.back{
    width: 100%;
    height: 5rem;
    background: url(../imgs/about/bj_one.png) no-repeat;
    background-size: 100% 100%;
    position: relative;
}
.back .tit{
    position: absolute;
    width: 100%;
    text-align: center;
    top: 2rem;
    left: 0;
    font-size: 0.7rem;
    font-family: Microsoft YaHei-Bold, Microsoft YaHei;
    font-weight: bold;
    color: #FFFFFF;
}
.text_about{
    width: 100%;
    background: url(../imgs/about/bj_two.png) no-repeat;
    background-size: 100% 100%;
}
.center_about{
    flex-direction: column;
    padding: 0.8rem 0 1.58rem;
    /* box-sizing: border-box; */
}
.top_about{
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.15rem;
}
.left{
    position: relative;
    width: 5.8rem;
    margin-bottom: 0.98rem;
}
.left h3{
    font-size: 0.3rem;
    font-family: Microsoft YaHei-Bold, Microsoft YaHei;
    font-weight: bold;
    color: #333333;
    margin-bottom: 0.7rem;
}
.underline{
    width: 0.4rem;
    height: 0.03rem;
    background: #134290;
    position: absolute;
    left: 0;
    top: .5rem;
}
.left p{
    font-size: 0.16rem;
    font-family: Microsoft YaHei-Regular, Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    line-height: 0.3rem;
    margin-bottom: .4rem;
}
.right{
    width: 7.8rem;
    height: 5.5rem;
    margin-top: 0.95rem;
    position: relative;
    overflow: hidden;
}
.right img{
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    animation: donghua 1s linear;
}
@keyframes donghua {
    0%{bottom: -6rem;}
    100%{bottom: 0;}
}
.bottom_about{
    display: flex;
    height: 1.1rem;
}
.bottom_about >div{
    position: relative;
}
.bottom_about >div::after{
    content: '';
    width: 0.01rem;
    height: 0.93rem;
    background: #BEBEBE;
    position: absolute;
    right: 0;
    top: 0.13rem;
}
.bottom_about >div:last-child::after{
    display: none;
}
.bottom_about .box{
    float: left;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.bottom_about div:first-child .box{
    left: 0;
    transform: translateX(0%);
}
.bottom_about div:last-child .box{
    left: auto;
    right: 0.2rem;
    transform: translateX(0%);
}
.bottom_about div p{
    font-size: 0.16rem;
    font-family: Microsoft YaHei-Regular, Microsoft YaHei;
    font-weight: 400;
    color: #134290;
    text-align: center;
    white-space: nowrap;
}
.bottom_about div b{
    font-size: 0.66rem;
    font-family: Microsoft YaHei-Bold, Microsoft YaHei;
    font-weight: bold;
    color: #134290;
}
.bottom_about div p:last-child{
    font-size: 0.16rem;
    font-family: Microsoft YaHei-Regular, Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    text-align: left;
}   






@media only screen and (max-width: 1024px){
    .back {
        margin-top: 50px;
        height: 2.5rem;
    }
    .back .tit{
        font-size: 18px;
        top: 50%;
        transform: translateY(-50%);
    }
    .center,
    .f_right_box,
    .f_right_box div{
        width: 100%;
        padding: 15px;
        box-sizing: border-box;
        flex-wrap: wrap;
    }
    .top_about{
        width: 100%;
        flex-direction: column;
    }
    .left{
        width: 100%;
        margin-bottom: 15px;
    }
    .left h3{
        font-size: 14px;
    }
    .left p{
        font-size: 12px;
        line-height: 1.5;
    }
    .right{
        margin-top: 15px;
        width: 100%;
    }
    .right img{
        width: 100%;
        height: auto;
    }
    .bottom_about{
        width: 100%;
    }
    .bottom_about div b{
        font-size: 16px;
    }
    .bottom_about div p{
        font-size: 14px;
    }
    .bottom_about div:first-child .box,
    .bottom_about div:last-child .box{
        left: 50%;
        transform: translateX(-50%);
    }
    .bottom_about >div{
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .bottom_about div p:last-child{
        font-size: 12px;
    }
}