.banner{
    width: 100%;
    height: auto;
}
.banner img{
    width: 100%;
    height: auto;
}
/*navigation*/
.use-box{
    width: 100%;
    height: auto;
    background: #e3e3e3;
    padding-bottom: 40px;
}
.use-box .navigation ul{
    width: auto;
    height: auto;
    margin: 0 0 10px 360px;
    padding-top: 20px;
}
.use-box .navigation ul li img{
    display: inline-block;
    width: 15px;
    height: 13px;
    margin-right: 6px;
    
}
.use-box .navigation ul li{
    display: inline-block;
    width: auto;
    height: auto;
    font-size: 14px;
    color: #666;
    
}

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

.use-box .navigation ul li:nth-child(4){

    color: #19bc64;
    
}
.use-box .navigation .xian{
    width: 100%;
    height: auto;
    margin-bottom: 42px;
}
.use-box .navigation .xian img{
    width: 100%;
    height: auto;
 
}

/*navigation end*/
.use-box .use-case{
    width: 1200px;
    height: auto;
    margin: 0 auto 100px;
}
.use-box .use-case ul{
    width: 1200px;
    height: 585px;
    text-align: center;
    background: #fff;
    margin-bottom: 42px;
    transition:all 0.5s ease;
}

.use-box .use-case ul li img{
    width: 1200px;
    height: 422px;
    margin-bottom: 28px;
}
.use-box .use-case ul li h4{
    width: auto;
    height: auto;
    font-size: 24px;
    color: #333;
    margin-bottom: 14px;
    transition:all 0.5s ease;
}
.use-box .use-case ul li p{
    width: 460px;
    height: auto;
    line-height: 30px;
    font-size: 18px;
    color: #666;
    margin: 0 auto;
    transition:all 0.5s ease;

}
.use-box .use-case ul:hover{
    box-shadow: 0 5px 10px #333;
}
.use-box .use-case  ul:hover h4>a{
    color: #19bc64;
}
/* .use-box .use-case  ul:hover p{
    color: #19bc64;
} */

.use-box .use-case .case-box{
    display: inline-block;
    width: 582px;
    height: 506px;
    background: #fff;
    text-align: center;
    margin:0 32px 42px 0;
    transition:all 0.5s ease;
    
}

.use-box .use-case .case-box img{
    width: 582px;
    height: 348px;
    margin-bottom: 28px;
}
.use-box .use-case .case-box h4{
    width: auto;
    height: auto;
    font-size: 24px;
    color: #333;
    margin-bottom: 14px;
    transition:all 0.5s ease;
}
.use-box .use-case .case-box p{
    width: 460px;
    height: auto;
    line-height: 30px;
    font-size: 18px;
    color: #666;
    margin: 0 auto;
    transition:all 0.5s ease;
}
.use-box .use-case .case-box:hover{
    box-shadow: 0 5px 10px #333;
}
.use-box .use-case .case-box:hover h4>a{
    color: #19bc64;
}
/* .use-box .use-case .case-box:hover p{
    color: #19bc64;
} */

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