100;
        }

        .side-brand {
            padding: 0 24px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .side-brand-name {
            display: block;
            font-family: var(--font-serif);
            font-size: 1.375rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: #fff;
            line-height: 1.4;
        }

        .side-brand-en {
            display: block;
            font-family: var(--font-num);
            font-size: 0.75rem;
            letter-spacing: 0.28em;
            text-transform: uppercase;
            color: var(--accent);
            margin-top: 6px;
        }

        .side-domain {
            display: block;
            font-family: var(--font-num);
            font-size: 0.6875rem;
            color: rgba(255, 255, 255, 0.48);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        .side-nav nav {
            padding: 24px 0;
            flex: 1;
        }

        .side-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 24px 14px 21px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9375rem;
            font-weight: 400;
            border-left: 3px solid transparent;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
        }

        .side-nav-item:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--accent);
            border-left-color: var(--accent);
        }

        .side-nav-item.active {
            color: var(--accent);
            border-left-color: var(--accent);
            background: rgba(200, 169, 106, 0.08);
            font-weight: 500;
        }

        .nav-index {
            font-family: var(--font-num);
            font-size: 0.6875rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.1em;
            min-width: 22px;
        }

        .side-nav-item.active .nav-index {
            color: var(--accent);
        }

        .side-footer {
            padding: 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
        }

        .side-footer p {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.5;
        }

        .side-footer .side-domain {
            margin-top: 2px;
        }

        /* ---------- 移动端导航 ---------- */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 200;
            background: var(--primary);
            height: 60px;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-brand {
            font-family: var(--font-serif);
            font-size: 1.125rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.05em;
        }

        .mobile-menu-btn {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            background: transparent;
            border-radius: 4px;
            transition: background 0.2s ease;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 199;
            padding: 32px 24px;
            overflow-y: auto;
        }

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

        .mobile-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-nav-list li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 0;
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            font-weight: 400;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .mobile-nav-item:hover,
        .mobile-nav-item.active {
            color: var(--accent);
            padding-left: 8px;
        }

        .mobile-menu-footer {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-family: var(--font-num);
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ---------- 面包屑 ---------- */
        .breadcrumbs {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .breadcrumbs a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .breadcrumbs a:hover {
            color: var(--accent);
        }

        .breadcrumbs .sep {
            color: var(--border);
            font-size: 0.75rem;
        }

        .breadcrumbs .current {
            color: var(--text);
            font-weight: 500;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ---------- 文章标题区 ---------- */
        .article-header {
            max-width: 820px;
            margin: 0 auto 40px;
            text-align: center;
        }

        .article-header h1 {
            font-family: var(--font-serif);
            font-size: 2.75rem;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: 0.01em;
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 16px;
            font-size: 0.9375rem;
            color: var(--text-muted);
        }

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

        .article-meta .meta-item i {
            font-size: 0.875rem;
            color: var(--accent);
        }

        .article-meta .meta-category a {
            color: var(--primary);
            font-weight: 500;
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2px 12px;
            font-size: 0.8125rem;
            transition: border-color 0.2s ease, color 0.2s ease;
        }

        .article-meta .meta-category a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .article-header-divider {
            max-width: 820px;
            margin: 40px auto 0;
            border-bottom: 1px solid var(--border);
        }

        /* ---------- 正文阅读区 ---------- */
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            padding: 48px 0 24px;
            font-size: 1rem;
            line-height: 1.9;
            letter-spacing: 0.02em;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1.8em;
            line-height: 1.9;
        }

        .article-content h2 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary);
            margin: 2em 0 0.8em;
            line-height: 1.4;
        }

        .article-content h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2em 0 0.7em;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-muted);
            margin: 1.8em 0 0.6em;
        }

        .article-content img {
            width: 100%;
            border-radius: var(--radius-img);
            border: 1px solid var(--border);
            margin: 1.5em 0 0.5em;
            height: auto;
        }

        .article-content figcaption,
        .article-content .img-caption {
            font-size: 0.875rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 1.5em;
        }

        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: var(--bg-alt);
            padding: 18px 24px;
            margin: 24px 0 24px 16px;
            font-family: var(--font-serif);
            font-style: italic;
            font-size: 0.9375rem;
            color: var(--text);
            border-radius: 0 8px 8px 0;
        }

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

        .article-content ul {
            list-style: none;
            padding-left: 1.5em;
            margin-bottom: 1.5em;
        }

        .article-content ul li {
            position: relative;
            margin-bottom: 0.5em;
            padding-left: 0.5em;
        }

        .article-content ul li::before {
            content: '▪';
            color: var(--primary);
            position: absolute;
            left: -1.2em;
            font-size: 0.875rem;
            top: 0.1em;
        }

        .article-content ol {
            padding-left: 1.8em;
            margin-bottom: 1.5em;
            list-style-type: decimal;
        }

        .article-content ol li {
            margin-bottom: 0.5em;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            transition: color 0.2s ease;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }

        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            font-size: 0.9375rem;
            text-align: left;
        }

        .article-content table th {
            background: var(--bg-alt);
            font-weight: 600;
            color: var(--primary);
        }

        /* ---------- 相关推荐 ---------- */
        .related-posts {
            max-width: 900px;
            margin: 64px auto 0;
            padding: 48px 0 0;
            border-top: 1px solid var(--border);
        }

        .related-title {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 32px;
        }

        .related-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .related-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .related-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .related-thumb {
            width: 140px;
            height: 88px;
            border-radius: var(--radius-img);
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }

        .related-info {
            flex: 1;
            min-width: 0;
        }

        .related-info h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
            transition: color 0.2s ease;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .related-item:hover .related-info h3 {
            color: var(--primary);
        }

        .related-date {
            font-size: 0.8125rem;
            color: var(--text-muted);
            font-family: var(--font-num);
        }

        .related-arrow {
            color: var(--border);
            font-size: 1.125rem;
            flex-shrink: 0;
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .related-item:hover .related-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        .back-link {
            max-width: 900px;
            margin: 32px auto 0;
            text-align: center;
        }

        .back-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9375rem;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .back-link a:hover {
            color: var(--accent);
        }

        .back-link a i {
            font-size: 0.8125rem;
        }

        /* ---------- 收藏 / 分享条 ---------- */
        .article-actions {
            max-width: 760px;
            margin: 48px auto 0;
            padding: 24px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            border-top: 1px solid var(--border);
        }

        .action-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border: 1px solid var(--border);
            border-radius: 4px;
            background: var(--bg);
            font-size: 0.9375rem;
            color: var(--text);
            transition: all 0.25s ease;
        }

        .action-btn:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
        }

        .action-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .action-btn .fa-star {
            color: var(--accent);
        }

        .action-btn.is-favorite {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ---------- 空态 ---------- */
        .article-notfound {
            max-width: 600px;
            margin: 80px auto;
            text-align: center;
            padding: 64px 32px;
            background: var(--bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
        }

        .article-notfound h1 {
            font-family: var(--font-serif);
            font-size: 1.75rem;
            color: var(--text);
            margin-bottom: 16px;
        }

