/* 现代化管理后台样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* 侧边栏 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    z-index: 1000;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.sidebar-subtitle {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 5px;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: block;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: #4fc3f7;
}

.nav-item i {
    width: 20px;
    margin-right: 10px;
    text-align: center;
}

/* 主内容区 */
.main-wrapper {
    margin-left: 260px;
    min-height: 100vh;
    background: #f5f5f5;
}

.top-bar {
    background: white;
    padding: 15px 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.breadcrumb {
    font-size: 14px;
    color: #666;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.change-password-btn {
    padding: 8px 16px;
    background: #ffa726;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 12px;
    transition: background 0.3s ease;
}

.change-password-btn:hover {
    background: #ff9800;
    color: white;
    text-decoration: none;
}

.logout-btn {
    padding: 8px 16px;
    background: #f44336;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 12px;
    transition: background 0.3s ease;
}

.logout-btn:hover {
    background: #d32f2f;
}

.content {
    padding: 30px;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    background: #fafafa;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 20px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon.users { background: linear-gradient(45deg, #667eea, #764ba2); }
.stat-icon.active { background: linear-gradient(45deg, #4caf50, #45a049); }
.stat-icon.expired { background: linear-gradient(45deg, #ff9800, #f57c00); }
.stat-icon.today { background: linear-gradient(45deg, #2196f3, #1976d2); }

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

.stat-trend {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
    background: #e8f5e8;
    color: #4caf50;
}

/* 表格样式 */
.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.table th {
    background: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #555;
    border-bottom: 1px solid #dee2e6;
}

.table td {
    padding: 15px;
    border-bottom: 1px solid #f1f3f4;
}

.table tr:hover {
    background: #f8f9fa;
}

/* 状态标签 */
.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-active {
    background: #e8f5e8;
    color: #4caf50;
}

.status-expired {
    background: #fff3e0;
    color: #ff9800;
}

.status-disabled {
    background: #ffebee;
    color: #f44336;
}

.status-pending {
    background: #fff3e0;
    color: #ff9800;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-icon {
    font-size: 48px;
    color: #ddd;
    margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content {
        padding: 20px;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.page-btn {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: white;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.page-btn:hover,
.page-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* 页面数据汇总页面专用样式 */
.account-card {
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin-bottom: 25px;
}

.account-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.account-card .card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border: none;
}

.account-card .card-header h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.account-card .card-header .btn-group {
    gap: 8px;
}

.account-card .card-header .btn {
    border: 1px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 0.85rem;
    padding: 6px 12px;
    transition: all 0.3s ease;
}

.account-card .card-header .btn:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
}

.account-card .card-header .btn-danger {
    background: rgba(220, 53, 69, 0.8);
    border-color: rgba(220, 53, 69, 0.8);
}

.account-card .card-header .btn-danger:hover {
    background: #dc3545;
    border-color: #dc3545;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

.stat-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    margin-bottom: 15px;
}

.stat-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.stat-box.bg-info {
    background: linear-gradient(135deg, #17a2b8, #138496) !important;
    color: white;
}

.stat-box.bg-success {
    background: linear-gradient(135deg, #28a745, #1e7e34) !important;
    color: white;
}

.stat-box.bg-warning {
    background: linear-gradient(135deg, #ffc107, #d39e00) !important;
    color: #212529;
}

.stat-box.bg-danger {
    background: linear-gradient(135deg, #dc3545, #bd2130) !important;
    color: white;
}

.stat-box.bg-secondary {
    background: linear-gradient(135deg, #6c757d, #545b62) !important;
    color: white;
}

.stat-box.bg-dark {
    background: linear-gradient(135deg, #343a40, #1d2124) !important;
    color: white;
}

.stat-box .stat-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-box .stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 500;
}

.page-info {
    padding: 0;
}

.page-info .page-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: #333;
}

.page-info .page-url {
    font-size: 0.8rem;
    color: #666;
}

.table-hover tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

.badge {
    font-size: 0.75rem;
    padding: 0.4em 0.7em;
    border-radius: 0.5rem;
    font-weight: 600;
}

.container-fluid {
    padding: 0;
}

.container-fluid > .d-flex {
    margin-bottom: 25px;
}

.container-fluid h2 {
    color: #333;
    font-weight: 700;
    font-size: 1.8rem;
}

.container-fluid h2 i {
    color: #667eea;
    margin-right: 10px;
}

/* 搜索框样式 */
.search-container {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 25px;
}

.search-container .form-control {
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    padding: 12px 16px;
}

.search-container .btn {
    border-radius: 8px;
    padding: 12px 20px;
}

/* 分页样式优化 */
.pagination {
    margin-top: 30px;
}

.pagination .page-item .page-link {
    border: 1px solid #e0e0e0;
    color: #666;
    padding: 10px 15px;
    margin: 0 2px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: #667eea;
    color: white;
}

.pagination .page-item .page-link:hover {
    background: #f8f9fa;
    border-color: #667eea;
    color: #667eea;
}

/* 空状态样式 */
.alert-info {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border: none;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    color: #1976d2;
}

.alert-info .btn {
    margin: 5px;
    border-radius: 8px;
}

/* 最近页面表格样式 */
.recent-pages-section {
    margin-top: 25px;
}

.recent-pages-section h6 {
    color: #333;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

.recent-pages-section h6 i {
    color: #667eea;
    margin-right: 8px;
}

.recent-pages-section .table {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.recent-pages-section .table thead th {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    color: #495057;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 12px 15px;
    border: none;
}

.recent-pages-section .table tbody td {
    padding: 15px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f3f4;
}

