.round-wrap{max-width:480px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#1a1a1a}
.round-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.round-icon{font-size:34px;line-height:1}
.round-title{font-size:22px!important;font-weight:600!important;margin:0 0 3px!important;padding:0!important;border:none!important;color:#1a1a1a!important}
.round-sub{font-size:13px;color:#666;margin:0}
.round-grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:4px}
@media(max-width:380px){.round-grid2{grid-template-columns:1fr}}
.round-lbl{display:block;font-size:13px;font-weight:500;color:#555;margin-bottom:5px}
.round-iw input{width:100%;box-sizing:border-box;padding:9px 12px;border:1px solid #d0d0d0;border-radius:8px;font-size:14px;color:#1a1a1a;background:#fff;outline:none;-moz-appearance:textfield}
.round-iw input::-webkit-inner-spin-button,.round-iw input::-webkit-outer-spin-button{-webkit-appearance:none}
.round-iw input:focus{border-color:#D97706;box-shadow:0 0 0 3px rgba(217,119,6,.1)}
.round-sel{width:100%;box-sizing:border-box;padding:9px 12px;border:1px solid #d0d0d0;border-radius:8px;font-size:13px;color:#1a1a1a;background:#fff;outline:none;cursor:pointer;font-family:inherit}
.round-group{margin-bottom:10px}
.round-result-card{background:linear-gradient(135deg,#D97706,#92400E);border-radius:12px;padding:18px 22px;color:#fff;margin-top:12px;text-align:center;animation:round-in .22s ease}
@keyframes round-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.round-res-main{font-size:42px;font-weight:800;font-family:monospace;margin-bottom:4px}
.round-res-sub{font-size:14px;opacity:.8}