        .article-notfound p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 0.9375rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 4px;
            font-size: 0.9375rem;
            font-weight: 500;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            margin-top: 0;
            padding: 48px 0 32px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 48px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 32px;
            flex-wrap: wrap;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand-name {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text);
            display: block;
            margin-bottom: 6px;
        }

        .footer-tagline {
            font-size: 0.875rem;
            color: var(--text-muted);
            max-width: 320px;
        }

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

        .footer-links a {
            font-size: 0.875rem;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            font-family: var(--font-num);
        }

        /* ---------- 按钮状态补充 ---------- */
        .side-nav-item:focus-visible,
        .mobile-nav-item:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        /* ---------- 滚动渐入 ---------- */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

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

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .container {
                padding: 0 32px;
            }

            .main-content {
                padding: 40px 32px 0;
            }

            .footer-inner {
                padding: 0 32px;
            }

            .article-header h1 {
                font-size: 2.125rem;
            }

            .related-item {
                flex-wrap: wrap;
            }

            .related-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 64px;
            }

            .side-nav {
                display: none;
            }

            .main-area {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                padding: 32px 20px 0;
            }

            .container {
                padding: 0 20px;
            }

            .footer-inner {
                padding: 0 20px;
            }

            .breadcrumbs {
                font-size: 0.8125rem;
                margin-bottom: 20px;
            }

            .article-header h1 {
                font-size: 1.75rem;
                line-height: 1.35;
                margin-bottom: 16px;
            }

            .article-meta {
                font-size: 0.8125rem;
                gap: 12px;
                flex-wrap: wrap;
            }

            .article-header-divider {
                margin-top: 28px;
            }

            .article-content {
                padding: 32px 0 16px;
                font-size: 0.9375rem;
            }

            .article-content p {
                margin-bottom: 1.5em;
            }

            .article-content blockquote {
                padding: 14px 18px;
                margin-left: 12px;
            }

            .related-posts {
                margin-top: 48px;
                padding-top: 32px;
            }

            .related-title {
                font-size: 1.25rem;
                margin-bottom: 24px;
            }

            .related-item {
                padding: 12px;
                gap: 14px;
            }

            .related-thumb {
                width: 100%;
                height: 120px;
            }

            .related-info h3 {
                font-size: 0.9375rem;
            }

            .article-actions {
                margin-top: 32px;
                padding: 16px 0;
            }

            .action-btn {
                padding: 10px 20px;
                font-size: 0.875rem;
            }

            .footer-top {
                flex-direction: column;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .article-notfound {
                margin: 40px auto;
                padding: 40px 20px;
            }
        }

        @media (max-width: 520px) {
            .main-content {
                padding: 24px 16px 0;
            }

            .container {
                padding: 0 16px;
            }

            .footer-inner {
                padding: 0 16px;
            }

            .breadcrumbs .current {
                max-width: 160px;
            }

            .article-header h1 {
                font-size: 1.5rem;
            }

            .article-content ol {
                padding-left: 1.5em;
            }

            .related-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .related-thumb {
                width: 100%;
                height: 160px;
            }

            .related-arrow {
                position: absolute;
                right: 16px;
                top: 50%;
                transform: translateY(-50%);
            }

            .related-item {
                position: relative;
            }

            .related-item:hover .related-arrow {
                transform: translate(4px, -50%);
            }
        }

/* roulang page: category1 */
:root {
      --primary: #1F3A3D;
      --primary-dark: #14282A;
      --accent: #C8A96A;
      --accent-light: #D8BE8A;
      --bg: #FAF9F6;
      --bg-alt: #F0EFEB;
      --text: #1A1A1A;
      --text-weak: #6B6B6B;
      --border: #E5E2DC;
      --radius: 12px;
      --radius-lg: 16px;
      --radius-img: 8px;
      --shadow: 0 8px 24px rgba(31, 58, 61, 0.08);
      --transition: all 0.2s ease;
      --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --font-num: 'Inter', sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      padding: 0;
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-sans);
      font-size: 1rem;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover, a:focus {
      color: var(--accent);
    }

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

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

    h1, h2, h3, h4 {
      font-family: var(--font-serif);
      line-height: 1.3;
      margin: 0 0 0.5em;
    }

    p {
      margin: 0 0 1em;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 48px;
    }

    /* ===== 侧边导航 ===== */
    .side-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 220px;
      height: 100vh;
      background: var(--primary);
      color: #fff;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      padding: 32px 0 24px;
    }

    .brand-area {
      padding: 0 24px;
      margin-bottom: 48px;
    }

    .brand-link {
      display: inline-block;
      text-decoration: none;
      color: #fff;
    }

    .brand-link:hover {
      color: var(--accent-light);
    }

    .brand-name {
      font-family: var(--font-serif);
      font-size: 1.125rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      display: block;
    }

    .brand-sub {
      font-family: var(--font-num);
      font-size: 0.75rem;
      letter-spacing: 0.08em;
      opacity: 0.55;
      margin-top: 4px;
      display: block;
    }

    .side-nav-list {
      list-style: none;
      padding: 0;
      margin: 0 0 24px;
      flex: 1;
    }

    .side-nav-list li {
      margin: 0;
    }

    .side-nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 24px;
      color: rgba(255, 255, 255, 0.75);
      text-decoration: none;
      font-size: 0.9375rem;
      position: relative;
      transition: var(--transition);
    }

    .side-nav-item:hover, .side-nav-item:focus {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    .side-nav-item.active {
      color: var(--accent);
    }

    .side-nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: var(--accent);
    }

    .nav-index {
      font-family: var(--font-num);
      font-size: 0.75rem;
      opacity: 0.5;
      min-width: 20px;
    }

    .side-nav-item.active .nav-index {
      opacity: 1;
    }

    .nav-footer {
      padding: 0 24px;
      font-size: 0.75rem;
      opacity: 0.45;
      line-height: 1.6;
    }

    .nav-footer p {
      margin: 0;
    }

    /* ===== 移动端导航 ===== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 60px;
      background: var(--primary);
      color: #fff;
      z-index: 1000;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
    }

    .mobile-brand {
      color: #fff;
      font-family: var(--font-serif);
      font-size: 1.0625rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      text-decoration: none;
    }

    .mobile-brand:hover {
      color: var(--accent-light);
    }

    .menu-toggle {
      width: 32px;
      height: 32px;
      position: relative;
      background: transparent;
      border: none;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: #fff;
      transition: all 0.3s ease;
    }

    .menu-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      background: var(--primary);
      z-index: 999;
      padding: 16px 0 28px;
    }

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

    .mobile-menu ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .mobile-menu-link {
      display: block;
      padding: 12px 20px;
      color: rgba(255, 255, 255, 0.8);
      text-decoration: none;
      font-size: 1rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      transition: var(--transition);
    }

    .mobile-menu-link:last-child {
      border-bottom: none;
    }

    .mobile-menu-link:hover {
      background: rgba(255, 255, 255, 0.05);
      color: #fff;
    }

    .mobile-menu-link.active {
      color: var(--accent);
    }

    /* ===== 主内容区 ===== */
    .main-content {
      margin-left: 220px;
      min-height: 100vh;
    }

