:root{--bg: #f7f5f0;--surface: #ffffff;--surface-2: #f0ede6;--text: #2b2620;--muted: #8a8276;--line: rgba(43, 38, 32, .12);--line-2: rgba(43, 38, 32, .22);--accent: #9a6a3c;--accent-soft: #f1e6d8;--live: #b8472e;--live-soft: #f7e3dd;--radius: 14px;--shadow: 0 1px 3px rgba(43, 38, 32, .08), 0 6px 24px rgba(43, 38, 32, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}.app{max-width:1180px;margin:0 auto;padding:0 16px 96px}.topbar{position:sticky;top:0;z-index:30;background:#f7f5f0db;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:.5px solid var(--line);padding:12px 16px}.topbar-inner{max-width:1180px;margin:0 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