/* ================================================
   高清3D动漫 - 主样式文件
   Domain: awsc6o.cn
   原创主题：活力橙红 × 深海蓝
   ================================================ */

/* ---- CSS 变量 ---- */
:root {
  --primary: #FF6B35;
  --primary-dark: #E55A25;
  --secondary: #004E89;
  --secondary-light: #0066B3;
  --accent: #F77F00;
  --bg-main: #FAFAFA;
  --bg-dark: #0D1117;
  --bg-card: #FFFFFF;
  --text-dark: #1A1A1A;
  --text-muted: #666666;
  --text-light: #999999;
  --border: #E8E8E8;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
}

/* ---- 全局重置 ---- */
*, *::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-main);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- 容器 ---- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }

/* ---- 通用标题 ---- */
.sec-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.3;
}
.sec-title span { color: var(--primary); }
.sec-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.sec-head { text-align: center; margin-bottom: 50px; }

/* ---- 按钮 ---- */
.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);
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,53,0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,53,0.45);
}
.btn-secondary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,78,137,0.25);
}
.btn-secondary:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ---- 标签 ---- */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255,107,53,0.1);
  color: var(--primary);
}
.tag-blue {
  background: rgba(0,78,137,0.1);
  color: var(--secondary);
}
.tag-accent {
  background: rgba(247,127,0,0.1);
  color: var(--accent);
}

/* ================================================
   HEADER / 导航
   ================================================ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 68px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
}
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.logo-text em {
  color: var(--secondary);
  font-style: normal;
}

/* 主导航 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.main-nav a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  white-space: nowrap;
  transition: var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,107,53,0.1);
  color: var(--primary);
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: var(--bg-main);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  overflow: hidden;
  transition: var(--transition);
  flex-shrink: 0;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}
.header-search input {
  border: none;
  background: transparent;
  padding: 8px 16px;
  font-size: 0.88rem;
  width: 200px;
  outline: none;
  font-family: inherit;
  color: var(--text-dark);
}
.header-search button {
  padding: 8px 14px;
  background: var(--primary);
  color: #fff;
  transition: var(--transition);
}
.header-search button:hover { background: var(--primary-dark); }

/* 移动端汉堡 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle:hover { background: rgba(255,107,53,0.1); }

/* ================================================
   HERO 英雄区
   ================================================ */
.hero-section {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.5;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,17,23,0.85) 0%, rgba(0,78,137,0.6) 50%, rgba(255,107,53,0.2) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,107,53,0.2);
  border: 1px solid rgba(255,107,53,0.4);
  color: #FF9F7A;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-h1 {
  font-size: 3.2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -1px;
}
.hero-h1 span { color: var(--primary); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat-item {
  text-align: center;
}
.hero-stat-item .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1;
}
.hero-stat-item .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ================================================
   动漫内容区 - 视频卡片
   ================================================ */
.anime-section { background: var(--bg-main); }
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.video-thumb {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #111;
}
.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-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-overlay { opacity: 1; }
.play-btn {
  width: 56px;
  height: 56px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255,107,53,0.5);
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-btn { transform: scale(1); }
.play-btn svg { margin-left: 4px; }
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}
.video-badge.hot { background: #E53E3E; }
.video-badge.new { background: #38A169; }
.video-badge.hd { background: var(--secondary); }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
}
.video-info {
  padding: 12px 14px;
}
.video-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
  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-light);
}
.video-meta span { display: flex; align-items: center; gap: 3px; }

/* ================================================
   娱乐专区 - 卡片网格
   ================================================ */
.ent-section { background: #fff; }
.ent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.ent-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/9;
  cursor: pointer;
}
.ent-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.ent-card:hover img { transform: scale(1.05); }
.ent-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
}
.ent-card-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.ent-card-sub { color: rgba(255,255,255,0.7); font-size: 0.8rem; }

/* ================================================
   AI赋能区
   ================================================ */
.ai-section { background: linear-gradient(135deg, #0D1117 0%, #004E89 100%); }
.ai-section .sec-title { color: #fff; }
.ai-section .sec-sub { color: rgba(255,255,255,0.6); }
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.ai-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}
.ai-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
  transform: translateY(-4px);
}
.ai-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
}
.ai-card h3 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.ai-card p { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.7; }

/* ================================================
   社区功能区
   ================================================ */
.community-section { background: var(--bg-main); }
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.community-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid transparent;
  transition: var(--transition);
  text-align: center;
}
.community-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.comm-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(255,107,53,0.12), rgba(247,127,0,0.12));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.community-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.community-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ================================================
   专家展示区
   ================================================ */
.experts-section { background: #fff; }
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.expert-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}
.expert-photo {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  object-position: top;
}
.expert-body { padding: 20px; }
.expert-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.expert-role {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.expert-awards {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.expert-btns { display: flex; gap: 8px; }