    /* ===== 分类页 Hero ===== */
    .page-hero {
      position: relative;
      height: 40vh;
      min-height: 280px;
      max-height: 420px;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(31, 58, 61, 0.9) 0%, rgba(26, 26, 26, 0.4) 55%, rgba(26, 26, 26, 0.72) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      padding: 0 48px 0 72px;
      max-width: 760px;
    }

    .hero-kicker {
      font-family: var(--font-num);
      font-size: 0.8125rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
      font-weight: 500;
    }

    .hero-content h1 {
      color: #fff;
      font-size: 2.75rem;
      font-weight: 600;
      line-height: 1.2;
      margin-bottom: 16px;
      text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
    }

    .hero-subtitle {
      color: rgba(255, 255, 255, 0.88);
      font-size: 1.125rem;
      line-height: 1.8;
      max-width: 34em;
      margin: 0;
    }

    /* ===== 板块标题 ===== */
    .section-block {
      padding: 96px 0;
    }

    .section-block + .section-block {
      padding-top: 0;
    }

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

    .section-head .section-tag {
      font-family: var(--font-num);
      font-size: 0.75rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent);
      font-weight: 500;
      margin-bottom: 8px;
      display: block;
    }

    .section-head h2 {
      font-size: 1.875rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .section-head p {
      color: var(--text-weak);
      font-size: 0.9375rem;
      max-width: 46em;
      margin: 0;
    }

    /* ===== 合集目录 ===== */
    .directory-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .directory-item {
      display: flex;
      align-items: center;
      gap: 28px;
      padding: 24px 28px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      text-decoration: none;
      color: var(--text);
      transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    }

    .directory-item:hover, .directory-item:focus {
      box-shadow: var(--shadow);
      transform: translateY(-4px);
      border-color: var(--primary);
      color: var(--text);
    }

    .directory-num {
      font-family: var(--font-num);
      font-size: 2.5rem;
      font-weight: 600;
      color: var(--accent);
      line-height: 1;
      min-width: 60px;
    }

    .directory-item:hover .directory-num {
      color: var(--primary);
    }

    .directory-cover {
      width: 150px;
      height: 100px;
      overflow: hidden;
      border-radius: var(--radius-img);
      flex-shrink: 0;
    }

    .directory-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .directory-item:hover .directory-cover img {
      transform: scale(1.04);
    }

    .directory-body {
      flex: 1;
    }

    .directory-body h3 {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .directory-body p {
      color: var(--text-weak);
      font-size: 0.9375rem;
      margin: 0;
      max-width: 38em;
    }

    .directory-arrow {
      margin-left: auto;
      color: var(--primary);
      font-size: 1.125rem;
      transition: transform 0.2s ease, color 0.2s ease;
      flex-shrink: 0;
    }

    .directory-item:hover .directory-arrow {
      transform: translateX(4px);
      color: var(--accent);
    }

    /* ===== 精选条目 ===== */
    .featured-list {
      border-top: 1px solid var(--border);
    }

    .featured-row {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 20px 16px;
      border-bottom: 1px solid var(--border);
      transition: background 0.2s ease;
      color: var(--text);
      text-decoration: none;
    }

    .featured-row:hover, .featured-row:focus {
      background: var(--bg-alt);
      color: var(--text);
    }

    .featured-row:hover .featured-title {
      color: var(--primary);
    }

    .featured-badge {
      flex-shrink: 0;
      display: inline-block;
      font-size: 0.75rem;
      letter-spacing: 0.06em;
      color: var(--primary);
      background: transparent;
      border: 1px solid var(--accent);
      padding: 4px 12px;
      border-radius: 4px;
      white-space: nowrap;
    }

    .featured-title {
      flex: 1;
      font-size: 1.375rem;
      font-weight: 600;
      font-family: var(--font-serif);
      margin: 0;
      transition: color 0.2s ease;
    }

    .featured-date {
      color: var(--text-weak);
      font-size: 0.875rem;
      font-family: var(--font-num);
      white-space: nowrap;
    }

    .featured-arrow {
      color: var(--primary);
      transition: transform 0.2s ease, color 0.2s ease;
    }

    .featured-row:hover .featured-arrow {
      transform: translateX(4px);
      color: var(--accent);
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 760px;
    }

    .faq-item {
      border-bottom: 1px solid var(--border);
      padding: 16px 0;
    }

    .faq-item:first-child {
      border-top: 1px solid var(--border);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      font-size: 1.0625rem;
      font-weight: 500;
      color: var(--text);
      padding: 4px 0;
      background: none;
      border: none;
      cursor: pointer;
    }

    .faq-question i {
      color: var(--accent);
      font-size: 1.125rem;
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

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

    .faq-answer {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows 0.3s ease;
    }

    .faq-item.open .faq-answer {
      grid-template-rows: 1fr;
    }

    .faq-answer-inner {
      overflow: hidden;
      padding-left: 16px;
      border-left: 1px solid var(--primary);
      margin-top: 8px;
    }

    .faq-answer-inner p {
      color: var(--text-weak);
      margin: 0;
      padding: 8px 0 4px;
    }

    /* ===== 相关推荐 ===== */
    .recommend-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .recommend-card {
      display: flex;
      align-items: center;
      gap: 20px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px 24px;
      text-decoration: none;
      color: var(--text);
      transition: box-shadow 0.2s ease, transform 0.2s ease;
    }

    .recommend-card:hover, .recommend-card:focus {
      box-shadow: var(--shadow);
      transform: translateY(-4px);
      color: var(--text);
      border-color: var(--primary);
    }

    .recommend-num {
      font-family: var(--font-num);
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--accent);
      flex-shrink: 0;
    }

    .recommend-body h3 {
      font-size: 1.125rem;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .recommend-body p {
      color: var(--text-weak);
      font-size: 0.875rem;
      margin: 0;
    }

    .recommend-arrow {
      margin-left: auto;
      color: var(--primary);
      transition: transform 0.2s ease, color 0.2s ease;
      flex-shrink: 0;
    }

    .recommend-card:hover .recommend-arrow {
      transform: translateX(4px);
      color: var(--accent);
    }

    /* ===== 收藏 / 分享 CTA ===== */
    .cta-section {
      padding: 96px 0;
    }

    .cta-box {
      position: relative;
      background-image: url('/assets/images/coverpic/cover-5.png');
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      text-align: center;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(250, 249, 246, 0.88);
    }

    .cta-box > * {
      position: relative;
      z-index: 1;
    }

    .cta-box h2 {
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .cta-box p {
      color: var(--text-weak);
      margin-bottom: 28px;
      font-size: 0.9375rem;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .fav-btn, .share-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 4px;
      font-size: 0.9375rem;
      font-weight: 500;
      transition: var(--transition);
    }

    .fav-btn {
      background: var(--primary);
      color: #fff;
      border: none;
    }

    .fav-btn:hover, .fav-btn:focus {
      background: var(--accent);
      color: #fff;
    }

    .fav-btn.is-fav {
      background: var(--accent);
    }

    .share-btn {
      background: transparent;
      color: var(--primary);
      border: 1px solid var(--primary);
    }

    .share-btn:hover, .share-btn:focus {
      background: var(--primary);
      color: #fff;
    }

