*{margin:0;padding: 0;list-style: none;box-sizing: border-box;border: 0;text-decoration: none;}
a:hover{text-decoration: underline;}
._clear{clear: both;}
.banner{width: 100%;max-width: 100%;margin-bottom: -4px;}
.banner img{width: 100%;}

/*选矿流程*/
.xuanjin{background: url(../images/xuanjin.png) no-repeat;width: 100%;height: 362px;background-size:100%;}
.xuanjin_centent{width: 85%;margin:0 auto;}
.xuanjin_centent p {max-width: 700px;width: 90%; font-size: 14px;line-height: 36px;color: #666;padding-top: 80px;}
.xuanjin_centent h3,.xuanjin_centent ul{float: left;margin-right: 8px;}
.xuanjin_centent ul li{float: left;margin: 4px;}
.xuanjin_centent ul li:nth-child(2),.xuanjin_centent ul li:nth-child(4),.xuanjin_centent ul li:nth-child(6){margin:8px;}
.xuanjin_centent ul li:nth-child(6){margin-left: 0;}
.xuanjin_centent span{background-color: #dd1f2b;color: #fff;font-size: 14px;line-height: 30.82px;padding: 10px;text-align: center;}
.xuanjin_centent ul li ul{margin-top: -61px;}
.xuanjin_centent ul li ul li:nth-child(2){margin:4px;margin-top: 8px;}
.xuanjin_centent ul li ul li {float: none; margin-top: 8px;}
.xuanjin_centent ul li ul li span{width: 160px;display: inline-block;padding: 5px;}
.liucheng{margin-top: 80px;}
.liucheng h3{font-size: 20px;line-height: 36px;color: #333;}
.liucheng_pc a{ color:#FFF;}
.liucheng_pc a:hover{ color:#ddd7d7; text-decoration:none;}
.liucheng_phone{display: none;}
/*破碎阶段*/
.posui{background-color: #f0f0f0;width: 100%; padding: 40px 0;font-size: 14px;line-height: 30px;color: #666;}
.posui_centent{width: 85%; margin: 0 auto;}
.posui_centent img{float: left;width: 32%;}
.posui_right{float: left;width: 60%;margin-left:6%;margin-top: 20px;}
.posui_right a:hover{text-decoration:none}
.posui_right a h2:hover{color:#dd1a26;}
.posui h2{font-size: 27px;line-height: 60px;color: #333;font-weight: normal;}
.posui h2 strong{font-size: 27px;}
.posui span{font-size: 20px;line-height: 42px;color: #333;font-weight: bolder;}
.posui p{margin-bottom: 20px;}
.posui h4,.posui ul {color: #dd1a26;display: inline-block;float: left;}
.posui h4{line-height:2.2em;}
.posui ul li{float: left;margin-left: 10px;}
.posui ul li a{color: #dd1a26;}
.posui ul li a:hover{color: #353991;}
/*筛分阶段*/
.shaifen{width: 100%; padding: 40px 0;font-size: 14px;line-height: 30px;color: #666;}
.shaifen_centent{width: 85%; margin: 0 auto;}
.shaifen_centent img{float: right;width: 32%;}
.shaifen_right{float: left;width: 60%;margin-right:6%;margin-top: 20px;}
.shaifen_right a:hover{text-decoration:none}
.shaifen_right a h2:hover{color:#dd1a26;}
.shaifen h2{font-size: 27px;line-height: 60px;color: #333;font-weight: normal;}
.shaifen h2 strong{font-size: 27px;}
.shaifen span{font-size: 20px;line-height: 42px;color: #333;font-weight: bolder;}
.shaifen p{margin-bottom: 20px;}
.shaifen h4,.shaifen ul {color: #dd1a26;display: inline-block;float: left;}
.shaifen h4{line-height:2.2em;}
.shaifen ul li{float: left;margin-left: 10px;}
.shaifen ul li a{color: #dd1a26;}
.shaifen ul li a:hover{color: #353991;}

