:root{--primary:#ff4b72;--primary-dark:#331320;--primary-light:#ff758f;--accent:#ffb703;--accent-dark:#fb8500;--bg-dark:#121016;--bg-card:#1c1824;--bg-section:#16131e;--text-primary:#e8eaf0;--text-secondary:#9ba3af;--text-muted:#6b7280;--border:#2d3748;--red:#e53e3e;--gradient-main:linear-gradient(135deg,#ff4b72 0%,#0f4a28 50%,#0d1117 100%);--gradient-card:linear-gradient(180deg,#161b22 0%,#0d1117 100%);--shadow:0 4px 20px rgba(0,0,0,0.4);--shadow-hover:0 8px 30px rgba(255,75,114,0.3);--radius:12px;--radius-sm:8px;--transition:all 0.3s ease;}*{margin:0;padding:0;box-sizing:border-box;}html{scroll-behavior:smooth;font-size:16px;}body{font-family:"PingFang SC","Microsoft YaHei","Helvetica 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rgba(0,0,0,0.5);}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--text-primary);letter-spacing:-0.5px;}.logo-icon{width:42px;height:42px;background:var(--gradient-main);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;color:#fff;border:2px solid var(--primary-light);box-shadow:0 0 15px rgba(255,75,114,0.4);flex-shrink:0;}.logo-text{display:flex;flex-direction:column;}.logo-text span:first-child{color:var(--text-primary);font-size:20px;}.logo-text span:last-child{font-size:11px;color:var(--primary-light);font-weight:400;letter-spacing:1px;}nav{display:flex;align-items:center;gap:4px;}nav a{color:var(--text-secondary);font-size:14px;padding:8px 14px;border-radius:var(--radius-sm);transition:var(--transition);font-weight:500;white-space:nowrap;}nav a:hover,nav a.active{color:var(--text-primary);background:rgba(255,75,114,0.2);}.header-actions{display:flex;align-items:center;gap:10px;}.btn-login{background:transparent;border:1px solid var(--primary);color:var(--primary-light);padding:7px 16px;border-radius:20px;font-size:13px;cursor:pointer;transition:var(--transition);}.btn-login:hover{background:var(--primary);color:#fff;}.btn-join{background:var(--primary);border:none;color:#fff;padding:7px 16px;border-radius:20px;font-size:13px;cursor:pointer;transition:var(--transition);font-weight:600;}.btn-join:hover{background:var(--primary-light);box-shadow:var(--shadow-hover);}.search-bar{background:var(--bg-section);border-bottom:1px solid var(--border);padding:10px 0;}.search-inner{display:flex;align-items:center;max-width:600px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border);border-radius:24px;overflow:hidden;transition:var(--transition);}.search-inner:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,75,114,0.15);}.search-inner input{flex:1;background:transparent;border:none;outline:none;padding:10px 18px;color:var(--text-primary);font-size:14px;}.search-inner input::placeholder{color:var(--text-muted);}.search-inner button{background:var(--primary);border:none;color:#fff;padding:10px 20px;cursor:pointer;font-size:14px;transition:var(--transition);}.search-inner button:hover{background:var(--primary-light);}.container{max-width:1200px;margin:0 auto;padding:0 20px;}.container-wide{max-width:1400px;margin:0 auto;padding:0 20px;}.breadcrumb{padding:12px 0;font-size:13px;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg-section);}.breadcrumb a{color:var(--text-muted);}.breadcrumb a:hover{color:var(--primary-light);}.breadcrumb span{margin:0 6px;}.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--bg-dark);}.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(0.35);z-index:0;}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,17,23,0.9) 0%,rgba(13,17,23,0.4) 60%,transparent 100%);z-index:1;}.hero-content{position:relative;z-index:2;max-width:600px;}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,75,114,0.3);border:1px solid var(--primary);color:var(--primary-light);padding:5px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:1px;margin-bottom:16px;}.hero h1{font-size:clamp(28px,4vw,52px);font-weight:900;line-height:1.2;margin-bottom:16px;color:#fff;}.hero h1 em{color:var(--accent);font-style:normal;}.hero p{font-size:16px;color:#ccc;margin-bottom:28px;line-height:1.8;}.hero-btns{display:flex;gap:12px;flex-wrap:wrap;}.btn-primary{background:var(--primary);color:#fff;padding:12px 28px;border-radius:24px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;}.btn-primary:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}.btn-secondary{background:transparent;color:var(--text-primary);padding:12px 28px;border-radius:24px;font-size:15px;font-weight:600;border:1px solid rgba(255,255,255,0.3);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px;}.btn-secondary:hover{border-color:var(--primary-light);color:var(--primary-light);}.hero-stats{display:flex;gap:32px;margin-top:32px;}.hero-stat{text-align:left;}.hero-stat .num{font-size:28px;font-weight:800;color:var(--accent);}.hero-stat .label{font-size:12px;color:var(--text-muted);margin-top:2px;}.section{padding:60px 0;}.section-alt{background:var(--bg-section);}.section-title{text-align:center;margin-bottom:40px;}.section-title h2{font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--text-primary);margin-bottom:10px;}.section-title h2 span{color:var(--primary-light);}.section-title p{color:var(--text-secondary);font-size:15px;max-width:500px;margin:0 auto;}.section-title-line{width:50px;height:3px;background:var(--primary);margin:12px auto 0;border-radius:2px;}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;}.video-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:var(--transition);cursor:pointer;}.