/* roulang page: index */
/* ============================================================
   设计变量与主题系统
   ============================================================ */
:root {
  --c-primary: #0B6E5B;
  --c-primary-dark: #084B3E;
  --c-primary-light: #E5F2EE;
  --c-accent: #F26B3A;
  --c-gold: #D8A03D;
  --c-bg: #FAF7F2;
  --c-surface: #FFFFFF;
  --c-text: #1F2A27;
  --c-text-secondary: #6B7A76;
  --c-border: #E6E2DA;
  --radius-sm: 8px;
  --radius-card: 16px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(15, 45, 38, 0.08);
  --shadow-hover: 0 12px 30px rgba(15, 45, 38, 0.14);
  --transition: 0.25s ease;
  --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
}

/* ============================================================
   基础 Reset 与通用
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition); }
a:hover { color: var(--c-accent); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }
h1 { font-size: 44px; font-weight: 800; letter-spacing: 0.01em; }
h2 { font-size: 32px; font-weight: 700; letter-spacing: 0.01em; }
h3 { font-size: 22px; font-weight: 600; }

/* ============================================================
   容器与栅格
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 88px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--c-text-secondary); font-size: 15px; max-width: 560px; margin: 0 auto; }
.eyebrow {
  display: inline-block;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 30px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(242, 107, 58, 0.3);
}
.btn-primary:hover {
  background: #f77e52;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 107, 58, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(242, 107, 58, 0.3);
}
.btn-dark {
  background: var(--c-primary);
  color: #fff;
}
.btn-dark:hover {
  background: var(--c-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-outline {
  background: transparent;
  border-color: var(--c-border);
  color: var(--c-text);
}
.btn-outline:hover {
  background: var(--c-primary-light);
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.btn-lg { height: 56px; padding: 0 40px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

/* ============================================================
   Header / 导航
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--c-primary);
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--c-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(11, 110, 91, 0.25);
}
.logo:hover { color: var(--c-primary); }
.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; gap: 2px; }
.main-nav a {
  display: inline-block;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
  transition: all var(--transition);
}
.main-nav a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.main-nav a.active { background: var(--c-primary); color: #fff; box-shadow: 0 4px 12px rgba(11, 110, 91, 0.25); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .btn { height: 42px; padding: 0 24px; font-size: 14px; }
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--c-text);
  background: var(--c-primary-light);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--c-primary); color: #fff; }
/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: #fff;
  z-index: 1100;
  padding: 24px;
  transition: right 0.3s ease;
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open { right: 0; }
.drawer-close {
  align-self: flex-end;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--c-primary-light);
  color: var(--c-text);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.drawer-nav ul { display: flex; flex-direction: column; gap: 2px; }
.drawer-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text);
  border-radius: 12px;
  transition: all var(--transition);
}
.drawer-nav a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.drawer-nav a.active { background: var(--c-primary); color: #fff; }
.drawer-footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--c-border); }
.drawer-footer .btn { display: flex; margin-bottom: 10px; }
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s;
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

/* ============================================================
   Hero 首屏
   ============================================================ */
.hero {
  padding: 72px 0 88px;
  position: relative;
  overflow: hidden;
  background: var(--c-bg);
}
.hero::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(242, 107, 58, 0.07);
  top: -100px;
  right: -80px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(216, 160, 61, 0.07);
  bottom: -60px;
  left: 10%;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 0 0 55%; }
.hero-visual { flex: 0 0 45%; display: flex; justify-content: center; }
.hero-content h1 { margin-bottom: 20px; color: var(--c-primary-dark); }
.hero-content .hero-sub {
  font-size: 17px;
  color: var(--c-text-secondary);
  line-height: 1.9;
  max-width: 460px;
  margin-bottom: 32px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  color: var(--c-text-secondary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}
.trust-chip i { color: var(--c-gold); font-size: 12px; }
.hero-btns { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.text-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-primary);
  border-bottom: 1px dashed var(--c-primary);
  padding-bottom: 2px;
}
.text-link:hover { color: var(--c-accent); border-color: var(--c-accent); }
/* 竖屏视频卡 */
.video-card {
  width: 300px;
  height: 500px;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  border: 4px solid #fff;
  box-shadow: 0 16px 40px rgba(15, 45, 38, 0.18);
  flex-shrink: 0;
}
.video-card .vc-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0) 60%);
}
.vc-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--c-primary);
  color: #fff;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  letter-spacing: 0.03em;
}
.vc-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--c-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition), box-shadow var(--transition);
}
.vc-play:hover { transform: translate(-50%, -50%) scale(1.1); box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3); }
.vc-meta {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
}
.vc-time {
  background: rgba(0, 0, 0, 0.6);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}
.vc-hot {
  background: rgba(0, 0, 0, 0.6);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.vc-hot i { color: var(--c-gold); }

