.banner{
    width: 100%;
    height: 400px;
    background-image: url("../img/onebanner.jpg");
    background-size: cover;
    text-align: center;
    color: #fff;
    overflow: hidden;
}
.banner h2{
    margin-top: 160px;
    font-size: 32px;
    margin-bottom: 40px;
}
.banner p{
    margin-top: 10px;
    font-size: 20px;
}
.title{
    text-align: center;
    font-size: 30px;
    font-weight: 400;
}
.part1{
    overflow: hidden;
}
.part1 h2 {
    margin-top: 60px;
    margin-bottom: 40px;
}
.part1 p{
    text-align: center;
    font-size: 16px;
    margin-top: 10px;
}
.p1{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}
.p1-l img{
    height: 358px;
}
.p1-r{
    width: 660px;
    height: 358px ;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.p1 .p1-r p{
    text-align: left;
}
.part2{
    overflow: hidden;
    margin-top: 20px;
}
.part2 h2 {
    margin-top: 60px;
}
.part2 p{
    text-align: center;
    font-size: 16px;
    margin-top: 40px;
}
.p2-img{
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}
.part3 {
    height: 700px;
    background-color: #f2f2f2;
    overflow: hidden;
}
.part3 h2 {
    margin-top: 40px;
}
.p3-item{
    width: 650px;
    display: flex;
    justify-content: space-between;
    height: 340px;
    margin-top: 60px;
}
.p3-box{
    width: 200px;
    background-color: #fff;
    height: 340px;
}
.p3-list{
    display: flex;
    justify-content: center;
}
.p3-list img{
    width: 1000px;
    margin-top: 80px;

}
.part4 {
    overflow: hidden;
    width: 100%;
    height: 240px;
    background-color: #086f9a;
}
.p4-list{
    width: 800px;
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
}
.part4 h2 {
    color: #fff;
    margin-top: 40px;
}
.p4-list a{
    color: #fff;
    font-size: 16px;
    padding: 12px 20px;
    border: 1px solid #fff;
    border-radius: 8px;
}
.tabs-ul{
    width: 800px;
    margin: 40px auto;
    display: flex;
    justify-content: space-around;
    font-size: 18px;
}
.tab h2 {
    margin-top: 40px;
}
.active{
    color: #eb7350;
}
.tab-list {
    width: 1000px;
    margin: 0 auto 40px;
}
.item-img img {
    width: 1000px;
}
.item-p {
    font-size: 22px;
    text-align: center;
}
.item-p2{
    margin-top: 14px;
}