.banner{
    height:200px ;
    background: url(../images/banner-product.png) no-repeat center center;
}


#banner{
  background: #f0f0f0;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
/** 如果屏幕大于840px才设置header的高度，小于让图片撑开 **/
@media (min-width: 840px) {
  #banner{
    height: 200px;
  }
}
/** 设置img banner的宽度100% **/
#banner > img{
  width: 100%;
}


.technical-service{
    margin-top: 60px;
    text-align: center;
}

.technical-service .title p{
    font-size: 36px;
    color: rgba(51, 51, 51, 1);
}

.service-list{
    /* width: 63%; */
    margin:0 auto;
}

.service-list ul{
    flex-direction: row;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.service-list ul li{
    list-style-type: none;
    display: inline-block;
    /* width: 30%; */
    min-height: 510px;
    border-radius: 20px;
    /* padding: 30px 40px 40px 40px; */
   /* box-sizing: border-box;
    margin-top: 50px;
    border: 1px solid #EEEEEE; */
}
.service-list-li{
	list-style-type: none;
	display: inline-block;
	border-radius: 20px;
	width: 96%;
	margin: 20px auto;
	padding: 30px 40px 40px 40px;
	box-sizing: border-box;
	 border: 1px solid #EEEEEE;
}
.service-list-li:hover{
    box-shadow: 0 6px 30px 0 rgba(0, 0, 0, 0.08);    border: none;
     transition: all 0.3s ease-in-out;
}

.service-list ul li .service-img{
    width: 208px;
    height: 208px;
    margin: 0 auto;
}

.service-list li:not(:nth-child(3n+1)) {
    /* margin-left: 4%; */
}

.service-list ul li .service-desc{
    margin-top: 30px;
    text-align: left;
}

.service-list ul li .service-desc p.title{
    font-weight: 500;
    color: #333333;
    font-size: 24px;
}

.service-list ul li .service-desc p.desc{
  width: 254px;
    margin-top: 20px;
    font-size: 16px;
    color: rgba(126, 126, 126, 1);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.service-list ul li:hover{
    /* box-shadow: 0 6px 30px 0 rgba(0, 0, 0, 0.08); */
}

.service-list ul li .detail{
    text-align: right;
}

.service-list ul li .detail .left{
    width: 51px;
    height: 7px;
    margin-top: 6px;
    margin-left: auto;
}

.service-list ul li:hover .detail .left{
    background-image: url("../images/service-left.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.service-list ul li:hover .service-desc p.title{
    color: rgba(255, 105, 0, 1);
    transition: color 200ms;
}

.product{
    text-align: center;
}

.product-title{
    margin-top: 60px;
    color: rgba(51, 51, 51, 1);
    font-size: 36px;
}

.product-list{
    margin: 0px auto 75px auto;

}

.product-list ul{
    margin-bottom: 0;
    margin-top: -20px;
}

.product-list ul li{
    list-style-type: none;
    display: inline-block;
    height: 336px; overflow: hidden;
     border-radius: 4px;
}

.product-list .bg{
    background-repeat: no-repeat;
    /* width: 380px; */
    height: 380px;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-size: 100%;
     border-radius: 4px;
}

.product-list .product-data0{
    background-image: url("../images/product-data.png");
     border-radius: 4px;
}
.product-list .product-data1{
    background-image: url("../images/product-farm.png");
     border-radius: 4px;
}
.product-list .product-data2{
    background-image: url("../images/product-safe.png");
     border-radius: 4px;
}
.product-list .product-farm{
    background-image: url("../images/product-farm.png");
     border-radius: 4px;
}
.product-list .product-safe{
    background-image: url("../images/product-safe.png");
     border-radius: 4px;
}
.product-list .bg .product-content{
    padding-left: 26px;
    padding-right: 26px;
    height: 100%;
     border-radius: 4px;
}

.product-list .bg:hover {
    background-size: 120%;
     border-radius: 4px;
}
.product-list .bg:hover  .product-title{
     top: 180px;
}
.product-list .bg .product-title{
    z-index: 99;
    color: rgba(255, 255, 255, 1);
    font-size: 23px;
    position: relative;
    top: 182px;
    transition: all 0.3s ease-in-out;
}

.product-list .bg .product-title p{
    text-align: left;
}
.product-list .bg .product-desc{
    z-index: 99;
    position: relative;
    top: 110px;
    text-align: left;
    opacity: 0;
     border-radius: 4px;
}
.product-list .bg .product-desc p{
    font-size: 16px;
    color: rgba(255, 255, 255, 1);
    text-align: left;
}
.product-list .bg .product-desc button{
    width: 98px;
    height: 32px;
    font-size: 14px;
    border-radius: 4px;
    color: rgba(255, 255, 255, 1);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 1);
    margin-top: -20px;
}

.product-list .bg .mask{
    /* width: 375px; */
    height: 375px;
    box-sizing: border-box;
    background-color: rgb(0,0,0);
    opacity: 0;
    transition: all 0.3s ease-in-out;
    margin-top: -375px;
    margin-left: 5px;
    z-index: 0;
     border-radius: 4px;
}

.product-list ul li:hover .bg .product-title{
    top: 100px;
    transition: all 0.3s ease-in-out;
     border-radius: 4px;
}

.product-list ul li:hover .bg .product-desc{
    opacity: 1;
    transition: all 1s ease-in-out;
     border-radius: 4px;
}

.product-list ul li:hover .bg .mask{
    opacity:0.5;
    transition: all 0.3s ease-in-out;
     border-radius: 4px;
}

.product-list ul li:not(:first-child){
    /* margin-left: 20px; */
}

.a_btn{
    width: 98px;
    text-align: center;
    height: 32px;
    line-height: 32px;
    padding: 0 11px;
    background-color: rgba(0,0,0,0);
    border: 1px rgba(255, 255, 255, 1) solid;
    border-radius: 4px;
    color: rgba(255, 255, 255, 1);
    /*color: #fff;*/
    display: inline-block;
    text-decoration: none;
    font-size: 14px;
    margin-top: 0px;
    outline: none;
}
.a_btn:hover{
   color: rgba(255, 255, 255, 1);
   border: 1px rgba(255, 255, 255, 1) solid;
   border-radius: 4px;
}