for_client/src/styles/other/first-item.scss

.hc-layout-box {
    display: flex;
    position: relative;
    height: 100%;
    .hc-layout-left-box {
        width: 382px;
        position: relative;
        background: #f1f5f8;
        border-radius: 10px;
        box-shadow: -2px 0 10px 0 rgba(32,37,50,0.03), 0 10px 21px 20px rgba(32,37,50,0.03);
        .horizontal-drag-line {
            position: absolute;
            right: 0;
            top: 0;
            width: 2px;
            height: 100%;
            user-select: none;
            cursor: col-resize;
            background-color: #00000000;
        }
        .hc-project-box {
            position: relative;
            padding: 15px 24px;
            display: flex;
            align-items: flex-start;
            border-bottom: 1px solid #E9E9E9;
            .hc-project-icon-box {
                font-size: 30px;
                color: var(--el-color-primary);
            }
            .project-name-box {
                flex: auto;
                position: relative;
                overflow: hidden;
                .project-alias {
                    color: var(--el-color-primary);
                }
                .project-name {
                    margin-top: 6px;
                    color: #838791;
                }
            }
        }
        .hc-tree-box {
            position: relative;
            padding: 15px 20px;
            height: calc(100% - 80px);
        }
    }
    .hc-layout-content-box {
        flex: 1;
        position: relative;
        margin-left: 24px;
    }
}

.hc-first-item-node-layout {
    .node-content {
        flex: 1;
        display: flex;
        position: relative;
        margin-bottom: 24px;
        height: calc(100% - 105px);
        .node-form {
            flex: 1;
            padding: 24px;
            margin-right: 24px;
            position: relative;
            background: #f1f5f8;
            border-radius: 10px;
            box-shadow: -2px 0px 10px 0px rgba(32,37,50,0.03), 0px 10px 21px 20px rgba(32,37,50,0.03);
        }
        .node-file {
            width: 440px;
            position: relative;
            padding: 24px 20px;
            background: #f1f5f8;
            border-radius: 10px;
            box-shadow: -2px 0px 10px 0px rgba(32,37,50,0.03), 0px 10px 21px 20px rgba(32,37,50,0.03);
            .title {
                position: relative;
                margin-bottom: 14px;
                font-size: 16px;
                font-weight: 500;
            }
            .node-upload-box {
                position: relative;
            }
            .hc-table-node-file-box {
                position: relative;
                height: calc(100% - 245px);
            }
        }
    }
    .node-action {
        position: relative;
        height: 80px;
        background: #f1f5f8;
        border-radius: 10px;
        display: flex;
        align-items: center;
        padding: 20px 24px;
        box-shadow: -2px 0px 10px 0 rgba(32,37,50,0.03), 0 -10px 21px 3px rgba(32,37,50,0.03);
        overflow: hidden;
    }
}