/* =============================================
   在线看片 - 主样式文件
   官网：bdwawt.cn
   百度SEO EEAT最佳实践版本
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --primary:    #0d1b2a;
  --accent:     #00c9a7;
  --accent2:    #ff6b9d;
  --accent3:    #7c5cbf;
  --bg-dark:    #0a0f1e;
  --bg-card:    #111827;
  --bg-card2:   #1a2236;
  --text-main:  #e8eaf6;
  --text-muted: #8892a4;
  --text-bright:#ffffff;
  --border:     rgba(0,201,167,0.18);
  --shadow:     0 4px 32px rgba(0,201,167,0.10);
  --radius:     14px;
  --radius-sm:  8px;
  --transition: 0.28s cubic-bezier(.4,0,.2,1);
  --font-main:  'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-title: 'PingFang SC','Microsoft YaHei',sans-serif;
}

/* ---- Reset & Base ---- */
*, *::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-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent2); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: var(--font-main); }
strong { font-weight: 700; }

/* ---- 无障碍跳转链接（百度移动端友好） ---- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  font-size: 0.85rem;
  border-radius: 0 0 8px 0;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent3); border-radius: 3px; }

/* ---- 容器 ---- */
.container    { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 900px;  margin: 0 auto; padding: 0 20px; }

/* =============================================
   顶部公告栏
   ============================================= */
.top-bar {
  background: linear-gradient(90deg, var(--accent3) 0%, var(--accent) 100%);
  color: #fff;
  text-align: center;
  font-size: 0.82rem;
  padding: 7px 20px;
  letter-spacing: 0.03em;
}
.top-bar a { color: #fff; font-weight: 600; text-decoration: underline; }

/* =============================================
   导航栏
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,15,30,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  box-shadow: 0 0 18px rgba(0,201,167,0.4);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 1.25rem; font-weight: 800; color: var(--text-bright); }
.logo-sub  { font-size: 0.68rem; color: var(--accent); letter-spacing: 0.08em; }

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--accent);
  background: rgba(0,201,167,0.10);
}

/* 搜索框 */
.search-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 14px;
  gap: 8px;
  min-width: 190px;
  transition: border-color var(--transition);
}
.search-wrap:focus-within { border-color: var(--accent); }
.search-wrap input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.88rem;
  padding: 8px 0;
  width: 100%;
}
.search-wrap input::placeholder { color: var(--text-muted); }
.search-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  display: flex;
  align-items: center;
}

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

/* 移动端菜单 */
.mobile-menu {
  display: none;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 16px 20px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 10px 0;
  color: var(--text-main);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.mobile-menu a:last-child { border-bottom: none; }

/* =============================================
   面包屑导航（百度SEO必须有）
   ============================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--accent); }

/* =============================================
   内页Hero
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card2) 100%);
  border-bottom: 1px solid var(--border);
  padding: 52px 0 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,201,167,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--text-bright);
  margin-bottom: 12px;
}
.page-hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* =============================================
   Hero Banner
   ============================================= */
.hero-section {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  filter: brightness(0.45);
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,15,30,0.92) 0%, rgba(10,15,30,0.5) 60%, transparent 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,201,167,0.15);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--text-bright);
  line-height: 1.2;
  margin-bottom: 18px;
}
.hero-title span { color: var(--accent); }
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 500px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  color: #fff;
  padding: 13px 28px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,201,167,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,201,167,0.5); color: #fff; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-bright);
  padding: 12px 26px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-sm.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  color: #fff;
}
.btn-sm.outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-sm.outline:hover { border-color: var(--accent); color: var(--accent); }

/* 统计数字 */
.hero-stats { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
.stat-item { text-align: left; }
.stat-num  { font-size: 1.8rem; font-weight: 900; color: var(--accent); line-height: 1; }
.stat-label{ font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* =============================================
   通用区块
   ============================================= */
.section    { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  background: rgba(0,201,167,0.12);
  color: var(--accent);
  border: 1px solid rgba(0,201,167,0.3);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 12px;
}
.section-title span { color: var(--accent); }
.section-desc { color: var(--text-muted); font-size: 0.98rem; max-width: 560px; margin: 0 auto; }

/* =============================================
   视频卡片（H5+JS实现hover播放按钮）
   ============================================= */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,201,167,0.18);
  border-color: rgba(0,201,167,0.4);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0d1b2a;
}
.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); }
/* 播放按钮：鼠标移动过去显示播放按钮（H5+JS实现） */
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,201,167,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform var(--transition);
  box-shadow: 0 0 30px rgba(0,201,167,0.6);
}
.video-card:hover .play-btn-icon { transform: scale(1); }
.play-btn-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 18px solid #fff;
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--accent2);
  color: #fff;
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.video-info { padding: 16px; }
.video-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-bright);
  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: var(--text-muted);
}
.video-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* =============================================
   功能模块卡片
   ============================================= */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent3));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(0,201,167,0.3); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.feature-icon.cyan   { background: rgba(0,201,167,0.15); }
.feature-icon.pink   { background: rgba(255,107,157,0.15); }
.feature-icon.purple { background: rgba(124,92,191,0.15); }
.feature-icon.orange { background: rgba(255,165,0,0.15); }
.feature-title { font-size: 1.05rem; font-weight: 700; color: var(--text-bright); margin-bottom: 8px; }
.feature-desc  { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* =============================================
   专家展示（EEAT：专业性、权威性）
   ============================================= */
.experts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.expert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.expert-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 3px solid var(--accent);
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0,201,167,0.3);
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-name { font-size: 1.1rem; font-weight: 700; color: var(--text-bright); margin-bottom: 4px; }
.expert-role { font-size: 0.82rem; color: var(--accent); margin-bottom: 12px; }
.expert-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.tag {
  background: rgba(124,92,191,0.15);
  color: var(--accent3);
  border: 1px solid rgba(124,92,191,0.3);
  border-radius: 12px;
  padding: 3px 10px;
  font-size: 0.72rem;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }

/* =============================================
   用户评论（EEAT：真实性、可信度）
   ============================================= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
}
.review-card::before {
  content: '"';
  position: absolute;
  top: 14px; right: 20px;
  font-size: 4rem;
  color: rgba(0,201,167,0.1);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.review-stars { color: #ffd700; font-size: 0.95rem; 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: 12px; }
.review-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 600; color: var(--text-bright); }
.review-date { font-size: 0.75rem; color: var(--text-muted); }

/* =============================================
   FAQ（百度SEO结构化数据FAQPage）
   ============================================= */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--accent); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-bright);
  user-select: none;
  gap: 12px;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 22px;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 22px 18px; }
.faq-answer p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }

/* =============================================
   How-To步骤（百度SEO HowTo结构化数据）
   ============================================= */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step-counter;
}
.howto-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}
.howto-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.howto-icon { font-size: 2.2rem; margin-bottom: 14px; }
.howto-title { font-size: 1rem; font-weight: 700; color: var(--text-bright); margin-bottom: 8px; }
.howto-desc  { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; }

/* =============================================
   联系方式
   ============================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-title { font-size: 1.05rem; font-weight: 700; color: var(--text-bright); margin-bottom: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 3px; }
.contact-value { font-size: 0.88rem; color: var(--text-bright); }
.contact-value a { color: var(--accent); }

/* =============================================
   合作品牌
   ============================================= */
.partners-section { padding: 48px 0; background: var(--bg-card); border-top: 1px solid var(--border); }
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.partner-logo {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}
.partner-logo:hover { border-color: var(--accent); color: var(--accent); }

/* =============================================
   分类标签
   ============================================= */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.cat-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 7px 18px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}
.cat-tab:hover, .cat-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* =============================================
   工具卡片
   ============================================= */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition);
}
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.tool-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,201,167,0.2), rgba(124,92,191,0.2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}
.tool-info h3 { font-size: 1rem; font-weight: 700; color: var(--text-bright); margin-bottom: 6px; }
.tool-info p  { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; }
.tool-badge {
  display: inline-block;
  background: rgba(255,107,157,0.15);
  color: var(--accent2);
  border-radius: 10px;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-top: 8px;
}

/* =============================================
   QR码
   ============================================= */
.qr-grid { display: flex; gap: 14px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-box {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  display: inline-block;
}
.qr-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 6px; }

/* =============================================
   分享栏
   ============================================= */
.share-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.share-label { font-size: 0.82rem; color: var(--text-muted); }
.share-btn {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all var(--transition);
  background: var(--bg-card2);
  color: var(--text-muted);
}
.share-btn:hover { border-color: var(--accent); color: var(--accent); }
.share-btn.weibo:hover   { border-color: #e6162d; color: #e6162d; }
.share-btn.wechat:hover  { border-color: #07c160; color: #07c160; }
.share-btn.douyin:hover  { border-color: #fe2c55; color: #fe2c55; }
.share-btn.bilibili:hover{ border-color: #00a1d6; color: #00a1d6; }

/* =============================================
   页脚
   ============================================= */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-wrap { margin-bottom: 16px; }
.footer-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.8; }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.social-icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-icon:hover { border-color: var(--accent); color: var(--accent); }
.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.83rem; color: var(--text-muted); 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: 0.8rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }

/* =============================================
   通知弹窗
   ============================================= */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 440px;
  width: 90%;
  text-align: center;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 14px; right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}
.modal-title { font-size: 1.2rem; font-weight: 700; color: var(--text-bright); margin-bottom: 12px; }
.modal-desc  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* =============================================
   响应式（百度移动端权重高，必须完善）
   ============================================= */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .search-wrap { min-width: 140px; }
  .hero-section { min-height: 420px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}
@media (max-width: 560px) {
  .container { padding: 0 14px; }
  .hero-content { padding: 40px 0; }
  .hero-btns { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr; }
  .header-inner { gap: 12px; }
  .search-wrap { min-width: 100px; }
  .hero-title { font-size: 1.8rem; }
  .page-hero h1 { font-size: 1.5rem; }
}

/* =============================================
   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-fade-up { animation: fadeInUp 0.6s ease both; }
.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: #ff4444;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
  margin-right: 5px;
}

/* =============================================
   懒加载占位
   ============================================= */
.lazy-img {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card2) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =============================================
   弹幕样式（在线看片社区互动）
   ============================================= */
.danmaku-wrap {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 60px;
  overflow: hidden;
  margin-top: 16px;
}
.danmaku-item {
  position: absolute;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--accent);
  top: 50%;
  transform: translateY(-50%);
  animation: danmaku linear infinite;
}
@keyframes danmaku {
  from { left: 100%; }
  to   { left: -100%; }
}