:root{font-family:"Microsoft YaHei",sans-serif;color:#17363b;background:#f3f7f5}*{box-sizing:border-box}body{margin:0;display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{padding:28px;background:#153b3f;color:white}nav{display:grid;gap:8px}button{padding:12px;border:0;border-radius:10px;cursor:pointer}nav button{text-align:left;background:transparent;color:white}nav button:hover{background:#ffffff18}main{padding:32px}header{display:flex;justify-content:space-between}.cards{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:16px}article,#login{background:white;border-radius:16px;padding:20px;box-shadow:0 8px 30px #183b3f12}label{display:grid;gap:6px;margin:12px 0}input{padding:11px;border:1px solid #c8d9d6;border-radius:9px}