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary);}.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#111;}.video-thumb 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img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}.news-card:hover .news-img img{transform:scale(1.05);}.news-body{padding:18px;flex:1;display:flex;flex-direction:column;}.news-cat{display:inline-block;background:rgba(255,75,114,0.2);color:var(--primary-light);font-size:11px;padding:3px 10px;border-radius:12px;margin-bottom:10px;border:1px solid rgba(255,75,114,0.3);}.news-body h3{font-size:16px;font-weight:700;margin-bottom:10px;line-height:1.5;color:var(--text-primary);}.news-body p{font-size:13px;color:var(--text-secondary);line-height:1.7;flex:1;}.news-footer{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:12px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted);}.news-footer a{color:var(--primary-light);font-size:13px;font-weight:600;}.news-footer a:hover{color:var(--accent);}.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;}.expert-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);text-align:center;transition:var(--transition);}.expert-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);}.expert-avatar{width:90px;height:90px;border-radius:50%;margin:0 auto 14px;overflow:hidden;border:3px solid var(--primary);box-shadow:0 0 20px rgba(255,75,114,0.3);}.expert-avatar img{width:100%;height:100%;object-fit:cover;}.expert-card h3{font-size:17px;font-weight:700;margin-bottom:4px;}.expert-card .role{font-size:13px;color:var(--primary-light);margin-bottom:10px;}.expert-card p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:14px;}.expert-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:14px;}.expert-tag{background:rgba(255,75,114,0.15);color:var(--primary-light);font-size:11px;padding:3px 10px;border-radius:12px;border:1px solid rgba(255,75,114,0.2);}.expert-btns{display:flex;gap:8px;justify-content:center;}.btn-sm{padding:6px 14px;border-radius:16px;font-size:12px;font-weight:600;cursor:pointer;transition:var(--transition);border:none;}.btn-sm-primary{background:var(--primary);color:#fff;}.btn-sm-primary:hover{background:var(--primary-light);}.btn-sm-outline{background:transparent;border:1px solid var(--border);color:var(--text-secondary);}.btn-sm-outline:hover{border-color:var(--primary);color:var(--primary-light);}.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;}.feature-card{background:var(--bg-card);border-radius:var(--radius);padding:24px 20px;border:1px solid var(--border);text-align:center;transition:var(--transition);}.feature-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-hover);}.feature-icon{width:56px;height:56px;background:rgba(255,75,114,0.15);border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:26px;border:1px solid rgba(255,75,114,0.2);}.feature-card h3{font-size:15px;font-weight:700;margin-bottom:8px;}.feature-card p{font-size:13px;color:var(--text-secondary);line-height:1.6;}.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:20px;border:1px solid var(--border);transition:var(--transition);}.review-card:hover{border-color:var(--primary);}.review-stars{color:var(--accent);font-size:16px;margin-bottom:10px;}.review-text{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:14px;}.review-user{display:flex;align-items:center;gap:10px;}.review-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0;}.review-user-info .name{font-size:14px;font-weight:600;}.review-user-info .date{font-size:12px;color:var(--text-muted);}.faq-list{max-width:800px;margin:0 auto;}.faq-item{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:12px;overflow:hidden;}.faq-q{padding:16px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition);color:var(--text-primary);}.faq-q:hover{background:rgba(255,75,114,0.1);color:var(--primary-light);}.faq-q.open{color:var(--primary-light);background:rgba(255,75,114,0.1);}.faq-q span{font-size:18px;transition:transform 0.3s;}.faq-q.open span{transform:rotate(45deg);}.faq-a{display:none;padding:0 20px 