.signature-steps{align-items:flex-end;display:flex;gap:20px}.step{border-radius:12px;flex:1;padding:20px}.step,.step-head{display:flex;flex-direction:column}.step-head{justify-content:space-between;padding:16px}.step-head span{font-size:30px;font-weight:900}.step-content{background:#fff;border:1px solid #eee;flex-grow:1;padding:16px}.step-basic{height:160px}.step-advanced{height:220px}.step-qualified{height:280px}@media (max-width:768px){.signature-steps{align-items:stretch;flex-direction:column}.step{height:auto}}