/* ================================================
   每日大赛 - 影视传媒 & 视频社区 主样式表
   版权所有 © 2026 每日大赛 jianafengye.com
   ================================================ */

/* === 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", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", Arial, sans-serif;
  background: #f5f6fa;
  color: #222;
  line-height: 1.7;
  min-width: 320px;
}
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: #c9a227; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
input, button, select, textarea { font-family: inherit; }

/* === 颜色变量 === */
:root {
  --navy: #0d2b5e;
  --navy-dark: #091d3f;
  --navy-light: #1a3f7a;
  --gold: #c9a227;
  --gold-light: #e8c84a;
  --gold-dark: #a07e1a;
  --white: #ffffff;
  --light-bg: #f5f6fa;
  --card-bg: #ffffff;
  --text-main: #1a1a2e;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --shadow: 0 4px 24px rgba(13,43,94,.10);
  --shadow-hover: 0 8px 40px rgba(13,43,94,.18);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: .3s ease;
}

/* === 顶部公告条 === */
.top-bar {
  background: var(--navy-dark);
  color: #cdd5e0;
  font-size: 13px;
  padding: 6px 0;
  text-align: center;
  letter-spacing: .5px;
}
.top-bar a { color: var(--gold-light); }
.top-bar .top-bar-inner { display: flex; justify-content: space-between; align-items: center; }

/* === 容器 === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* === 头部导航 === */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-img {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text .brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 2px;
}
.logo-text .brand-sub {
  font-size: 11px;
  color: #8fa3c0;
  letter-spacing: 1px;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: #c8d6e8;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all var(--transition);
  white-space: nowrap;
  font-weight: 500;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--gold);
  background: rgba(201,162,39,.12);
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: all .3s;
}

/* === 搜索栏 === */
.search-bar-wrap {
  background: var(--navy-light);
  padding: 12px 0;
  border-bottom: 1px solid rgba(201,162,39,.15);
}
.search-bar {
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(201,162,39,.3);
  border-radius: 30px;
  overflow: hidden;
  transition: border-color .3s;
}
.search-bar:focus-within { border-color: var(--gold); }
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 10px 20px;
  color: #fff;
  font-size: 14px;
}
.search-bar input::placeholder { color: #8fa3c0; }
.search-bar button {
  background: var(--gold);
  border: none;
  padding: 10px 22px;
  color: var(--navy-dark);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.search-bar button:hover { background: var(--gold-light); }

/* === 面包屑 === */
.breadcrumb {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--navy); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 6px; color: var(--text-light); }

/* === Hero 横幅 === */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: .45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9,29,63,.85) 40%, rgba(13,43,94,.5));
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero-content h1 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.hero-content h1 em { color: var(--gold); font-style: normal; }
.hero-content p {
  font-size: 16px;
  color: #c8d6e8;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  transition: all .3s;
  border: 2px solid var(--gold);
  cursor: pointer;
  display: inline-block;
}
.btn-primary:hover { background: var(--gold-light); color: var(--navy-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(201,162,39,.4); }
.btn-outline {
  background: transparent;
  color: var(--white);
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid rgba(255,255,255,.5);
  transition: all .3s;
  cursor: pointer;
  display: inline-block;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,162,39,.08); }

/* 统计数字 */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--gold); display: block; }
.stat-label { font-size: 12px; color: #8fa3c0; }

/* === 区块标题 === */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}
.section-tag {
  display: inline-block;
  background: rgba(201,162,39,.12);
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: 1px;
  border: 1px solid rgba(201,162,39,.25);
}
.section-header h2 {
  font-size: clamp(22px, 3.5vw, 34px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.section-header h2 em { color: var(--gold); font-style: normal; }
.section-header p { color: var(--text-muted); font-size: 15px; max-width: 560px; margin: 0 auto; }
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 3px;
  margin: 14px auto 0;
}

/* === 通用区块 === */
.section { padding: 70px 0; }
.section-light { background: var(--light-bg); }
.section-dark { background: var(--navy-dark); color: var(--white); }
.section-navy { background: var(--navy); color: var(--white); }

