/* =============================================
   抖荫短视频 - 主样式文件
   品牌色：深玫红 #C8185A / 珊瑚橙 #FF6B6B / 深紫 #1A0A2E
   ============================================= */

/* --- 基础重置 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: #0D0618;
  color: #E8E0F0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: #FF6B9D; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- CSS变量 --- */
:root {
  --brand-primary: #C8185A;
  --brand-secondary: #FF6B9D;
  --brand-accent: #FF6B6B;
  --brand-purple: #1A0A2E;
  --brand-dark: #0D0618;
  --brand-card: #1E0F35;
  --brand-border: #3A1F5A;
  --brand-text: #E8E0F0;
  --brand-muted: #9B8AB0;
  --gradient-main: linear-gradient(135deg, #C8185A 0%, #FF6B6B 100%);
  --gradient-dark: linear-gradient(180deg, #1A0A2E 0%, #0D0618 100%);
  --shadow-card: 0 8px 32px rgba(200,24,90,0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

/* =============================================
   顶部公告条
   ============================================= */
.5xee5 {
  background: var(--gradient-main);
  text-align: center;
  padding: 7px 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .5px;
}
.5xee5 a { color: #fff; text-decoration: underline; }

/* =============================================
   头部导航
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,6,24,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--brand-border);
  padding: 0 24px;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img.logo-img {
  height: 40px;
  width: auto;
  border-radius: 8px;
}
.site-logo .logo-text {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.main-nav a {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--brand-muted);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(200,24,90,0.2);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-login {
  padding: 7px 18px;
  border: 1px solid var(--brand-border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--brand-text);
  transition: var(--transition);
}
.btn-login:hover { border-color: var(--brand-primary); color: var(--brand-secondary); }
.btn-join {
  padding: 7px 18px;
  background: var(--gradient-main);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
}
.btn-join:hover { opacity: .85; transform: translateY(-1px); }

/* 搜索框 */
.search-bar-wrap {
  background: rgba(26,10,46,0.9);
  border-bottom: 1px solid var(--brand-border);
  padding: 10px 24px;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-form {
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 640px;
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition);
}
.search-form:focus-within { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(200,24,90,0.15); }
.search-form input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--brand-text);
}
.search-form input::placeholder { color: var(--brand-muted); }
.search-form button {
  padding: 9px 20px;
  background: var(--gradient-main);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}
.search-hot-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.search-hot-tags span { font-size: 12px; color: var(--brand-muted); }
.hot-tag {
  padding: 3px 10px;
  background: rgba(200,24,90,0.12);
  border: 1px solid rgba(200,24,90,0.25);
  border-radius: 12px;
  font-size: 12px;
  color: var(--brand-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.hot-tag:hover { background: rgba(200,24,90,0.25); }

/* 汉堡菜单 */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--brand-text); border-radius: 2px; transition: var(--transition); }

/* =============================================
   面包屑
   ============================================= */
.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  font-size: 13px;
  color: var(--brand-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: var(--brand-muted); }
.breadcrumb a:hover { color: var(--brand-secondary); }
.breadcrumb .sep { opacity: .5; }

/* =============================================
   Hero 轮播区
   ============================================= */
.hero-section {
  position: relative;
  overflow: hidden;
  height: 520px;
}
.hero-slider { width: 100%; height: 100%; position: relative; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(13,6,24,0.85) 40%, transparent 100%);
  display: flex;
  align-items: center;
  padding: 0 80px;
}
.hero-content { max-width: 560px; }
.i356s43 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: rgba(200,24,90,0.25);
  border: 1px solid rgba(200,24,90,0.5);
  border-radius: 20px;
  font-size: 12px;
  color: var(--brand-secondary);
  margin-bottom: 16px;
}
.hero-content h1 {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 14px;
  color: #fff;
}
.hero-content h1 em { font-style: normal; color: var(--brand-secondary); }
.hero-content p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
  line-height: 1.7;
}
.hero-btns { display: flex; gap: 14px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--gradient-main);
  border-radius: 28px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,24,90,0.4); color: #fff; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--brand-secondary); color: var(--brand-secondary); }
.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.hero-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.hero-dot.active { background: var(--brand-primary); width: 24px; border-radius: 4px; }

/* =============================================
   统计数字条
   ============================================= */
.lrbj3109 {
  background: var(--brand-card);
  border-top: 1px solid var(--brand-border);
  border-bottom: 1px solid var(--brand-border);
  padding: 20px 24px;
}
.g93bud {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.5xjgoez { text-align: center; }
.7sbc1ts {
  font-size: 28px;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.xee29 { font-size: 12px; color: var(--brand-muted); margin-top: 2px; }

