/* =============================================
   玩物社区 - 主样式文件
   bdxyhe.cn | 游戏解说视频社区
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --primary: #e91e8c;
  --primary-dark: #b5156d;
  --secondary: #7c3aed;
  --secondary-dark: #5b21b6;
  --accent: #f59e0b;
  --accent2: #06b6d4;
  --dark: #0d0d1a;
  --dark2: #13132a;
  --dark3: #1a1a35;
  --card-bg: #1e1e3a;
  --card-border: rgba(124,58,237,0.3);
  --text-main: #f0f0ff;
  --text-muted: #a0a0c0;
  --text-light: #d0d0e8;
  --gradient-main: linear-gradient(135deg, #e91e8c 0%, #7c3aed 100%);
  --gradient-dark: linear-gradient(135deg, #0d0d1a 0%, #1a1a35 100%);
  --shadow-glow: 0 0 20px rgba(233,30,140,0.3);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
}

/* ---- 重置 & 基础 ---- */
*, *::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(--dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-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-pad { padding: 80px 0; }
.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.badge-primary { background: rgba(233,30,140,0.15); color: var(--primary); border: 1px solid rgba(233,30,140,0.3); }
.badge-secondary { background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); }
.badge-accent { background: rgba(245,158,11,0.15); color: var(--accent); border: 1px solid rgba(245,158,11,0.3); }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 15px rgba(233,30,140,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(233,30,140,0.5); }
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-secondary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(124,58,237,0.4);
}
.btn-secondary:hover { background: var(--secondary-dark); transform: translateY(-2px); }

/* ---- 标题样式 ---- */
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 600px;
}
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-header.center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: var(--gradient-main);
  padding: 8px 0;
  font-size: 13px;
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 100;
}
.top-bar a { color: #fff; font-weight: 600; }
.top-bar .marquee-wrap { overflow: hidden; white-space: nowrap; }
.top-bar .marquee-inner { display: inline-block; animation: marquee 30s linear infinite; }
@keyframes marquee { 0% { transform: translateX(100vw); } 100% { transform: translateX(-100%); } }

/* ---- 导航栏 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(13,13,26,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(124,58,237,0.2);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 70px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-wrap img.logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}
.logo-wrap img.logo-text {
  height: 36px;
  width: auto;
}
.logo-wrap .brand-name {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.main-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  white-space: nowrap;
  transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: rgba(233,30,140,0.1);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.ggvinw {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.ggvinw span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 搜索框 ---- */
.nuaz959 {
  background: var(--dark2);
  border-bottom: 1px solid rgba(124,58,237,0.15);
  padding: 12px 0;
}
.vl0za {
  display: flex;
  align-items: center;
  max-width: 700px;
  margin: 0 auto;
  background: var(--dark3);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 40px;
  padding: 0 20px;
  gap: 12px;
  transition: var(--transition);
}
.vl0za:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(233,30,140,0.15);
}
.vl0za input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 15px;
  padding: 12px 0;
  font-family: inherit;
}
.vl0za input::placeholder { color: var(--text-muted); }
.vl0za .sd5e0v { color: var(--text-muted); font-size: 18px; }
.vl0za .5047f {
  background: var(--gradient-main);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.vl0za .5047f:hover { opacity: 0.9; transform: scale(1.02); }
.vp2sg3yq {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 700px;
  margin: 8px auto 0;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}
.vp2sg3yq span.label { color: var(--text-muted); }
.vp2sg3yq a {
  color: var(--text-light);
  padding: 2px 10px;
  border-radius: 12px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  transition: var(--transition);
}
.vp2sg3yq a:hover { color: var(--primary); border-color: var(--primary); }

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 14px 0;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }

/* ---- Hero Banner ---- */
.hero-banner {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner-hero.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.5);
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,13,26,0.8) 0%, rgba(124,58,237,0.2) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(233,30,140,0.15);
  border: 1px solid rgba(233,30,140,0.4);
  border-radius: 30px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 17px;
  color: var(--text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}
.hero-stat-item .num {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-item .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}
.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 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-btn-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-btn-overlay { opacity: 1; }
.play-btn-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(233,30,140,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(233,30,140,0.6);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}
.video-card:hover .play-btn-circle { transform: scale(1); }
.play-btn-circle svg { width: 22px; height: 22px; fill: #fff; margin-left: 4px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.video-quality {
  position: absolute;
  top: 8px;
  left: 8px;
}
.video-info { padding: 16px; }
.video-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.video-meta .author {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  font-weight: 500;
}
.video-meta .author img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}
.video-stats {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* ---- 特色视频大卡 ---- */
.featured-video-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  transition: var(--transition);
}
.featured-video-card:hover { border-color: var(--primary); box-shadow: var(--shadow-glow); }
.featured-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.featured-thumb img { width: 100%; height: 100%; object-fit: cover; }
.featured-info { padding: 32px; display: flex; flex-direction: column; justify-content: center; }
.featured-tag { margin-bottom: 12px; }
.featured-title { font-size: 22px; font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.featured-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.7; }

/* ---- 分类标签导航 ---- */
.tab-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.tab-btn {
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted);
  background: var(--dark3);
  transition: var(--transition);
  cursor: pointer;
}
.tab-btn:hover, .tab-btn.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(233,30,140,0.3);
}

/* ---- 专家卡片 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  transition: var(--transition);
  text-align: center;
}
.expert-card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: var(--shadow-glow); }
.expert-photo {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.expert-photo img { width: 100%; height: 100%; object-fit: cover; }
.expert-photo::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, var(--card-bg));
}
.expert-body { padding: 20px; }
.expert-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.expert-role { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.expert-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.expert-social { display: flex; gap: 10px; justify-content: center; }
.expert-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--dark3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}
.expert-social a:hover { background: var(--primary); border-color: var(--primary); }
.expert-actions { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.expert-actions .btn { padding: 8px 16px; font-size: 13px; }

/* ---- 社区模块 ---- */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.community-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--card-border);
  transition: var(--transition);
  text-align: center;
}
.community-card:hover { transform: translateY(-4px); border-color: var(--accent2); box-shadow: 0 0 20px rgba(6,182,212,0.2); }
.community-icon {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
}
.community-name { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.community-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.community-count { font-size: 22px; font-weight: 800; color: var(--accent2); margin: 8px 0; }

/* ---- AI赋能模块 ---- */
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--card-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ai-feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.ai-feature-card:hover { border-color: var(--secondary); transform: translateY(-4px); }
.ai-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(233,30,140,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  border: 1px solid rgba(124,58,237,0.3);
}
.ai-feature-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.ai-feature-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ---- 用户评价 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--card-border);
  transition: var(--transition);
}
.review-card:hover { border-color: rgba(233,30,140,0.4); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.reviewer-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.reviewer-info .name { font-size: 15px; font-weight: 600; }
.reviewer-info .meta { font-size: 12px; color: var(--text-muted); }
.review-stars { color: var(--accent); font-size: 14px; margin-bottom: 12px; }
.review-text { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.review-game-tag { margin-top: 12px; }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid var(--card-border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  gap: 16px;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(233,30,140,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--primary);
  font-size: 18px;
  font-weight: 300;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }

/* ---- 合作品牌墙 ---- */
.partner-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.partner-logo-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
  text-align: center;
}
.partner-logo-item:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); }

/* ---- 联系我们 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-block { }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}
.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.contact-value { font-size: 15px; font-weight: 600; }
.qr-codes-row {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.qr-code-item { text-align: center; }
.qr-code-item img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  border-radius: var(--radius);
  border: 2px solid var(--card-border);
  margin-bottom: 8px;
}
.qr-code-item p { font-size: 13px; color: var(--text-muted); }