16px;font-size:14px;color:var(--text-secondary);line-height:1.8;border-top:1px solid var(--border);}.faq-a.open{display:block;}.partners-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px;}.partner-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--text-muted);transition:var(--transition);min-height:64px;}.partner-item:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(26,107,60,0.05);}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}.contact-info h3{font-size:20px;font-weight:700;margin-bottom:20px;}.contact-item{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px;}.contact-icon{width:44px;height:44px;background:rgba(255,75,114,0.15);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;border:1px solid rgba(255,75,114,0.2);}.contact-item .label{font-size:12px;color:var(--text-muted);margin-bottom:3px;}.contact-item .value{font-size:15px;font-weight:600;color:var(--text-primary);}.qr-codes{display:flex;gap:20px;margin-top:24px;}.qr-item{text-align:center;}.qr-box{width:100px;height:100px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:8px;font-size:11px;color:var(--text-muted);overflow:hidden;}.qr-box svg{width:80px;height:80px;}.qr-item p{font-size:12px;color:var(--text-muted);}.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 0;}.share-label{font-size:14px;color:var(--text-muted);}.share-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;border:none;transition:var(--transition);}.share-wechat{background:#07c160;color:#fff;}.share-weibo{background:#e6162d;color:#fff;}.share-douyin{background:#000;color:#fff;border:1px solid #333;}.share-bilibili{background:#00a1d6;color:#fff;}.share-btn:hover{opacity:0.85;transform:translateY(-1px);}footer{background:#080d12;border-top:1px solid var(--border);padding:50px 0 20px;}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}.footer-brand p{font-size:13px;color:var(--text-muted);line-height:1.8;margin-top:14px;}.footer-col h4{font-size:14px;font-weight:700;color:var(--text-primary);margin-bottom:16px;}.footer-col ul{list-style:none;}.footer-col ul li{margin-bottom:10px;}.footer-col ul li a{font-size:13px;color:var(--text-muted);}.footer-col ul li a:hover{color:var(--primary-light);}.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-muted);}.footer-bottom a{color:var(--text-muted);}.footer-bottom a:hover{color:var(--primary-light);}.tag{display:inline-block;background:rgba(255,75,114,0.15);color:var(--primary-light);font-size:12px;padding:3px 10px;border-radius:12px;border:1px solid rgba(255,75,114,0.2);margin:3px;}.page-hero{background:var(--bg-section);padding:40px 0;border-bottom:1px solid var(--border);position:relative;overflow:hidden;}.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(26,107,60,0.12) 0%,transparent 70%);}.page-hero .container{position:relative;z-index:1;}.page-hero h1{font-size:clamp(24px,3vw,36px);font-weight:800;margin-bottom:10px;}.page-hero p{font-size:15px;color:var(--text-secondary);max-width:600px;}.content-sidebar{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:start;}.sidebar-widget{background:var(--bg-card);border-radius:var(--radius);padding:20px;border:1px solid var(--border);margin-bottom:20px;}.sidebar-widget h4{font-size:15px;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);color:var(--text-primary);}.sidebar-list{list-style:none;}.sidebar-list li{padding:8px 0;border-bottom:1px solid var(--border);font-size:13px;}.sidebar-list li:last-child{border-bottom:none;}.sidebar-list li a{color:var(--text-secondary);display:flex;justify-content:space-between;}.sidebar-list li a:hover{color:var(--primary-light);}.sidebar-list li span{color:var(--text-muted);font-size:12px;}.article-content{background:var(--bg-card);border-radius:var(--radius);padding:30px;border:1px solid var(--border);}.article-content h1{font-size:24px;font-weight:800;margin-bottom:16px;line-height:1.4;}.article-meta{display:flex;gap:16px;font-size:13px;color:var(--text-muted);margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border);flex-wrap:wrap;}.article-body{font-size:15px;line-height:1.9;color:var(--text-secondary);}.article-body h2{font-size:20px;color:var(--text-primary);margin:24px 0 12px;}.article-body h3{font-size:17px;color:var(--text-primary);margin:20px 0 10px;}.article-body p{margin-bottom:16px;}.article-body img{border-radius:var(--radius-sm);margin:20px 0;width:100%;}.comments-section{background:var(--bg-card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);margin-top:20px;}.comments-section h3{font-size:18px;font-weight:700;margin-bottom:20px;}.comment-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border);}.comment-item:last-child{border-bottom:none;}.