/* 校内学习数据：源页面样式及局部适配 */
#campus_statistics, #campus_statistics * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
#campus_statistics {
            font-family: "AlibabaPuHuiTi-3-55-Regular", "PingFang SC", "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: #f5f7fa;
            padding: 20px;
        }
#campus_statistics .container {
            max-width: 1400px;
            margin: 0 auto;
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.1);
        }
#campus_statistics h1 {
            font-size: 28px;
            color: #333;
            margin-bottom: 30px;
            text-align: center;
        }
#campus_statistics .statistics-top-cards {
            display: flex;
            gap: 20px;
            margin-bottom: 40px;
        }
#campus_statistics .stat-card {
            flex: 1;
            min-width: 180px;
            background: #f8f9fa;
            border-radius: 12px;
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
#campus_statistics .stat-card-content {
            flex: 1;
        }
#campus_statistics .stat-card-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #666;
            margin-bottom: 10px;
        }
#campus_statistics .stat-card-label i {
            width: 16px;
            height: 16px;
            background: #4A90E2;
            border-radius: 50%;
        }
#campus_statistics .stat-card-value {
            font-size: 28px;
            font-weight: bold;
            color: #333;
        }
#campus_statistics .stat-card-value .unit {
            font-size: 14px;
            margin-left: 4px;
        }
#campus_statistics .stat-card-details {
            display: flex;
            gap: 15px;
            margin-top: 6px;
            font-size: 12px;
            color: #999;
        }
#campus_statistics .stat-card-icon {
            width: 50px;
            height: 50px;
            margin-left: 10px;
        }
#campus_statistics .stat-card-icon img {
            width: 100%;
            height: 100%;
        }
#campus_statistics .section-title {
            font-size: 22px;
            font-weight: bold;
            color: #333;
            margin: 40px 0 20px 0;
            padding-bottom: 12px;
            border-bottom: 3px solid #4A90E2;
        }
#campus_statistics .three-column-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
#campus_statistics .info-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
#campus_statistics .info-card-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
        }
#campus_statistics .info-card-header i {
            width: 20px;
            height: 20px;
            border-radius: 50%;
        }
#campus_statistics .info-card-title {
            font-size: 16px;
            font-weight: bold;
            color: #333;
        }
#campus_statistics .info-card-stats {
            display: flex;
            justify-content: space-around;
            margin-bottom: 24px;
            gap: 10px;
        }
#campus_statistics .info-stat-item {
            text-align: center;
            flex: 1;
        }
#campus_statistics .info-stat-label {
            font-size: 13px;
            color: #999;
            margin-bottom: 8px;
        }
#campus_statistics .info-stat-value {
            font-size: 24px;
            font-weight: bold;
            color: #333;
        }
#campus_statistics .info-stat-value .unit {
            font-size: 14px;
        }
#campus_statistics .chart-container {
            width: 100%;
            height: 300px;
        }
#campus_statistics .teaching-operation {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
#campus_statistics .teaching-operation-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
        }
#campus_statistics .teaching-operation-title {
            font-size: 18px;
            font-weight: bold;
            color: #333;
        }
#campus_statistics .teaching-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
#campus_statistics .teaching-item {
            border-radius: 12px;
            padding: 20px;
            color: #fff;
            text-align: center;
        }
#campus_statistics .teaching-item.is-teal-blue {
            background: linear-gradient(135deg, #5ed6b3 0%, #2f6fd6 100%);
        }
#campus_statistics .teaching-item-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
#campus_statistics .teaching-item-label {
            font-size: 13px;
            margin-bottom: 8px;
            opacity: 0.9;
        }
#campus_statistics .teaching-item-value {
            font-size: 28px;
            font-weight: bold;
        }
#campus_statistics .teaching-item-value .unit {
            font-size: 14px;
        }


        @media (max-width: 1400px) {
#campus_statistics .teaching-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 1200px) {
#campus_statistics .three-column-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
#campus_statistics .teaching-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
#campus_statistics .three-column-cards {
                grid-template-columns: 1fr;
            }
#campus_statistics .statistics-top-cards {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 576px) {
#campus_statistics .teaching-grid {
                grid-template-columns: 1fr;
            }
        }

/* Adapt the approved page to the existing tab width and inherited page styles. */
#campus_statistics {
    margin: 0 1.2rem;
    line-height: normal;
    color: #333;
}
#campus_statistics .container {
    width: 100%;
}
#campus_statistics .campus-group-status {
    padding: 6px 0;
    color: #999;
    font-size: 12px;
}
#campus_statistics .campus-group-status.error {
    color: #e74c3c;
}
#campus_statistics .stat-card-content,
#campus_statistics .info-card,
#campus_statistics .info-stat-item,
#campus_statistics .teaching-item {
    min-width: 0;
}
#campus_statistics .stat-card-icon {
    flex-shrink: 0;
}
#campus_statistics .statistics-top-cards {
    flex-wrap: wrap;
}
#campus_statistics .stat-card-details {
    flex-wrap: wrap;
    row-gap: 4px;
}
#campus_statistics .three-column-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 1200px) {
    #campus_statistics .three-column-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 768px) {
    #campus_statistics .three-column-cards {
        grid-template-columns: minmax(0, 1fr);
    }
    #campus_statistics {
        margin: 0 1.2rem;
        padding: 12px;
    }
    #campus_statistics .container {
        padding: 20px;
    }
}
@media (max-width: 576px) {
    #campus_statistics .stat-card {
        flex-basis: 100%;
        min-width: 0;
    }
    #campus_statistics .info-card,
    #campus_statistics .teaching-operation {
        padding: 16px;
    }
    #campus_statistics .info-card-stats {
        flex-wrap: wrap;
    }
}