/* === 视频卡片 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.video-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #1a1a2e;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(9,29,63,.3);
  opacity: 0;
  transition: opacity .3s;
}
.video-card:hover .play-btn { opacity: 1; }
.play-icon {
  width: 56px;
  height: 56px;
  background: rgba(201,162,39,.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s;
}
.video-card:hover .play-icon { transform: scale(1.1); }
.play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(0,0,0,.7);
  color: #fff;
  font-size: 12px;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--gold);
  color: var(--navy-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { padding: 14px 16px 16px; }
.video-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  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-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-meta .views::before { content: '▶'; font-size: 10px; }
.video-meta .likes::before { content: '♥'; color: #e05; font-size: 10px; }
.video-meta .comments::before { content: '💬'; font-size: 10px; }

/* === 图片卡片 === */
.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}
.img-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
}
.img-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.img-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.img-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(9,29,63,.85));
  padding: 30px 14px 14px;
  color: #fff;
}
.img-card-overlay h4 { font-size: 14px; font-weight: 600; }
.img-card-overlay p { font-size: 12px; color: #c8d6e8; margin-top: 2px; }

/* === 专家卡片 === */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  text-align: center;
}
.expert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
}
.expert-info { padding: 18px 16px; }
.expert-info h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.expert-info .role { font-size: 13px; color: var(--gold-dark); font-weight: 600; margin-bottom: 8px; }
.expert-info p { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.expert-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.expert-tag {
  background: rgba(13,43,94,.08);
  color: var(--navy);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: none;
}
.btn-sm-primary { background: var(--navy); color: #fff; }
.btn-sm-primary:hover { background: var(--navy-light); }
.btn-sm-outline { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn-sm-outline:hover { background: var(--navy); color: #fff; }

/* === 功能模块卡片 === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border-top: 3px solid transparent;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-top-color: var(--gold); }
.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 26px;
}
.feature-card h3 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* === 合作品牌 === */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  font-weight: 700;
  font-size: 14px;
  color: var(--navy);
  transition: all .3s;
  min-height: 70px;
  text-align: center;
}
.partner-item:hover { background: var(--navy); color: var(--gold); transform: scale(1.03); }

/* === 评论卡片 === */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  position: relative;
}
.review-card::before {
  content: '"';
  position: absolute;
  top: 12px;
  right: 18px;
  font-size: 60px;
  color: rgba(201,162,39,.15);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-stars { color: var(--gold); font-size: 16px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text-main); line-height: 1.7; margin-bottom: 14px; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: 14px; color: var(--navy); }
.review-date { font-size: 12px; color: var(--text-muted); }

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-question {
  padding: 18px 20px;
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background .2s;
}
.faq-question:hover { background: rgba(13,43,94,.04); }
.faq-question::after {
  content: '+';
  font-size: 22px;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform .3s;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.faq-item.open .faq-answer { display: block; }

/* === 联系区块 === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 { font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 16px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-text strong { display: block; font-size: 14px; color: var(--navy); margin-bottom: 2px; }
.contact-text span { font-size: 13px; color: var(--text-muted); }
.qr-wrap { display: flex; gap: 20px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-item img { width: 120px; height: 120px; border-radius: 8px; border: 2px solid var(--border); }
.qr-item p { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* === 分享按钮 === */
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 22px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: none;
}
.share-wechat { background: #07c160; color: #fff; }
.share-weibo { background: #e6162d; color: #fff; }
.share-douyin { background: #010101; color: #fff; }
.share-bilibili { background: #00a1d6; color: #fff; }
.share-btn:hover { opacity: .85; transform: translateY(-2px); }

/* === 社区功能 === */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.community-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(201,162,39,.2);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all .3s;
}
.community-card:hover {
  background: rgba(201,162,39,.1);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.community-card .icon { font-size: 36px; margin-bottom: 12px; }
.community-card h3 { font-size: 16px; font-weight: 700; color: var(--gold); margin-bottom: 8px; }
.community-card p { font-size: 13px; color: #c8d6e8; line-height: 1.6; }

/* === AI 赋能区块 === */
.ai-card {
  background: linear-gradient(135deg, var(--navy-dark), #1a1040);
  border: 1px solid rgba(201,162,39,.25);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.ai-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(201,162,39,.12), transparent 70%);
  border-radius: 50%;
}
.ai-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-top: 20px; }
.ai-item {
  background: rgba(255,255,255,.05);
  border-radius: var(--radius-sm);
  padding: 16px;
  border-left: 3px solid var(--gold);
}
.ai-item h4 { font-size: 14px; font-weight: 700; color: var(--gold); margin-bottom: 6px; }
.ai-item p { font-size: 12px; color: #c8d6e8; line-height: 1.6; }

/* === How-To 指南 === */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.howto-step {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
  counter-increment: step;
}
.howto-step::before {
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 20px;
  width: 32px;
  height: 32px;
  background: var(--gold);
  color: var(--navy-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}
.howto-step h4 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 8px; margin-top: 8px; }
.howto-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* === 页脚 === */
.site-footer {
  background: var(--navy-dark);
  color: #8fa3c0;
  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,.08);
}
.footer-brand .logo-wrap { margin-bottom: 16px; }
.footer-brand p { font-size: 13px; line-height: 1.8; color: #7a90a8; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(201,162,39,.2);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13px; color: #7a90a8; transition: color .2s; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
}
.footer-bottom .copyright { color: #5a7090; }
.footer-bottom .update-time { color: #5a7090; }
.footer-bottom .footer-links { display: flex; gap: 16px; }
.footer-bottom .footer-links a { color: #5a7090; }
.footer-bottom .footer-links a:hover { color: var(--gold); }

/* === 内页头部 === */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  padding: 60px 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-banner.jpg') center/cover no-repeat;
  opacity: .1;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(26px, 4vw, 42px); font-weight: 800; margin-bottom: 10px; }
.page-hero h1 em { color: var(--gold); font-style: normal; }
.page-hero p { font-size: 15px; color: #c8d6e8; max-width: 600px; margin: 0 auto; }

/* === 标签云 === */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: rgba(13,43,94,.08);
  color: var(--navy);
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(13,43,94,.12);
  transition: all .2s;
  cursor: pointer;
}
.tag:hover { background: var(--navy); color: var(--gold); }

/* === 分页 === */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.page-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--navy);
}
.page-btn:hover, .page-btn.active { background: var(--navy); color: var(--gold); border-color: var(--navy); }

/* === 响应式 === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--navy-dark);
    padding: 16px;
    gap: 4px;
    z-index: 999;
    box-shadow: 0 8px 24px rgba(0,0,0,.3);
  }
  .hamburger { display: flex; }
  .hero-section { min-height: 380px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .expert-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .section { padding: 50px 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero-content h1 { font-size: 24px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
  .video-grid { grid-template-columns: 1fr; }
  .img-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .community-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === 懒加载占位 === */
img[loading="lazy"] { background: #e5e7eb; }

/* === 动画 === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .6s ease forwards; }

/* === 滚动条 === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: var(--navy-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy); }

/* === 通知条 === */
.notice-bar {
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  color: var(--navy-dark);
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

/* === 视频播放模态框 === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: #000;
  border-radius: var(--radius);
  max-width: 800px;
  width: 90%;
  position: relative;
  overflow: hidden;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  background: rgba(0,0,0,.5);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
}
.modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

/* === 弹幕效果 === */
.danmaku-wrap {
  position: relative;
  overflow: hidden;
  background: rgba(0,0,0,.3);
  border-radius: var(--radius-sm);
  height: 40px;
  margin-top: 10px;
}
.danmaku-text {
  position: absolute;
  white-space: nowrap;
  color: var(--gold-light);
  font-size: 13px;
  animation: danmaku 12s linear infinite;
  top: 10px;
}
@keyframes danmaku {
  from { transform: translateX(100vw); }
  to { transform: translateX(-100%); }
}

/* === 内页文章内容 === */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-main);
}
.article-content h2 { font-size: 22px; font-weight: 700; color: var(--navy); margin: 28px 0 12px; }
.article-content h3 { font-size: 18px; font-weight: 700; color: var(--navy); margin: 22px 0 10px; }
.article-content p { margin-bottom: 14px; }
.article-content ul { padding-left: 20px; margin-bottom: 14px; }
.article-content ul li { list-style: disc; margin-bottom: 6px; }