*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;color:#17202a;background:#f5f7fa}header{background:#fff;border-bottom:1px solid #ddd;padding:18px 5%;}.brand{text-decoration:none;font-size:26px;color:#17202a}.brand span{color:#f15a24}main{max-width:900px;margin:40px auto;padding:0 20px}h1{font-size:32px}.card{background:#fff;padding:25px;border-radius:12px;box-shadow:0 2px 12px #0001}label{display:block;margin:14px 0;font-weight:600}input,select{width:100%;padding:11px;margin-top:6px;border:1px solid #bbb;border-radius:6px;font-size:16px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.check{font-weight:400}.check input{width:auto}.hint{color:#666;font-size:14px}.button,button{display:inline-block;background:#f15a24;color:#fff;border:0;border-radius:7px;padding:12px 18px;text-decoration:none;font-weight:700;cursor:pointer}.total{font-size:22px;font-weight:700}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:10px;border-bottom:1px solid #ddd;text-align:left;font-size:14px}.error{color:#a00}@media(max-width:650px){.grid{grid-template-columns:1fr}table{display:block;overflow:auto;white-space:nowrap}}

.product-options{display:grid;gap:10px;margin:8px 0 18px}.product-option{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid #ccc;border-radius:8px;cursor:pointer;font-weight:400}.product-option input{width:auto;margin:0}.product-option:has(input:checked){border:2px solid #f15a24;background:#fff8f4}.pricebox{background:#f5f7fa;border-radius:8px;padding:16px;margin:18px 0}.pricebox div{margin:5px 0}.pricebox .total{font-size:22px;margin-top:10px}