/*联系我们
.contact{width: 100%;background-color: #dd1a26;height: 150px;}
.contact p{text-align: center;font-size: 16px;line-height: 30px;color: #fff;padding-top: 35px;}
.contact .contact_bottom{width: 40%;margin: 0 auto;padding-bottom: 26px;margin-top: -3px;margin-left: 30%;}
.contact .contact_bottom div{height: auto;}
.contact .contact_bottom img{padding-right: 4px;float: left;padding-top: 1px;margin-left:16%;}
.contact_bottom span{float: left;}
.contact .contact_bottom button{  background: -webkit-linear-gradient(top, #dedede, #d0d0d0); background: -o-linear-gradient(top, #dedede, #d0d0d0); background: -moz-linear-gradient(top, #dedede, #d0d0d0); background: linear-gradient(top, #dedede, #d0d0d0);font-size: 14px; color: #333;border-radius: 8px;border: 0px;box-shadow: 1px 2px 8px #555555;padding:10px 20px;float: left;margin-right: 15px;height: 40px;border-bottom: 4px solid #949494;width: 30%;}
*/
/*重选*/
.zhongxuan_top{padding:40px 0;}
.zhongxuan_top p,.zhongxuan_top strong{color: #333;font-size: 20px;line-height: 40px;text-align: center;}
.zhongxuan .posui_right span,.zhongxuan .posui_right h2{float: left;display: inline-block;}
.zhongxuan .posui_right span{margin-top: 8px;margin-left: 2px}
.zhongxuan1{background-color: #fff;}
.phone_br{display: none;}
/*证书认证*/
.honor{width: 80%;margin: 0 auto;padding-top: 36px;padding-bottom: 40px;}
.honor h3{font-size: 20px;line-height: 30.58px;color: #333;font-weight: bold;}
.honor p{font-size: 16px;line-height: 30px;color:#666;}
.honor_top img {width: 21%;}
.honor_top .honor_img{width: 31%;}
.honor_bottom{margin-top: 50px;}
.honor_bottom_lt{float: left;width: 50%;}
.honor_bottom_lt img{width: 22.5%;}
.honor_bottom_lt .honor_bottom_lt_img{margin: 0.6%;}
.honor_bottom_rt {float: left;width: 44.3%;margin-left: 4.7%;}
.honor_bottom_rt img{width: 100%;}




@media (max-width: 1284px){
    .contact .contact_bottom{width: 50%;margin-left: 25%;}



}

@media (max-width: 1135px) {

    .contact .contact_bottom{width: 60%;margin-left: 23%;}
}
@media (max-width: 1023px){
     .posui_centent img,.shaifen_centent img{float: none;margin-left:33%;}
    .shaifen_centent{width: 80%;}
    .shaifen_right,.posui_right{float: none;width: 100%}
    .posui h2,.shaifen h2{text-align: center;}
    .zhongxuan_top{font-size: 26px;padding: 45px 0 ;line-height: 45px; }
    .xuanjin_centent p{padding-top: 20px;}
    .liucheng h3{margin-top: -80px;}


}
@media (max-width: 991px){

    .honor_bottom_lt,.honor_bottom_rt{width: 100%;margin-left: 0;}
    .contact .contact_bottom img{margin-left:12%;}
}
@media (max-width: 768px){
    .posui_centent img,.shaifen_centent img{width: 50%;margin-left: 25%;}
    .posui h2,.shaifen h2{font-size: 24px;line-height: 48px;}
    .posui span,.shaifen span{font-size: 18px;line-height: 40px;}
    .posui_right{margin-left:0;}
    .zhongxuan_top{font-size:20px;padding: 30px 0 ; }
    .phone_br{display: inline;}
    .liucheng_pc{display: none;}
    .liucheng_phone{display: block;margin-top: -80px;}
    .liucheng_phone img{width: 100%;}
    .liucheng h3{margin-top: 0;}
}

@media screen and (min-width: 650px) and (max-width: 767px) {

.contact .contact_bottom{width: 80%;margin-left: 13%;}
}
@media screen and (min-width: 500px) and (max-width: 649px) {

    .contact .contact_bottom{width: 90%;margin-left: 10%;}

}
@media (max-width: 600px) {
    
    .honor_bottom_lt img{width: 21.5%;}
    .honor_top .honor_img{width: 30.5%}
    .honor_top img{width: 20%;}
    .ph_contact{display: none}
    .contact .contact_bottom{width: 90%;margin-left: 10%;padding-top: 28px;}
    .contact{height: 100px;}
}

@media (max-width: 500px) {
.contact .contact_bottom{width: 100%;margin-left: 2%;}

 .contact .contact_bottom button{margin-right: 7px;padding:10px;}

}
@media (max-width: 375px){
    .shaifen_centent{width: 90%;}
    .posui h2,.shaifen h2{font-size: 20px;line-height: 40px;}
   .contact .contact_bottom img{display: none;}
    .posui span,.shaifen span{font-size: 16px;line-height: 34px;}
    .posui_centent img, .shaifen_centent img{width: 80%;margin-left: 10%;}
    .contact_bottom span{margin-left:11%;}
  

}