.banner_title {
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
    text-align: center;
    line-height: 40px;
}

.banner_column {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.banner_bg {
    background-color: #fbfbfb;
}

.banner_i {
    width: 50px;
    height: 2px;
    background: #e7290f;
    display: block;
    margin: 20px 0;
}


.intro {
    background-image: url(../../images/2024_new/whitepaper/bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 50px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro_m {
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.intro_t {
    font-weight: 500;
    color: #333333;
    font-size: 28px;
    text-align: center;
}

.intro_child_t {
    margin-top: 20px;
    color: #333333;
    font-size: 24px;
    line-height: 32px;
    letter-spacing: 1px;
    text-align: center;
}

.intro_child_exp {
    width: 100%;
    margin-top: 24px;
    color: #333333;
    font-size: 14px;
    letter-spacing: 1px;
    text-align: justify;
    line-height: 22px;
}
.banner_title span {
    font-size: 24px;
}

.content_title {
    width: 100%;
    font-weight: 700;
    color: #666666;
    font-size: 16px;
    text-align: justify;
    line-height: 24px;
}

.content_main {
    margin-top: 20px;
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.content_exp {
    width: 100%;
    color: #666666;
    font-size: 16px;
    line-height: 24px;
    margin-top: 30px;
}
.content_img{
    width: 100%;
    margin-top: 24px;
}
.content_width{
    margin: 0 auto;
}

.evaluationmodel {
    padding: 50px 20px;
}
.classificationrequire{
    padding: 50px 20px;
    background:#f5f5f5;
}
.placementtest{
    padding: 50px 20px;
}
.cm{
    padding: 50px 20px;
    background:#F2F2F2;
}
.cm_title{
    width:100%;
    line-height:24px;
    color:#666666;
    font-size:14px;
    text-align:center; 
    line-height: 24px;
}
.cm img{
    width:100%;
    margin-top: 48px;
}
.km{
    padding: 50px 20px; 
}
.content_source_exp{
    color:#666666;
    font-size:16px;
    text-align:center;  
}
.edrms{
    padding: 50px 20px;
    background:#f5f5f5; 
}
.ecm{
    padding: 50px 20px;
}