.sec1{
    width: 100%;
    background-size: cover;
}
.sec1 .img{
    width: 100%;
    overflow: hidden;
}
.sec1 img{
    width: 100%;
    transition: 3s;
    transform: scale(1.1);
}
.sec1 .nav{
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%,50%);

    width: 1200px;
    height: 110px;
    background: #FFFFFF;
    box-shadow: 0px 10px 33px 7px rgba(0, 0, 0, 0.09);
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    z-index: 99999999;
}
.sec1 .nav .left{
    margin-left: 39px;
    width: 130px;
    border-right: 1px solid rgba(198, 198, 198, .22);
}
.sec1 .nav .right{
    /*margin-right: 61px;*/
    display: flex;
    width: 860px;
    justify-content: center;
    padding-right: 170px;
}
.sec1 .nav .right a{
    display: block;
    margin-left: 80px;
    display: block;
    cursor: pointer;
    transition: 0.6s;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
}
.sec1 .nav .right a.sel{
    color: #EA5404;
}
.sec1 .nav .right a:hover{
    color: #EA5404;
}
.sec1 .nav a{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
    transition: 0.6s;

}
.sec1 .nav a:hover,.sec1 .nav a:hover i{
    color: #EA5404;
}
.sec1 .nav a i{
    font-size: 24px;
    margin-right: 20px;
    transition: 0.6s;
}

.sec2{
    background-image: url(../images/help1.jpg);
    overflow: scroll;
    background-size: cover;
}
.sec2-warp{
    width: 1440px;
    margin:130px auto 55px;
    max-height: 800px;
    /*overflow: hidden;*/
    /*overflow-y: scroll;*/
}
.sec2-warp .item{
    display: flex;
}
.sec2-warp .item .text{
    width: 743px;
    /*height: 80px;*/
    background: rgba(201, 201, 201, 0.32);
    box-shadow: -12px 1px 20px 1px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    margin-top: 77px;
    margin-left: 40px;
    line-height: 26px;
    padding: 26px 50px 26px 50px;
}
.sec2-warp .item .text p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #232323;
    /*text-indent: 55px;*/
}
.sec2-warp .item.kefu{
    justify-content: flex-end;
    margin-top: 71px;

}
.sec2-warp .item.kefu .text{
    margin-bottom: 66px;
    margin-right: 50px;
    margin-top: 0px;
    padding: 26px 50px 26px 50px;
}
@media screen and (max-width: 1800px){
    .sec2-warp {
        width: 90%;
    }
}
@media screen and (max-width: 768px){
    .sec1 {
        margin-top: 80px;
    }
    .sec1 .nav {
        width: 90%;
        height: auto;
    }
    .sec1 .nav .right {
        margin: 0;
        padding: 0;
    }
    .sec1 .nav .right a {
        font-size: 14px;
        margin: 0;
        width: 30%;
    }
    .sec1 .nav a {
        font-size: 14px;
    }
    .sec1 .nav .left {
        margin: 10px 0 10px 39px;
    }
    .sec2-warp .item .text p {
        font-size: 14px;
    }
    .sec2-warp .item .text {
        padding: 20px;
        margin-top: 0;
    }
    .sec2-warp .item.kefu .text {
        padding: 20px;
        margin-right: 20px;
    }
    .sec2-warp .img {
        width: 100px;
    }
    .sec2-warp .img img {
        width: 100%;
    }
    .sec1 img {
        width: 200%;
    }
    section.sec1 .span1 {
        margin-top: 70px;
    }
    section.sec1 .span {
        top: 35%;
    }
}