#nav{
    width: 100%;
    height: 5rem;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding: 0 60rem;
    box-sizing: border-box;
    /* background-color: rgb(80, 212, 252); */
}
#nav>*{
    display: block;
    padding: 1rem 1.5rem;
    display: flex;
    font-size: 1.4rem;
    align-items: center;
    justify-content: center;
}
#nav>*:hover{
    background-color: rgb(47, 192, 236);
    color: white;
}
.banner{
    width: 96%;
    height: 32rem;
    margin: 0 auto;
    /* background-color: violet; */
}
.banner img{
    width: 100%;
    height: auto;
    border-radius: 5rem;
}
/* 锅炉导航 */
.classify{
    width: 100%;
    height: 15rem;
    line-height: 15rem;
    background-color: white;
}
.classifys{
    width: 140rem;
    margin: 0 auto;
    position: relative;
}
.classifys h1{
    font-size: 3.5rem;
    color: #333;
}
/* 图标导航 */
.iconnav{
    width: 140rem;
    height: 20rem;
    display: flex;
    justify-content: space-between;
    /* background-color: wheat; */
    margin: 0 auto;
}
.iconnav .gray{
    background-color: rgb(255, 255, 255);
}
.iconnavs{
    width: 24%;
    height: 100%;
    padding: 4rem 0 2rem 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.95);
    transition: all 0.3s ease-in;
    justify-content: space-around;
    background-color: rgb(245, 245, 245);
}
.iconnavs i{
    font-size: 4rem;
}
.iconnavs span{
    font-size:2rem;
}
.iconnavs:hover{
    transform: scale(1);
    background-color: rgb(41, 149, 238);
}
/* 蒸汽锅炉 */
.classify .ziti{
    font-size: 3.5rem;
    color: #666;
}
/* 热门产品 */
.type {
    width: 1400px;
    /* height: 350px;    */
    display: flex;
    margin: 0 auto;
    justify-content: space-between;
    /* background-color: rgb(255, 255, 255); */
}

.type>.type1 {
    width: 440px;
    height: 100%;
    transform: scale(0.98);
    text-align: center;
    transition: all 0.3s;
    position: relative;
    background-color: rgba(185, 231, 245, 0.24);
}
.type img{
    width: 100%;
    height: auto;
    display: block;
}
.type p{
    margin:20px 20px 10px 20px;
    font-size: 18px;
    text-align: left;
}
.type1>.type2{
    text-align: center;
    width: 120px;
    height: 30px;
    line-height: 30px;
    border-radius: 1rem;
    border: 1px solid rgb(148, 143, 143);
}
.type1>div{
    width: 100%;
    height: 300px;
    position: absolute;
    text-align:left;
    top: 0;
    display: none;
    transition: all 1s;
    background-color: rgb(99, 176, 238);
}
.type1>div>p{
    margin-top: 40px;
}
.type1:hover{
    background-color: rgb(198, 246, 255);
    transform: scale(1);
}
.type1:hover p{
    font-weight: 500;
}
.type1:hover div{
    transition: all 1s;
    display: block;
}
/* 案例展示 */
.cases{
    width: 140rem;
    height:28rem;
    margin: 0 auto;
    display: flex;
    margin-bottom: 3rem;
    justify-content: space-between;
    /* background-color: violet; */
}
.cases1{
    width: 24%;
    height: 100%;
    position: relative;
    height: inherit;
    /* background-color: khaki; */
}
.cases1:hover>.case-float{
    /* display: block; */
    opacity: 1;
}
.cases1 img{
    width: 100%;
    height: 100%;
}
.case-float{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    /* display: none; */
    opacity: 0;
    padding: 2rem;
    transition: all 0.3s ease-in;
    box-sizing: border-box;
    background-color: rgba(89, 156, 190, 0.801);
}
.case-float h3{
    margin: 2rem 0;
    font-size: 2rem;
    color: white;
}
.case-float .diqu{
    font-size: 1.6rem;
    font-weight: 700;
    color:white;
}
.case-float .text{
    margin-top: 1rem;
    font-size: 1.2rem;
    color: white;
}
.case-float .btn{
    width: 120px;
    height: 40px;
    margin-top: 1.5rem;
    line-height: 40px;
    text-align: center;
    color: white;
    position: absolute;
    bottom: 2rem;
    font-size: 1.4rem;
    background-color: rgb(255,126,69);
}