body{
    margin: 0;
    overflow-x: hidden;
    font-family:-apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft Yahei', '微软雅黑', sans-serif;
}
header{
    background: rgba(34, 54, 91, 0.6);
    height: 100px;
    position: fixed;
    width: 100%;
}
.flex{
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.container{
    height: 100px;
    max-width: 1242px; 
    margin: auto;
}
.logo{
    padding-left: 12px;
    font-weight: bold;
    color: #FFFFFF;
}
ul{
    margin-block-start: 0;
    margin-block-end: 0;
    padding-inline-start: 0;
}
ul.menus li{
    float: left;
    margin-right: 80px;
    list-style: none;
    font-size: 24px;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #FFFFFF;
}
ul.menus li a{
    text-decoration: none;
    color: #FFFFFF;
}
.menu{
    cursor: pointer;
}
.menu.active,
.menu:hover{
    padding-bottom: 8px;
    border-bottom: 9px solid #005FFF;
}
.text-center{
    text-align: center;
}
.top{ 
    z-index: -1;
    position: relative;
}
img{
    max-width: 100%
}
#main{
    margin-bottom: 100px;
}
/* adv */
#adv .part1 {
    margin: auto;
    max-width: 1242px;
    padding-bottom: 126px;
}
h3{
    font-size: 48px;
    font-weight: 800;
    color: #222222;
    line-height: 48px;
    margin-block-start: 0;
    margin-block-end: 0;
}
p{
    line-height: 30px;
    margin-block-start: 0;
    margin-block-end: 0;
}

#adv p{
    margin-block-start: 1em;
    margin-block-end: 1em;
}
#adv .diversified-pricing-model{
    margin-bottom: 20px;
}
#adv .part2{
    background: #ECF3FF;
    padding-top: 100px;
    padding-bottom: 88px;
}
#adv .part2-container{
    max-width: 1242px;
    margin: auto;
}
#adv .box{
    margin-bottom: 84px;
    margin-right: 99px;
}
#adv .model{
    padding-left: 25px;
    font-size: 28px;
    font-weight: bold;
    color: #222222;
}
#adv .part3{
    margin: auto;
    max-width: 1242px;
    padding-top: 100px;
    padding-bottom: 100px;
}
#adv .we-provide{
    padding-left: 158px;
    color: #222222;
}


/* publisher */
#publisher{
    color: #222222;
}
#publisher .pub-container{
    max-width: 1242px; 
    margin: auto;
}
#publisher .box-pub{
    max-width: 318px;
}
#publisher .title{
    font-size: 28px;
    font-weight: 800;
    color: #222222;
    line-height: 1.0;
    margin-top: 20px;
    margin-bottom: 25px;
}
#publisher .sub-title{
    font-size: 20px;
    font-weight: 500;
    color: #222222;
    line-height: 28px;
}
#publisher .box img{
    max-width: 318px;
}



/* about */
#about .part1{
    max-width: 1242px; 
    margin: auto;
}
#about .part2{
    max-width: 1242px; 
    margin: auto;
    margin-bottom: 200px;
}
#about .part2 .part2-contaner{
    padding-left: 150px;
}
#about .about-container{
    margin-top: 60px;
    margin-bottom: 100px;
}
#about .about-box{
    width: 230px;
    height: 256px;
    display: flex;
    align-items: center;
    background: #ECF3FF;
    border-radius: 8px;
    padding: 20px;
    font-size: 20px;
    font-weight: 500;
    color: #222222;
    line-height: 28px;
}

/* contact */
#contact .container{   
    position: absolute;
    top: 250px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    box-sizing: border-box;;
    max-width: 1200px;
    height: 577px;
    background: #FFFFFF;
    box-shadow: 0px 10px 40px 0px rgba(0, 24, 59, 0.16);
    border-radius: 33px;
    padding: 40px 80px 58px 80px;
}
#contact .form-group{
    width: 45%;
}
#contact label,
#contact input{
    width: 100%;
}
#contact label{
    display: block;
    margin-bottom: 15px;
    font-size: 28px;
    font-weight: 800;
    color: #222222;
    line-height: 28px;
}
#contact input{
    display: block;
    margin-bottom: 30px;
    height: 60px;    
    border: 0;
    background: #ECF3FF;
    border-radius: 4px;    
    line-height: 60px;
    font-size: 16px;
}
#contact button{
    width: 340px;
    height: 66px;
    background: #005FFF;
    border-radius: 33px;
    box-shadow: none;
    border: 0;
    font-weight: 800;
    color: #FFFFFF;
    font-size: 28px;
    line-height: 28px;
}

#private .container{   
   
    width: 100%;
    box-sizing: border-box;;
    max-width: 1200px;
    height: 577px;
    background: #FFFFFF;
    box-shadow: 0px 10px 40px 0px rgba(0, 24, 59, 0.16);
    border-radius: 33px;
    padding: 40px 80px 58px 80px;
}


footer{
    width: 100%;
    padding: 100px 0;
    background: #22365B;
    border: 1px solid #979797;
    color: #FFFFFF;
    text-align: center;
}
footer a{
    color: white;
    text-decoration: none;

}
footer>p>a{
    color: white;
    text-decoration: none;

}