/* ============================================================
   爆款片段卡
   ============================================================ */
.clips-section { background: var(--c-surface); padding: 88px 0; }
.clips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.clip-card {
  background: var(--c-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.clip-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.clip-media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--c-primary-light);
}
.clip-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.clip-card:hover .clip-media img { transform: scale(1.03); }
.clip-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}
.clip-badge.hot { background: var(--c-accent); }
.clip-badge.pop { background: var(--c-gold); }
.clip-badge.new { background: var(--c-primary); }
.clip-time {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.clip-info { padding: 18px 20px 20px; }
.clip-info h3 { font-size: 17px; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 51px; }
.clip-stats { display: flex; align-items: center; gap: 16px; font-size: 12px; color: var(--c-text-secondary); }
.clip-stats span { display: inline-flex; align-items: center; gap: 5px; }
.clip-stats i { color: var(--c-text-secondary); }

/* ============================================================
   种草清单
   ============================================================ */
.wishlist-section { padding: 88px 0; }
.wishlist-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 40px; }
.wishlist-item {
  display: flex;
  gap: 20px;
  align-items: center;
  background: var(--c-surface);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid var(--c-border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.wishlist-item:nth-child(odd) { transform: translateY(20px); }
.wishlist-item:hover { transform: translateY(16px) scale(1.01); box-shadow: var(--shadow-hover); }
.wishlist-item:nth-child(odd):hover { transform: translateY(16px) scale(1.01); }
.wl-num {
  font-size: 40px;
  font-weight: 600;
  color: var(--c-gold);
  font-family: 'Georgia', serif;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.8;
}
.wl-thumb {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}
.wl-thumb img { width: 100%; height: 100%; object-fit: cover; }
.wl-body { flex: 1; min-width: 0; }
.wl-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.wl-body p { font-size: 13px; color: var(--c-text-secondary); line-height: 1.6; margin-bottom: 8px; }
.wl-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.wl-tag {
  font-size: 11px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-weight: 500;
}
.wl-price { font-size: 18px; font-weight: 600; color: var(--c-accent); white-space: nowrap; flex-shrink: 0; }
.wl-btn {
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  background: var(--c-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.wl-btn:hover { background: var(--c-accent); color: #fff; transform: translateY(-2px); }

/* ============================================================
   评论 / 口碑条
   ============================================================ */
.reviews-section {
  background: var(--c-primary-dark);
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}
.reviews-section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  top: -80px;
  right: -60px;
}
.reviews-section .section-head h2 { color: #F7F2EA; }
.reviews-section .section-head p { color: rgba(247, 242, 234, 0.7); }
.reviews-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 12px 4px 20px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.3) transparent;
}
.reviews-track::-webkit-scrollbar { height: 6px; }
.reviews-track::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 8px; }
.review-card {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 24px;
  min-width: 280px;
  max-width: 320px;
  flex-shrink: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2); }
.review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 600; color: var(--c-text); }
.review-stars { color: var(--c-gold); font-size: 13px; margin-top: 2px; }
.review-text { font-size: 14px; line-height: 1.7; color: var(--c-text-secondary); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.review-source {
  font-size: 12px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  display: inline-block;
  font-weight: 500;
}