    .fav-animate {
      animation: favPop 0.3s ease;
    }

    @keyframes favPop {
      0% { transform: scale(1); }
      50% { transform: scale(1.2); }
      100% { transform: scale(1); }
    }

    /* ===== 页脚 ===== */
    .site-footer {
      margin-left: 220px;
      background: var(--bg-alt);
      border-top: 1px solid var(--border);
      padding: 40px 0;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 24px;
      flex-wrap: wrap;
    }

    .footer-brand-name {
      font-family: var(--font-serif);
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text);
      letter-spacing: 0.02em;
    }

    .footer-tagline {
      color: var(--text-weak);
      font-size: 0.875rem;
      margin: 4px 0 0;
    }

    .footer-links {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
      align-items: center;
    }

    .footer-links a {
      color: var(--text-weak);
      font-size: 0.875rem;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--text-weak);
      font-size: 0.8125rem;
      font-family: var(--font-num);
      border-top: 1px solid var(--border);
      padding-top: 16px;
    }

    .footer-bottom p {
      margin: 0;
    }

    /* ===== 滚动渐入 ===== */
    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    /* ===== 响应式 ===== */
    @media (min-width: 769px) and (max-width: 1024px) {
      .container {
        padding: 0 32px;
      }

      .hero-content {
        padding: 0 32px 0 48px;
      }

      .side-nav {
        width: 200px;
      }

      .main-content {
        margin-left: 200px;
      }

      .site-footer {
        margin-left: 200px;
      }

      .directory-item {
        gap: 20px;
        padding: 20px;
        flex-wrap: wrap;
      }

      .directory-cover {
        width: 120px;
        height: 80px;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }

      .side-nav {
        display: none;
      }

      .mobile-header {
        display: flex;
      }

      .mobile-menu {
        display: none;
      }

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

      .main-content {
        margin-left: 0;
        margin-top: 60px;
      }

      .site-footer {
        margin-left: 0;
        padding: 32px 0;
      }

      .section-block {
        padding: 64px 0;
      }

      .section-block + .section-block {
        padding-top: 0;
      }

      .section-head {
        margin-bottom: 32px;
      }

      .section-head h2 {
        font-size: 1.5rem;
      }

      .page-hero {
        height: 55vh;
        min-height: 320px;
        max-height: none;
      }

      .hero-content {
        padding: 0 24px;
      }

      .hero-content h1 {
        font-size: 1.75rem;
      }

      .hero-subtitle {
        font-size: 1rem;
      }

      .directory-item {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 20px;
      }

      .directory-num {
        font-size: 2rem;
        min-width: 40px;
      }

      .directory-cover {
        width: 100%;
        height: 160px;
      }

      .directory-arrow {
        display: none;
      }

      .featured-row {
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px 4px;
      }

      .featured-badge {
        font-size: 0.6875rem;
        padding: 3px 10px;
      }

      .featured-title {
        font-size: 1.125rem;
        flex-basis: 100%;
        order: 3;
        margin-top: 4px;
      }

      .featured-date {
        font-size: 0.8125rem;
        margin-left: auto;
      }

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

      .cta-section {
        padding: 64px 0;
      }

      .cta-box {
        padding: 48px 24px;
      }

      .cta-box h2 {
        font-size: 1.25rem;
      }

      .footer-top {
        flex-direction: column;
      }

      .footer-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }

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

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .directory-cover {
        height: 140px;
      }

      .hero-content {
        padding: 0 20px;
      }

      .hero-content h1 {
        font-size: 1.5rem;
      }

      .hero-subtitle {
        font-size: 0.9375rem;
      }

      .cta-actions {
        flex-direction: column;
      }

      .fav-btn, .share-btn {
        width: 100%;
        justify-content: center;
      }

      .featured-date {
        display: none;
      }

      .section-head h2 {
        font-size: 1.375rem;
      }
    }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
    :root {
      --primary: #1F3A3D;
      --primary-light: #2A4B4F;
      --accent: #C8A96A;
      --accent-dark: #B3944F;
      --bg: #FAF9F6;
      --alt-bg: #F0EFEB;
      --text: #1A1A1A;
      --text-secondary: #6B6B6B;
      --border: #E5E2DC;
      --radius-sm: 4px;
      --radius: 12px;
      --radius-lg: 16px;
      --shadow: 0 8px 24px rgba(31, 58, 61, 0.08);
      --nav-width: 220px;
      --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --transition: 200ms ease;
    }

    /* ========== Reset / 基础 ========== */
    *, *::before, *::after { box-sizing: border-box; }

    html, body {
      margin: 0;
      padding: 0;
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }

    body {
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      display: block;
      border: 0;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }

    a:hover { color: var(--accent); }
    a:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      border-radius: 2px;
    }

    ul, ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-serif);
      color: var(--text);
      margin: 0;
      line-height: 1.35;
      font-weight: 600;
    }

    p {
      margin: 0 0 1em;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 48px;
    }

    .section {
      padding: 96px 0;
    }

    .section-header {
      display: flex;
      align-items: baseline;
      gap: 18px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .section-index {
      font-family: var(--font-sans);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 0.08em;
      padding-bottom: 4px;
      border-bottom: 1px solid var(--accent);
      white-space: nowrap;
    }

    .section-header h2 {
      font-size: 1.875rem;
      font-weight: 600;
      letter-spacing: 0.01em;
    }

    .section-sub {
      width: 100%;
      color: var(--text-secondary);
      max-width: 42em;
      font-size: 1rem;
      margin-top: -24px;
      margin-bottom: 24px;
    }

    /* ========== 侧边导航（桌面） ========== */
    .side-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: var(--nav-width);
      height: 100vh;
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      flex-direction: column;
      padding: 36px 22px 28px;
      z-index: 200;
    }

    .side-nav .brand {
      display: block;
      margin-bottom: 48px;
      padding-left: 4px;
    }

    .side-nav .brand-logo {
      display: block;
      font-family: var(--font-serif);
      font-size: 1.5rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.02em;
      line-height: 1.2;
    }

    .side-nav .brand-sub {
      display: block;
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.55);
      letter-spacing: 0.1em;
      margin-top: 8px;
      text-transform: uppercase;
    }

    .side-nav .brand-domain {
      display: block;
      font-size: 0.65rem;
      color: rgba(255, 255, 255, 0.35);
      margin-top: 2px;
      letter-spacing: 0.04em;
    }

    .side-nav-list {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .side-nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      color: rgba(255, 255, 255, 0.72);
      font-size: 0.95rem;
      font-weight: 400;
      transition: background var(--transition), color var(--transition);
      border-left: 3px solid transparent;
    }

    .side-nav-item:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #FFFFFF;
      border-left-color: var(--accent);
    }

    .side-nav-item:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: -2px;
      border-radius: var(--radius-sm);
    }

    .side-nav-item.active {
      background: rgba(255, 255, 255, 0.08);
      color: var(--accent);
      border-left-color: var(--accent);
      font-weight: 600;
    }

    .nav-index {
      font-size: 0.72rem;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.4);
      letter-spacing: 0.06em;
      min-width: 22px;
    }

