/* =====================================================
   同人动漫 - 主样式文件 | hqmkzlvs.cn
   原创植物主题配色方案 - 爱情岛风格
   ===================================================== */
:root {
  --primary: #6A1B9A;
  --primary-light: #6A1B9A33;
  --primary-dark: #38006B;
  --secondary: #27ae60;
  --accent: #f39c12;
  --accent2: #16a085;
  --bg-page: #f0faf4;
  --bg-section: #e8f5ee;
  --bg-dark: #0d2b1a;
  --bg-card: #ffffff;
  --text-dark: #1a2e22;
  --text-medium: #3d5a47;
  --text-light: #7a9e87;
  --border: #b8dfc8;
  --gradient-main: linear-gradient(135deg, #1a7a3c 0%, #27ae60 50%, #2ecc71 100%);
  --gradient-hero: linear-gradient(160deg, #0d2b1a 0%, #1a5c30 40%, #1a7a3c 100%);
  --gradient-card: linear-gradient(180deg, rgba(26,122,60,0.06) 0%, rgba(46,204,113,0.02) 100%);
  --shadow-sm: 0 2px 10px rgba(26,122,60,0.10);
  --shadow-md: 0 4px 24px rgba(26,122,60,0.16);
  --shadow-lg: 0 8px 48px rgba(26,122,60,0.22);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 36px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--bg-page);
  color: var(--text-dark);
  line-height: 1.75;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; background: none; }
input, textarea { outline: none; border: none; }

/* ===== 公告栏 ===== */
.top-notice {
  background: var(--gradient-main);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.top-notice a { color: #fff; text-decoration: underline; }

/* ===== 导航栏 ===== */
.navbar {
  background: #fff;
  box-shadow: 0 2px 16px rgba(26,122,60,0.10);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--border);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 66px;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo img { height: 42px; width: auto; }
.nav-logo-text {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-menu a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-medium);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-menu a:hover, .nav-menu a.active {
  background: var(--bg-section);
  color: var(--primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-login {
  padding: 8px 18px;
  border-radius: var(--radius-xl);
  font-size: 13px;
  font-weight: 600;
  border: 2px solid var(--primary);
  color: var(--primary);
  transition: var(--transition);
}
.btn-login:hover { background: var(--primary); color: #fff; }
.btn-register {
  padding: 8px 18px;
  border-radius: var(--radius-xl);
  font-size: 13px;
  font-weight: 700;
  background: var(--gradient-main);
  color: #fff;
  transition: var(--transition);
}
.btn-register:hover { opacity: 0.88; transform: translateY(-1px); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-form {
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  flex: 1;
  max-width: 600px;
  transition: var(--transition);
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,122,60,0.12);
}
.search-form input {
  flex: 1;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--text-dark);
  background: transparent;
}
.search-form input::placeholder { color: var(--text-light); }
.search-btn {
  padding: 10px 22px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  transition: var(--transition);
}
.search-btn:hover { opacity: 0.9; }
.search-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.search-tag {
  padding: 4px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  font-size: 12px;
  color: var(--text-medium);
  cursor: pointer;
  transition: var(--transition);
}
.search-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 移动端菜单 ===== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
}
.mobile-menu.open { display: block; }
.mobile-menu-inner {
  position: absolute;
  top: 0; right: 0;
  width: 280px; height: 100%;
  background: #fff;
  padding: 20px;
  overflow-y: auto;
}
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.mobile-close {
  font-size: 24px;
  color: var(--text-medium);
  cursor: pointer;
}
.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-links a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-medium);
  transition: var(--transition);
}
.mobile-nav-links a:hover { background: var(--bg-section); color: var(--primary); }

