/* 订阅定价页面样式 */

[hidden] {
    display: none !important;
}

/* 内容布局 */
.content {
    max-width: 1220px;
    margin: 78px auto 60px;
    padding: 0 24px;
    text-align: center;
}

.content>h1 {
    font-size: 2.15rem;
    margin-bottom: 0.35rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 0.65rem;
}

/* 计费周期切换 */
.billing-toggle {
    --active-index: 0;
    --toggle-track-bg: #F3F4F7;
    --toggle-track-border: #DDE1E8;
    --toggle-thumb-bg: #fff;
    --toggle-muted: #8A8F99;
    --toggle-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.05);
    --toggle-thumb-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 8px 20px rgba(15, 23, 42, 0.08);
    position: relative;
    box-sizing: border-box;
    display: inline-grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: min(340px, 100%);
    background: var(--toggle-track-bg);
    border: 1px solid var(--toggle-track-border);
    border-radius: 999px;
    padding: 3px;
    margin-bottom: 1rem;
    box-shadow: var(--toggle-shadow);
}

.toggle-indicator {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 3px;
    width: calc((100% - 6px) / 3);
    border-radius: 999px;
    background: var(--toggle-thumb-bg);
    box-shadow: var(--toggle-thumb-shadow);
    transform: translateX(calc(var(--active-index) * 100%));
    transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
    pointer-events: none;
}

.toggle-btn {
    position: relative;
    z-index: 1;
    justify-content: center;
    min-height: 32px;
    padding: 0.3rem 6px;
    border: none;
    background: transparent;
    color: var(--toggle-muted);
    font-size: 1rem;
    font-weight: 650;
    cursor: pointer;
    border-radius: 999px;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.toggle-btn:hover {
    color: var(--text-main);
}

.toggle-btn.active {
    background: transparent;
    color: var(--text-main);
}

.toggle-btn .save-badge {
    background: rgba(239, 68, 68, 0.14);
    color: #EF4444;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.toggle-btn.active .save-badge {
    background: rgba(255, 255, 255, 0.92);
    color: #DC2626;
}

.purchase-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
    align-items: stretch;
    max-width: 680px;
    margin: 0 auto;
}

body.on-demand-view .plans-column {
    display: none;
}

body.on-demand-view .purchase-hero {
    max-width: 680px;
}

body:not(.on-demand-view) .credit-pricing-card {
    display: none;
}

.plans-column {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
}

/* 定价卡片网格 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 1fr;
    gap: 1rem;
    width: 100%;
    height: 100%;
    margin-bottom: 0;
    max-width: none;
    margin-left: auto;
    margin-right: auto;
}

.plan-card {
    display: none;
}

.plan-card[data-period="monthly"] {
    display: flex;
}

body.yearly-view .plan-card[data-period="monthly"] {
    display: none;
}

body.yearly-view .plan-card[data-period="yearly"] {
    display: flex;
}

/* 方案卡片 */
.plan-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    text-align: left;
    position: relative;
    transition: all 0.3s ease;
    flex-direction: column;
    min-height: 218px;
}

/* 推荐卡片 */
.plan-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(77, 107, 254, 0.045) 0%, var(--bg-secondary) 100%);
}

/* Ultra 卡片 */
.plan-card.ultra {
    border-color: #F59E0B;
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.06) 0%, var(--bg-secondary) 100%);
}

/* 徽章 */
.popular-badge,
.ultra-badge {
    position: absolute;
    top: 0.8rem;
    right: 0.9rem;
    left: auto;
    transform: none;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.62rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.popular-badge {
    background: linear-gradient(135deg, #4D6BFE 0%, #818CF8 100%);
    color: white;
}

.ultra-badge {
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    color: white;
}

/* 方案头部 */
.plan-header {
    text-align: left;
    padding-right: 5.8rem;
}

/* 大屏幕时确保header高度一致 */
@media (min-width: 1200px) {
    .plan-header {
        min-height: auto;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
}

.plan-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: none;
    -webkit-text-fill-color: unset;
    color: var(--text-main);
}

.plan-card.ultra .plan-name {
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: 2px;
}

.plan-price .currency {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.plan-price .amount {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1;
}

.plan-price .period {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-left: 2px;
}

.price-note {
    font-size: 0.82rem;
    color: var(--secondary-color);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* 方案特性列表 */
.plan-features {
    margin-top: 0.75rem;
    margin-bottom: 0.8rem;
    flex-grow: 1;
}

.plan-features .feature-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.32rem 0;
    color: var(--text-main);
    font-size: 1rem;
}

.plan-features .feature-item svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
    stroke: var(--secondary-color);
}

