:root{--ink:#243438;--muted:#78827f;--line:#e2e5e0;--teal:#236557;--paper:#fafaf7}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}main{max-width:1160px;margin:auto;padding:30px 40px 42px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}h1{font-size:22px;font-weight:600;letter-spacing:-.5px;margin:0}button{font:inherit;font-size:13px;background:transparent;color:var(--ink);padding:7px 15px;border:1px solid var(--line);border-radius:6px;cursor:pointer}button:hover{background:#edf1eb}button:focus-visible,summary:focus-visible{outline:3px solid #a7c6b9;outline-offset:3px}button:disabled{opacity:.6}#language{font-size:12px;padding:4px 12px}nav{display:flex;gap:9px;margin-bottom:28px;flex-wrap:wrap}nav button{border:0;border-radius:5px;color:var(--muted);padding:9px 13px}nav button.active{background:#e8efea;color:var(--teal);font-weight:600}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;font-size:12px}.order{display:flex;gap:5px}.order button{padding:6px 19px}.order button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}#winner-change{color:var(--muted)}.videos{display:grid;grid-template-columns:1fr 1fr;gap:20px}.video-card{min-width:0}.video-head{display:flex;align-items:center;justify-content:space-between;padding:0 1px 9px;font-size:12px}.video-head strong{font-size:14px;letter-spacing:.3px}.video-head span{color:var(--muted);font-size:11px}.frame{aspect-ratio:4/3;background:#eeeee9;border:1px solid var(--line);border-radius:7px;overflow:hidden}video{width:100%;height:100%;object-fit:contain;display:block}.video-score{display:flex;justify-content:space-between;align-items:center;margin-top:9px;font-size:13px}.video-score strong{font-size:17px;font-weight:550}.selected{font-size:11px;font-weight:650;color:var(--teal)}.playback{display:flex;align-items:center;gap:8px;padding:20px 0 24px}.primary{background:var(--teal);border-color:var(--teal);color:white}.primary:hover{background:#2e5547}#status{font-size:11px;color:#994d34}.explanation{border-top:1px solid var(--line);padding-top:20px}.explanation h2{font-size:14px;font-weight:600;margin:0 0 12px}.reasons{display:grid;grid-template-columns:1fr 1fr;gap:20px}.reason p{font-size:13px;line-height:1.8;margin:4px 0 0;color:#4d5c5d}.reason strong{font-size:12px}.explanation details{margin-top:20px;font-size:12px;color:var(--muted)}summary{cursor:pointer}pre{font:12px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;white-space:pre-wrap;word-break:break-word;color:var(--ink);max-height:450px;overflow:auto;border-top:1px solid var(--line);padding-top:16px}#original-reply:empty{display:none}@media(max-width:650px){main{padding:22px 18px 30px}header{margin-bottom:20px}h1{font-size:19px}nav{gap:4px;margin-bottom:22px}nav button{padding:7px 8px;font-size:11px}.videos,.reasons{gap:12px}.frame{aspect-ratio:3/4}.video-head{align-items:flex-start;flex-direction:column;gap:3px}.video-score strong{font-size:15px}.toolbar{font-size:10px}.order button{padding:5px 12px;font-size:12px}.reason p{font-size:12px}.playback{flex-wrap:wrap}.playback button{font-size:12px;padding:6px 11px}#status{flex-basis:100%}}