/* ============================================
   抖荫短视频 - 原创主题样式
   Brand: 抖荫短视频 | Domain: 855685.cn
   ============================================ */

/* --- CSS变量 --- */
:root {
  --primary: #E8336D;
  --primary-dark: #C0245A;
  --primary-light: #FF6B9D;
  --secondary: #FF8C42;
  --accent: #FFD166;
  --bg-dark: #1A0A14;
  --bg-card: #2A1220;
  --bg-section: #F9F0F4;
  --text-main: #1A0A14;
  --text-muted: #6B4A5A;
  --text-light: #F5E8EE;
  --border: #F0D0DC;
  --shadow: 0 4px 24px rgba(232,51,109,0.12);
  --shadow-hover: 0 8px 40px rgba(232,51,109,0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --gradient: linear-gradient(135deg, #E8336D 0%, #FF8C42 100%);
  --gradient-dark: linear-gradient(135deg, #1A0A14 0%, #2A1220 100%);
}

/* --- 重置与基础 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--text-main);
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
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); }

/* --- 工具类 --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  position: relative;
}
.section-title span { color: var(--primary); }
.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
}
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
  margin: 0.75rem auto 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232,51,109,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,51,109,0.45);
  color: #fff;
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(232,51,109,0.1);
  color: var(--primary);
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  vertical-align: middle;
}

/* --- 顶部公告栏 --- */
.top-bar {
  background: var(--gradient);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}
.top-bar a { color: #fff; text-decoration: underline; }

/* --- 导航栏 --- */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(232,51,109,0.08);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.navbar-brand img.site-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}
.navbar-brand .brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.navbar-nav a {
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--primary);
  background: rgba(232,51,109,0.08);
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- 搜索栏 --- */
.search-bar {
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
}
.search-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 50px;
  padding: 8px 18px;
  gap: 10px;
  transition: var(--transition);
}
.search-input-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,51,109,0.1);
}
.search-input-wrap svg { color: var(--text-muted); flex-shrink: 0; }
.search-input-wrap input {
  border: none;
  outline: none;
  flex: 1;
  font-size: 0.92rem;
  font-family: var(--font-main);
  color: var(--text-main);
  background: transparent;
}
.search-btn {
  background: var(--gradient);
  color: #fff;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.search-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.search-hot-tags {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 4px 20px 0;
}
.search-hot-tags a {
  color: var(--primary);
  margin: 0 4px;
  font-size: 0.8rem;
}

/* --- 英雄区 --- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center top;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26,10,20,0.92) 0%, rgba(26,10,20,0.5) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 60px 0;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,51,109,0.2);
  border: 1px solid rgba(232,51,109,0.4);
  color: var(--primary-light);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.hero h1 span { color: var(--primary-light); }
.hero-desc {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 3rem;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}
.hero-stat .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

/* --- 视频卡片 --- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: 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: var(--bg-dark);
}
.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); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn-icon {
  width: 56px;
  height: 56px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232,51,109,0.5);
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-btn-icon { transform: scale(1); }
.play-btn-icon svg { color: #fff; margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
}
.video-info { padding: 14px 16px 16px; }
.video-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.video-stats { display: flex; gap: 12px; align-items: center; }
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* --- 分区标题行 --- */
.section-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.section-row .section-title { margin-bottom: 0; }
.section-row .section-title::after { display: none; }

/* --- 特色分区 --- */
.features-section { padding: 80px 0; background: var(--bg-section); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(232,51,109,0.12) 0%, rgba(255,140,66,0.12) 100%);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.8rem;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- 专家展示 --- */
.experts-section { padding: 80px 0; }
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.expert-avatar {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: top;
}
.expert-info { padding: 20px; }
.expert-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.expert-title {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}
.expert-actions { display: flex; gap: 8px; justify-content: center; }

/* --- 合作品牌 --- */
.partners-section { padding: 60px 0; background: var(--bg-section); }
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}
.partner-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.partner-item:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* --- 用户评价 --- */
.reviews-section { padding: 80px 0; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.review-stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 12px; }
.review-text {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.8;
  margin-bottom: 16px;
  font-style: italic;
}
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.review-name { font-weight: 600; font-size: 0.9rem; }
.review-date { font-size: 0.75rem; color: var(--text-muted); }

