/* ===================================================
   糖心 - 糖心视频 | rl6cu4.cn
   原创CSS样式文件 v1.0
   =================================================== */

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', 'Hiragino Sans GB', sans-serif;
  background: #0d0d1a;
  color: #e8e8f0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color 0.3s; }
a:hover { color: #ff6b9d; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- CSS变量 ---- */
:root {
  --primary: #ff6b9d;
  --primary-dark: #e0547f;
  --secondary: #ff4757;
  --accent: #ffa502;
  --accent2: #7bed9f;
  --bg-dark: #0d0d1a;
  --bg-card: #161628;
  --bg-card2: #1e1e35;
  --border: rgba(255,107,157,0.18);
  --text-main: #e8e8f0;
  --text-muted: #9090b0;
  --text-light: #c0c0d8;
  --gradient-primary: linear-gradient(135deg, #ff6b9d 0%, #ff4757 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --shadow-card: 0 8px 32px rgba(255,107,157,0.12);
  --shadow-hover: 0 16px 48px rgba(255,107,157,0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0d0d1a; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===================================================
   顶部公告栏
   =================================================== */
.top-notice {
  background: var(--gradient-primary);
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 100;
}
.top-notice a { color: #fff; text-decoration: underline; margin-left: 8px; }

/* ===================================================
   头部导航
   =================================================== */
.site-header {
  background: rgba(13,13,26,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
  transition: var(--transition);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-top: -4px;
  letter-spacing: 2px;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(255,107,157,0.15);
  color: var(--primary);
}
.main-nav a.nav-hot {
  background: var(--gradient-primary);
  color: #fff;
  padding: 7px 16px;
}
.main-nav a.nav-hot:hover { opacity: 0.9; }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger:hover span { background: var(--primary); }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(13,13,26,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 998;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-light);
  transition: var(--transition);
}
.mobile-menu a:hover { background: rgba(255,107,157,0.1); color: var(--primary); }

/* ===================================================
   搜索框
   =================================================== */
.search-bar-wrap {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-form {
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 600px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 50px;
  overflow: hidden;
  transition: var(--transition);
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,157,0.12);
}
.search-form input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-main);
  font-family: inherit;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form button {
  background: var(--gradient-primary);
  border: none;
  padding: 10px 22px;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.search-form button:hover { opacity: 0.9; }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tag {
  background: rgba(255,107,157,0.1);
  border: 1px solid rgba(255,107,157,0.2);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.search-tag:hover { background: rgba(255,107,157,0.2); }

/* ===================================================
   面包屑
   =================================================== */
.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--primary); }

/* ===================================================
   Hero 横幅区域
   =================================================== */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner1.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  transition: opacity 0.5s;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,13,26,0.9) 0%, rgba(13,13,26,0.5) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,107,157,0.15);
  border: 1px solid rgba(255,107,157,0.3);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-badge::before { content: '●'; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero-title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.hero-title .brand { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(255,107,157,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,107,157,0.5); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--text-main);
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* 统计数字 */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.stat-item { text-align: left; }
.stat-num {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===================================================
   通用区块
   =================================================== */
.section {
  padding: 64px 0;
}
.section-alt { background: var(--bg-card); }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  background: rgba(255,107,157,0.12);
  border: 1px solid rgba(255,107,157,0.25);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-title .highlight { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===================================================
   视频卡片
   =================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,107,157,0.4);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #1a1a2e;
}
.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); }
.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-icon {
  width: 54px;
  height: 54px;
  background: rgba(255,107,157,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transform: scale(0.8);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255,107,157,0.5);
}
.video-card:hover .play-icon { transform: scale(1); }
.play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--gradient-primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.video-info { padding: 14px 16px; }
.video-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.video-stats .stat { display: flex; align-items: center; gap: 4px; }

/* ===================================================
   图片卡片（写真/美图）
   =================================================== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.photo-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  transition: var(--transition);
}
.photo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.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(0,0,0,0.8));
  padding: 20px 12px 12px;
  opacity: 0;
  transition: var(--transition);
}
.photo-card:hover .photo-overlay { opacity: 1; }
.photo-name { font-size: 13px; font-weight: 600; color: #fff; }
.photo-views { font-size: 11px; color: rgba(255,255,255,0.7); margin-top: 2px; }

