/* =============================================
   小蓝导航 - 主样式文件 | 8fyLjz.cn
   原创设计，版权所有
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --primary: #E91E8C;
  --primary-dark: #C2185B;
  --secondary: #7B2FBE;
  --accent: #FF6B35;
  --accent2: #00B4D8;
  --bg-dark: #0a0a14;
  --bg-card: #12121f;
  --bg-card2: #1a1a2e;
  --text-primary: #f0f0f5;
  --text-secondary: #c8c8d8;
  --text-muted: #7878a0;
  --border-color: rgba(255,255,255,0.08);
  --gradient-main: linear-gradient(135deg, #E91E8C 0%, #7B2FBE 50%, #FF6B35 100%);
  --gradient-purple: linear-gradient(135deg, #7B2FBE, #E91E8C);
  --gradient-blue: linear-gradient(135deg, #00B4D8, #7B2FBE);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --transition: 0.25s ease;
}

/* ---- 重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: var(--gradient-main);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.top-bar a { color: #fff; text-decoration: underline; margin: 0 4px; }
.top-bar a:hover { opacity: 0.8; }

/* ---- 导航栏 ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,10,20,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: box-shadow var(--transition);
}
.navbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.brand-favicon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}
.navbar-brand .brand-name {
  font-size: 18px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.navbar-nav a {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--transition);
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--primary);
  background: rgba(233,30,140,0.1);
}
.navbar-search {
  display: flex;
  align-items: center;
  background: var(--bg-card2);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  min-width: 200px;
  transition: border-color var(--transition);
}
.navbar-search:focus-within { border-color: var(--primary); }
.navbar-search button { color: var(--text-muted); padding: 0; flex-shrink: 0; }
.navbar-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  width: 100%;
}
.navbar-search input::placeholder { color: var(--text-muted); }
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  flex-shrink: 0;
}
.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar-mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: rgba(10,10,20,0.98);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 20px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.navbar-mobile-menu.open { display: flex; }
.navbar-mobile-menu a {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-secondary);
}
.navbar-mobile-menu a:hover { background: var(--bg-card2); color: var(--primary); }

/* ---- 新导航样式（兼容header.php） ---- */
.bjag5u {
  background: var(--gradient-main);
  color: #fff;
  text-align: center;
  padding: 7px 20px;
  font-size: 12px;
  font-weight: 500;
}
.bjag5u-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,10,20,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}
.nav { width: 100%; }
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}
.brand-logo-full {
  height: 34px;
  width: auto;
  object-fit: contain;
  display: block;
}
@media (max-width: 900px) { .brand-logo-full { display: none; } }
.brand-text {
  font-size: 18px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  list-style: none;
}
.nav-link {
  display: block;
  padding: 6px 11px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(233,30,140,0.1);
}
.has-dropdown { position: relative; }
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 0;
  min-width: 160px;
  z-index: 200;
  box-shadow: var(--shadow-lg);
}
.has-dropdown:hover .dropdown { display: block; }
.dropdown li a {
  display: block;
  padding: 9px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.dropdown li a:hover { color: var(--primary); background: rgba(233,30,140,0.08); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg-card2);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  min-width: 180px;
  transition: border-color var(--transition);
}
.nav-search:focus-within { border-color: var(--primary); }
.nav-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  width: 100%;
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search button { color: var(--text-muted); padding: 0; flex-shrink: 0; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/hero_banner.jpg') center/cover no-repeat;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.0); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,20,0.92) 0%, rgba(123,47,190,0.6) 50%, rgba(10,10,20,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 20px;
  max-width: 700px;
  margin-left: 60px;
}
.h03f8i4 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(233,30,140,0.2);
  border: 1px solid rgba(233,30,140,0.4);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 560px;
}
.sjl4qr {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
}
.6e4uxxq0 strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.6e4uxxq0 span { font-size: 12px; color: var(--text-muted); }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 20px rgba(233,30,140,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(233,30,140,0.5);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(233,30,140,0.05);
}
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---- 分类标签栏 ---- */
.category-tabs {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}
.category-tabs::-webkit-scrollbar { display: none; }
.category-tabs-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 4px;
  white-space: nowrap;
}
.cat-tab {
  display: inline-block;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.cat-tab:hover { color: var(--text-primary); }
.cat-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ---- 容器 ---- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-sm { margin-bottom: 48px; }

/* ---- Section标题 ---- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-title {
  font-size: 20px;
  font-weight: 800;
  position: relative;
  padding-left: 14px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--gradient-main);
  border-radius: 2px;
}
.section-more {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}
.section-more:hover { text-decoration: underline; }

/* ---- 统计栏 ---- */
.1tcchak {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-color);
}
.tsqhhl0w { text-align: center; }
.tsqhhl0w .num {
  font-size: 36px;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.tsqhhl0w .label { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* ---- 视频网格 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.video-grid-5 { grid-template-columns: repeat(5, 1fr); }

