/* ======================================
   糖心 TangXin - 主样式文件
   官网: 869836.cn
   ====================================== */

/* === 变量 === */
:root {
  --pink: #e8447a;
  --pink-dark: #c4305c;
  --pink-light: #f7a8c0;
  --pink-bg: #fff5f8;
  --pink-border: #f0d0db;
  --dark: #1a0a14;
  --dark2: #2c1a22;
  --dark3: #3d1030;
  --text: #2c1a22;
  --text-muted: #6b4a57;
  --purple: #9b59b6;
  --orange: #ff8c42;
  --blue: #00a1d6;
  --gold: #c9a84c;
  --radius: 14px;
  --shadow: 0 4px 24px rgba(232,68,122,0.12);
  --shadow-lg: 0 8px 40px rgba(232,68,122,0.18);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* === 重置 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* === 顶部公告栏 === */
.top-bar {
  background: linear-gradient(90deg, var(--dark), var(--dark3), var(--dark));
  color: rgba(255,255,255,0.85);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  letter-spacing: 0.3px;
}
.top-bar a { color: var(--pink-light); font-weight: 600; }
.top-bar a:hover { color: #fff; }

/* === 导航栏 === */
.navbar {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(26,10,20,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 62px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: 8px;
}
.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid rgba(232,68,122,0.4);
}
.logo-text {
  font-size: 20px;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, var(--pink-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
  display: block;
  line-height: 1.2;
}
.logo-sub {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  display: block;
  letter-spacing: 0.5px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nav-menu a {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: #fff;
  background: rgba(232,68,122,0.18);
}
.nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}
.btn-nav-login {
  color: rgba(255,255,255,0.75) !important;
  font-size: 13px;
  padding: 7px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--transition);
}
.btn-nav-login:hover { color: #fff !important; border-color: rgba(255,255,255,0.5); }
.btn-nav-join {
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff !important;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 18px;
  border-radius: 20px;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(232,68,122,0.4);
}
.btn-nav-join:hover { transform: translateY(-1px); box-shadow: 0 4px 18px rgba(232,68,122,0.5); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  margin-left: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.8);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === 搜索栏 === */
.search-bar-wrap {
  background: var(--dark2);
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.search-form {
  display: flex;
  gap: 0;
  max-width: 680px;
  margin-bottom: 10px;
}
.search-form input {
  flex: 1;
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,0.12);
  border-right: none;
  border-radius: 24px 0 0 24px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.search-form input::placeholder { color: rgba(255,255,255,0.35); }
.search-form input:focus { border-color: var(--pink); background: rgba(255,255,255,0.12); }
.search-btn {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff;
  border: none;
  border-radius: 0 24px 24px 0;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}
.search-btn:hover { background: linear-gradient(135deg, var(--pink-dark), #a02048); }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  padding: 4px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.08);
}
.search-tag:hover { background: rgba(232,68,122,0.2); color: var(--pink-light); border-color: rgba(232,68,122,0.3); }

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

/* === 面包屑 === */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--pink); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text-muted); }

/* === Hero 主视觉 === */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 50%, #2d0a1e 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/images/hero-banner.jpg') center/cover no-repeat;
  opacity: 0.18;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,10,20,0.92) 0%, rgba(61,16,48,0.75) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 20px;
  background: rgba(232,68,122,0.2);
  border: 1px solid rgba(232,68,122,0.4);
  color: var(--pink-light);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: 42px;
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
.hero h1 .brand { color: var(--pink-light); }
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--pink-light), #ffb3c8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc { color: rgba(255,255,255,0.72); font-size: 15px; line-height: 1.8; margin-bottom: 24px; }
.hero-stats { display: flex; gap: 24px; margin-bottom: 28px; }
.hero-stat .num { font-size: 22px; font-weight: 900; color: var(--pink-light); display: block; }
.hero-stat .label { font-size: 12px; color: rgba(255,255,255,0.5); }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-video-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 60px rgba(0,0,0,0.5);
  position: relative;
  cursor: pointer;
}
.hero-video-card img { width: 100%; height: 280px; object-fit: cover; }
.hero-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  transition: var(--transition);
}
.hero-play-btn::after {
  content: '';
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(232,68,122,0.9);
  box-shadow: 0 4px 24px rgba(232,68,122,0.5);
  border-left: 20px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 6px;
  transition: var(--transition);
}
.hero-video-card:hover .hero-play-btn { background: rgba(0,0,0,0.15); }
.hero-video-card:hover .hero-play-btn::after { transform: scale(1.1); }
.hero-float-tag {
  position: absolute;
  bottom: -16px;
  left: 20px;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(232,68,122,0.4);
}

