html,body{
    width: 100%;
    margin: 0;
    padding: 0;
    background-color: #fff;
}
.marTech{
    max-width: 1200px;
    margin: 0 auto;
}

.sect1{
    background-color: #4483F4;
    color: #fff;
    text-align: center;
    padding-bottom: 6em;
}
.s1-title{
    font-size: 44px;
    line-height: 2;
    padding-top: 1em;
    color: #fff;
    font-weight: bold;
}
.s1-vtitle{
    font-size: 26px;
    line-height: 1.5;
    font-weight: bold;
    padding-bottom: 0.5em;
}

.s1-detail{
    margin: 0 auto;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    text-align: left;
    line-height: 2;
}
.s1-detail .cell{
    padding-left: 3em;
}
@media (max-width: 850px){
    .s1-detail .cell{
        width: 90%;
        padding-left: 2em;
    }
}
.s1-classTime{
    display: inline-block;
    font-size: 22px;    
    font-weight: bold;
    line-height: 2;
    border: 1px solid #000;
    border-radius: 2em;
    padding: 0 1.5em;
    margin-top: 1em;
    background-color: #FA8919;
    color: #000;
}


.sect2{
    color: #fff;
}
.s2-inner{
    width: 90%;
    margin: 0 auto;
    margin-top: -4em;
    background-color: #fff;
    border: 1px solid #000;
    border-radius: 20px;
    color: black;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    text-align: center;
}
.s2-inner .c1{
    max-width: 700px;
    display: flex;
    flex-direction: column;
    padding-right: 200px;
}
@media (max-width: 810px){
    .s2-inner .c1{
        padding-right: 0px;
    }
}
.s2-inner .c1 div{
    display: flex;
    justify-content: center;
    align-items: center;
}
.s2-inner .c1 .d1{
    height: 50px;
    justify-content: left;
}
.s2-inner .c1 .d1 .rise{
    background-color: #4483F4;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 18px;
    color: #fff;

}
.s2-inner .c1 span{
    font-size: 24px;
    border-radius: 32px;
    border: 1px solid #000;
    padding: 0.5em 1em;
    background-color: #FA8919;
    font-weight: bold;
    margin-bottom: 0.5em;
}
.s2-inner .c1 span s{
    font-size: 16px;
    font-weight: normal;
}
.s2-inner .c2{ 
    width: 200px;
}
.s2-inner .c2 .xet-qr{
    display: inline-block;
    background-color: #4483F4;
    padding: 1px 2px;
    border-radius: 3px;
    font-size: 18px;
    margin-top: 4px;
    margin-bottom: 4px;
    color: #fff;
}
.s2-inner .c2 img{
    width: 150px;
    height: 150px;
}



.sect3, .sect4, .sect5, .sect6, .sect7, .sect8{
    background-color: #fff;
    padding-bottom: 20px;
    padding-top: 10px;
    padding-left: 50px;
    padding-right: 50px;
}
@media (max-width: 810px){
    .sect3, .sect4, .sect5, .sect6, .sect7, .sect8{
        padding-left: 5px;
        padding-right: 5px;
    }
}
.sect-title{
    font-size: 28px;
    padding-top: 10px;
    text-align: center;
    font-weight: bold;
    text-shadow: -5px -5px 8px #2F4F4F;
    margin-bottom: 30px;
}
@media (max-width: 810px){
    .sect-title{
        font-size: 24px;
    }
}
.sect-title span{
    padding: 5px 25px 5px 28px;
    background-color: #4483F4;
    color: #fff;
    border-radius: 20px;
}


.boxCont{
    margin-top: 20px;
    background-color: #4483F4;
    padding: 20px;
    border-radius: 10px;
}

.sect3{
    border-radius: 10px 10px 0px 0px;
    padding-top: 35px;
}
.sect3 .s3-detail .cell{
    display: flex;
    flex-wrap: wrap;
    margin-top: 15px;
    margin-bottom: 15px;
}
.sect3 .s3-detail .cell div{
    flex: 1;
}
.sect3 .s3-detail .target-group{
    border-radius: 32px;
    border: 2px solid #4483F4;
    font-weight: bold;
    margin-left: 50px;
    margin-right: 50px;
    text-align: center;
    padding: 10px;
}
@media (max-width: 810px){
    .sect3 .s3-detail .cell div{
        display: flex;
        width: 300px;
        justify-content: center;
        align-items: center;
    }
    .sect3 .s3-detail .target-group{
        margin-left: 0px;
        margin-right: 0px;
        text-align: center;
        margin-top: 2px;
    }
}


