*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#0a0a0a;color:#fff;-webkit-font-smoothing:antialiased}.app{max-width:480px;margin:0 auto;min-height:100vh;position:relative}.header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:#a2252d;position:sticky;top:0;z-index:100}.icon-btn{background:none;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:6px}.hamburger{width:22px;height:2px;background:#fff;position:relative}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0;width:100%;height:2px;background:#fff}.hamburger:before{top:-7px}.hamburger:after{top:7px}.logo{display:flex;align-items:center;gap:8px;margin-left:10px}.logo-icon{width:32px;height:32px;border-radius:50%;object-fit:cover}.logo-text{display:flex;align-items:center;line-height:1;font-size:18px;letter-spacing:.5px}.logo-bold{font-weight:700}.logo-light{font-weight:400}.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.join-btn{background:#fff;color:#8b1e2b;border:none;padding:7px 14px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer}.more-btn{flex-direction:column;gap:4px}.more-btn span{width:4px;height:4px;background:#fff;border-radius:50%}.category-nav{display:flex;align-items:center;background:#303133;padding:0 0 0 12px;overflow-x:auto;scrollbar-width:none}.category-nav::-webkit-scrollbar{display:none}.nav-items{display:flex;flex:1}.nav-item{color:#fff;font-weight:700;text-decoration:none;padding:14px 14px 12px;font-size:14px;white-space:nowrap;border-bottom:2px solid transparent;transition:all .2s}.nav-item.active{border-bottom-color:#ff4d6d}.search-btn{position:sticky;right:0;background:#303133;padding:12px;z-index:10}.search-btn svg{width:22px;height:22px}.promo-banner{margin:12px;background:linear-gradient(90deg,#2d0003,#a7161e);border-radius:5px;padding:10px 16px;display:flex;justify-content:space-between;align-items:flex-start;position:relative}.promo-content{display:flex;gap:12px}.gift-icon{font-size:40px;line-height:1}.promo-text h3{font-size:18px;margin-bottom:4px}.promo-text p{font-size:13px;color:#ffffffe6;margin-bottom:10px}.highlight{color:#ffd54f;font-weight:700}.promo-btn{background:#ffa900;color:#3c2800;border:none;padding:8px 18px;border-radius:20px;font-size:13px;font-weight:700;cursor:pointer}.close-btn{background:none;border:none;color:#fffc;font-size:24px;cursor:pointer;line-height:1;padding:0 4px}.filter-bar{display:flex;gap:10px;padding:0 12px 12px;overflow-x:auto;scrollbar-width:none}.filter-bar::-webkit-scrollbar{display:none}.filter-item{display:flex;align-items:center;gap:6px;background:#222;border:none;color:#fff;padding:8px 14px;border-radius:20px;font-size:13px;white-space:nowrap;cursor:pointer}.filter-item svg{width:18px;height:18px;color:#ccc}.content{padding:0 12px}.video-section{margin-bottom:24px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-header h2{font-size:16px;font-weight:700}.view-all{color:#888;text-decoration:none;font-size:13px}.video-grid{display:grid;grid-template-rows:repeat(2,132px);grid-auto-flow:column;grid-auto-columns:176px;gap:10px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;padding-bottom:8px}.video-grid::-webkit-scrollbar{display:none}.video-card{cursor:pointer;width:176px;height:132px}.video-thumb{position:relative;border-radius:10px;overflow:hidden;width:176px;height:132px;background:#1a1a1a}.thumb-img{width:100%;height:100%;object-fit:cover;display:block}.thumb-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#2a2a2a,#1a1a1a,#2a2a2a);background-size:200% 200%;animation:shimmer 2s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.video-badges{position:absolute;top:8px;left:8px;display:flex;gap:6px;flex-wrap:wrap}.badge{padding:3px 8px;border-radius:4px;font-size:10px;font-weight:700}.badge.vip{background:#ffd54f;color:#5d4037}.badge.new{background:#ff4d6d;color:#fff}.badge.hot{background:#e53935;color:#fff}.badge.score{background:#43a047;color:#fff}.badge.update{background:#1e88e5;color:#fff}.badge.live{background:#ff2d78;color:#fff}.play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0003;opacity:0;transition:opacity .2s}.video-card:hover .play-overlay{opacity:1}.play-overlay svg{width:40px;height:40px;color:#ffffffe6}.video-info{padding:8px 4px 0}.video-title{font-size:13px;line-height:1.4;color:#fff;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-author{font-size:12px;color:#888;display:flex;align-items:center;gap:4px}.verified-icon{width:12px;height:12px;color:#1da1f2;flex-shrink:0}.dl-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;z-index:500;display:flex;align-items:center;justify-content:center;padding:20px}.dl-modal-box{background:#1a1a1a;border:1px solid rgba(255,255,255,.1);border-radius:14px;width:320px;max-width:90%;overflow:hidden}.dl-modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.08)}.dl-modal-header h3{font-size:16px;font-weight:600}.dl-modal-close{background:none;border:none;color:#888;font-size:22px;cursor:pointer;line-height:1}.dl-modal-body{padding:20px;display:flex;flex-direction:column;gap:12px}.dl-option{width:100%;padding:12px;border:none;border-radius:10px;background:#ff2d78;color:#fff;font-size:15px;font-weight:600;cursor:pointer}.dl-option.install{background:#1e88e5}.dl-option:disabled{background:#444;color:#888;cursor:not-allowed}