/* ===== 容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 通用Section ===== */
.section { padding: 72px 0; }
.section-alt { padding: 72px 0; background: var(--bg-section); }
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}
.section-header-left { flex: 1; }
.section-label {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(26,122,60,0.1);
  color: var(--primary);
  border-radius: var(--radius-xl);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(22px,3vw,32px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
}
.section-desc {
  font-size: 15px;
  color: var(--text-medium);
  margin-top: 8px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-xl);
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 7px 18px; font-size: 13px; }
.btn-sm-primary { background: var(--gradient-main); color: #fff; }
.btn-sm-outline { border: 1.5px solid var(--primary); color: var(--primary); }

/* ===== Hero区域 ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,43,26,0.88) 0%, rgba(26,122,60,0.65) 60%, rgba(46,204,113,0.30) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text { color: #fff; }
.hero-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(46,204,113,0.25);
  border: 1px solid rgba(46,204,113,0.5);
  border-radius: var(--radius-xl);
  font-size: 12px;
  font-weight: 700;
  color: #7fffb2;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(28px,4vw,52px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
}
.hero-title span { color: var(--primary-light); }
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 30px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 26px;
  font-weight: 900;
  color: var(--primary-light);
}
.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 2px;
}
.hero-right { position: relative; }
.hero-video-preview {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  cursor: pointer;
}
.hero-video-preview img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.hero-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  transition: var(--transition);
}
.hero-play-btn:hover { background: rgba(0,0,0,0.5); }
.play-icon {
  width: 64px; height: 64px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  transition: var(--transition);
}
.hero-play-btn:hover .play-icon { transform: scale(1.1); }

/* ===== 分类网格 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px,1fr));
  gap: 16px;
}
.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.category-icon {
  font-size: 32px;
  margin-bottom: 10px;
}
.category-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dark);
}
.category-count {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 22px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--bg-dark);
}
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.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;
}
.video-quality {
  position: absolute;
  top: 8px; left: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--transition);
}
.video-card:hover .video-play-overlay { background: rgba(0,0,0,0.35); }
.video-play-icon {
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  opacity: 0;
  transform: scale(0.7);
  transition: var(--transition);
}
.video-card:hover .video-play-icon {
  opacity: 1;
  transform: scale(1);
}
.video-info { padding: 14px 16px; }
.video-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 8px;
  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(--text-light);
  margin-bottom: 8px;
}
.video-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.video-tag {
  padding: 2px 8px;
  background: rgba(26,122,60,0.08);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.video-author {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.author-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.author-name { font-size: 12px; color: var(--text-medium); font-weight: 600; }

/* ===== 筛选Tab ===== */
.filter-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter-tab {
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--border);
  color: var(--text-medium);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
}
.filter-tab.active, .filter-tab:hover {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}

/* ===== 植物传媒专区 ===== */
.plant-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 22px;
}
.plant-media-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.plant-media-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plant-main {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.plant-main img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.plant-media-card:hover .plant-main img { transform: scale(1.07); }
.plant-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,43,26,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}
.plant-cat-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
}
.plant-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 50px; height: 50px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  opacity: 0;
  transition: var(--transition);
}
.plant-media-card:hover .plant-play { opacity: 1; }
.plant-info {
  color: #fff;
}
.plant-info h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.plant-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.plant-tags span {
  font-size: 11px;
  background: rgba(255,255,255,0.2);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ===== 娱乐专区 ===== */
.ent-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}
.ent-tab {
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-medium);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--transition);
}
.ent-tab.active, .ent-tab:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.ent-panel { display: none; }
.ent-panel.active { display: block; }

/* TikTok竖版卡片 */
.tiktok-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px,1fr));
  gap: 16px;
}
.tiktok-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-dark);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}
.tiktok-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.tiktok-thumb {
  aspect-ratio: 9/16;
  overflow: hidden;
  position: relative;
}
.tiktok-thumb img { width: 100%; height: 100%; object-fit: cover; }
.tiktok-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--transition);
}
.tiktok-card:hover .tiktok-play { background: rgba(0,0,0,0.4); }
.tiktok-play span {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary);
  opacity: 0;
  transition: var(--transition);
}
.tiktok-card:hover .tiktok-play span { opacity: 1; }
.tiktok-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px 10px;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
  color: #fff;
}
.tiktok-title { font-size: 12px; font-weight: 600; line-height: 1.4; }
.tiktok-views { font-size: 11px; color: rgba(255,255,255,0.7); margin-top: 3px; }
.tiktok-duration {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
}