/* ---- 视频卡片 ---- */
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233,30,140,0.3);
}
.video-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-card2);
}
.video-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-card-thumb img { transform: scale(1.06); }
.video-card-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: background var(--transition);
}
.video-card:hover .video-card-play { background: rgba(0,0,0,0.4); }
.play-icon {
  width: 44px;
  height: 44px;
  background: rgba(233,30,140,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition);
}
.play-icon svg { width: 18px; height: 18px; margin-left: 3px; }
.video-card:hover .play-icon { opacity: 1; transform: scale(1); }
.video-card-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}
.video-card-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-card-body { padding: 12px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.video-card-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-primary);
}
.video-card-meta { display: flex; align-items: center; gap: 8px; }
.video-card-author {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}
.video-card-author img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
}
.video-card-stats {
  display: flex;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* ---- 特色视频布局 ---- */
.video-featured {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  margin-bottom: 20px;
}
.video-featured-main {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.video-featured-main .thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-featured-main .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-featured-main:hover .thumb img { transform: scale(1.04); }
.video-featured-main .info { padding: 16px; }
.video-featured-main h3 { font-size: 16px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.video-featured-list { display: flex; flex-direction: column; gap: 12px; }
.video-list-item {
  display: flex;
  gap: 12px;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.video-list-item:hover { border-color: rgba(233,30,140,0.3); transform: translateX(4px); }
.video-list-item .thumb {
  width: 120px;
  flex-shrink: 0;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-list-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-list-item .info { padding: 10px 12px 10px 0; flex: 1; }
.video-list-item h4 {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-list-item p { font-size: 11px; color: var(--text-muted); margin-top: 6px; }

/* ---- AI专区 ---- */
.zgtc6 {
  background: linear-gradient(135deg, #0f0f23 0%, #1a0a2e 50%, #0a1a2e 100%);
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid rgba(123,47,190,0.3);
  position: relative;
  overflow: hidden;
}
.zgtc6::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123,47,190,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.bpokge {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.707u6 {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.707u6:hover {
  background: rgba(233,30,140,0.08);
  border-color: rgba(233,30,140,0.3);
  transform: translateY(-2px);
}
.707u6 h4 { font-size: 15px; font-weight: 700; margin-bottom: 10px; color: #fff; }
.707u6 p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ---- 功能网格 ---- */
.xtyvqe73 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.gpr16zr {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.gpr16zr:hover {
  border-color: rgba(233,30,140,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.yows6e6h { font-size: 32px; display: block; margin-bottom: 10px; }
.gpr16zr h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.gpr16zr p { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ---- 专家网格 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition);
}
.expert-card:hover {
  border-color: rgba(233,30,140,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
  border: 3px solid rgba(233,30,140,0.3);
}
.expert-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.expert-title { font-size: 12px; color: var(--primary); margin-bottom: 10px; font-weight: 500; }
.expert-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.expert-tags { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.expert-tag {
  background: rgba(233,30,140,0.1);
  border: 1px solid rgba(233,30,140,0.2);
  color: var(--primary);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 12px;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }

/* ---- 合作伙伴 ---- */
.zoq9jpdq {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
}
.m8u92 {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px 8px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.m8u92:hover {
  border-color: rgba(233,30,140,0.3);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ---- 步骤 ---- */
.gpon88gg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.imyzfb6o {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all var(--transition);
}
.imyzfb6o:hover { border-color: rgba(233,30,140,0.3); transform: translateY(-2px); }
.n18g9a {
  width: 40px;
  height: 40px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.imyzfb6o h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.imyzfb6o p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ---- 联系网格 ---- */
.38r5l {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.m58jpz {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition);
}
.m58jpz:hover { border-color: rgba(233,30,140,0.3); transform: translateY(-2px); }
.jp4aau69 { font-size: 32px; margin-bottom: 10px; }
.m58jpz h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.m58jpz p { font-size: 13px; color: var(--text-muted); }
.qr-img { width: 80px; height: 80px; margin: 10px auto 0; border-radius: 8px; object-fit: cover; }

/* ---- 评价 ---- */
.aqmv73 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.8943gz {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.8943gz:hover { border-color: rgba(233,30,140,0.3); transform: translateY(-2px); }
.ow27gp { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.arykt2a4 {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.oue56f .name { font-size: 14px; font-weight: 600; }
.oue56f .date { font-size: 12px; color: var(--text-muted); }
.a413b { color: #FFB800; font-size: 14px; margin-bottom: 8px; }
.zv0r3 { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* ---- FAQ ---- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: rgba(233,30,140,0.3); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  font-size: 20px;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 16px; }

/* ---- 标签 ---- */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.tag-pink { background: rgba(233,30,140,0.15); color: var(--primary); border: 1px solid rgba(233,30,140,0.3); }

/* ---- 分享栏 ---- */
.share-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  background: var(--bg-card);
}
.share-btn:hover { border-color: var(--primary); color: var(--primary); }
.share-wechat:hover { border-color: #07C160; color: #07C160; }
.share-weibo:hover { border-color: #FF4757; color: #FF4757; }
.share-douyin:hover { border-color: #000; color: var(--text-primary); }
.share-bilibili:hover { border-color: #00B5FF; color: #00B5FF; }

