/* ============================================
   高清3D动漫 原创样式表
   配色：深邃暗蓝黑 + 活力玫红 + 金黄强调
   ============================================ */

/* === 基础重置与全局 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#0d1117;color:#d1d5db;line-height:1.7;overflow-x:hidden}
a{color:#e94560;text-decoration:none;transition:color .25s}
a:hover{color:#f5c518}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 头部导航 === */
.site-header{position:sticky;top:0;z-index:999;background:rgba(13,17,23,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(233,69,96,.15);padding:0 20px}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:40px;width:auto}
.logo-link span{font-size:1.25rem;font-weight:700;color:#f0f0f0;letter-spacing:1px}
.main-nav ul{display:flex;gap:6px}
.main-nav a{display:block;padding:8px 14px;border-radius:6px;font-size:.9rem;color:#b0b8c4;font-weight:500;transition:all .25s}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(233,69,96,.15)}
.nav-toggle{display:none;background:none;border:none;color:#eee;font-size:1.5rem;cursor:pointer}

/* === 搜索框 === */
.search-bar{background:#161b22;padding:16px 0;border-bottom:1px solid #21262d}
.search-wrap{max-width:640px;margin:0 auto;position:relative}
.search-wrap input{width:100%;padding:12px 48px 12px 20px;border-radius:28px;border:2px solid #30363d;background:#0d1117;color:#eee;font-size:.95rem;outline:none;transition:border-color .3s}
.search-wrap input:focus{border-color:#e94560}
.search-wrap button{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:#e94560;border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1rem;transition:background .3s}
.search-wrap button:hover{background:#f5c518;color:#0d1117}
.search-feedback{text-align:center;color:#f5c518;font-size:.85rem;margin-top:8px;min-height:20px}
.hot-tags{display:flex;gap:8px;justify-content:center;margin-top:10px;flex-wrap:wrap}
.hot-tags span{font-size:.8rem;color:#8b949e}
.hot-tags a{font-size:.8rem;padding:3px 10px;background:#21262d;border-radius:12px;color:#b0b8c4;transition:all .2s}
.hot-tags a:hover{background:#e94560;color:#fff}

/* === 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(.45)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 20px;max-width:800px}
.hero-content h1{font-size:2.8rem;font-weight:800;color:#fff;margin-bottom:16px;text-shadow:0 2px 20px rgba(233,69,96,.4)}
.hero-content h1 em{font-style:normal;color:#e94560}
.hero-content p{font-size:1.15rem;color:#d1d5db;margin-bottom:24px;line-height:1.8}
.hero-content .btn-primary{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#e94560,#c23152);color:#fff;border-radius:28px;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s}
.hero-content .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(233,69,96,.35)}

/* === 通用板块 === */
.section{padding:60px 0}
.section-alt{background:#161b22}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;font-weight:700;color:#f0f0f0;margin-bottom:8px}
.section-title h2 em{font-style:normal;color:#e94560}
.section-title p{color:#8b949e;font-size:.95rem}
.section-title h3{font-size:1.3rem;color:#d1d5db;margin-top:4px}

/* === 视频卡片网格 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#161b22;border-radius:12px;overflow:hidden;border:1px solid #21262d;transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(233,69,96,.12)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.35)}
.video-card:hover .play-btn{opacity:1}
.play-btn svg{width:52px;height:52px;fill:#e94560;filter:drop-shadow(0 2px 8px rgba(233,69,96,.5))}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;font-size:.75rem;padding:2px 8px;border-radius:4px}
.video-info{padding:14px 16px}
.video-info h3{font-size:.95rem;font-weight:600;color:#e6e6e6;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:#8b949e}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;margin-top:8px;padding:2px 8px;font-size:.72rem;background:rgba(233,69,96,.12);color:#e94560;border-radius:4px}

/* === 分类模块（传媒/娱乐/AI） === */
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.cat-card{background:#0d1117;border:1px solid #21262d;border-radius:10px;padding:28px 20px;text-align:center;transition:all .3s}
.cat-card:hover{border-color:#e94560;transform:translateY(-3px)}
.cat-card .cat-icon{font-size:2.2rem;margin-bottom:12px}
.cat-card h4{font-size:1rem;color:#f0f0f0;margin-bottom:6px}
.cat-card p{font-size:.85rem;color:#8b949e;line-height:1.6}

/* === 社区频道 === */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.channel-card{background:linear-gradient(145deg,#161b22,#0d1117);border:1px solid #21262d;border-radius:12px;padding:24px;transition:all .3s;position:relative;overflow:hidden}
.channel-card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:#e94560;border-radius:4px 0 0 4px}
.channel-card:hover{border-color:#e94560;box-shadow:0 0 20px rgba(233,69,96,.08)}
.channel-card h4{font-size:1.05rem;color:#f0f0f0;margin-bottom:8px;padding-left:12px}
.channel-card p{font-size:.85rem;color:#8b949e;padding-left:12px;line-height:1.6}
.channel-card .ch-stats{display:flex;gap:16px;margin-top:12px;padding-left:12px;font-size:.8rem;color:#58a6ff}

/* === 专家团队 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#161b22;border:1px solid #21262d;border-radius:12px;overflow:hidden;text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(233,69,96,.1)}
.expert-card img{width:100%;height:240px;object-fit:cover}
.expert-card .expert-info{padding:20px}
.expert-card h4{font-size:1.05rem;color:#f0f0f0;margin-bottom:4px}
.expert-card .expert-role{font-size:.85rem;color:#e94560;margin-bottom:10px}
.expert-card p{font-size:.83rem;color:#8b949e;line-height:1.6;margin-bottom:14px}
.expert-card .expert-btns{display:flex;gap:10px;justify-content:center}
.expert-card .btn-sm{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #e94560;color:#e94560;transition:all .25s}
.expert-card .btn-sm:hover{background:#e94560;color:#fff}

