.head-scroll-placeholder{
    height: 104px;
}
.head-scroll-banner{
    height: 560px;
    width: 100%;
    min-width: 1024px;
}
.hs-b1{
    background: url("../img/images/aboutUsBgBig1.jpg") no-repeat center;
}
.hs-b2{
    background: url("../img/images/team_spirit_31.png") no-repeat center;
}
.hs-b3{
    height: 457px;
    background: url("../img/images/about_us_bg_34.png") no-repeat center;
}
.select-btns{
    height: 70px;
    line-height: 70px;
}
.select-btns a{
    display: inline-block;
    width: 124px;
    height: 38px;
    color: #494949;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    margin: 0 20px;
    outline: none;
}
.select-btns a:hover{
    color: white;
    background-color: #1baeeb;
}
.introduce-title{
    text-align: center;
    display: inline-block;
    margin-top: 75px;
    width: 100%;
}
.introduce-title h3{
    font-size: 28px;
    color: #2686c0;
    font-weight: 400;
}
.introduce-title h3:after{
    content: '';
    display: block;
    height: 2px;
    width: 60px;
    background-color: #757577;
    margin: 8px auto 6px;
}
.introduce-title p{
    color: #757577;
    text-transform: uppercase;
    font-size: 14px;

}
.introduce-content{
    width: 950px;
    margin: 60px auto 70px;
    text-indent: 2em;
    font-size: 14px;
    line-height: 30px;
    color: #646466;
}
.introduce-content-p3{
    margin-top: 16px;
}

/*introduce-layout*/
.introduce-layout{
    margin-top: 75px;
    margin-bottom: 86px;
}
.introduce-layout-left{
    float: left;
    width: 340px;
    height: 350px;
    margin-left: 36px;
    background: url("../img/images/about_us_bg_11.png");
}
.company-culture{
    width: 448px;
    height: 665px;
    background: url("../img/images/company_culture_11.png");
}
.introduce-layout-right{
    float: left;
    width: 600px;
    height: 400px;
    margin-left: 36px;
}
.company-culture-right{
    width: 500px;
}
.ilr-p{
    text-indent: 2em;
    font-size: 14px;
    color: #646466;
    line-height: 30px;
}
.ilr-p1{
    margin-top: 40px;
}
.ilr-p2{
    margin-top: 40px;
}
/*introduce-layout*/
/*introduce-development*/
.introduce-development{
    color: #646466;
    line-height: 30px;
    font-size: 14px;
    margin-top: 65px;
}
.introduce-development p{
    margin-left: 80px;
}
.introduce-development-p2{
    margin-bottom: 40px;
}
.introduce-development-img{
    margin: 64px auto 0;
    display: block;
}
/*service-purpose*/
.service-purpose{
    height: 147px;
    border-left: 4px solid #2686c0;
    position: relative;
    text-transform: uppercase;
}
.service-purpose p{
    margin-left: 32px;
    font-weight: 500;
}
.service-purpose-p1{
    position: absolute;
    font-size: 18px;
    color: #2686c0;
    top:-4px;
}
.service-purpose-p2{
    line-height: 147px;
    font-size: 60px;
    color: #dedede;

}
.service-purpose-p3{
    position: absolute;
    font-size: 18px;
    bottom: -3px;
    color: #343434;
}
.company-culture-right-p{
    color: #646466;
    line-height: 30px;
    font-size: 14px;
    margin-left: 35px;
    margin-top: 45px;
}
.position1{
    margin-top: 10px;
}
.position2{
    margin-top: 90px;
}