body{background:#eefcff;font-family:Microsoft YaHei;margin:0}.app{max-width:480px;margin:auto;padding:20px}header{display:flex;align-items:center;gap:15px}header img{width:70px;height:70px}.banner,.card{background:white;border-radius:20px;padding:20px;margin:15px 0;box-shadow:0 5px 20px #ddd}.banner{background:linear-gradient(135deg,#008db5,#12c6a0);color:white}button{border:0;border-radius:25px;padding:12px 25px;background:#008db5;color:white}.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid span{background:#f3fbff;padding:15px;border-radius:12px}#options button{display:block;width:100%;margin:8px 0;background:#eefaff;color:#056}a{color:#067}