/* Global Styles */
.site-layout-content {
    margin: 24px 16px;
    padding: 24px;
    background: #fff;
    min-height: 280px;
    overflow-y: auto;
}

.logo {
    height: 32px;
    margin: 16px;
    background: rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 16px;
    overflow: hidden;
    white-space: nowrap;
}

/* 模拟拖拽区 */
.drag-upload-area {
    border: 2px dashed #d9d9d9;
    border-radius: 6px;
    background-color: #fafafa;
    text-align: center;
    padding: 40px 0;
    cursor: pointer;
    transition: border-color 0.3s;
}
.drag-upload-area:hover {
    border-color: #1890ff;
}

/* 卡片增强 */
.stat-card {
    margin-bottom: 16px;
}

/* 审批流程图模拟 */
.approval-flow {
    display: flex;
    align-items: center;
    padding: 20px;
    background: #f5f5f5;
    border-radius: 4px;
    overflow-x: auto;
}
.flow-node {
    padding: 8px 16px;
    background: white;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    min-width: 100px;
    text-align: center;
}
.flow-arrow {
    margin: 0 16px;
    color: #999;
}