/* 弹框：选择课程 */

.popup-chooseCourse {
    width: 544px;
    height: 399px;
    background: #26294D;
    border-radius: 4px;
    border: 2px solid #3377FF;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    z-index: 32
}

.popup-chooseCourse h2.tit {
    color: rgba(255, 255, 255, 1);
    font-size: 18px;
    font-weight: 700;
    font-family: "PingFang SC";
    text-align: left;
    line-height: 18px;
    height: 56px;
    border-radius: 4px 4px 0 0;
    background: rgba(64, 68, 128, 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px 0 24px
}

.popup-chooseCourse h2.tit .close {
    width: 40px;
    height: 40px;
    background: url(../images/icon_close.png) 0 no-repeat;
    background-size: cover
}

.popup-chooseCourse h2.tit .close:hover {
    background: url(../images/icon-close_cur.png) 0 no-repeat;
    background-size: cover
}

.popup-chooseCourse .course-items {
    max-height: 330px;
    margin: 12px 8px 0 0;
    padding: 20px 0 0;
    overflow-y: auto;
    box-sizing: border-box
}

.popup-chooseCourse .course-items .list {
    width: 384px;
    height: 120px;
    border-radius: 7px;
    border: 2px solid #3377FF;
    background: rgba(64, 68, 128, 1);
    margin: 0 auto 24px;
    padding: 20px;
    display: flex;
    justify-content: flex-start;
    box-sizing: border-box;
    cursor: pointer
}

.popup-chooseCourse .course-items .list:hover {
    border: 2px solid #33BBFF;
    box-shadow: 0 0 20px 0 rgba(121, 126, 255, 0.5)
}

.popup-chooseCourse .course-items .list-desc {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start
}

.popup-chooseCourse .course-items .list-pic {
    width: 80px;
    height: 80px;
    overflow: hidden;
    background-color: #333666;
    text-align: center;
    margin-right: 20px
}

.popup-chooseCourse .course-items .list-pic img {
    max-width: 80px
}

.popup-chooseCourse .course-items .list .name {
    max-width: 244px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgba(255, 255, 255, 1);
    font-size: 16px;
    font-weight: 400;
    font-family: "PingFang SC"
}

.popup-chooseCourse .course-items .list .link-study {
    color: rgba(51, 187, 255, 1);
    font-size: 14px;
    font-weight: 400;
    font-family: "PingFang SC";
    background: url(../images/icon-right.png) right center no-repeat;
    background-size: 20px;
    padding-right: 24px
}

.popup-chooseCourse .course-items::-webkit-scrollbar {
    width: 4px
}

.popup-chooseCourse .course-items::-webkit-scrollbar-thumb {
    width: 4px;
    background: rgba(179, 191, 255, 0.2);
    border-radius: 2px
}

.mask {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 31;
    background: rgba(0, 0, 0, 0.6);
    display: none;
}