:root{--color-bg-light: #fdfbfa;--color-bg-dark: #1f233f;--color-accent-orange: #ec7e3b;--color-accent-blue: #648cc4}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--color-bg-light);color:#333}.main-content{min-height:calc(100vh - 180px)}@media (max-width: 768px){.main-content{padding-top:70px}}