    .side-nav-item.active .nav-index {
      color: var(--accent);
    }

    .nav-text {
      font-weight: inherit;
    }

    .side-footer {
      margin-top: auto;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.72rem;
      color: rgba(255, 255, 255, 0.4);
      line-height: 1.7;
      text-align: left;
    }

    .side-footer p {
      margin-bottom: 2px;
    }

    /* ========== 移动端顶部导航 ========== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 60px;
      background: var(--primary);
      z-index: 300;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
    }

    .mobile-brand {
      font-family: var(--font-serif);
      font-size: 1.125rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.02em;
    }

    .menu-toggle {
      background: none;
      border: none;
      width: 40px;
      height: 40px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      border-radius: var(--radius-sm);
      transition: background var(--transition);
    }

    .menu-toggle:hover { background: rgba(255, 255, 255, 0.08); }
    .menu-toggle:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .menu-toggle .bar {
      display: block;
      width: 20px;
      height: 2px;
      background: #FFFFFF;
      border-radius: 1px;
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--primary);
      z-index: 400;
      padding: 20px;
      flex-direction: column;
      transform: translateY(-100%);
      transition: transform 0.3s ease;
      visibility: hidden;
    }

    .mobile-menu.open {
      transform: translateY(0);
      visibility: visible;
    }

    .mobile-menu-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 32px;
    }

    .mobile-menu-title {
      font-family: var(--font-serif);
      font-size: 1.5rem;
      color: #FFFFFF;
      font-weight: 700;
    }

    .mobile-menu-close {
      background: none;
      border: none;
      color: #FFFFFF;
      font-size: 2rem;
      line-height: 1;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      transition: background var(--transition);
    }

    .mobile-menu-close:hover { background: rgba(255, 255, 255, 0.08); }
    .mobile-menu-close:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .mobile-menu nav ul {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .mobile-menu nav a {
      display: block;
      padding: 14px 16px;
      color: rgba(255, 255, 255, 0.8);
      font-size: 1rem;
      border-left: 3px solid transparent;
      border-radius: var(--radius-sm);
      transition: background var(--transition), color var(--transition);
    }

    .mobile-menu nav a:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #FFFFFF;
    }

    .mobile-menu nav a.active {
      color: var(--accent);
      border-left-color: var(--accent);
      background: rgba(255, 255, 255, 0.05);
    }

    .mobile-menu-footer {
      margin-top: auto;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 16px;
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ========== 主内容区 ========== */
    .main-content {
      margin-left: var(--nav-width);
      min-height: 100vh;
    }

    /* ========== 分类页 Hero ========== */
    .page-hero {
      position: relative;
      height: 40vh;
      min-height: 300px;
      max-height: 420px;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      overflow: hidden;
      background-color: var(--primary);
    }

    .page-hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center 30%;
      z-index: 0;
    }

    .page-hero-bg::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(31, 58, 61, 0.82) 0%, rgba(31, 58, 61, 0.52) 55%, rgba(31, 58, 61, 0.2) 100%);
    }

    .page-hero-content {
      position: relative;
      z-index: 1;
      padding: 0 48px;
      max-width: 1200px;
      width: 100%;
      margin: 0 auto;
    }

    .hero-kicker {
      display: inline-block;
      font-size: 0.75rem;
      letter-spacing: 0.14em;
      color: var(--accent);
      margin-bottom: 12px;
      text-transform: uppercase;
      border: 1px solid rgba(200, 169, 106, 0.4);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      background: rgba(31, 58, 61, 0.35);
    }

    .page-hero h1 {
      font-size: 2.75rem;
      font-weight: 700;
      color: #FFFFFF;
      line-height: 1.2;
      letter-spacing: 0.01em;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
      margin-bottom: 12px;
    }

    .page-hero-sub {
      font-size: 1.125rem;
      color: rgba(255, 255, 255, 0.85);
      max-width: 40em;
      line-height: 1.6;
      margin-bottom: 0;
    }

    /* ========== 合集目录 ========== */
    .toc-grid {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .toc-item {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 32px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 24px;
      transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
      align-items: center;
    }

    .toc-item:hover {
      box-shadow: var(--shadow);
      transform: translateY(-4px);
      border-color: var(--primary);
    }

    .toc-cover {
      border-radius: var(--radius);
      overflow: hidden;
      aspect-ratio: 4/3;
      background: var(--alt-bg);
    }

    .toc-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .toc-item:hover .toc-cover img {
      transform: scale(1.04);
    }

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

    .toc-index {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 0.12em;
      margin-bottom: 8px;
      border-bottom: 1px solid var(--accent);
      padding-bottom: 4px;
    }

    .toc-content h3 {
      font-size: 1.375rem;
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text);
    }

    .toc-content p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      margin-bottom: 18px;
      line-height: 1.7;
    }

    .arrow-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--primary);
      cursor: pointer;
      border-bottom: 1px solid transparent;
      transition: gap var(--transition), color var(--transition);
    }

    .arrow-link:hover {
      gap: 10px;
      color: var(--accent);
      border-bottom-color: var(--accent);
    }

    .arrow-link .arrow-icon {
      font-size: 1.1em;
      line-height: 1;
      transition: transform var(--transition);
    }

    /* ========== 精选条目（行式列表） ========== */
    .featured-row-list {
      border-top: 1px solid var(--border);
    }

    .featured-row {
      display: grid;
      grid-template-columns: 120px 1fr 130px;
      align-items: center;
      gap: 24px;
      padding: 28px 16px;
      border-bottom: 1px solid var(--border);
      transition: background var(--transition);
      border-radius: 0;
    }

    .featured-row:hover {
      background: var(--alt-bg);
    }

    .featured-row:hover .featured-title {
      color: var(--primary);
    }

    .featured-badge {
      display: inline-block;
      font-size: 0.72rem;
      font-weight: 500;
      color: var(--accent-dark);
      border: 1px solid var(--accent);
      border-radius: var(--radius-sm);
      padding: 3px 10px;
      text-align: center;
      letter-spacing: 0.06em;
      white-space: nowrap;
      width: fit-content;
      background: rgba(200, 169, 106, 0.08);
    }

    .featured-title {
      font-family: var(--font-serif);
      font-size: 1.25rem;
      font-weight: 500;
      color: var(--text);
      transition: color var(--transition);
      line-height: 1.45;
    }

    .featured-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      justify-content: flex-end;
      font-size: 0.825rem;
      color: var(--text-secondary);
    }

    .featured-date {
      white-space: nowrap;
    }

    .featured-arrow {
      font-size: 1.1rem;
      color: var(--text-secondary);
      transition: transform var(--transition), color var(--transition);
      width: 24px;
      height: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .featured-row:hover .featured-arrow {
      transform: translateX(4px);
      color: var(--primary);
    }

    /* ========== 流程 ========== */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .process-step {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px 24px;
      position: relative;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .process-step:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }

    .process-step-number {
      font-family: var(--font-serif);
      font-size: 2rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
      display: block;
      margin-bottom: 16px;
    }

    .process-step h3 {
      font-size: 1.125rem;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 0;
      line-height: 1.65;
    }

    /* ========== 相关推荐 ========== */
    .recommend-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .recommend-card {
      display: grid;
      grid-template-columns: 60px 1fr auto;
      align-items: center;
      gap: 24px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 28px;
      cursor: pointer;
      transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }

