/* =====================================================
   呦呦视频 - 主样式文件 (style.css)
   品牌色: #E8192C (红) / #FF6B35 (橙) / #1A1A2E (深蓝)
   ===================================================== */

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', sans-serif;
  background: #f4f5f7;
  color: #1a1a2e;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .2s; }
a:hover { color: #E8192C; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-weight: 800; line-height: 1.3; }

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

/* ---------- 顶部公告栏 ---------- */
.rmcy39bf {
  background: linear-gradient(90deg, #E8192C, #FF6B35);
  color: #fff;
  font-size: .82rem;
  padding: 7px 0;
  text-align: center;
}
.rmcy39bf a { color: #fff; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.5); }
.rmcy39bf a:hover { border-bottom-color: #fff; }

/* ---------- 网站头部 ---------- */
.site-header {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner { display: flex; align-items: center; gap: 24px; padding: 14px 0; }

/* Logo */
.logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-wrap img { border-radius: 10px; }
.logo-text { font-size: 1.4rem; font-weight: 900; color: #E8192C; letter-spacing: -0.5px; }

/* 主导航 */
.main-nav { display: flex; gap: 4px; align-items: center; flex: 1; }
.main-nav a {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  color: #333;
  transition: all .2s;
}
.main-nav a:hover, .main-nav a.active { background: #fff0f1; color: #E8192C; }

/* 头部操作按钮 */
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-login {
  padding: 7px 18px;
  border: 1.5px solid #E8192C;
  border-radius: 20px;
  color: #E8192C;
  font-size: .85rem;
  font-weight: 700;
  transition: all .2s;
}
.btn-login:hover { background: #E8192C; color: #fff; }
.btn-vip {
  padding: 7px 18px;
  background: linear-gradient(135deg, #FFD700, #FF6B35);
  border-radius: 20px;
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  transition: all .2s;
}
.btn-vip:hover { opacity: .9; transform: translateY(-1px); }

/* 汉堡菜单 */
.vff4aqr { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.vff4aqr span { display: block; width: 22px; height: 2px; background: #333; border-radius: 2px; transition: all .3s; }

/* 搜索行 */
.ovgjblp { background: #f8f9fa; border-top: 1px solid #f0f0f0; padding: 8px 0; }
.f6fzc { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.search-bar {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1.5px solid #e9ecef;
  border-radius: 24px;
  overflow: hidden;
  flex: 1;
  max-width: 440px;
  transition: border-color .2s;
}
.search-bar:focus-within { border-color: #E8192C; }
.search-bar input { flex: 1; border: none; outline: none; padding: 8px 16px; font-size: .88rem; background: transparent; }
.search-bar button { padding: 8px 16px; background: #E8192C; border: none; cursor: pointer; color: #fff; font-size: .9rem; transition: background .2s; }
.search-bar button:hover { background: #c0152a; }
.rybs2 { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: .8rem; color: #6c757d; }
.pf4e21 {
  padding: 3px 10px;
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 12px;
  font-size: .78rem;
  color: #555;
  cursor: pointer;
  transition: all .2s;
}
.pf4e21:hover { background: #fff0f1; border-color: #E8192C; color: #E8192C; }

/* ---------- 移动端导航 ---------- */
.rtokm { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 9999; }
.rtokm.open { display: block; }
.rtokm-panel {
  position: absolute; right: 0; top: 0; bottom: 0; width: 260px;
  background: #fff; padding: 20px; overflow-y: auto;
}
.rtokm-close { font-size: 1.2rem; cursor: pointer; text-align: right; margin-bottom: 20px; color: #6c757d; }
.rtokm-links { display: flex; flex-direction: column; gap: 4px; }
.rtokm-links a { padding: 12px 16px; border-radius: 10px; font-size: .95rem; font-weight: 600; color: #333; transition: all .2s; }
.rtokm-links a:hover { background: #fff0f1; color: #E8192C; }