.sect4 li{
    line-height: 1.5;
    font-weight: 500;
    color: #000;
    font-size: 16px;
}

.sect5 p{
    color: #000;
    font-size: 16px;
    font-weight: 500;
}
.sect5 p b{
    font-weight: bold;
    color: #000;
}


.sect6 h4{
    font-weight: bold;
    font-size: 1.2em;
    padding-top: 0.5em;
    padding-bottom: 0.5em;
}
.sect6 p{
    font-size: 16px;
    color: #000;
    font-weight: 500;
    line-height: 30px;
}
.sect6 .speaker{
    /* border: 1px solid black; */
    min-width: 300px;
}
.sect6 .speaker_pic{
    /* border: 1px solid black; */
    min-width: 300px;
    text-align: center;
}
.sect6 .speaker_pic img{
    /* border: 1px solid black; */
    width: 300px;
    height: 250px;
    max-width: none;
}
.sect6 .speaker_pic2 img{
    /* border: 1px solid black; */
    width: 350px;
    height: 280px;
    max-width: none;
    margin-top: 20px;
}

.sect6 .s6-1{
    margin-top: 50px;
    display: flex;
    flex-direction: row-reverse;
    flex-wrap: wrap;
}
.sect6 .s6-1 div{
    flex: 1;
}
.sect6 .s6-2{
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
}
.sect6 .s6-2 div{
    flex: 1;
}
@media (max-width: 970px){
    .sect6 .s6-2{
        margin-top: 0px;
    }
}


.sect7{
    line-height: 1.2;
}
.sect7 li, .sect7 p{
    padding-bottom: 5px;
    font-weight: 500;
    color: #000;
    font-size: 16px;
}
.sect7 .case_table{
    margin: 0 auto;
    max-width: 800px;
    margin-bottom: 30px;
}
.sect7 h2{
    font-weight: bold;
    font-size: 24px;
}
.sect7 h3{
    font-weight: bold;
    font-size: 20px;
}
.sect7 .lifeCase h3{
    text-align: center;
}
@media (max-width: 500px){
    .sect7 .lifeCase h3{
        text-align: left;
    }
}
.trr{
    overflow: hidden;
    padding-bottom: 5px;
}
.tdd{
    float: left;
    box-sizing: border-box;
    border: 2px solid #4483F4;
    border-right: none;
    border-bottom: none;
    padding-top: 5px;
    margin-bottom:-1000px !important;
    padding-bottom:1000px !important;
}

b{
    font-weight: 900;
}
.tdd:first-child{
    width: 160px;
    text-align: center;
    font-weight: bold;
}
.tdd:last-child{
    border-right: 2px solid #4483F4;
}
.trr:last-child{
    border-bottom: 2px solid #4483F4;
}
.wth80{
    width: 80%;
    padding-left: 20px;
    padding-right: 20px;
    line-height: 1.5;
}
@media (max-width: 992px){
    .tdd:first-child{
        width: 100%;
        border-right: 2px solid #4483F4;
    }
    .wth80{
        width: 100%;
    }
}

.useflex{
    display: flex;
}
.useflex > div{
    flex: 1;
}
.sect8{
    border-radius: 0px 0px 10px 10px;
}
.sect8 .useflex>div{
    padding: 10px;
    border: 2px solid #4483F4;
    margin-right: 10px;
    margin-top: 10px;
    border-radius: 7px;
}
@media (max-width: 810px){
    .sect8 .useflex{
        flex-wrap: wrap;
    }
    .sect8 .useflex div{
        flex: 100%;
        width: 100%;
    }
}
.voice_name{
    font-size: 22px;
}
.voice_title{
    margin-top: 3px;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: bold;
}

.vt1{
    margin-left: 13%;
}
.vt3{
    margin-left: 83%;
}

.sect9{
    text-align: center;
}
.sect9 h4{
    font-weight: bold;
    font-size: 1.2em;
    padding-top: 30px;
}
.sect9 .wechat-info{
    width: 200px;
    height: 200px;
    margin-top: 0px;
}

@media (max-width: 810px){
    .s1-title{
        font-size: 28px;
    }
    .s1-vtitle{
        font-size: 18px;
    }

}