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0;}.comment-body .user{font-size:14px;font-weight:600;margin-bottom:4px;}.comment-body .text{font-size:14px;color:var(--text-secondary);line-height:1.7;}.comment-body .date{font-size:12px;color:var(--text-muted);margin-top:6px;}.comment-likes{font-size:12px;color:var(--text-muted);margin-top:6px;}.live-badge{display:inline-flex;align-items:center;gap:5px;background:var(--red);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px;letter-spacing:1px;}.live-dot{width:6px;height:6px;background:#fff;border-radius:50%;animation:blink 1s infinite;}@keyframes blink{0%,100%{opacity:1;}50%{opacity:0;}}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}.stat-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;text-align:center;border:1px solid var(--border);transition:var(--transition);}.stat-card:hover{border-color:var(--primary);}.stat-card .num{font-size:32px;font-weight:900;color:var(--accent);}.stat-card .unit{font-size:14px;color:var(--accent);}.stat-card .label{font-size:13px;color:var(--text-muted);margin-top:6px;}.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap;}.page-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:14px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:var(--transition);}.page-btn:hover,.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;}.hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition);}@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;}.contact-grid{grid-template-columns:1fr;}.content-sidebar{grid-template-columns:1fr;}.stats-row{grid-template-columns:repeat(2,1fr);}}@media (max-width:768px){nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-dark);border-top:1px solid var(--border);flex-direction:column;padding:16px;gap:4px;z-index:999;}nav.open{display:flex;}nav a{padding:10px 16px;border-radius:var(--radius-sm);}.hamburger{display:flex;}.header-inner{position:relative;}.hero{min-height:400px;}.hero h1{font-size:26px;}.hero-stats{gap:20px;}.footer-grid{grid-template-columns:1fr;gap:24px;}.video-grid{grid-template-columns:repeat(2,1fr);}.news-grid{grid-template-columns:1fr;}.expert-grid{grid-template-columns:repeat(2,1fr);}.features-grid{grid-template-columns:repeat(2,1fr);}.reviews-grid{grid-template-columns:1fr;}.stats-row{grid-template-columns:repeat(2,1fr);}.section{padding:40px 0;}.header-actions .btn-login{display:none;}}@media (max-width:480px){.video-grid{grid-template-columns:1fr;}.expert-grid{grid-template-columns:1fr;}.features-grid{grid-template-columns:1fr;}.hero-btns{flex-direction:column;}.stats-row{grid-template-columns:repeat(2,1fr);}.hero-stats{flex-wrap:wrap;}}img[data-src]{opacity:0;transition:opacity 0.4s;}img.loaded{opacity:1;}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.fade-in{animation:fadeInUp 0.6s ease forwards;}.highlight{color:var(--primary-light);font-weight:700;}.accent{color:var(--accent);}.divider{height:1px;background:var(--border);margin:30px 0;}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:700;}.badge-green{background:rgba(255,75,114,0.2);color:var(--primary-light);border:1px solid rgba(255,75,114,0.3);}.badge-gold{background:rgba(240,165,0,0.15);color:var(--accent);border:1px solid rgba(240,165,0,0.2);}.badge-red{background:rgba(229,62,62,0.15);color:#fc8181;border:1px solid rgba(229,62,62,0.2);}.video-player-wrap{background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;}.video-player-wrap img{width:100%;height:100%;object-fit:cover;opacity:0.7;}.video-player-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;}.big-play-btn{width:80px;height:80px;background:rgba(26,107,60,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;border:4px solid rgba(255,255,255,0.8);transition:transform 0.3s;}.big-play-btn:hover{transform:scale(1.1);}.big-play-btn svg{width:36px;height:36px;fill:#fff;margin-left:5px;}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;}.tool-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);text-align:center;transition:var(--transition);cursor:pointer;}.tool-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-hover);}.tool-icon{font-size:40px;margin-bottom:12px;}.tool-card h3{font-size:16px;font-weight:700;margin-bottom:8px;}.tool-card p{font-size:13px;color:var(--text-secondary);}.tool-card .tool-badge{margin-top:12px;}.data-table{width:100%;border-collapse:collapse;font-size:14px;}.data-table th{background:rgba(255,75,114,0.15);color:var(--primary-light);padding:12px 16px;text-align:left;font-weight:600;border-bottom:1px solid var(--border);}.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-secondary);}.data-table tr:hover td{background:rgba(26,107,60,0.05);}.progress-bar{background:var(--border);border-radius:4px;height:6px;overflow:hidden;margin:6px 0;}.progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width 1s ease;}