/* ============================================================
   一键跟买 CTA 区
   ============================================================ */
.cta-section {
  background: var(--c-primary-dark);
  padding: 88px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(242, 107, 58, 0.1);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.cta-section::after {
  content: 'hth官方网';
  position: absolute;
  bottom: 20px;
  right: 30px;
  font-size: 90px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  letter-spacing: 0.05em;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: #F7F2EA; font-size: 36px; margin-bottom: 16px; }
.cta-section p { color: rgba(247, 242, 234, 0.7); font-size: 16px; margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-section .btn { min-width: 220px; height: 56px; font-size: 17px; }
.cta-note { display: block; margin-top: 18px; font-size: 13px; color: rgba(247, 242, 234, 0.5); }

/* ============================================================
   最新资讯（CMS 区域）
   ============================================================ */
.news-section { padding: 88px 0; background: var(--c-surface); }
.news-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.news-featured {
  background: var(--c-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: box-shadow var(--transition);
}
.news-featured:hover { box-shadow: var(--shadow-hover); }
.news-featured-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.news-featured-media img { width: 100%; height: 100%; object-fit: cover; }
.news-featured-media .news-badge {
  position: absolute;
  top: 16px;
  left: 16px;
}
.news-badge {
  background: var(--c-primary);
  color: #fff;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  display: inline-block;
  letter-spacing: 0.02em;
}
.news-featured-body { padding: 28px; }
.news-featured-body h3 { font-size: 22px; margin-bottom: 12px; line-height: 1.4; }
.news-featured-body p { color: var(--c-text-secondary); font-size: 14px; line-height: 1.8; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--c-text-secondary); }
.news-meta .news-date { display: inline-flex; align-items: center; gap: 6px; }
.news-read-more { font-weight: 600; font-size: 14px; color: var(--c-primary); display: inline-flex; align-items: center; gap: 6px; }
.news-read-more:hover { color: var(--c-accent); gap: 10px; }
.news-list { display: flex; flex-direction: column; }
.news-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-border);
  transition: background-color var(--transition);
}
.news-row:last-child { border-bottom: none; }
.news-row:hover { background: rgba(229, 242, 238, 0.4); }
.news-row-content { flex: 1; min-width: 0; }
.news-row-content h4 { font-size: 16px; font-weight: 600; margin: 6px 0 6px; line-height: 1.5; }
.news-row-content h4 a { color: var(--c-text); }
.news-row-content h4 a:hover { color: var(--c-primary); }
.news-row-content p { font-size: 13px; color: var(--c-text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-row-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex-shrink: 0; }
.news-row-meta .news-date { font-size: 12px; color: var(--c-text-secondary); white-space: nowrap; }
.news-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-primary-light);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all var(--transition);
}
.news-link:hover { background: var(--c-primary); color: #fff; transform: translateX(3px); }
.news-badge-sm { font-size: 11px; padding: 3px 10px; }
.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--c-text-secondary);
  background: var(--c-primary-light);
  border-radius: var(--radius-card);
}
.news-empty i { font-size: 40px; margin-bottom: 12px; display: block; color: var(--c-primary); opacity: 0.4; }

/* ============================================================
   FAQ 手风琴
   ============================================================ */
.faq-section { padding: 88px 0; }
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-wrap .accordion { margin: 0; list-style: none; background: none; border: none; }
.faq-wrap .accordion-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: box-shadow var(--transition);
}
.faq-wrap .accordion-item:hover { box-shadow: var(--shadow-card); }
.faq-wrap .accordion-title {
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: none !important;
  transition: color var(--transition);
}
.faq-wrap .accordion-title::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--c-primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-wrap .accordion-item.is-active .accordion-title { color: var(--c-primary); border-bottom-color: var(--c-border); }
.faq-wrap .accordion-item.is-active .accordion-title::after { transform: rotate(180deg); color: var(--c-accent); }
.faq-wrap .accordion-content {
  padding: 0 28px 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-secondary);
  background: none !important;
}

/* ============================================================
   Footer 页脚
   ============================================================ */
.site-footer { background: var(--c-primary-dark); color: rgba(247, 242, 234, 0.8); padding-top: 56px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .logo { color: #F7F2EA; margin-bottom: 16px; }
.footer-brand .logo-icon { background: rgba(255, 255, 255, 0.15); color: #F7F2EA; }
.footer-brand p { color: rgba(247, 242, 234, 0.6); line-height: 1.8; font-size: 13px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #F7F2EA; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 2px; background: var(--c-gold); border-radius: 4px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(247, 242, 234, 0.7); font-size: 14px; transition: color var(--transition); }
.footer-col ul a:hover { color: var(--c-gold); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; color: rgba(247, 242, 234, 0.6); }
.footer-contact i { color: var(--c-gold); margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(247, 242, 234, 0.4);
}

