body{
    margin: 0;
    background: #ffffff;
}
.flex{
    display: flex;
    align-items: center;
}
.flex1{
    flex: 1;
}
.header{
    height: 77px;
    background: #ffffff;
}
.header .header-box{
    width: 60%;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333333;
    font-size: 16px;
}
.header .header-box img{
    width: 48px;
    height: 48px;
    margin-right: 10px;
}
.header .header-box .nav{
    margin-top: 10px;
}
.header .header-box .nav a{
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    padding: 0 15px;
    margin-left: 30px;
    font-size: 16px;
    color: #333333;
    text-decoration: none;
    margin-top: 5px;
}
.header .header-box .nav a:after{
    content:  " ";
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 100%;
    margin-top: 5px;
}
.header .header-box .nav a.active:after{
    background: #93dcfe;
}
.banner-box{
    width: 100%;
}
.banner-box img{
    width: 100%;
    height: auto;
}
.content-center{
    display: flex;
    align-items: center;
    width: 60%;
    margin: 40px auto;
}
.content-center .center-box{
    width: 50%;
}
.content-center .center-box .center-logo{
    display: flex;
    align-items: flex-start;
    font-size: 16px;
    color: #ffffff;
}
.content-center .center-box .center-logo img{
    margin-right: 10px;
}
.content-center .center-box .center-logo span{
    margin-top: 20px;
}
.content-center .center-box .jieshao{
    font-size: 14px;
    color: #333333;
    margin-bottom: 40px;
}
.content-center .center-box .jieshao h1{
    font-size: 16px;
    margin: 0;
    padding: 0;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}
.content-center .center-box .jieshao h1:before{
    content: " ";
    background: #93dcfe;
    width: 45px;
    height: 6px;
    position: absolute;
    z-index: -1;
    left: 0;
    top: 40%;
}
.content-center .center-box .jieshao p{
    margin: 0;
    padding: 0;
}
.content-center .right-box{
    width: 50%;
}
.content-center .right-box img{
    width: 100%;
    height: auto;
}
.bottom{
    height: 70px;
    line-height: 70px;
    color: #6d6a5f;
    text-align: center;
    background: #2f2e36;
}