:root{--bg: #0e1117;--bg-elev: #161b24;--bg-elev2: #1d2430;--border: #262d3a;--text: #e6e9ef;--text-dim: #9aa4bf;--text-faint: #6b748c;--accent: #5c7cfa;--danger: #ff5c5c;--warn: #ffc94d;--ok: #37d67a;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .25);font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}:root[data-theme=light]{--bg: #f5f7fa;--bg-elev: #ffffff;--bg-elev2: #eef1f6;--border: #d7dce6;--text: #1b2130;--text-dim: #5a6580;--text-faint: #8a93a6;--accent: #4263eb;--danger: #e03131;--warn: #f08c00;--ok: #2f9e44;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;transition:background .18s ease,color .18s ease}.app{max-width:1280px;margin:0 auto;padding:24px 24px 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