/* --- FAQ --- */
.faq-section { padding: 80px 0; background: var(--bg-section); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(232,51,109,0.06);
  overflow: hidden;
  border: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question.active { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(232,51,109,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
}
.faq-question.active .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-answer.open { max-height: 300px; padding: 0 24px 18px; }

/* --- 联系我们 --- */
.contact-section { padding: 80px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.contact-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(232,51,109,0.1), rgba(255,140,66,0.1));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item-text strong { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-item-text span { font-size: 0.95rem; font-weight: 500; }
.qr-codes { display: flex; gap: 20px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-item img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid var(--border);
}
.qr-item p { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

/* --- How-To加入 --- */
.join-section { padding: 80px 0; background: var(--bg-dark); }
.join-section .section-title { color: #fff; }
.join-section .section-subtitle { color: rgba(255,255,255,0.6); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  counter-increment: step;
}
.step-card:hover {
  background: rgba(232,51,109,0.15);
  border-color: rgba(232,51,109,0.4);
  transform: translateY(-4px);
}
.step-num {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 1rem;
}
.step-card h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 0.75rem; }
.step-card p { color: rgba(255,255,255,0.6); font-size: 0.85rem; line-height: 1.7; }

/* --- 社交分享 --- */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
}
.share-wechat { background: #07C160; color: #fff; }
.share-weibo { background: #E6162D; color: #fff; }
.share-douyin { background: #000; color: #fff; }
.share-bilibili { background: #00A1D6; color: #fff; }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); color: #fff; }

/* --- 面包屑 --- */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* --- 页脚 --- */
footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  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(255,255,255,0.08);
}
.footer-brand img { height: 40px; margin-bottom: 16px; filter: brightness(1.2); }
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--primary-light); }
.footer-qr {
  display: flex;
  gap: 20px;
  margin-top: 10px;
}
.footer-qr-item { text-align: center; }
.footer-qr-item img {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
}
.footer-qr-item p { font-size: 0.72rem; color: rgba(255,255,255,0.45); margin-top: 5px; }

/* --- 分区间距 --- */
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }

/* --- 视频播放模态框 --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 900px;
  width: 90%;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}
.modal-close:hover { background: var(--primary); }
.modal-video { width: 100%; aspect-ratio: 16/9; background: #111; }

/* --- 内页Banner --- */
.page-banner {
  background: var(--gradient-dark);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-banner.jpg') center/cover no-repeat;
  opacity: 0.15;
}
.page-banner-content { position: relative; z-index: 1; }
.page-banner h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}
.page-banner p { color: rgba(255,255,255,0.65); font-size: 1rem; }

/* --- 侧边栏 --- */
.sidebar-widget {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  color: var(--text-main);
}
.sidebar-widget h3 span { color: var(--primary); }

/* --- 动漫/娱乐专区 --- */
.entertainment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.ent-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3/4;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.ent-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.ent-card:hover img { transform: scale(1.08); }
.ent-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(26,10,20,0.9));
  padding: 30px 14px 14px;
}
.ent-card-title {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.ent-card-tag { font-size: 0.72rem; color: var(--primary-light); }

/* --- AI赋能区 --- */
.ai-section { padding: 80px 0; background: var(--bg-dark); }
.ai-section .section-title { color: #fff; }
.ai-section .section-subtitle { color: rgba(255,255,255,0.6); }
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}
.ai-card:hover {
  background: rgba(232,51,109,0.12);
  border-color: rgba(232,51,109,0.35);
  transform: translateY(-4px);
}
.ai-card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.ai-card h3 { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; }
.ai-card p { color: rgba(255,255,255,0.55); font-size: 0.87rem; line-height: 1.7; }

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

@media (max-width: 768px) {
  .navbar-nav { display: none; }
  .navbar-toggle { display: flex; }
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    z-index: 999;
  }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  .section-title { font-size: 1.6rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .ai-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-banner h1 { font-size: 1.7rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero { min-height: 420px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-actions { flex-direction: column; }
  .video-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
}

/* --- 加载动画 --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }

/* --- 滚动条美化 --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* --- 视频播放器样式 --- */
.video-player-wrap {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
}
.video-player-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1A0A14, #2A1220);
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  gap: 12px;
}
.video-placeholder .big-play {
  width: 72px;
  height: 72px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.video-placeholder .big-play:hover { transform: scale(1.1); }
.video-placeholder .big-play svg { color: #fff; margin-left: 4px; }

