main{
    width: 100%;
    background-color: #eceff3;
}

.material_80{
    width: 80vw;
    margin: 0 auto;
}

.mattitle{
    width: 100%;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
}

.mattitle img{
    width: 20px;
    margin-right: 10px;
}

.mattitle p{
    font-weight: bold;
}

/* body */
.mat_all{
    width: 100%;
    padding-bottom: 60px;
    flex-wrap: wrap;
}

/* 內容 */
.mat_body_all{
    width: 25%;
    margin-bottom: 30px;
}

.mat_0{
    width: 80%;
    text-align: center;
    margin: 0 auto;
}

.mat_0 p {
    width: 80%;
    font-size: 14px;
    margin: 0 auto;
    padding: 15px 0;
    letter-spacing: 4px;
    text-align: justify;
}
.mat_1 h3{
    font-size: 60px;
    color: #fff;
}

.mat_1{
    width: 12vw;
    height: 12vw;
    line-height: 12vw;
    border-radius: 50%;
    margin: 0 auto;
    text-align: center;
    background-color: #0098da;   
}

/* 版本尺寸 */
@media screen and (min-width: 1920px){}
@media (min-width:1366px) and (max-width:1920px){
    .mat_1 h3 {
        font-size: 48px;
    }
}
@media (min-width:1024px) and (max-width:1365px){
    .mat_1 h3 {
        font-size: 32px;
    }

    .mat_0 p {
        width: 100%;
        font-size: 14px;
    }
}
@media (min-width:768px) and (max-width:1023px){
    .mat_0 {
        text-align: left;
    }

    .mat_body_all {
        width: 33%;
    }

    .mat_1 h3 {
        font-size: 24px;
    }

    .mat_0 p {
        width: 100%;
        font-size: 10px;
        letter-spacing: 3px;
    }
}
@media (min-width:414px) and (max-width:767px){
    .mat_0 {
        text-align: left;
    }

    .mat_body_all {
        width: 50%;
    }

    .mat_1 {
        width: 20vw;
        height: 20vw;
        line-height: 20vw;
    }

    .mat_1 h3 {
        font-size: 24px;
    }

    .mat_0 p {
        width: 91%;
        font-size: 10px;
        letter-spacing: 2px;
    }
}

@media screen and (max-width: 413px){
    .mat_0 {
        text-align: left;
    }

    .mat_body_all {
        width: 50%;
    }

    .mat_1 {
        width: 33vw;
        height: 33vw;
        line-height: 33vw;
    }

    .mat_1 h3 {
        font-size: 19px;
    }

    .mat_0 p {
        width: 91%;
        font-size: 10px;
        letter-spacing: 2px;
    }
}