/* ---- 页面Banner ---- */
.page-banner {
  background: linear-gradient(135deg, #0f0f23, #1a1a3e);
  padding: 48px 20px;
  text-align: center;
}
.page-banner-content { max-width: 700px; margin: 0 auto; }
.page-banner h1 { font-size: clamp(24px, 4vw, 40px); font-weight: 900; margin-bottom: 12px; }
.page-banner p { font-size: 15px; color: var(--text-muted); }

/* ---- 面包屑 ---- */
.breadcrumb {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border-color); }
.breadcrumb .current { color: var(--text-primary); }

/* ---- 视频详情页 ---- */
.video-detail-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
}
.video-player-wrap {
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
}
.video-info { background: var(--bg-card); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--border-color); }
.video-info h1 { font-size: 20px; font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.video-info-meta { display: flex; gap: 12px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; margin-bottom: 12px; }
.video-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-card2);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.action-btn:hover { border-color: var(--primary); color: var(--primary); }
.action-btn.liked { background: rgba(233,30,140,0.1); border-color: var(--primary); color: var(--primary); }
.video-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.comment-section h3 { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.comment-input-wrap { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.comment-input-wrap textarea {
  background: var(--bg-card2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--text-primary);
  font-size: 14px;
  resize: vertical;
  min-height: 80px;
  outline: none;
  transition: border-color var(--transition);
}
.comment-input-wrap textarea:focus { border-color: var(--primary); }
.comment-input-wrap .btn { align-self: flex-end; }
.comment-list { display: flex; flex-direction: column; gap: 12px; }
.comment-item { display: flex; gap: 10px; }
.comment-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.comment-body { flex: 1; }
.comment-body .user { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.comment-body .text { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.comment-body .meta { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ---- 分页 ---- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.page-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover,
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(30,30,50,0.95);
  color: #fff;
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(233,30,140,0.3);
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- 页脚 ---- */
.footer {
  background: #060610;
  border-top: 1px solid var(--border-color);
  margin-top: 60px;
}
.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 20px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}
.footer-brand .footer-logo {
  width: 60px;
  height: 60px;
  border-radius: var(--radius);
  object-fit: cover;
  margin-bottom: 12px;
}
.footer-brand .brand-name {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 8px; }
.footer-qr-row { display: flex; gap: 16px; margin-top: 16px; }
.footer-qr-item { text-align: center; }
.footer-qr-item img { width: 70px; height: 70px; border-radius: 8px; object-fit: cover; margin-bottom: 6px; }
.footer-qr-item p { font-size: 11px; color: var(--text-muted); }
.footer-col h5 { font-size: 14px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col li a { font-size: 13px; color: var(--text-muted); transition: color var(--transition); }
.footer-col li a:hover { color: var(--primary); }
.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.update-time { color: var(--text-muted); font-size: 12px; }

/* ---- 导航Logo图片 ---- */
.brand-logo-img {
  height: 28px;
  width: auto;
  object-fit: contain;
  display: block;
}
@media (max-width: 900px) { .brand-logo-img { display: none; } }

/* ---- 页脚标签行 ---- */
.footer-tags {
  border-top: 1px solid var(--border-color);
  padding: 16px 0;
}
.footer-tags-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.footer-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-card2);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  font-size: 12px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.footer-tag:hover { color: var(--primary); border-color: rgba(233,30,140,0.3); }

/* ---- 页脚社交行 ---- */
.footer-social {
  border-top: 1px solid var(--border-color);
  padding: 12px 0;
}
.footer-social-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---- 响应式 ---- */
@media (max-width: 1200px) {
  .video-grid { grid-template-columns: repeat(4, 1fr); }
  .video-grid-5 { grid-template-columns: repeat(4, 1fr); }
  .zoq9jpdq { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .video-grid-5 { grid-template-columns: repeat(3, 1fr); }
  .xtyvqe73 { grid-template-columns: repeat(3, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .aqmv73 { grid-template-columns: repeat(2, 1fr); }
  .1tcchak { grid-template-columns: repeat(2, 1fr); }
  .gpon88gg { grid-template-columns: repeat(2, 1fr); }
  .38r5l { grid-template-columns: repeat(2, 1fr); }
  .video-featured { grid-template-columns: 1fr; }
  .video-detail-layout { grid-template-columns: 1fr; }
  .bpokge { grid-template-columns: 1fr; }
  .hero-content { margin-left: 20px; }
}
@media (max-width: 640px) {
  .navbar-nav { display: none; }
  .navbar-search { display: none; }
  .navbar-toggle { display: flex; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .xtyvqe73 { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: 1fr; }
  .aqmv73 { grid-template-columns: 1fr; }
  .1tcchak { grid-template-columns: repeat(2, 1fr); }
  .gpon88gg { grid-template-columns: 1fr; }
  .38r5l { grid-template-columns: 1fr; }
  .zoq9jpdq { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 400px; }
  .sjl4qr { gap: 16px; }
  .6e4uxxq0 strong { font-size: 18px; }
}