:root{--primary-gradient:linear-gradient(135deg,#ef4444,#b91c1c);--success-color:#52c41a;--warning-color:#faad14;--bg-color:#fdfbf7;--card-bg:#fff;--text-main:#2c3e50;--text-sub:#64748b;--card-radius:0.5rem;--main-shadow:0 0.2rem 0.625rem rgba(185,28,28,.08)}body{background-color:var(--bg-color);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;margin:0;padding:0}@media screen and (min-width:640px){#app{background-color:var(--bg-color);box-shadow:0 0 1.25rem rgba(0,0,0,.1);margin:0 auto;max-width:12rem;min-height:100vh;overflow-x:hidden;position:relative}}@media screen and (max-width:639px){#app{background-color:var(--bg-color);min-height:100vh;width:100%}}