.contactUsnav{
    width: 100%;
    height: 4.5rem;
}
a{
    color: #ffffff;
}
a:hover{
    color: #ffffff;
}
.contactUsnav img{
    display: block;
    width: 100%;
    height: 100%;
}
.content{
    width: 100%;
    min-height: 800px;
    background-image: url(../image/goodsBg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    padding-bottom: 150px;
}
.introduce{
    min-height: 4rem;
    background-image: url(../image/introduce.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    position: relative;
    margin-top: -30px;
}
.introduce_a{
    width:87px;
    font-size:16px;
    font-weight:400;
    color:rgba(38,38,38,1);
    line-height:40px;
    border-bottom: 2px solid #B20404;
    position: absolute;
    top: 20px;
    left: 30px;
}
.introduce_b{
    position: absolute;
    top: 20px;
    right: 40px;
    text-align: center;
}
.introduce_b h4{
    width:210px;
    font-size:15px;
    font-weight:400;
    color:rgba(38,38,38,1);
    line-height:40px;
    border-bottom: 2px solid #B20404;
}
.introduce_b p{
    font-size:12px;
    font-weight:400;
    color:rgba(38,38,38,1);
}
.introduce_c{
    position: absolute;
    left: 30px;
    bottom: 30px;
    width:30px;
    height:2px;
    background:rgba(178,4,4,1);
}
.introduce_d{
    position: absolute;
    right: 40px;
    bottom: 30px;
    width:24px;
    height:24px;
    border-bottom:1px solid rgba(227,6,6,1);
    border-right:1px solid rgba(227,6,6,1);
}
.introduce_e{
    width: 80%;
    margin: 0 auto;
    text-align: center;
}
.introduce_e img{
    width: 250px;
    margin-top: 72px;
}
.introduce_e div{
    width:50px;
    height:4px;
    background:rgba(178,4,4,1);
    border-radius:2px;
    margin: 30px auto 50px;
}
.introduce_e p{
    font-size:22px;
    font-weight:400;
    color:rgba(38,38,38,1);
    line-height:40px;
}
.relation h3{
    font-size:0.4rem;
    font-weight:bold;
    color:rgba(187,4,4,1);
    text-align: center;
}
.relation h6{
    font-size:0.2rem;
    font-weight:400;
    color:rgba(255,255,255,0.42);
    text-align: center;
}
.relation_a{
    width:1rem;
    height:4px;
    background:rgba(187,5,5,1);
    border-radius:2px;
    margin: 0 auto;
}
.relation_b{
    width: 100%;
    margin-top: 30px;
}
.relation_b>div{
    display: flex;
    align-items: center;
}
.relation_b>div>div:nth-child(1){
    width: 30%;
    margin-right: 15%;
    text-align: right;
    
}
.relation_b>div{
    position: relative;
}
.relation_b>div>div:nth-child(1)>img{
    width:34px;
    position: absolute;
    top: -53%;
    left: 32%;
}
.relation_b>div>div:nth-child(1) h4{
    font-size:0.25rem;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.relation_b>div>div:nth-child(1) p{
    font-size:0.18rem;
    font-weight:400;
    color:rgba(204,204,204,1);
    line-height:20px;
}
.relation_b>div>div:nth-child(2){
    width: 55%;
    display: flex;
    align-items: center;
    color: #ffffff;
}
.relation_b>div>div:nth-child(2)>img{
    width:50%;
    margin-right: 4%;
    margin-top: 20px;
}
.relation_b>div>div:nth-child(2)>div{
    width: 46%;
}
.relation_b>div>div:nth-child(2)>div p{
    font-style: 15px;

}
.relation_b>div>div:nth-child(2)>div p img{
    width: 20px;
    margin-right: 4px;
    vertical-align: middle;
}
.relation_b>div>div:nth-child(2)>div ul{
    height: 100%;

}
.relation_b>div>div:nth-child(2)>div ul li{
    height: 30px;
    line-height: 30px;
    float: left;
    margin: 0 10px;
}
.mobile p{
    font-size: 14px;
    line-height: 28px;
    text-indent: 2em;
}
.mobile h4{
    font-size: 26px;
    margin-bottom: 10px;
    font-weight: bold;
    text-align: center;
}
.mobile{
    color: #ffffff;
}
.mobile ul{
    width: 100%;
}
.mobile ul h3{

}
.mobile ul li {
    display: block;
    color: #ffffff;
    font-size: 13px;
    height: auto;
    overflow: hidden;
    float: left;
    margin:  10px;
}