.about1 {
    width: 100%;
    min-width: 1200px;
    letter-spacing: 2px;
}
.about_img {
    width: 100%;
}
.about_img>img {
    width: 100%;
}

.about1_content {
    margin: 80px auto 0;
    padding: 0 30px;
    width: 1200px;
}
.about1_introduce{
    margin-top: 30px;
    width: 100%;
}
.about1_introduce>img {
    width: 48%;
}
.about1_introduce_content {
    width: 48%;
}
.about1_introduce_one {
    width: 100%;
    margin-bottom: 20px;
}
.about1_introduce_one_title {
    /*margin-bottom: 20px;*/
    padding: 0 15px;
    border-left: 2px solid #2f70a6;
    font-size: 18px;
    font-weight: bold;
}
.about1_introduce_one_title2 {
    margin: 30px 0 20px;
    padding: 0 15px;
    border-left: 2px solid #2f70a6;
    font-size: 18px;
    font-weight: bold;
}
.about1_introduce_one_text{
    width: 100%;
    margin-top: 5px;
    font-size: 16px;
    text-indent: 2em;
    color: #666666;
    line-height: 30px;
}
.about1_introduce_one_text2{
    /*margin-top: 5px;*/
    font-size: 16px;
    color: #666666;
    line-height: 30px;
}
.about1_introduce_one_text2_2 {
    margin-top: 10px;
    font-size: 18px;
    color: #8ca7b4;
}
.about1_introduce_one_text2_2:hover {
    font-weight: bold;
    cursor: pointer;
}