.checkout-page{margin:0;background:#f2f2f7;color:#1c1c1e;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.6}
.checkout-page *{box-sizing:border-box}.checkout-page [hidden]{display:none!important}
.checkout-header{max-width:900px;margin:auto;padding:24px;display:flex;justify-content:space-between;align-items:center;font-size:14px}
.checkout-page a{color:#007aff;text-decoration:none}.checkout-header a{font-weight:650}
.checkout-shell{max-width:680px;margin:20px auto 60px;padding:0 20px}
.checkout-card{background:white;border-radius:26px;padding:36px;box-shadow:0 8px 30px #1c1c1e04}
.checkout-kicker{color:#007aff;font-size:13px;font-weight:600}.checkout-page h1{font-size:25px;line-height:1.4;margin:10px 0}.checkout-page h2{font-size:19px;margin:24px 0 6px}
.checkout-amount{font-size:32px;font-weight:700;letter-spacing:-1px}.checkout-muted{color:#73737b;font-size:13px;overflow-wrap:anywhere}
.checkout-steps{display:flex;gap:12px;padding:16px 0;list-style:none;border-top:1px solid #eee;border-bottom:1px solid #eee;font-size:12px;color:#73737b}.checkout-steps .complete{color:#23854a}
.checkout-page button{font:inherit;border:0;border-radius:13px;padding:12px 18px;background:#007aff;color:white;cursor:pointer;font-size:14px;font-weight:600}.checkout-page button:disabled{opacity:.5;cursor:wait}.checkout-page button.secondary{background:#f2f2f7;color:#007aff}
.checkout-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:24px}.checkout-actions a{font-size:14px}
#paymentQr{display:block;width:240px;height:240px;max-width:100%;object-fit:contain;margin:18px auto}
#voucherArea{background:#f6f9fe;border-radius:18px;padding:20px;margin-top:20px}#voucherArea label{font-size:13px;font-weight:600}
#voucherCode{width:100%;resize:none;display:block;font-family:ui-monospace,monospace;font-size:17px;padding:15px;margin:12px 0;border:1px solid #dae4f0;border-radius:12px;background:white;color:#1c1c1e;overflow-wrap:anywhere}
.checkout-support{border-top:1px solid #eee;margin-top:25px;padding-top:20px;font-size:13px}.checkout-support p{white-space:pre-line;color:#73737b}
.checkout-error{color:#b63a35;font-size:13px;overflow-wrap:anywhere}.checkout-summary{font-weight:600}
@media(max-width:600px){.checkout-header{padding:18px 20px}.checkout-shell{margin:5px auto 30px;padding:0 14px}.checkout-card{padding:24px 20px;border-radius:22px}.checkout-page h1{font-size:21px}.checkout-steps{gap:9px;font-size:11px}.checkout-actions button{flex:1}.checkout-actions a{width:100%;text-align:center}#voucherCode{font-size:14px}}