.recent-pages-section .table tbody tr:last-child td {
    border-bottom: none;
}

.recent-pages-section .table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.03);
}

/* 页面信息样式 */
.page-info .page-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 3px;
    font-size: 0.9rem;
}

.page-info .page-url {
    font-size: 0.75rem;
    color: #6c757d;
    line-height: 1.3;
}

.page-info .page-url i {
    color: #adb5bd;
    margin-right: 4px;
}

/* 统计徽章样式 */
.badge.bg-warning {
    background: linear-gradient(135deg, #ffc107, #ffb300) !important;
    color: #212529 !important;
    font-weight: 600;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #dc3545, #c82333) !important;
    color: white !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #6c757d, #5a6268) !important;
    color: white !important;
}

.badge.bg-dark {
    background: linear-gradient(135deg, #343a40, #23272b) !important;
    color: white !important;
}

/* 查看详情按钮 */
.btn-outline-primary {
    border-color: #667eea;
    color: #667eea;
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: #667eea;
    border-color: #667eea;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* 用户管理按钮 */
.btn-outline-primary.user-management {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid #667eea;
    color: #667eea;
    font-weight: 500;
    padding: 10px 20px;
}

.btn-outline-primary.user-management:hover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* 搜索区域样式 */
.search-section {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 25px;
}

.search-section .form-control {
    border: 1px solid #e3e6f0;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.search-section .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-section .btn {
    border-radius: 8px;
    padding: 12px 16px;
    font-weight: 500;
}

.search-section .btn-outline-primary {
    border-color: #667eea;
    color: #667eea;
}

.search-section .btn-outline-secondary {
    border-color: #6c757d;
    color: #6c757d;
}

/* 总计信息样式 */
.total-count {
    color: #6c757d;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.account-card {
    animation: fadeInUp 0.5s ease-out;
}

.account-card:nth-child(2) { animation-delay: 0.1s; }
.account-card:nth-child(3) { animation-delay: 0.2s; }
.account-card:nth-child(4) { animation-delay: 0.3s; }
.account-card:nth-child(5) { animation-delay: 0.4s; }

/* 响应式优化 */
@media (max-width: 768px) {
    .account-card .card-header .row {
        flex-direction: column;
        gap: 15px;
    }
    
    .account-card .card-header .col-md-4 {
        text-align: center;
    }
    
    .account-card .card-header .btn-group {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .stat-box {
        padding: 15px;
    }
    
    .stat-box .stat-number {
        font-size: 1.5rem;
    }
    
    .recent-pages-section .table-responsive {
        border-radius: 8px;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .search-section .d-flex {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-section .btn {
        width: 100%;
    }
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.page-header h2 {
    margin: 0;
    color: #333;
    font-weight: 700;
    font-size: 1.8rem;
}

.page-header h2 i {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: 12px;
}

/* 统计数据网格优化 */
.stats-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

@media (max-width: 1200px) {
    .stats-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

@media (max-width: 576px) {
    .stats-row {
        grid-template-columns: 1fr;
    }
}

/* 加载状态 */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

/* 成功/错误消息样式 */
.alert {
    border: none;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    color: #856404;
}

/* 工具提示增强 */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

[data-tooltip]:after {
    content: '';
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
    opacity: 1;
    visibility: visible;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}

/* 表格响应式优化 */
.table-responsive {
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
}

.table-responsive::-webkit-scrollbar {
    height: 6px;
}

/* 按钮组优化 */
.btn-group .btn {
    border-radius: 6px !important;
    margin: 0 2px;
}

.btn-group .btn:first-child {
    margin-left: 0;
}

.btn-group .btn:last-child {
    margin-right: 0;
}

/* 页面过渡动画 */
.content {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 页面数据汇总样式 */
.account-card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
    margin-bottom: 1.5rem;
}

.account-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stat-box {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 10px;
    transition: transform 0.2s ease;
}

.stat-box:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 5px;
}

.page-info .page-title {
    font-weight: 500;
    margin-bottom: 2px;
}

.page-info .page-url {
    font-size: 0.85rem;
}

.badge {
    font-size: 0.8rem;
    padding: 0.4em 0.6em;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    font-size: 0.9rem;
}

.table td {
    vertical-align: middle;
    font-size: 0.9rem;
}

/* 不同统计数据的颜色 */
.bg-info { 
    background: linear-gradient(135deg, #17a2b8, #138496) !important; 
}

.bg-success { 
    background: linear-gradient(135deg, #28a745, #1e7e34) !important; 
}

.bg-warning { 
    background: linear-gradient(135deg, #ffc107, #d39e00) !important; 
    color: #212529 !important; 
}

.bg-danger { 
    background: linear-gradient(135deg, #dc3545, #bd2130) !important; 
}

.bg-secondary { 
    background: linear-gradient(135deg, #6c757d, #545b62) !important; 
}

.bg-dark { 
    background: linear-gradient(135deg, #343a40, #1d2124) !important; 
}

/* 删除按钮样式 */
.btn-danger {
    transition: all 0.3s ease;
}

.btn-danger:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.3);
}

/* 搜索框样式 */
.search-container {
    margin-bottom: 2rem;
}

.search-container .form-control {
    border-radius: 25px;
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.search-container .form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 分页样式 */
.pagination .page-link {
    border-radius: 50px;
    margin: 0 2px;
    border: none;
    color: #007bff;
    transition: all 0.3s ease;
}

.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
}

.pagination .page-link:hover {
    background-color: #e9ecef;
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .stat-box {
        margin-bottom: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .account-card .card-header .row {
        flex-direction: column;
        text-align: center;
    }
    
    .account-card .card-header .col-md-4 {
        margin-bottom: 0.5rem;
    }
}