#index-active {
    color: #ffc600;
}

p{
    line-height: 20px;
    margin: 6px;
}

.intro-main {
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    align-content: center;
    justify-content: space-around;
}

.flex{
    width: 100%;

    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    align-content: center;
    justify-content: space-around;
}

.intro-achievements {
    max-width: 288px;
    text-align: center;
    box-shadow: 0 0 50px #999;
    margin: 0 auto 20px auto;
}

.achievements-title {
    white-space: wrap; /*禁止换行*/
    overflow: hidden; /*溢出截取*/
    text-overflow: ellipsis; /*省略超出部分*/
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    line-height: 22px;
}

.achievement-link {
    color: #000000;
}

.main-images {
    width: 100%;
    padding-bottom: 10px;
}

.abstract {
    padding: 2px 0px;
    text-align: justify;
    line-height: 22.5px;
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
}

.swiper-flex-R{
    margin: 0px auto;
    padding: 0 10px;
    text-align: justify;
    font-size: 16px;
    line-height: 25px;
    border-left: 5px solid #8c0000;
    padding-left: 10px;
}

/* responsive design */
@media screen and (min-width: 600px) {

    .flex{
        color: #8c0000; 
        text-align: center;
        font-size: 30px;
    }
    
    

}


@media screen and (min-width: 10px) {
    .flex{
        color: #8c0000; 
        text-align: center;
        font-size: 24px;
    }

    .div-flex{
        width: 100%;
        padding-left: 20px;
        float: left;
        font-size: 14px;
    }

    .swiper-flex-L{
        width: 100%;

    }

    .swiper-flex-R{
        width: 100%;
    }

    .intro{
        font-size: 14px;
        line-height: 20px;
    }

    .abstract{
        font-size: 14px;
    }

    .achievements-title{
        font-size: 16px;
    }
}

@media screen and (min-width: 720px) {

    .flex{
        color: #8c0000; 
        text-align: center;
        font-size: 36px;
    }

    .div-flex{
        width: 50%;
        padding-left: 20px;
        float: left;
        font-size: 16px;
    }

    .swiper-flex-L{
        width: 60%;

    }

    .swiper-flex-R{
        width: 30%;
    }

    .intro{
        font-size: 16px;
        line-height: 24px;
    }

    .abstract{
        font-size: 16px;
    }

    .achievements-title{
        font-size: 16px;
    }
}