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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .clearfix::after {
            content: "";
            display: table;
            clear: both;
        }

        /* ====== 布局容器 ====== */
        .dashboard-container {
            display: flex;
            min-height: 100vh;
        }

        /* ====== 侧边栏导航 ====== */
        .sidebar {
            width: 260px;
            background: linear-gradient(180deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 20px 0;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            height: 100vh;
            z-index: 100;
            overflow-y: auto;
        }

        .logo-area {
            padding: 0 20px 30px;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 30px;
        }

        .logo {
            font-size: 26px;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .logo i {
            color: #4cc9f0;
        }

        .user-info {
            padding: 15px 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            background: rgba(255, 255, 255, 0.05);
            margin: 0 15px 20px;
            border-radius: 10px;
        }

        .user-avatar {
            width: 50px;
            height: 50px;
            background: linear-gradient(45deg, #4cc9f0, #4361ee);
            border-radius: 50%;
            display: flex;
           /*  align-items: center; */
            justify-content: center;
            font-size: 30px;
            font-weight: bold;
        }

        .user-details h3 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .user-details p {
            font-size: 12px;
            opacity: 0.8;
        }

        /* 导航菜单 */
        .nav-menu {
            padding: 0 15px;
        }

        .nav-section {
            margin-bottom: 25px;
        }

        .nav-section h4 {
            font-size: 13px;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 15px;
            padding-left: 10px;
            letter-spacing: 1px;
        }

        .nav-item {
            margin-bottom: 8px;
            border-radius: 8px;
            overflow: hidden;
        }

        .nav-item a {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            transition: all 0.3s ease;
            font-size: 15px;
        }

        .nav-item a:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-item.active a {
            background: rgba(255, 255, 255, 0.15);
            border-left: 4px solid #4cc9f0;
        }

        .nav-item i {
            width: 24px;
            font-size: 16px;
            margin-right: 12px;
        }

        .nav-item .badge {
            margin-left: auto;
            background: #f72585;
            color: white;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
        }

        /* ====== 主内容区 ====== */
        .main-content {
            flex: 1;
            margin-left: 260px;
            padding: 20px;
        }

        /* 顶部栏 */
        .top-bar {
            background: white;
            border-radius: 10px;
            padding: 15px 25px;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .page-title h1 {
            font-size: 24px;
            color: #1e3c72;
            font-weight: 600;
        }

        .page-title p {
            color: #666;
            font-size: 14px;
            margin-top: 5px;
        }

        .top-actions {
            display: flex;
            gap: 15px;
        }

        .search-box {
            position: relative;
        }

        .search-box input {
            padding: 10px 15px 10px 40px;
            border: 1px solid #e1e5eb;
            border-radius: 8px;
            width: 200px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .search-box input:focus {
            outline: none;
            border-color: #4361ee;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
        }

        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
        }

        .notification-btn {
            background: white;
            border: 1px solid #e1e5eb;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
        }

        .notification-btn:hover {
            background: #f8f9fa;
        }

        .notification-badge {
            position: absolute;
            top: -5px;
            right: -5px;
            background: #f72585;
            color: white;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            font-size: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ====== 统计卡片 ====== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            transition: transform 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            font-size: 24px;
            color: white;
        }

        .stat-icon.order {
            background: linear-gradient(45deg, #4361ee, #3a0ca3);
        }

        .stat-icon.revenue {
            background: linear-gradient(45deg, #4cc9f0, #4895ef);
        }

        .stat-icon.upload {
            background: linear-gradient(45deg, #f72585, #b5179e);
        }

        .stat-icon.favorite {
            background: linear-gradient(45deg, #2ecc71, #27ae60);
        }

        .stat-icon.info {
            background: linear-gradient(45deg, #3a86ff, #00bbf9);
        }

        .stat-info h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 5px;
        }

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

        .stat-change {
            font-size: 12px;
            margin-top: 5px;
        }

        .stat-change.positive {
            color: #2ecc71;
        }

        .stat-change.negative {
            color: #e74c3c;
        }

        /* ====== 主要内容区 ====== */
        .content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 25px;
            margin-bottom: 30px;
        }

        /* 订单表格 */
        .content-card {
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }

        .card-header h2 {
            font-size: 18px;
            color: #333;
        }

        .card-header a {
            color: #4361ee;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .card-header a:hover {
            text-decoration: underline;
        }

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

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

        thead {
            background: #f8f9fa;
        }

        th {
            padding: 12px 15px;
            text-align: left;
            font-weight: 600;
            color: #555;
            font-size: 14px;
            border-bottom: 2px solid #eee;
        }

        td {
            padding: 15px;
            border-bottom: 1px solid #eee;
       
        }

        tbody tr:hover {
            background: #f8f9fa;
        }

        .status {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        .status.pending {
            background: #fff3cd;
            color: #856404;
        }

        .status.completed {
            background: #d4edda;
            color: #155724;
        }

        .status.processing {
            background: #cce5ff;
            color: #004085;
        }

        .btn-action {
            background: #f8f9fa;
            border: none;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-action:hover {
            background: #e9ecef;
        }

        /* 快捷操作 */
        .quick-actions {
            display: grid;
            gap: 15px;
        }

        .action-btn {
            background: white;
            border: 1px solid #e1e5eb;
            border-radius: 10px;
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            transition: all 0.3s;
            cursor: pointer;
        }

        .action-btn:hover {
            border-color: #4361ee;
            transform: translateX(5px);
        }

        .action-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: white;
        }

        .action-btn:nth-child(1) .action-icon {
            background: linear-gradient(45deg, #4361ee, #3a0ca3);
        }

        .action-btn:nth-child(2) .action-icon {
            background: linear-gradient(45deg, #f72585, #b5179e);
        }

        .action-btn:nth-child(3) .action-icon {
            background: linear-gradient(45deg, #4cc9f0, #4895ef);
        }

        .action-btn:nth-child(4) .action-icon {
            background: linear-gradient(45deg, #2ecc71, #27ae60);
        }

        .action-info h3 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .action-info p {
            font-size: 13px;
            color: #666;
        }

        /* ====== 页脚 ====== */
        .footer {
            text-align: center;
            padding: 20px;
            color: #666;
            font-size: 14px;
            border-top: 1px solid #eee;
            margin-top: 30px;
        }

        /* ====== 响应式设计 ====== */
        @media (max-width: 1200px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 992px) {
            .sidebar {
                width: 80px;
                padding: 20px 0;
            }
            
            .logo span, .user-details, .nav-section h4, .nav-item span:not(.badge) {
                display: none;
            }
            
            .main-content {
                margin-left: 80px;
            }
            
            .logo {
                justify-content: center;
            }
            
            .nav-item a {
                justify-content: center;
                padding: 15px;
            }
            
            .nav-item i {
                margin-right: 0;
                font-size: 18px;
            }
            
            .user-info {
                justify-content: center;
                padding: 15px 10px;
            }
            
            .search-box input {
                width: 200px;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
            
            .top-actions {
                width: 100%;
                justify-content: space-between;
            }
            
            .search-box input {
                width: 100%;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                width: 100%;
                height: auto;
                position: relative;
                padding: 15px;
            }
            
            .main-content {
                margin-left: 0;
            }
            
            .nav-menu {
                display: flex;
                flex-wrap: wrap;
                gap: 10px;
            }
            
            .nav-section {
                flex: 1;
                min-width: 200px;
            }
            
            .nav-item {
                margin-bottom: 5px;
            }
        }

        @media (max-width: 576px) {
            .content-card {
                padding: 15px;
            }
            
            .stat-card {
                flex-direction: column;
                text-align: center;
            }
            
            .stat-icon {
                margin-right: 0;
                margin-bottom: 15px;
            }
            
            .top-actions {
                flex-direction: column;
                gap: 10px;
            }
            
            .search-box {
                width: 100%;
            }
        }
  

        .btn-shadow {
            background-color: #10B981;
            color: white;
            border: none;
            padding: 5px 20px;
            font-size: 20px;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 0 #059669;
            position: relative;
            top: 0;
        }
        
        .btn-shadow:hover {
            background-color: #0DA271;
            top: -2px;
            box-shadow: 0 6px 0 #059669;
        }
        
        .btn-shadow:active {
            top: 2px;
            box-shadow: 0 2px 0 #059669;
        }