/* 个人中心仅保留轻量入口，套餐与支付集中在用户主动打开的弹窗。 */
body > main:has(#membershipPurchaseModal:not(.hidden)) { z-index: 3; }
.profile-membership {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px 13px;
    margin-top: 12px;
    color: var(--openstd-text);
    font-size: 12px;
    line-height: 1.6;
}
.profile-membership.hidden { display: none; }
.profile-membership__badge {
    padding: 2px 8px;
    border: 1px solid var(--openstd-soft-border);
    border-radius: 6px;
    background: var(--openstd-panel);
    color: var(--openstd-muted);
    font-weight: 600;
}
.profile-membership__badge[data-plan="MONTHLY"],
.profile-membership__badge[data-plan="ANNUAL"] { color: var(--openstd-primary); }
.profile-membership__balance { display: inline-flex; align-items: center; gap: 5px; }
.profile-membership__balance strong { font-variant-numeric: tabular-nums; }
.profile-membership__balance > span { font-size: 19px; }
.profile-membership__upgrade {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border: 1px solid color-mix(in srgb, var(--openstd-primary) 24%, transparent);
    border-radius: 999px;
    background: var(--openstd-primary-soft);
    color: var(--openstd-primary);
    font-weight: 650;
    cursor: pointer;
}
.profile-membership__upgrade:hover { background: var(--openstd-panel); }
.profile-membership__upgrade:focus-visible,
#membershipPurchaseModal summary:focus-visible { outline: 2px solid var(--openstd-primary); outline-offset: 4px; }
#membershipPurchaseModal .membership-checkout-panel {
    width: min(1120px, 100%);
    border-radius: 20px;
    background: var(--openstd-bg);
}
#membershipPurchaseModal .membership-checkout-head { padding: 20px 26px; border-bottom: 0; }
#membershipPurchaseModal .membership-checkout-head h3 { font-size: 21px; }
#membershipPurchaseModal .membership-checkout-head p { font-size: 10px; margin-bottom: 3px; }
#membershipPurchaseModal .membership-checkout-body { padding: 0 20px 20px; }
.membership-upgrade-overview {
    padding: 22px;
    border: 1px solid var(--openstd-soft-border);
    border-radius: 14px;
    background: var(--openstd-panel);
}
#membershipPurchaseModal .membership-summary-card__masthead { align-items: center; margin: 0; }
#membershipPurchaseModal .membership-summary-card__eyebrow { font-size: 9px; color: var(--openstd-muted); }
#membershipPurchaseModal #membershipSummaryTitle { margin: 4px 0; font-size: 18px; font-family: inherit; }
#membershipPurchaseModal #membershipSummaryStatus { margin: 0; color: var(--openstd-muted); font-size: 12px; }
#membershipPurchaseModal .membership-summary-card__badge { border-color: var(--openstd-soft-border); color: var(--openstd-primary); background: var(--openstd-primary-soft); }
.membership-upgrade-details { margin-top: 14px; }
.membership-upgrade-account { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--openstd-muted); }
.membership-upgrade-account strong { color: var(--openstd-text); font-variant-numeric: tabular-nums; }
.membership-upgrade-details summary { color: var(--openstd-muted); font-size: 11px; cursor: pointer; }
#membershipPurchaseModal .membership-summary-card__metrics { margin-top: 12px; }
#membershipPurchaseModal .membership-summary-card__catalog-head { margin: 18px 0 16px; padding-top: 18px; border-top: 1px solid var(--openstd-soft-border); }
#membershipPurchaseModal .membership-summary-card__catalog-head span { font-size: 16px; font-weight: 650; color: var(--openstd-heading); }
#membershipPurchaseModal .membership-summary-card__catalog-head strong { margin-top: 5px; font-size: 11px; font-weight: 400; color: var(--openstd-muted); }
#membershipPurchaseModal .membership-summary-card__catalog-head p { color: var(--openstd-muted); font-size: 11px; }
#membershipPurchaseModal .membership-plan-catalog { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
#membershipPurchaseModal .membership-plan-card {
    display: flex;
    flex-direction: column;
    padding: 21px 18px 16px;
    border: 1px solid var(--openstd-soft-border);
    border-radius: 11px;
    background: linear-gradient(160deg, var(--openstd-primary-soft), transparent 65%);
    box-shadow: none;
}
