/* 设计说明：实时播映编辑部。保持原模板栅格、卡片比例与响应式断点，仅用云白、雾蓝、深海军蓝和播映珊瑚红重建视觉层级。 */
/* 绿帽社 - 现代直播内容站主样式 | y8p8xf.cn */
:root {
  --primary: #f05252;
  --secondary: #0d8bd8;
  --dark: #f5f8fc;
  --dark2: #ffffff;
  --dark3: #edf3f8;
  --text: #172b4d;
  --text-muted: #6b7a90;
  --border: #dbe4ee;
  --gold: #d99000;
  --gradient: linear-gradient(135deg, #f05252 0%, #ef7a5b 48%, #0d8bd8 100%);
  --gradient2: linear-gradient(118deg, #173a5e 0%, #246b9c 55%, #4d9bc7 100%);
  --shadow: 0 10px 28px rgba(28, 65, 100, 0.13);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: var(--gradient);
  padding: 6px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}

/* ===== 头部导航 ===== */
.site-header {
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-logo img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.logo-text {
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.main-nav a {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(254,44,85,0.1);
}

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 6px 16px;
  flex: 1;
  max-width: 600px;
  transition: var(--transition);
}

.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(240,82,82,0.11);
}

.search-form input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 14px;
  flex: 1;
  padding: 2px 8px;
}

.search-form input::placeholder { color: var(--text-muted); }

.search-btn {
  background: var(--gradient);
  border: none;
  color: var(--text);
  padding: 7px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.search-btn:hover { opacity: 0.85; transform: scale(1.02); }

.hot-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hot-tags span { color: var(--text-muted); font-size: 12px; }

.hot-tag {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.hot-tag:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 面包屑 ===== */
.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb span { margin: 0 6px; }

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

/* ===== 区块标题 ===== */
.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.section-title h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}

.section-title .title-line {
  flex: 1;
  height: 2px;
  background: var(--border);
}

.section-title .title-more {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.section-title .title-more:hover { color: var(--primary); }

.title-tag {
  background: var(--gradient);
  color: var(--text);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.video-card {
  background: var(--dark2);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--dark3);
}

.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); }

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 52px;
  height: 52px;
  background: rgba(254,44,85,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.play-btn::after {
  content: '';
  border-left: 18px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  margin-left: 4px;
}

.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: var(--text);
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
}

.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--primary);
  color: var(--text);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.video-info {
  padding: 12px;
}

.video-title {
  font-size: 14px;
  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: 12px;
  color: var(--text-muted);
}

.video-meta .author {
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-meta .author img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
}

.video-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 3px;
}

/* ===== 英雄Banner ===== */
.hero-section {
  position: relative;
  overflow: hidden;
  background: var(--dark2);
}

.hero-slider {
  position: relative;
}

.hero-slide {
  position: relative;
  height: 480px;
  overflow: hidden;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.85) 40%, transparent 100%);
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
}

.hero-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--text);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-weight: 600;
}

.hero-title {
  font-size: 42px;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 600px;
}

.hero-title span { color: var(--primary); }

.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-btns {
  display: flex;
  gap: 12px;
}

.btn-primary {
  background: var(--gradient);
  color: var(--text);
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary:hover { opacity: 0.9; transform: scale(1.02); color: var(--text); }

.btn-outline {
  background: transparent;
  color: var(--text);
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); }

/* ===== 统计数字 ===== */
.stats-bar {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-block { padding: 10px; }

.stat-block .num {
  font-size: 32px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-block .label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 内容区块 ===== */
.content-section {
  padding: 48px 0;
}

.content-section + .content-section {
  border-top: 1px solid var(--border);
}

/* ===== 新闻卡片 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.news-card {
  background: var(--dark2);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-3px);
  border-color: rgba(254,44,85,0.4);
  box-shadow: var(--shadow);
}

.news-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--dark3);
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover .news-card-img img { transform: scale(1.05); }

.news-card-body { padding: 16px; }

.news-cat {
  display: inline-block;
  background: rgba(240,82,82,0.11);
  color: var(--primary);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
  font-weight: 600;
}

