/* ==================== 变量定义 ==================== */
:root {
    --primary-accent: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --secondary-accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-sidebar: #f1f5f9;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --border-color-hover: #cbd5e1;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

/* ==================== 基础重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

a {
    color: var(--primary-accent);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* ==================== 布局 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Markdown 内容 */
.markdown-content {
    color: var(--text-primary);
    line-height: 1.75;
    word-break: break-word;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
    font-weight: 800;
    margin: 0.75rem 0 0.5rem;
}

.markdown-content h1 { font-size: 1.35rem; }
.markdown-content h2 { font-size: 1.2rem; }
.markdown-content h3 { font-size: 1.08rem; }
.markdown-content p { margin-bottom: 0.75rem; }
.markdown-content ul { padding-left: 1.25rem; margin-bottom: 0.75rem; }
.markdown-content blockquote {
    border-left: 4px solid var(--primary-accent);
    padding-left: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-hover);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}
.markdown-content code {
    background: var(--primary-light);
    color: var(--primary-hover);
    border-radius: 6px;
    padding: 0.1rem 0.35rem;
}
.markdown-content pre {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: var(--border-radius-md);
    padding: 0.85rem;
    overflow-x: auto;
}
.markdown-content img { max-width: 100%; border-radius: var(--border-radius-md); }
.delivery-plain {
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 0.75rem;
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.navbar-brand i {
    -webkit-text-fill-color: initial;
    color: var(--primary-accent);
}

/* 导航栏中央区域 */
.nav-center {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
    justify-content: center;
}

.nav-center .nav-link {
    flex: 0 1 auto;
    text-align: center;
    min-width: 90px;
}

/* 导航栏右侧操作区域 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-accent);
    background: var(--primary-light);
}

.nav-link i {
    margin-right: 0.4rem;
}

/* ==================== 按钮 ==================== */
.btn {
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    filter: brightness(1.05);
    color: white;
}

.btn-outline {
    border: 1.5px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--primary-accent);
    color: var(--primary-accent);
    background: rgba(99, 102, 241, 0.05);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    border: none;
    color: white;
}

.btn-danger:hover {
    filter: brightness(1.05);
    color: white;
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* ==================== 卡片 ==================== */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

/* ==================== 商品卡片 ==================== */
.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.product-card .product-image {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, #f5f3ff 0%, #e0e7ff 50%, #ede9fe 100%);
}

.product-card .product-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .category-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-card .product-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.product-card .product-desc {
    color: var(--text-secondary);
    font-size: 0.8rem;
    flex: 1;
    line-height: 1.5;
}

.product-card .product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.product-card .price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--danger);
}

.product-card .stock-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    position: absolute;
    top: 10px;
    right: 10px;
}

.stock-badge.in-stock {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stock-badge.low-stock {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

/* ==================== 表单 ==================== */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    display: block;
}

.form-control {
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    background: var(--bg-surface);
}

.form-control:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    outline: none;
}

.form-select {
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    background: var(--bg-surface);
}

.form-select:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    outline: none;
}

/* ==================== 徽章 ==================== */
.badge {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-accent);
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* ==================== 头像 ==================== */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.avatar-lg {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

/* ==================== 控制台布局 ==================== */
.dashboard-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header-bar {
    background: var(--bg-surface);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header-bar .avatar {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: sticky;
    top: 90px;
}

.sidebar-header {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.sidebar-nav {
    padding: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: 0.85rem;
    border: 1px solid transparent;
    white-space: nowrap;
    gap: 0.5rem;
}

.sidebar-nav-item:hover,
.sidebar-nav-item.active {
    background: var(--primary-light);
    color: var(--primary-accent);
    border-color: var(--primary-accent);
}

.sidebar-nav-item i {
    font-size: 1rem;
    width: 18px;
}

/* ==================== 模态框 ==================== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.btn-close {
    opacity: 0.5;
}

.btn-close:hover {
    opacity: 1;
}

/* ==================== Toast ==================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-surface);
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
    min-width: 280px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-error {
    border-left: 4px solid var(--danger);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-info {
    border-left: 4px solid var(--info);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--info); }