.plan-features .feature-item.disabled {
    color: var(--text-light);
}

.plan-features .feature-item.disabled svg {
    stroke: var(--text-light);
}

.plan-features .feature-item strong {
    color: var(--primary-color);
}

/* 配额次数样式 */
.plan-features .feature-item .quota-number {
    font-size: 1.12em;
    font-weight: 700;
}

/* Ultra 卡片的配额次数使用橙色 */
.plan-card.ultra .plan-features .feature-item .quota-ultra {
    color: #F59E0B;
}

/* 订阅按钮 */
.subscribe-btn {
    width: 100%;
    padding: 0.72rem;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subscribe-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(77, 107, 254, 0.05);
}

.subscribe-btn.primary {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.subscribe-btn.primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.subscribe-btn.ultra-btn {
    border-color: #F59E0B;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    color: white;
}

.subscribe-btn.ultra-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* 补充说明 */
.pricing-notes {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 8.5rem;
    margin-left: auto;
    margin-right: auto;
    max-width: 700px;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.note-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.note-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    fill: var(--text-light);
}

.purchase-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.2s ease;
}

.purchase-link:hover {
    color: var(--primary-hover);
}

/* Pay-per-use credits section */
.credit-section {
    margin: 1.75rem auto 0;
    max-width: 680px;
    text-align: left;
}

.section-heading {
    text-align: left;
    margin-bottom: 0;
}

.section-heading h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.section-heading p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 720px;
    margin: 0;
}

.credit-layout {
    display: block;
}

.credit-main {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pay-per-use-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-comparison-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card {
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.feature-card.free {
    background: linear-gradient(135deg, #f8faff 0%, #eef2ff 100%);
    border: 1px solid rgba(77, 107, 254, 0.1);
}

.feature-card.pro {
    background: linear-gradient(135deg, #4D6BFE 0%, #3D5BEE 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(77, 107, 254, 0.2);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.feature-card.pro h3 {
    color: white;
}

.feature-status-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.feature-card.free .feature-status-badge {
    background: rgba(77, 107, 254, 0.1);
    color: #4D6BFE;
}

.feature-card.pro .feature-status-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1rem;
}

.credit-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.4;
}

.credit-feature-item::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--primary-color);
    flex: 0 0 auto;
}

.feature-card.pro .credit-feature-item {
    color: rgba(255, 255, 255, 0.92);
}

.feature-card.pro .credit-feature-item::before {
    background: rgba(255, 255, 255, 0.85);
}

.credit-pricing-card,
.quota-checker,
.api-instructions {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
}

html[lang="en"] .api-instructions {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
}

html[lang="en"] .quota-checker {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
}

.credit-pricing-card {
    position: relative;
    text-align: left;
    padding: 1rem;
    height: auto;
    border-color: rgba(77, 107, 254, 0.35);
    background: var(--bg-secondary);
    scroll-margin-top: 90px;
}

.credit-purchase-title {
    font-size: 1.25rem;
    line-height: 1.25;
    margin-bottom: 0.65rem;
    color: var(--text-main);
}

.price-tag {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.65rem;
}

.per-unit {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.purchase-form .form-group,
.quota-form .form-group {
    margin-bottom: 0.75rem;
}

.purchase-form label,
.quota-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    color: var(--text-main);
}

.purchase-form input,
.quota-form input {
    width: 100%;
    padding: 0.6rem 0.72rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    background: var(--bg-secondary);
    color: var(--text-main);
}

.purchase-form input:focus,
.quota-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(77, 107, 254, 0.16);
}

.amount-options {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 0.55rem;
}

.amount-option {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 9px;
    padding: 0.9rem 0.45rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    color: var(--text-main);
    min-height: 128px;
    line-height: 1.25;
}

.amount-option:hover,
.amount-option.selected {
    border-color: var(--primary-color);
    background: rgba(77, 107, 254, 0.05);
}

.amount-value {
    font-weight: 700;
    font-size: 1.12rem;
}

.conversions,
.total-conversions {
    font-size: 0.9rem;
    margin-top: 0.55rem;
}

.conversions {
    color: var(--text-muted);
}

.total-conversions {
    color: var(--text-main);
    font-weight: 700;
}

.bonus {
    font-size: 0.9rem;
    color: #EF4444;
    font-weight: 700;
    margin-top: 0.55rem;
}

.discount-badge {
    position: absolute;
    top: -10px;
    right: -8px;
    background: #EF4444;
    color: white;
    padding: 3px 6px;
    font-size: 0.66rem;
    font-weight: 700;
    border-radius: 12px 4px 12px 4px;
    transform: rotate(12deg);
}