/* === 按钮 === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 28px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(232,68,122,0.4);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,68,122,0.5); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 28px;
  border-radius: 28px;
  border: 2px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.7); color: #fff; background: rgba(255,255,255,0.08); }
.btn-sm { padding: 8px 18px; border-radius: 20px; font-size: 13px; font-weight: 600; transition: var(--transition); display: inline-block; }
.btn-sm-primary { background: linear-gradient(135deg, var(--pink), var(--pink-dark)); color: #fff; }
.btn-sm-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(232,68,122,0.4); }
.btn-sm-outline { border: 1.5px solid var(--pink-border); color: var(--pink); }
.btn-sm-outline:hover { background: var(--pink-bg); }

/* === Section === */
.section { padding: 64px 0; }
.section-dark { background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%); }
.section-pink { background: var(--pink-bg); }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 30px; font-weight: 900; color: var(--text); margin-bottom: 10px; }
.section-title h2 .brand { color: var(--pink); }
.section-title p { color: var(--text-muted); font-size: 15px; max-width: 600px; margin: 0 auto; }
.section-dark .section-title h2 { color: #fff; }
.section-dark .section-title p { color: rgba(255,255,255,0.6); }
.divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--pink), var(--pink-light));
  border-radius: 2px;
  margin: 16px auto 0;
}

/* === 统计 === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.stat-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-3px); background: rgba(255,255,255,0.1); }
.stat-num {
  font-size: 26px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--pink-light), #ffb3c8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: rgba(255,255,255,0.6); }

/* === 视频网格 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  border: 1px solid var(--pink-border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--dark2);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-overlay { opacity: 1; }
.play-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(232,68,122,0.9);
  box-shadow: 0 4px 20px rgba(232,68,122,0.5);
  position: relative;
}
.play-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  border-left: 18px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--pink);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { padding: 14px; }
.video-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.video-author { display: flex; align-items: center; gap: 8px; }
.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.author-name { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.live-badge {
  padding: 2px 8px;
  border-radius: 4px;
  background: linear-gradient(135deg, #e6162d, #c0392b);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  animation: pulse 1.5s infinite;
}
.hot-badge {
  padding: 2px 8px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--orange), #e67e22);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* === 分类标签 === */
.cat-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.cat-tag {
  padding: 7px 18px;
  border-radius: 20px;
  background: #fff;
  border: 1.5px solid var(--pink-border);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.cat-tag:hover, .cat-tag.active {
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 12px rgba(232,68,122,0.3);
}

/* === 功能特性网格 === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--pink-border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--pink-bg), #fce4ec);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 14px;
}
.feature-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.feature-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* === 图片网格 === */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.photo-card {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  position: relative;
  cursor: pointer;
}
.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.photo-card:hover img { transform: scale(1.06); }
.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(26,10,20,0.85));
  color: #fff;
  padding: 20px 12px 12px;
  font-size: 12px;
  font-weight: 600;
  transform: translateY(100%);
  transition: var(--transition);
}
.photo-card:hover .photo-overlay { transform: translateY(0); }

/* === 专家网格 === */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--pink-border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--pink-border);
}
.expert-name { font-size: 18px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.expert-title { font-size: 13px; color: var(--pink); font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.expert-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
.expert-tag {
  padding: 3px 10px;
  border-radius: 10px;
  background: var(--pink-bg);
  border: 1px solid var(--pink-border);
  color: var(--pink);
  font-size: 11px;
  font-weight: 600;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }

/* === 合作伙伴 === */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.partner-logo {
  padding: 12px 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1.5px solid var(--pink-border);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: default;
}
.partner-logo:hover { border-color: var(--pink); color: var(--pink); background: var(--pink-bg); }

