/* Checkout v3: one payment card, deliberate flow, original fine-blood theme. */
#alipayBox.alipay-box{display:flex;flex-direction:column;gap:20px;margin-top:24px;padding:22px;border:1px solid #49202a;border-radius:14px;background:linear-gradient(145deg,#191215,#101012);min-width:0}
#alipayBox[hidden]{display:none}
#alipayBox .alipay-head{margin:0;display:flex;align-items:center;gap:12px}
#alipayBox .alipay-copy{display:flex;flex-direction:column;gap:5px;min-width:0}
#alipayBox .alipay-copy>span{color:#aaa0a5;font-size:12px;line-height:1.6}
.coupon-panel{padding:18px 0;border-top:1px solid #ffffff0c;border-bottom:1px solid #ffffff0c;min-width:0}
.coupon-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.coupon-heading .field-label{margin:0}
.coupon-tag{display:inline-block;color:#cba8b3;background:#49202a55;border:1px solid #59303b;padding:4px 8px;border-radius:6px;font-size:10px;white-space:nowrap}
.coupon-controls{display:flex;gap:8px;align-items:center;min-width:0}
.coupon-controls .input{flex:1;min-width:0;margin:0;font-family:var(--mono,monospace);font-size:13px;letter-spacing:.03em}
.coupon-controls>.btn{flex-shrink:0;padding:0 15px;height:42px;font-size:12px}
.coupon-controls>.link-btn{flex-shrink:0;font-size:11px;padding:10px 4px}
.coupon-hint{color:#a2919a;font-size:11px;line-height:1.8;margin:10px 0 0}
.coupon-message{color:#ddd1d5;font-size:12px;line-height:1.8;margin:0;overflow-wrap:anywhere}
.coupon-message:not(:empty){padding:10px 12px;margin-top:12px;background:#ffffff04;border-radius:8px;border:1px solid #ffffff0b}
.coupon-message[data-state=ready]{border-color:#1c6d524d;background:#103c292f;color:#8ce3bb}
.coupon-message[data-state=pending],.coupon-message[data-state=error]{color:#e5a0ac;border-color:#772c3d55;background:#41152038}
#alipayBox .payment-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:0;margin:0;position:static}
#alipayBox .total{margin:0;padding:0;min-width:0;display:flex;flex-direction:column;gap:7px}
#alipayBox .total>span{font-size:11px;color:#a99aa2}
#alipayBox .total strong{font-size:30px;line-height:1.1;letter-spacing:-.04em;color:#fff}
#alipayBox .alipay-btn{position:static!important;inset:auto!important;transform:none!important;display:inline-flex;margin:0!important;width:auto!important;min-height:46px;flex:1 1 170px;max-width:270px;font-size:14px}
#alipayBox .alipay-btn:disabled{opacity:.45;cursor:not-allowed}
.payment-note{margin:0;color:#8f7f88;font-size:10px;line-height:1.8}
.checkout.checkout-secondary{position:static;display:block;margin-top:18px;padding:0;border:0;background:none;box-shadow:none}
.checkout-secondary .checkout-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;width:100%}
.checkout-secondary .btn{position:static;flex:1;min-width:0;max-width:none;font-size:11px;min-height:40px;height:auto;padding:11px 14px;background:transparent;border:1px solid #393038;color:#b5a4ae;box-shadow:none;white-space:normal}
.referral-panel{margin:0 0 20px;border:1px solid #49202a;background:#24141955;border-radius:12px;padding:18px}
.referral-panel>p{font-size:12px;color:#b1a1a9;line-height:1.8;margin:10px 0 14px}
.referral-panel .input{font-size:11px}
.referral-coupon{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:14px 0;border-bottom:1px solid #ffffff0b}
.referral-coupon>div{flex:1;min-width:0}
.referral-coupon strong{font-size:12px;color:#f0c6d0;display:block;margin-bottom:6px}
.referral-coupon code{font-size:10px;color:#bda5b0;word-break:break-all}
.referral-coupon>span{font-size:11px;color:#ad939f}
.referral-coupon .link-btn{font-size:11px}
#inviteRegisterBox{margin-top:15px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:640px){
 #alipayBox.alipay-box{padding:18px;gap:18px}
 #alipayBox .payment-bottom{gap:18px}
 #alipayBox .total strong{font-size:28px}
 #alipayBox .alipay-btn{max-width:none;flex-basis:100%;width:100%!important}
 .coupon-heading{align-items:flex-start;flex-wrap:wrap}
 .coupon-controls{flex-wrap:wrap}
 .coupon-controls .input{flex-basis:calc(100% - 100px)}
 .referral-panel{padding:14px}
 .checkout-secondary .checkout-actions{gap:8px}
}