/* 用户中心样式 */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
}

/* 用户中心容器 */
.user-center-container,
.membership-container {
    min-height: 100vh;
    background: var(--bg-light);
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

/* 顶部导航 */
.uc-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.uc-header h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

/* 内容区域 */
.uc-content {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    gap: 24px;
}

/* 左侧导航 */
.uc-sidebar {
    width: 240px;
    flex-shrink: 0;
}

.uc-nav {
    background: white;
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.uc-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s;
    font-size: 14px;
}

.uc-nav-item:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.uc-nav-item.active {
    background: var(--primary-color);
    color: white;
}

.uc-nav-item svg {
    flex-shrink: 0;
}

/* 主内容区 */
.uc-main {
    flex: 1;
}

.uc-tab-content {
    display: none;
}

.uc-tab-content.active {
    display: block;
}

/* 卡片 */
.uc-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.uc-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.uc-card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.uc-card-body {
    padding: 24px;
}

/* 信息项 */
.profile-info,
.membership-status {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.info-item label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 14px;
}

.info-item span {
    color: var(--text-primary);
    font-size: 14px;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-guest {
    background: #e5e7eb;
    color: #6b7280;
}

.badge-member {
    background: #dbeafe;
    color: #3b82f6;
}

.badge-month {
    background: #ddd6fe;
    color: #8b5cf6;
}

.badge-quarter {
    background: #fef3c7;
    color: #f59e0b;
}

.badge-year {
    background: #fed7aa;
    color: #ea580c;
}

.badge-lifetime {
    background: #fee2e2;
    color: #ef4444;
}

.badge-admin {
    background: #dcfce7;
    color: #10b981;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 按钮 */
.btn-primary {
    padding: 10px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    padding: 10px 24px;
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

/* 会员购买页面 */
.membership-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

.membership-intro {
    text-align: center;
    margin-bottom: 48px;
}

.membership-intro h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.membership-intro p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 套餐卡片网格 */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.plan-card {
    background: white;
    border-radius: 12px;
    padding: 32px 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    text-align: center;
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.plan-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.plan-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.plan-price {
    margin-bottom: 24px;
}

.plan-price-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 24px;
    margin-bottom: 10px;
}

.price-original {
    font-size: 15px;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.price-discount-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #2563eb;
    font-size: 12px;
    font-weight: 700;
}

.price-symbol {
    font-size: 20px;
    color: var(--text-secondary);
}

.price-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-period {
    font-size: 14px;
    color: var(--text-secondary);
}

.plan-savings {
    min-height: 20px;
    margin-top: 8px;
    color: #2563eb;
    font-size: 13px;
    font-weight: 600;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    text-align: left;
}

.plan-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.btn-purchase {
    width: 100%;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-purchase:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* 功能对比表 */
.comparison-table {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.comparison-table h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: center;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

/* 支付对话框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s;
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.payment-detail {
    margin-bottom: 24px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.price-highlight {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.payment-methods h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.payment-method-list {
    display: flex;
    gap: 16px;
}

.payment-method {
    flex: 1;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.payment-method input[type="radio"] {
    margin: 0;
}

/* 文本样式 */
.text-error {
    color: var(--error-color);
}

.text-secondary {
    color: var(--text-secondary);
}

.empty-text {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
}

.uc-card-subtitle {
    margin: 8px 0 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.uc-nav-badge {
    margin-left: auto;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.24);
    color: inherit;
    font-size: 12px;
    line-height: 20px;
    text-align: center;
}

.uc-feedback-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 24px;
}

.uc-feedback-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.uc-feedback-summary-item {
    padding: 16px;
    border-radius: 10px;
    background: var(--bg-light);
    text-align: center;
}

.uc-feedback-summary-item strong {
    display: block;
    font-size: 28px;
    color: var(--primary-color);
}

.uc-feedback-summary-item span {
    color: var(--text-secondary);
    font-size: 13px;
}

.uc-feedback-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.uc-feedback-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.uc-feedback-item {
    width: 100%;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 12px;
    padding: 16px;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.uc-feedback-item:hover,
.uc-feedback-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.12);
    transform: translateY(-1px);
}

.uc-feedback-item-head,
.uc-feedback-item-meta,
.uc-feedback-response-head,
.uc-feedback-detail-grid {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.uc-feedback-item-title {
    margin: 10px 0 8px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
}

.uc-feedback-item-meta,
.uc-feedback-item-excerpt,
.uc-feedback-response-foot {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

.uc-feedback-status,
.uc-feedback-unread {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.uc-feedback-status.status-new {
    background: #e0f2fe;
    color: #0369a1;
}

.uc-feedback-status.status-in_progress {
    background: #fef3c7;
    color: #b45309;
}

.uc-feedback-status.status-resolved,
.uc-feedback-status.status-closed {
    background: #dcfce7;
    color: #15803d;
}

.uc-feedback-unread {
    background: #fee2e2;
    color: #b91c1c;
}

.uc-feedback-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 20px;
}

.uc-feedback-detail-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
}

.uc-feedback-detail-item label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 13px;
}

.uc-feedback-detail-item div {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    word-break: break-word;
}

.uc-feedback-block {
    margin-bottom: 20px;
}

.uc-feedback-block h3 {
    margin: 0 0 12px;
    color: var(--text-primary);
    font-size: 18px;
}

.uc-feedback-content,
.uc-feedback-response-body {
    color: var(--text-primary);
    line-height: 1.8;
    word-break: break-word;
}

.uc-feedback-response {
    border-radius: 12px;
    padding: 18px;
    background: #f8fafc;
    border: 1px solid #dbeafe;
}

.uc-feedback-response.empty {
    color: var(--text-secondary);
    border-style: dashed;
}

.is-account-pretext {
    display: block;
    max-width: 100%;
}

.account-pretext-line {
    display: block;
    max-width: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .uc-content {
        flex-direction: column;
    }
    
    .uc-sidebar {
        width: 100%;
    }
    
    .uc-nav {
        display: flex;
        overflow-x: auto;
    }
    
    .uc-nav-item {
        white-space: nowrap;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .payment-method-list {
        flex-direction: column;
    }

    .uc-feedback-layout,
    .uc-feedback-summary,
    .uc-feedback-detail-grid {
        grid-template-columns: 1fr;
    }

    .uc-feedback-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 520px) {
    .uc-header,
    .membership-content,
    .uc-content {
        padding-left: 12px;
        padding-right: 12px;
    }

    .uc-sidebar,
    .uc-main,
    .membership-content,
    .plans-grid,
    .comparison-table,
    .uc-feedback-layout,
    .uc-feedback-summary,
    .uc-feedback-detail-grid,
    .payment-method-list {
        width: 100%;
        min-width: 0;
        grid-template-columns: 1fr;
    }

    .uc-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .uc-card,
    .comparison-table,
    .modal-content {
        border-radius: 16px;
    }

    .comparison-table {
        overflow-x: auto;
    }

    .modal {
        padding: 8px;
    }

    .modal-content {
        width: min(100%, calc(100vw - 16px));
        max-height: calc(100dvh - 16px);
    }

    .uc-nav-item,
    .btn-primary,
    .btn-secondary,
    .plan-btn,
    .payment-btn,
    input,
    select,
    textarea {
        min-height: 44px;
    }
}

.plan-card.recharge-paused .btn-purchase,.btn-purchase:disabled{background:#e2e8f0;color:#526176;cursor:not-allowed;box-shadow:none;transform:none}.plan-card.recharge-paused{border-color:#d6dee7}