.upgrade-payment-guide{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.upgrade-payment-guide button{flex-shrink:0}
.upgrade-payment-options{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:1rem;scroll-margin-top:100px;outline:none}
.upgrade-payment-options:focus-visible{outline:2px solid currentColor;outline-offset:4px}
.upgrade-payment-details>summary{padding:.25rem 0}
.upgrade-summary-pay-entry{display:flex;justify-content:flex-end;padding-top:.5rem}
.upgrade-summary-pay-entry button{min-width:140px;min-height:44px}
@media(max-width:1023px){.upgrade-payment-options{grid-template-columns:minmax(0,1fr)}}
@media(max-width:639px){.upgrade-payment-guide{align-items:stretch;flex-direction:column;gap:.75rem}.upgrade-payment-guide button,.upgrade-summary-pay-entry button{width:100%;min-height:44px}}

/* 升级页的费用说明独占整行，避免挤占第一张网络卡片的位置。 */
.upgrade-payment-options [data-upgrade-role="channels"] .grid>.col-span-full{grid-column:1/-1}