/* ---------- Hero轮播 ---------- */
.hero-section { position: relative; height: 520px; overflow: hidden; background: #0F0F23; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease; }
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,10,30,.85) 0%, rgba(10,10,30,.4) 60%, transparent 100%);
}
.hero-content { position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%); padding: 0 60px; color: #fff; max-width: 640px; }
.hero-badge { display: inline-block; padding: 4px 14px; background: #E8192C; border-radius: 20px; font-size: .78rem; font-weight: 700; margin-bottom: 14px; }
.hero-content h1 { font-size: 2.8rem; font-weight: 900; line-height: 1.2; margin-bottom: 14px; text-shadow: 0 2px 10px rgba(0,0,0,.3); }
.hero-content p { font-size: .95rem; opacity: .85; margin-bottom: 24px; line-height: 1.7; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.hero-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.4); cursor: pointer; transition: all .3s; }
.hero-dot.active { width: 24px; border-radius: 4px; background: #E8192C; }

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 11px 26px; background: linear-gradient(135deg, #E8192C, #FF6B35);
  color: #fff; border-radius: 24px; font-size: .9rem; font-weight: 700;
  transition: all .25s; border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,25,44,.35); color: #fff; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 11px 26px; border: 2px solid rgba(255,255,255,.7);
  color: #fff; border-radius: 24px; font-size: .9rem; font-weight: 700;
  transition: all .25s; background: transparent; cursor: pointer;
}
.btn-outline:hover { background: rgba(255,255,255,.15); color: #fff; }
.btn-sm { display: inline-block; padding: 6px 16px; border-radius: 16px; font-size: .8rem; font-weight: 700; cursor: pointer; transition: all .2s; }
.btn-sm-red { background: #E8192C; color: #fff; }
.btn-sm-red:hover { background: #c0152a; color: #fff; }
.btn-sm-outline { border: 1.5px solid #dee2e6; color: #555; }
.btn-sm-outline:hover { border-color: #E8192C; color: #E8192C; }

/* ---------- 快捷分类导航 ---------- */
.quick-nav { background: #fff; padding: 20px 0; box-shadow: 0 2px 8px rgba(0,0,0,.05); }
.quick-nav-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 12px; }
.quick-nav-item { display: flex; flex-direction: column; align-items: center; gap: 8px; cursor: pointer; transition: all .2s; }
.quick-nav-item:hover { transform: translateY(-3px); }
.quick-nav-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; box-shadow: 0 3px 10px rgba(0,0,0,.12); transition: all .2s;
}
.quick-nav-item:hover .quick-nav-icon { transform: scale(1.08); }
.quick-nav-item span { font-size: .78rem; font-weight: 600; color: #444; }

/* ---------- 统计数据栏 ---------- */
.stats-bar { background: linear-gradient(135deg, #1A1A2E, #16213E); padding: 28px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-item h3 { font-size: 1.8rem; font-weight: 900; color: #E8192C; margin-bottom: 4px; }
.stat-item p { font-size: .82rem; color: rgba(255,255,255,.65); }
.stat-number { font-size: 1.8rem; font-weight: 900; color: #E8192C; }

/* ---------- 通用区块 ---------- */
.section { padding: 60px 0; }
.section-gray { background: #f4f5f7; }
.section-gradient { background: linear-gradient(135deg, #0F0F23, #1A1A2E, #0D1B2A); }
.section-title { font-size: 1.7rem; font-weight: 900; text-align: center; margin-bottom: 10px; }
.section-title span { color: #E8192C; }
.section-subtitle { text-align: center; color: #6c757d; font-size: .9rem; margin-bottom: 36px; line-height: 1.6; }