/* ===================================================
   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-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(255,107,157,0.3); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,107,157,0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.feature-card:hover .feature-icon { background: rgba(255,107,157,0.2); transform: scale(1.05); }
.feature-title { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.feature-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ===================================================
   专家展示
   =================================================== */
.expert-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-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--primary);
  padding: 3px;
  background: var(--bg-card2);
}
.expert-name { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.expert-title { font-size: 13px; color: var(--primary); margin-bottom: 12px; font-weight: 500; }
.expert-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.expert-tag {
  background: rgba(255,107,157,0.1);
  border: 1px solid rgba(255,107,157,0.2);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
}
.expert-actions { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-sm-primary { background: var(--gradient-primary); color: #fff; }
.btn-sm-outline { background: transparent; border: 1px solid var(--border); color: var(--text-light); }
.btn-sm:hover { transform: translateY(-1px); opacity: 0.9; }

/* ===================================================
   用户评价
   =================================================== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
}
.review-card:hover { border-color: rgba(255,107,157,0.3); box-shadow: var(--shadow-card); }
.review-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 60px;
  color: rgba(255,107,157,0.1);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-stars { color: var(--accent); font-size: 14px; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 600; color: var(--text-main); }
.review-date { font-size: 12px; color: var(--text-muted); }

/* ===================================================
   FAQ
   =================================================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(255,107,157,0.3); }
.faq-question {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  user-select: none;
}
.faq-question .q-icon {
  width: 28px;
  height: 28px;
  background: rgba(255,107,157,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-question .q-icon { transform: rotate(45deg); background: rgba(255,107,157,0.2); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ===================================================
   合作品牌
   =================================================== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.partner-item:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.partner-logo { font-size: 28px; margin-bottom: 8px; }

/* ===================================================
   联系方式
   =================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}
.contact-card:hover { border-color: rgba(255,107,157,0.3); box-shadow: var(--shadow-card); }
.contact-icon { font-size: 32px; margin-bottom: 12px; }
.contact-title { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.contact-info { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.contact-info a { color: var(--primary); }
.qr-wrap { text-align: center; margin-top: 12px; }
.qr-wrap img { width: 120px; height: 120px; object-fit: cover; border-radius: 8px; margin: 0 auto; border: 2px solid var(--border); }
.qr-label { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* ===================================================
   社交分享
   =================================================== */
.share-bar {
  background: var(--bg-card2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.share-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.share-label { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.share-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.share-btn {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--text-light);
  background: transparent;
  display: flex;
  align-items: center;
  gap: 6px;
}
.share-btn:hover { transform: translateY(-1px); }
.share-btn.wechat:hover { border-color: #07c160; color: #07c160; }
.share-btn.weibo:hover { border-color: #e6162d; color: #e6162d; }
.share-btn.douyin:hover { border-color: #fe2c55; color: #fe2c55; }
.share-btn.bilibili:hover { border-color: #00a1d6; color: #00a1d6; }

/* ===================================================
   页脚
   =================================================== */
.site-footer {
  background: #080814;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 40px;
}
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-wrap img { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; }
.footer-brand .brand-name { font-size: 20px; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; max-width: 280px; }
.footer-social { display: flex; gap: 10px; }
.social-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}
.social-icon:hover { background: rgba(255,107,157,0.15); border-color: var(--primary); transform: translateY(-2px); }
.footer-col-title { font-size: 14px; font-weight: 700; color: var(--text-main); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--text-muted); transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--primary); }
.update-time { color: var(--primary); font-weight: 500; }

/* ===================================================
   内页通用
   =================================================== */
.page-hero {
  background: var(--gradient-dark);
  padding: 60px 0 40px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-dark);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.page-hero-content { position: relative; z-index: 2; }
.page-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 12px;
}
.page-title .brand { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.page-subtitle { font-size: 16px; color: var(--text-muted); max-width: 600px; line-height: 1.8; }

/* ===================================================
   标签筛选
   =================================================== */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-tab {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
}
.filter-tab:hover, .filter-tab.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

/* ===================================================
   加载更多
   =================================================== */
.load-more-wrap { text-align: center; margin-top: 40px; }
.btn-load-more {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-light);
  padding: 12px 36px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.btn-load-more:hover { border-color: var(--primary); color: var(--primary); }

/* ===================================================
   通知/Toast
   =================================================== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-main);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  max-width: 300px;
  box-shadow: var(--shadow-hover);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: var(--accent2); }
.toast.error { border-color: var(--secondary); }

/* ===================================================
   响应式
   =================================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .hero-section { min-height: 420px; }
  .hero-stats { gap: 24px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .photo-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .search-tags { display: none; }
}
@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .section { padding: 40px 0; }
  .video-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}

/* ===================================================
   动画
   =================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

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