.chapterLevel1, .chapterChild {
    display: flex;
    justify-content: end;
    align-items: center;
}

.chapterLevel1 {
    height: 55px;
    background: rgba(244, 249, 255, 0.5);
    border-radius: 4px 4px 4px 4px;
    margin-bottom: 8px;
}

.chapterChilds {
    margin-left: 35px;
}

.chapterChilds.hidden {
    display: none;
}

.chapterChild {
    height: 76px;
}

.chapterLevel1 .icon, .chapterChild .icon {
    width: 19px;
    height: 19px;
    background-size: cover;
    cursor: pointer;
    margin-right: auto;
    margin-left: 16px;
}

.chapterLevel1 .icon {
    margin-left: 16px;
}

.chapterLevel1 .icon.fold, .chapterChild .icon.fold {
    background-image: url("../../images/tiku/fold.png");
}

.chapterLevel1 .icon.expand, .chapterChild .icon.expand {
    background-image: url("../../images/tiku/expand.png");
}

.chapterLevel1 .title, .chapterChild .title {
    /*width: 460px;*/
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: 16px;
    color: #1D2035;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    text-align: left;
    margin-left: 16px;
    margin-right: 30px;
}

.chapterChild .title2 {
    margin-left: -19px;
}

.chapterLevel1 .nums, .chapterChild .nums {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 14px;
    color: #1D2035;
    opacity: 0.5;
    width: 90px;
    text-align: left;
    margin-right: 48px;
}

.startBtnNone {
    width: 100px;
    height: 36px;
}

.modal_content {
    margin: 100px auto 0;
    width: 632px;
    background: #FFFFFF;
    padding-bottom: 40px;
}

.modal_content .top {
    position: relative;
}

.modal_content .top .title {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: 20px;
    color: #1D2035;
    padding: 24px 280px 24px 272px;
}

.modal_content .top .close {
    position: absolute;
    width: 10px;
    height: 10px;
    top: 23px;
    right: 23px;
    background-image: url("../../../style1/base/images/close.png");
    background-size: cover;
    cursor: pointer;
}

.modal_content .types {
    margin: 24px 46px 0 46px;
    display: flex;
}

.modal_content .types .title {
    width: 70px;
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 14px;
    color: rgba(29, 32, 53, 0.8);
    text-align: right;
    line-height: 40px;
    margin-right: 32px;
}

.modal_content .types .items {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    width: 435px;
}

.modal_content .types .items .item {
    min-width: 116px;
    height: 36px;
    text-align: center;
    line-height: 36px;
    border: 1px solid rgba(29, 32, 53, 0.3);
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 14px;
    color: #1D2035;
    cursor: pointer;
}

.modal_content .types .items .item.active, .modal_content .types .items .item:hover {
    background-color: #EFF8FF;
    border: 1px solid #48A0FF;
    color: #48A0FF;
}

.modal_content .submitBtn {
    width: 152px;
    height: 42px;
    text-align: center;
    line-height: 42px;
    background: #48A0FF;
    box-shadow: 0px 4px 10px 0px rgba(72,160,255,0.3);
    border-radius: 0px 0px 0px 0px;
    cursor: pointer;
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    margin: 48px auto 0px;
}