.banner {
    width: 100%;
    height: 380px;
}
.banner img {
    width: 100%;
    height: 100%;
}

.mark-one {
    display: flex;
    margin-top: 50px;
    margin-bottom: 108px;
    justify-content: center;
}

.mark-one  .mark-one-left {
    position: relative;
    display: flex;
    align-items: center;

    margin-right: 51px;
}
.mark-one  .mark-one-left .mark-one-book-img{
    width: 535px;
    height: 340px;
 }
.mark-one  .mark-one-left .mark-one-content-img{
     width: 424px;
     height: 255px;

     position: absolute;
     top: 62px;
     left: 55px;
 }

.mark-one  .mark-one-right {
}

.mark-one  .mark-one-right .mark-one-right-one{
    font-size: 44px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #010101;
    text-align: right;
}

.mark-one  .mark-one-right .mark-one-right-two{
    font-size: 30px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #BFE5FF;
    text-align: right;
}

.mark-one  .mark-one-right .mark-one-right-three{
    width: 620px;

    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;

    margin: 43px 0;
    text-align: center;
}

.mark-one  .mark-one-right .mark-one-right-four {
    cursor: pointer;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #2F75A6;

    width: 241px;
    height: 46px;
    background: #FFFFFF;
    border: 2px solid #2F75A6;
    border-radius: 23px;

    text-align: center;
    line-height: 46px;

    margin-left: 39px;
}

.mark-two {
    margin-bottom: 116px;
}
.mark-two .mark-two-info,.mark-three .mark-two-info{
    display: flex;
    flex-direction: column;
    /* text-align: center; */
    align-items: center;
}
.mark-two .mark-two-info  span:first-child,.mark-three .mark-two-info span:first-child{
    font-size: 30px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #333333;
}
.mark-two .mark-two-info span:nth-last-child(2),.mark-three .mark-two-info span:nth-last-child(2){
    width: 60px;
    height: 3px;
    background: #7FCEF8;
    margin: 16px 0;
}
.mark-two .mark-two-info span:last-child,.mark-three .mark-two-info span:last-child{
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #999999;
}

.mark-two .mark-two-content {
    display: flex;
    justify-content: space-around;
    margin-top: 65px;

}
.mark-two .mark-two-content .mark-two-content-info{
    width: 548px;
}
.mark-two .mark-two-content .mark-two-content-info .title{
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #3E4D59;
}
.mark-two .mark-two-content .mark-two-content-info .title label{
    font-size: 34px;
    font-family: HYk2gj;
    font-weight: 400;
    color: #60BEF1;
}
.mark-two .mark-two-content .mark-two-content-info .info{
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #767676;

    margin: 26px 0 30px 0;
    padding-left: 40px;
}
.mark-two .mark-two-content .mark-two-content-info .more{
    width: 200px;
    height: 45px;
    background: #FFFFFF;
    border: 1px solid #2F75A6;
    border-radius: 23px;
    text-align: center;
    line-height: 45px;
    cursor: pointer;

    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #2F75A6;
    margin-left: 40px;

}

.mark-three {
    margin-bottom: 102px;
}
.mark-three .mark-three-content{
    width: 100%;
    margin: 108px 0 65px 0;
    position: relative;
}
.mark-three .mark-three-content .mark-three-input {
    width: 100%;
    height: 120px;
    display: flex;
    box-shadow: 3px 4px 16px 0px rgb(47 117 166 / 11%);
    border-radius: 30px;
    overflow: hidden;
    z-index: 10;
}

.mark-three .mark-three-content .mark-three-input input{
    border: none;
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    /*box-shadow: 3px 4px 16px 0px rgba(47,117,166,0.11);*/
    /*border-radius: 30px;*/
    padding-left: 46px;
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: 400;
}
.mark-three .mark-three-content .mark-three-input .mark-three-input-submit{
    background: rgba(0,181,255,1);
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    cursor: pointer;

    width: 192px;
    text-align: center;
    line-height: 121px;
}
.mark-three .mark-three-content .mark-three-input input::placeholder{
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #B2B2B2;
}
.mark-three .mark-three-content .mark-three-content-label {
    display: flex;
    position: absolute;
    top: -50px;
    z-index: -1;
}
.mark-three .mark-three-content .mark-three-content-label div{
    width: 268px;
    height: 89px;
    border-radius: 37px;
    background: #2F75A6;

    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;

    padding-top: 16px;
}
.mark-three .mark-three-star {
    display: flex;
    justify-content: space-between;
}
.mark-three .mark-three-star div{
    width: 392px;
    height: 239px;
    border-radius: 27px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.mark-three .mark-three-star span{
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;

    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 45px;
    background: rgba(0,0,0,0.5);
    text-align: center;

    line-height: 45px;
    letter-spacing: 10px;
}
.mark-three .mark-three-star div img{
    width: 100%;
    height: 100%;

}