/* 国产视频 游戏解说视频社区 - 全站样式 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#e0e0e0;background:#0a0e1a;line-height:1.8}
a{color:#4fa3f7;text-decoration:none;transition:color .3s}
a:hover{color:#ffd700}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4,h5,h6{color:#ffd700;font-weight:700;line-height:1.4}
h1{font-size:2.2rem;margin-bottom:20px}
h2{font-size:1.8rem;margin-bottom:16px}
h3{font-size:1.4rem;margin-bottom:12px}
h4{font-size:1.2rem;margin-bottom:10px}
p{margin-bottom:14px;color:#c0c8d8}

/* 导航栏 */
.site-header{background:linear-gradient(135deg,#0d1117 0%,#161b22 100%);border-bottom:2px solid #1a3a5c;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,100,255,.15)}
.nav-wrap{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:700;color:#ffd700}
.nav-logo img{border-radius:6px}
.nav-menu{display:flex;list-style:none;gap:6px}
.nav-menu li a{padding:8px 14px;border-radius:6px;color:#c0c8d8;font-size:.95rem;transition:all .3s}
.nav-menu li a:hover,.nav-menu li a.active{background:linear-gradient(135deg,#1a3a5c,#0d47a1);color:#ffd700}
.nav-toggle{display:none;background:none;border:1px solid #4fa3f7;color:#4fa3f7;font-size:1.5rem;padding:4px 10px;border-radius:4px;cursor:pointer}

/* 搜索框 */
.search-bar{background:#0d1117;padding:12px 0;border-bottom:1px solid #1a2332}
.search-wrap{max-width:600px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.search-wrap input{flex:1;padding:10px 16px;border:2px solid #1a3a5c;border-radius:8px;background:#161b22;color:#e0e0e0;font-size:1rem;outline:none;transition:border-color .3s}
.search-wrap input:focus{border-color:#4fa3f7}
.search-wrap button{padding:10px 24px;background:linear-gradient(135deg,#1565c0,#0d47a1);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1rem;transition:all .3s}
.search-wrap button:hover{background:linear-gradient(135deg,#1976d2,#1565c0)}

/* Banner */
.hero-banner{position:relative;overflow:hidden;min-height:500px;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(10,14,26,.7) 0%,rgba(10,14,26,.85) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;padding:40px 20px;max-width:800px}
.hero-content h1{font-size:2.8rem;color:#ffd700;text-shadow:0 0 30px rgba(255,215,0,.3);margin-bottom:16px}
.hero-content p{font-size:1.15rem;color:#c0c8d8;margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:16px}
.hero-tags span{background:rgba(79,163,247,.15);border:1px solid rgba(79,163,247,.3);color:#4fa3f7;padding:6px 16px;border-radius:20px;font-size:.9rem}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.9rem;color:#8899aa}
.breadcrumb a{color:#4fa3f7}
.breadcrumb span{margin:0 6px}

/* 模块标题 */
.section{padding:50px 0}
.section:nth-child(even){background:#0d1117}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{display:inline-block;position:relative;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#4fa3f7,#ffd700);border-radius:2px}
.section-title p{color:#8899aa;margin-top:10px;font-size:1rem}

/* 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 #1a2332;transition:all .3s;position:relative}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(79,163,247,.2);border-color:#4fa3f7}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#0d1117}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.video-thumb video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(79,163,247,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer;border:3px solid rgba(255,255,255,.3)}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem}
.video-info{padding:14px}
.video-info h3{font-size:1rem;color:#e0e0e0;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info h3 a{color:#e0e0e0}
.video-info h3 a:hover{color:#ffd700}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:#6a7a8a}
.video-meta span{display:flex;align-items:center;gap:4px}

