/* 大banner */
.pointer:hover{
    cursor: pointer;
}
.banner{
    width: 100%;
    height: 500px;
    position: relative;
    margin-top: 100px;
    /* background-color: plum; */
}
.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: 350px;
}
.bb_box div:nth-child(2){
    right: 200px;
}
.bb_box div:nth-child(3){
    right: 50px;
}
/* 关于杭州畅利 */
.content{
    width: 100%;
    position: relative;
    padding-top: 30px;
}
.top1{
    width: 1200px;
    height: 79px;
    margin: 0 auto;
    position: relative;
    top: 100px;
    transition: all 1s;
}
.English{
    font-size: 60px;
    font-weight: bold;
    text-align: center;
    color: #f5f5f7;  
}
.title{
    font-size: 30px;
    text-align: center;
    margin-top: -40px;
    font-weight: bold;
}
.con{
    width: 1200px;
    margin: 50px auto;
    position: relative;
    top: 110px;
    display: flex;
    transition: all 1s;
}
.con_en{
    font-size: 26px;
    font-weight: bold;   
}
.con h3{
    font-size: 24px;
    font-weight: 500;
}
.con-right{
    width: 600px;
    height: 520px;
    margin-right: 60px;
    overflow: hidden;
    transition: all 1s;
}
.con-right img{
    width: 100%;
    height: 100%;
    transition: all 1s;
}
.con-right img:hover{
    transform: scale(1.2);
}
.bor-top {
    width: 100%;
    height: 10px;
    /* background-color: red; */
    border-bottom: 1px dashed #333;
}
.line{
    position: absolute;
    top: 0;
    left: 335px;
    color: #ccc;
}
.contain {
    margin-top: 20px;
    color: #666;
}
.contain span {
    font-size: 14px;
    line-height: 30px;
}
.contain p{
    text-indent: 2em;
    line-height: 25px;
}
.art_text {
 font-size: 25px;
  color: black;

}
/* 发展历程 */
.dev_history{
    height: 541px;
    margin: 30px 100px 0px;
    padding-top: 40px;
    /* background-color: red; */
    border-top: 1px dashed #ccc;
}
.flex_img {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}
.img_family {
    width: 100%;
    height: 300px;
    margin-bottom: 20px;
    overflow: hidden;
    
}
.img_family img {
    transition: all 1s;
}
.img_family img:hover {
    transform: scale(1.2);
}
.dev_history span {
    color: #666;
    font-size: 14px;
}
.img_family img {
    width: 100%;
    height: 100%;
}