/* ---------- 筛选栏 ---------- */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.filter-btn {
  padding: 7px 18px; border: 1.5px solid #dee2e6; border-radius: 20px;
  background: #fff; font-size: .85rem; font-weight: 600; color: #555; cursor: pointer; transition: all .2s;
}
.filter-btn:hover, .filter-btn.active { background: #E8192C; border-color: #E8192C; color: #fff; }

/* ---------- 视频卡片 ---------- */
.video-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.video-card {
  background: #fff; border-radius: 14px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,.06); transition: all .3s; cursor: pointer;
}
.video-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.video-thumb { position: relative; padding-top: 56.25%; overflow: hidden; background: #1a1a2e; }
.video-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.video-card:hover .video-thumb img { transform: scale(1.06); }

/* 播放按钮（H5+JS交互） */
.video-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0); transition: background .3s;
}
.video-card:hover .video-play-btn { background: rgba(0,0,0,.35); }
.play-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(232,25,44,.9);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
  opacity: 0; transform: scale(.7); transition: all .3s;
  box-shadow: 0 4px 20px rgba(232,25,44,.5);
}
.video-card:hover .play-icon { opacity: 1; transform: scale(1); }
.video-badge { position: absolute; top: 10px; left: 10px; padding: 3px 10px; background: #E8192C; color: #fff; font-size: .72rem; font-weight: 700; border-radius: 10px; }
.video-duration { position: absolute; bottom: 8px; right: 8px; padding: 2px 8px; background: rgba(0,0,0,.75); color: #fff; font-size: .72rem; border-radius: 6px; }
.video-info { padding: 14px; }
.video-title { font-size: .88rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; gap: 10px; font-size: .75rem; color: #6c757d; margin-bottom: 8px; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { padding: 2px 8px; background: #fff0f1; color: #E8192C; border-radius: 8px; font-size: .72rem; font-weight: 600; }

/* ---------- 影视传媒标签页 ---------- */
.media-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.media-tab {
  padding: 8px 20px; border: 1.5px solid #dee2e6; border-radius: 20px;
  background: #fff; font-size: .85rem; font-weight: 600; color: #555; cursor: pointer; transition: all .2s;
}
.media-tab:hover, .media-tab.active { background: #E8192C; border-color: #E8192C; color: #fff; }

/* ---------- 特色卡片 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 16/9; display: block; }
.feature-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.feature-card:hover img { transform: scale(1.06); }
.feature-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.75) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 20px; color: #fff;
}
.feature-card-overlay h3 { font-size: 1rem; font-weight: 800; margin-bottom: 4px; }
.feature-card-overlay p { font-size: .8rem; opacity: .8; }

/* ---------- 娱乐专区 ---------- */
.ent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ent-card {
  background: #fff; border-radius: 18px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.07); transition: all .3s;
}
.ent-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.ent-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.ent-icon { font-size: 2rem; flex-shrink: 0; }
.ent-card-header h3 { font-size: 1rem; font-weight: 800; margin-bottom: 3px; }
.ent-card-header p { font-size: .8rem; color: #6c757d; }

/* TikTok短动漫网格 */
.ent-shorts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.short-card { cursor: pointer; border-radius: 10px; overflow: hidden; }
.short-thumb { position: relative; padding-top: 133%; background: #1a1a2e; overflow: hidden; }
.short-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.short-card:hover .short-thumb img { transform: scale(1.06); }
.short-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0); color: #fff; font-size: 1.5rem;
  opacity: 0; transition: all .3s;
}
.short-card:hover .short-play { background: rgba(0,0,0,.4); opacity: 1; }
.short-likes { position: absolute; bottom: 6px; left: 6px; font-size: .7rem; color: #fff; background: rgba(0,0,0,.6); padding: 2px 6px; border-radius: 6px; }
.short-title { font-size: .75rem; font-weight: 600; padding: 6px 4px 0; color: #333; line-height: 1.3; }