/* 专家团队 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#161b22;border-radius:12px;padding:24px;text-align:center;border:1px solid #1a2332;transition:all .3s}
.expert-card:hover{border-color:#ffd700;box-shadow:0 4px 20px rgba(255,215,0,.1)}
.expert-avatar{width:90px;height:90px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,#1565c0,#0d47a1);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#ffd700;border:3px solid #ffd700}
.expert-card h4{color:#ffd700;margin-bottom:6px}
.expert-card .role{color:#4fa3f7;font-size:.9rem;margin-bottom:10px}
.expert-card p{font-size:.9rem;color:#8899aa}
.expert-links{margin-top:12px;display:flex;gap:8px;justify-content:center}
.expert-links a{padding:6px 14px;border-radius:6px;font-size:.85rem;border:1px solid #4fa3f7;color:#4fa3f7;transition:all .3s}
.expert-links a:hover{background:#4fa3f7;color:#0a0e1a}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#161b22;border:1px solid #1a2332;border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#e0e0e0;transition:background .3s}
.faq-q:hover{background:#1a2332}
.faq-q::after{content:'+';font-size:1.4rem;color:#4fa3f7;transition:transform .3s}
.faq-item.active .faq-q::after{content:'-';transform:rotate(180deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:all .4s;color:#8899aa}
.faq-item.active .faq-a{padding:0 20px 16px;max-height:500px}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#161b22;border-radius:12px;padding:20px;border:1px solid #1a2332}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#1565c0,#4fa3f7);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#e0e0e0}
.review-date{font-size:.8rem;color:#6a7a8a}
.review-stars{color:#ffd700;margin-bottom:8px;font-size:.9rem}
.review-text{font-size:.95rem;color:#c0c8d8;line-height:1.7}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.brand-wall .brand-item{background:#161b22;border:1px solid #1a2332;border-radius:10px;padding:16px 28px;color:#8899aa;font-size:1rem;transition:all .3s}
.brand-wall .brand-item:hover{border-color:#4fa3f7;color:#4fa3f7}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:#161b22;border-radius:12px;padding:24px;border:1px solid #1a2332;text-align:center}
.contact-card h4{color:#ffd700;margin-bottom:12px}
.contact-card p{color:#8899aa;font-size:.95rem}
.contact-card img{margin:10px auto;max-width:160px;border-radius:8px}

/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{padding:10px 20px;border-radius:8px;color:#fff;font-size:.9rem;cursor:pointer;border:none;transition:all .3s}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#fb7299}
.share-btn:hover{opacity:.85;transform:translateY(-2px)}

/* 页脚 */
.site-footer{background:#0d1117;border-top:2px solid #1a3a5c;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#ffd700;margin-bottom:14px;font-size:1.05rem}
.footer-col a{display:block;color:#8899aa;padding:4px 0;font-size:.9rem;transition:color .3s}
.footer-col a:hover{color:#4fa3f7}
.footer-col p{color:#8899aa;font-size:.9rem}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #1a2332;color:#6a7a8a;font-size:.85rem}
.footer-bottom a{color:#4fa3f7}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{border-radius:6px}
.footer-logo span{font-size:1.2rem;font-weight:700;color:#ffd700}

/* EEAT声明 */
.eeat-notice{background:#161b22;border:1px solid #1a3a5c;border-radius:10px;padding:16px 24px;margin:30px auto;max-width:800px;text-align:center;color:#8899aa;font-size:.9rem}
.eeat-notice strong{color:#ffd700}

/* How-To指南 */
.howto-steps{max-width:700px;margin:0 auto}
.howto-step{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start}
.step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#1565c0,#0d47a1);color:#ffd700;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;flex-shrink:0}
.step-content h4{color:#e0e0e0;margin-bottom:4px}
.step-content p{color:#8899aa;font-size:.95rem}

/* AI赋能 */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,#161b22,#1a2332);border-radius:12px;padding:24px;border:1px solid #1a3a5c;text-align:center;transition:all .3s}
.ai-card:hover{border-color:#4fa3f7;transform:translateY(-3px)}
.ai-icon{font-size:2.5rem;margin-bottom:12px}
.ai-card h4{color:#ffd700;margin-bottom:8px}
.ai-card p{color:#8899aa;font-size:.9rem}

/* 视频过滤器 */
.video-filter{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.filter-btn{padding:8px 18px;border-radius:20px;border:1px solid #1a3a5c;background:transparent;color:#8899aa;cursor:pointer;transition:all .3s;font-size:.9rem}
.filter-btn:hover,.filter-btn.active{background:linear-gradient(135deg,#1565c0,#0d47a1);color:#ffd700;border-color:#4fa3f7}

/* 干扰标签隐藏 */
.tx-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* 响应式 */
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:60px;left:0;right:0;background:#0d1117;flex-direction:column;padding:16px;border-bottom:2px solid #1a3a5c}
  .nav-menu.active{display:flex}
  .nav-toggle{display:block}
  .hero-content h1{font-size:1.8rem}
  .hero-banner{min-height:350px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .section{padding:30px 0}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:1.5rem}
  .search-wrap{flex-direction:column}
}