infos {
    width: 931px;
}
.infos .infos_header {
    width: 100%;
    height: 116px;
    background: #ffffff;
}
.infos .infos_header li {
    /*width: 25%;*/
    /*height: 100%;*/
    overflow: hidden;
}
.infos .infos_header li .num {
    text-align: center;
    font-size: 30px;
    margin-top: 29px;
    color: #FF3A4B;
}
.infos .infos_header li:nth-child(2) .num{
    color: #FF8D3A;
}
.infos .infos_header li:nth-child(3) .num{
    color: #EA9EFA;
}
.infos .infos_header li:nth-child(4) .num{
    color: #3AB3FF;
}
.infos .infos_header li .num  span {
    color: #999999;
    font-size: 12px;
}
.infos .infos_header li .text {
    margin-top: 10px;
    color: #666666;
    font-size: 12px;
    text-align: center;
}
/*学习说明*/
.stady {
    width: 100%;
    background: #ffffff;
    margin-top: 20px;
    padding: 30px;
    box-sizing: border-box;
    margin-bottom: 52px;
}
.stady .stady_title {
    margin-bottom: 20px;
}
.stady .stady_title .stady_style {
    width: 4px;
    height: 18px;
    background: #a90614;
    margin-right: 11px;
    margin-top: 2px;
}
.stady .stady_title .stady_text {
    color: #333333;
    font-weight: bold;
    font-size: 16px;
}
.stady .stady_content  {
    font-size: 14px;
    line-height: 24px;
    color: #333333;
    margin-bottom: 46px;
}

/*学习中的课程*/
.course_style {
    margin: 0!important;
}
.course {
    margin-top: 20px;
}
.course li {
    padding: 20px 0;
    box-sizing: border-box;
    border-bottom: 1px solid #e8e8e8;
}
.course li:last-child {
    border: none;
}
.course li:hover {
    background: #eff2f7;
}
.course li .course_info .title:hover {
    color: #a90614;
}
.course li .course_img {
    width: 169px;
    height: 96px;
}
.course li .course_img img {
    width: 100%;
    height: 100%;
    cursor: pointer;
}
.course li .course_info {
    margin-left: 10px;
}
.course li .course_info .title {
    font-size: 18px;
    color: #333333;
    margin-bottom: 15px;
    cursor: pointer;
    width: 404px;
}
.course li .course_info .category  {
    font-size: 14px;
    color: #666666;
}
.course li .course_info .timer {
    margin-top: 13px;
}
.course li .course_info .timer span {
    color: #666666;
    font-size: 14px;
}
.course li .course_info .timer .label {
    margin-left: 69px;
}
.course li  .course_btns .start{
    width: 170px;
    height: 40px;
    background: #a90614;
    border-radius: 4px;
    line-height: 40px;
    font-size: 16px;
    text-align: center;
    color: #FFFEFE;
    cursor: pointer;
    opacity: 1;
    margin-right: 20px;
}
.course li  .course_btns .start:hover {
    opacity: .8;
}
/*已完成*/
.course li  .course_btns .end {
    background: #b8b8b8;
    cursor: default;
    width: 170px;
    height: 40px;
    border-radius: 4px;
    line-height: 40px;
    font-size: 16px;
    text-align: center;
    color: #FFFEFE;
    opacity: 1;
}
.course li  .course_btns .prog {
    margin-top: 15px;
}
.course li  .course_btns .prog .progress {
    position: relative;
    width: 136px;
    height: 8px;
    background: #cdecff;
    border-radius: 4px;
    margin-top: 6px;
}
.course li  .course_btns .prog .progress .progess_position {
    position: absolute;
    top: 0;
    left: 0;
    width: 20%;
    height: 8px;
    background: #3ab3ff;
    border-radius: 4px;

}
.course li  .course_btns .prog .progress_text {
    font-size: 12px;
    color: #3ab3ff;
}
.course li  .course_btns .prog_end .progress .progess_position {
    width: 100%;
    background: #FF5F6B;
}
.course li  .course_btns .prog_end .progress_text {
    color: #FF5F6B;
}