/* 现代统计区域样式 */
.stats-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border-radius: 20px !important;
    padding: 40px !important;
    margin: 40px 0 !important;
    box-shadow: 0 15px 45px rgba(102, 126, 234, 0.3) !important;
    animation: fadeIn 0.8s ease-out !important;
    position: relative !important;
    overflow: hidden !important;
}

/* 背景装饰 */
.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}

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

.stats-section h2, .section-title {
    font-size: 36px !important;
    font-weight: 700 !important;
    color: #fff !important;
    margin-bottom: 30px !important;
    padding-bottom: 20px !important;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2) !important;
    text-align: center !important;
    letter-spacing: 1px !important;
    position: relative !important;
    z-index: 1 !important;
}

/* 统计卡片网格 */
.stats-cards {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
    gap: 25px !important;
    margin-bottom: 40px !important;
    position: relative !important;
    z-index: 1 !important;
}

/* 统一的统计卡片样式 */
.stat-card, .stats-card {
    background: rgba(255, 255, 255, 0.98) !important;
    border-radius: 16px !important;
    padding: 25px !important;
    text-align: center !important;
    transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1) !important;
    position: relative !important;
    overflow: hidden !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1) !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    z-index: 1 !important;
}

.stat-card::before, .stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    z-index: 2;
}

.stat-card:hover, .stats-card:hover {
    transform: translateY(-8px) scale(1.02) !important;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2) !important;
    background: rgba(255, 255, 255, 1) !important;
}

/* 统计卡片图标 */
.stats-card-icon {
    width: 60px !important;
    height: 60px !important;
    margin: 0 auto 20px !important;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
    font-size: 0 !important;
    padding: 0 !important;
}

.stats-card-icon i {
    font-size: 28px !important;
    color: #ffffff !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 统计卡片内容 */
.stats-card-content {
    text-align: center !important;
    flex: none !important;
    width: 100% !important;
}

.stat-number, .stats-card-value {
    font-size: 42px !important;
    font-weight: 800 !important;
    margin-bottom: 10px !important;
    font-variant-numeric: tabular-nums !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    letter-spacing: -1px !important;
    line-height: 1.2 !important;
}

.stat-label, .stats-card-title {
    font-size: 16px !important;
    color: #666 !important;
    font-weight: 500 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    margin: 0 !important;
}

/* 图表容器样式 */
.stats-charts {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 30px !important;
    margin-top: 10px !important;
    position: relative !important;
    z-index: 1 !important;
}

.chart-container {
    background: rgba(255, 255, 255, 0.98) !important;
    border-radius: 16px !important;
    padding: 25px !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1) !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    overflow: hidden !important;
    min-height: 350px !important;
    display: flex !important;
    flex-direction: column !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    z-index: 1 !important;
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    z-index: 2;
}

.chart-container:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15) !important;
}

.chart-container h3, .chart-title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #333 !important;
    margin-bottom: 20px !important;
    text-align: center !important;
    position: relative !important;
    padding-bottom: 10px !important;
    border: none !important;
}

.chart-container h3::after, .chart-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 2px;
}

/* Chart.js 图表容器 */
#platformChart, #dailyChart {
    max-height: 280px !important;
    width: 100% !important;
    flex: 1 !important;
}

/* 图表加载状态 */
.chart-loading {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    height: 200px !important;
    color: #666 !important;
    animation: pulse 1.5s infinite !important;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .stats-section {
        padding: 25px 20px !important;
    }
    
    .stats-section h2, .section-title {
        font-size: 28px !important;
    }
    
    .stats-cards {
        gap: 20px !important;
    }
    
    .stats-charts {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
    }
    
    .chart-container {
        min-height: 300px !important;
    }
    
    #platformChart, #dailyChart {
        max-height: 240px !important;
    }
}