/* 每日大赛 TangXin Media - 主样式文件 */
/* 原创设计 © 2026 每日大赛 57hf.cn */

:root {
  --primary: #e8507a;
  --primary-light: #f472a0;
  --primary-dark: #c0375e;
  --secondary: #7c3aed;
  --secondary-light: #a855f7;
  --accent: #f59e0b;
  --bg-main: #fff8fb;
  --bg-card: #ffffff;
  --bg-dark: #1a0a14;
  --bg-dark2: #2d1028;
  --text-main: #2d1028;
  --text-sub: #6b4a5e;
  --text-light: #a07090;
  --border: #f0d0e0;
  --shadow: 0 4px 24px rgba(232,80,122,0.10);
  --shadow-hover: 0 8px 40px rgba(232,80,122,0.22);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.28s cubic-bezier(.4,0,.2,1);
}

*, *::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', sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部通知栏 ===== */
.top-bar {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--secondary) 100%);
  color: #fff;
  text-align: center;
  padding: 7px 20px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.top-bar a { color: #ffd6e8; }

/* ===== 导航栏 ===== */
.site-header {
  background: #fff;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(232,80,122,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 16px;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { height: 44px; width: auto; }
.logo-text { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo-sub { font-size: 11px; color: var(--text-sub); display: block; }

.main-nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.main-nav a {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
}

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-login {
  padding: 8px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-light) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-login:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }

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

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: linear-gradient(135deg, #fff0f6 0%, #f5e8ff 100%);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
}
.search-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-form {
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 30px;
  overflow: hidden;
  flex: 1;
  max-width: 600px;
  transition: border-color var(--transition);
}
.search-form:focus-within { border-color: var(--primary); }
.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--text-main);
  background: transparent;
}
.search-btn {
  padding: 9px 22px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
}
.search-btn:hover { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  padding: 4px 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 15px;
  font-size: 12px;
  color: var(--text-sub);
  cursor: pointer;
  transition: all var(--transition);
}
.search-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb a { color: var(--text-sub); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ===== Hero 横幅 ===== */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark2) 50%, #3d1040 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transition: opacity 0.5s;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,10,20,0.85) 0%, rgba(124,58,237,0.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  color: #fff;
}
.hero-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(232,80,122,0.3);
  border: 1px solid rgba(232,80,122,0.5);
  border-radius: 20px;
  font-size: 12px;
  color: #ffd6e8;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}
.hero-title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #ffd6e8 60%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  padding: 13px 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232,80,122,0.4); color: #fff; }
.btn-outline {
  padding: 13px 32px;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; color: #fff; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat-num { font-size: 28px; font-weight: 900; color: var(--primary-light); }
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.6); }

/* ===== 区块通用 ===== */
.section { padding: 60px 0; }
.section-alt { background: linear-gradient(135deg, #fff0f6 0%, #f5e8ff 100%); }
.section-dark { background: var(--bg-dark); color: #fff; }

.section-header { text-align: center; margin-bottom: 44px; }
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-title {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-dark .section-title { color: #fff; }
.section-desc {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}
.section-dark .section-desc { color: rgba(255,255,255,0.7); }

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--bg-card);
  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: #1a0a14;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 54px;
  height: 54px;
  background: rgba(232,80,122,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: transform var(--transition);
}
.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(0,0,0,0.7);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-badge {
  position: absolute;
  top: 8px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { padding: 14px; }
.video-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  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: 12px;
  color: var(--text-light);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.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%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-light) 100%);
}
.author-name { font-size: 12px; color: var(--text-sub); font-weight: 600; }

/* ===== 图文卡片 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-img { aspect-ratio: 4/3; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 18px; }
.card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 10px;
}
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-main); line-height: 1.4; }
.card-desc { font-size: 13px; color: var(--text-sub); line-height: 1.7; }

