/* 大banner */
.banner{
    width: 100%;
    height: 500px;
    position: relative;
    margin-top: 100px;
}
.banner img{
    width: 100%;
    height: 100%;
}
.bb_box{
    width: 100%;
    height: 80px;
    background-color: rgba(0,0, 0, .4);
    position: absolute;
    bottom: 0;
    color: #fff;
    font-weight: bold;
    font-size: 14px;
}
.bb_box div {
    width: 100px;
    height: 80px;
    text-align: center;
    line-height: 80px;
    position: absolute;
}
.bb_box div:nth-child(1){
    right: 400px;
}
.bb_box div:nth-child(2){
    right: 200px;
}
/* 项目优势 */
.advantage{
    width: 100%;
    background-color: #f2f1ef;
    padding-top: 50px;
}
.advantage h2{
    font-size: 28px;
    text-align: center;
    margin-bottom: 20px;
}
.advantage p{
    text-align: center;
    font-size: 12px;
    margin-top: 5px;
}
.items{
    width: 1200px;
    display: flex;
    margin: 40px auto;
    padding-bottom: 30px;
    justify-content: space-between;
    flex-wrap: wrap;
}
.item{
    width: 570px;
    height: 320px;
    border-radius: 10px;
    background-color: #fff;
    margin-bottom: 50px;
    position: relative;
    transition: all .3s;
}
.item .title {
    height: 80px;
    line-height: 80px;
    background-color: #495cff;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
.item:hover{
    box-shadow: 0px 0px 8px 5px #ccc;
    transform: translateY(-10px);
}
.item:hover .title{
    background-color: #f4b41e;
}
.content{
    padding:30px 85px;
    color: #2b3266;
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    line-height: 30px;
}
.pic{
    width: 82px;
    height: 92px;
    position: absolute;
    bottom: 10px;
    right: 16px;
}
.pic img{
    width: 100%;
    height: 100%;
}
/* <!-- 项目展示 --> */
.pro_show h2{
    font-size: 28px;
    text-align: center;
    margin-bottom: 20px;
}
.pro_show p{
    text-align: center;
    font-size: 12px;
    margin-top: 5px;
}
.contents{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.con{
    width: 310px;
    height: 400px;
    margin: 30px 0;
    box-shadow: 0 0 7px 5px #ecf3fb;
    padding: 30px;
    transition: all .3s;
}
.con:hover {
    transform: translateY(-15px);
}
.img{
    width: 110px;
    height: 110px;
    margin: 0 auto;
}
.img img{
    width: 100%;
    height: 100%;
}
.details{
    margin: 20px auto;
    text-align: center;
}
.name{
    color: #343434;
    font-size: 19px;
}
.icon-anjianfengexian{
    transform: rotate(90deg);
}
.word{
    line-height: 25px;
    font-size: 15px;
    color: #666;
    margin-top: 20px;
}
.details p{
    color: #bbbbbb;
    margin-top: -20px;
    font-size: 24px;
    font-weight: 100;
}
.pointer:hover{
    cursor: pointer;
}