.banner_img {
    width: 100%;
    height: calc(100vh);
}

.banner {
    position: relative;
}

.product_item {
    display: flex;
    flex-direction: row;
    width: 100%;
    height: 516px;
    background: #F7F8F8;
}

.product_info {
    color: #002063;
    width: 50%;
    height: 100%;
}
.product_infotwo {
    width: 50%;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product_title {
    font-weight: bold;
    font-size: 30px;
}

.product_model {
    font-size: 30px;
    margin-top: 25px;
}

.product_button {
    margin-top: 40px;
    width: 150px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid #002063;
    text-align: center;
    line-height: 40px;
}
.product_button a{
    color: #002063;
    font-size: 18px;
    width: 100%;
    height: 100%;
    display: block;
}
.product_img {
    width: 50%;
    background-image: url('../images/productbg.png');
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-size: 100% 100%;
}
.new {
    width: 86%;
    margin: 0 auto;
    margin-top: 110px;
}
.newsexpress {
    font-weight: bold;
    font-size: 60px;
    color: #002063;
}
.fenge {
    width: 100px;
    height: 6px;
    margin-top: 20px;
    background: linear-gradient(to right, #002063 0%, #002063 70%, #4272D7 70%, #4272D7 100%);
}
.newtip {
    font-weight: 400;
    font-size: 25px;
    color: #595757;
    margin-top: 50px;
}
.newbottom {
    display:flex;
    justify-content:space-between;
    margin-top:50px;
}
.newlist {
    padding:10px 40px 30px;
    background: #F7F8F8;
    width:39%;
}
.newitem{
    padding:23px 0;
    border-bottom:1px solid #3E3A39;
}
.newtime {
    font-weight: 400;
    font-size: 22px;
    color: #595757;
}
.newtitle {
    font-weight: bold;
    font-size: 20px;
    color: #3E3A39;
    margin-top: 20px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
}
.newtitle a{
    color: #2E313A;
}
.newlist .newitem:nth-child(4) {
    border-bottom: none;
}
.more {
    width: 150px;
    height: 40px;
    border-radius: 18px;
    text-align: center;
    border: 1px solid #3E3A39;
    line-height: 40px;
    color: #2E313A;
    margin-top: 40px;
}
.more a{
    font-size:18px;
    color:#2E313A;
    width: 100%;
    height: 100%;
    display: block;
}
.newimg{
    width:100%;
    height:100%;
    position:relative;
}
.newimg img{
    width:100%;
    height:100%;
}
.newimgbottom {
    position: absolute;
    bottom: 0;
    background: #002063;
    width: 100%;
    opacity: 0.8;
}
.newimgtime {
    font-weight: 400;
    font-size: 22px;
    color: #FFFFFF;
    margin: 20px 0;
    padding: 0px 70px;
}
.newimgtitle {
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
    padding: 0px 70px;
    margin:20px 0;
}
.aboutus {
    width: 86%;
    margin: 0 auto;
    margin-top: 110px;
    margin-bottom: 90px;
}
.aboutusleft {
    font-size: 35px;
    color: #595757;
}
.aboutusleftblue {
    font-weight: bold;
    font-size: 70px;
    color: #002063;
}
.aboutright {
    width: 969px;
    height: 563px;
}
.aboutright video{
    width:100%;
    height:100%;
}
.aboutleft {
    display: flex;
    flex-direction: column;
    justify-content: end;
}
.banner::after {
    content: '';
    position: absolute;
    left: 0px;
    width: 100%;
    height: 20px;
    bottom: -1px;
    background-image: url(../images/img_02.png);
    background-position: right;
    background-repeat: no-repeat;
    background-size: auto 20px;
    z-index: 20;
}