/* ========================================
   小马拉大车 - 主样式文件
   品牌色：玫瑰粉 #E8336D / 珊瑚红 #FF6B6B
   辅助色：深紫 #2D1B69 / 金色 #F5A623
   ======================================== */

/* ---- 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', '微软雅黑', 'Hiragino Sans GB', sans-serif;
  background: #0f0a1e;
  color: #e8e0f0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: #E8336D; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

/* ---- CSS变量 ---- */
:root {
  --primary: #E8336D;
  --primary-light: #FF6B9D;
  --secondary: #FF6B6B;
  --accent: #F5A623;
  --dark: #0f0a1e;
  --dark2: #1a1030;
  --dark3: #231540;
  --purple: #2D1B69;
  --purple-light: #4a2fa0;
  --text: #e8e0f0;
  --text-muted: #9b8fbb;
  --border: rgba(232,51,109,0.2);
  --card-bg: rgba(35,21,64,0.85);
  --grad1: linear-gradient(135deg, #E8336D 0%, #FF6B6B 100%);
  --grad2: linear-gradient(135deg, #2D1B69 0%, #4a2fa0 100%);
  --grad3: linear-gradient(135deg, #0f0a1e 0%, #231540 100%);
  --shadow: 0 8px 32px rgba(232,51,109,0.15);
  --shadow-lg: 0 16px 48px rgba(232,51,109,0.25);
  --radius: 12px;
  --radius-lg: 20px;
}

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

/* ---- 通用工具类 ---- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 50px 0; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.hidden { display: none !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ---- 标题样式 ---- */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--grad1);
  border-radius: 2px;
  margin-top: 8px;
}
.section-title.center::after { margin: 8px auto 0; }
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  transition: all .3s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(232,51,109,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,51,109,0.5); color: #fff; }
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { color: var(--text-muted); background: rgba(255,255,255,0.05); }
.btn-ghost:hover { background: rgba(232,51,109,0.15); color: var(--primary); }
.btn-sm { padding: 8px 18px; font-size: .85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.1rem; }

/* ---- 卡片 ---- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  backdrop-filter: blur(10px);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-body { padding: 20px; }
.card-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.card-meta { font-size: .8rem; color: var(--text-muted); display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- 徽章 ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 600;
}
.badge-primary { background: rgba(232,51,109,0.2); color: var(--primary); border: 1px solid rgba(232,51,109,0.3); }
.badge-accent { background: rgba(245,166,35,0.2); color: var(--accent); border: 1px solid rgba(245,166,35,0.3); }
.badge-purple { background: rgba(74,47,160,0.3); color: #b39ddb; border: 1px solid rgba(74,47,160,0.4); }
.badge-new { background: var(--grad1); color: #fff; }

/* ========================================
   导航栏
   ======================================== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15,10,30,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all .3s;
}
#site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.5); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img.logo-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 8px;
}
.site-logo img.logo-full {
  height: 36px;
  width: auto;
  object-fit: contain;
}
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all .25s;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: rgba(232,51,109,0.1);
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  gap: 8px;
  min-width: 200px;
  transition: border-color .25s;
}
.header-search:focus-within { border-color: var(--primary); }
.header-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .9rem;
  width: 100%;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  background: none;
  color: var(--text-muted);
  font-size: 1rem;
  padding: 0;
  transition: color .25s;
}
.header-search button:hover { color: var(--primary); }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

/* 搜索栏（导航下方） */
#nav-search-bar {
  background: rgba(15,10,30,0.98);
  border-top: 1px solid var(--border);
  padding: 12px 0;
}
.nav-search-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
}
.nav-search-inner input {
  flex: 1;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 10px 20px;
  color: var(--text);
  font-size: .95rem;
  outline: none;
  transition: border-color .25s;
}
.nav-search-inner input:focus { border-color: var(--primary); }
.nav-search-inner button {
  background: var(--grad1);
  color: #fff;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: .9rem;
  font-weight: 600;
  transition: opacity .25s;
}
.nav-search-inner button:hover { opacity: .85; }
.shdvqa1as { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; padding: 0 20px; max-width: 700px; margin-left: auto; margin-right: auto; }
.shdvqa1a {
  font-size: .78rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 3px 12px;
  cursor: pointer;
  transition: all .2s;
}
.shdvqa1a:hover { color: var(--primary); border-color: var(--primary); }