/* ============================================================
   Responsive 响应式
   ============================================================ */
@media screen and (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .hero-content { flex: 0 0 50%; }
  .hero-visual { flex: 0 0 50%; }
  .video-card { width: 260px; height: 440px; }
  .clips-grid { grid-template-columns: repeat(2, 1fr); }
  .wishlist-grid { gap: 28px 24px; }
  .wishlist-item { padding: 20px; flex-wrap: wrap; }
  .wl-price { width: 100%; margin-top: 4px; }
  .news-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media screen and (max-width: 640px) {
  .section-pad { padding: 56px 0; }
  .clips-section { padding: 56px 0; }
  .wishlist-section { padding: 56px 0; }
  .reviews-section { padding: 56px 0; }
  .cta-section { padding: 56px 0; }
  .news-section { padding: 56px 0; }
  .faq-section { padding: 56px 0; }
  .container { padding: 0 16px; }
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }
  .hero { padding: 48px 0 56px; }
  .hero-grid { flex-direction: column; gap: 40px; }
  .hero-content { flex: 0 0 100%; }
  .hero-visual { flex: 0 0 100%; }
  .video-card { width: 240px; height: 400px; max-height: 420px; }
  .clips-grid { grid-template-columns: 1fr; gap: 24px; }
  .wishlist-grid { grid-template-columns: 1fr; }
  .wishlist-item:nth-child(odd) { transform: none; }
  .wishlist-item:hover { transform: translateY(-4px); }
  .wishlist-item:nth-child(odd):hover { transform: translateY(-4px); }
  .news-layout { grid-template-columns: 1fr; }
  .news-featured-body { padding: 20px; }
  .news-row { flex-direction: column; padding: 16px 0; }
  .news-row-meta { flex-direction: row; justify-content: space-between; align-items: center; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .main-nav { display: none; }
  .header-actions .btn { display: none; }
  .hamburger { display: flex; }
  .cta-section h2 { font-size: 26px; }
  .cta-section .btn { width: 100%; min-width: 0; }
  .faq-wrap .accordion-title { padding: 18px 20px; font-size: 15px; }
  .faq-wrap .accordion-content { padding: 0 20px 18px; }
  .hero-btns .btn { flex: 1; }
  .text-link { text-align: center; margin-top: 4px; }
}
@media screen and (max-width: 480px) {
  .container { padding: 0 14px; }
  .logo { font-size: 19px; }
  .logo-icon { width: 32px; height: 32px; font-size: 15px; }
  .hero-content h1 { font-size: 27px; }
  .hero-content .hero-sub { font-size: 15px; }
  .trust-chip { font-size: 12px; padding: 4px 12px; }
  .wl-thumb { width: 60px; height: 60px; }
  .wl-num { font-size: 30px; }
  .wl-btn { height: 36px; padding: 0 14px; font-size: 13px; }
  .review-card { min-width: 240px; }
  .cta-section h2 { font-size: 23px; }
  .news-featured-body h3 { font-size: 18px; }
}

/* roulang page: category1 */
:root {
  --c-primary: #0B6E5B;
  --c-primary-dark: #084B3E;
  --c-primary-light: #E5F2EE;
  --c-accent: #F26B3A;
  --c-gold: #D8A03D;
  --c-bg: #FAF7F2;
  --c-surface: #FFFFFF;
  --c-text: #1F2A27;
  --c-text-secondary: #6B7A76;
  --c-border: #E6E2DA;
  --radius: 16px;
  --radius-lg: 20px;
  --radius-sm: 12px;
  --shadow: 0 8px 24px rgba(15,45,38,.08);
  --shadow-hover: 0 12px 30px rgba(15,45,38,.14);
  --transition: .25s ease;
}

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

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

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-pad {
  padding: 88px 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin: 16px 0 12px;
  color: var(--c-text);
}