/* =============================================
   通用区块
   ============================================= */
.section {
  padding: 60px 24px;
  max-width: 1280px;
  margin: 0 auto;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-title {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 26px;
  background: var(--gradient-main);
  border-radius: 2px;
}
.section-more {
  font-size: 13px;
  color: var(--brand-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.section-more:hover { color: var(--brand-secondary); }

/* =============================================
   视频卡片网格
   ============================================= */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.video-grid-5 { grid-template-columns: repeat(5, 1fr); }
.video-grid-3 { grid-template-columns: repeat(3, 1fr); }

.video-card {
  background: var(--brand-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--brand-border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--brand-primary);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-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 .video-play-btn { opacity: 1; }
.play-icon {
  width: 48px; height: 48px;
  background: rgba(200,24,90,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.play-icon::after {
  content: '';
  border-left: 18px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  margin-left: 3px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-quality {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--brand-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-info { padding: 12px; }
.video-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  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;
  justify-content: space-between;
  font-size: 12px;
  color: var(--brand-muted);
}
.video-stats { display: flex; align-items: center; gap: 10px; }
.video-stats span { display: flex; align-items: center; gap: 3px; }
.video-tag {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(200,24,90,0.15);
  border-radius: 10px;
  font-size: 11px;
  color: var(--brand-secondary);
}

/* =============================================
   分类Tab
   ============================================= */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.cat-tab {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-muted);
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  cursor: pointer;
  transition: var(--transition);
}
.cat-tab:hover,
.cat-tab.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}

/* =============================================
   专家卡片
   ============================================= */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.expert-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--brand-primary);
}
.expert-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--brand-primary);
}
.expert-name { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.expert-role { font-size: 12px; color: var(--brand-secondary); margin-bottom: 10px; }
.expert-desc { font-size: 13px; color: var(--brand-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.award-tag {
  padding: 3px 10px;
  background: rgba(200,24,90,0.12);
  border: 1px solid rgba(200,24,90,0.3);
  border-radius: 12px;
  font-size: 11px;
  color: var(--brand-secondary);
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-sm-primary { background: var(--gradient-main); color: #fff; }
.btn-sm-outline { border: 1px solid var(--brand-border); color: var(--brand-muted); }
.btn-sm-outline:hover { border-color: var(--brand-secondary); color: var(--brand-secondary); }

/* =============================================
   合作品牌Logo墙
   ============================================= */
.uguriy9 {
  background: var(--brand-card);
  border-top: 1px solid var(--brand-border);
  border-bottom: 1px solid var(--brand-border);
  padding: 36px 24px;
}
.6thfhu2c { max-width: 1280px; margin: 0 auto; }
.9i6t63 { text-align: center; font-size: 14px; color: var(--brand-muted); margin-bottom: 24px; letter-spacing: 2px; }
.9wao3t {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.bpjpy {
  padding: 10px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-muted);
  transition: var(--transition);
}
.bpjpy:hover { color: var(--brand-secondary); border-color: var(--brand-secondary); }

/* =============================================
   How-To 加入指南
   ============================================= */
.2cimvnbv {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ycxcum {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  position: relative;
}
.8os6dawz {
  width: 44px; height: 44px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  margin: 0 auto 16px;
}
.6diekd { font-size: 32px; margin-bottom: 12px; }
.m7hsjg { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.hy5nm9la { font-size: 13px; color: var(--brand-muted); line-height: 1.6; }

/* =============================================
   FAQ
   ============================================= */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.faq-question:hover { color: var(--brand-secondary); }
.faq-arrow {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(200,24,90,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 12px;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); background: var(--brand-primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
  padding: 0 20px;
  font-size: 14px;
  color: var(--brand-muted);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 18px; }

/* =============================================
   用户评价
   ============================================= */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition);
}
.review-card:hover { border-color: var(--brand-primary); transform: translateY(-2px); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 600; color: #fff; }
.review-date { font-size: 12px; color: var(--brand-muted); }
.review-stars { color: #FFD700; font-size: 14px; margin-bottom: 10px; }
.review-text { font-size: 13px; color: var(--brand-muted); line-height: 1.7; }
.review-tag {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 10px;
  background: rgba(200,24,90,0.1);
  border-radius: 10px;
  font-size: 11px;
  color: var(--brand-secondary);
}