/* ===== 专家卡片 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--border);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--primary-light);
}
.expert-name { font-size: 17px; font-weight: 800; color: var(--text-main); margin-bottom: 4px; }
.expert-role { font-size: 12px; color: var(--primary); font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: 12px; color: var(--text-sub); line-height: 1.6; margin-bottom: 14px; }
.expert-btns { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.btn-sm {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-sm:hover { background: var(--primary); color: #fff; }
.btn-sm.filled { background: var(--primary); color: #fff; }
.btn-sm.filled:hover { background: var(--primary-dark); }

/* ===== 合作品牌Logo墙 ===== */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-sub);
  transition: all var(--transition);
  min-width: 120px;
  text-align: center;
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-q {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-q::after {
  content: '+';
  font-size: 20px;
  color: var(--primary);
  font-weight: 400;
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 22px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* ===== 用户评价 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.review-stars { color: #f59e0b; font-size: 16px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 14px; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-size: 13px; font-weight: 700; color: var(--text-main); }
.review-date { font-size: 11px; color: var(--text-light); }

/* ===== 联系区域 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 22px;
}
.contact-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.contact-value { font-size: 14px; color: var(--text-sub); line-height: 1.6; }

/* ===== QR码区域 ===== */
.qr-section { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-item img { width: 140px; height: 140px; border-radius: var(--radius-sm); border: 2px solid var(--border); margin: 0 auto 10px; }
.qr-label { font-size: 13px; color: var(--text-sub); font-weight: 600; }

/* ===== 社交分享 ===== */
.share-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px 0;
}
.share-btn {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  color: #fff;
}
.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #000; }
.share-bilibili { background: #00a1d6; }
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; }

/* ===== How-To 指南 ===== */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.howto-step {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  counter-increment: step;
}
.howto-step::before {
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}
.howto-icon { font-size: 32px; margin-bottom: 12px; }
.howto-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.howto-desc { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* ===== 标签云 ===== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 5px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-sub);
  transition: all var(--transition);
  cursor: pointer;
}
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.tag.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 统计数字 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
}
.stat-num { font-size: 32px; font-weight: 900; color: var(--primary-light); margin-bottom: 6px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.7); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { color: var(--primary-light); font-size: 24px; }
.footer-brand p { font-size: 13px; line-height: 1.8; margin-top: 12px; color: rgba(255,255,255,0.6); }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.footer-logo-img { height: 32px; width: auto; filter: brightness(0) invert(1) opacity(0.7); }

/* ===== 内页 Hero ===== */
.page-hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark2) 100%);
  padding: 60px 0 50px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(232,80,122,0.2) 0%, transparent 70%);
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(28px, 4vw, 48px); font-weight: 900; margin-bottom: 12px; }
.page-hero p { font-size: 15px; color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto; }

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

/* ===== 侧边栏 ===== */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}
.sidebar { position: sticky; top: 120px; }
.sidebar-widget {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.sidebar-widget h3 { font-size: 15px; font-weight: 700; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); color: var(--text-main); }

/* ===== 移动端适配 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; }
  .main-nav { display: none; width: 100%; flex-direction: column; background: #fff; padding: 10px 0; border-top: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 20px; border-radius: 0; }
  .hamburger { display: flex; }
  .hero-section { min-height: 380px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .card-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .howto-steps { grid-template-columns: 1fr 1fr; }
  .search-tags { display: none; }
}
@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .howto-steps { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ===== 直播标签 ===== */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  background: #e6162d;
  color: #fff;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.live-dot {
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: blink 1.2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ===== 特色区块 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.feature-item {
  text-align: center;
  padding: 28px 16px;
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 26px;
}
.feature-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.feature-desc { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* ===== 内容文章 ===== */
.article-content { max-width: 800px; }
.article-content h2 { font-size: 22px; font-weight: 800; margin: 28px 0 14px; color: var(--text-main); }
.article-content h3 { font-size: 18px; font-weight: 700; margin: 22px 0 10px; color: var(--text-main); }
.article-content p { font-size: 15px; line-height: 1.85; color: var(--text-sub); margin-bottom: 14px; }
.article-content ul { padding-left: 20px; margin-bottom: 14px; }
.article-content ul li { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 6px; }

/* ===== 通知弹窗 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 440px;
  width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: scale(1); }