body{min-width: 1100px;max-width: 1920px;}

@media only screen and (max-width: 768px) {
	body{min-width: 320px;}
	.zhiys1{background-size: auto 100%;height: 300px;}
	/*.zhiys1>p{width: 80%;margin: 0 auto;}
	.zhiys1_1{font-size: 24px;padding-top: 138px;color: #fff;}
	.zhiys1_2{font-size: 22px;}*/
	.zhiys2{width: 100%;margin-top: 15px;}
	.zhiys2_1{font-size: 24px;font-weight: normal;}
	.zhiys2_1{height: 110px;}
	.te_31{width: 47%;margin-left: 2%;height: 310px;}
	.te_311>p>span{font-size: 20px;}
	.zhiys3_1{width: 100%;}
	.zhiys4{margin-top: 15px;}
	.zhiys4_1{height: 130px;line-height: 212px;font-size: 24px;font-weight: normal;}
	.zhiys4_2{background: none;height: auto;}
	.zhiys4_2>div{width: 100%;height: auto;display: inline-block;}
	.zhiys4_2>div>div{height: auto;width: 99%;margin: 0 auto;float: none;}
	.zhiys4_212,.zhiys4_222{margin-top: 0;}
	.zhiys4_22{margin: 0 !important;}
	.zhiys4_211>p>span,.zhiys4_212>p>span,.zhiys4_221>p>span,.zhiys4_222>p>span{color: #212121;margin: 0;font-size: 22px;}
	.zhiys4_2 pren{margin: 0!important;text-indent: 2rem;}
	.zhiys4_3{width: 100%;background-size: auto 100%;height: 100px;}
	.pro_show{width: 100%;height: auto;padding-bottom: 20px;}
	.pro_show_nr>div{background-size: 100% auto;margin-top: 15px;line-height: 26px;height: 380px;}
	.pro_show_tit li{font-size: 18px;margin-bottom: 20px;}
	.pro_show_nr>div>p{font-size: 18px;margin-bottom: 0;}
	.zhiys5{height: auto;padding-bottom: 20px;padding-top: 25px;}
	.pro_show_nr2{height: 335px !important;}
	.zhiys6{width: 100%;  }
	.zhiys3_1{background: url(http://image12.beiliugu.com/gw/d_03.png) no-repeat center; }
	.zhiys3_1 h2{display: block !important;font-size: 24px;text-align: center;color: #0066ff;}
	.zhiys3_1>div{margin-top: 10px;height: auto;}
	.zhiys3_12{margin-left: 0 !important;float: right !important;}
	.zhiys6{height: auto;display: inline-block;}
	.zhiys6_1{font-size: 24px;font-weight: normal;height: 40px;line-height: 40px;background: none;}
	.zhiys6_2{height: auto;}
	.zhiys6_2 h2{font-size: 22px;}
	.zhiys6_2>div{overflow: hidden;}
	.zhiys7{height: auto;margin-top: 15px;}
	.zhiys7_1{background: none;font-size: 24px;font-weight: normal;height: 40px;line-height: 40px;}
	.zhiys7_2{padding-bottom: 20px;width: 100%;height: auto;margin-top: 15px;}
	.zhiys7_2>img{width: 100%;}
	.demopage{display:none;}
	.zhiys8_1{background: none;font-size: 24px;font-weight: normal;height: 40px;line-height: 40px;}
	.zhiys8{width: 100%;margin-top: 15px;height: auto;}
	.zhiys8_2{height: auto;}
	.phlb{display: inline-block !important;width: 100%;height: auto;}
	.phlb>div{width: 23%;margin-left: 1.5%;height: auto;float: left;margin-bottom:10px;border: 1px solid #ddd;text-align:center;}
	.phlb>div img{width: 100%;height: auto;}
	.zhiys6_2>div p{height: 100px;}
	.nav{ display:none;}
	
	.logo1{ width:100%; height:80px;}
	.dbdh1{ width:100%;}
	.dbnr{ width:100%;}
	.top .top1{ width:100%;}
	.top .top1 .topy{ display:none;}
	.logo1 .logoy{ display:none;}
	.db{ display:none;}
	.logo1 .logox{ display:none;}
	.logo1 .logoz img{ width:175px;}
        .menu__toggle{box-sizing: border-box;}
        .zhiys4_3_1{display:none;}
}
@media only screen and (max-width: 640px) {
	.pro_show_nr>div{height: 350px;}
	.pro_show_nr2{height: 310px !important;}
	.zhiys6_2 h2{font-size: 20px;}
	.zhiys6_2>div p{height: 120px;}
  .zhiys3_1 h2{font-size: 22px;}

}
@media only screen and (max-width: 565px) {
	.pro_show_tit{line-height: 20px;}
	.pro_show_tit li a{height: 43px;}
}
@media only screen and (max-width: 540px) {
	.zhiys1{height: 220px;}
	.pro_show_nr2{height: 299px !important;}
}
@media only screen and (max-width: 526px) {
	.zhiys6_2>div p{height: 167px;}

}
@media only screen and (max-width: 505px) {
	.zhiys3{height: 472px;}
	.zhiys3_1>div{width: 99%;margin: 0 auto !important;float: none !important;}
	.zhiys3_1{background: url(http://image12.beiliugu.com/gw/d_03.png) no-repeat center right; }

}
@media only screen and (max-width: 445px) {
	.te_31{background-size: 100% auto;}
	.te_31>div:nth-child(1)>p{font-size: 14px;line-height: 20px;width: 96%;}
	.pro_show_nr>div{height: 375px;}
	.pro_show_nr2{height: 270px !important;}
	.phlb>div{width: 46%;margin-left: 2.5%;}
}
@media only screen and (max-width: 390px) {
	.zhiys1{height: 180px;}
	.zhiys4_3{height: 82px;}
	.zhiys3{height: 540px;}
	.zhiys6_2>div p{height: 193px;}
}
@media only screen and (max-width: 370px) {
	.zhiys3{height: 580px;}
}
@media only screen and (max-width: 349px) {
	.zhiys3{height: 642px;}
}
@media only screen and (max-width: 345px) {
	.pro_show_nr>div{height: 400px;}
	.pro_show_nr2{height: 250px !important;}
	.zhiys6_2>div p{height: 214px;}
}