.section-head p {
  font-size: 16px;
  color: var(--c-text-secondary);
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 0 rgba(15,45,38,.06);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(15,45,38,.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 800;
  color: var(--c-text);
  white-space: nowrap;
}

.logo:hover {
  color: var(--c-text);
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--c-primary);
  color: #F7F2EA;
  border-radius: 10px;
  font-size: 17px;
}

.main-nav ul {
  display: flex;
  gap: 4px;
}

.main-nav a {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-secondary);
  transition: all var(--transition);
}

.main-nav a:hover {
  color: var(--c-primary);
  background: var(--c-primary-light);
}

.main-nav a.active {
  background: var(--c-primary);
  color: #F7F2EA;
  font-weight: 600;
}

.main-nav a.active:hover {
  color: #F7F2EA;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

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

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

.btn-primary {
  background: var(--c-primary);
  color: #F7F2EA;
}

.btn-primary:hover {
  background: #0d826b;
  color: #F7F2EA;
  box-shadow: 0 8px 20px rgba(11,110,91,.25);
}

.btn-accent {
  background: var(--c-accent);
  color: #F7F2EA;
}

.btn-accent:hover {
  background: #f47e50;
  color: #F7F2EA;
  box-shadow: 0 8px 22px rgba(242,107,58,.3);
}

.btn-outline-light {
  border-color: rgba(247,242,234,.6);
  color: #F7F2EA;
  background: transparent;
}

.btn-outline-light:hover {
  background: rgba(247,242,234,.12);
  border-color: #F7F2EA;
  color: #F7F2EA;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-text);
}

.btn-ghost:hover {
  background: var(--c-primary-light);
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: 20px;
  align-items: center;
  justify-content: center;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: var(--c-surface);
  z-index: 200;
  box-shadow: -10px 0 40px rgba(15,45,38,.15);
  transform: translateX(100%);
  transition: transform .3s ease;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,45,38,.4);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: all .3s ease;
}

.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.drawer-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text);
}

.drawer-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-nav {
  flex: 1;
}

.drawer-nav li {
  border-bottom: 1px solid var(--c-border);
}

.drawer-nav a {
  display: block;
  padding: 16px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text);
}

.drawer-nav a.active {
  color: var(--c-primary);
  font-weight: 700;
}

.drawer-cta {
  width: 100%;
  justify-content: center;
  margin-top: 16px;
}

/* Category Hero */
.category-hero {
  position: relative;
  padding: 96px 0 88px;
  background: var(--c-primary-dark);
  overflow: hidden;
}

.category-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .22;
  z-index: 1;
}

.category-hero::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(216,160,61,.3) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 2;
}

.category-hero-inner {
  position: relative;
  z-index: 3;
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  color: #F7F2EA;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 22px;
  backdrop-filter: blur(4px);
}

.category-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  color: #F7F2EA;
  margin: 0 0 18px;
  letter-spacing: .01em;
}

.hero-desc {
  font-size: 17px;
  color: rgba(247,242,234,.85);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.breadcrumb-bar {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  padding: 14px 0;
  font-size: 14px;
  color: var(--c-text-secondary);
}

.breadcrumb-bar a {
  color: var(--c-text-secondary);
}

.breadcrumb-bar a:hover {
  color: var(--c-primary);
}

.breadcrumb-bar span.sep {
  margin: 0 8px;
  color: #c0c9c6;
}

.breadcrumb-bar .cur {
  color: var(--c-text);
  font-weight: 500;
}

/* Feature Block */
.feature-block {
  background: var(--c-bg);
}

.feature-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.feature-img-wrap img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform .5s ease;
}

.feature-img-wrap:hover img {
  transform: scale(1.03);
}

.feature-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,45,38,.12), transparent 50%);
}

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

.feature-content h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  margin: 14px 0 16px;
}

.feature-content p {
  font-size: 16px;
  color: var(--c-text-secondary);
  margin-bottom: 22px;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--c-text);
  padding: 10px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.feature-list li:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow);
}

.feature-list i {
  color: var(--c-primary);
  font-size: 15px;
  margin-top: 5px;
  flex-shrink: 0;
}

