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var(--primary-light);}.expert-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px;}.expert-title{font-size:12px;color:var(--secondary);margin-bottom:10px;font-weight:600;}.expert-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:14px;}.expert-awards{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:14px;}.expert-awards span{background:rgba(232,98,42,0.15);color:var(--accent-light);font-size:11px;padding:2px 8px;border-radius:10px;}.expert-btns{display:flex;gap:8px;justify-content:center;}.btn-sm{font-size:12px;padding:6px 14px;border-radius:6px;font-weight:600;transition:all var(--transition);}.btn-sm-primary{background:var(--primary);color:#fff;}.btn-sm-primary:hover{background:var(--primary-light);color:#fff;}.btn-sm-outline{border:1px solid 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var(--border);transition:all var(--transition);position:relative;overflow:hidden;}.ai-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-main);}.ai-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}.ai-icon{width:52px;height:52px;border-radius:12px;background:rgba(10,74,124,0.3);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;}.ai-card h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:10px;}.ai-card p{font-size:13px;color:var(--text-muted);line-height:1.7;}.ai-badge{display:inline-block;background:var(--gradient-main);color:#fff;font-size:10px;padding:2px 8px;border-radius:10px;margin-top:12px;font-weight:600;}.reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;}.review-card{background:var(--bg-card);border-radius:var(--radius);padding:22px 20px;border:1px solid var(--border);transition:all var(--transition);}.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);}.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px;}.review-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--primary-light);}.review-user .name{font-size:14px;font-weight:700;color:#fff;}.review-user .date{font-size:12px;color:var(--text-muted);}.review-stars{color:#ffd700;font-size:14px;margin-bottom:8px;}.review-text{font-size:13px;color:var(--text-light);line-height:1.7;}.review-tag{display:inline-block;background:rgba(20,184,166,0.1);color:var(--secondary);font-size:11px;padding:2px 8px;border-radius:10px;margin-top:10px;}.faq-list{max-width:800px;}.faq-item{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:10px;overflow:hidden;transition:border-color 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p{font-size:12px;color:var(--text-muted);}.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 0;}.share-bar span{font-size:13px;color:var(--text-muted);}.share-btn{display:flex;align-items:center;gap:6px;padding:7px 16px;border-radius:20px;font-size:13px;font-weight:600;transition:all var(--transition);border:1px solid var(--border);color:var(--text-muted);background:var(--bg-card);}.share-btn:hover{transform:translateY(-1px);}.share-wechat:hover{border-color:#07c160;color:#07c160;}.share-weibo:hover{border-color:#e6162d;color:#e6162d;}.share-douyin:hover{border-color:#fe2c55;color:#fe2c55;}.share-bilibili:hover{border-color:#00a1d6;color:#00a1d6;}.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 0 0;}.footer-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}.footer-brand 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a:hover{color:var(--secondary);}.footer-bottom{border-top:1px solid var(--border);padding:16px 20px;max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-muted);}.footer-bottom-wrap{border-top:1px solid var(--border);}.footer-links{display:flex;gap:16px;flex-wrap:wrap;}.footer-links a{font-size:12px;color:var(--text-muted);}.footer-links a:hover{color:var(--secondary);}.update-time{font-size:12px;color:var(--text-muted);}.live-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;}.live-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);cursor:pointer;transition:all var(--transition);}.live-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}.live-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}.live-thumb img{width:100%;height:100%;object-fit:cover;}.live-badge{position:absolute;top:8px;left:8px;background:#e8622a;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px;display:flex;align-items:center;gap:4px;}.live-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.5s infinite;}@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.3;}}.live-viewers{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.7);color:#fff;font-size:11px;padding:2px 8px;border-radius:12px;}.live-info{padding:12px;}.live-info