body{
    font-size: 14px;
    color:#464A51
}
h2{
    text-align: center;
}
.p_880{
    width: 880px;
    margin: 0 auto;
}
.wrap1{
    height: 600px ;
    background: url("../img/product_security/banner@2x.png") center center no-repeat;
    padding: 192px 0 138px 0;
    background-size: cover;
}
.wrap1 h1{
    line-height: 40px;
    margin-bottom: 20px;
}
.wrap1 p{
    color: #292E38;
    line-height: 28px;
    max-width: 580px;
}
.wrap1 .btns{
    margin-top: 48px;
    background: #1966EE;
}
.wrap2,.wrap3,.wrap4{
    padding: 72px 0;
}
.wrap2 p,.wrap3 p,.wrap4 p{
    text-align: center;
    margin-top: 16px;
}
.wrap3 p.stitle{
    display: inline-block;
    margin-left: 10px;
}
.wrap2 ul{
    display: flex;
}
.wrap2 ul li{
    text-align: center;
    margin-top: 70px;
    /*margin-right: 140px;*/
    width: 390px;
    padding: 0 60px;
    box-sizing: border-box;
}
.wrap2 ul li:nth-child(3n){
    margin-right: 0;
}
.wrap2 ul li img{
    width: 70px;
}
.wrap2 ul li.li_center{
    padding: 0;
}
.wrap2 ul li.li_center img{
    width: 390px;
    height: auto;
}
.wrap2 ul li p:not(.stitle){
    line-height: 20px;
}

/*.wrap3*/
.wrap3{
    background: url("../img/product_security/bg_sjcc.png") center center no-repeat;
    background-size: cover;
}
.wrap3 .wrap_i{
    position: relative;
    margin-top: 54px;
    background: white;
}
.wrap3 .l_dv{
    position: absolute;
    top: 0;
    bottom: 0;
    width: 320px;
    text-align: center;
    border: 1px solid #ededed;
}
.wrap3 .r_dv{
    margin-left: 320px;
    border-right: 1px solid #ededed;
    border-bottom: 1px solid #ededed;
}
.wrap3 .r_dv ul{
    display: flex;
}
.wrap3 .r_dv ul li{
    padding: 28px;
    flex: 1;
    border-top: 1px solid #ededed;
    border-right: 1px solid #ededed;
}
.wrap3 .r_dv ul li img{
    width: 40px;
}
.wrap3 .r_dv ul li p:last-child{
    text-align: left;
    color: #797D85;
}
/*.wrap4*/
.wrap4{
    background: url("../img/product_security/bg_fwqaq.png") center center no-repeat;
    background-size: cover;
}
.wrap4 ul{
    display: flex;
    margin-top: 90px;
}
.wrap4 ul li{
    text-align: center;
    flex: 1;
    padding: 0 60px;
}
.wrap4 ul li p:not(.stitle){
    text-align: left;
    line-height: 24px;
}