/* cosplay网格 */
.cosplay-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.cosplay-item { position: relative; border-radius: 10px; overflow: hidden; aspect-ratio: 1; cursor: pointer; }
.cosplay-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.cosplay-item:hover img { transform: scale(1.08); }
.cosplay-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.7) 0%, transparent 50%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 10px; color: #fff;
  opacity: 0; transition: opacity .3s;
}
.cosplay-item:hover .cosplay-overlay { opacity: 1; }
.cosplay-tag { font-size: .7rem; background: #E8192C; padding: 2px 8px; border-radius: 8px; margin-bottom: 4px; display: inline-block; }
.cosplay-overlay p { font-size: .78rem; font-weight: 600; }

/* 二次元亚文化列表 */
.subculture-list { display: flex; flex-direction: column; gap: 8px; }
.subculture-list li a {
  display: block; padding: 10px 14px; background: #f8f9fa;
  border-radius: 10px; font-size: .85rem; color: #444; font-weight: 600;
  transition: all .2s; border-left: 3px solid transparent;
}
.subculture-list li a:hover { background: #fff0f1; border-left-color: #E8192C; color: #E8192C; }

/* ---------- AI功能区 ---------- */
.ai-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ai-feature-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px; padding: 28px 22px; color: #fff; transition: all .3s;
}
.ai-feature-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); border-color: rgba(0,212,255,.4); }
.ai-icon { font-size: 2.2rem; display: block; margin-bottom: 14px; }
.ai-feature-card h4 { font-size: 1rem; font-weight: 800; margin-bottom: 10px; color: #00D4FF; }
.ai-feature-card p { font-size: .85rem; opacity: .75; line-height: 1.7; }

/* ---------- 社区功能区 ---------- */
.comm-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.comm-feature-item {
  background: #fff; border-radius: 16px; padding: 26px 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06); transition: all .3s; text-align: center;
}
.comm-feature-item:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,.1); }
.comm-feat-icon {
  width: 64px; height: 64px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin: 0 auto 14px; box-shadow: 0 4px 14px rgba(0,0,0,.15);
}
.comm-feature-item h4 { font-size: .95rem; font-weight: 800; margin-bottom: 8px; }
.comm-feature-item p { font-size: .83rem; color: #6c757d; line-height: 1.7; margin-bottom: 12px; }
.comm-feat-link { font-size: .82rem; font-weight: 700; color: #E8192C; }
.comm-feat-link:hover { text-decoration: underline; }

/* ---------- 直播卡片 ---------- */
.live-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.live-card { background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.06); cursor: pointer; transition: all .3s; }
.live-card:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(0,0,0,.1); }
.live-thumb { position: relative; padding-top: 56.25%; background: #1a1a2e; overflow: hidden; }
.live-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.live-badge { position: absolute; top: 10px; left: 10px; display: flex; align-items: center; gap: 5px; padding: 4px 10px; background: rgba(220,53,69,.9); color: #fff; font-size: .72rem; font-weight: 700; border-radius: 10px; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.live-viewers { position: absolute; bottom: 8px; right: 8px; padding: 2px 8px; background: rgba(0,0,0,.7); color: #fff; font-size: .72rem; border-radius: 6px; }
.live-info { padding: 12px 14px; }
.live-title { font-size: .88rem; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.live-host { font-size: .78rem; color: #6c757d; }

/* ---------- 专家卡片 ---------- */
.expert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.expert-card { background: #fff; border-radius: 18px; padding: 28px 20px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,.07); transition: all .3s; }
.expert-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.expert-avatar { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; border: 3px solid #E8192C; }
.expert-name { font-size: 1.05rem; font-weight: 800; margin-bottom: 4px; }
.expert-role { font-size: .8rem; color: #E8192C; font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: .82rem; color: #6c757d; line-height: 1.6; margin-bottom: 12px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 12px; }
.award-badge { padding: 3px 10px; background: #fff8e1; color: #e67e22; border-radius: 10px; font-size: .72rem; font-weight: 600; }
.expert-btns { display: flex; gap: 8px; justify-content: center; }