/* 爱好保护卡片 */
.hobby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 20px;
}
.hobby-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.hobby-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.hobby-thumb { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.hobby-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.hobby-card:hover .hobby-thumb img { transform: scale(1.06); }
.hobby-play-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0); transition: var(--transition);
}
.hobby-card:hover .hobby-play-overlay { background: rgba(0,0,0,0.35); }
.hobby-play-icon {
  width: 46px; height: 46px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--primary);
  opacity: 0; transform: scale(0.7); transition: var(--transition);
}
.hobby-card:hover .hobby-play-icon { opacity: 1; transform: scale(1); }
.hobby-info { padding: 14px; }
.hobby-title { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.hobby-meta { font-size: 12px; color: var(--text-light); }

/* ===== AI赋能区 ===== */
.ai-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 22px;
}
.ai-feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-main);
}
.ai-feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ai-icon { font-size: 40px; margin-bottom: 14px; }
.ai-title { font-size: 17px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.ai-desc { font-size: 14px; color: var(--text-medium); line-height: 1.7; margin-bottom: 14px; }
.ai-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(26,122,60,0.1);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  margin-right: 6px;
  margin-bottom: 4px;
}

/* ===== 社区功能 ===== */
.comm-feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
  gap: 18px;
}
.comm-feat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.comm-feat-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.comm-feat-card.highlight {
  background: var(--gradient-main);
  border-color: transparent;
  color: #fff;
}
.comm-feat-icon { font-size: 36px; margin-bottom: 12px; }
.comm-feat-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.comm-feat-card p { font-size: 13px; color: var(--text-medium); line-height: 1.6; }
.comm-feat-card.highlight p { color: rgba(255,255,255,0.85); }
.comm-feat-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: underline;
}
.comm-feat-card.highlight .comm-feat-link { color: #fff; }

/* ===== 直播区 ===== */
.live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: 18px;
}
.live-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.live-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.live-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.live-thumb img { width: 100%; height: 100%; object-fit: cover; }
.live-badge {
  position: absolute;
  top: 8px; left: 8px;
  background: #e74c3c;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.live-viewers {
  position: absolute;
  bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.live-info { padding: 12px 14px; }
.live-name { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.live-category { font-size: 12px; color: var(--text-light); }

/* ===== 专家展示 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 22px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  text-align: center;
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.expert-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  overflow: hidden;
  border: 3px solid var(--primary-light);
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  font-weight: 900;
}
.expert-name { font-size: 17px; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; }
.expert-title { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: 13px; color: var(--text-medium); line-height: 1.7; margin-bottom: 14px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.expert-award {
  padding: 3px 10px;
  background: rgba(243,156,18,0.12);
  color: var(--accent);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }

/* ===== 评价区 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 22px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-sm); }
.review-stars { color: var(--accent); font-size: 16px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text-medium); line-height: 1.8; margin-bottom: 14px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-size: 13px; font-weight: 700; color: var(--text-dark); }
.review-date { font-size: 11px; color: var(--text-light); }
.review-badge {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(26,122,60,0.1);
  color: var(--primary);
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  margin-left: 8px;
}

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  gap: 12px;
}
.faq-question span { transition: transform 0.3s; font-size: 18px; color: var(--primary); }
.faq-item.open .faq-question span { transform: rotate(45deg); }
.faq-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }

/* ===== 合作伙伴 ===== */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.partner-item {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-medium);
  transition: var(--transition);
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 指南步骤 ===== */
.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: 20px;
}
.guide-step {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  border: 1.5px solid var(--border);
  position: relative;
  transition: var(--transition);
}
.guide-step:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.step-num {
  width: 40px; height: 40px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
}
.step-title { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.step-desc { font-size: 13px; color: var(--text-medium); line-height: 1.7; }

