@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        
        .card {
            transition: all 0.3s ease;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            border-radius: 16px;
            overflow: hidden;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 12px;
            margin-top: 16px;
        }
        
        .stat-item {
            background: rgba(255, 255, 255, 0.7);
            padding: 12px;
            border-radius: 12px;
            text-align: center;
            backdrop-filter: blur(10px);
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .floating {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }
        
        .time-selector {
            /*background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);*/
            background-color: white; /* 修改背景色 */
            border-radius: 16px;
            padding: 20px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(10px);
        }
        
        .select-custom {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            border: 1px solid #cbd5e1;
            border-radius: 12px;
            padding: 10px 16px;
            font-weight: 500;
            color: #334155;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        
        .select-custom:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }
        
        .select-custom:hover {
            border-color: "94a3b8";
        }
        
        .time-label {
            color: #475569;
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
        }
        
        .time-container {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        /* 年份和月份选择器样式 */
        .year-selector, .month-selector {
            padding: 10px;
            background-color: #f8fafc;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        
        .year-btn, .month-btn {
            transition: all 0.3s ease;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        }
        
        .year-btn:hover, .month-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        .year-btn.active, .month-btn.active {
            transform: scale(1.05);
            box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
        }
        
        /* 紧凑型时间选择器样式 */
        .compact-time-selector {
            background-color: #f8fafc;
            border-radius: 12px;
            padding: 16px;
            border: 1px solid #e2e8f0;
        }
        
        /* 数据切换动画 */
        .data-content {
            transition: all 0.5s ease-in-out;
        }
        
        .data-content.fade-out {
            opacity: 0;
            transform: translateX(-20px);
        }
        
        .data-content.fade-in {
            opacity: 1;
            transform: translateX(0);
        }
        
        /* 加载动画 */
        .loading-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 100;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        
        .loading-overlay.active {
            opacity: 1;
            pointer-events: all;
        }
        
        .spinner {
            width: 40px;
            height: 40px;
            border: 4px solid rgba(59, 130, 246, 0.3);
            border-top: 4px solid #3b82f6;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        @media (max-width: 640px) {
            .time-container {
                flex-direction: column;
                align-items: stretch;
            }
            
            .compact-time-selector {
                flex-direction: column;
                align-items: stretch;
            }
            
            .compact-time-selector .pb-1 {
                align-self: flex-end;
            }
        }