/* ---------- 合作品牌 ---------- */
.partners-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.partner-logo {
  background: #fff; border: 1.5px solid #e9ecef; border-radius: 12px;
  padding: 18px 12px; text-align: center; font-size: .88rem; font-weight: 700; color: #555; transition: all .2s; cursor: pointer;
}
.partner-logo:hover { border-color: #E8192C; color: #E8192C; background: #fff0f1; }

/* ---------- 步骤卡片 ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { background: #fff; border-radius: 16px; padding: 28px 20px; text-align: center; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
.step-number {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, #E8192C, #FF6B35);
  color: #fff; font-size: 1.3rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
}
.step-card h4 { font-size: .95rem; font-weight: 800; margin-bottom: 8px; }
.step-card p { font-size: .83rem; color: #6c757d; line-height: 1.6; }

/* ---------- 联系区 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 20px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; }
.contact-icon { width: 40px; height: 40px; border-radius: 10px; background: #fff0f1; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-item-text h5 { font-size: .88rem; font-weight: 700; margin-bottom: 2px; }
.contact-item-text p { font-size: .85rem; color: #6c757d; }
.5223lv { display: flex; gap: 16px; margin-top: 16px; }
.t0xhlp { text-align: center; }
.t0xhlp img { border-radius: 10px; border: 2px solid #e9ecef; }
.t0xhlp p { font-size: .75rem; color: #6c757d; margin-top: 6px; }

/* ---------- 评价卡片 ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.review-card { background: #fff; border-radius: 14px; padding: 20px; box-shadow: 0 2px 10px rgba(0,0,0,.06); transition: all .3s; }
.review-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,.1); }
.review-header { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.review-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, #E8192C, #FF6B35);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; flex-shrink: 0;
}
.review-name { font-size: .9rem; font-weight: 700; }
.review-date { font-size: .75rem; color: #adb5bd; }
.review-stars { color: #FFD700; font-size: .9rem; margin-bottom: 8px; }
.review-text { font-size: .83rem; color: #555; line-height: 1.7; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: 12px; margin-bottom: 10px; box-shadow: 0 2px 8px rgba(0,0,0,.05); overflow: hidden; transition: all .3s; }
.faq-item.open { box-shadow: 0 4px 20px rgba(232,25,44,.12); }
.faq-question { padding: 18px 20px; font-size: .92rem; font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: color .2s; }
.faq-question::after { content: '+'; font-size: 1.2rem; color: #E8192C; transition: transform .3s; }
.faq-item.open .faq-question { color: #E8192C; }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer span { display: block; padding: 0 20px 18px; font-size: .85rem; color: #555; line-height: 1.8; }

/* ---------- 面包屑 ---------- */
.breadcrumb { background: #fff; border-bottom: 1px solid #f0f0f0; padding: 10px 0; font-size: .82rem; color: #6c757d; }
.breadcrumb a { color: #6c757d; }
.breadcrumb a:hover { color: #E8192C; }
.breadcrumb span { margin: 0 6px; }

/* ---------- 页面Hero ---------- */
.page-hero { background: linear-gradient(135deg, #1A1A2E, #16213E, #0D1B2A); padding: 50px 0; text-align: center; color: #fff; }
.page-hero h1 { font-size: 2rem; font-weight: 900; margin-bottom: 10px; }
.page-hero h1 span { color: #E8192C; }
.page-hero p { font-size: .95rem; opacity: .75; }

/* ---------- 分享栏 ---------- */
.imd42 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.03uuv0m { padding: 6px 16px; border-radius: 16px; font-size: .82rem; font-weight: 600; cursor: pointer; transition: all .2s; border: 1.5px solid #dee2e6; color: #555; background: #fff; }
.03uuv0m:hover { border-color: #E8192C; color: #E8192C; }

