/* 媚黑 - 主样式文件 */
/* yhtlw53.cn */

:root {
  --primary: #1a7a3c;
  --primary-dark: #0f5228;
  --primary-light: #2ecc71;
  --accent: #f39c12;
  --accent-dark: #d68910;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --text: #2c3e50;
  --text-light: #7f8c8d;
  --bg: #f8fdf9;
  --bg2: #eaf5ee;
  --white: #ffffff;
  --border: #d4edda;
  --shadow: 0 4px 20px rgba(26,122,60,0.12);
  --shadow-hover: 0 8px 30px rgba(26,122,60,0.22);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 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', 'Hiragino Sans GB', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ===== 通用 ===== */
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 70px 0; }
.section-alt { background: var(--bg2); }
.section-dark { background: var(--dark); color: var(--white); }

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: 12px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 12px auto 0;
  border-radius: 2px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 40px;
}
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(26,122,60,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,122,60,0.4);
  color: var(--white);
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(243,156,18,0.3);
}
.btn-accent:hover { transform: translateY(-2px); color: var(--white); }

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: var(--white);
  font-size: 0.82rem;
  padding: 8px 0;
  text-align: center;
}
.top-bar a { color: var(--accent); }

/* ===== 导航 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-sub { font-size: 0.72rem; color: var(--text-light); display: block; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}
.nav a:hover, .nav a.active {
  background: var(--bg2);
  color: var(--primary);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  max-width: 600px;
  transition: var(--transition);
}
.search-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,122,60,0.1);
}
.search-wrap input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.9rem;
  background: transparent;
  color: var(--text);
}
.search-wrap button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary);
  font-size: 1.1rem;
  padding: 2px 6px;
}
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  font-size: 0.78rem;
  color: var(--text-light);
  padding: 3px 10px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
}
.search-tag:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ===== Banner ===== */
.banner {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  z-index: 0;
}
.banner-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  color: var(--white);
}
.banner-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.banner h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.banner p {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 600px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.banner-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.banner-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.banner-stat { text-align: center; }
.banner-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
}
.banner-stat-label { font-size: 0.82rem; opacity: 0.85; }

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.video-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.video-thumb {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #000;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  border-style: solid;
  border-width: 10px 0 10px 18px;
  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: var(--white);
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.video-info { padding: 14px; }
.video-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-light);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-stats {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ===== 模块卡片 ===== */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}
.module-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}
.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.module-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.module-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.module-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* ===== 专家卡片 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}
.expert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.expert-photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.expert-info { padding: 18px; }
.expert-name { font-size: 1.05rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 4px; }
.expert-title { font-size: 0.82rem; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.expert-desc { font-size: 0.82rem; color: var(--text-light); line-height: 1.5; margin-bottom: 12px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 12px; }
.award-tag {
  font-size: 0.72rem;
  background: var(--bg2);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.expert-btns a { font-size: 0.8rem; padding: 6px 14px; }

/* ===== 评价 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-light);
}
.review-stars { color: var(--accent); font-size: 1rem; margin-bottom: 10px; }
.review-text { font-size: 0.9rem; color: var(--text); line-height: 1.7; margin-bottom: 14px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: 0.88rem; color: var(--text); }
.review-date { font-size: 0.75rem; color: var(--text-light); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-q {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-q:hover { background: var(--bg2); }
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* ===== 合作品牌 ===== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}
.partner-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 18px 12px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}
.partner-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.partner-logo {
  font-size: 2rem;
  margin-bottom: 8px;
}
.partner-name { font-size: 0.82rem; font-weight: 600; color: var(--text); }

/* ===== 社交分享 ===== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.share-wechat { background: #07C160; color: #fff; }
.share-weibo { background: #E6162D; color: #fff; }
.share-douyin { background: #000; color: #fff; }
.share-bilibili { background: #00A1D6; color: #fff; }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); }

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.contact-icon { font-size: 2.2rem; margin-bottom: 12px; }
.contact-label { font-size: 0.82rem; color: var(--text-light); margin-bottom: 6px; }
.contact-value { font-size: 0.95rem; font-weight: 600; color: var(--primary-dark); }

/* ===== 二维码 ===== */
.qr-section { display: flex; gap: 30px; flex-wrap: wrap; justify-content: center; }
.qr-item { text-align: center; }
.qr-item img { width: 140px; height: 140px; object-fit: contain; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.qr-label { font-size: 0.82rem; color: var(--text-light); margin-top: 8px; }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg2);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: 0.82rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb-inner a { color: var(--primary); }
.breadcrumb-inner span { color: var(--text-light); }

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 50px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
.footer-brand { }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo img { width: 40px; height: 40px; border-radius: 50%; }
.footer-logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
}
.footer-desc { font-size: 0.85rem; line-height: 1.8; margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: var(--white); }
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.83rem; color: rgba(255,255,255,0.65); }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.65); }

/* ===== 标签云 ===== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--bg2);
  color: var(--primary);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.tag:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ===== 特色区块 ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-hover); }
.feature-img img { width: 100%; height: 320px; object-fit: cover; }
.feature-text h2 { font-size: 1.7rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 14px; }
.feature-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.feature-list { margin: 16px 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text);
}
.feature-list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== 统计数字 ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item { padding: 24px; }
.stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  display: block;
}
.stat-label { font-size: 0.85rem; color: var(--text-light); margin-top: 4px; }

/* ===== 内页 Hero ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 1rem; opacity: 0.85; max-width: 600px; margin: 0 auto; }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 30px; }
  .feature-row.reverse { direction: ltr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); padding: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); z-index: 999; }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-inner { position: relative; }
  .banner { min-height: 380px; }
  .banner h1 { font-size: 1.8rem; }
  .banner-stats { gap: 20px; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.6rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .search-tags { display: none; }
}
@media (max-width: 480px) {
  .banner-btns { flex-direction: column; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease forwards; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== 视频弹窗 ===== */
.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.active { display: flex; }
.video-modal-inner {
  background: var(--dark);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 800px;
  width: 90%;
  position: relative;
}
.video-modal-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 700;
}
.video-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0f5228, #1a7a3c);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
  text-align: center;
  padding: 20px;
}

/* ===== 通知条 ===== */
.notice-bar {
  background: linear-gradient(90deg, #fff3cd, #ffeeba);
  border-bottom: 1px solid #ffc107;
  padding: 8px 0;
  font-size: 0.82rem;
  color: #856404;
  text-align: center;
}

/* ===== 精选标签 ===== */
.hot-tag {
  display: inline-block;
  background: #e74c3c;
  color: #fff;
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  font-weight: 700;
  vertical-align: middle;
}
.new-tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  font-weight: 700;
  vertical-align: middle;
}