*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #12233a;--bg2: #1a3352;--panel: #1e3a5c;--panel2: #254770;--text: #eef3f9;--muted: #9db4cc;--gold: #d9a441;--primary: #2f8f5b;--primary-hover: #36a76a;--danger: #c0564f;--line: #2f5580}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(1200px 700px at 50% -10%,#1d3f66 0%,var(--bg) 60%);color:var(--text);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.conn-banner{background:var(--danger);text-align:center;padding:6px;font-size:14px}.sound-controls{position:fixed;top:8px;right:10px;z-index:300;display:flex;gap:6px}.sound-controls .btn{background:#141e2dbf;border:1px solid var(--line);color:var(--muted);font-size:12px;padding:4px 10px}.sound-controls .btn.on{border-color:var(--primary);color:var(--primary)}.btn{border:none;border-radius:8px;padding:8px 18px;font-size:14px;cursor:pointer;color:var(--text);background:var(--panel2);transition:background 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solid var(--line);border-radius:16px;padding:36px 40px;width:400px;display:flex;flex-direction:column;gap:14px;box-shadow:0 12px 40px #00000059}.lobby-title{text-align:center;font-size:32px;color:var(--gold);letter-spacing:6px}.lobby-sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:6px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.field input{background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px 12px;font-size:15px;outline:none}.field input:focus{border-color:var(--gold)}.divider{text-align:center;color:var(--muted);font-size:12px;position:relative}.divider:before,.divider:after{content:"";position:absolute;top:50%;width:40%;height:1px;background:var(--line)}.divider:before{left:0}.divider:after{right:0}.lobby-footer{color:#5d7893;font-size:12px}.room{flex:1;display:flex;gap:20px;padding:30px;max-width:1100px;margin:0 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var(--line);border-radius:10px;padding:10px 14px}.rank-row.winner{border-color:var(--gold);background:#d9a4411f}.rank-pos{width:34px;font-size:18px}.rank-name{flex:1;font-weight:600}.rank-score{color:var(--gold);font-weight:700}.rank-detail{color:var(--muted);font-size:12px;font-weight:400}.lobby-row{display:flex;gap:20px;align-items:stretch;flex-wrap:wrap;justify-content:center}.lobby-rooms{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;width:360px;display:flex;flex-direction:column;gap:10px;max-height:560px;overflow-y:auto}.lobby-rooms h3{font-size:15px;color:var(--gold)}.room-item{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px 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900px){.game-body{flex-direction:column}.sidebar{width:100%}.players-panel{max-height:300px}.room{flex-direction:column;padding:16px}.room>.chat-panel{width:100%}.lobby-rooms{width:min(400px,94vw)}}@media (max-width: 640px){.game{padding:6px 8px 10px}.game-header{flex-wrap:wrap;gap:6px}.gh-left{flex-wrap:wrap;gap:8px}.board{padding:10px;gap:8px}.board-row{gap:6px}.row-label{width:40px;font-size:11px}.card-img{width:56px;height:79px}.card-img.small{width:44px;height:62px}.deck-pile{width:56px;height:79px;font-size:20px}.noble-img{width:56px;height:56px}.gem-strip img,.hand-tokens img{width:34px;height:34px}.buy-layout{flex-direction:column;align-items:center}.buy-img{width:120px;height:170px}.modal{padding:14px 16px}.pool-row{gap:8px}.token-chip img{width:40px;height:40px}.lobby-card{padding:24px 20px;width:min(400px,94vw)}.seats{grid-template-columns:1fr!important}.noble-row .noble-img{width:80px;height:80px}}