/* ---------- 信任徽章 ---------- */
.5hq38 {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  padding: 20px 0; border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 16px;
}
.k7b49 {
  padding: 5px 14px; background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15); border-radius: 20px;
  font-size: .78rem; color: rgba(255,255,255,.7); font-weight: 600;
}

/* ---------- 底部 ---------- */
.site-footer { background: linear-gradient(135deg, #0F0F23, #1A1A2E); color: rgba(255,255,255,.75); padding: 50px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand p { font-size: .85rem; line-height: 1.7; opacity: .7; margin-bottom: 8px; }
.footer-col h4 { font-size: .95rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: .85rem; opacity: .65; transition: opacity .2s; }
.footer-col ul li a:hover { opacity: 1; color: #E8192C; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; font-size: .8rem; opacity: .55; flex-wrap: wrap; gap: 8px; }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: #E8192C; }
.footer-copyright { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.update-time { font-size: .78rem; white-space: nowrap; }

/* ---------- 视频播放模态框（H5+JS） ---------- */
.bb2aklp {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.88); z-index: 10000;
  align-items: center; justify-content: center;
}
.bb2aklp.open { display: flex; }
.bb2aklp-inner {
  position: relative; width: 90%; max-width: 780px;
  background: #0F0F23; border-radius: 18px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.bb2aklp-close {
  position: absolute; top: 14px; right: 14px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.15); color: #fff; border: none;
  font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.bb2aklp-close:hover { background: #E8192C; }
.bb2aklp-player { padding-top: 56.25%; position: relative; }
.k3d7ars7 {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 30px;
}
.pyev0pg { width: 200px; height: 4px; background: rgba(255,255,255,.15); border-radius: 2px; margin-top: 20px; overflow: hidden; }
.69531ob { height: 100%; background: linear-gradient(90deg, #E8192C, #FF6B35); border-radius: 2px; animation: loading 2s ease-in-out infinite; }
@keyframes loading { 0%{width:0} 50%{width:100%} 100%{width:0} }

/* ---------- 返回顶部 ---------- */
.23wbl {
  position: fixed; bottom: 30px; right: 30px;
  width: 44px; height: 44px; border-radius: 50%;
  background: #E8192C; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; cursor: pointer;
  box-shadow: 0 4px 15px rgba(232,25,44,.4);
  opacity: 0; transform: translateY(20px); transition: all .3s; z-index: 999; border: none;
}
.23wbl.visible { opacity: 1; transform: translateY(0); }
.23wbl:hover { background: #c0152a; transform: translateY(-3px); }

/* ---------- 关于页 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }

/* =====================================================
   响应式设计
   ===================================================== */

/* 平板 (≤ 1024px) */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .quick-nav-grid { grid-template-columns: repeat(4, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .ai-features-grid { grid-template-columns: repeat(2, 1fr); }
  .comm-features-grid { grid-template-columns: repeat(2, 1fr); }
  .ent-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
}

/* 手机 (≤ 768px) */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .vff4aqr { display: flex; }
  .btn-vip { display: none; }
  .ovgjblp .rybs2 { display: none; }

  .hero-section { height: 380px; }
  .hero-content { padding: 0 24px; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-content p { font-size: .85rem; }

  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .live-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-nav-grid { grid-template-columns: repeat(4, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .ai-features-grid { grid-template-columns: 1fr; }
  .comm-features-grid { grid-template-columns: repeat(2, 1fr); }
  .ent-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.3rem; }
  .footer-copyright { font-size: .72rem; }
}

/* 小手机 (≤ 480px) */
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .live-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .comm-features-grid { grid-template-columns: 1fr; }
  .quick-nav-grid { grid-template-columns: repeat(4, 1fr); }
  .quick-nav-icon { width: 44px; height: 44px; font-size: 1.1rem; }
  .quick-nav-item span { font-size: .7rem; }
  .hero-content h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .bb2aklp-inner { width: 96%; }
}