/* Feature Alt */
.feature-alt {
  background: var(--c-primary-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.feature-item {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--c-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.feature-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.feature-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}

.feature-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 14px;
  color: var(--c-text-secondary);
  line-height: 1.6;
}

/* Numbered Block */
.numbered-block {
  background: var(--c-bg);
}

.numbered-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.numbered-card {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.numbered-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--c-gold);
  opacity: .6;
}

.numbered-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.number {
  display: block;
  font-size: 42px;
  font-weight: 800;
  color: var(--c-gold);
  line-height: 1;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}

.numbered-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.numbered-card p {
  font-size: 15px;
  color: var(--c-text-secondary);
  line-height: 1.7;
}

/* FAQ Section */
.faq-section {
  background: var(--c-surface);
}

.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.faq-accordion .accordion-item:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow);
}

.faq-accordion .accordion-item.is-active {
  border-color: var(--c-primary);
}

.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  background: transparent;
  position: relative;
}

.faq-accordion .accordion-title::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--c-primary);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}

.faq-accordion .accordion-item.is-active .accordion-title::after {
  transform: rotate(180deg);
  color: var(--c-accent);
}

.faq-accordion .accordion-title:focus {
  outline: 2px solid var(--c-primary);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.faq-accordion .accordion-content {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-secondary);
  border-top: 1px solid var(--c-border);
  padding-top: 16px;
}

/* CTA Section */
.cta-section {
  background: var(--c-primary-dark);
  padding: 88px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,107,58,.22), transparent 65%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 34px;
  font-weight: 800;
  color: #F7F2EA;
  margin-bottom: 28px;
  line-height: 1.35;
}

.cta-section .btn-lg {
  width: 220px;
}

.cta-note {
  margin-top: 18px;
  font-size: 14px;
  color: rgba(247,242,234,.65);
}

.cta-deco {
  position: absolute;
  bottom: -20px;
  right: 30px;
  font-size: 180px;
  opacity: .06;
  color: #F7F2EA;
  line-height: 1;
  pointer-events: none;
}

/* Footer */
.site-footer {
  background: var(--c-primary-dark);
  color: rgba(247,242,234,.82);
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(247,242,234,.12);
}

.footer-brand .logo {
  color: #F7F2EA;
  margin-bottom: 14px;
}

.footer-brand .logo:hover {
  color: #F7F2EA;
}

.footer-brand .logo-icon {
  background: rgba(247,242,234,.14);
  color: #F7F2EA;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247,242,234,.7);
  max-width: 320px;
}

.footer-col h4 {
  color: #F7F2EA;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: .02em;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(247,242,234,.7);
  transition: color var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(247,242,234,.7);
}

.footer-contact i {
  color: var(--c-gold);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(247,242,234,.55);
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .section-pad {
    padding: 56px 0;
  }

  .main-nav,
  .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .category-hero {
    padding: 68px 0 60px;
  }

  .category-hero h1 {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 15px;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .feature-img-wrap img {
    height: 260px;
  }

  .feature-content h2,
  .section-head h2 {
    font-size: 24px;
  }

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

  .numbered-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .numbered-card {
    padding: 26px 22px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .faq-accordion .accordion-title {
    padding: 17px 18px;
    font-size: 15px;
  }

  .faq-accordion .accordion-content {
    padding: 0 18px 18px;
    font-size: 14px;
  }
}

@media (max-width: 520px) {
  .logo span:not(.logo-icon) {
    font-size: 19px;
  }

  .container {
    padding: 0 16px;
  }
}

/* roulang page: article */
:root {
  --c-primary: #0B6E5B;
  --c-primary-dark: #084B3E;
  --c-primary-light: #E5F2EE;
  --c-accent: #F26B3A;
  --c-gold: #D8A03D;
  --c-bg: #FAF7F2;
  --c-surface: #FFFFFF;
  --c-text: #1F2A27;
  --c-text-secondary: #6B7A76;
  --c-border: #E6E2DA;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 8px 24px rgba(15, 45, 38, 0.08);
  --shadow-lg: 0 12px 30px rgba(15, 45, 38, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-text);
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  width: 100%;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--c-accent);
  color: #fff7f0;
}