/* --- 热门标签云 --- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  display: inline-block;
  padding: 5px 14px;
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.tag-cloud a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* --- 统计数字 --- */
.stats-bar {
  background: var(--gradient);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item .num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  display: block;
}
.stat-item .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  margin-top: 4px;
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ============================================
   抖荫短视频 - 补充样式（v2.0 SEO/EEAT增强）
   855685.cn
   ============================================ */

/* --- 导航下拉菜单 --- */
.has-dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border: 1px solid var(--border);
  padding: 8px 0;
  z-index: 200;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: block;
  padding: 9px 18px;
  font-size: 0.88rem;
  color: var(--text-main);
  white-space: nowrap;
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--bg-section);
  color: var(--primary);
  padding-left: 24px;
}

/* --- 返回顶部按钮（外部CSS版） --- */
.back-top-btn {
  position: fixed;
  bottom: 30px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 16px rgba(232,51,109,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
  border: none;
  cursor: pointer;
}
.back-top-btn.visible { opacity: 1; pointer-events: all; }
.back-top-btn:hover { transform: translateY(-3px); }

/* --- EEAT认证徽章 --- */
.footer-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}
.cert-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
}

/* --- 友情链接 --- */
.footer-links {
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 16px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.footer-links a {
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); }

/* --- 模态框H5 video元素 --- */
.modal-video-el {
  width: 100%;
  height: 100%;
  display: none;
  background: #000;
}
.modal-video-el.show { display: block; }
.modal-video-title {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  text-align: center;
  max-width: 80%;
}
.modal-video-tags {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.modal-video-tags span {
  padding: 3px 10px;
  background: rgba(232,51,109,0.3);
  border-radius: 12px;
  font-size: 0.72rem;
  color: var(--primary-light);
}

/* --- 视频卡片：增强视频属性描述区 --- */
.video-desc-row {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-tags-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.video-tags-row .vtag {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: var(--bg-section);
  border-radius: 10px;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* --- 写真专区卡片 --- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.photo-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.photo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.photo-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.photo-card:hover img { transform: scale(1.06); }
.photo-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 14px 14px;
  background: linear-gradient(transparent, rgba(26,10,20,0.92));
}
.photo-card-title {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.photo-card-meta {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
}
.photo-card .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: var(--transition);
}
.photo-card:hover .play-btn { opacity: 1; }

/* --- 福利姬影像专区 --- */
.welfare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.welfare-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.welfare-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.welfare-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.welfare-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.welfare-card:hover .welfare-card-thumb img { transform: scale(1.06); }
.welfare-card-body { padding: 16px; }
.welfare-card-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.welfare-card-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}
.welfare-card-stats {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- MV拍摄/幕后花絮页 --- */
.mv-hero {
  background: linear-gradient(135deg, #0A0A1E, #1A0A2E);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.mv-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-banner.jpg') center/cover no-repeat;
  opacity: 0.12;
}
.mv-hero-content { position: relative; z-index: 1; }
.mv-hero h1 { color: #fff; font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; }
.mv-hero p { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 600px; margin: 0 auto 2rem; }

/* --- 内容更新时间标注（百度时效性信号） --- */
.update-time-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-section);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.update-time-badge::before {
  content: '🕐';
  font-size: 0.75rem;
}

/* --- 文章/视频内容区EEAT作者信息 --- */
.author-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-section);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
  margin: 20px 0;
}
.author-avatar-sm {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.author-info-sm { flex: 1; }
.author-name-sm { font-size: 0.92rem; font-weight: 700; color: var(--text-main); }
.author-role-sm { font-size: 0.78rem; color: var(--primary); }

/* --- 百度移动端优化：触摸目标最小44px --- */
@media (max-width: 768px) {
  .navbar-nav.open { display: flex; }
  .dropdown-menu { position: static; box-shadow: none; border: none; padding: 0 0 0 16px; }
  .has-dropdown:hover .dropdown-menu { display: none; }
  .has-dropdown.open .dropdown-menu { display: block; }
  .footer-links { display: none; }
  .footer-certs { gap: 6px; }
  .cert-badge { font-size: 0.7rem; padding: 3px 8px; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .welfare-grid { grid-template-columns: 1fr; }
  .mv-hero h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .modal-box { width: 96%; }
}