/* ---- 社交分享 ---- */
.3o88oj3 {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.x4ipoo { font-size: 14px; color: var(--text-muted); }
.nuzizl5 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.zzwhqirn { background: #07c160; color: #fff; }
.dyf6kaq { background: #e6162d; color: #fff; }
.spmd12m8 { background: #000; color: #fff; border: 1px solid #333; }
.otq1dod { background: #00a1d6; color: #fff; }
.nuzizl5:hover { opacity: 0.85; transform: translateY(-2px); }

/* ---- 页脚 ---- */
.site-footer {
  background: var(--dark2);
  border-top: 1px solid rgba(124,58,237,0.2);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-name { font-size: 22px; font-weight: 800; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--text-muted); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--dark3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); border-color: var(--primary); }

/* ---- 页面内横幅 ---- */
.inner-page-hero {
  background: var(--dark2);
  padding: 60px 0;
  border-bottom: 1px solid rgba(124,58,237,0.2);
  position: relative;
  overflow: hidden;
}
.inner-page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(233,30,140,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.inner-page-hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.inner-hero-content { position: relative; z-index: 1; }
.inner-hero-content h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 900; margin-bottom: 12px; }
.inner-hero-content p { font-size: 16px; color: var(--text-muted); max-width: 600px; }

/* ---- 分页 ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.page-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.page-btn:hover, .page-btn.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}

/* ---- 加载动画 ---- */
.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(233,30,140,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- 悬浮回顶部按钮 ---- */
.qsgmzd8 {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(233,30,140,0.4);
  transition: var(--transition);
  z-index: 500;
  opacity: 0;
  transform: translateY(20px);
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.qsgmzd8:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(233,30,140,0.5); }

/* ---- 移动端菜单 ---- */
.o13nj6og {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13,13,26,0.98);
  z-index: 998;
  padding: 24px 20px;
  overflow-y: auto;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu.open { display: flex; }
.o13nj6og a {
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.o13nj6og a:hover { color: var(--primary); border-color: rgba(233,30,140,0.3); background: rgba(233,30,140,0.05); }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .ai-features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .featured-video-card { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .ggvinw { display: flex; }
  .hero-banner { min-height: 480px; }
  .hero-stats { gap: 24px; }
  .ai-features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .section-pad { padding: 56px 0; }
  .expert-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
}
@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .video-grid { grid-template-columns: 1fr; }
  .partner-logos { gap: 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .qr-codes-row { gap: 16px; }
}

/* ---- 补充样式 ---- */

/* 导航结构适配 */
.main-nav {
  display: flex;
  align-items: center;
  height: 70px;
  gap: 8px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  margin-left: 16px;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-item.active .nav-link {
  color: var(--primary);
  background: rgba(233,30,140,0.1);
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--dark2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-muted);
  border-radius: 8px;
  transition: var(--transition);
}
.dropdown-item:hover {
  background: rgba(233,30,140,0.1);
  color: var(--primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.tfd9ye {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.tfd9ye:hover { background: rgba(233,30,140,0.1); color: var(--primary); }
.search-bar {
  display: none;
  padding: 12px 0;
  border-top: 1px solid var(--card-border);
}
.search-bar.active { display: block; }
.search-bar form {
  display: flex;
  gap: 8px;
  align-items: center;
}
.search-bar input {
  flex: 1;
  background: var(--dark3);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
  transition: var(--transition);
}
.search-bar input:focus { border-color: var(--primary); }
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar button {
  background: var(--gradient-main);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  cursor: pointer;
}
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: 8px;
  cursor: pointer;
}
.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}
.logo-favicon { width: 32px; height: 32px; border-radius: 8px; object-fit: cover; }
.logo-img { display: none; }

/* 回顶部按钮可见状态 */
.back-to-top.visible { opacity: 1; transform: translateY(0); }

/* 懒加载图片 */
img[data-src] { background: var(--dark3); min-height: 100px; }

/* 顶部公告栏 */
.top-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.top-bar-links {
  display: flex;
  gap: 16px;
}
.top-bar-links a { color: rgba(255,255,255,0.85); font-size: 12px; }
.top-bar-links a:hover { color: #fff; }

