/* =============================================
   高清动漫 - 植物视频社区 主样式文件
   tl702568.cn
   ============================================= */

:root {
  --primary: #2d7a3a;
  --primary-dark: #1a5226;
  --primary-light: #4caf50;
  --accent: #ff6b35;
  --accent2: #ffd700;
  --bg-dark: #0d1f0f;
  --bg-card: #1a2e1c;
  --bg-light: #f4faf5;
  --text-main: #1a1a1a;
  --text-light: #f0f7f1;
  --text-muted: #6b8c6e;
  --border: #2e5c32;
  --shadow: 0 4px 24px rgba(0,0,0,0.18);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
  background: #f4faf5;
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- 干扰标签隐藏 ---- */
.dy-noise { display: none !important; visibility: hidden !important; }

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: var(--primary-dark);
  color: #c8e6c9;
  font-size: 0.82rem;
  padding: 6px 0;
  text-align: center;
  letter-spacing: 0.05em;
}
.top-bar a { color: var(--accent2); text-decoration: none; }

/* ---- 导航 ---- */
.site-header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(45,122,58,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 2px 8px rgba(45,122,58,0.3);
}
.logo-text { font-size: 1.5rem; font-weight: 900; color: var(--primary-dark); letter-spacing: 0.05em; }
.logo-sub { font-size: 0.72rem; color: var(--text-muted); display: block; }

.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav a {
  display: block;
  padding: 8px 16px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: #e8f5e9;
}
.main-nav .nav-hot::after {
  content: 'HOT';
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--accent);
  color: #fff;
  font-size: 0.55rem;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-join {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  padding: 8px 20px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(45,122,58,0.3);
}
.btn-join:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(45,122,58,0.4); }

/* ---- 搜索框 ---- */
.search-bar-wrap {
  background: #e8f5e9;
  padding: 12px 0;
  border-bottom: 1px solid #c8e6c9;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-form {
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--primary-light);
  border-radius: 24px;
  overflow: hidden;
  flex: 1;
  max-width: 600px;
  box-shadow: 0 2px 8px rgba(45,122,58,0.1);
}
.search-form input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 18px;
  font-size: 0.95rem;
  background: transparent;
  color: var(--text-main);
}
.search-form button {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: none;
  color: #fff;
  padding: 10px 22px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}
.search-form button:hover { background: var(--primary-dark); }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  background: #fff;
  border: 1px solid var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.search-tag:hover { background: var(--primary); color: #fff; }

/* ---- BANNER ---- */
.hero-banner {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/anime_banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  transition: transform 8s ease;
}
.hero-banner:hover .hero-bg { transform: scale(1.04); }
/* hero-bg-img：img标签作为背景图（百度可识别） */
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.55);
  transition: transform 8s ease;
  display: block;
  z-index: 0;
}
.hero-banner:hover .hero-bg-img { transform: scale(1.04); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,31,15,0.75) 0%, rgba(45,122,58,0.35) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 20px;
  color: #fff;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,107,53,0.9);
  color: #fff;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}
.hero-content h1 span { color: var(--accent2); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.88);
  max-width: 600px;
  margin-bottom: 30px;
  line-height: 1.8;
}
.hero-stats {
  display: flex;
  gap: 30px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2rem; font-weight: 900; color: var(--accent2); display: block; }
.hero-stat .label { font-size: 0.82rem; color: rgba(255,255,255,0.75); }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  padding: 14px 32px;
  border-radius: 28px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(76,175,80,0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(76,175,80,0.5); }
.btn-outline {
  background: rgba(255,255,255,0.12);
  color: #fff;
  padding: 14px 32px;
  border-radius: 28px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.5);
  transition: var(--transition);
  backdrop-filter: blur(4px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { background: rgba(255,255,255,0.25); border-color: #fff; }

/* ---- 通用区块 ---- */
.section { padding: 64px 0; }
.section-alt { background: #f0f9f1; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  background: #e8f5e9;
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section-dark .section-tag { background: rgba(76,175,80,0.2); color: var(--primary-light); }
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.section-dark .section-header h2 { color: #fff; }
.section-header p { color: var(--text-muted); font-size: 1rem; max-width: 560px; margin: 0 auto; }
.section-dark .section-header p { color: rgba(255,255,255,0.65); }

/* ---- 视频卡片 ---- */
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: 0 12px 36px rgba(0,0,0,0.18); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-dark);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.0);
  transition: var(--transition);
  opacity: 0;
}
.video-card:hover .play-btn { opacity: 1; background: rgba(0,0,0,0.35); }
.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 22px;
  border-color: transparent transparent transparent var(--primary);
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--accent);
  color: #fff;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}
.video-info { padding: 14px 16px; }
.video-info h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 6px; line-height: 1.4; }
.video-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-muted); }
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ---- 专家卡片 ---- */
.expert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.expert-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid #e8f5e9;
}
.expert-card:hover { transform: translateY(-4px); border-color: var(--primary-light); }
.expert-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--primary-light);
  display: block;
}
.expert-card h3 { font-size: 1.1rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 4px; }
.expert-role { color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; }
.expert-desc { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }
.expert-awards { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.award-badge {
  background: #fff9e6;
  border: 1px solid var(--accent2);
  color: #8b6914;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}
.btn-sm-primary { background: var(--primary); color: #fff; }
.btn-sm-primary:hover { background: var(--primary-dark); }
.btn-sm-outline { border: 1px solid var(--primary); color: var(--primary); }
.btn-sm-outline:hover { background: var(--primary); color: #fff; }

/* ---- 合作品牌 ---- */
.brand-wall { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; align-items: center; }
.brand-logo {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
  min-width: 120px;
  text-align: center;
}
.brand-logo:hover { border-color: var(--primary-light); color: var(--primary); transform: translateY(-2px); }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid #e8f5e9;
  overflow: hidden;
}
.faq-q {
  padding: 18px 22px;
  font-weight: 700;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  font-size: 0.98rem;
}
.faq-q:hover { background: #f0f9f1; }
.faq-q .icon { font-size: 1.2rem; transition: transform 0.3s; color: var(--primary); }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* ---- 用户评价 ---- */
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-light);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-3px); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.review-name { font-weight: 700; color: var(--text-main); font-size: 0.95rem; }
.review-date { font-size: 0.78rem; color: var(--text-muted); }
.review-stars { color: var(--accent2); font-size: 0.9rem; margin-bottom: 8px; }
.review-text { font-size: 0.88rem; color: #444; line-height: 1.7; }

/* ---- AI赋能 ---- */
.ai-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.ai-card {
  background: linear-gradient(135deg, #1a2e1c, #0d1f0f);
  border: 1px solid #2e5c32;
  border-radius: var(--radius);
  padding: 28px;
  color: var(--text-light);
  transition: var(--transition);
}
.ai-card:hover { border-color: var(--primary-light); transform: translateY(-4px); }
.ai-icon { font-size: 2.5rem; margin-bottom: 14px; }
.ai-card h3 { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.ai-card p { font-size: 0.88rem; color: rgba(255,255,255,0.65); line-height: 1.7; }
.ai-tag { display: inline-block; background: rgba(76,175,80,0.2); color: var(--primary-light); padding: 3px 10px; border-radius: 10px; font-size: 0.75rem; margin-top: 12px; }

/* ---- 社区功能 ---- */
.community-tabs { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.tab-btn {
  padding: 8px 20px;
  border-radius: 20px;
  border: 2px solid var(--primary-light);
  background: transparent;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 联系我们 ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info h3 { font-size: 1.3rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 16px; }
.contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.85rem; color: var(--text-muted); }
.contact-item span { font-size: 0.95rem; color: var(--text-main); font-weight: 500; }
.qr-group { display: flex; gap: 20px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-code {
  width: 110px;
  height: 110px;
  background: #fff;
  border: 2px solid var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  overflow: hidden;
}
.qr-code canvas { display: block; }
.qr-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }

/* ---- 社交分享 ---- */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 0;
}
.share-label { font-size: 0.9rem; color: var(--text-muted); font-weight: 600; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.share-wechat { background: #07c160; color: #fff; }
.share-weibo { background: #e6162d; color: #fff; }
.share-douyin { background: #010101; color: #fff; }
.share-bilibili { background: #00a1d6; color: #fff; }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); }

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }

/* ---- 底部 ---- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text { color: #fff; font-size: 1.4rem; }
.footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin: 12px 0 20px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.88rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.55); text-decoration: none; }
.footer-bottom a:hover { color: var(--primary-light); }
.update-time { color: rgba(255,255,255,0.45); font-size: 0.8rem; }

/* ---- 汉堡菜单 ---- */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .hero-banner { min-height: 420px; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-stats { gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 40px 0; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; justify-content: center; }
}

/* ---- 懒加载占位 ---- */
img[data-src] { background: #e8f5e9; min-height: 80px; }

/* ---- 滚动动画 ---- */
.fade-in { opacity: 1; transform: translateY(0); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.animate { opacity: 0; transform: translateY(24px); }
.fade-in.animate.visible { opacity: 1; transform: translateY(0); }

/* ---- 标签云 ---- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  background: #e8f5e9;
  color: var(--primary);
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid #c8e6c9;
}
.tag-item:hover { background: var(--primary); color: #fff; }

/* ---- 统计数字 ---- */
.stats-bar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 32px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 900; color: var(--accent2); display: block; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.8); margin-top: 4px; }

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 视频播放模态框 ---- */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.video-modal.open { display: flex; }
.modal-inner {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 800px;
  width: 95%;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  z-index: 10;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.3); }
.modal-video { width: 100%; aspect-ratio: 16/9; background: #111; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; }

/* ---- 特色内页卡片 ---- */
.special-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.special-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3/4;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.special-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.special-card:hover img { transform: scale(1.08); }
.special-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  color: #fff;
}
.special-card-overlay h3 { font-size: 1rem; font-weight: 800; margin-bottom: 4px; }
.special-card-overlay p { font-size: 0.78rem; opacity: 0.8; }