/* === 合作品牌墙 === */
.brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-bottom:40px}
.brand-wall .brand-item{width:120px;height:60px;background:#21262d;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.85rem;color:#8b949e;border:1px solid #30363d;transition:all .3s}
.brand-wall .brand-item:hover{border-color:#e94560;color:#e94560}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:24px}
.howto-step{background:#0d1117;border:1px solid #21262d;border-radius:10px;padding:24px;text-align:center}
.howto-step .step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:#e94560;color:#fff;font-weight:700;font-size:1.1rem;margin-bottom:12px}
.howto-step h4{color:#f0f0f0;margin-bottom:8px;font-size:.95rem}
.howto-step p{font-size:.83rem;color:#8b949e;line-height:1.6}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#161b22;border:1px solid #21262d;border-radius:10px;padding:24px;position:relative}
.review-card::before{content:"\201C";position:absolute;top:12px;left:16px;font-size:3rem;color:rgba(233,69,96,.2);font-family:Georgia,serif;line-height:1}
.review-card .stars{color:#f5c518;font-size:.9rem;margin-bottom:10px;letter-spacing:2px}
.review-card p{font-size:.9rem;color:#d1d5db;line-height:1.7;margin-bottom:14px;padding-top:10px}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-avatar{width:36px;height:36px;border-radius:50%;background:#e94560;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.85rem}
.review-card .reviewer-name{font-size:.85rem;color:#f0f0f0}
.review-card .reviewer-date{font-size:.75rem;color:#8b949e}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #21262d;border-radius:8px;margin-bottom:12px;overflow:hidden}
.faq-question{padding:16px 20px;background:#161b22;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#e6e6e6;font-size:.95rem;transition:background .3s}
.faq-question:hover{background:#1c2128}
.faq-question .arrow{transition:transform .3s;color:#e94560}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;font-size:.9rem;color:#8b949e;line-height:1.7}
.faq-item.open .faq-answer{max-height:300px;padding:16px 20px}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info{background:#161b22;border:1px solid #21262d;border-radius:12px;padding:30px}
.contact-info h3{color:#f0f0f0;font-size:1.15rem;margin-bottom:16px}
.contact-info .info-item{display:flex;gap:12px;margin-bottom:14px;font-size:.9rem;color:#b0b8c4}
.contact-info .info-item strong{color:#e6e6e6;min-width:80px}
.contact-qr{display:flex;gap:24px;margin-top:20px}
.contact-qr .qr-box{text-align:center}
.contact-qr .qr-box img{width:120px;height:120px;border-radius:8px;margin-bottom:6px}
.contact-qr .qr-box span{font-size:.8rem;color:#8b949e}
.contact-community{background:#161b22;border:1px solid #21262d;border-radius:12px;padding:30px}
.contact-community h3{color:#f0f0f0;font-size:1.15rem;margin-bottom:16px}
.community-links{display:grid;gap:12px}
.community-link{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#0d1117;border:1px solid #21262d;border-radius:8px;transition:all .25s}
.community-link:hover{border-color:#e94560}
.community-link .cl-icon{font-size:1.3rem}
.community-link .cl-text{font-size:.9rem;color:#d1d5db}
.community-link .cl-text small{display:block;font-size:.78rem;color:#8b949e}

/* === 分享按钮 === */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .25s;border:none;cursor:pointer}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}
.share-btn:hover{opacity:.85;transform:translateY(-1px)}

/* === 页脚 === */
.site-footer{background:#0a0e14;border-top:1px solid #21262d;padding:40px 0 20px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-brand p{font-size:.85rem;color:#8b949e;line-height:1.7;margin-top:12px}
.footer-links h4{color:#f0f0f0;font-size:.95rem;margin-bottom:14px}
.footer-links a{display:block;font-size:.85rem;color:#8b949e;padding:3px 0;transition:color .2s}
.footer-links a:hover{color:#e94560}
.footer-bottom{border-top:1px solid #21262d;padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom p{font-size:.8rem;color:#6e7681}
.footer-bottom .update-time{font-size:.8rem;color:#8b949e}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#8b949e}
.breadcrumb a{color:#58a6ff}
.breadcrumb a:hover{color:#e94560}
.breadcrumb span{margin:0 6px;color:#484f58}

/* === 内页通用 === */
.page-header{padding:40px 0;text-align:center;background:linear-gradient(180deg,#161b22,#0d1117)}
.page-header h1{font-size:2rem;color:#f0f0f0;margin-bottom:8px}
.page-header p{color:#8b949e;font-size:.95rem}
.page-content{padding:40px 0}

/* === 响应式 === */
@media(max-width:768px){
  .header-inner{height:56px}
  .main-nav{position:fixed;top:56px;left:0;right:0;background:#0d1117;border-bottom:1px solid #21262d;padding:16px;display:none;z-index:998}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:4px}
  .nav-toggle{display:block}
  .hero-banner{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .expert-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
}
@media(max-width:480px){
  .hero-banner{height:300px}
  .hero-content h1{font-size:1.5rem}
  .section{padding:40px 0}
  .video-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr 1fr}
  .channel-grid{grid-template-columns:1fr}
}