.news-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-title a { color: var(--text); }
.news-card-title a:hover { color: var(--primary); }

.news-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

/* ===== 专家卡片 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.expert-card {
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.expert-card:hover {
  border-color: var(--secondary);
  box-shadow: 0 4px 20px rgba(13,139,216,0.08);
  transform: translateY(-3px);
}

.expert-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--border);
  transition: var(--transition);
}

.expert-card:hover .expert-avatar { border-color: var(--secondary); }

.expert-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.expert-role {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
}

.expert-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.btn-sm {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--dark3);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.btn-sm:hover { border-color: var(--primary); color: var(--primary); }

.btn-sm.primary { background: var(--primary); border-color: var(--primary); color: var(--text); }
.btn-sm.primary:hover { opacity: 0.85; }

/* ===== 用户评价 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.review-card {
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  position: relative;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 48px;
  color: rgba(240,82,82,0.11);
  font-family: Georgia, serif;
  line-height: 1;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}

.review-name { font-size: 14px; font-weight: 600; color: var(--text); }
.review-time { font-size: 12px; color: var(--text-muted); }

.review-stars {
  color: var(--gold);
  font-size: 14px;
  margin-bottom: 8px;
}

.review-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; }

.faq-item {
  background: var(--dark2);
  border-radius: var(--radius);
  margin-bottom: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-q {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-q:hover { color: var(--primary); }

.faq-q .arrow {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--dark3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-q .arrow { transform: rotate(180deg); background: var(--primary); }

.faq-a {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 20px 16px;
}

.faq-a p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

/* ===== 合作品牌 ===== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.partner-item {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.partner-item:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-card {
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text-muted);
}

.contact-icon {
  width: 32px;
  height: 32px;
  background: rgba(254,44,85,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

/* ===== 分享按钮 ===== */
.share-section {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.share-label { font-size: 14px; color: var(--text-muted); }

.share-btn {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text);
}

.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #010101; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; }

.share-btn:hover { opacity: 0.85; transform: scale(1.03); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-text {
  font-size: 24px;
  display: block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer-qr {
  display: flex;
  gap: 16px;
}

.qr-item { text-align: center; }

.qr-item img {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.qr-item p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 8px; }

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--secondary); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--secondary); }

/* ===== 标签 ===== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 16px;
  transition: var(--transition);
  cursor: pointer;
}

.tag:hover { border-color: var(--primary); color: var(--primary); }
.tag.active { background: rgba(240,82,82,0.11); border-color: var(--primary); color: var(--primary); }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 32px 0;
}

.page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover, .page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text);
}

/* ===== 内页头部 ===== */
.page-hero {
  background: var(--gradient2);
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(254,44,85,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: 36px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
}

/* ===== 侧边栏 ===== */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  padding: 40px 0;
}

.sidebar-widget {
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.sidebar-widget h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.hot-list { list-style: none; }

.hot-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.hot-list li:last-child { border-bottom: none; }

.hot-list .rank {
  width: 20px;
  height: 20px;
  background: var(--dark3);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.hot-list li:nth-child(1) .rank { background: var(--primary); color: var(--text); }
.hot-list li:nth-child(2) .rank { background: #ff6b35; color: var(--text); }
.hot-list li:nth-child(3) .rank { background: var(--gold); color: #000; }

.hot-list a { color: var(--text-muted); }
.hot-list a:hover { color: var(--secondary); }

/* ===== 评论区 ===== */
.comment-section {
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  margin-top: 32px;
}

.comment-section h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}

.comment-item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.comment-item:last-of-type { border-bottom: none; }

.comment-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}

.comment-body { flex: 1; }

.comment-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.comment-name { font-size: 14px; font-weight: 600; color: var(--text); }
.comment-time { font-size: 12px; color: var(--text-muted); }
.comment-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== 加载动画 ===== */
.lazy-img {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lazy-img.loaded { opacity: 1; }

/* ===== 移动端汉堡菜单 ===== */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--dark2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px;
    gap: 4px;
  }
  
  .main-nav.open { display: flex; }
  
  .hero-slide { height: 280px; }
  .hero-title { font-size: 26px; }
  .hero-desc { font-size: 14px; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  
  .footer-grid { grid-template-columns: 1fr; }
  