/* =============================================
   联系我们
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-card h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 38px; height: 38px;
  background: rgba(200,24,90,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.contact-label { font-size: 12px; color: var(--brand-muted); margin-bottom: 2px; }
.contact-value { font-size: 14px; color: #fff; font-weight: 500; }
.qr-row { display: flex; gap: 24px; margin-top: 20px; }
.qr-item { text-align: center; }
.qr-item img { width: 100px; height: 100px; border-radius: 8px; border: 2px solid var(--brand-border); }
.qr-item p { font-size: 12px; color: var(--brand-muted); margin-top: 6px; }

/* =============================================
   社交分享
   ============================================= */
.01itzx7 {
  background: var(--brand-card);
  border-top: 1px solid var(--brand-border);
  padding: 20px 24px;
}
.qmmwg1 {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.38pilnlb { font-size: 14px; color: var(--brand-muted); }
.6ywl19 { display: flex; gap: 10px; flex-wrap: wrap; }
.iwle1x49 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.nzyek { background: #07C160; color: #fff; }
.2hccm { background: #E6162D; color: #fff; }
.h46bcn { background: #010101; color: #fff; border: 1px solid #333; }
.iphesm5z { background: #00A1D6; color: #fff; }
.iwle1x49:hover { opacity: .85; transform: translateY(-1px); color: #fff; }

/* =============================================
   页脚
   ============================================= */
.site-footer {
  background: var(--brand-purple);
  border-top: 1px solid var(--brand-border);
  padding: 48px 24px 24px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { font-size: 22px; font-weight: 900; background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 12px; }
.footer-brand p { font-size: 13px; color: var(--brand-muted); line-height: 1.8; margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; }
.social-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--brand-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.social-icon:hover { background: var(--brand-primary); border-color: var(--brand-primary); }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: var(--brand-muted); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--brand-secondary); }
.footer-bottom {
  border-top: 1px solid var(--brand-border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--brand-muted);
}
.footer-bottom a { color: var(--brand-muted); }
.footer-bottom a:hover { color: var(--brand-secondary); }
.footer-logo-img { height: 32px; width: auto; border-radius: 6px; }

/* =============================================
   AI赋能区
   ============================================= */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-main);
}
.ai-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.ai-icon { font-size: 36px; margin-bottom: 14px; }
.ai-title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.ai-desc { font-size: 13px; color: var(--brand-muted); line-height: 1.7; }

/* =============================================
   社区功能区
   ============================================= */
.community-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.community-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  text-align: center;
  transition: var(--transition);
}
.community-card:hover { border-color: var(--brand-primary); transform: translateY(-3px); }
.comm-icon { font-size: 32px; margin-bottom: 12px; }
.comm-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.comm-desc { font-size: 12px; color: var(--brand-muted); line-height: 1.6; }
.comm-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 10px;
  background: var(--gradient-main);
  border-radius: 10px;
  font-size: 11px;
  color: #fff;
}

/* =============================================
   内页 - 视频播放页
   ============================================= */
.player-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}
.player-main {}
.video-player-wrap {
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: 16px;
}
.video-player-wrap video,
.video-player-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.player-title { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.player-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--brand-muted); flex-wrap: wrap; }
.player-actions { display: flex; gap: 12px; margin-top: 14px; }
.player-sidebar {}
.sidebar-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.sidebar-video-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-video-item {
  display: flex;
  gap: 10px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.sidebar-video-item:hover { background: var(--brand-card); }
.sidebar-thumb { width: 100px; height: 60px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.sidebar-info {}
.sidebar-video-title { font-size: 13px; color: #fff; line-height: 1.4; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-video-meta { font-size: 11px; color: var(--brand-muted); }

/* =============================================
   分页
   ============================================= */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 32px 0;
}
.page-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--brand-muted);
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover,
.page-btn.active { background: var(--gradient-main); color: #fff; border-color: transparent; }

/* =============================================
   响应式
   ============================================= */
@media (max-width: 1100px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-section { height: 380px; }
  .hero-overlay { padding: 0 40px; }
  .hero-content h1 { font-size: 30px; }
  .player-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .2cimvnbv { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .community-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .hero-section { height: 300px; }
  .hero-overlay { padding: 0 20px; }
  .hero-content h1 { font-size: 24px; }
  .hero-content p { display: none; }
  .g93bud { gap: 16px; }
  .7sbc1ts { font-size: 22px; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 40px 16px; }
  .expert-grid { grid-template-columns: 1fr 1fr; }
  .2cimvnbv { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero-btns { flex-direction: column; gap: 10px; }
  .review-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: 1fr; }
  .2cimvnbv { grid-template-columns: 1fr; }
}