.btn-primary:hover {
  background: #ff7d50;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242, 107, 58, 0.3);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--c-border);
  color: var(--c-text);
}

.btn-outline:hover {
  background: var(--c-primary-light);
  border-color: var(--c-primary);
  color: var(--c-primary);
  transform: translateY(-2px);
}

.btn-sm {
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(230, 226, 218, 0.7);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(15, 45, 38, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--c-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  transition: transform 0.25s ease;
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.05);
}

.logo span:last-child {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.02em;
  transition: color 0.25s ease;
}

.logo:hover span:last-child {
  color: var(--c-primary);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-secondary);
  transition: all 0.25s ease;
}

.main-nav a:hover {
  color: var(--c-primary);
  background: var(--c-primary-light);
}

.main-nav a.active {
  background: var(--c-primary);
  color: #fff;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: var(--c-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all 0.25s ease;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease;
}

.nav-toggle:hover {
  background: #d3ebe4;
}

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(31, 42, 39, 0.5);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-drawer-panel {
  position: absolute;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: #fff;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
  transition: right 0.35s ease;
  overflow-y: auto;
}

.mobile-drawer.open {
  pointer-events: auto;
}

.mobile-drawer.open .mobile-drawer-backdrop {
  opacity: 1;
}

.mobile-drawer.open .mobile-drawer-panel {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-border);
}

.drawer-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-bg);
  color: var(--c-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.25s ease;
}

.drawer-close:hover {
  background: var(--c-primary-light);
  color: var(--c-primary);
}

.drawer-nav ul {
  display: flex;
  flex-direction: column;
}

.drawer-nav a {
  display: block;
  height: 52px;
  line-height: 52px;
  font-size: 16px;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
  transition: all 0.2s ease;
}

.drawer-nav a:hover {
  color: var(--c-primary);
  padding-left: 8px;
}

.drawer-nav a.active {
  color: var(--c-primary);
  font-weight: 600;
}

.drawer-actions {
  margin-top: auto;
  padding-top: 24px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 28px 0 20px;
  font-size: 14px;
  color: var(--c-text-secondary);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--c-text-secondary);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--c-primary);
}

.breadcrumb .sep {
  color: #c8c4bc;
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--c-text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
}

/* ===== 文章主体 ===== */
.article-main {
  padding: 0 0 24px;
}

.article-wrapper {
  max-width: 880px;
  margin: 0 auto;
}

.article-card {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 40px;
  margin-bottom: 40px;
  border: 1px solid rgba(230, 226, 218, 0.5);
}

/* 文章头部 */
.article-header {
  text-align: center;
  margin-bottom: 40px;
}

.article-category {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.article-header h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-text);
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--c-text-secondary);
}

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

.meta-item i {
  font-size: 14px;
  color: var(--c-gold);
}

/* 正文 */
.article-content {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  max-width: 780px;
  margin: 0 auto;
}

.article-content p {
  margin-bottom: 1.4em;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--c-primary);
  line-height: 1.35;
}

.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--c-text);
  margin: 28px 0 12px;
  line-height: 1.4;
}

.article-content ul {
  margin-bottom: 1.4em;
  padding-left: 0;
}

.article-content ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
}

.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-primary);
}

.article-content ol {
  counter-reset: article-ol;
  margin-bottom: 1.4em;
  padding-left: 0;
}

.article-content ol li {
  counter-increment: article-ol;
  position: relative;
  padding-left: 32px;
  margin-bottom: 10px;
}

.article-content ol li::before {
  content: counter(article-ol);
  position: absolute;
  left: 0;
  top: 4px;
  width: 22px;
  height: 22px;
  background: var(--c-primary-light);
  color: var(--c-primary);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-content blockquote {
  margin: 24px 0;
  padding: 18px 22px;
  background: var(--c-primary-light);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius-sm);
  color: var(--c-text);
}

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

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: 24px auto;
}

.article-content a {
  color: var(--c-primary);
  text-decoration: underline;
  text-decoration-color: rgba(11, 110, 91, 0.3);
  text-underline-offset: 4px;
}