/* === 加入步骤 === */
.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.join-step {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--pink-border);
  box-shadow: var(--shadow);
  position: relative;
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 14px rgba(232,68,122,0.3);
}
.step-title { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.step-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* === 用户评价 === */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--pink-border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 700; color: var(--text); }
.review-date { font-size: 12px; color: var(--text-muted); }
.review-stars { color: #f5a623; font-size: 14px; margin-left: auto; }
.review-text { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.review-likes { font-size: 12px; color: var(--text-muted); }

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--pink-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}
.faq-question {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
.faq-question::after {
  content: '+';
  font-size: 20px;
  color: var(--pink);
  flex-shrink: 0;
  margin-left: 12px;
  transition: var(--transition);
}
.faq-item.open .faq-question { color: var(--pink); background: var(--pink-bg); }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { padding: 16px 22px; font-size: 14px; color: var(--text-muted); line-height: 1.8; }

/* === 联系 === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.contact-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.contact-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.contact-icon { font-size: 28px; margin-bottom: 8px; }
.contact-label { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 4px; }
.contact-value { font-size: 14px; font-weight: 700; color: #fff; }

/* === 二维码 === */
.qr-wrap { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-item img {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  border: 3px solid rgba(255,255,255,0.15);
  object-fit: cover;
  margin-bottom: 8px;
}
.qr-label { font-size: 13px; color: rgba(255,255,255,0.7); font-weight: 600; }

/* === 分享栏 === */
.share-bar { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.share-btn {
  padding: 9px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.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-qq { background: #12b7f5; color: #fff; }
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; }

/* === 分页 === */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; }
.page-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #fff;
  border: 1.5px solid var(--pink-border);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: linear-gradient(135deg, var(--pink), var(--pink-dark));
  color: #fff;
  border-color: transparent;
}

/* === 页面Banner === */
.page-banner {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%);
  padding: 48px 20px;
  text-align: center;
}
.page-banner h1 { font-size: 32px; font-weight: 900; color: #fff; margin-bottom: 10px; }
.page-banner p { color: rgba(255,255,255,0.65); font-size: 15px; }

/* === 通知栏 === */
.notice-bar {
  background: linear-gradient(135deg, var(--pink-bg), #fce4ec);
  border: 1px solid var(--pink-border);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.notice-icon { font-size: 18px; }

/* === 页脚 === */
.footer {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%);
  padding: 56px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo-text { font-size: 22px; margin-bottom: 14px; display: block; }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.8; margin-bottom: 16px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: rgba(255,255,255,0.85); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.45); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--pink-light); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.35); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--pink-light); }
.footer-logo-img { border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); }
.update-time { font-size: 12px; color: rgba(255,255,255,0.3); margin-top: 4px; }

/* === 模态框 === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-video-wrap {
  background: var(--dark2);
  border-radius: 16px;
  width: 90%;
  max-width: 720px;
  position: relative;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s;
}
.modal-overlay.active .modal-video-wrap { transform: scale(1); }
.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 28px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  z-index: 10;
  line-height: 1;
  transition: var(--transition);
}
.modal-close:hover { color: #fff; transform: rotate(90deg); }
.modal-video { aspect-ratio: 16/9; background: #000; }

/* === 滚动显示动画 === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === 响应式 === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 34px; }
  .hero-visual { display: none; }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    background: rgba(26,10,20,0.98);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 16px; border-radius: 8px; }
  .nav-actions { display: none; }
  .hamburger { display: flex; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero h1 { font-size: 28px; }
  .section { padding: 44px 0; }
  .section-title h2 { font-size: 24px; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-stats { gap: 16px; }
}

@media (max-width: 480px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 24px; }
  .hero-stats { flex-wrap: wrap; }
  .btn-primary, .btn-outline { padding: 11px 20px; font-size: 14px; }
  .search-form { max-width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* === 打印样式 === */
@media print {
  .navbar, .search-bar-wrap, .top-bar, .hamburger, #backTop, .modal-overlay { display: none !important; }
}