:root{--color-primary:#ff5e0f;--color-primary-hover:#e54e08;--color-primary-active:#c2410a;--color-primary-100:#ffe3d0;--color-primary-50:#fff1e8;--color-accent:#2563eb;--color-gray-50:#f9fafb;--color-gray-100:#f3f4f6;--color-gray-200:#e5e7eb;--color-gray-300:#d1d5db;--color-gray-400:#9ca3af;--color-gray-500:#6b7280;--color-gray-600:#4b5563;--color-gray-700:#374151;--color-gray-800:#1f2937;--color-gray-900:#111827;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--color-info:#2563eb;--color-text:var(--color-gray-900);--color-text-secondary:var(--color-gray-500);--color-text-muted:var(--color-gray-400);--color-text-inverse:#fff;--color-bg:#fff;--color-bg-surface:var(--color-gray-50);--color-bg-inverse:var(--color-gray-900);--color-border:var(--color-gray-200);--color-border-strong:var(--color-gray-300);--color-focus-ring:#ff5e0f66}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:2px}