:root{--pink: #fb7299;--pink-hover: #fc8bab;--blue: #00a1d6;--bg: #f1f2f3;--bg-card: #fff;--bg-header: #fff;--text: #18191c;--text-secondary: #61666d;--text-tertiary: #9499a0;--border: #e3e5e7;--sidebar-bg: #fff;--shadow: 0 1px 3px rgba(0,0,0,.08);font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5;color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}ul{list-style:none}img{display:block;max-width:100%}.app{display:flex;flex-direction:column;min-height:100vh}.main-wrapper{display:flex;max-width:1400px;width:100%;margin:0 auto;padding:0 16px;gap:20px;flex:1}.sidebar{width:200px;flex-shrink:0;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;padding:16px 0}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:#ddd;border-radius:4px}.content-area{flex:1;min-width:0;padding:16px 0 40px}.header{position:sticky;top:0;z-index:100;background:var(--bg-header);box-shadow:var(--shadow);height:64px}.header-inner{max-width:1400px;margin:0 auto;padding:0 16px;height:100%;display:flex;align-items:center;gap:20px}.logo{display:flex;align-items:center;gap:6px;font-size:24px;font-weight:800;color:var(--pink);flex-shrink:0;letter-spacing:-.5px}.logo svg{width:36px;height:36px}.nav-links{display:flex;gap:4px;flex-shrink:0}.nav-links a{padding:6px 14px;border-radius:8px;font-size:14px;font-weight:500;transition:background .15s}.nav-links a:hover{background:#fb729914}.nav-links a.active{color:var(--pink);background:#fb72991a}.search-box{flex:1;max-width:400px;display:flex;margin-left:auto}.search-box input{flex:1;height:40px;padding:0 16px;border:2px solid var(--border);border-right:none;border-radius:8px 0 0 8px;font-size:14px;outline:none;background:var(--bg);transition:border-color .2s}.search-box input:focus{border-color:var(--pink)}.search-box button{width:52px;height:40px;background:var(--pink);color:#fff;border-radius:0 8px 8px 0;display:grid;place-items:center;transition:background .15s}.search-box button:hover{background:var(--pink-hover)}.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.upload-btn{display:flex;align-items:center;gap:4px;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;background:var(--pink);color:#fff;transition:background .15s}.upload-btn:hover{background:var(--pink-hover)}.avatar-btn{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--blue));display:grid;place-items:center;color:#fff;font-size:14px;font-weight:600}.category-bar{background:var(--bg-header);border-bottom:1px solid var(--border);position:sticky;top:64px;z-index:99}.category-bar-inner{max-width:1400px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:4px;overflow-x:auto}.category-bar-inner::-webkit-scrollbar{display:none}.cat-tab{padding:12px 18px;font-size:14px;font-weight:500;white-space:nowrap;color:var(--text-secondary);border-bottom:3px solid transparent;transition:color .15s,border-color .15s}.cat-tab:hover{color:var(--text)}.cat-tab.active{color:var(--pink);border-bottom-color:var(--pink)}.sidebar-section-title{font-size:12px;color:var(--text-tertiary);padding:8px 20px 4px;text-transform:uppercase;letter-spacing:.05em}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 20px;font-size:14px;border-radius:8px;margin:2px 8px;transition:background .15s;cursor:pointer}.sidebar-item:hover{background:#0000000a}.sidebar-item.active{background:#fb72991a;color:var(--pink)}.sidebar-icon{width:20px;height:20px;display:grid;place-items:center;font-size:16px;flex-shrink:0}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.section-title{font-size:20px;font-weight:700;display:flex;align-items:center;gap:8px}.section-title .icon{font-size:22px}.section-more{font-size:13px;color:var(--text-tertiary);display:flex;align-items:center;gap:2px}.section-more:hover{color:var(--pink)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-bottom:32px}.video-card{background:var(--bg-card);border-radius:8px;overflow:hidden;box-shadow:0 1px 2px #0000000f;transition:transform .2s,box-shadow .2s;cursor:pointer}.