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

.article-content figure {
  margin: 24px 0;
  text-align: center;
}

.article-content figcaption {
  font-size: 13px;
  color: var(--c-text-secondary);
  margin-top: 8px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--c-border);
  padding: 10px 14px;
  text-align: left;
}

.article-content th {
  background: var(--c-primary-light);
  font-weight: 600;
}

/* 空状态 */
.article-empty {
  text-align: center;
  padding: 70px 20px;
}

.article-empty .empty-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--c-primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--c-primary);
  margin-bottom: 28px;
}

.article-empty h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--c-text-secondary);
  margin-bottom: 32px;
}

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

/* 标签区 */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 40px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--c-text-secondary);
  transition: all 0.25s ease;
}

.tag:hover {
  background: var(--c-primary-light);
  border-color: var(--c-primary);
  color: var(--c-primary);
}

/* ===== 相关推荐 ===== */
.related-posts {
  margin-top: 48px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--c-text);
}

.section-more {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}

.section-more:hover {
  color: var(--c-accent);
  gap: 10px;
}

.related-grid {
  margin-top: 0;
}

.related-card-cell {
  margin-bottom: 24px;
}

.related-card {
  display: block;
  background: var(--c-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  height: 100%;
  border: 1px solid rgba(230, 226, 218, 0.6);
}

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

.related-cover {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--c-primary-light);
}

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

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

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  height: 26px;
  padding: 0 12px;
  background: var(--c-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 2;
}

.card-badge.gold {
  background: var(--c-gold);
}

.card-badge.green {
  background: var(--c-primary);
}

.related-info {
  padding: 20px;
}

.related-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-primary);
  background: var(--c-primary-light);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.related-info h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-desc {
  font-size: 14px;
  color: var(--c-text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-meta {
  font-size: 13px;
  color: var(--c-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== 返回入口 ===== */
.article-back {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--c-primary-dark);
  color: #F7F2EA;
  padding: 56px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: rgba(255, 255, 255, 0.15);
}

.footer-brand .logo span:last-child {
  color: #F7F2EA;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 242, 234, 0.7);
  max-width: 340px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #F7F2EA;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(247, 242, 234, 0.7);
  transition: color 0.25s ease;
}

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

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(247, 242, 234, 0.7);
}

.footer-contact i {
  color: var(--c-gold);
  width: 20px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: rgba(247, 242, 234, 0.6);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }

  .icon-btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .article-card {
    padding: 36px 32px;
  }

  .article-header h1 {
    font-size: 32px;
  }

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

@media (max-width: 767px) {
  .header-inner {
    height: 64px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .logo span:last-child {
    font-size: 19px;
  }

  .article-main {
    padding: 0;
  }

  .breadcrumb {
    padding: 20px 0 16px;
    font-size: 13px;
  }

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

  .article-card {
    padding: 28px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 28px;
  }

  .article-header {
    margin-bottom: 32px;
  }

  .article-header h1 {
    font-size: 27px;
    line-height: 1.35;
  }

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

  .meta-item:nth-child(4) {
    display: none;
  }

  .article-content {
    font-size: 15px;
    line-height: 1.9;
  }

  .article-content h2 {
    font-size: 22px;
    margin: 32px 0 14px;
  }

  .article-content h3 {
    font-size: 19px;
  }

  .related-card-cell {
    margin-bottom: 16px;
  }

  .section-head {
    margin-bottom: 20px;
  }

  .section-title {
    font-size: 22px;
  }

  .section-more {
    font-size: 13px;
  }

  .article-back {
    margin-top: 32px;
  }

  .article-back .btn {
    flex: 1;
    min-width: 140px;
    max-width: 200px;
  }

  .site-footer {
    padding-top: 40px;
    margin-top: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 28px;
  }
}

@media (max-width: 520px) {
  .header-actions .btn-sm {
    display: none;
  }

  .related-cover {
    aspect-ratio: 4 / 4.5;
  }

  .article-header h1 {
    font-size: 24px;
  }

  .article-meta .meta-item:nth-child(3) {
    display: none;
  }

  .article-content blockquote {
    padding: 14px 16px;
  }

  .footer-contact {
    word-break: break-all;
  }
}