h3{font-size:13px;font-weight:600;color:var(--text-main);margin-bottom:6px;}.live-host{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);}.live-host img{width:20px;height:20px;border-radius:50%;object-fit:cover;}.danmaku-wrap{background:var(--bg-card2);border-radius:var(--radius);padding:16px 20px;overflow:hidden;position:relative;height:60px;margin-bottom:24px;}.danmaku-track{display:flex;gap:40px;white-space:nowrap;animation:danmaku-scroll 20s linear infinite;position:absolute;top:50%;transform:translateY(-50%);}@keyframes danmaku-scroll{from{transform:translateY(-50%) translateX(100vw);}to{transform:translateY(-50%) translateX(-100%);}}.danmaku-item{font-size:13px;color:var(--text-light);background:rgba(255,255,255,0.05);padding:4px 12px;border-radius:12px;white-space:nowrap;}.stats-bar{background:var(--gradient-main);padding:32px 0;}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}.stat-item .num{font-size:36px;font-weight:900;color:#fff;line-height:1;margin-bottom:6px;}.stat-item .label{font-size:13px;color:rgba(255,255,255,0.8);}.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;}.step-card{background:var(--bg-card);border-radius:var(--radius);padding:24px 20px;border:1px solid var(--border);position:relative;}.step-num{width:36px;height:36px;border-radius:50%;background:var(--gradient-main);color:#fff;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}.step-card h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:8px;}.step-card p{font-size:13px;color:var(--text-muted);line-height:1.7;}.page-hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--bg-dark) 100%);padding:48px 0;border-bottom:1px solid var(--border);}.page-hero h1{font-size:clamp(24px,4vw,40px);font-weight:800;color:#fff;margin-bottom:10px;}.page-hero p{font-size:15px;color:var(--text-muted);max-width:600px;line-height:1.8;}.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap;}.page-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);font-size:13px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);}.page-btn:hover,.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;}.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;background:rgba(13,17,23,0.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:16px 20px;z-index:999;flex-direction:column;gap:4px;}.mobile-menu.open{display:flex;}.mobile-menu a{color:var(--text-light);font-size:15px;padding:12px 16px;border-radius:var(--radius-sm);transition:all var(--transition);}.mobile-menu a:hover{background:var(--primary);color:#fff;}.video-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.9);z-index:9999;align-items:center;justify-content:center;}.video-modal.open{display:flex;}.modal-inner{background:var(--bg-card);border-radius:var(--radius);padding:20px;max-width:800px;width:90%;position:relative;}.modal-close{position:absolute;top:-40px;right:0;color:#fff;font-size:28px;cursor:pointer;background:none;line-height:1;}.modal-video{width:100%;aspect-ratio:16/9;background:#000;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px;}@media (max-width:1024px){.footer-inner{grid-template-columns:1fr 1fr;}.stats-grid{grid-template-columns:repeat(2,1fr);}}@media (max-width:768px){.main-nav,.header-actions{display:none;}.hamburger{display:flex;}.hero-section{min-height:380px;}.hero-content{padding:40px 20px;}.footer-inner{grid-template-columns:1fr;gap:24px;}.stats-grid{grid-template-columns:repeat(2,1fr);}.video-grid{grid-template-columns:repeat(2,1fr);}.video-grid-vertical{grid-template-columns:repeat(2,1fr);}.expert-grid{grid-template-columns:repeat(2,1fr);}.community-grid{grid-template-columns:repeat(2,1fr);}.search-hot-tags{display:none;}.footer-bottom{flex-direction:column;text-align:center;}}@media (max-width:480px){.video-grid{grid-template-columns:1fr;}.expert-grid{grid-template-columns:1fr;}.stats-grid{grid-template-columns:repeat(2,1fr);}.hero-stats{gap:16px;}.hero-stat .num{font-size:22px;}}img[data-src]{background:var(--bg-card2);}::-webkit-scrollbar{width:6px;height:6px;}::-webkit-scrollbar-track{background:var(--bg-dark);}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}::-webkit-scrollbar-thumb:hover{background:var(--text-muted);}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.fade-in{animation:fadeInUp 0.6s ease forwards;}.inner-page-desc{background:var(--bg-card);border-radius:var(--radius);padding:24px 28px;border-left:4px solid var(--primary-light);margin-bottom:32px;font-size:14px;color:var(--text-light);line-height:1.9;}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}.tag{background:rgba(10,74,124,0.2);color:var(--secondary);font-size:12px;padding:4px 12px;border-radius:12px;border:1px solid rgba(20,184,166,0.2);}