.psu-wrap{max-width:680px;margin:20px auto;padding:10px}.psu-card{background:#fff;border:1px solid #eee;border-radius:16px;padding:20px;box-shadow:0 2px 10px rgb(0 0 0 / .04)}.psu-card h3{margin-top:0}.psu-card form{display:flex;flex-direction:column;gap:10px}.psu-card input,.psu-card button{padding:10px;border-radius:8px;border:1px solid #ddd}.psu-card button{cursor:pointer}.psu-hidden{display:none}