#membershipPurchaseModal .membership-plan-card.is-current { border-color: var(--openstd-soft-border); }
#membershipPurchaseModal .membership-plan-card.is-selected { border-color: var(--openstd-primary); box-shadow: inset 0 0 0 1px var(--openstd-primary); }
#membershipPurchaseModal .membership-plan-card__head { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
#membershipPurchaseModal .membership-plan-card__head strong { color: var(--openstd-heading); font-size: 14px; }
#membershipPurchaseModal .membership-plan-card__head span { font-size: 25px; font-weight: 700; letter-spacing: -0.04em; color: var(--openstd-heading); }
#membershipPurchaseModal .membership-plan-card p { margin: 18px 0 8px; font-size: 12px; line-height: 1.7; color: var(--openstd-text); }
#membershipPurchaseModal .membership-plan-card small { margin-bottom: 22px; font-size: 11px; color: var(--openstd-muted); }
#membershipPurchaseModal .membership-plan-card .btn-gh { margin-top: auto; min-height: 36px; font-size: 12px; }
#membershipPurchaseModal #membershipPlanCatalog .membership-plan-card.is-selected .btn-gh {
    background: var(--openstd-primary-soft);
    border-color: color-mix(in srgb, var(--openstd-primary) 35%, transparent);
    color: var(--openstd-primary);
    opacity: 1;
    box-shadow: none;
    cursor: default;
}
#membershipPurchaseModal .membership-plan-card.is-selected .btn-gh::before { content: '\2713'; margin-right: 7px; }
.theme-light #membershipPurchaseModal #membershipPlanCatalog .membership-plan-card.is-selected .btn-gh { color: #9b4328; background: #f8e7df; border-color: #ddb09f; }
.membership-plan-card__free { margin-top: auto; text-align: center; padding: 8px; font-size: 12px; color: var(--openstd-muted); }
#membershipPurchaseModal .membership-checkout-grid { margin-top: 16px; padding: 24px; gap: 28px; grid-template-columns: minmax(170px, 0.65fr) minmax(0, 1.7fr); align-items: start; border: 1px solid var(--openstd-soft-border); border-bottom: 0; border-radius: 14px 14px 0 0; background: var(--openstd-panel); }
#membershipPurchaseModal .membership-checkout-summary { padding: 4px 22px 4px 0; background: transparent; border: 0; border-right: 1px solid var(--openstd-soft-border); }
#membershipPurchaseModal .membership-checkout-terms { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--openstd-soft-border); }
#membershipPurchaseModal .membership-checkout-price { font-size: 32px; }
#membershipPurchaseModal .membership-checkout-caption { margin-bottom: 5px; }
#membershipPurchaseModal .membership-checkout-duration { margin-top: 5px; }
#membershipPurchaseModal .membership-checkout-benefits { margin: 12px 0 0; padding: 0; border: 0; }
#membershipPurchaseModal .membership-checkout-benefits summary { cursor: pointer; font-size: 12px; color: var(--openstd-muted); }
#membershipPurchaseModal .membership-purchase-benefits { margin-top: 12px; gap: 5px; font-size: 12px; }
#membershipPurchaseModal .membership-checkout-payment { display: grid; grid-template-columns: minmax(170px, 200px) minmax(0, 1fr); align-items: center; gap: 24px; padding: 0; min-width: 0; }
#membershipPurchaseModal .membership-checkout-qr { gap: 8px; }
#membershipPurchaseModal .membership-checkout-qr h4 { margin: 0 0 3px; font-size: 14px; }
#membershipPurchaseModal #membershipManualQrCode { width: min(192px, 100%); padding: 12px; border-radius: 12px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06); }
#membershipPurchaseModal .membership-checkout-qr p,
#membershipPurchaseModal .membership-checkout-qr small { font-size: 11px; line-height: 1.6; }
#membershipPurchaseModal .membership-checkout-qr .membership-checkout-countdown { padding: 4px 10px; border-radius: 6px; background: var(--openstd-primary-soft); font-size: 12px; }
#membershipPurchaseModal .membership-checkout-order { gap: 0; padding: 0; border-top: 0; min-width: 0; }
#membershipPurchaseModal .membership-checkout-order > div { padding: 10px 0; gap: 12px; border-bottom: 1px solid var(--openstd-soft-border); }
#membershipPurchaseModal .membership-checkout-order > div:first-child { flex-direction: column; align-items: flex-start; gap: 5px; }