/* ============================================
   新增页面补充样式
   抖荫短视频 | 855685.cn
   ============================================ */

/* --- 写真专区 photo-grid --- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.photo-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
}
.photo-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.photo-card:hover img { transform: scale(1.06); }
.photo-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(to top, rgba(26,10,20,0.92) 0%, transparent 100%);
}
.photo-card-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.photo-card-meta {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.65);
}

/* --- 福利姬影像 welfare-grid --- */
.welfare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.welfare-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.welfare-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.welfare-card-thumb {
  position: relative;
  overflow: hidden;
}
.welfare-card-thumb img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.welfare-card:hover .welfare-card-thumb img { transform: scale(1.05); }
.welfare-card-body {
  padding: 16px;
}
.welfare-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.welfare-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.welfare-card-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- 视频描述行 --- */
.video-desc-row {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 6px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- 视频标签行 --- */
.video-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}
.vtag {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: var(--bg-section);
  color: var(--primary);
  border-radius: 20px;
  border: 1px solid var(--border);
  font-weight: 500;
}

/* --- 合作伙伴区 --- */
.partners-section {
  padding: 60px 0;
  background: var(--bg-section);
}
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 2rem;
}
.partner-item {
  padding: 10px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}
.partner-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow);
}

/* --- 用户评价区 --- */
.reviews-section {
  padding: 80px 0;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.review-stars {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.review-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* --- 娱乐专区卡片 --- */
.entertainment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ent-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
}
.ent-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.ent-card:hover img { transform: scale(1.06); }
.ent-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(to top, rgba(26,10,20,0.9) 0%, transparent 100%);
}
.ent-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.ent-card-tag {
  font-size: 0.72rem;
  color: var(--primary-light);
}

/* --- AI赋能区 --- */
.ai-section {
  padding: 80px 0;
  background: var(--gradient-dark);
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.ai-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary-light);
  transform: translateY(-4px);
}
.ai-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.ai-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.ai-card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

/* --- 统计数据栏 --- */
.stats-bar {
  background: var(--gradient);
  padding: 20px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.stat-item .num {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
}
.stat-item .label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
}

/* --- 面包屑样式 --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
}
.breadcrumb li::after {
  content: '›';
  color: rgba(255,255,255,0.4);
}
.breadcrumb li:last-child::after { display: none; }
.breadcrumb li a {
  color: rgba(255,255,255,0.75);
  transition: var(--transition);
}
.breadcrumb li a:hover { color: #fff; }
.breadcrumb li[aria-current="page"] { color: #fff; font-weight: 600; }

/* --- 页面Banner --- */
.page-banner {
  background: var(--gradient-dark);
  padding: 60px 0 40px;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-banner.jpg') center/cover no-repeat;
  opacity: 0.08;
}
.page-banner-content {
  position: relative;
  z-index: 1;
}
.page-banner h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.page-banner p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
}

/* --- 侧边栏 --- */
.sidebar-widget {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}
.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.sidebar-widget h3 span { color: var(--primary); }
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-cloud a {
  font-size: 0.78rem;
  padding: 4px 10px;
  background: var(--bg-section);
  color: var(--text-muted);
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.tag-cloud a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* --- tag样式 --- */
.tag {
  display: inline-block;
  font-size: 0.78rem;
  padding: 4px 10px;
  background: var(--bg-section);
  color: var(--text-muted);
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.tag:hover, .tag-active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* --- 专家区 --- */
.experts-section {
  padding: 80px 0;
  background: #fff;
}
.experts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.expert-card {
  background: var(--bg-section);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.expert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--primary);
}
.expert-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.expert-title {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.expert-actions { display: flex; justify-content: center; }

/* --- 响应式补充 --- */
@media (max-width: 1024px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-grid { grid-template-columns: repeat(3, 1fr); }
  .welfare-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .entertainment-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .reviews-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { grid-template-columns: 1fr; }
  .entertainment-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-banner h1 { font-size: 1.6rem; }
  .author-bar { flex-wrap: wrap; }
  /* 主内容+侧边栏 → 单列 */
  .section-pad .container > div[style*="grid-template-columns:1fr 280px"],
  .section-pad .container > div[style*="grid-template-columns:1fr 300px"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .entertainment-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}