.purchase-btn,
.check-quota-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.78rem 1rem;
    font-size: 0.92rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s ease;
}

.credit-card-note {
    margin: 0.6rem 0 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.credit-pricing-card .amount-option {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.credit-pricing-card .total-conversions {
    font-size: 0.9rem;
}

.purchase-btn:hover,
.check-quota-btn:hover {
    background: var(--primary-hover);
}

.purchase-btn:disabled,
.check-quota-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.quota-checker h2,
.api-instructions h2 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.quota-checker p,
.api-instructions p {
    color: var(--text-muted);
    line-height: 1.6;
}

.quota-api-key-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.quota-api-key-wrapper input {
    padding-right: 78px;
}

.quota-api-key-wrapper .toggle-visibility-btn,
.copy-api-key-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    border-radius: 6px;
}

.quota-api-key-wrapper .toggle-visibility-btn {
    right: 38px;
}

.copy-api-key-btn {
    right: 6px;
}

.quota-api-key-wrapper .toggle-visibility-btn:hover,
.copy-api-key-btn:hover {
    background: rgba(77, 107, 254, 0.1);
    color: var(--primary-color);
}

.copy-tooltip {
    position: absolute;
    top: -28px;
    right: 0;
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
}

.quota-account-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.quota-account-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
}

.quota-account-block .quota-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quota-account-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    color: var(--text-main);
    font-weight: 700;
}

.quota-plan-badge {
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: rgba(77, 107, 254, 0.12);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 700;
}

.quota-empty-message {
    margin: 0;
    text-align: center;
    color: var(--text-muted);
}

.quota-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    text-align: center;
}

.quota-stat-label,
.quota-expiration-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.quota-stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

.quota-stat-value.highlight {
    color: var(--primary-color);
}

.quota-progress-bg {
    height: 8px;
    background: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
    margin: 1rem 0;
}

.quota-progress-fill {
    height: 100%;
    width: 0;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.quota-expiration {
    text-align: center;
}

.quota-expiration-value {
    font-weight: 700;
    color: var(--text-main);
}

.api-instructions ol {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.api-instructions li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    flex: 0 0 auto;
}

.faq-card {
    border-top: 1px solid var(--border-color);
    padding: 0.9rem 0;
}

.faq-card:first-of-type {
    border-top: none;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    color: var(--text-main);
    font-weight: 600;
}

.faq-toggle-icon {
    flex: 0 0 auto;
    transition: transform 0.2s ease;
}

.faq-answer {
    margin-top: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.faq-card.collapsed .faq-answer {
    display: none;
}

.faq-card.collapsed .faq-toggle-icon {
    transform: rotate(-90deg);
}

/* 订阅弹窗 */
.subscribe-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.subscribe-modal.show {
    opacity: 1;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 2rem;
    width: 90%;
    max-width: 420px;
    position: relative;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 1.75rem;
    color: var(--text-light);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--text-main);
}

.modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.modal-price {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.modal-form {
    text-align: left;
}

.modal-form .form-group {
    margin-bottom: 1.25rem;
}

.modal-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
}

.modal-form input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--bg-secondary);
    color: var(--text-main);
    transition: border-color 0.2s;
}

.modal-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 输入框错误状态 */
.modal-form input.input-error {
    border-color: #EF4444;
}

.modal-form input.input-error:focus {
    border-color: #EF4444;
}

.input-error-msg {
    color: #EF4444;
    font-size: 0.8rem;
    margin-top: 0.4rem;
    line-height: 1.4;
}

/* 通用错误信息（按钮下方） */
.general-error-msg {
    color: #EF4444;
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.75rem;
    line-height: 1.4;
    display: none;
}

.general-error-msg.show {
    display: block;
}

.general-error-msg.show.has-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    color: #92400E;
    background: #FEF3C7;
    border: 1px solid #FCD34D;
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.general-error-msg.show.success {
    color: #065F46;
    background: #D1FAE5;
    border: 1px solid #6EE7B7;
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.resume-renewal-btn {
    padding: 0.45rem 1.2rem;
    background: #F59E0B;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.resume-renewal-btn:hover {
    background: #D97706;
}

.resume-renewal-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 支付方式选择 */
.payment-methods {
    display: flex;
    gap: 0.75rem;
}

.payment-method {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.payment-method:hover {
    border-color: var(--primary-color);
}

.payment-method.selected {
    border-color: var(--primary-color);
    background: rgba(77, 107, 254, 0.05);
}

.payment-method span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.payment-method.selected span {
    color: var(--primary-color);
}

