:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-text: #1f2933;--color-text-muted: #667080;--color-accent: #2f6f4e;--color-accent-soft: #e6f0ea;--color-border: #dfe3e8;--header-height: 56px;--radius: 8px;--shadow-header: 0 1px 3px rgba(31, 41, 51, .12)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--color-text);background:var(--color-bg);-webkit-text-size-adjust:100%}