/* =============================================
   双飞 - 主样式文件
   官网: bdmiyh.cn
   版本: 1.0.0
   ============================================= */

/* ---- CSS 变量 ---- */
:root {
  --primary: #6C2BD9;
  --primary-dark: #4A1A9E;
  --primary-light: #9B5FE8;
  --accent: #00E5FF;
  --accent-dark: #00B8CC;
  --secondary: #FF3D7F;
  --bg-dark: #0D0B1A;
  --bg-card: #16132A;
  --bg-card2: #1E1A35;
  --text-main: #F0EEFF;
  --text-muted: #9A94B8;
  --text-light: #C8C2E8;
  --border: rgba(108,43,217,0.3);
  --gradient-main: linear-gradient(135deg, #6C2BD9 0%, #00E5FF 100%);
  --gradient-hero: linear-gradient(160deg, #0D0B1A 0%, #1A0E3A 50%, #0D1A2E 100%);
  --shadow-glow: 0 0 20px rgba(108,43,217,0.4);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

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

/* ---- 工具类 ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}
.section-wrap { padding: 70px 0; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-main);
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(108,43,217,0.6); color: #fff; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--primary);
  color: var(--primary-light);
  padding: 11px 26px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.tag {
  display: inline-block;
  background: rgba(108,43,217,0.2);
  color: var(--accent);
  border: 1px solid rgba(0,229,255,0.3);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
}

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  padding: 8px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.9);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.top-bar .marquee-wrap { display: flex; align-items: center; justify-content: center; gap: 20px; }
.top-bar a { color: var(--accent); }

/* ---- 导航 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,11,26,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.5); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-wrap img { height: 38px; width: auto; }
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: var(--text-light);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--accent);
  background: rgba(0,229,255,0.08);
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-btn-login {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary-light);
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  transition: var(--transition);
}
.nav-btn-login:hover { background: var(--primary); color: #fff; }
.nav-btn-vip {
  background: linear-gradient(90deg, #FFB800, #FF6B00);
  color: #fff;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.nav-btn-vip:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(255,184,0,0.4); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }

/* ---- 搜索栏 ---- */
.search-bar-wrap {
  background: rgba(22,19,42,0.9);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
}
.search-form {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  overflow: hidden;
  transition: var(--transition);
}
.search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,43,217,0.15); }
.search-form input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  padding: 10px 18px;
  font-size: 0.9rem;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form button {
  background: var(--gradient-main);
  border: none;
  color: #fff;
  padding: 10px 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}
.search-form button:hover { opacity: 0.85; }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tags span {
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}
.search-tags span:hover { color: var(--accent); }

/* ---- Hero 区域 ---- */
.hero-section {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero_banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,11,26,0.95) 0%, rgba(13,11,26,0.5) 60%, rgba(13,11,26,0.1) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(108,43,217,0.2);
  border: 1px solid rgba(108,43,217,0.5);
  color: var(--accent);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  margin-bottom: 20px;
}
.hero-badge::before { content: '●'; color: #00E5FF; font-size: 0.6rem; animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.hero-h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}
.hero-h1 .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { color: var(--text-muted); font-size: 0.82rem; margin-top: 2px; }

/* ---- 动漫视频卡片 ---- */
.anime-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-card2);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--transition);
  opacity: 0;
}
.video-card:hover .play-overlay { opacity: 1; background: rgba(0,0,0,0.45); }
.play-btn {
  width: 52px;
  height: 52px;
  background: rgba(108,43,217,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.7);
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(108,43,217,0.6);
}
.video-card:hover .play-btn { transform: scale(1); }
.play-btn svg { width: 20px; height: 20px; fill: #fff; margin-left: 3px; }
.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--secondary);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.video-info { padding: 12px; }
.video-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
  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;
  color: var(--text-muted);
  font-size: 0.78rem;
}
.video-meta span { display: flex; align-items: center; gap: 3px; }

/* ---- 分类标签栏 ---- */
.category-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.cat-tab {
  padding: 7px 18px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.cat-tab:hover, .cat-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---- 专区模块 ---- */
.zone-section { background: var(--bg-card2); }
.zone-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.zone-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.zone-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}
.zone-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.zone-card:hover::before { opacity: 1; }
.zone-icon {
  width: 52px;
  height: 52px;
  background: rgba(108,43,217,0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  border: 1px solid rgba(108,43,217,0.3);
}
.zone-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.zone-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }
.zone-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }

/* ---- AI 赋能区域 ---- */
.ai-section { background: var(--bg-dark); }
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.ai-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.ai-img-wrap img { width: 100%; border-radius: var(--radius-lg); }
.ai-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(108,43,217,0.4);
  pointer-events: none;
}
.ai-features { display: flex; flex-direction: column; gap: 20px; }
.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.ai-feature-item:hover { border-color: var(--primary); background: var(--bg-card2); }
.ai-feature-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(108,43,217,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai-feature-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.ai-feature-item p { color: var(--text-muted); font-size: 0.83rem; line-height: 1.6; }

