@media (min-width:200px) and (max-width:1199px){
/*隐藏_pc_html*/
.pc_box{display:none;}

/*页脚置底*/
html,body{height:100%;margin:0;padding:0;}
#container{min-height:100%;height: auto !important;height: 100%;margin-bottom:0;}
.push{height:0;clear:both;}

/*mb_top_position*/
.mb_top_position{width:100%;position:fixed;top:0;left:0;background:#fff;box-shadow:0 0 5px #e5e5e5;z-index:1;}
.mb_logo{width:50px;margin:0 auto;margin-top:10px;}
.mb_logo img{width:100%;}
.mb_top{width:90%;margin:0 auto;}
.mb_top li:nth-child(1){float:Left;padding-bottom:7px;}
.mb_top li:nth-child(1) a{float:Left;margin-right:15px;font-size:1.3rem;line-height:30px;color:#000;}
.mb_top li:nth-child(2){float:right;}
.mb_top li:nth-child(2) img{width:40px;}

/*nav_hide_box*/
.mb_nav_box_lay{width:100%;height:100%;margin:0 auto;position:fixed;top:0;left:0;background:rgba(0,0,0,0.5);z-index:16;display:none;}
.mb_nav_box{width:60%;height:100%;margin:0 auto;background:rgba(0,0,0,0.7);padding:10px 20px;box-sizing:border-box;position:fixed;top:0;right:-60%;z-index:10000 !important;padding-bottom:40px;z-index:11;transition:0.5s;}

.mb_nav_box_move{right:0 !important;}

.mb_nav_close{width:30px;padding-top:5px;padding-bottom:10px;float:left;margin-right:3px;}
.mb_nav_title{border-bottom:solid 1px #ccc;font-weight:bold;line-height:50px;}
.mb_nav_down{width:16px;float:right;padding-top:18px;margin-right:2%;}
.mb_nav_up{width:16px;float:right;padding-top:18px;margin-right:2%;}

.mb_nav_a{color:#fff;font-size:1.4rem;}
.mb_nav_son li>a{color:#fff;display:block;font-size:1.3rem;line-height:35px;font-weight:Normal;}
.mb_nav_title>a{display:block;color:#fff;font-size:1.4rem;font-weight:bold;}
.mb_nav_son>li{position:relative;}
.mb_nav_son li>p{color:#fff;display:block;font-size:1.3rem;line-height:35px;font-weight:Normal;}
.mb_nav_son>li img{width:14px;position:absolute;right:2.5%;top:11px;z-index:5;}

/*mb_home_box*/
.mb_home_box{height:70%;display:flex;align-items:center;justify-content:center;flex-direction:column;}
.mb_home_box a{font-size:1.8rem;margin-bottom:20px;color:#000;}
.mb_home_box a:last-child{margin-bottom:0;}

/*mb_foot*/
.mb_foot_bg{width:100%;background:#f2f2f2;position:fixed;bottom:0;left:0;box-shadow:0 0 5px #ccc;}
.mb_foot{width:80%;margin:0 auto;}
.mb_foot a{float:left;text-align:center;line-height:45px;color:#000;font-size:1.2rem;}

.mb_foot a:nth-child(1){width:27%;}
.mb_foot a:nth-child(2){width:35%;}
.mb_foot a:nth-child(3){width:38%;}

/*main_box*/
.main_box{margin-right:0;}

/*title_box*/
.title_box{width:90%;margin:0 auto;display:flex;align-items:Center;justify-content: space-between;margin-bottom:30px;margin-top:30px;}
.title_box li:nth-child(1){width:30%;}
.title_box li:nth-child(1) h1{font-size:1.6rem;font-weight:Normal;color:#000000;letter-spacing:0;margin-bottom:5px;}
.title_box li:nth-child(1) p{font-size:1rem;color:#888;}
.title_box li:nth-child(2){width:65%;margin-left:5%;}
.title_tab{font-size:1.5rem;color:#000;line-height:25px;letter-spacing:2px;text-align:justify;margin-bottom:10px;}
.title_box_text{font-size:1.2rem;color:#000;line-height:22px;text-align:justify;}

/*about_photo*/
.about_photo{width:90%;margin:0 auto;margin-bottom:40px;line-height:25px;}
.about_photo li img{width:100%;}

/*advantage_box*/
.advantage_box{width:90%;margin:0 auto;margin-bottom:50px;}
.advantage_box img{width:100%;} 
.advantage_box_text{width:100%;margin:0 auto;color:#000;font-size:1.2rem;text-align:justify;padding:30px 0;box-sizing:border-box;line-height:25px;}
.advantage_box_text h1{font-size:1.5rem;font-weight:normal;margin-bottom:10px;color:#000;}

/*memory_box*/
.memory_box_bg{width:90%;margin:0 auto;margin-bottom:40px;margin-top:30px;}
.memory_box{display:flex;}
.memory_box_right{display:flex;flex-direction:row-reverse;}
.memory_box li{width:50%;}
.memory_photo img{width:100%;}
.memory_text{display:flex;align-items:Center;justify-content:center;flex-direction:column;}
.memory_text h1{font-size:1.6rem;coloe:#000;font-weight:normal;font-family:Arial;margin-bottom:10px;}
.memory_date{position:relative;margin-bottom:10px;}
.memory_date:after{content: "";font-size:1.2rem;color:#333;position:absolute;right:10px;bottom:-5px;}
.memory_date img{width:45%;margin:0 auto;}
.memory_text p{font-size:1.2rem;color:#333;padding:0 20px;box-sizing:border-box;text-align:center;}

/*brand_cooper*/
.brand_cooper_bg{width:90%;margin:0 auto;margin-bottom:40px;margin-top:30px;}
.brand_cooper{display:flex;}
.brand_cooper_right{display:flex;flex-direction:row-reverse;}
.brand_cooper li{width:50%;}
.brand_cooper img{width:100%;}
.brand_cooper_text{display:flex;align-items:Center;justify-content:center;flex-direction:column;}

/*product_title*/
.product_title{width:90%;margin:0 auto;display:flex;align-items:Center;justify-content: space-between;margin-bottom:30px;margin-top:30px;}
.product_title li:nth-child(1){width:100%;}
.product_title li:nth-child(1) h1{font-size:2rem;font-weight:Normal;color:#000000;margin-bottom:5px;}
.product_title li:nth-child(1) p{font-size:1.3rem;color:#666;}





}