/* ========================================
   Hero 首屏
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 68px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--grad3);
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(15,10,30,.9) 40%, rgba(15,10,30,.3) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.uux9m {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232,51,109,0.15);
  border: 1px solid rgba(232,51,109,0.3);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: .85rem;
  color: var(--primary);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  background: var(--grad1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat .num span { color: var(--primary); }
.hero-stat .label { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ========================================
   视频卡片网格
   ======================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--dark3);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.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: opacity .3s;
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn svg {
  width: 56px;
  height: 56px;
  filter: drop-shadow(0 4px 12px rgba(232,51,109,0.6));
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.yja852h {
  position: absolute;
  top: 8px;
  left: 8px;
}
.video-info { padding: 14px; }
.video-title {
  font-size: .95rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--text-muted);
}
.video-stats { display: flex; gap: 10px; align-items: center; }
.video-stats span { display: flex; align-items: center; gap: 3px; }

/* ========================================
   特色版块
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all .3s;
}
.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
}
.feature-icon.pink { background: rgba(232,51,109,0.15); }
.feature-icon.purple { background: rgba(74,47,160,0.2); }
.feature-icon.gold { background: rgba(245,166,35,0.15); }
.feature-icon.blue { background: rgba(33,150,243,0.15); }
.feature-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature-desc { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* ========================================
   专家展示
   ======================================== */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s;
}
.expert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.expert-avatar {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--dark3);
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.expert-badge-wrap {
  position: absolute;
  top: 12px;
  right: 12px;
}
.expert-body { padding: 20px; }
.expert-name { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.expert-title { font-size: .85rem; color: var(--primary); margin-bottom: 10px; }
.expert-desc { font-size: .83rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-stats { display: flex; gap: 16px; margin-bottom: 14px; }
.expert-stat { text-align: center; }
.expert-stat .n { font-size: 1rem; font-weight: 700; color: #fff; }
.expert-stat .l { font-size: .72rem; color: var(--text-muted); }
.expert-actions { display: flex; gap: 8px; }

/* ========================================
   合作品牌 Logo 墙
   ======================================== */
.ix5kgr0c {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.4kd59q {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all .3s;
  white-space: nowrap;
}
.4kd59q:hover { border-color: var(--primary); color: var(--primary); background: rgba(232,51,109,0.08); }

/* ========================================
   FAQ
   ======================================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s;
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  color: #fff;
  font-size: .95rem;
  gap: 12px;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(232,51,109,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
  font-size: 1rem;
  transition: transform .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 20px 18px;
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.7;
}

/* ========================================
   用户评价
   ======================================== */
.3h5cc {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.0s0e42 {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all .3s;
}
.0s0e42:hover { border-color: var(--primary); transform: translateY(-4px); }
.rr0szzl0 { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.u1sj1 {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.48qsnt { font-weight: 600; color: #fff; font-size: .95rem; }
.qmoamxk { font-size: .78rem; color: var(--text-muted); }
.k204a { color: var(--accent); font-size: .9rem; margin-bottom: 10px; }
.q5sor9 { font-size: .88rem; color: var(--text-muted); line-height: 1.7; }
.scz2pgjc { margin-top: 10px; }

/* ========================================
   联系我们
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-info-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-info-card h3 { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 20px; }
.contact-item { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(232,51,109,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--primary);
}
.contact-label { font-size: .8rem; color: var(--text-muted); }
.contact-value { font-size: .95rem; color: #fff; font-weight: 500; }

/* QR码 */
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.qr-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.qr-card img { width: 120px; height: 120px; object-fit: cover; border-radius: 8px; margin: 0 auto 10px; }
.qr-label { font-size: .85rem; color: var(--text-muted); }
.qr-name { font-size: .9rem; font-weight: 600; color: #fff; }

