.payment-modal-open { overflow: hidden; }
.payment-channel-overlay { position: fixed; inset: 0; z-index: 10050; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(15, 23, 42, .42); backdrop-filter: blur(3px); }
.payment-channel-modal { width: min(440px, 100%); max-height: min(720px, calc(100vh - 40px)); overflow: auto; background: #fff; border: 1px solid #e5eaf2; border-radius: 8px; box-shadow: 0 24px 72px rgba(15, 23, 42, .22); }
.payment-channel-modal header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 24px 24px 18px; border-bottom: 1px solid #eef1f6; }
.payment-channel-kicker { margin-bottom: 5px; color: #667085; font-size: 12px; }
.payment-channel-modal h2 { margin: 0; color: #172033; font-size: 20px; line-height: 1.35; letter-spacing: 0; }
.payment-close { width: 36px; height: 36px; border: 0; background: transparent; color: #667085; font-size: 25px; line-height: 1; cursor: pointer; }
.payment-channel-body { padding: 22px 24px; }
.payment-loading { padding: 34px 0; color: #667085; text-align: center; }
.payment-channel-list { display: grid; gap: 12px; }
.payment-channel-choice { display: grid; grid-template-columns: 48px minmax(0, 1fr) 24px; align-items: center; gap: 14px; width: 100%; min-height: 76px; padding: 13px 15px; border: 1px solid #dfe5ee; border-radius: 8px; background: #fff; color: #172033; text-align: left; cursor: pointer; transition: border-color .15s, box-shadow .15s, background .15s; }
.payment-channel-choice:hover:not(:disabled) { border-color: #1f3cff; background: #f8f9ff; box-shadow: 0 0 0 3px rgba(31, 60, 255, .08); }
.payment-channel-choice:disabled { cursor: not-allowed; opacity: .52; }
.payment-channel-choice.loading { opacity: .65; }
.payment-channel-icon { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 8px; color: #fff; font-size: 18px; font-weight: 700; }
.payment-channel-icon.wechat { background: #07c160; }
.payment-channel-icon.alipay { background: #1677ff; }
.payment-channel-copy { min-width: 0; display: grid; gap: 4px; }
.payment-channel-copy strong { font-size: 16px; }
.payment-channel-copy small { color: #667085; font-size: 13px; }
.payment-channel-arrow { color: #98a2b3; font-size: 26px; }
.payment-channel-modal footer { padding: 0 24px 20px; color: #98a2b3; font-size: 12px; text-align: center; }
.payment-qr-view { text-align: center; }
.payment-qr-title { color: #172033; font-size: 17px; font-weight: 650; }
.payment-qr-amount { margin-top: 7px; color: #172033; font-size: 24px; font-weight: 750; }
.payment-qr-box { width: 246px; height: 246px; margin: 18px auto 12px; padding: 8px; border: 1px solid #e5eaf2; background: #fff; }
.payment-qr-box img { display: block; width: 100%; height: 100%; object-fit: contain; }
.payment-qr-order { color: #98a2b3; font-size: 12px; word-break: break-all; }
.payment-qr-status { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 13px; color: #667085; font-size: 13px; }
.payment-qr-status span { width: 8px; height: 8px; border-radius: 50%; background: #07c160; box-shadow: 0 0 0 4px rgba(7, 193, 96, .12); }
.payment-back { margin-top: 20px; min-height: 40px; padding: 0 18px; border: 1px solid #dfe5ee; border-radius: 7px; background: #fff; color: #344054; cursor: pointer; }
@media (max-width: 560px) { .payment-channel-overlay { align-items: flex-end; padding: 0; } .payment-channel-modal { width: 100%; max-height: 88vh; border-radius: 8px 8px 0 0; } .payment-qr-box { width: min(246px, 72vw); height: min(246px, 72vw); } }