/* =============================================
   人兽 - 主样式文件
   官网: bdsozj.cn
   ============================================= */

/* ---- 1. CSS变量与重置 ---- */
:root {
  --color-primary: #7c3aed;
  --color-primary-light: #a855f7;
  --color-secondary: #06b6d4;
  --color-accent: #f59e0b;
  --color-bg-dark: #0a0a1a;
  --color-bg-card: #12122a;
  --color-bg-nav: rgba(10,10,26,0.96);
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: rgba(124,58,237,0.25);
  --color-gradient: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --color-gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(124,58,237,0.15);
  --shadow-hover: 0 8px 40px rgba(124,58,237,0.35);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  font-family: var(--font-main);
  background: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- 2. 顶部公告条 ---- */
.top-bar {
  background: var(--color-gradient);
  color: #fff;
  text-align: center;
  padding: 7px 16px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.top-bar a { color: #fff; font-weight: 600; text-decoration: underline; }

/* ---- 3. 导航栏 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-nav);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 68px;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}
.site-logo .logo-text {
  font-size: 20px;
  font-weight: 800;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.main-nav { flex: 1; }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 14px;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(124,58,237,0.2);
}

/* 搜索框 */
.nav-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  flex-shrink: 0;
}
.nav-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 13px;
  width: 160px;
}
.nav-search input::placeholder { color: var(--color-text-muted); }
.nav-search button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0;
  display: flex;
  align-items: center;
}
.nav-search button:hover { color: var(--color-primary-light); }

.nav-btn {
  background: var(--color-gradient);
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 24px !important;
  font-weight: 600 !important;
  flex-shrink: 0;
}
.nav-btn:hover { opacity: 0.9; transform: translateY(-1px); }

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

/* ---- 4. Hero Banner ---- */
.hero-banner {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-banner .hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center top;
  filter: brightness(0.55);
  z-index: 0;
}
.hero-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,10,26,0.85) 40%, rgba(10,10,26,0.2) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 20px;
  width: 100%;
}
.i4vm9s {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124,58,237,0.25);
  border: 1px solid rgba(124,58,237,0.5);
  color: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: 24px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}
.hero-title .8nkx6 {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.7c8tcpzt {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--color-gradient);
  color: #fff;
  padding: 13px 32px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(124,58,237,0.5); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { border-color: var(--color-primary-light); color: var(--color-primary-light); transform: translateY(-2px); }

.wren9 {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.4fgmah0 .num {
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.4fgmah0 .num span { color: var(--color-primary-light); }
.4fgmah0 .label { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* ---- 5. 通用区块 ---- */
.section { padding: 72px 20px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 48px; }
.20dg2 {
  display: inline-block;
  background: rgba(124,58,237,0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(124,58,237,0.35);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-title .sd6yd { color: var(--color-primary-light); }
.vzksu { color: var(--color-text-muted); font-size: 15px; max-width: 560px; margin: 0 auto; }

/* ---- 6. 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(124,58,237,0.5);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #1a1a2e;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .play-overlay { opacity: 1; }
.play-btn {
  width: 56px;
  height: 56px;
  background: rgba(124,58,237,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transform: scale(0.85);
  transition: transform var(--transition);
}
.video-card:hover .play-btn { transform: scale(1); }
.play-btn svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-gradient);
  color: #fff;
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.video-info { padding: 14px 16px; }
.video-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.video-meta .author { display: flex; align-items: center; gap: 5px; }
.video-meta .author img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
}
.video-stats {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* ---- 7. 功能模块卡片 ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: rgba(124,58,237,0.5);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(124,58,237,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
}
.feature-card h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; }

/* ---- 8. 专家展示 ---- */
.f36t0l8 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.expert-card:hover { border-color: rgba(124,58,237,0.5); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.9imob {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: var(--color-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  border: 3px solid rgba(124,58,237,0.4);
}
.qlnsm { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.irm8f { font-size: 12px; color: var(--color-primary-light); margin-bottom: 10px; font-weight: 600; }
.k5uxa { font-size: 12px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 14px; }
.t8xyf0sjs { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.t8xyf0sj {
  background: rgba(124,58,237,0.12);
  color: var(--color-primary-light);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid rgba(124,58,237,0.25);
}
.g54tnm8 { display: flex; gap: 8px; justify-content: center; }
.expert-btn {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.expert-btn.primary { background: var(--color-gradient); color: #fff; }
.expert-btn.outline { background: transparent; border: 1px solid var(--color-border); color: var(--color-text-muted); }
.expert-btn:hover { opacity: 0.85; transform: translateY(-1px); }

/* ---- 9. 合作品牌 ---- */
.bla1ur {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.dhosl5 {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition);
  min-width: 120px;
  text-align: center;
}
.dhosl5:hover { border-color: var(--color-primary-light); color: var(--color-primary-light); }

/* ---- 10. FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  user-select: none;
  transition: background var(--transition);
}
.faq-q:hover { background: rgba(124,58,237,0.08); }
.faq-q .faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(124,58,237,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
  color: var(--color-primary-light);
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 24px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 18px; }

/* ---- 11. 用户评价 ---- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}
.review-card:hover { border-color: rgba(124,58,237,0.4); transform: translateY(-2px); }
.adbttq2q { color: #f59e0b; font-size: 14px; margin-bottom: 10px; letter-spacing: 2px; }
.97wv1hmp { font-size: 14px; color: var(--color-text-muted); line-height: 1.8; margin-bottom: 16px; }
.icyik { display: flex; align-items: center; gap: 10px; }
.ix5vbm {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.x02bed { font-size: 13px; font-weight: 600; color: #fff; }
.edx000vs { font-size: 11px; color: var(--color-text-muted); }

/* ---- 12. 联系我们 ---- */
.8lk2i3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
}
.rtyc6 { font-size: 36px; margin-bottom: 12px; }
.contact-card h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.contact-card p { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; }
.contact-card a { color: var(--color-secondary); }

/* ---- 13. 分享按钮 ---- */
.share-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  color: #fff;
}
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; }
.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #010101; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; }

/* ---- 14. 页脚 ---- */
.site-footer {
  background: #06061a;
  border-top: 1px solid var(--color-border);
  padding: 56px 20px 24px;
}
.j9aclx69 { max-width: 1280px; margin: 0 auto; }
.2zl5l4e {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.b0otdqvl .logo-text {
  font-size: 22px;
  font-weight: 800;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.b0otdqvl p { font-size: 13px; color: var(--color-text-muted); line-height: 1.8; max-width: 280px; }
.nklkf5 h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.nklkf5 ul { display: flex; flex-direction: column; gap: 8px; }
.nklkf5 a { font-size: 13px; color: var(--color-text-muted); transition: color var(--transition); }
.nklkf5 a:hover { color: var(--color-primary-light); }
.pzhoee1 { display: flex; gap: 20px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-box {
  width: 80px;
  height: 80px;
  background: #fff;
  border-radius: 8px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.qr-box img { width: 100%; height: 100%; object-fit: cover; }
.qr-label { font-size: 11px; color: var(--color-text-muted); }
.nvlm53w { border: none; border-top: 1px solid var(--color-border); margin: 24px 0; }
.o6ysv {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.o6ysv a { color: var(--color-text-muted); }
.o6ysv a:hover { color: var(--color-primary-light); }
.j8zvlws1 { display: flex; gap: 16px; }

/* ---- 15. 面包屑 ---- */
.breadcrumb {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 20px;
}
.7o2ze3n {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.7o2ze3n a { color: var(--color-text-muted); }
.7o2ze3n a:hover { color: var(--color-primary-light); }
.7o2ze3n .8fpuke { color: rgba(255,255,255,0.2); }
.7o2ze3n .b0gzall { color: var(--color-text); }

