/* 幼女漫画视频社区 - 原创CSS - 碳黑橙色兰博基尼风格 */
*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#ff8c00;--primary-dark:#e67600;--accent:#ffb347;--bg-dark:#0d0d0d;--bg-card:#1a1a1a;--bg-section:#111;--text-main:#f0f0f0;--text-muted:#999;--border:#2a2a2a;--gradient:linear-gradient(135deg,#ff8c00,#ff5500);--shadow:0 4px 20px rgba(255,140,0,0.15)}
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:1.8;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:color .3s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.d-none{display:none!important}
/* 容器 */
.wrapper{max-width:1280px;margin:0 auto;padding:0 24px}
/* 顶部导航 */
.top-nav{background:rgba(13,13,13,0.95);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border);padding:0 24px}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo img{height:46px;width:auto}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--text-main);font-size:15px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:all .3s}
.nav-links a:hover,.nav-links a.active{color:var(--primary);border-bottom-color:var(--primary)}
.nav-toggle{display:none;background:none;border:none;color:var(--text-main);font-size:26px;cursor:pointer}
/* 搜索框 */
.search-bar{background:var(--bg-section);padding:14px 0;border-bottom:1px solid var(--border)}
.search-box{max-width:680px;margin:0 auto;display:flex;gap:10px;padding:0 24px}
.search-box input{flex:1;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:10px 18px;color:var(--text-main);font-size:15px;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:var(--primary)}
.search-box button{background:var(--gradient);color:#fff;border:none;border-radius:8px;padding:10px 28px;font-size:15px;cursor:pointer;font-weight:600;transition:transform .2s}
.search-box button:hover{transform:scale(1.03)}
/* Banner */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(0.5)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:0 24px}
.hero-content h1{font-size:48px;font-weight:800;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.6)}
.hero-content h1 span{color:var(--primary)}
.hero-content p{font-size:18px;color:#ddd;margin-bottom:28px;line-height:1.7}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:var(--gradient);color:#fff;padding:14px 36px;border-radius:10px;font-size:16px;font-weight:600;display:inline-block;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow);color:#fff}
.btn-outline{border:2px solid var(--primary);color:var(--primary);padding:12px 34px;border-radius:10px;font-size:16px;font-weight:600;display:inline-block;transition:all .3s;background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
/* 区块通用 */
.section{padding:60px 0}
.section-alt{background:var(--bg-section)}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;font-weight:700;margin-bottom:10px}
.section-title h2 span{color:var(--primary)}
.section-title p{color:var(--text-muted);font-size:16px}
/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:var(--bg-card);border-radius:12px;overflow:hidden;border:1px solid var(--border);transition:all .35s}
.video-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:var(--shadow)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;cursor:pointer}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:60px;height:60px;background:rgba(255,140,0,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;pointer-events:none}
.play-btn::after{content:"";border-left:22px solid #fff;border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:4px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-meta{padding:16px}
.video-meta h3{font-size:15px;font-weight:600;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-stats{display:flex;gap:14px;color:var(--text-muted);font-size:13px}
.video-date{color:var(--text-muted);font-size:12px;margin-top:6px}
/* 三列模块 */
.col3-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:var(--bg-card);border-radius:14px;padding:32px 24px;border:1px solid var(--border);transition:all .35s;text-align:center}
.module-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-4px)}
.module-icon{font-size:42px;margin-bottom:16px}
.module-card h3{font-size:20px;font-weight:600;margin-bottom:10px;color:var(--primary)}
.module-card p{color:var(--text-muted);font-size:14px;line-height:1.7}
/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.expert-card{background:var(--bg-card);border-radius:14px;overflow:hidden;border:1px solid var(--border);transition:all .35s;text-align:center}
.expert-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-info{padding:18px}
.expert-info h4{font-size:17px;font-weight:600;margin-bottom:4px}
.expert-info .role{color:var(--primary);font-size:13px;margin-bottom:8px}
.expert-info p{color:var(--text-muted);font-size:13px;line-height:1.6}
.expert-links{display:flex;gap:10px;justify-content:center;margin-top:12px}
.expert-links a{background:var(--gradient);color:#fff;padding:6px 14px;border-radius:6px;font-size:12px;font-weight:500}
/* FAQ */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 24px;font-weight:600;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:rgba(255,140,0,0.05)}
.faq-q::after{content:"+";font-size:22px;color:var(--primary);transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:var(--text-muted);line-height:1.8}
.faq-item.active .faq-a{padding:0 24px 18px;max-height:500px}
/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;transition:all .3s}
.review-card:hover{border-color:var(--primary)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.review-name{font-weight:600;font-size:15px}
.review-stars{color:#ffc107;font-size:14px}
.review-text{color:var(--text-muted);font-size:14px;line-height:1.7}
/* 合作伙伴 */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-wall span{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:14px 28px;font-size:15px;font-weight:600;color:var(--text-muted);transition:all .3s}
.partner-wall span:hover{border-color:var(--primary);color:var(--primary)}
/* 页脚 */
.site-footer{background:#080808;border-top:1px solid var(--border);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.footer-brand img{height:40px;margin-bottom:14px}
.footer-brand p{color:var(--text-muted);font-size:13px;line-height:1.7}
.footer-col h4{font-size:16px;font-weight:600;margin-bottom:14px;color:var(--primary)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text-muted);font-size:14px;transition:color .3s}
.footer-col a:hover{color:var(--primary)}
.footer-qr{display:flex;gap:16px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:1px solid var(--border)}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center;color:var(--text-muted);font-size:13px}
/* 面包屑 */
.breadcrumb{padding:14px 0;font-size:14px;color:var(--text-muted)}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 8px;color:#555}
/* 内页布局 */
.page-header{background:var(--bg-section);padding:40px 0;border-bottom:1px solid var(--border)}
.page-header h1{font-size:36px;font-weight:700}
.page-header h1 span{color:var(--primary)}
.page-header p{color:var(--text-muted);margin-top:8px;font-size:16px}
.content-layout{display:grid;grid-template-columns:1fr 320px;gap:30px;padding:40px 0}
.main-content h2{font-size:24px;font-weight:700;margin:30px 0 16px;color:var(--primary)}
.main-content p{color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.sidebar{position:sticky;top:90px;align-self:start}
.sidebar-widget{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}
.sidebar-widget h3{font-size:17px;font-weight:600;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sidebar-widget ul{list-style:none}
.sidebar-widget li{padding:8px 0;border-bottom:1px solid var(--border)}
.sidebar-widget li:last-child{border-bottom:none}
.sidebar-widget a{color:var(--text-muted);font-size:14px}
.sidebar-widget a:hover{color:var(--primary)}
/* 社交分享 */
.share-bar{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.share-btn{padding:8px 18px;border-radius:8px;font-size:13px;font-weight:600;color:#fff;transition:transform .2s}
.share-btn:hover{transform:scale(1.05);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* 回到顶部 */
.back-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999;border:none}
.back-top.show{opacity:1;visibility:visible}
/* 响应式 */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .content-layout{grid-template-columns:1fr}
}
@media(max-width:768px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .col3-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:rgba(13,13,13,0.98);flex-direction:column;padding:20px;gap:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
  .hero-banner{height:380px}
  .hero-content h1{font-size:30px}
  .section-title h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-banner{height:300px}
  .hero-content h1{font-size:24px}
  .hero-btns{flex-direction:column;align-items:center}
}