@media only screen and (max-width:720px){

    .main .con1 h2{display: inline-block;}
    .main .con1 .split{display: none;}
    .main .con1 .m-split{display: block; color: #FFF; font-size: 18px; line-height: 26px; margin-top: 20px;}
    .main .con3 ul{justify-content: center; margin-left: 0;}
    .main .con4{flex-direction: column; height: auto;}
    .main .con4 .box1,.main .con4 .box2{width: 100%; height: 264px; border-radius: 0;}

    .trading .con2 ul{flex-direction: column; flex-wrap: wrap;}
    .trading .con2 ul li{flex: none; width: 100%;}
    .trading .con2 ul li .img{padding-bottom: 50%;}
    .trading .con2 ul li span{bottom: initial; top: 50%; margin-top: -31px;}

    .contact .con3 .flex{display: block;}
    .contact .con3 .flex input:first-child{margin-bottom: 10px;}
    
}