/* =============================================
   移动端导航抽屉
   ============================================= */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13,6,24,0.97);
  z-index: 2000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-text);
  padding: 10px 30px;
  border-radius: 30px;
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--brand-secondary); background: rgba(200,24,90,0.1); }
.mobile-nav-close {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 28px;
  color: var(--brand-muted);
  cursor: pointer;
}

/* =============================================
   加载动画
   ============================================= */
.skeleton {
  background: linear-gradient(90deg, var(--brand-card) 25%, rgba(58,31,90,0.5) 50%, var(--brand-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =============================================
   内页通用
   ============================================= */
.page-hero {
  background: var(--brand-card);
  border-bottom: 1px solid var(--brand-border);
  padding: 40px 24px;
  text-align: center;
}
.page-hero h1 { font-size: 32px; font-weight: 900; color: #fff; margin-bottom: 10px; }
.page-hero p { font-size: 15px; color: var(--brand-muted); max-width: 600px; margin: 0 auto; }

/* 标签云 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  padding: 5px 14px;
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: 16px;
  font-size: 13px;
  color: var(--brand-muted);
  cursor: pointer;
  transition: var(--transition);
}
.tag-item:hover { border-color: var(--brand-primary); color: var(--brand-secondary); }

/* =============================================
   补充样式 - 底部Logo行 / 二维码网格 / 视频解说页
   ============================================= */
.5qwct {
  text-align: center;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--brand-border);
  margin-bottom: 32px;
}
.w3m4zy {
  max-width: 200px;
  height: auto;
  border-radius: 8px;
}
.f738xa {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.f738xa .qr-item img {
  width: 90px;
  height: 90px;
  border-radius: 6px;
  border: 1px solid var(--brand-border);
}
.f738xa .qr-item p {
  font-size: 11px;
  color: var(--brand-muted);
  text-align: center;
  margin-top: 4px;
}

/* 娱乐专区 / 短视频瀑布流 */
.entertainment-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.nag3j {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}
.nag3j:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: var(--brand-primary); }
.1focl {
  position: relative;
  aspect-ratio: 9/16;
  overflow: hidden;
}
.1focl img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.nag3j:hover .1focl img { transform: scale(1.06); }
.ab07w9w {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,6,24,0.85) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
}
.uelmh { font-size: 12px; font-weight: 600; color: #fff; line-height: 1.4; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lwmi4uf { display: flex; gap: 8px; font-size: 11px; color: rgba(255,255,255,0.75); }
.afnv6 {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 40px; height: 40px;
  background: rgba(200,24,90,0.85);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.afnv6::after { content: ''; border-left: 14px solid #fff; border-top: 8px solid transparent; border-bottom: 8px solid transparent; margin-left: 3px; }
.nag3j:hover .afnv6 { opacity: 1; }

/* 视频解说页专属 */
.explain-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  gap: 0;
  transition: var(--transition);
}
.explain-card:hover { border-color: var(--brand-primary); transform: translateY(-2px); }
.explain-thumb { width: 200px; flex-shrink: 0; position: relative; }
.explain-thumb img { width: 100%; height: 100%; object-fit: cover; }
.explain-info { padding: 16px 18px; flex: 1; }
.explain-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.explain-desc { font-size: 13px; color: var(--brand-muted); line-height: 1.7; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.explain-meta { display: flex; gap: 14px; font-size: 12px; color: var(--brand-muted); flex-wrap: wrap; }

/* 亲密教育/社区话题卡片 */
.0xv0g4h {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.jyd1c {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}
.jyd1c:hover { border-color: var(--brand-primary); }
.6qc8a { font-size: 28px; margin-bottom: 10px; }
.43p3dq4z { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.rz5kn8p { font-size: 13px; color: var(--brand-muted); line-height: 1.7; }
.jq4c133r { font-size: 12px; color: var(--brand-secondary); margin-top: 10px; }

/* 美少女写真 / 福利姬影像卡片 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
}
.gallery-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery-card:hover img { transform: scale(1.06); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,6,24,0.9) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  opacity: 0;
  transition: var(--transition);
}
.gallery-card:hover .gallery-overlay { opacity: 1; }
.gallery-name { font-size: 14px; font-weight: 700; color: #fff; }
.gallery-tag { font-size: 11px; color: var(--brand-secondary); margin-top: 4px; }

/* 响应式补充 */
@media (max-width: 1100px) {
  .entertainment-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .entertainment-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .0xv0g4h { grid-template-columns: 1fr; }
  .explain-card { flex-direction: column; }
  .explain-thumb { width: 100%; height: 180px; }
  .f738xa { gap: 8px; }
}
@media (max-width: 480px) {
  .entertainment-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}