.banner img{width: 100%;}



@media(max-width:1219px){
    .banner{height: auto;}
    .footer{height: auto;padding: 15px 0;}
    .footer-cont{width: 90%;}
    .footer-cont p{float: none;text-align: center;line-height: 2;}
    .list_left{width: 260px;height: 400px;}
    .list_left{background-size: 100%;}
    .list_left ul{margin: 200px auto 15px;}
    .list_left ul li{text-align: center;}
    .list_left ul li .li_img_2{margin: 0 auto;}
    .nav{width: 90%;margin: auto;background-size: 100%;}
    
}

@media(max-width:1100px){
    .con{width: 100%;}
    .question{width: 90%;background: url(../img/question-p.png) no-repeat;background-size: 100%;}
    .nr{width: 90%;}
    .bt{width: 90%;margin: 0 auto;}
    .nav ul{width: 50%;margin-left: 0;}
    .nav ul li{margin-left: 25%;}
    .con2_con{width: 925px;}
    .list_right{width: 650px;}
    .right_con img{width: 100%;}
}

@media(max-width:1024px){
    .con2_con{width: 740px;}
    .list_left{width: 200px;height: 310px;}
    .list_left ul{margin: 150px auto 15px;}
    .list_right{width: 530px;}
    /* .list_left{background-size: 100%;} */
    .list_left ul li .li_img_1{width: 96%;}
    /* .list_left ul li.lili .li_img_1{width: 96%;} */
    .list_left ul li .li_img_2{width: 95%}
    .question{height: auto;}
    .nr{width: 100%;height: auto;}
    .nr p{padding-top: 50px;top: auto;}
    .nav{background: url(../img/nav_bg-p.png) no-repeat;background-size: 100%;height: auto;}
    .bt{width: 100%;padding-top: 50px;height: auto;}
    .nav ul li{margin-left: 10%;}
    
}


@media(max-width:768px){
    .footer-cont{width: 96%;}
    .nr p{position: inherit;}
    .nav ul{width: 100%;height: 140px;}
    .nav ul:last-child{margin-bottom: 20px;}
    .list_left{width: 100%;height: auto;background: none;}
    .right_con img{height: auto;}
    .list_right{width: 100%;}
    .con2_con{width: 100%;}
    .list_left ul{margin: 0 0 15px;}
    .list_left ul li{width: 50%;float: left;}
    .list_left ul h1{font-size: 20px;padding: 10px 0;text-align: center;color: #fff;background: #2bb0ff;margin-bottom: 10px;}
    .list_left2 ul h1{background: #86e0ce}
    .list_left3 ul h1{background: #9884fe}
    .list_left4 ul h1{background: #fa6c91}
    .list_left5 ul h1{background: #f9675c}
    .list_left6 ul h1{background: #b5dc4d}
    .list_left7 ul h1{background: #ffcb18}
    .list_left8 ul h1{background: #7692f8}
    .list_right{height: 300px;}
    .con2_list{margin-top: 0;}
    .con2_list:first-child{margin-top: 30px;}
}




@media(min-width:769px){
    .list_left ul h1{display: none;}
}