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark);
    padding: 80px 24px 24px;
    z-index: 999;
    overflow-y: auto;
    align-items: flex-start;
  }
  .nav-item { width: 100%; }
  .nav-link { width: 100%; padding: 14px 16px; font-size: 16px; }
  .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: var(--dark3); margin-top: 4px; }
  .mobile-menu-toggle { display: flex; }
  .top-bar-links { display: none; }
}

/* =============================================
   H5 Video 卡片专用样式
   玩物社区 | bdxyhe.cn
   ============================================= */

/* H5视频卡片容器 */
.video-h5-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

/* 海报图片（覆盖在video元素上） */
.video-h5-card .video-poster-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

/* H5 video元素（隐藏在底层，仅用于语义化） */
.video-h5-card .h5-video-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  pointer-events: none;
}

/* 播放按钮遮罩层 - 默认隐藏 */
.video-h5-card .play-btn-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  z-index: 3;
  transition: opacity 0.25s ease;
}

/* 鼠标悬停时显示播放按钮 */
.video-h5-card:hover .play-btn-overlay {
  opacity: 1;
}

/* 鼠标悬停时海报图轻微放大 */
.video-h5-card:hover .video-poster-img {
  transform: scale(1.05);
}

/* 播放按钮圆圈 */
.video-h5-card .play-btn-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(233, 30, 140, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.85);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 0 0 0 rgba(233, 30, 140, 0.5);
}

.video-h5-card:hover .play-btn-circle {
  transform: scale(1);
  box-shadow: 0 0 0 8px rgba(233, 30, 140, 0.2);
}

.video-h5-card .play-btn-circle svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  margin-left: 4px;
}

/* 视频时长标签 */
.video-h5-card .video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  z-index: 4;
  letter-spacing: 0.5px;
}

/* 触摸设备优化 */
@media (hover: none) {
  .video-h5-card .play-btn-overlay {
    opacity: 0.7;
  }
  .video-h5-card .play-btn-circle {
    transform: scale(1);
  }
}

/* 面包屑导航优化 */
nav.breadcrumb {
  background: var(--dark2);
  border-bottom: 1px solid var(--card-border);
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-muted);
}
nav.breadcrumb a {
  color: var(--primary-light, #f472b6);
  transition: color 0.2s;
}
nav.breadcrumb a:hover {
  color: var(--primary);
}
nav.breadcrumb span[aria-hidden] {
  margin: 0 6px;
  color: var(--text-muted);
}

/* 视频标签云 */
.video-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

/* 社区频道卡片 */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

/* 移动端：社区频道两列 */
@media (max-width: 640px) {
  .community-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .community-card {
    padding: 16px 12px;
  }
  .community-icon {
    font-size: 28px;
  }
}

/* 视频弹窗动画 */
#videoModal {
  animation: modalFadeIn 0.2s ease;
}
@keyframes modalFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
#videoModal > div {
  animation: modalSlideUp 0.25s ease;
}
@keyframes modalSlideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Toast提示 */
#txvToast {
  animation: toastIn 0.2s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* 内页Hero */
.inner-page-hero {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--dark2), var(--dark3));
  border-bottom: 1px solid var(--card-border);
}
.inner-hero-content {
  max-width: 720px;
}
.inner-hero-content h1 {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.3;
}
.inner-hero-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 分页 */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
  text-decoration: none;
}
.page-btn:hover,
.page-btn.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}

/* 移动端全局优化 */
@media (max-width: 768px) {
  .section-pad { padding: 48px 0; }
  .inner-page-hero { padding: 40px 0; }
  .video-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 480px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
  .tab-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }
  .tab-nav::-webkit-scrollbar { display: none; }
  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
}