/* ===== 联系区 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 20px;
}
.contact-info-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.contact-item:last-child { margin-bottom: 0; }
.contact-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: 12px; color: var(--text-light); margin-bottom: 2px; }
.contact-value { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.qr-grid { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; margin-top: 28px; }
.qr-item { text-align: center; }
.qr-item img { width: 120px; height: 120px; border-radius: var(--radius-sm); border: 2px solid var(--border); }
.qr-label { font-size: 13px; font-weight: 700; color: var(--text-dark); margin-top: 8px; }
.qr-sub { font-size: 11px; color: var(--text-light); margin-top: 3px; }

/* ===== 分享栏 ===== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--border);
}
.share-btn {
  padding: 8px 18px;
  border-radius: var(--radius-xl);
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.share-wechat:hover { background: #07c160; color: #fff; border-color: #07c160; }
.share-weibo:hover { background: #e6162d; color: #fff; border-color: #e6162d; }
.share-douyin:hover { background: #000; color: #fff; border-color: #000; }
.share-bilibili:hover { background: #00a1d6; color: #fff; border-color: #00a1d6; }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--text-light); }

/* ===== 页面Banner ===== */
.page-banner {
  background: var(--gradient-hero);
  padding: 60px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/about-banner.jpg') center/cover no-repeat;
  opacity: 0.2;
}
.page-banner-content { position: relative; z-index: 1; }
.page-banner h1 { font-size: clamp(24px,4vw,42px); font-weight: 900; margin-bottom: 12px; }
.page-banner p { font-size: 16px; color: rgba(255,255,255,0.85); }

/* ===== 播放器内页 ===== */
.player-wrap {
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: 22px;
}
.player-wrap iframe { width: 100%; height: 100%; border: none; }
.player-info { margin-bottom: 20px; }
.player-title { font-size: 20px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.player-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-light); flex-wrap: wrap; }
.player-desc { font-size: 14px; color: var(--text-medium); line-height: 1.8; margin-top: 14px; }
.player-sidebar { }
.player-sidebar-title { font-size: 16px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.related-video {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.related-video:hover { opacity: 0.85; }
.related-thumb {
  width: 100px;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-info { flex: 1; }
.related-title { font-size: 13px; font-weight: 700; color: var(--text-dark); line-height: 1.4; margin-bottom: 4px; }
.related-views { font-size: 11px; color: var(--text-light); }

/* ===== 页脚 ===== */
footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { }
.footer-brand-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--primary-light);
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 18px;
}
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.social-btn:hover { background: var(--primary); color: #fff; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copyright { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-update { font-size: 12px; color: rgba(255,255,255,0.35); }
.footer-qr-row {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-qr-item { text-align: center; }
.footer-qr-item img { width: 80px; height: 80px; border-radius: 8px; }
.footer-qr-label { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 6px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content { grid-template-columns: 1fr; gap: 30px; }
  .hero-right { display: none; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-actions { display: none; }
  .hamburger { display: flex; }
  .section, .section-alt { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); }
  .tiktok-grid { grid-template-columns: repeat(3,1fr); }
  .hero-stats { gap: 16px; }
  .search-tags { display: none; }
}
@media (max-width: 480px) {
  .tiktok-grid { grid-template-columns: repeat(2,1fr); }
  .category-grid { grid-template-columns: repeat(3,1fr); }
  .expert-grid { grid-template-columns: 1fr; }
}

/* ===== 懒加载占位 ===== */
img[data-src] { background: var(--bg-section); }

/* ===== 视频模态框 ===== */
#hero-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
#hero-modal.open { display: flex; }
.modal-inner {
  width: 90%;
  max-width: 860px;
  aspect-ratio: 16/9;
  position: relative;
}
.modal-inner iframe { width: 100%; height: 100%; border: none; border-radius: var(--radius-md); }
.modal-close {
  position: absolute;
  top: -40px; right: 0;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  background: none;
  border: none;
}