@Media screen and (max-width: 1400px){
.ah_head .con .nav_ul li{margin-left: 30px;font-size: 18px;letter-spacing: 6px;}
.ah_head .con .logo{width:320px;}
.inner_con .left_cate_con .cate_ul li{padding-left: 35px;}
.inner_con .left_cate_con .cate_ul li a{font-size: 17px;}
.inner_con .left_cate_con .contact_info{font-size: 17px;}

.index_product li .li_con .con .li_entitle{font-size: 50px;line-height: 65px;}

}


@Media screen and (max-width: 1000px){
.ah_head .con .logo{width:260px;}
.ah_head .con .nav_ul li{margin-left: 15px;}

.m_main_nav{position:fixed;left:0px;top:0px;width:100%;height:100%;z-index:999;display:none;}
.m_main_nav ul{width:100%;height:100%;position:absolute;left:0px;top:0px;width:0%;text-align: left;background: rgba(82,91,99,0.9);}
.m_main_nav ul li{font-size:16px;line-height: 50px;overflow:hidden;width:100%;padding-left: 10px;box-sizing: border-box;}
.m_main_nav ul li.li_title{font-size: 18px;color:#ffffff;border-bottom:1px solid #ffffff;overflow: visible;}
.m_main_nav ul li .first_nav{height:50px;border-bottom:1px solid #ffffff;}
.m_main_nav ul li .first_nav .f_nav_title{width:calc(100% - 40px);float:left;height: 50px;overflow: hidden;}
.m_main_nav ul li .first_nav .arrow{width:40px;height:50px;float:right;transition: 0.3s;text-align: center;}
.m_main_nav ul li .first_nav .arrow i{transition: 0.3s;display: block;}
.m_main_nav ul li .first_nav .arrow.up{transform: rotate(180deg);}
.m_main_nav ul li .sec_nav{padding:0px 15px;box-sizing: border-box;transition: 0.4s;display: none;}
.m_main_nav ul li .sec_nav .sec_nav_list{height:45px;border-bottom: 1px dashed #ffffff;line-height: 45px;font-size: 14px;width:100%;display: block;}
.m_main_nav ul li a{color:white;}
.m_main_nav ul li .clo{width:50px;height:50px;display: block;float:right;margin-right: -50px;background: rgba(37,37,37,0.6);text-align: center;}
.m_main_nav ul li .clo i{color:#ffffff;font-size: 28px;}

}

@Media screen and (max-width: 768px){
.ah_head{padding-top: 10px;height: 55px;}
.ah_head .con .logo{width:240px;}
.ah_head .con .nav_ul{display: none}
.ah_head .con .m_english{display: block;}

.index_product li .li_con .con .li_entitle{font-size:18px;line-height: 20px;margin-top: 20px}
.index_product li .li_con .con .li_title{font-size: 16px;line-height: 16px;margin-top: 15px;}
.index_product li .li_con .con .li_des{font-size: 12px;line-height: 16px;margin-top: 10px;display: none;}
.index_product li .li_con .con .li_more{margin-top: 5px;width:150px;height:28px;line-height: 28px;margin-top: 35px;}

.index_case{padding-top: 40px;}

.index_title .en_title{font-size: 23px;line-height: 23px;}
.index_title .line{width:120px;height:2px;margin-top: 25px}
.index_title .cn_title{font-size: 20px;line-height: 20px;margin-top: 20px}

.index_case .con{margin-top: 40px}
.index_news{padding-top: 40px;}
.index_news .con{margin-top: 40px;}
.index_news .con .left_pic{width:100%;}
.index_news .con .right_con{width:100%;}
.index_news .con .right_con li{margin-bottom: 20px;}
.index_news .con .right_con li .li_title{font-size: 16px;line-height: 18px;height:18px;}
.index_news .con .right_con li .li_title .more{font-size: 15px;}
.index_news .con .right_con li .li_des{font-size: 14px;}

.inner_con .left_cate_con{width:100%;float:none;}
.inner_con .left_cate_con .cate_title{height:40px;font-size: 18px;line-height: 40px;}
.inner_con .left_cate_con .cate_ul li{height:33px;line-height: 33px;padding-left: 120px}
.inner_con .left_cate_con .cate_ul li a{font-size: 16px;}
.inner_con .left_cate_con .contact_con{display: none;}
.inner_con .right_con{width:95%;margin: 15px auto auto auto;float:none;}
.inner_con .right_con .pro_ul li{width:48%;margin-right: auto;margin-bottom: 20px;margin-left: auto;}
.inner_con .right_con .pro_ul li:nth-child(2n){float:right;}
.inner_con .right_con .pro_ul li .li_title{height:40px;line-height: 40px;font-size: 16px;}

