.narrow{max-width:620px;margin:auto;padding:30px 24px 70px}.narrow h1{font-size:32px;line-height:1.2;letter-spacing:-.035em}.narrow .card{border-radius:17px}.narrow .btn{border-radius:10px;min-height:48px}.narrow input{min-height:49px;border-radius:9px}.checkout-heading{margin:25px 0}.checkout-heading p{margin-top:12px}.checkout-summary{display:flex;align-items:center;justify-content:space-between;padding:23px;margin:25px 0;gap:20px}.checkout-summary strong{display:block;font-size:28px}.checkout-summary small{color:var(--muted);font-size:14px}.narrow .qrbox{grid-template-columns:1fr;text-align:center}.narrow .qrbox .qr{margin:15px auto}.narrow .qrbox textarea{font-size:12px;min-height:70px}.narrow .summary{margin-top:23px}.postpurchase{margin-top:24px;padding:24px}.postpurchase form{margin-top:20px}.postpurchase .field{margin-block:14px}.postpurchase .msg{margin-top:12px}@media(max-width:600px){.narrow{padding:23px 18px 50px}.narrow h1{font-size:29px}.checkout-summary{padding:19px}.checkout-summary strong{font-size:25px}.ck-top{gap:10px}}