*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f5;--bg2: #ffffff;--bg3: #f0f0f0;--text: #1a1a1a;--text2: #666666;--text3: #999999;--accent: #e74c3c;--accent2: #ff6b6b;--green: #07c160;--blue: #1989fa;--orange: #ff976a;--border: #ebedf0;--shadow: 0 2px 12px rgba(0,0,0,.08);--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;max-width:500px;margin:0 auto;min-height:100vh}a{text-decoration:none;color:inherit}input,button{font:inherit;outline:none;border:none}img{max-width:100%;display:block}button{cursor:pointer}.app{padding-bottom:calc(60px + var(--safe-bottom))}.header{background:linear-gradient(135deg,var(--accent),#c0392b);color:#fff;padding:16px 16px 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10px;border-radius:20px;background:#ffffff26;color:#ffffffe6;white-space:nowrap}.section{padding:16px}.section-title{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:6px}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.video-card{background:var(--bg2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .15s}.video-card:active{transform:scale(.97)}.video-cover{aspect-ratio:9/16;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb);position:relative;display:flex;align-items:center;justify-content:center}.video-cover-icon{font-size:32px;opacity:.6}.video-platform-badge{position:absolute;top:6px;left:6px;font-size:14px;background:#0006;border-radius:4px;padding:2px 6px}.video-likes{position:absolute;bottom:6px;right:6px;color:#fff;font-size:11px;background:#0006;border-radius:4px;padding:2px 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6px;border-radius:4px;background:var(--bg3);color:var(--text2)}.result-card{background:var(--bg2);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.result-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}.result-cover{width:80px;height:140px;border-radius:8px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}.result-info{flex:1;min-width:0}.result-title{font-size:15px;font-weight:600;margin-bottom:6px;line-height:1.4}.result-meta{font-size:12px;color:var(--text2);margin-bottom:4px}.result-platform{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--accent);margin-top:4px}.result-actions{display:flex;gap:10px}.btn{flex:1;height:42px;border-radius:21px;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:6px;transition:opacity 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