/* ---- 16. 内页 Banner ---- */
.page-banner {
  position: relative;
  padding: 64px 20px;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-gradient);
  opacity: 0.07;
}
.1s5vutca { max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; }
.page-banner h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 900; color: #fff; margin-bottom: 10px; }
.page-banner p { font-size: 15px; color: var(--color-text-muted); max-width: 560px; }

/* ---- 17. 标签页 ---- */
.tab-bar {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { color: var(--color-primary-light); border-bottom-color: var(--color-primary-light); }

/* ---- 18. 搜索框（导航下方） ---- */
.search-bar-section {
  background: rgba(124,58,237,0.06);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 20px;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-bar-main {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  padding: 10px 20px;
  gap: 10px;
  max-width: 640px;
}
.search-bar-main input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 14px;
}
.search-bar-main input::placeholder { color: var(--color-text-muted); }
.search-bar-main button {
  background: var(--color-gradient);
  border: none;
  color: #fff;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition);
}
.search-bar-main button:hover { opacity: 0.85; }
.search-hot { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--color-text-muted); flex-wrap: wrap; }
.search-hot span { color: var(--color-text-muted); }
.search-hot a {
  color: var(--color-text-muted);
  padding: 3px 10px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  transition: all var(--transition);
}
.search-hot a:hover { color: var(--color-primary-light); background: rgba(124,58,237,0.12); }

/* ---- 19. AI功能区 ---- */
.ai-section { background: linear-gradient(135deg, rgba(124,58,237,0.08) 0%, rgba(6,182,212,0.08) 100%); }
.v1rov {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.ai-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.ai-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-gradient);
}
.ai-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.yx898d { font-size: 40px; margin-bottom: 16px; }
.ai-card h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.ai-card p { font-size: 13px; color: var(--color-text-muted); line-height: 1.8; }
.ydfws {
  display: inline-block;
  background: var(--color-gradient);
  color: #fff;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 700;
  margin-top: 12px;
  letter-spacing: 0.5px;
}

/* ---- 20. 社区模块 ---- */
.community-tabs { margin-bottom: 32px; }
.jy9v5h4v {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.community-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}
.community-card:hover { border-color: rgba(124,58,237,0.5); transform: translateY(-3px); }
.med8pszd { font-size: 42px; margin-bottom: 10px; }
.community-card h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.community-card p { font-size: 12px; color: var(--color-text-muted); }
.4dmx3uc { font-size: 11px; color: var(--color-primary-light); margin-top: 8px; font-weight: 600; }

/* ---- 21. 滚动动画 ---- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---- 22. 响应式 ---- */
@media (max-width: 1024px) {
  .2zl5l4e { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav, .nav-btn { display: none; }
  .menu-toggle { display: flex; }
  .nav-search { display: none; }
  .hero-banner { min-height: 420px; }
  .wren9 { gap: 24px; }
  .2zl5l4e { grid-template-columns: 1fr; gap: 28px; }
  .o6ysv { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .f36t0l8 { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 16px; }

  /* 移动端导航展开 */
  .mobile-nav-open .main-nav {
    display: block;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-bg-nav);
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    z-index: 999;
  }
  .mobile-nav-open .main-nav ul { flex-direction: column; gap: 4px; }
  .mobile-nav-open .main-nav a { padding: 12px 16px; }
}

@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  .f36t0l8 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .v1rov { grid-template-columns: 1fr; }
  .jy9v5h4v { grid-template-columns: 1fr 1fr; }
}

/* ---- 23. 懒加载占位 ---- */
img[data-src] { background: linear-gradient(90deg, #12122a 25%, #1a1a35 50%, #12122a 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* ---- 24. 滚动条美化 ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(124,58,237,0.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(124,58,237,0.7); }

/* ---- 25. 选中效果 ---- */
::selection { background: rgba(124,58,237,0.35); color: #fff; }