/* ============================================
   茄子视频 - 原创样式表
   品牌：茄子视频 | 域名：fceLb.cn
   配色方案：暗夜玫红主题
   ============================================ */

/* CSS Variables */
:root {
  --primary: #FF2D55;
  --primary-dark: #D4234A;
  --secondary: #1A1A2E;
  --accent: #FF6B9D;
  --bg-dark: #0F0F1A;
  --bg-card: #16162A;
  --bg-card-hover: #1E1E38;
  --text-main: #E8E8F0;
  --text-secondary: #9999B0;
  --text-muted: #666680;
  --gradient-primary: linear-gradient(135deg, #FF2D55, #FF6B9D);
  --gradient-dark: linear-gradient(180deg, #0F0F1A, #1A1A2E);
  --gradient-card: linear-gradient(145deg, #16162A, #1E1E38);
  --border-color: #2A2A45;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(255,45,85,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  --max-width: 1280px;
}

/* Reset & Base */
*, *::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", "Noto Sans SC", sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }

/* Container */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ============ HEADER ============ */
.site-header {
  background: rgba(15,15,26,0.95);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 42px; width: auto; }
.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--gradient-primary);
  color: #fff;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ============ SEARCH BAR ============ */
.search-bar-wrap {
  background: var(--secondary);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}
.search-bar {
  display: flex;
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}
.search-bar input {
  flex: 1;
  padding: 12px 20px;
  border: 2px solid var(--border-color);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}
.search-bar input:focus { border-color: var(--primary); }
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar button {
  padding: 12px 28px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.search-bar button:hover { opacity: 0.9; transform: scale(1.02); }

/* ============ HERO SECTION ============ */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  filter: blur(2px);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,15,26,0.6) 0%, rgba(15,15,26,0.9) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  padding: 60px 20px;
}
.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero h1 span { display: block; font-size: 1.2rem; color: var(--text-secondary); -webkit-text-fill-color: var(--text-secondary); margin-top: 8px; }
.hero p { font-size: 1.1rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto 30px; }
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 30px; }
.hero-tags span {
  padding: 6px 16px;
  background: rgba(255,45,85,0.15);
  border: 1px solid rgba(255,45,85,0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent);
}
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); color: #fff; }
.btn-outline {
  display: inline-block;
  padding: 14px 36px;
  border: 2px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  background: transparent;
  cursor: pointer;
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* ============ SECTIONS ============ */
.section {
  padding: 60px 0;
}
.lvmebn {
  background: var(--secondary);
}
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--text-main);
}
.section-title h2 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============ VIDEO CARDS ============ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}
.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 60px;
  height: 60px;
  background: rgba(255,45,85,0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.play-btn::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.video-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
}
.video-info { padding: 14px 16px; }
.video-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.video-tags span {
  padding: 2px 10px;
  background: rgba(255,45,85,0.1);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--accent);
}

/* ============ FEATURE MODULES ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); }

/* ============ EXPERT SECTION ============ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.expert-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 3px solid var(--primary);
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-card h3 { font-size: 1.1rem; margin-bottom: 4px; }
.expert-card .role { color: var(--accent); font-size: 0.85rem; margin-bottom: 10px; }
.expert-card p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 14px; }
.expert-links { display: flex; justify-content: center; gap: 10px; }
.expert-links a {
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ============ FAQ ============ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question .arrow {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
  color: var(--primary);
}
.faq-item.active .faq-question .arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============ REVIEWS ============ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}
.review-card:hover { border-color: var(--primary); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}
.review-user .name { font-weight: 600; font-size: 0.95rem; }
.review-user .date { font-size: 0.8rem; color: var(--text-muted); }
.review-stars { color: #FFD700; margin-bottom: 8px; font-size: 0.9rem; }
.review-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* ============ PARTNERS ============ */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  align-items: center;
}
.partner-wall .partner-item {
  padding: 16px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}
.partner-wall .partner-item:hover { border-color: var(--primary); color: var(--accent); }

/* ============ HOW TO JOIN ============ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.step-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  position: relative;
}
.step-num {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 16px;
}
.step-card h3 { font-size: 1rem; margin-bottom: 8px; }
.step-card p { font-size: 0.85rem; color: var(--text-secondary); }

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.contact-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}
.contact-card h3 { font-size: 1.1rem; margin-bottom: 14px; color: var(--accent); }
.contact-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 8px; }

/* ============ SOCIAL SHARE ============ */
.share-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 20px 0;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: #fff;
  transition: var(--transition);
}
.share-btn:hover { transform: translateY(-2px); color: #fff; }
.share-btn.wechat { background: #07C160; }
.share-btn.weibo { background: #E6162D; }
.share-btn.douyin { background: #161823; border: 1px solid #333; }
.share-btn.bilibili { background: #00A1D6; }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-main);
}
.footer-col p, .footer-col a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 8px;
}
.footer-col a:hover { color: var(--accent); }
.footer-qr { display: flex; gap: 16px; margin-top: 10px; }
.footer-qr img { width: 100px; height: 100px; border-radius: var(--radius-sm); }
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

/* ============ PAGE BANNER ============ */
.page-banner {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.page-banner .banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}
.page-banner .banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,15,26,0.5), rgba(15,15,26,0.95));
}
.page-banner .banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
}
.page-banner h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-banner p { color: var(--text-secondary); font-size: 1rem; }

/* ============ INNER PAGE CONTENT ============ */
.page-content {
  padding: 40px 0 60px;
}
.content-text { max-width: 900px; margin: 0 auto; }
.content-text h2 { font-size: 1.6rem; margin: 30px 0 14px; color: var(--text-main); }
.content-text h3 { font-size: 1.3rem; margin: 24px 0 12px; color: var(--text-main); }
.content-text p { margin-bottom: 16px; color: var(--text-secondary); font-size: 0.95rem; }

/* ============ GALLERY GRID ============ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.gallery-item:hover { border-color: var(--primary); transform: scale(1.02); }
.gallery-item img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }

/* ============ STATS BAR ============ */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 30px 0;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

/* ============ LAZY LOAD ============ */
img.lazy { opacity: 1; transition: opacity 0.5s ease; }
img.lazy.loaded { opacity: 1; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; }
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: 12px;
    gap: 4px;
  }
  .main-nav.active { display: flex; }
  .main-nav a { padding: 10px 16px; }
  .menu-toggle { display: block; }
  .hero h1 { font-size: 1.8rem; }
  .hero { min-height: 380px; }
  .section { padding: 40px 0; }
  .section-title h2 { font-size: 1.5rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .share-bar { flex-wrap: wrap; }
  .stats-bar { gap: 20px; }
  .search-bar { margin: 0 16px; }
}

@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { padding: 40px 16px; }
  .hero h1 { font-size: 1.5rem; }
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }

/* ============ MCP WIDGET ============ */
.mcp-widget {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 20px;
}
.mcp-widget h4 { margin-bottom: 10px; font-size: 0.95rem; }
.mcp-widget .mcp-input {
  display: flex;
  gap: 8px;
}
.mcp-widget input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
}
.mcp-widget button {
  padding: 10px 20px;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }