.billing-card{margin-top:28px}.billing-card .buyer-options{flex-wrap:wrap;gap:14px;margin-bottom:18px;display:flex}.billing-card .buyer-options label{background:#edf8fa;border-radius:9px;align-items:center;gap:9px;padding:14px;font-weight:600;display:flex}.billing-card .buyer-options input{accent-color:#087f95;width:auto}.billing-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0;display:grid}.billing-grid label{flex-direction:column;gap:8px;font-size:14px;font-weight:600;display:flex}.billing-grid input{color:#183638;background:#fff;border:1px solid #bdd2cd;border-radius:8px;width:100%;padding:12px}.billing-card small{color:#526869;line-height:1.6;display:block}.billing-hint{color:#8b551f;font-size:13px}@media (width<=600px){.billing-grid{grid-template-columns:1fr}}.checkout-identity{border:1px solid var(--line,#d5e2e5);background:#f1f8f9;border-radius:18px;min-width:0;margin:24px 0;padding:20px}.checkout-identity label{flex-wrap:wrap;gap:8px;display:flex}.checkout-identity label strong{color:#0b7180;font-size:.8rem}.checkout-identity p,.checkout-identity small{line-height:1.6}.checkout-identity input[type=file]{background:0 0;border:0;width:100%;max-width:100%;height:auto;padding:12px 0;display:block}.checkout-identity input::file-selector-button{color:#12323a;font:inherit;cursor:pointer;background:#fff;border:1px solid #a8cbd1;border-radius:10px;margin-right:12px;padding:10px 14px}.checkout-identity small{display:block}.checkout-identity li{overflow-wrap:anywhere}.student-card:disabled{opacity:.8}