  .page-hero h1 { font-size: 26px; }
  
  .search-bar-inner { flex-wrap: wrap; }
  .hot-tags { display: none; }
  
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
}

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

/* ===== 工具类 ===== */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text); }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-hot { background: rgba(240,82,82,0.11); color: var(--primary); }
.badge-new { background: rgba(13,139,216,0.11); color: var(--secondary); }
.badge-award { background: rgba(245,197,24,0.15); color: var(--gold); }

/* ===== 视频播放模态框 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal-content {
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 800px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: var(--dark3);
  border: none;
  border-radius: 50%;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}


body { background: var(--dark); color: var(--text); }
.site-header { box-shadow: 0 2px 14px rgba(23,43,77,.06); }
.main-nav a, .section-title h2, .video-title, .news-card-title, .news-card-title a, .expert-name, .review-name, .faq-q, .contact-card h3, .footer-col h4, .sidebar-widget h3, .comment-section h3, .comment-name { color: var(--text) !important; }
.search-bar-wrap { background: #f8fbfd; }
.search-form, .hot-tag, .tag, .btn-sm, .page-btn { background: #fff; }
.search-form input { color: var(--text); }
.hero-overlay { background: linear-gradient(to right, rgba(10,35,62,.9) 12%, rgba(13,50,83,.69) 46%, rgba(13,50,83,.08) 100%); }
.hero-title, .hero-desc { color: #fff !important; }
.hero-title span { color: #ffd1c9; }
.page-hero h1 { color: #fff !important; }
.page-hero p { color: rgba(255,255,255,.82) !important; }
.hero-tag, .title-tag, .video-badge, .btn-primary, .btn-sm.primary { color: #fff !important; }
.btn-outline { color: #fff !important; border-color: rgba(255,255,255,.7); }
.video-card, .news-card, .expert-card, .review-card, .faq-item, .partner-item, .contact-card, .sidebar-widget, .comment-section, .modal-content { box-shadow: 0 6px 22px rgba(24,55,86,.055); }
.video-thumb, .news-card-img { background: #dfeaf1; }
.video-duration { background: rgba(13,38,64,.82); }
.play-btn { background: rgba(240,82,82,.94); }
.news-cat { background: rgba(240,82,82,.1); color: var(--primary); }
.partner-item { color: var(--text-muted); }
.site-footer { background: #eef4f8; }
.footer-bottom, .site-footer { border-color: #d9e4ec; }
.footer-brand p, .footer-links a { color: var(--text-muted); }
.faq-q .arrow { background: #edf3f8; color: var(--text); }
.comment-avatar, .review-avatar { color: #fff !important; }
.qa-card { background: var(--dark2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; gap: 20px; transition: var(--transition); box-shadow: 0 6px 22px rgba(24,55,86,.055); }
.qa-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow); }
.qa-mark, .qa-answer-mark { display: inline-flex; align-items: center; justify-content: center; border-radius: 6px; font-size: 12px; font-weight: 800; flex-shrink: 0; }
.qa-mark { width: 28px; height: 28px; color: #fff; background: var(--primary); }
.qa-answer-mark { width: 24px; height: 24px; color: #fff; background: var(--secondary); }
.qa-summary { display: flex; gap: 10px; background: #f4f9fc; border: 1px solid #d7e8f2; border-radius: 8px; padding: 14px; }
.qa-summary p { color: var(--text-muted); font-size: 14px; line-height: 1.8; }
.qa-read-more { display: inline-block; color: var(--primary); font-size: 13px; font-weight: 700; margin-top: 12px; }
.qa-card-image { width: 152px; height: 112px; border-radius: 8px; overflow: hidden; flex: 0 0 152px; align-self: center; }
.qa-card-image img, .news-list-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.qa-card:hover .qa-card-image img, .news-list-item:hover .news-list-image img { transform: scale(1.05); }
.qa-detail-answer { background: #f7fbfe; border: 1px solid #d7e8f2; border-radius: 12px; padding: 22px; }
.qa-detail-head { display:flex; align-items:center; gap:10px; color:var(--text); margin-bottom:14px; }
