.ant-collapse {
    border: 1px solid #EBECF0;
    border-radius: 0;
    .ant-collapse-header {
        font-size: 14px;
        font-weight: 500;
    }
    .ant-collapse-item {
        border-bottom: 1px solid @black_readonly;
        .ant-collapse-header {
            align-items: center;
            padding: 0 16px;
            box-sizing: border-box;
            height: 40px;
            line-height: 40px;
            font-size: 14px;
            background-color: #FFF;
            color: @black_title;
            .ant-collapse-arrow {
                margin-right: 16px;
                font-size: 16px;
                vertical-align: -4px;
            }
        }
        .ant-collapse-content {
            border-top: 1px solid @black_readonly;
            background-color: @black_navBg;
            min-height: 40px;
            box-sizing: border-box;
            line-height: 20px;
            .ant-collapse-content-box {
                padding: 0 16px;
                min-height: 40px;
                display: table;
                width: 100%;
                p {
                    padding: 10px 0;
                    margin: 0;
                }
                & > .ant-collapse {
                    margin-left: 24px;
                    border: none;
                    border-left: 1px solid @black_readonly;
                    background-color: @black_navBg;
                    .ant-collapse-header {
                        background-color: @black_navBg;
                        border-bottom: none;
                    }
                    .ant-collapse-item {
                        .ant-collapse-content {
                            background-color: #FFF;
                            border-bottom: 0;
                        }
                    }
                }
            }
        }
    }
}

.ant-collapse-ghost {
    border-color: transparent;
    .ant-collapse-item {
        border-color: transparent;
        .ant-collapse-content {
            border-color: transparent;
            background-color: transparent;
            .ant-collapse-content-box {
                & > .ant-collapse {
                    border-color: transparent;
                    background-color: transparent;
                    .ant-collapse-header {
                        background-color: transparent;
                    }
                }
            }
        }
    }
}

.ant-collapse > .ant-collapse-item:last-child, .ant-collapse > .ant-collapse-item:last-child > .ant-collapse-header {
    border-radius: 0;
    border-bottom: 0;
}