    .recommend-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
      transform: translateY(-2px);
    }

    .recommend-num {
      font-family: var(--font-serif);
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
    }

    .recommend-card h3 {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .recommend-card p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 0;
      line-height: 1.6;
    }

    .recommend-arrow {
      font-size: 1.4rem;
      color: var(--text-secondary);
      transition: transform var(--transition), color var(--transition);
    }

    .recommend-card:hover .recommend-arrow {
      transform: translateX(4px);
      color: var(--primary);
    }

    /* ========== FAQ ========== */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      border-top: 1px solid var(--border);
    }

    .faq-item {
      border-bottom: 1px solid var(--border);
      background: var(--bg);
      transition: background var(--transition);
    }

    .faq-item-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 24px 8px;
      cursor: pointer;
      transition: color var(--transition);
      user-select: none;
    }

    .faq-item-header:hover {
      color: var(--primary);
    }

    .faq-item-header:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: -2px;
      border-radius: var(--radius-sm);
    }

    .faq-item-question {
      font-family: var(--font-serif);
      font-size: 1.125rem;
      font-weight: 500;
      color: var(--text);
      line-height: 1.5;
    }

    .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border: 1px solid var(--border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease, border-color var(--transition), background var(--transition);
      line-height: 1;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      border-color: var(--primary);
      color: #FFFFFF;
    }

    .faq-item-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-item-body-inner {
      padding: 0 28px 24px 28px;
      border-left: 1px solid var(--primary);
      margin-left: 8px;
      color: var(--text-secondary);
      font-size: 0.925rem;
      line-height: 1.75;
    }

    .faq-item-body-inner p {
      margin-bottom: 0;
    }

    /* ========== CTA 收藏/分享 ========== */
    .cta-panel {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background-image: url('/assets/images/coverpic/cover-8.png');
      background-size: cover;
      background-position: center;
      padding: 56px 48px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
    }

    .cta-panel::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(250, 249, 246, 0.85);
      z-index: 0;
    }

    .cta-panel > * {
      position: relative;
      z-index: 1;
    }

    .cta-panel h2 {
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0;
    }

    .cta-panel p {
      color: var(--text-secondary);
      font-size: 0.925rem;
      max-width: 36em;
      margin-bottom: 0;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 0.925rem;
      font-weight: 500;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary);
      background: transparent;
      color: var(--primary);
      transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
      cursor: pointer;
      font-family: var(--font-sans);
    }

    .cta-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    .cta-btn:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    .cta-btn:active {
      transform: scale(0.98);
    }

    .cta-btn.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    @keyframes pop {
      0% { transform: scale(1); }
      50% { transform: scale(1.2); }
      100% { transform: scale(1); }
    }

    .pop-animation {
      animation: pop 0.3s ease;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      margin-left: var(--nav-width);
      background: var(--alt-bg);
      border-top: 1px solid var(--border);
    }

    .footer-inner {
      padding: 56px 48px 32px;
    }

    .footer-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .footer-brand-name {
      font-family: var(--font-serif);
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
    }

    .footer-tagline {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-top: 8px;
      margin-bottom: 0;
    }

    .footer-links {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
      align-items: center;
      font-size: 0.9rem;
    }

    .footer-links a {
      color: var(--text-secondary);
      border-bottom: 1px solid transparent;
      transition: color var(--transition), border-color var(--transition);
    }

    .footer-links a:hover {
      color: var(--primary);
      border-bottom-color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 0.8rem;
      color: var(--text-secondary);
    }

    .footer-bottom p {
      margin-bottom: 0;
    }

    /* ========== 动效：滚动渐入 ========== */
    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      .container {
        padding: 0 32px;
      }

      .page-hero-content {
        padding: 0 32px;
      }

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

      .section {
        padding: 72px 0;
      }
    }

    @media (max-width: 768px) {
      .side-nav {
        display: none;
      }

      .main-content {
        margin-left: 0;
        padding-top: 60px;
      }

      .mobile-header {
        display: flex;
      }

      .mobile-menu {
        display: flex;
      }

      .site-footer {
        margin-left: 0;
      }

      .container {
        padding: 0 20px;
      }

      .page-hero-content {
        padding: 0 20px;
      }

      .page-hero {
        height: auto;
        min-height: 320px;
        padding: 80px 0 48px;
      }

      .page-hero h1 {
        font-size: 1.85rem;
      }

      .page-hero-sub {
        font-size: 0.95rem;
      }

      .section {
        padding: 64px 0;
      }

      .section-header h2 {
        font-size: 1.5rem;
      }

      .toc-item {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 16px;
      }

      .toc-cover {
        aspect-ratio: 16/9;
      }

      .featured-row {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 20px 8px;
      }

      .featured-meta {
        justify-content: space-between;
        margin-top: 4px;
      }

      .process-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .recommend-card {
        grid-template-columns: 40px 1fr;
        gap: 16px;
        padding: 18px 20px;
      }

      .recommend-arrow {
        display: none;
      }

      .cta-panel {
        padding: 40px 24px;
      }

      .cta-panel h2 {
        font-size: 1.25rem;
      }

      .footer-inner {
        padding: 40px 20px 24px;
      }

      .footer-top {
        flex-direction: column;
      }

      .footer-links {
        gap: 16px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .page-hero h1 {
        font-size: 1.5rem;
      }

      .page-hero-sub {
        font-size: 0.875rem;
      }

      .section-header h2 {
        font-size: 1.375rem;
      }

      .toc-content h3 {
        font-size: 1.125rem;
      }

      .featured-title {
        font-size: 1.125rem;
      }

      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .cta-btn {
        justify-content: center;
      }

      .footer-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
    }

/* roulang page: category3 */
:root {
      --primary: #1F3A3D;
      --accent: #C8A96A;
      --bg: #FAF9F6;
      --alt-bg: #F0EFEB;
      --text: #1A1A1A;
      --text-muted: #6B6B6B;
      --border: #E5E2DC;
      --radius-card: 12px;
      --radius-large: 16px;
      --radius-btn: 4px;
      --radius-img: 8px;
      --shadow-card: 0 8px 24px rgba(31,58,61,0.08);
      --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --font-num: 'Inter', 'Noto Sans SC', sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--text);
      line-height: 1.8;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
    }

    body.no-scroll {
      overflow: hidden;
    }

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

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

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 48px;
    }

    /* ========== 侧栏导航 ========== */
    .side-nav {
      position: fixed;
      left: 0;
      top: 0;
      width: 220px;
      height: 100vh;
      background: var(--primary);
      z-index: 300;
      overflow-y: auto;
    }

    .side-nav-inner {
      display: flex;
      flex-direction: column;
      height: 100%;
      min-height: 100%;
      padding: 36px 0 24px;
    }

    .brand {
      padding: 0 28px 28px;
    }

    .brand-logo {
      display: block;
      color: #fff;
      font-family: var(--font-serif);
      font-size: 1.18rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      line-height: 1.4;
    }