.inner_con .right_con .case_ul li{width:48%;margin-right: auto;margin-bottom: 20px;margin-left: auto;}
.inner_con .right_con .case_ul li:nth-child(2n){float:right;}
.inner_con .right_con .case_ul li .li_title{height:40px;line-height: 40px;font-size: 16px;}

.inner_con .right_content{width:95%;margin:20px auto 10px auto;float:none;}
.inner_con .right_content .pro_des{width:100%;}
.inner_con .right_content .pro_des .pro_entitle{font-size: 20px;line-height: 20px}
.inner_con .right_content .pro_des .pro_title{font-size: 18px;line-height: 18px;}
.inner_con .right_content .pro_des .pro_parameter{width:100%;margin: 30px auto auto auto;line-height: 28px;text-align: justify;}
.inner_con .right_content .pro_des .pro_description{font-size: 15px;line-height: 28px;}
.inner_con .right_content .other_list{margin-top: 10px;}
.inner_con .right_content .pro_detalil_img{width:100%;}

.inner_con .right_con .news_ul{padding:10px 0% 0px 0%;}
.inner_con .right_con .news_ul li{font-size: 15px;color:#ffffff;margin-bottom: 20px;}
.inner_con .right_con .news_ul li .li_date{width:90px;}
.inner_con .right_con .news_ul li .li_title{width:calc(100% - 95px);}

.main_bottom{padding-top: 30px;padding-bottom: 15px;}
.main_bottom li{width:32%;margin-right: 2%;}
.main_bottom li .li_icon{height: 50px;line-height: 50px}
.main_bottom li .li_icon img{max-height: 50px;}
.main_bottom li .li_title{font-size: 15px;margin-top: 10px;}
.main_bottom li .li_des{font-size: 13px;line-height: 18px;margin-top: 10px;}

.news_detail{margin:10px auto auto auto;padding:10px 5px;}
.news_detail .title{font-size: 16px;}
.news_detail .content1{margin-top: 20px;}

.nav_more{display: block; position: relative;width: 45px;height: 40px;float: right;cursor: pointer;opacity: 0.9;margin-bottom: 0.1rem;}
.nav_more span{display: block;position: absolute;height: 4px;top: 22px;left: 8px;right: 0px;background-color: #D8DDE1}
.nav_more span:before,.nav_more span:after{content:"";display: block;position: absolute;width: 100%;height: 4px;background: #D8DDE1;}
.nav_more span:before{top: -10px;}
.nav_more span:after{bottom: -10px;}
.dede_pages{text-align: center;margin:40px auto auto auto;}
.dede_pages a{width:30px;height:25px;line-height: 25px;font-size: 14px;margin-bottom: 10px;}
.dede_pages .current{width:30px;height:25px;line-height: 25px;font-size: 14px;color:white;background-color: #27689F;display: inline-block;margin-bottom: 0px;margin-left:5px;border:1px solid #27689F;}
.dede_pages .num{width:30px;height:25px;line-height: 25px;padding-top:0px;font-size: 14px;color:#333333;background-color: white;display: inline-block;float:none;margin-bottom: 0px;margin-left:15px;}
.dede_pages .num:hover{background-color: #27689F;color:white; }
.dede_pages .next{width:50px;height:25px;line-height: 25px;font-size: 14px;margin-top: auto;padding-top:0px;color:white;background-color: #27689F;display: inline-block;float:none;text-align: center;margin-bottom: 0px;margin-left:10px;}
.dede_pages .prev{width:50px;height:25px;line-height: 25px;font-size: 14px;padding-top:0px;color:white;background-color: #27689F;display: inline-block;float:none;text-align: center;margin-bottom: 0px;}


.m_foot{width:100%;position:fixed;height:40px;background-color:#56A343;display: block;bottom:0;left:0;padding:2px 0;z-index: 998;}
.m_foot li{width:33.33%;float:left;position: relative;}
.m_foot li .img{display: block;width:25px;height:25px;margin:auto;}
.m_foot li .ewm{width:80px;height:80px;position: absolute;top:-80px;left:7px;display: none;}
.m_foot li span{display: block;text-align: center;font-size:13px;color:#ffffff;line-height: 14px;}

}

@Media screen and (max-width: 370px){
.ah_head .con .logo{width:200px;}
.index_product li .li_con .con .li_more{margin-top: 10px;}

}