.banner{
    width: 100%;
    height: auto;
}
.banner img{
    width: 100%;
    height: auto;
}
.box{
    width: 100%;
    height: 2830px;
    background: url(../images/products/background-box-img.png) no-repeat center;
   
}
/*navigation*/
.box .navigation ul{
    width: auto;
    height: auto;
    margin: 0 0 80px 360px;
    padding-top: 20px;
}
.box .navigation ul li img{
    display: inline-block;
    width: 15px;
    height: 13px;
    margin-right: 6px;
    
}
.box .navigation ul li{
    display: inline-block;
    width: auto;
    height: auto;
    font-size: 14px;
    color: #666;
    
}


.box .navigation ul li:nth-child(4){
 
    color: #19bc64;
    
}

.box .navigation ul li a{
    color:#666!important;
}
.box .navigation ul li a:last-child{
    color :#19bc64!important;
}
.box .navigation ul li a:hover{
    
    color: #19bc64!important;
    
}

/*navigation end*/
.box .presentation-box{
    width: 1138px;
    height: auto;
    margin: 0 auto 60px;
} 
.box .presentation-box ul{
    width: 946px;
    height: auto;
    margin: 0 auto 36px;
} 
.box .presentation-box ul li h3{
    width: 124px;
    height: auto;
    font-size: 30px;
    color: #333;
    margin: 0 auto 20px;
}
.box .presentation-box ul li p{
    width: 946px;
    height: auto;
    line-height: 36px;
    font-size: 18px;
    color: #666;
    text-align: center;

} 
.box .presentation-box .presentation-box1 ul{
    width: 1138px;
    height: 198px;
    margin: 0 auto;

}
.box .presentation-box .presentation-box1 ul li{
    display: inline-block;
    width: 266px;
    height: 198px;
    margin-right: 20px;
} 
.box .presentation-box .presentation-box1 ul li img{
    width: 266px;
    height: 198px;

} 
.box .presentation-box .presentation-box1 ul li:nth-child(4){

    margin-right: 0;
}
.box .feature{
    width: 1030px;
    height: auto;
    margin: 0 auto 40px;
} 
.box .feature h3{
    width: 126px;
    height: auto;
    font-size: 30px;
    color: #333;
    margin: 0 auto 40px;
}
.box .feature ul{
  
    width: 490px;
    height: auto;
    margin-bottom: 10px;
}

.box .feature ul li{

    width: auto;
    height: auto;

}
.box .feature ul li img{

    width: 60px;
    height: 60px;

}
.box .feature ul li h4{
  
    width: auto;
    height: auto;
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
}
.box .feature ul li p{
  
    width: 412px;
    height: 90px;
    line-height: 26px;
    font-size: 16px;
    color: #666;
   
}
.box .size ul{
    width: 850px;
    height: 200px;
    margin: 0 auto 60px;


}

.box .size ul li h3{
    display: block;
    width: 126px;
    height: auto;
    font-size: 30px;
    color: #333;
    margin: 30px auto 20px;
   
}
.box .size ul li p{
    width: 850px;
    height: auto;
    line-height: 36px;
    font-size: 16px;
    color: #666;
    margin: 0 auto;

}
.box .show{
    width: 1090px;
    height: 1026px;
    margin: 0 auto 100px;
}
.box .show h3{
    width: 126px;
    height: auto;
    font-size: 30px;
    color: #333;
    margin: 0 auto 60px;
}
.box .show ul{
    width: 500px;
    height: 486px;
    text-align: center;
    margin-bottom:100px;
}
.box .show ul li{
    width: auto;
    height: auto;
}
.box .show ul li img{
    width: 496px;
    height: 318px;
    margin: 0 auto 30px;
}
.box .show ul li h4{
    width: 194px;
    height: auto;
    font-size: 22px;
    color: #333;
    margin: 0 auto 12px;
}
.box .show ul li p{
    width: 496px;
    height: auto;
    line-height: 28px;
    font-size: 16px;
    color: #666;
    margin: 0 auto;
}