    .brand-mark {
      display: block;
      color: rgba(255,255,255,0.4);
      font-family: var(--font-num);
      font-size: 0.65rem;
      letter-spacing: 0.35em;
      margin-top: 4px;
      text-transform: uppercase;
    }

    .brand-domain {
      color: rgba(255,255,255,0.32);
      font-size: 0.7rem;
      letter-spacing: 0.08em;
      margin-top: 10px;
    }

    .side-nav-list {
      list-style: none;
      margin: 0;
      padding: 8px 0;
      flex: 1;
    }

    .side-nav-item {
      position: relative;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 28px;
      color: rgba(255,255,255,0.72);
      font-size: 0.9rem;
      line-height: 1.4;
      transition: color 0.2s ease, background 0.2s ease;
    }

    .side-nav-item::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 3px;
      background: var(--accent);
      transform: scaleY(0);
      transition: transform 0.2s ease;
    }

    .side-nav-item:hover {
      color: #fff;
      background: rgba(255,255,255,0.06);
    }

    .side-nav-item:hover::before {
      transform: scaleY(1);
    }

    .side-nav-item.active {
      color: var(--accent);
      background: rgba(255,255,255,0.04);
    }

    .side-nav-item.active::before {
      transform: scaleY(1);
    }

    .nav-index {
      font-family: var(--font-num);
      font-size: 0.7rem;
      color: rgba(255,255,255,0.42);
      letter-spacing: 0.06em;
    }

    .side-nav-item.active .nav-index {
      color: rgba(255,255,255,0.55);
    }

    .side-footer {
      padding: 0 28px;
    }

    .side-footer p {
      color: rgba(255,255,255,0.38);
      font-size: 0.72rem;
      line-height: 1.6;
      margin: 0;
    }

    .side-icp {
      margin-top: 2px;
    }

    .side-social {
      display: flex;
      gap: 14px;
      margin-top: 14px;
    }

    .side-social a {
      color: rgba(255,255,255,0.5);
      font-size: 0.95rem;
      transition: color 0.2s ease;
    }

    .side-social a:hover {
      color: var(--accent);
    }

    .nav-close {
      display: none;
      position: absolute;
      top: 14px;
      right: 14px;
      width: 36px;
      height: 36px;
      background: transparent;
      border: none;
      color: rgba(255,255,255,0.8);
      font-size: 1.1rem;
      cursor: pointer;
      z-index: 10;
    }

    .nav-mask {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(20,26,27,0.45);
      z-index: 250;
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    .nav-mask.show {
      opacity: 1;
    }

    /* ========== 移动端顶栏 ========== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 60px;
      background: var(--primary);
      z-index: 400;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      box-shadow: 0 2px 12px rgba(31,58,61,0.18);
    }

    .mobile-brand {
      color: #fff;
      font-family: var(--font-serif);
      font-size: 1rem;
      font-weight: 600;
      line-height: 1.2;
    }

    .mobile-toggle {
      width: 40px;
      height: 40px;
      background: transparent;
      border: none;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      cursor: pointer;
    }

    .mobile-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .mobile-toggle[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .mobile-toggle[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .mobile-toggle[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ========== 主内容布局 ========== */
    .site-main,
    .site-footer {
      margin-left: 220px;
    }

    /* ========== 分类页 Hero ========== */
    .cat-hero {
      position: relative;
      min-height: 40vh;
      display: flex;
      align-items: center;
      background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
    }

    .cat-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(31,58,61,0.92) 0%, rgba(31,58,61,0.72) 55%, rgba(31,58,61,0.46) 100%);
    }

    .cat-hero .container {
      position: relative;
      z-index: 1;
      padding-top: 72px;
      padding-bottom: 72px;
    }

    .hero-eyebrow {
      display: inline-block;
      color: var(--accent);
      font-size: 0.8rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      margin-bottom: 18px;
      border-bottom: 1px solid rgba(255,255,255,0.25);
      padding-bottom: 8px;
    }

    .hero-title {
      font-family: var(--font-serif);
      font-size: 2.6rem;
      line-height: 1.25;
      font-weight: 600;
      color: #fff;
      max-width: 14em;
      text-shadow: 0 1px 18px rgba(0,0,0,0.28);
      margin-bottom: 20px;
    }

    .hero-subtitle {
      max-width: 40em;
      color: rgba(255,255,255,0.82);
      font-size: 1.0625rem;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .hero-scroll {
      position: absolute;
      bottom: 26px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      color: rgba(255,255,255,0.72);
      font-size: 0.75rem;
      letter-spacing: 0.14em;
    }

    .scroll-line {
      width: 1px;
      height: 36px;
      background: rgba(255,255,255,0.6);
      animation: scrollPulse 2.2s ease-in-out infinite;
    }

    @keyframes scrollPulse {
      0%, 100% { transform: scaleY(0.5); transform-origin: top; }
      50% { transform: scaleY(1); }
    }

    /* ========== 通用板块 ========== */
    .section {
      padding: 96px 0;
    }

    .alt-section {
      background: var(--alt-bg);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .section-head h2 {
      font-family: var(--font-serif);
      font-size: 1.875rem;
      font-weight: 600;
      line-height: 1.3;
      color: var(--text);
      margin: 0;
    }

    .section-head p {
      margin: 8px 0 0;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .section-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.875rem;
      color: var(--primary);
      border-bottom: 1px solid transparent;
      padding-bottom: 2px;
      transition: border-color 0.2s ease, color 0.2s ease;
    }

    .section-link:hover {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }

    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      font-size: 0.95rem;
      font-weight: 500;
      line-height: 1.4;
      cursor: pointer;
      border: 1px solid transparent;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
    }

    .btn-secondary {
      background: transparent;
      color: #fff;
      border-color: rgba(255,255,255,0.65);
    }

    .btn-secondary:hover {
      background: #fff;
      color: var(--primary);
      border-color: #fff;
    }

    /* ========== 合集目录 ========== */
    .catalog-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .catalog-item {
      display: flex;
      align-items: center;
      gap: 20px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-large);
      padding: 24px;
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .catalog-item:nth-child(even) {
      transform: translateY(28px);
    }

    .catalog-item:hover {
      transform: translateY(4px);
      border-color: var(--primary);
      box-shadow: var(--shadow-card);
    }

    .catalog-item:nth-child(even):hover {
      transform: translateY(32px);
    }

    .catalog-index {
      font-family: var(--font-serif);
      font-size: 2rem;
      font-weight: 600;
      color: var(--accent);
      line-height: 1;
      min-width: 44px;
    }

    .catalog-thumb {
      width: 110px;
      height: 82px;
      object-fit: cover;
      border-radius: var(--radius-img);
      flex-shrink: 0;
      background: var(--alt-bg);
    }

    .catalog-body {
      flex: 1;
      min-width: 0;
    }

    .catalog-title {
      display: block;
      font-family: var(--font-serif);
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text);
      line-height: 1.4;
    }

    .catalog-desc {
      display: block;
      color: var(--text-muted);
      font-size: 0.875rem;
      line-height: 1.6;
      margin-top: 5px;
    }

