*{
    margin:0;
    padding:0;
}
html,body,div.index{
    height:100%;
}
/* body{
    overflow:hidden;
} */
.nav{
    position: fixed;
    z-index: 200;
    background-color: rgba(0, 0, 0, 0.5);
    width: 100vw;
    height: 70px;
    font-size: 18px;
}
.nav-menu{
    float: right;
}
.nav-nav{
    float: left;
}
.nav-nav li{
    float: left;
    width: 160px;
    height: 70px;
    line-height: 70px;
    text-align: center;
}
.nav-nav li a{
    display: inline-block;

}
.nav-nav li a div{
    width: 110px;
    height: 20px;
    overflow: hidden;
}
.nav-nav-item span{
    display: block;
    height: 24px;
    line-height: 24px;
}
.nav-nav-item span:first-child{
    color: #fff;
}
.nav-nav-item span:last-child{
    color: #3755D3;
    font-size: 20px;
    font-weight: 600;
}
.nav-nav-item{
    transition: all 0.5s ease;
    -moz-transition: all 0.5s ease; /* Firefox 4 */
    -webkit-transition: all 0.5s ease; /* Safari and Chrome */
    -o-transition: all 0.5s ease; /* Opera */
}
.nav-nav li:hover .nav-nav-item{
    margin-top: -24px;
}
.nav-nav li:nth-child(1) .nav-nav-item{
    margin-top: -24px;
}
.dropdown{
    display: none;
    background-color: rgba(0, 0, 0, 0.5);
    min-width: 180px;
}
.dropdown a{
    width: 180px;
    color: #fff;
    font-size: 16px;
}
.dropdown a:hover{
    background-color: rgba(255, 255, 255, 0.5);
    color: #3755D3;
    font-weight: 600;
}
.drop:hover .dropdown{
    display: block;
}
.part{
    position:relative; 
    height:100%;
}
.part1{
    background:url(../img/index/index.png) center top /cover;
}
.logo img{
    position: absolute;
    margin-top: 80px;
    margin-left: 10px;
    z-index: 1;
    width: 15vw;
}
.p1-content{
    position: absolute;
    width: 100%;
    height: 100px;
    margin-top: 75vh;
}
.p1-list{
    width: 50vw;
    height: 10vh;
    margin-left: 40vw;
    justify-content: space-between;
    display: flex;
    align-items: center;
    text-align: center;
}
.p1-list h1{
    color: rgb(6, 13, 255);
    font-size: 3vw;
    font-weight: 600;
}
.p1-list span{
    font-size: 1.2vw;
    color: #fff;
}

.justek{
    position: absolute;
    width: 50vw;
    margin-top: 88vh;
    margin-left: 40vw;
    text-align: center;
}
.justek h1{
    font-size: 2.7vw;
    font-weight: 600;
    color: #fff;
}
.part2{
    background: linear-gradient(to right,rgb(194, 200, 209),rgb(255, 255, 255));
}
.p2-content1{
    position: absolute;
    width: 90vw;
    height: 25vh;
    margin-top: 25vh;
    margin-left: 5vw;   
    justify-content: space-between;
    display: flex;
}
.p2-content2{
    position: absolute;
    width: 90vw;
    height: 25vh;
    margin-top: 50vh;
    margin-left: 5vw;   
    justify-content: space-between;
    display: flex;
}
.p2-list{
    width: 13vw;
    text-align: center;
}
.p2-text1{
    width: 100%;
    font-size: 1vw;
    display: block;
    color: rgb(0, 70, 167);
    font-weight: 600;
}
.p2-text2{
      width: 100%;
      font-size: 1vw;
      display: block;
      color: rgb(0, 70, 167);
      font-weight: 600;
}
.part3{
    background: linear-gradient(to right,rgb(194, 200, 209),rgb(255, 255, 255));
}
.part3 h1{
    position: absolute;
    font-size: 2.5vw;
    color: rgb(55, 85, 211);
    margin-top: 20vh;
    margin-left: 10vw;
}
.p3-content1{
    position: absolute;
    width: 80vw;
    height: 20vh;
    margin-top: 35vh;
    margin-left: 10vw;
    justify-content: space-between;
    display: flex;
}
.p3-content2{
    position: absolute;
    width: 80vw;
    height: 20vh;
    margin-top: 50vh;
    margin-left: 10vw;
    justify-content: space-between;
    display: flex;
}
.part3 img{
    width: 18vw;
    height: 10vh;
}
.part4{
    background: linear-gradient(to right,rgb(194, 200, 209),rgb(255, 255, 255));
    text-align: center;
}
.p4-title{
    position: absolute;
    margin-top: 15vh;
    margin-left: 10vw;
}
.p4-title h1{
    font-size: 2.5vw;
    color: rgb(55, 85, 211);
}
.part4 img{
    width: 35vw;
    margin-top: 10vh;
}
.p4-content{
    position: absolute;
    width: 80vw;
    height: 10vh;
    margin-left: 10vw;
}
.p4-list{
    width: 80vw;
    height: 10vh;
    position: absolute;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    display: flex;
    font-size: 1vw;
}
.p5-top{
    width: 100vw;
    height: 70vh;
    background:url(../img/index/contact-1.jpg) center top /cover;
}
.p5-left{
    position: absolute;
    width: 28vw;
    height: 70vh;
    margin-left: 10vw;
    align-items: center;
    display: flex;
}
.p5-content h1{
    font-size: 2.5vw;
    margin: 5vh 0;
    color: rgb(55, 85, 211);
}
.p5-content p{
    font-size: 1vw;
    margin: 2vh 0;
}
.content{
    align-items: center;
    display: flex;

}
.content img{
  position: absolute;
  width: 3vw;
}
.content p{
    margin-left: 3vw;
}
.p5-right{
    width: 60vw;
    height: 70vh;
    margin-left: 40vw;
}
.p5-right img{
    width: 60vw;
    height: 70vh;
}
.p5-bottom{
    width: 100vw;
    height: 30vh;
}
.p5-list{
    width: 80vw;
    height: 30vh;
    margin-left: 10vw;
    justify-content: space-between;
    display: flex;
    align-items: center;
    text-align: center;
}
.p5-list h1{
    color: rgb(55, 85, 211);
    font-size: 3vw;
    font-weight: 600;
    margin-top: 10vh;
}
.p5-list span{
    font-size: 1.2vw;
}
.p5-text{
    /* width: 15vw; */
    height: 30vh;
}
.Scroll{
    width: 17px;
    height: 155px;
    position: fixed;
    left: 30px;
    top: 50%;
    margin-top: -77px;
}
.Scroll li{
    list-style: none;
    width: 12px;
    height: 12px;
    border: 1px solid #fff;
    border-radius: 8px;
    margin-top: 5px;
}
.Scroll li.on{
    background-color: #FFFFFF;
}