:root{--primary:#ff6b35;--primary-dark:#e85d2a;--primary-light:#ff9f7d;--primary-lighter:#ffb89a;--bg-page:#fff5f0;--bg-white:#fff;--bg-gray:#f8f8f8;--text-primary:#333;--text-secondary:#666;--text-placeholder:#999;--text-white:#fff;--success:#52c41a;--warning:#faad14;--info:#1890ff;--error:#ff4d4f;--border:#eee;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--spacing-xl:24px;--spacing-xxl:32px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}#app{min-height:100vh}a{color:var(--primary);text-decoration:none}button{cursor:pointer;border:none;outline:none}button:active{opacity:.8}