/* ==================== 聊天 ==================== */
.chat-container {
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chat-bubble {
    max-width: 75%;
    padding: 0.75rem 1rem;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-bubble.sent {
    background: var(--gradient-primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble.received {
    background: var(--bg-hover);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble .chat-time {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 0.25rem;
    display: block;
}

.chat-input-area {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

/* ==================== 表格 ==================== */
.table {
    margin-bottom: 0;
}

.table thead th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    padding: 0.75rem;
    background: var(--bg-hover);
}

.table tbody td {
    padding: 0.85rem 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.03);
}

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.empty-state h5 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* ==================== 统计卡片 ==================== */
.stat-card {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card i {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-card.primary i { color: var(--primary-accent); }
.stat-card.success i { color: var(--success); }
.stat-card.warning i { color: var(--warning); }
.stat-card.danger i { color: var(--danger); }

/* ==================== 发货信息卡片 ==================== */
.delivery-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.03) 100%);
    border: 1.5px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
}

.delivery-card .copy-btn {
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-fast);
    margin-left: 0.5rem;
}

.delivery-card .copy-btn:hover {
    opacity: 1;
    color: var(--primary-accent);
}

/* ==================== 星星评分 ==================== */
.star-rating {
    display: inline-flex;
    gap: 0.25rem;
}

.star-rating i {
    cursor: pointer;
    color: #d1d5db;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.star-rating i:hover,
.star-rating i.active {
    color: #fbbf24;
}

.star-rating i:hover {
    transform: scale(1.2);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.page-link {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    padding: 0.5rem 0.85rem;
    transition: var(--transition-fast);
}

.page-link:hover {
    background: var(--primary-light);
    color: var(--primary-accent);
    border-color: var(--primary-accent);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border-color: var(--primary-accent);
}

/* ==================== 支付组件样式 ==================== */
.payment-select-card {
    transition: all 0.2s ease;
}

.payment-select-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.payment-select-card.border-primary {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.payment-method-card {
    transition: all 0.2s ease;
}

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

/* ==================== 搜索栏 ==================== */
.search-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-input input {
    width: 100%;
    padding-left: 2.5rem;
}

/* ==================== 过滤器 ==================== */
.filter-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.filter-group select {
    min-width: 140px;
}

/* ==================== 加载动画 ==================== */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .product-card .product-image {
        height: 100px;
        font-size: 2.5rem;
    }

    .sidebar {
        position: static;
        margin-bottom: 1rem;
    }

    .chat-bubble {
        max-width: 90%;
    }

    .modal-dialog {
        margin: 0.5rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-input {
        min-width: 100%;
    }
}

/* ==================== 工具类 ==================== */
.text-primary { color: var(--primary-accent) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--text-muted) !important; }

/* ==================== 会员卡片样式 ==================== */
.membership-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.membership-card {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: var(--transition-smooth);
    position: relative;
}

.membership-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.membership-card.current {
    border-color: var(--primary-accent);
}

.membership-card .card-header {
    background: var(--card-gradient);
    color: white;
    padding: 1.5rem;
    text-align: center;
    position: relative;
}

.membership-card .card-header i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.membership-card .card-header h5 {
    margin: 0;
    font-weight: 700;
}

.membership-card .current-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(255,255,255,0.2);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.membership-card .card-body {
    padding: 1.5rem;
}

.membership-card .privilege-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.membership-card .privilege-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.membership-card .privilege-list li:last-child {
    border-bottom: none;
}

.membership-card .privilege-list li i {
    color: var(--success);
}

.membership-card .card-footer {
    padding: 1rem 1.5rem 1.5rem;
}

/* 当前会员卡片 */
.membership-current-card {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-accent) 100%);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-md);
}

.membership-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.membership-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* 权益展示 */
.privileges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.privilege-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
}

.privilege-item i {
    color: var(--primary-accent);
    font-size: 1.25rem;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .membership-cards {
        grid-template-columns: 1fr;
    }
    
    .membership-current-card {
        flex-direction: column;
        text-align: center;
    }
    
    .privileges-grid {
        grid-template-columns: 1fr;
    }
}

.bg-primary-light { background: var(--primary-light) !important; }
.bg-success-light { background: rgba(16, 185, 129, 0.1) !important; }

.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* 隐藏/显示 */
.hidden { display: none !important; }
.visible { display: block !important; }

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-hover);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}