:root{color:#17324d;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:#f4f8fc}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{border:0;border-radius:10px;padding:10px 16px;background:#1f6f9f;color:#fff;cursor:pointer}input{width:100%;padding:10px 12px;border:1px solid #c9d7e6;border-radius:10px}