/* ================================================
   合作品牌
   ================================================ */
.partners-section { background: var(--bg-main); }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  min-height: 80px;
}
.partner-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.partner-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
}

/* ================================================
   加入指南
   ================================================ */
.guide-section { background: #fff; }
.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.guide-step {
  background: var(--bg-main);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.guide-step:hover { border-color: var(--primary); background: #fff; }
.step-num {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.guide-step h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.guide-step p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; }

/* ================================================
   FAQ
   ================================================ */
.faq-section { background: var(--bg-main); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1.5px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active { border-color: var(--primary); }
.faq-question {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-item.active .faq-question { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  background: rgba(255,107,53,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.active .faq-answer { display: block; }

/* ================================================
   用户评论
   ================================================ */
.reviews-section { background: #fff; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-main);
  border-radius: var(--radius-md);
  padding: 22px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.review-name { font-weight: 700; font-size: 0.9rem; color: var(--text-dark); }
.review-date { font-size: 0.75rem; color: var(--text-light); margin-top: 2px; }
.review-stars { color: #F6AD55; font-size: 0.85rem; margin-bottom: 8px; }
.review-text { font-size: 0.87rem; color: var(--text-muted); line-height: 1.7; }

/* ================================================
   联系我们
   ================================================ */
.contact-section { background: var(--bg-main); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-dark);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,107,53,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text { font-size: 0.9rem; }
.contact-item-text strong { display: block; color: var(--text-dark); margin-bottom: 2px; }
.contact-item-text span { color: var(--text-muted); }
.qr-row {
  display: flex;
  gap: 20px;
  margin-top: 24px;
}
.qr-box { text-align: center; }
.qr-box img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: #fff;
  padding: 4px;
}
.qr-box p { font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; }
.community-entry {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.community-entry h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.entry-list { display: flex; flex-direction: column; gap: 12px; }
.entry-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-main);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-dark);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.entry-item:hover { border-color: var(--primary); background: rgba(255,107,53,0.04); }
.entry-item span:first-child { font-size: 1.2rem; }

/* ================================================
   FOOTER
   ================================================ */
#site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .site-logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary); }
.footer-contact-list { display: flex; flex-direction: column; gap: 8px; }
.footer-contact-list li {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.55);
}
.footer-contact-list a { color: rgba(255,255,255,0.55); }
.footer-contact-list a:hover { color: var(--primary); }
.share-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.share-btn {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.05);
}
.share-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,0.35); }
.footer-bottom a:hover { color: var(--primary); }

/* ================================================
   视频模态框
   ================================================ */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.85);
  align-items: center;
  justify-content: center;
}
.video-modal.active { display: flex; }
.modal-inner {
  position: relative;
  width: 90%;
  max-width: 860px;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  transition: var(--transition);
}
.modal-close:hover { background: var(--primary); }
.modal-video {
  width: 100%;
  height: 100%;
  border: none;
}

/* ================================================
   面包屑
   ================================================ */
.breadcrumb {
  background: #fff;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  flex-wrap: wrap;
}
.breadcrumb-list li { display: flex; align-items: center; gap: 8px; }
.breadcrumb-list li::after { content: '›'; color: var(--text-light); }
.breadcrumb-list li:last-child::after { display: none; }
.breadcrumb-list a { color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list li:last-child { color: var(--text-dark); font-weight: 600; }

/* ================================================
   内页 Hero
   ================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary) 100%);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.page-hero p { font-size: 1rem; color: rgba(255,255,255,0.7); }

/* ================================================
   搜索提示
   ================================================ */
#search-tip {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,107,53,0.95);
  color: #fff;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 0.88rem;
  z-index: 9998;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: opacity 0.3s;
  pointer-events: none;
  white-space: nowrap;
}

/* ================================================
   动画
   ================================================ */
.fade-up {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.animated {
  opacity: 0;
  transform: translateY(24px);
}
.fade-up.animated.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   响应式 - 平板
   ================================================ */
@media (max-width: 1024px) {
  .hero-h1 { font-size: 2.4rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* ================================================
   响应式 - 手机
   ================================================ */
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 10px 0;
    gap: 2px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 14px; }
  .header-search { display: none; }
  .menu-toggle { display: flex; margin-left: auto; }
  .hero-h1 { font-size: 1.9rem; }
  .hero-section { min-height: 420px; }
  .hero-stats { gap: 20px; }
  .sec-title { font-size: 1.5rem; }
  .section-pad { padding: 50px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ent-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn { justify-content: center; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-h1 { font-size: 1.6rem; }
  .guide-steps { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
}