@media (min-width:1200px){
/*隐藏_mb_html*/	
.mb_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;}

/*foot*/
.foot_bg{margin-right:150px;}
.foot{width:400px;margin:0 auto;display:flex;align-items:center;}
.foot a{width:33.33%;box-sizing:border-box;font-size:1.6rem;color:#000;text-align:center;padding:40px 0;color:#666;}
.foot a:hover{color:#000;}

/*home_box*/
.home_box{display:flex;align-items:center;justify-content:center;height:100vh;overflow:hidden;}
.home_logo{position:absolute;top:20px;left:20px;z-index:1;}

.home_lan{position:absolute;top:40px;left:50%;margin-left:-90px;width:180px;}
.home_lan a{font-size:1.4rem;color:#b5b5b6;}
.home_lan a:nth-child(1){float:left;}
.home_lan a:nth-child(2){float:right;}
.home_lan a:hover{color:#000;transition:0.5s;}

.home_left{position:relative;width:50%;height:100%;display:flex;align-items:Center;justify-content:center;}

.home_nav>a{font-size:3.6rem;text-align:center;margin-bottom:30px;color:#b5b5b6;}
.home_nav>a:last-child{margin-bottom:0;}
.home_nav>a:hover{color:#000000;transition:0.5s;}

.home_slide_nav{position:absolute;right:40px;top:50%;margin-top:-250px;}
.home_slide_nav a{margin-bottom:150px;word-break: break-all;transform:rotate(-270deg);letter-spacing:2px;font-size:1.4rem;color:#b5b5b6;}
.home_slide_nav a:nth-child(3){margin-bottom:120px;}

.home_slide_nav a:last-child{margin-bottom:0;}
.home_slide_nav a:hover{color:#000000;transition:0.5s;}

.home_right{width:50%;height:100%;background-repeat:no-repeat;background-size:cover;background-position:Center center;/*background-image:url('../image/banner/home_banner1.jpg');*/}

/*nav_box*/
.nav_box{width:150px;height:100%;position:fixed;right:0;top:0;box-shadow:0 0 5px #ccc;}
.nav_box>a{height:17vh;display:flex;align-items:center;justify-content:center;background:#fff;}
.nav_box>a img{width:75px;}

/*一级导航*/
.nav{height:83vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relaitve;background:#fff;}
.nav>li{width:100%;}
.nav>li>a{font-size:1.4rem;color:#000;transform:rotate(90deg);height:150px;line-height:150px;display:flex;align-items:Center;justify-content:center;}
.nav>li:nth-child(4)>a{height:110px;}

/*二级导航*/
/* .nav_son{height:100%;position:absolute;right:0;top:0;display:flex;align-items:center;justify-content:center;flex-direction:column;z-index:-1;transition:1s;
background-image:url('../image/photo/nav_son_bg1.jpg');background-repeat:no-repeat;background-size:cover;background-position:50% center;}
.nav>li:nth-child(2) .nav_son{background-image:url('../image/photo/nav_son_bg2.jpg')} */
/*.nav_son a{font-size:1.6rem;color:#fff;margin-bottom:15px;width:140px;text-align:center;padding:10px 20px;line-height:20px;box-sizing:border-box;}*/
.nav_son a{font-size:1.5rem;color:#fff;margin-bottom:15px;width:140px;text-align:center;padding:10px 20px;line-height:20px;box-sizing:border-box;word-wrap:break-word;}
.nav_son a:last-child{margin-bottom:0;}

.nav_son a:hover{color:#000;transition:0.5s;}
.nav li:hover .nav_son{right:150px;background-position:100% center;transition:1s;}

/*main_box*/
.main_box{margin-right:150px;}

/*lan_box*/
.lan_box{width:1120px;margin:0 auto;padding:70px 0;}
.lan_box a{display:inline;font-size:1.4rem;color:#b5b5b6;margin-right:86px;}
.lan_box a:hover{color:#000;}

/*title_box*/
.title_box{width:768px;margin:0 auto;display:flex;align-items:Center;justify-content: space-between;margin-bottom:30px;}
.title_box li:nth-child(1){width:25%;}
.title_box li:nth-child(1) h1{font-size:5rem;font-weight:Normal;color:#000000;letter-spacing:0;margin-bottom:10px;}
.title_box li:nth-child(1) p{font-size:1.8rem;color:#000000;letter-spacing:2px;line-height:25px;}
.title_box li:nth-child(2){width:65%;margin-left:10%;}
.title_tab{font-size:3rem;color:#000;line-height:25px;letter-spacing:2px;text-align:justify;margin-bottom:20px;}
.title_box_text{font-size:1.4rem;color:#000;line-height:25px;letter-spacing:2px;text-align:justify;}

/*about_photo*/
.about_photo{width:70%;margin:0 auto;margin-bottom:50px;line-height:25px;}
.about_photo li img{width:100%;}

/*advantage_box*/
.advantage_box{width:70%;margin:0 auto;margin-bottom:50px;}
.advantage_box img{width:100%;} 
.advantage_box_text{width:50%;margin:0 auto;color:#000;font-size:1.4rem;text-align:justify;padding:50px 0;box-sizing:border-box;line-height:25px;}
.advantage_box_text h1{font-size:3rem;font-weight:normal;margin-bottom:20px;color:#000;}

/*memory_box*/
.memory_box_bg{width:70%;margin:0 auto;margin-bottom:80px;}
.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:2rem;coloe:#000;font-weight:normal;font-family:Arial;margin-bottom:30px;}
.memory_date{position:relative;margin-bottom:35px;}
.memory_date:after{content: "";font-size:1.6rem;color:#333;position:absolute;right:-30px;bottom:0;}
.memory_text p{font-size:1.6rem;color:#333;}

/*brand_cooper*/
.brand_cooper_bg{width:70%;margin:0 auto;margin-bottom:80px;}
.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:768px;margin:0 auto;display:flex;align-items:Center;justify-content: space-between;margin-bottom:30px;}
.product_title li:nth-child(1){width:100%;}
.product_title li:nth-child(1) h1{font-size:6.6rem;font-weight:Normal;color:#000000;margin-bottom:10px;}
.product_title li:nth-child(1) p{font-size:1.8rem;color:#000000;line-height:25px;}







}