    .catalog-arrow {
      flex-shrink: 0;
      color: var(--primary);
    }

    .catalog-arrow i {
      transition: transform 0.2s ease;
    }

    .catalog-item:hover .catalog-arrow i {
      transform: translateX(4px);
    }

    /* ========== 信息条 ========== */
    .info-bar {
      display: flex;
      align-items: center;
      gap: 14px;
      background: var(--alt-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 18px 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-top: 32px;
    }

    .info-bar i {
      color: var(--accent);
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    /* ========== 精选条目列表 ========== */
    .row-list {
      border-top: 1px solid var(--border);
    }

    .row-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 22px 8px;
      border-bottom: 1px solid var(--border);
      transition: background 0.2s ease;
    }

    .row-item:hover {
      background: var(--alt-bg);
    }

    .badge {
      display: inline-block;
      font-size: 0.75rem;
      letter-spacing: 0.08em;
      padding: 4px 12px;
      border: 1px solid var(--accent);
      color: var(--accent);
      border-radius: 999px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .row-main {
      flex: 1;
      min-width: 0;
    }

    .row-title {
      font-family: var(--font-serif);
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text);
      line-height: 1.4;
      margin: 0;
      transition: color 0.2s ease;
    }

    .row-item:hover .row-title {
      color: var(--primary);
    }

    .row-date {
      color: var(--text-muted);
      font-size: 0.85rem;
      white-space: nowrap;
      font-family: var(--font-num);
    }

    .row-arrow {
      color: var(--primary);
      flex-shrink: 0;
    }

    /* ========== 流程步骤 ========== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .step-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow-card);
    }

    .step-num {
      display: block;
      font-family: var(--font-serif);
      font-size: 2.2rem;
      font-weight: 600;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 1.0625rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text);
    }

    .step-card p {
      color: var(--text-muted);
      font-size: 0.875rem;
      line-height: 1.7;
      margin: 0;
    }

    /* ========== 相关推荐 ========== */
    .rec-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 40px;
    }

    .rec-card {
      display: flex;
      align-items: center;
      gap: 24px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 24px 28px;
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .rec-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card);
      transform: translateY(-4px);
    }

    .rec-index {
      font-family: var(--font-serif);
      font-size: 1.6rem;
      font-weight: 600;
      color: var(--accent);
      flex-shrink: 0;
    }

    .rec-body {
      flex: 1;
      min-width: 0;
    }

    .rec-body h3 {
      font-family: var(--font-serif);
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
    }

    .rec-body p {
      color: var(--text-muted);
      font-size: 0.875rem;
      margin: 0;
      line-height: 1.6;
    }

    .rec-arrow {
      flex-shrink: 0;
      color: var(--primary);
    }

    .rec-arrow i {
      transition: transform 0.2s ease;
    }

    .rec-card:hover .rec-arrow i {
      transform: translateX(4px);
    }

    /* ========== FAQ ========== */
    .faq-list {
      border-top: 1px solid var(--border);
      margin-top: 40px;
    }

    .faq-item {
      border-bottom: 1px solid var(--border);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      width: 100%;
      padding: 22px 8px;
      background: none;
      border: none;
      font-family: var(--font-sans);
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      text-align: left;
      cursor: pointer;
      transition: color 0.2s ease;
    }

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

    .faq-question::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
      flex-shrink: 0;
      line-height: 1;
    }

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

    .faq-answer {
      display: none;
      padding: 0 16px 22px;
      margin-left: 8px;
      border-left: 1px solid var(--primary);
      padding-left: 20px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* ========== 收藏 / 分享 CTA ========== */
    .cta-box {
      position: relative;
      border-radius: var(--radius-large);
      background: url('/assets/images/coverpic/cover-10.png') center center / cover no-repeat;
      padding: 64px 40px;
      text-align: center;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(250, 249, 246, 0.85);
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      max-width: 680px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      font-family: var(--font-serif);
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .cta-inner p {
      color: var(--text-muted);
      margin-bottom: 28px;
      font-size: 0.95rem;
    }

    .cta-actions {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .icon-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 22px;
      border-radius: var(--radius-btn);
      border: 1px solid var(--border);
      background: #fff;
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .icon-btn:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    .fav-anim {
      animation: favPop 0.35s ease;
    }

    @keyframes favPop {
      0% { transform: scale(1); }
      50% { transform: scale(1.2); }
      100% { transform: scale(1); }
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--alt-bg);
      border-top: 1px solid var(--border);
    }

    .footer-inner {
      padding: 48px 0 32px;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 24px;
      flex-wrap: wrap;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--border);
    }

    .footer-brand-name {
      font-family: var(--font-serif);
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--text);
    }

    .footer-tagline {
      color: var(--text-muted);
      font-size: 0.85rem;
      margin-top: 6px;
      margin-bottom: 0;
    }

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

    .footer-links a {
      color: var(--text-muted);
      font-size: 0.875rem;
      transition: color 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      padding-top: 20px;
    }

    .footer-bottom p {
      color: var(--text-muted);
      font-size: 0.8rem;
      margin: 0;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      .container {
        padding: 0 32px;
      }

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

    @media (max-width: 768px) {
      .container {
        padding: 0 24px;
      }

      .mobile-header {
        display: flex;
      }

      .side-nav {
        transform: translateX(-105%);
        transition: transform 0.3s ease;
        width: 260px;
        box-shadow: 4px 0 24px rgba(0,0,0,0.18);
      }

      .side-nav.open {
        transform: translateX(0);
      }

      .nav-close {
        display: block;
      }

      .nav-mask.show {
        display: block;
      }

      .site-main,
      .site-footer {
        margin-left: 0;
      }

      .site-main {
        padding-top: 60px;
      }

      .cat-hero {
        min-height: 55vh;
      }

      .hero-title {
        font-size: 2rem;
      }

      .hero-subtitle {
        font-size: 1rem;
      }

      .hero-scroll {
        display: none;
      }

      .section {
        padding: 64px 0;
      }

      .section-head h2 {
        font-size: 1.5rem;
      }

      .catalog-list {
        grid-template-columns: 1fr;
      }

      .catalog-item:nth-child(even),
      .catalog-item:nth-child(even):hover {
        transform: none;
      }

      .catalog-item:hover {
        transform: translateY(-4px);
      }

      .info-bar {
        flex-direction: column;
        align-items: flex-start;
      }

      .row-item {
        flex-wrap: wrap;
        gap: 12px;
        padding: 18px 8px;
      }

      .row-date {
        width: 100%;
        padding-left: 0;
      }

      .row-title {
        font-size: 1.125rem;
      }

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

      .rec-card {
        flex-wrap: wrap;
        padding: 20px;
      }

      .cta-box {
        padding: 48px 24px;
      }

      .footer-top {
        flex-direction: column;
      }

      .footer-links {
        gap: 16px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 20px;
      }

      .hero-title {
        font-size: 1.75rem;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        justify-content: center;
      }

      .catalog-thumb {
        width: 96px;
        height: 72px;
      }

      .catalog-title {
        font-size: 1rem;
      }

      .catalog-desc {
        font-size: 0.8125rem;
      }

      .step-card {
        padding: 22px 18px;
      }

      .cta-inner h2 {
        font-size: 1.25rem;
      }
    }

    /* ========== 滚动渐入 ========== */
    .js .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

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