*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang HK","Microsoft JhengHei",sans-serif;background:#0f172a;color:#f8fafc}
a{color:#6bcbff}
.top{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:14px 18px;background:#1e293b;flex-wrap:wrap}
.top h1{margin:0;font-size:22px}
.badge{background:#334155;padding:8px 12px;border-radius:999px;font-size:14px}
.badge b{font-size:20px;margin:0 4px}
.event{background:#7c3aed;padding:10px 16px;font-size:15px;text-align:center}
.display-grid{display:grid;grid-template-columns:1fr 320px;gap:16px;padding:16px}
.stage{background:#020617;border-radius:12px;padding:12px}
.stage canvas{width:100%;height:auto;border-radius:8px;display:block}
.track-name{margin-top:10px;font-weight:700}
.vote-bars{margin-top:8px;display:grid;gap:6px}
.vote-row{display:grid;grid-template-columns:140px 1fr 50px;gap:8px;align-items:center;font-size:14px}
.bar{background:#334155;height:14px;border-radius:999px;overflow:hidden}.bar i{display:block;height:100%}
aside h2{margin:18px 0 8px;font-size:17px}
.standings,.leaderboard{margin:0;padding-left:20px;line-height:1.9;font-size:15px}
.hint{color:#94a3b8;font-size:13px;line-height:1.6}
.qr{margin-top:14px;font-size:15px}
/* 手機 */
.mobile{padding-bottom:30px}
.mobile .top h1{font-size:18px}
.card{background:#1e293b;margin:14px;padding:16px;border-radius:12px}
.card h2{margin:0 0 10px;font-size:16px}
.hidden{display:none}
input{width:100%;padding:12px;border-radius:8px;border:1px solid #475569;background:#0f172a;color:#fff;font-size:16px}
button{cursor:pointer}
#joinBtn,.big{width:100%;margin-top:10px;padding:13px;border:0;border-radius:10px;font-size:16px;font-weight:700}
#joinBtn{background:#22c55e;color:#000}
.chip{margin:4px 4px 4px 0;padding:9px 12px;border-radius:999px;border:2px solid #475569;background:#0f172a;color:#fff;font-size:14px}
.chip.selected{background:#fde047;color:#000;border-color:#fde047}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.boost{background:#fde047;color:#000}.oil{background:#475569;color:#fff}
.center{text-align:center}
@media(max-width:820px){.display-grid{grid-template-columns:1fr}}