body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f0f2f5;
}

#app {
    min-height: 100vh;
}

.el-header {
    background-color: #409EFF;
    color: white;
    line-height: 60px;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

.el-main {
    padding: 20px;
}

.box-card {
    margin-bottom: 20px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.positive {
    color: #F56C6C;
    font-weight: bold;
}

.negative {
    color: #67C23A;
    font-weight: bold;
}

.update-time {
    font-size: 14px;
    font-weight: normal;
}

h2 {
    margin: 0;
}

h3 {
    margin: 15px 0;
    color: #606266;
    font-size: 16px;
}

.el-table {
    margin-bottom: 20px;
    border-radius: 4px;
}

.el-table th {
    background-color: #f5f7fa;
    color: #606266;
    font-weight: bold;
}

.alert-container {
    width: 100%;
    z-index: 2000;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.alert-badge {
    margin-top: -2px;
    margin-left: 8px;
}

.el-alert {
    margin-bottom: 8px;
}

.el-alert:last-child {
    margin-bottom: 0;
}

.el-dialog__body {
    padding: 20px;
}