/* ========================================
   社交分享
   ======================================== */
.15gyg6av {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.x4fl8v {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  transition: all .25s;
  border: 1px solid transparent;
}
.7lrqz { background: rgba(9,187,7,0.15); color: #09bb07; border-color: rgba(9,187,7,0.3); }
.7lrqz:hover { background: #09bb07; color: #fff; }
.7sar8m7 { background: rgba(230,22,45,0.15); color: #e6162d; border-color: rgba(230,22,45,0.3); }
.7sar8m7:hover { background: #e6162d; color: #fff; }
.93tf22zp { background: rgba(0,0,0,0.3); color: #fff; border-color: rgba(255,255,255,0.2); }
.93tf22zp:hover { background: #000; color: #fff; }
.iyd4j05u { background: rgba(0,161,214,0.15); color: #00a1d6; border-color: rgba(0,161,214,0.3); }
.iyd4j05u:hover { background: #00a1d6; color: #fff; }

/* ========================================
   面包屑
   ======================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-muted);
  padding: 16px 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: rgba(255,255,255,0.2); }
.breadcrumb .current { color: var(--primary); }

/* ========================================
   页脚
   ======================================== */
#site-footer {
  background: #080514;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-wrap img { height: 36px; width: auto; }
.footer-brand p { font-size: .88rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.footer-col h4 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: .88rem; color: var(--text-muted); transition: color .25s; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: .82rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ========================================
   渐变分隔线
   ======================================== */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 40px 0;
}

/* ========================================
   加载动画
   ======================================== */
.179gkk {
  background: linear-gradient(90deg, var(--dark3) 25%, var(--dark2) 50%, var(--dark3) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 8px;
}
@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================
   弹幕样式
   ======================================== */
.l8sryz8 {
  background: rgba(0,0,0,0.6);
  border-radius: 50px;
  padding: 8px 20px;
  overflow: hidden;
  position: relative;
  height: 36px;
}
.n821l {
  position: absolute;
  white-space: nowrap;
  font-size: .85rem;
  color: rgba(255,255,255,0.8);
  animation: danmu-scroll 15s linear infinite;
}
@keyframes danmu-scroll {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}

/* ========================================
   视频播放器页面
   ======================================== */
.player-wrap {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
  position: relative;
}
.player-wrap iframe, .player-wrap video {
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   How-To 步骤
   ======================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
  text-align: center;
  transition: all .3s;
}
.step-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--grad1);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.step-title { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.step-desc { font-size: .83rem; color: var(--text-muted); line-height: 1.6; }

/* ========================================
   公告栏
   ======================================== */
.k9cmrg4 {
  background: linear-gradient(90deg, rgba(232,51,109,0.15), rgba(74,47,160,0.15));
  border: 1px solid rgba(232,51,109,0.2);
  border-radius: 50px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .88rem;
  overflow: hidden;
}
.xt8xy5p {
  background: var(--grad1);
  color: #fff;
  border-radius: 50px;
  padding: 2px 10px;
  font-size: .78rem;
  font-weight: 700;
  flex-shrink: 0;
}
.144g7 {
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========================================
   标签云
   ======================================== */
.3qv9o { display: flex; flex-wrap: wrap; gap: 8px; }
.0ywcvr {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px 14px;
  font-size: .82rem;
  color: var(--text-muted);
  transition: all .25s;
  cursor: pointer;
}
.0ywcvr:hover { background: rgba(232,51,109,0.15); border-color: var(--primary); color: var(--primary); }
.0ywcvr.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(15,10,30,0.98); border-bottom: 1px solid var(--border); padding: 16px; gap: 4px; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; }
  .hamburger { display: flex; }
  .header-search { display: none; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .experts-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .qr-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
}

/* ========================================
   动画
   ======================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.animate-fadeInUp { animation: fadeInUp .6s ease both; }
.animate-fadeIn { animation: fadeIn .6s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

/* ========================================
   内页 Banner
   ======================================== */
.inner-banner {
  position: relative;
  height: 300px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: 68px;
}
.inner-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}
.inner-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,10,30,1) 0%, rgba(15,10,30,0.5) 60%, transparent 100%);
}
.inner-banner-content {
  position: relative;
  z-index: 2;
  padding: 0 0 32px;
  width: 100%;
}
.inner-banner h1 { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 8px; }