/* 登录切换 */
.login-toggle {
    text-align: center;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.login-toggle a {
    color: var(--primary-color);
    font-weight: 500;
    margin-left: 0.25rem;
}

.login-toggle a:hover {
    text-decoration: underline;
}

/* API Key 输入区域 */
.api-key-section .api-key-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.api-key-section .api-key-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
}

.api-key-section .api-key-input-wrapper input {
    padding-right: 40px;
}

.api-key-section .toggle-visibility-btn {
    position: absolute;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    padding: 4px;
    height: 32px;
    width: 32px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.api-key-section .toggle-visibility-btn:hover {
    background: rgba(77, 107, 254, 0.1);
    color: var(--primary-color);
}

/* 验证按钮 */
.verify-api-key-btn {
    padding: 0.8rem 1rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.verify-api-key-btn:hover {
    background: var(--primary-color);
    color: white;
}

.verify-api-key-btn:disabled {
    border-color: var(--text-light);
    color: var(--text-light);
    cursor: not-allowed;
}

.verify-api-key-btn:disabled:hover {
    background: transparent;
    color: var(--text-light);
}

/* 验证结果显示区域 */
.api-key-verify-result,
.email-verify-result {
    margin-top: 0.5rem;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.api-key-verify-result.success,
.email-verify-result.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.api-key-verify-result.error,
.email-verify-result.error {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.api-key-verify-result.loading,
.email-verify-result.loading {
    background: rgba(77, 107, 254, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(77, 107, 254, 0.3);
}

/* 确认订阅按钮 */
.confirm-subscribe-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    background: var(--primary-color);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.confirm-subscribe-btn:hover {
    background: var(--primary-hover);
}

.confirm-subscribe-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

.cancel-confirm-btn {
    background: #EF4444;
}

.cancel-confirm-btn:hover {
    background: #DC2626;
}

.cancel-confirm-btn:disabled {
    background: var(--text-light);
}

.cancel-link {
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
    transition: color 0.2s;
}

.cancel-link:hover {
    color: #EF4444;
}

.cancel-modal-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 400;
}

/* 响应式布局 */
/* 大屏幕 (1200px+): 4列,显示所有卡片,隐藏切换按钮 */

/* 中等屏幕 (768px-1200px): 显示切换按钮,2列 */
@media (max-width: 1200px) {
    /* 2列布局 */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 680px;
    }
}

@media (max-width: 980px) {
    .purchase-hero {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .pricing-grid {
        height: auto;
    }

    .credit-pricing-card {
        order: -1;
        width: 100%;
        height: auto;
    }
}

/* 小屏幕 (<768px): 显示切换按钮,1列 */
@media (max-width: 768px) {
    .content>h1 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    /* 显示切换按钮 */
    .billing-toggle {
        display: inline-grid;
    }

    .toggle-btn {
        justify-content: center;
    }

    /* 1列布局 */
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .plan-card {
        padding: 1.5rem;
    }

    .section-heading h2 {
        font-size: 1.6rem;
    }

    .credit-main {
        grid-template-columns: 1fr;
    }

    .api-instructions {
        grid-column: auto;
    }

    .credit-pricing-card {
        position: static;
        order: -1;
    }

    .feature-grid,
    .quota-stats {
        grid-template-columns: 1fr;
    }

    .amount-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-status-badge {
        position: static;
        display: inline-block;
        margin-bottom: 0.75rem;
    }
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
    .billing-toggle {
        --toggle-track-bg: #161A22;
        --toggle-track-border: #2A3140;
        --toggle-thumb-bg: #252C3A;
        --toggle-muted: #8F98A8;
        --toggle-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
        --toggle-thumb-shadow: 0 1px 1px rgba(0, 0, 0, 0.35), 0 8px 18px rgba(0, 0, 0, 0.22);
    }

    .plan-card.featured {
        background: linear-gradient(180deg, rgba(77, 107, 254, 0.1) 0%, var(--bg-secondary) 100%);
    }

    .plan-card.ultra {
        background: linear-gradient(180deg, rgba(245, 158, 11, 0.1) 0%, var(--bg-secondary) 100%);
    }

    .subscribe-btn:hover {
        background: rgba(77, 107, 254, 0.15);
    }

    .modal-content {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    .feature-card.free {
        background: linear-gradient(135deg, #1e212d 0%, #161922 100%);
        border-color: rgba(255, 255, 255, 0.05);
        color: #eee;
    }

    .feature-card.free h3 {
        color: #fff;
    }

    .feature-card.free .feature-status-badge {
        background: rgba(255, 255, 255, 0.05);
        color: #aaa;
    }
}