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f}.video-thumb{position:relative;aspect-ratio:16/9;background:#e8e9eb;overflow:hidden}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.video-card:hover .video-thumb img{transform:scale(1.05)}.thumb-overlay{position:absolute;bottom:0;left:0;right:0;padding:6px 10px;background:linear-gradient(transparent,#000000b3);display:flex;justify-content:space-between;align-items:flex-end}.thumb-stat{display:flex;align-items:center;gap:4px;font-size:12px;color:#ffffffe6}.thumb-stat svg{width:14px;height:14px}.duration-badge{position:absolute;bottom:8px;right:8px;background:#000000bf;color:#fff;font-size:12px;padding:1px 6px;border-radius:4px;font-variant-numeric:tabular-nums}.video-info{padding:10px 12px 12px}.video-title{font-size:14px;font-weight:500;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;transition:color .15s}.video-card:hover .video-title{color:var(--pink)}.video-meta{display:flex;align-items:center;gap:8px}.up-avatar{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);flex-shrink:0;display:grid;place-items:center;font-size:10px;color:#fff;font-weight:600}.up-name{font-size:12px;color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.up-name:hover{color:var(--pink)}.video-date{font-size:12px;color:var(--text-tertiary);margin-left:auto}.live-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:32px}.live-card{background:var(--bg-card);border-radius:8px;overflow:hidden;box-shadow:0 1px 2px #0000000f;cursor:pointer;transition:transform .2s,box-shadow .2s}.live-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f}.live-thumb{position:relative;aspect-ratio:16/9;background:#222;overflow:hidden}.live-thumb img{width:100%;height:100%;object-fit:cover}.live-badge{position:absolute;top:8px;left:8px;background:#f94343;color:#fff;font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;display:flex;align-items:center;gap:4px}.live-badge:before{content:"";width:6px;height:6px;background:#fff;border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.live-viewers{position:absolute;bottom:6px;right:8px;background:#000000a6;color:#fff;font-size:12px;padding:1px 8px;border-radius:4px;display:flex;align-items:center;gap:4px}.live-info{padding:10px 12px}.live-title{font-size:14px;font-weight:500;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}.live-card:hover .live-title{color:var(--pink)}.live-up{font-size:12px;color:var(--text-tertiary);display:flex;align-items:center;gap:6px}.live-category{font-size:12px;color:var(--text-tertiary);background:var(--bg);padding:2px 8px;border-radius:4px;margin-left:auto}.ranking-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin-bottom:32px}.rank-item{display:flex;align-items:center;gap:12px;background:var(--bg-card);border-radius:8px;padding:12px;box-shadow:0 1px 2px #0000000f;cursor:pointer;transition:transform .15s,box-shadow .15s}.rank-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.rank-num{font-size:20px;font-weight:800;width:28px;text-align:center;flex-shrink:0}.rank-item:nth-child(1) .rank-num{color:#f69}.rank-item:nth-child(2) .rank-num{color:#f93}.rank-item:nth-child(3) .rank-num{color:#fc3}.rank-num{color:var(--text-tertiary)}.rank-thumb{width:120px;aspect-ratio:16/9;border-radius:6px;overflow:hidden;flex-shrink:0;background:#e8e9eb}.rank-thumb img{width:100%;height:100%;object-fit:cover}.rank-info{flex:1;min-width:0}.rank-title{font-size:14px;font-weight:500;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:4px}.rank-item:hover .rank-title{color:var(--pink)}.rank-meta{font-size:12px;color:var(--text-tertiary)}.banner{border-radius:12px;overflow:hidden;margin-bottom:24px;position:relative;height:200px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;padding:0 40px}.banner-text{color:#fff;z-index:1}.banner-text h2{font-size:28px;font-weight:800;margin-bottom:8px}.banner-text p{font-size:14px;opacity:.85}.banner-dots{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:6px}.banner-dot{width:8px;height:8px;border-radius:50%;background:#fff6}.banner-dot.active{background:#fff;width:20px;border-radius:4px}@media(max-width:900px){.sidebar,.nav-links{display:none}.video-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}@media(max-width:600px){.header-actions{display:none}.search-box{max-width:none}.banner{height:140px;padding:0 20px}.banner-text h2{font-size:20px}.video-grid{grid-template-columns:repeat(2,1fr);gap:8px}}