/* ========================================
   侧边栏
   ======================================== */
.sidebar-widget {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-widget h4 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }

/* ========================================
   分页
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .88rem;
  font-weight: 600;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all .25s;
  cursor: pointer;
}
.page-btn:hover, .page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ========================================
   浮动装饰
   ======================================== */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.glow-orb.pink { background: rgba(232,51,109,0.15); }
.glow-orb.purple { background: rgba(74,47,160,0.2); }


/* ========================================
   视频播放器
   ======================================== */
.player-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}
.player-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   联系页面
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-info-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.contact-info-card h3 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: .78rem; color: var(--text-muted); margin-bottom: 3px; }
.contact-value { font-size: .9rem; color: #fff; font-weight: 500; }
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.qr-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.qr-card img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; margin-bottom: 10px; }
.qr-name { font-weight: 700; color: #fff; font-size: .88rem; margin-bottom: 4px; }
.qr-label { font-size: .78rem; color: var(--text-muted); }

/* ========================================
   专家团队
   ======================================== */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.expert-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.expert-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(232,51,109,0.2); }
.expert-avatar {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-badge-wrap { position: absolute; bottom: 10px; right: 10px; }
.expert-body { padding: 16px; }
.expert-name { font-size: 1.05rem; font-weight: 800; color: #fff; margin-bottom: 4px; }
.expert-title { font-size: .8rem; color: var(--primary); margin-bottom: 10px; }
.expert-desc { font-size: .82rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-stats { display: flex; gap: 8px; margin-bottom: 14px; }
.expert-stat { flex: 1; text-align: center; background: rgba(255,255,255,0.04); border-radius: 8px; padding: 8px 4px; }
.expert-stat .n { font-size: .88rem; font-weight: 700; color: #fff; }
.expert-stat .l { font-size: .7rem; color: var(--text-muted); }
.expert-actions { display: flex; gap: 8px; }

/* ========================================
   合作伙伴
   ======================================== */
.ix5kgr0c {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.4kd59q {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px;
  text-align: center;
  font-size: .82rem;
  color: var(--text-muted);
  transition: all .25s;
  cursor: default;
}
.4kd59q:hover { border-color: var(--primary); color: #fff; background: rgba(232,51,109,0.08); }

/* ========================================
   步骤卡片
   ======================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  position: relative;
  transition: transform .3s;
}
.step-card:hover { transform: translateY(-4px); }
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad1);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.step-desc { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* ========================================
   用户评价
   ======================================== */
.3h5cc {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.0s0e42 {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: transform .3s;
}
.0s0e42:hover { transform: translateY(-4px); }
.rr0szzl0 { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.u1sj1 {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad1);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: .9rem; flex-shrink: 0;
}
.48qsnt { font-weight: 600; color: #fff; font-size: .88rem; }
.qmoamxk { font-size: .75rem; color: var(--text-muted); }
.k204a { color: #F5A623; font-size: .9rem; margin-bottom: 10px; }
.q5sor9 { font-size: .85rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.scz2pgjc { }

/* ========================================
   FAQ
   ======================================== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-weight: 600;
  color: #fff;
  font-size: .95rem;
  cursor: pointer;
  user-select: none;
  transition: background .2s;
}
.faq-question:hover { background: rgba(232,51,109,0.06); }
.faq-item.open .faq-question { color: var(--primary); }
.faq-icon { font-size: 1.2rem; font-weight: 400; flex-shrink: 0; transition: transform .3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner { padding: 0 20px 18px; font-size: .88rem; color: var(--text-muted); line-height: 1.7; }

/* ========================================
   公告栏
   ======================================== */
.k9cmrg4 { display: flex; align-items: center; gap: 12px; overflow: hidden; }
.xt8xy5p {
  background: var(--primary);
  color: #fff;
  font-size: .78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.144g7 {
  font-size: .85rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========================================
   弹幕
   ======================================== */
.l8sryz8 {
  min-height: 32px;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 4px 0;
}
.n821l {
  display: inline-block;
  font-size: .82rem;
  color: var(--text-muted);
  animation: danmuScroll 8s linear;
}
@keyframes danmuScroll {
  from { transform: translateX(100vw); }
  to { transform: translateX(-100%); }
}