#membershipPurchaseModal .membership-checkout-order > div:first-child strong { text-align: left; font-variant-numeric: tabular-nums; }
#membershipPurchaseModal .membership-checkout-order > div:last-child { border-bottom: 0; }
#membershipPurchaseModal .membership-checkout-empty,
#membershipPurchaseModal .membership-checkout-redemption { grid-column: 1 / -1; }
#membershipPurchaseModal .membership-checkout-empty { min-height: 145px; padding: 14px; border: 1px dashed var(--openstd-soft-border); border-radius: 10px; }
#membershipPurchaseModal .membership-checkout-empty-icon { width: 40px; height: 40px; margin-bottom: 8px; }
#membershipPurchaseModal .membership-checkout-empty h4 { margin: 0 0 7px; font-size: 14px; }
#membershipPurchaseModal .membership-checkout-empty p { margin: 0; font-size: 12px; }
#membershipPurchaseModal .membership-checkout-bottom { display: flex; flex-direction: row; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding: 16px 24px; border: 1px solid var(--openstd-soft-border); border-radius: 0 0 14px 14px; background: var(--openstd-panel); }
#membershipPurchaseModal .membership-checkout-bottom .personal-settings-message { margin: 0; flex: 1 1 260px; font-size: 12px; line-height: 1.7; }
#membershipPurchaseModal .membership-checkout-consent { font-size: 12px; }
#membershipPurchaseModal .membership-checkout-actions { margin: 0 0 0 auto; }
#membershipPurchaseModal .membership-summary-card__message.is-error { color: #bd4f38; }
@media (max-width: 1000px) {
    #membershipPurchaseModal .membership-checkout-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    #membershipPurchaseModal .membership-checkout-summary { padding: 0 0 18px; border-right: 0; border-bottom: 1px solid var(--openstd-soft-border); }
    #membershipPurchaseModal .membership-checkout-payment { grid-template-columns: minmax(170px, 210px) minmax(0, 1fr); }
}
@media (max-width: 700px) {
    #membershipPurchaseModal { padding: 10px; }
    #membershipPurchaseModal .membership-checkout-panel { max-height: calc(100dvh - 20px); border-radius: 14px; }
    #membershipPurchaseModal .membership-checkout-body { padding: 0 12px 12px; }
    .membership-upgrade-overview { padding: 16px; }
    #membershipPurchaseModal .membership-plan-catalog { grid-template-columns: minmax(0, 1fr); }
    #membershipPurchaseModal .membership-plan-card { padding: 16px; }
    #membershipPurchaseModal .membership-plan-card__head { flex-direction: row; align-items: center; justify-content: space-between; gap: 8px; }
    #membershipPurchaseModal .membership-plan-card__head span { font-size: 20px; }
    #membershipPurchaseModal .membership-checkout-grid { grid-template-columns: minmax(0, 1fr); padding: 16px; }
    #membershipPurchaseModal .membership-checkout-head { padding: 16px; }
    #membershipPurchaseModal .membership-checkout-bottom { padding: 14px 16px; }
    #membershipPurchaseModal .membership-summary-card__catalog-head { display: block; }
    #membershipPurchaseModal .membership-summary-card__catalog-head p { margin-top: 8px; }
}
@media (max-width: 520px) {
    #membershipPurchaseModal .membership-checkout-payment { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    #membershipPurchaseModal .membership-checkout-order { border-top: 1px solid var(--openstd-soft-border); padding-top: 4px; }
    #membershipPurchaseModal .membership-checkout-actions { flex-wrap: wrap; width: 100%; }
}

/* 用券是独立确认步骤；点击前往支付后恢复原套餐与付款布局。 */
#membershipPurchaseModal.is-course-redemption .membership-upgrade-overview,
#membershipPurchaseModal.is-course-redemption .membership-checkout-summary {
    display: none;
}
#membershipPurchaseModal.is-course-redemption .membership-checkout-grid {
    grid-template-columns: minmax(0, 1fr);
}
#membershipPurchaseModal.is-course-redemption .membership-checkout-panel {
    max-width: 640px;
}

/* 用券界面只保留数量和两个操作；异常信息仍可显示，关闭使用右上角按钮。 */
#membershipPurchaseModal.is-course-redemption #membershipPurchaseEyebrow,
#membershipPurchaseModal.is-course-redemption .membership-checkout-actions { display: none; }
#membershipPurchaseModal.is-course-redemption .membership-checkout-bottom:has(.personal-settings-message.hidden) { display: none; }
