img{
    display: block;
}
*{
    box-sizing: border-box;
}
p{
    margin: 0;
}
.page-main{
    width:1200px;
    margin:0 auto;
    padding-bottom: 40px;
}
.aboutus img{
    width:100%;
    display: block;
}
.header-img{
    display: flex;
    gap:20px;
    padding-top: 20px;
    justify-content:space-between;
    margin-bottom: 24px;
}
.header-img img{
    flex:1;
    width: 386px;
    transition: transform 0.5s ease;
}
.header-img img:hover{
    cursor: pointer;    
    transform: scale(1.05);
}
.p3-img1{
    margin-bottom: 20px;
}
.hide{
    display: none;
}
.p1box,.p2box,.p3box{
    background: url('../images/p1-img1.png') no-repeat;
    background-size: 100% auto;
    width:1200px;
    height:833px;
    padding:35px 30px 30px 540px;
}
.p2box{
    background: url('../images/p2-img1.png') no-repeat;
    background-size: 100% auto;
}
.p3box{    
    background: url('../images/p1-img2.png') no-repeat;
    background-size: 100% auto;
    padding:0;
}
.work{
    display: flex;
    margin-top: 20px;
    justify-content: center;
}
.work-left{
    width:335px;
    padding:90px 30px 0;
}
.work-left p{
    color:#fff;
    font-size: 11px;
    line-height: 20px;
    text-align: justify;
    text-indent: 2em;
}
.work-title{
    height:26px;
    line-height:26px;
    color:#fff;
    font-size: 13px;
    background:url('../images/p1-bg1.png') no-repeat left center;
    background-size: 272px auto;
    padding-left:26px;  
    margin-bottom: 20px;  
}
.programme{
    display: flex;
    margin-top: 40px;
}
.programme .pro-title{    
    background:url('../images/circle.png') no-repeat left center;
    background-size: 3px auto;
    padding-left:10px;
    font-size: 10px;
    color:#fff;
}
.programme-left{
    margin-right: 30px;
}
.programme h5{
    margin-top: 0px;
    margin-bottom: 30px;
    color:#fff;
}
.programme h5 b{
    font-size: 36px;
}
.address{
    display: flex;
    align-items: center;
}
.address img{
    width:12px;
    margin-right:5px;
    display: inline-block;
}
.address span{
    color:#33b4ed;
    font-size: 13px;
}
.companyname{
    display: flex;
    justify-content: space-between;
    position: relative;
}
.companyname .logo{
    position: absolute;
    right:0;
    width: 62px;
    height: max-content;
}
.companyname h3{
    font-size: 25px;
    color:#33b4ed;
    margin:8px 0 0px;
}
.intro{    
    text-align: justify;
    color:#333;
    font-size: 12px;
    line-height: 20px;
}
.background{
    display: flex;
    margin-bottom: 20px;
}
.p1-title{
    margin-bottom: 10px;
}
.background img{
    width:240px;
    height: max-content; 
    margin-left: 15px;   
}
.intro p,.background p{
    text-indent: 2em;
    color:#333;
    font-size: 12px;
    margin:0;
    line-height: 20px;
    text-align: justify;
}
.background p{
    font-size: 12px;
    line-height: 20px;
}
.p1-title{    
    height:26px;
    line-height:26px;
    color:#fff;
    font-size: 13px;
    background:url('../images/p1-bg2.png') no-repeat left center;
    background-size: 530px auto;
    padding-left:26px;
}
.intro-title{
    height:26px;
    line-height:26px;
    background:url('../images/p2-bg1.png') no-repeat left center;
    background-size: 108px auto;
    color:#fff;
    font-size: 12px;
    padding-left: 26px;
    margin-top: 15px;
    margin-bottom: 10px;
}
.intro-left{
    display: flex;
    overflow: hidden;
}
.intro-left img{
    width:260px;
    margin-left: 15px;
    height: max-content;
    /* float: left; */
}
.contact{
    background-color: #e4f7fd;
    display: flex;
    height: 30px;
}
.contact div{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 13px;
    flex:1;
    position: relative;
}
.contact div:first-child:after{
    content: '';
    position: absolute;
    right:0;
    top:10%;
    bottom:0;
    width: 1px;
    height: 80%;
    background-color: #71d3f6;
}
.contact div img{
    width:20px;
    height: max-content;
    margin-right: 10px;
}
.contact div span{
    color:#060002;
    font-weight: bold;
}
.p1-img5{
    margin-top: 20px;
}
.work-right{
    flex:1;
}
#hnmap{
    width: 750px;
    height: 825px;
    margin:0 auto;
}