:root{--bg: #f4f6f6;--surface: #ffffff;--border: #e2e6e6;--ink: #1a2422;--ink-muted: #5c6b68;--ink-faint: #9aa6a3;--accent: #2f6f6a;--accent-soft: #e6f0ef;--accent-ink: #1f4a46;--red: #b3261e;--amber: #c2410c;--fs-caption: 12px;--fs-body: 14px;--fs-em: 16px;--fs-title: 20px;--fs-display: 24px;--fw-body: 400;--fw-label: 600;--fw-title: 800;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--radius: 12px;--radius-sm: 8px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);font-size:var(--fs-body);line-height:1.45;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font-family:inherit;line-height:1.25}input,select,button{font-size:var(--fs-em)}input,select{font-family:inherit;color:var(--ink)}@keyframes spin{to{transform:rotate(360deg)}}