:root{--brand:#9b2226;--brand-dark:#6b1517;--brand-mid:#c8333a;--brand-light:#fdf4f4;--brand-tint:#f8e8e8;--text:#1a1a1a;--text-muted:#6b6b6b;--bg:#fafaf8;--surface:#fff;--border:#eae6e2;--border-strong:#d9d2cc;--border-focus:#9b2226;--error:#b91c1c;--error-bg:#fef2f2;--warn:#b45309;--warn-bg:#fffbeb;--radius:8px;--radius-lg:12px;--shadow:0 1px 2px #140a0a0a, 0 1px 3px #140a0a0f;--shadow-md:0 4px 12px #140a0a0f, 0 2px 4px #140a0a0a}html{height:100%}html,body{max-width:100vw}body{min-height:100%;color:var(--text);background:var(--bg);font-family:var(--font-noto), "PingFang SC", "Microsoft YaHei", Arial, sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}::selection{background:#f2c2c2}