.about-block{
    background-color: #f5f5f5;
}
#index .about-box1{
    top: 0;
    margin-top: 20px;
}
.about-box1{
    width: 1000px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    background-color: #FFF;
    top: -50px;
    padding-bottom: 20px;
}
.about-title-box{
    text-align: center;
    width: 100%;
    padding: 50px 0;
}
.about-title-en{
    font-size: 24px;
    font-family: "Abel";
    display: inline-block;
    letter-spacing: 2px;
     transform: skewX(-8deg);
}
.about-title-ch{
    font-size: 14px;
    color: #555555;
    letter-spacing: 3px;
    display: inline-block;
    padding-left: 10px;
}
.about1-article-box{
    padding: 0 150px;
    box-sizing: border-box;
    letter-spacing: 1px;
    line-height: 2;
}
.about1-article-p{
    padding-bottom: 10px;
}
.about-article-line{
    width: 20px;
    height: 1px;
    background-color:#d8011d; 
}
.about-box2{
    padding-bottom: 100px;
}
.about1-article-p2{
    text-align: right;
    font-size: 18px;
    padding: 20px 0;
    color: #d8011d;
    font-weight: bold;
}
.about1-article-p2 span{
    display: inline-block;
    vertical-align: middle;
    font-weight: bold;
}
.about-box2-banner{
    width: 100%;
    height: 500px;
    display: block;
    position: relative;
}
.about-box2-title{
    font-size: 30px;
    color: #FFF;
    letter-spacing: 2px;
    text-shadow: rgba(0,0,0,1) 0px 0px 3px,rgba(0,0,0,1) 0px 0px 3px;
    width: 100%;
    text-align: center;
    position: absolute;
    left: 0;
    top: calc(50% - 24px);
}
.about-box2-article-box{
    width: 800px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    padding: 30px 50px;
    padding-top: 130px;
    box-sizing: border-box;
}
.about-box2-article{
    font-size: 16px;
    letter-spacing: 2px;
    line-height: 2;
    text-align: justify;
    margin-bottom: 20px;
}
.about-box2-article> span{
    display: block;
    margin-top: 10px;
    font-weight: bold;
    font-size: 18px;
}
.about-box3{
    width: 100%;
    display: block;
    position: relative;
}
.about-box3-banner{
    width: 50%;
    display: block;
    position: relative;
    height: 400px;
}

.about-box3-info-box{
    position: absolute;
    z-index: 2;
    width: 1200px;
    max-width: 100%;
    display: block;
    left: calc(50% - 620px);
    bottom: -25px;
}
.about-box3-info{
    width: 50%;
    max-width: 100%;
    display: block;
    position: relative;
    float: right;
    background-color: #FFF;
    padding: 20px 30px;
    box-sizing: border-box;
}
.about-box3-info-title{
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: bold;
    color: #f15a23;
    letter-spacing: 1px;
    display: inline-block;
    position: relative;
}
.about-box3-info-title:after{
    content: 'none';
    font-size: 0;
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: #f15a23;
    bottom: -1px;
    left: 0;
}
.about-box3-info-article{
    font-size: 14px;
    letter-spacing: 1px;
    line-height: 2;
    margin-bottom: 10px;
    color: #555;
}


.about-box4{
    width: 100%;
    display: block;
    padding: 130px 0;
}
.about-box4-title{
    font-size: 26px;
    letter-spacing: 2px;
    text-align: center;
    font-weight: bold;
    color: #555555;
}

.about-box4-line{
    width: 100px;
    display: block;
    margin: 30px auto;
    max-width: 100%;
    height: 1px;
    background-color: #555555;
}
.about-box4-article-box{
    width: 700px;
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

.about-box4-article{
    font-size: 16px;
    letter-spacing: 2px;
    line-height: 2;
    text-align: justify;
    margin-bottom: 20px;
}


.about-box4-p{
    margin-bottom: 20px;
    color: #f15a23;
    letter-spacing: 1px;
    font-size: 16px;
}
.about-box4-p2{
    font-size: 18px;
    text-align: right;
    font-weight: bold;
    color: #d8011d;
}
.about-box4-p2 span{
    font-weight: bold;
    display: inline-block;
    vertical-align: middle;
}
.about-box4-p-line{
    width: 20px;
    height: 1px;
    background-color: #d8011d;
}


@media only screen and (max-width: 1200px){
    .about-box1{
        width:750px; 
    }
    .about1-article-box{
        padding: 0 50px;
    }
    .about-box2-banner{
        height: 300px;
    }
    .about-box2-title{
        font-size: 26px;
    }
    .about-box3-info-box{
        width: 1000px;
        left: calc(50% - 500px);
    }
    .about-box2-article:last-child{
        margin-bottom: 0;
    }
}
@media only screen and (max-width: 1000px){
    .about-box2{
        padding-bottom: 50px;
    }
    .about-box2-article-box{
        padding-top: 80px;
    }
    .about-box3-banner{
        width: 100%;
    }
    .about-box3-info-box{
        width: 750px;
        position: relative;
        margin: 0 auto;
        left: 0;
        bottom: 20px;
    }
    .about-box3-info{
        width: 100%;
    }
}
@media only screen and (max-width: 750px){
    .about-box1,
    .about-box2-article-box,
    .about-box3-info-box{
        width: 80%;
    }
    .about-box4-article-box{
        width: 80%;
    }
}
@media only screen and (max-width: 550px){
    .about-box4-p2{
        font-size: 14px;
    }
    .about-box4-p-line{
        width: 15px;
    }
    .about1-article-box{
        padding: 0 10px;
    }
    .about-box2-article-box{
        padding:30px 10px;
    }
    .about-box3-info{
        padding: 20px;
    }
    .about-box4-title{
        font-size: 16px;
    }
    .about-box3-banner{
        height: 300px;
    }
    .cases-page-s-img-list{
        margin: 0 10px;
    }
    .about-article-line{
        width: 15px;
    }
    .about1-article-p2{
        font-size: 14px;
    }
}