.about {
    width: 100%;
    background: url(../image/gongsi.jpg) no-repeat;
    background-size: 100% 100%;
}
.about-1 {
    width: 100%;
    height: 100%;
    background-color: rgba(57, 55, 54, .6);
}
.about-2 {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    /* text-align: center; */
    color: #fff;
    padding-top: 120px;
}
.about-3 {
    width: 1200px;
    height: 140px;
    margin-top: 180px;
    display: flex;
    display: -webkit-flex; /* Safari */
    flex-direction: row;
    justify-content: center;
}
.about-3 >div {
    width: 240px;
    height: 100px;
    text-align: center;
    background-color: rgba(70, 130, 180, .5);
    border-radius: 10px;
    padding-top: 17px;
}
.about-4 {
    /* width: 640px; */
    margin: 0 auto;
    font-size: 18px;
    text-align: center;
}
.glory {
    width: 1200px;
    margin: 0 auto;
    padding-top: 120px;
    text-align: center;
}
h3 {
    font-size: 25px;
    font-weight: 400;
}
.glory-1>img {
    width: 200px;
    height: 135px;
    margin-bottom: 5px;
}
.glory-2>img {
    width: 200px;
    height: 300px;
    margin-right: 5px;
}
.course {
    width: 100%;
    height: 650px;
    background: url(../image/pexels-flo-maderebner-869258.jpg) no-repeat;
    background-size: 100% 100%;
    margin-top: 50px;
}
.course-1 {
    width: 100%;
    height: 100%;
    position: relative;
    background-color: rgba(57, 55, 54, .9);
    overflow: hidden;
}
.email {
    margin-top: 100px;
    margin-bottom: 20px;
}
.email-1 {
    width: 1200px;
    margin: 0 auto;
}
.email-2 {
    margin: 0 auto;
    text-align: center;
    margin-top: 80px;
    color: #696969;
    font-size: 14px;
    margin-bottom: 30px;
}
.email-map {
    text-align: center;
    color: #696969;
    font-size: 14px;
}
.email-map>a>img {
    width: 100%;
    height: 330px;
}
.content-1{
    text-align: center;
}
.dh3 {
    text-align: center;
    padding-top: 20px;
    font-weight: 600;
    color: #fff;
    font-size: 32px;
}
.course-2 {
    width: 1200px;
    height: 425px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    overflow: hidden;
    /* border: 1px solid #fff; */
}
.course-2>ul {
    width: calc(1200px*5);
    /* border: 1px solid #fff; */


}
.course-2>ul>li {
    list-style: none;
    float: left;
    width: 1200px;
    height: 425px;
    /* text-align: center; */
    /* border: 1px solid red; */
}
.shij {
    font-size: 50px;
    color: #fff;
}
.course-3 {
    width: 750px;
    margin: 0 auto;
    position: absolute;
    bottom: 60px;
    left: 52%;
    transform: translate(-50%);

}
.course-3>div {
    width: 150px;
    font-size: 22px;
    color: rgba(255, 255, 255, .4);
    font-weight: 400;
    float: left;
    cursor: pointer;
}
.scroll_number_over {
    color: #fff !important;
}

.main {
    height: 300px;
    margin-top: 25px;
    position: relative;
}
.content {
    font-size: 16px;
    color: rgba(255,255,255,1);
    line-height: 22px;
    margin-top: 20px;
    width: 490px;
    position: relative;
    left: 45%;
}
.event {
    padding-bottom: 35px;
    position: relative;
    padding-left: 20px;
}
.events {
    padding-bottom: 35px;
    position: relative;
    padding-left: 20px;
}
.month {
    font-size: 20px;
    font-weight: bolder;
    color: #fff;
    line-height: 28px;
    margin-right: 10px;
    position: absolute;
    left: -60px;
    top: -5px;
}
.line {
    width: 7px;
    height: 7px;
    background-color: #fff;
    border-radius: 100%;
    display: inline-block;
    margin-right: 16px;
    position: absolute;
    top: 6px;
    left: -4px;
}
.events::after{
    content: "";
    position: absolute;
    top: 11px;
    left: -1px;
    bottom: -11px;
    width: 1px;
    background-color: #fff;
    text-align: right;
}