:root{--canvas: #f5f6f4;--paper: #fff;--ink: #20282c;--muted: #667177;--quiet: #899297;--line: #dde2e1;--soft-line: #eaedec;--accent: #264c5d;--accent-soft: #e8eff1;--danger: #8b4d48;--tone-up: #c2410c;--tone-down: #047857;--tone-success: #0f766e;--tone-info: #1d4ed8;--tone-danger: #b91c1c;--tone-neutral: #7c8a90}*{box-sizing:border-box}html{background:var(--canvas)}body{margin:0;overflow-x:hidden;color:var(--ink);background:var(--canvas);font:14px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-variant-numeric:tabular-nums}button,select{font:inherit}button{cursor:pointer}a{color:inherit}[hidden]{display:none!important}.site-header{position:sticky;top:0;z-index:40;height:56px;border-bottom:1px solid #d9dfde;background:#fffffff0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{display:flex;width:min(1160px,calc(100% - 64px));height:100%;margin:0 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