.qa-detail-answer p { color: var(--text-muted); font-size: 15px; line-height: 1.95; }
.news-list-item { background: var(--dark2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; gap: 0; transition: var(--transition); box-shadow: 0 6px 22px rgba(24,55,86,.055); }
.news-list-item:hover { border-color: rgba(240,82,82,.45); transform: translateY(-2px); box-shadow: var(--shadow); }
.news-list-image { display:block; flex-shrink:0; width:200px; height:150px; overflow:hidden; }
.live-feature-card { background: var(--dark2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: left; box-shadow: 0 6px 22px rgba(24,55,86,.055); transition: var(--transition); }
.live-feature-card:hover { transform: translateY(-3px); border-color: var(--secondary); }
.feature-icon { width:42px; height:42px; display:flex; align-items:center; justify-content:center; border-radius:10px; background:#e5f2fa; color:var(--secondary); font-weight:900; margin-bottom:14px; }
.live-feature-card h3 { font-size:16px; color:var(--text); margin-bottom:8px; }
.live-feature-card p { color:var(--text-muted); font-size:13px; line-height:1.75; }
.live-feature-card a { display:inline-block; margin-top:14px; font-size:13px; color:var(--primary); font-weight:700; }
.topic-tile { position:relative; aspect-ratio:9/16; overflow:hidden; border-radius:var(--radius); border:1px solid var(--border); background:#dfeaf1; }
.topic-tile img { width:100%; height:100%; object-fit:cover; }
.topic-tile::after { content:''; position:absolute; inset:0; background:linear-gradient(to top,rgba(8,32,53,.86),transparent 65%); }
.topic-tile div { position:absolute; z-index:1; left:12px; right:12px; bottom:12px; color:#fff; }
.topic-tile span { display:block; font-size:11px; color:#ffd1c9; margin-bottom:5px; }
.topic-tile strong { display:block; font-size:14px; line-height:1.4; }
.topic-tile small { display:block; color:rgba(255,255,255,.7); margin-top:4px; font-size:11px; }
.mini-topic { background:var(--dark2); border:1px solid var(--border); border-radius:var(--radius); padding:16px; display:flex; gap:12px; align-items:center; }
.mini-topic-icon { color:#fff; background:var(--primary); width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; }
.mini-topic b { display:block; color:var(--text); font-size:14px; }.mini-topic span { display:block; color:var(--text-muted); font-size:12px; margin-top:3px; }
.guide-card { margin-top:40px; background:#e9f4fa; border:1px solid #d3e5ef; border-radius:var(--radius); padding:28px; }.guide-card h3 { font-size:18px; color:var(--text); margin-bottom:20px; }.guide-steps { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }.guide-steps div { text-align:center; }.guide-steps i { width:48px;height:48px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:18px;font-weight:900;color:#fff;margin:0 auto 10px; }.guide-steps h4 { font-size:14px;color:var(--text);margin-bottom:5px; }.guide-steps p { font-size:12px;color:var(--text-muted);line-height:1.6; }
.about-banner { background:linear-gradient(120deg,#173a5e,#2b7fae); color:#fff; border-radius:var(--radius); padding:32px; display:flex; align-items:center; justify-content:space-between; gap:24px; overflow:hidden; }.about-banner h3 { font-size:24px; color:#fff; margin:12px 0; }.about-banner p { max-width:540px; color:rgba(255,255,255,.78); margin-bottom:20px; }.about-banner img { width:128px; height:128px; object-fit:contain; background:#fff; border-radius:18px; padding:12px; }.about-step { color:var(--primary); font-weight:900; letter-spacing:1px; }
@media (max-width: 768px) { .qa-card { flex-direction:column; }.qa-card-image { width:100%; height:180px; flex-basis:auto; order:-1; }.news-list-item { flex-direction:column; }.news-list-image { width:100%; height:180px; }.guide-steps { grid-template-columns:repeat(2,1fr); }.about-banner { align-items:flex-start; }.about-banner img { width:88px; height:88px; } }
@media (max-width: 480px) { .guide-steps { grid-template-columns:1fr; } }