/* ========================================
   分享按钮
   ======================================== */
.15gyg6av { display: flex; gap: 8px; flex-wrap: wrap; }
.x4fl8v {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  transition: all .25s;
}
.x4fl8v:hover { border-color: var(--primary); color: var(--primary); }

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1200px) {
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .3h5cc { grid-template-columns: repeat(2, 1fr); }
  .ix5kgr0c { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .experts-grid { grid-template-columns: 1fr; }
  .3h5cc { grid-template-columns: 1fr; }
  .ix5kgr0c { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .inner-banner h1 { font-size: 1.6rem; }
  .hero h1 { font-size: 2rem; }
}
@media (max-width: 480px) {
  .ix5kgr0c { grid-template-columns: repeat(2, 1fr); }
  .qr-grid { grid-template-columns: 1fr; }
}

/* ---- 原创声明标签 ---- */
.h60tvl {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(9,187,7,0.12), rgba(74,47,160,0.12));
  border: 1px solid rgba(9,187,7,0.3);
  color: #4caf50;
  font-size: .78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: .02em;
}
.h60tvl svg { flex-shrink: 0; }

/* ---- 信任声明网格 ---- */
.2g65x { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media(max-width:768px){ .2g65x { grid-template-columns: 1fr !important; } }

/* ---- 专家卡片网格响应式 ---- */
.expert-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
@media(max-width:1024px){ .expert-grid { grid-template-columns: repeat(2,1fr); } }
@media(max-width:640px){ .expert-grid { grid-template-columns: 1fr; } }

/* ---- 写真/情感专区专用样式 ---- */
.photo-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.photo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.photo-card .photo-thumb {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.photo-card .photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.photo-card:hover .photo-thumb img { transform: scale(1.05); }
.photo-card .photo-info { padding: 16px; }
.photo-card .photo-title {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- 情感科普卡片 ---- */
.emotion-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.emotion-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.emotion-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(232,51,109,0.15), rgba(74,47,160,0.15));
  border: 1px solid rgba(232,51,109,0.2);
}

/* ---- 导航当前页高亮修复 ---- */
.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--primary) !important;
  font-weight: 700;
}
.nav-link.active::after,
.nav-link[aria-current="page"]::after {
  width: 100% !important;
}

/* ---- 搜索框展开动画 ---- */
#nav-search-bar {
  transition: max-height .3s ease, opacity .3s ease;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
}
#nav-search-bar.open {
  max-height: 80px;
  opacity: 1;
}

/* ---- 视频播放页增强 ---- */
.video-player-container {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  margin-bottom: 24px;
}
.video-player-container iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  display: block;
}

/* ---- 视频标签列表 ---- */
.fz6zr1s { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.fz6zr1 {
  background: rgba(232,51,109,0.08);
  border: 1px solid rgba(232,51,109,0.2);
  color: var(--text-muted);
  font-size: .78rem;
  padding: 3px 10px;
  border-radius: 20px;
  transition: all .2s;
}
.fz6zr1:hover { background: rgba(232,51,109,0.15); color: var(--primary); border-color: var(--primary); }

/* ---- 更新时间标注 ---- */
.314xc532 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
}

/* ---- 移动端优化补充 ---- */
@media(max-width:480px) {
  .section { padding: 50px 0; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { grid-template-columns: repeat(2,1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.5rem; }
  .btn-lg { padding: 12px 20px; font-size: .9rem; }
  .inner-banner h1 { font-size: 1.4rem; }
  .expert-card { padding: 16px; }
  .footer-grid { grid-template-columns: 1fr !important; }
}

/* ---- 百度SEO视频标记辅助 ---- */
.2knpz {
  display: inline-block;
  background: rgba(232,51,109,0.1);
  border: 1px solid rgba(232,51,109,0.2);
  color: var(--primary);
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: .05em;
  vertical-align: middle;
  margin-left: 6px;
}