/* ---- 专家展示 ---- */
.experts-section { background: var(--bg-card2); }
.experts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); border-color: var(--primary); }
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 3px solid rgba(108,43,217,0.4);
}
.expert-name { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.expert-title { color: var(--accent); font-size: 0.82rem; margin-bottom: 10px; }
.expert-desc { color: var(--text-muted); font-size: 0.8rem; line-height: 1.6; margin-bottom: 14px; }
.expert-actions { display: flex; gap: 8px; justify-content: center; }
.expert-actions a {
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 15px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: var(--transition);
}
.expert-actions a:hover { border-color: var(--primary); color: var(--primary-light); }

/* ---- 社区功能 ---- */
.community-section { background: var(--bg-dark); }
.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.comm-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.comm-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.comm-card-img {
  height: 160px;
  overflow: hidden;
  position: relative;
}
.comm-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.comm-card:hover .comm-card-img img { transform: scale(1.05); }
.comm-card-body { padding: 18px; }
.comm-card-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.comm-card-body p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; }
.comm-live-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--secondary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}
.comm-live-badge::before { content: '●'; font-size: 0.5rem; animation: blink 1s infinite; }

/* ---- 合作品牌 ---- */
.partners-section { background: var(--bg-card2); }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  align-items: center;
}
.partner-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.partner-item:hover { border-color: var(--primary); color: var(--text-main); background: var(--bg-card2); }

/* ---- 用户评价 ---- */
.reviews-section { background: var(--bg-dark); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.review-stars { color: #FFB800; font-size: 0.9rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { color: var(--text-light); font-size: 0.85rem; line-height: 1.7; margin-bottom: 14px; }
.review-user { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 0.85rem; font-weight: 600; }
.review-date { color: var(--text-muted); font-size: 0.75rem; }

/* ---- FAQ ---- */
.faq-section { background: var(--bg-card2); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  transition: var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-q .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(108,43,217,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 20px 18px; }

/* ---- 联系我们 ---- */
.contact-section { background: var(--bg-dark); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.contact-item-icon {
  font-size: 1.3rem;
  width: 40px;
  height: 40px;
  background: rgba(108,43,217,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item-label { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 3px; }
.contact-item-value { font-size: 0.9rem; font-weight: 600; }
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.qr-item { text-align: center; }
.qr-item img { width: 140px; height: 140px; object-fit: cover; border-radius: var(--radius); margin: 0 auto 10px; border: 2px solid var(--border); }
.qr-item p { font-size: 0.82rem; color: var(--text-muted); }

/* ---- 社交分享 ---- */
.share-bar {
  background: var(--bg-card2);
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.share-inner { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.share-label { color: var(--text-muted); font-size: 0.88rem; }
.share-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--border);
  color: var(--text-light);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
}
.share-btn:hover { transform: translateY(-2px); }
.share-btn.wechat:hover { border-color: #07C160; color: #07C160; }
.share-btn.weibo:hover { border-color: #E6162D; color: #E6162D; }
.share-btn.douyin:hover { border-color: #FE2C55; color: #FE2C55; }
.share-btn.bilibili:hover { border-color: #00A1D6; color: #00A1D6; }

/* ---- 页脚 ---- */
.site-footer {
  background: #080614;
  padding: 60px 0 0;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand .logo-text { font-size: 1.5rem; display: block; margin-bottom: 14px; }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.8; margin-bottom: 18px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.85rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.82rem; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-muted); font-size: 0.82rem; }
.footer-links a:hover { color: var(--accent); }
.update-time { color: var(--text-muted); font-size: 0.78rem; }

/* ---- 加入社区 How-To ---- */
.howto-section { background: var(--bg-card2); }
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.howto-steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.4;
  z-index: 0;
}
.howto-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-glow);
}
.howto-step h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.howto-step p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; }

/* ---- 移动端适配 ---- */
@media (max-width: 1024px) {
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13,11,26,0.98);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .zone-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: repeat(2, 1fr); }
  .howto-steps::before { display: none; }
  .hero-stats { gap: 20px; }
  .section-title { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .anime-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .qr-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .anime-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .experts-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr; }
  .search-tags { display: none; }
}

/* ---- 懒加载占位 ---- */
img[data-src] {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card2) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- 模型图片展示 ---- */
.model-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.model-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3/4;
}
.model-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.model-item:hover img { transform: scale(1.05); }
.model-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: #fff;
  font-size: 0.85rem;
  transform: translateY(100%);
  transition: var(--transition);
}
.model-item:hover .model-overlay { transform: translateY(0); }

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
}
.breadcrumb ol { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb li { color: var(--text-muted); font-size: 0.85rem; }
.breadcrumb li a { color: var(--text-muted); }
.breadcrumb li a:hover { color: var(--accent); }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 8px; color: var(--border); }

/* ---- 内页 Hero ---- */
.page-hero {
  background: var(--gradient-hero);
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(108,43,217,0.2) 0%, transparent 70%);
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  position: relative;
  z-index: 1;
}
.page-hero p { color: var(--text-muted); position: relative; z-index: 1; margin-top: 10px; font-size: 1rem; }

/* ---- 加载动画 ---- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }