/* =============================================
   抖阴 - 全站主样式
   Brand: 抖阴 | Domain: yt56626.cn
   ============================================= */

/* ---- CSS变量 / 原创配色方案 ---- */
:root {
  --primary:       #1c1a5e;   /* 深靛蓝 */
  --primary-light: #2d2b8a;
  --accent:        #ff4d4d;   /* 珊瑚红 */
  --accent2:       #ff8c42;   /* 暖橙 */
  --cyan:          #00d4e8;   /* 青色高亮 */
  --bg-dark:       #0d0c2b;
  --bg-card:       #16153a;
  --bg-light:      #f5f4ff;
  --text-main:     #1a1a2e;
  --text-muted:    #6b6b8a;
  --text-light:    #ffffff;
  --border:        rgba(255,255,255,0.08);
  --shadow:        0 4px 24px rgba(28,26,94,0.18);
  --radius:        12px;
  --radius-sm:     6px;
  --transition:    0.3s ease;
  --font-main:     'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}

/* ---- 重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-main); }

/* ---- 布局容器 ---- */
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-primary { background: var(--primary); color: var(--text-light); }
.section-gradient {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 60%, #2d1a5e 100%);
  color: var(--text-light);
}

/* ---- 标题系统 ---- */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.section-dark .section-subtitle,
.section-primary .section-subtitle,
.section-gradient .section-subtitle { color: rgba(255,255,255,0.65); }
.title-accent { color: var(--accent); }
.title-line {
  display: inline-block;
  position: relative;
}
.title-line::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 60%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
}

/* ---- 顶部导航 ---- */
#site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(13,12,43,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
#site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.4); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img {
  height: 42px;
  width: auto;
}
.site-logo .logo-text {
  font-size: 1.4rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.5px;
}
.site-logo .logo-text span { color: var(--accent); }

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(255,77,77,0.18);
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  min-width: 200px;
  transition: all var(--transition);
}
.header-search:focus-within {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
}
.header-search input {
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-size: 0.88rem;
  width: 100%;
  font-family: var(--font-main);
}
.header-search input::placeholder { color: rgba(255,255,255,0.4); }
.header-search .search-icon {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* 汉堡菜单 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- 搜索栏（导航下方） ---- */
.search-bar-section {
  background: var(--primary);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.search-bar-inner {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
}
.search-bar-inner input {
  flex: 1;
  padding: 10px 18px;
  border-radius: 24px 0 0 24px;
  border: 2px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  font-family: var(--font-main);
  transition: border-color var(--transition);
}
.search-bar-inner input::placeholder { color: rgba(255,255,255,0.5); }
.search-bar-inner input:focus { border-color: var(--accent); }
.search-bar-inner button {
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  border-radius: 0 24px 24px 0;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--transition);
  white-space: nowrap;
}
.search-bar-inner button:hover { background: var(--accent2); }

/* ---- Hero Banner ---- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  filter: blur(1px);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,12,43,0.95) 0%, rgba(13,12,43,0.6) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,77,77,0.2);
  border: 1px solid rgba(255,77,77,0.4);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,77,77,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,77,77,0.5);
  color: #fff;
}
.btn-outline {
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
}
.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(255,77,77,0.1);
  color: #fff;
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-cyan {
  background: var(--cyan);
  color: var(--bg-dark);
  font-weight: 700;
}
.btn-cyan:hover { background: #00bcd4; color: var(--bg-dark); }

/* ---- 动漫视频卡片 ---- */
.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;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--border);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0a0920;
}
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.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(255,77,77,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,77,77,0.5);
  transition: transform var(--transition);
}
.video-card:hover .play-icon { transform: scale(1.1); }
.video-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.video-duration {
  position: absolute;
  bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 4px;
}
.video-info { padding: 14px 16px 16px; }
.video-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  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: rgba(255,255,255,0.45);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tag {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.55);
}
.tag-anime { background: rgba(0,212,232,0.15); color: var(--cyan); }
.tag-hot { background: rgba(255,77,77,0.15); color: var(--accent); }

/* ---- 统计数字 ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
}
.stat-item { padding: 24px 16px; }
.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 0.88rem; color: rgba(255,255,255,0.6); }

/* ---- 专家卡片 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(28,26,94,0.2);
}
.expert-avatar {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  max-height: 200px;
}
.expert-body { padding: 20px 16px 24px; }
.expert-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--primary);
}
.expert-role {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.expert-awards { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.award-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  background: var(--bg-light);
  border: 1px solid rgba(28,26,94,0.15);
  border-radius: 4px;
  color: var(--primary);
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.expert-btns .btn { padding: 7px 14px; font-size: 0.8rem; }

/* ---- AI赋能模块 ---- */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.ai-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0,212,232,0.15);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}
.ai-card:hover {
  background: rgba(0,212,232,0.06);
  border-color: rgba(0,212,232,0.4);
  transform: translateY(-3px);
}
.ai-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--cyan), #0080ff);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.ai-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.ai-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ---- 合作品牌 ---- */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-logo {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 14px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
  min-width: 120px;
  text-align: center;
}
.partner-logo:hover {
  background: rgba(255,77,77,0.1);
  border-color: rgba(255,77,77,0.3);
  color: #fff;
}

/* ---- 社区功能 ---- */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.community-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.community-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: var(--accent);
  transform: translateY(-3px);
}
.community-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
  display: block;
}
.community-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.community-card p {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid rgba(28,26,94,0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  background: #fff;
  transition: background var(--transition);
  color: var(--primary);
}
.faq-question:hover { background: var(--bg-light); }
.faq-question.open { background: var(--primary); color: #fff; }
.faq-arrow {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(28,26,94,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: transform var(--transition), background var(--transition);
  flex-shrink: 0;
}
.faq-question.open .faq-arrow {
  transform: rotate(180deg);
  background: rgba(255,255,255,0.2);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: #fff;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-answer.open {
  max-height: 400px;
  padding: 14px 20px 18px;
}

/* ---- 用户评价 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
  transition: transform var(--transition);
}
.review-card:hover { transform: translateY(-3px); }
.review-stars { color: #ffc107; font-size: 1rem; margin-bottom: 10px; }
.review-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 600; color: var(--primary); }
.review-date { font-size: 0.75rem; color: var(--text-muted); }

/* ---- 联系我们 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 36px; height: 36px;
  background: rgba(255,77,77,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-text { font-size: 0.9rem; color: rgba(255,255,255,0.75); line-height: 1.6; }
.contact-text strong { color: #fff; display: block; margin-bottom: 2px; }

/* QR码区域 */
.qr-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.qr-item { text-align: center; }
.qr-box {
  width: 120px; height: 120px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  overflow: hidden;
}
.qr-box img { width: 100%; height: 100%; object-fit: contain; }
.qr-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); }

/* ---- 社交分享 ---- */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.share-label { font-size: 0.88rem; color: rgba(255,255,255,0.6); }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
}
.share-btn:hover { transform: translateY(-2px); color: #fff; }
.share-wechat { background: #07c160; border-color: #07c160; }
.share-weibo  { background: #e6162d; border-color: #e6162d; }
.share-douyin { background: #010101; border-color: #69c9d0; }
.share-bilibili { background: #00a1d6; border-color: #00a1d6; }

/* ---- How-To加入社区（修复伪元素flex居中） ---- */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.howto-step {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 36px 20px 28px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
  margin-top: 14px;
}
.howto-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.howto-icon { font-size: 2rem; margin-bottom: 12px; display: block; }
.howto-step h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.howto-step p { font-size: 0.84rem; color: rgba(255,255,255,0.55); line-height: 1.6; }

/* ---- 面包屑（深色背景下可见） ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.6);
  padding: 12px 0;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: rgba(255,255,255,0.35); }

/* ---- 页脚 ---- */
#site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 0;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .site-logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--accent); }

/* ---- 内页Banner ---- */
.page-banner {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
  padding: 56px 0;
  text-align: center;
  color: #fff;
}
.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 10px;
}
.page-banner p {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
}

/* ---- 内容更新时间标记（EEAT时效性） ---- */
.content-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.content-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.content-meta .meta-item strong { color: var(--primary); }

/* ---- 资质/认证徽章（EEAT权威性） ---- */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-light);
  border: 1px solid rgba(28,26,94,0.15);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.84rem;
  color: var(--primary);
  font-weight: 600;
}
.cert-badge .cert-icon { font-size: 1.2rem; }

/* ---- 编辑政策区块（EEAT可信度） ---- */
.editorial-box {
  background: linear-gradient(135deg, rgba(28,26,94,0.05), rgba(255,77,77,0.04));
  border: 1px solid rgba(28,26,94,0.12);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 28px 32px;
}
.editorial-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.editorial-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 10px;
}
.editorial-box ul {
  list-style: disc;
  padding-left: 20px;
}
.editorial-box ul li {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 4px;
}

/* ---- 回到顶部按钮 ---- */
#back-to-top {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px; height: 44px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(255,77,77,0.4);
  z-index: 999;
  transition: all var(--transition);
}
#back-to-top:hover {
  background: var(--accent2);
  transform: translateY(-3px);
}

/* ---- 通用工具类 ---- */
.text-center { text-align: center; }
.text-white { color: #fff; }
.text-accent { color: var(--accent); }
.text-cyan { color: var(--cyan); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ---- 动画 ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.6; }
}
.animate-fadeup { animation: fadeInUp 0.6s ease both; }
.animate-pulse  { animation: pulse 2s ease infinite; }

/* ---- 移动端响应式 ---- */
@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;
    flex-direction: column;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--bg-dark);
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 0; border-bottom: 1px solid var(--border); border-radius: 0; }
  .menu-toggle { display: flex; }
  .header-search { display: none; }
  .hero { min-height: 380px; }
  .hero h1 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  /* 娱乐专区/生活技能等双栏布局移动端折叠 */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .expert-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 48px 0; }
  /* 修复娱乐专区内联grid在移动端 */
  [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}
@media (max-width: 480px) {
  .expert-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn { justify-content: center; }
  .howto-steps { grid-template-columns: 1fr 1fr; }
}

/* ---- 懒加载占位 ---- */
img[data-src] { opacity: 0; transition: opacity 0.4s; }
img.loaded { opacity: 1; }

/* ---- 滚动条美化 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---- page-banner内content-meta文字白色修复 ---- */
.page-banner .content-meta { color: rgba(255,255,255,0.75); }
.page-banner .content-meta .meta-item strong { color: rgba(255,255,255,0.95); }
.page-banner .content-meta time { color: var(--cyan); }

/* ---- 面包屑在深色背景下可见性修复 ---- */
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span:not(.sep) { color: rgba(255,255,255,0.55); }
.breadcrumb .sep { color: rgba(255,255,255,0.35); margin: 0 6px; }

/* ---- 顶部公告栏 ---- */
.top-notice {
  background: linear-gradient(90deg, var(--primary), #2d1a5e);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  text-align: center;
  padding: 6px 20px;
  letter-spacing: 0.3px;
}
.top-notice a { color: var(--cyan); font-weight: 600; }

/* ---- 首页锚点快速导航 ---- */
.quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  padding: 16px 0;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
}
.quick-nav a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.12);
  transition: all var(--transition);
}
.quick-nav a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(255,77,77,0.08);
}

/* ---- 视频卡片hover播放按钮增强 ---- */
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: background var(--transition);
  opacity: 0;
}
.video-thumb:hover .video-play-btn {
  opacity: 1;
  background: rgba(0,0,0,0.45);
}
.play-icon {
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  transform: scale(0.85);
  transition: transform var(--transition);
  box-shadow: 0 4px 20px rgba(255,77,77,0.5);
}
.video-thumb:hover .play-icon { transform: scale(1); }