.about_content {
    width: 100%;
    background: rgba(246, 246, 246, 1);
    padding: 20px 0 30px;
}

.about_content>div {
    width: 1200px;
    margin: 0 auto;
    padding: 40px 200px;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 1);
}

.about_title {
    font-size: 24px;
    font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
    font-weight: bold;
    color: rgba(10, 10, 10, 1);
    line-height: 30px;
    margin-bottom: 30px;
}

.about_title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 22px;
    background: rgba(218, 5, 2, 1);
    vertical-align: middle;
    margin-right: 14px;
}

.about_article {
    width: 100%;
    height: auto;
    font-size: 14px;
    font-family: MicrosoftYaHei;
    color: rgba(43, 43, 43, 1);
    line-height: 30px;
    word-wrap: break-word;
    overflow: hidden;
}
.about_article img{
    max-width: 100% !important;
    height: auto !important;
}



/* ·þÎñtab°´Å¥ */
.service_nav_box{
    /* width: 638px; */
    overflow: hidden;
    display: block;
}
.service_nav {
    font-size: 16px;
    font-family: MicrosoftYaHei;
    color: rgba(43, 43, 43, 1);
    /* margin-left: 51px; */
    transition: opacity 1s ease;
}

.service_nav>li {
    display: table-cell;
    white-space: nowrap;
    padding: 0 20px;
}
.service_nav>li>a{
    cursor: pointer;
}

.service_nav>li>a:hover {
    color: rgba(218, 5, 2, 1);
}
.service_nav_box i{
    padding: 9px;
    box-sizing: border-box;
    background:rgba(255,255,255,1);
    border: 1px solid rgba(238,238,238,1);
    color: #999999;
    border-radius: 50%;
    z-index: 100;
    cursor: pointer;
}
.service_nav_box i:hover{
    background:#999999;
    border: 1px solid transparent;
    color: rgba(255,255,255,1);
    border-radius: 50%;
    z-index: 100;
    cursor: pointer;
}
.pre_btn>i{
    /* margin-right: 15px; */
    margin-right: -5px;
}
.next_btn>i{
    /* margin-left: 15px; */
    margin-left: -5px;
}
.service_nav_box .btn_active{
    opacity: 0;
}


.service_content {
    width: 100%;
    background: rgba(246, 246, 246, 1);
    padding: 20px 0 30px;
}

.service_content>div {
    width: 1200px;
    margin: 0 auto;
    padding: 40px 30px 10px;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 1);
    overflow: hidden;
}

.service_title {
    font-size: 26px;
    font-family: MicrosoftYaHei;
    color: #333333;
    line-height: 35px;
    margin: 0 auto;
    width: 156px;
    position: relative;
    margin-bottom: 34px;
}

.service_title::before {
    display: inline-block;
    width: 120px;
    height: 1px;
    background: linear-gradient(270deg, rgba(238, 238, 238, 0) 0%, #333333 100%);
    content: '';
    position: absolute;
    top: 50%;
    right: -144px;
    transform: translateY(-50%);
}

.service_title::after {
    display: inline-block;
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, rgba(238, 238, 238, 0) 0%, #333333 100%);
    content: '';
    position: absolute;
    top: 50%;
    left: -144px;
    transform: translateY(-50%);
}

.service_btn_box>li {
    width: 204px;
    /* height: 204px; */
    font-size: 20px;
    font-family: MicrosoftYaHei;
    color: #2B2B2B;
    line-height: 26px;
    text-align: center;
    background: #F6F6F6;
    border-radius: 2px;
    padding: 61px 0;
    cursor: pointer;
    margin: 0 30px 30px 0;
}

.service_btn_box>li:nth-child(5n+5) {
    margin-right: 0px;
}

.service_btn_box>li>i {
    font-size: 34px;
    font-family: MicrosoftYaHei;
    color: rgba(218, 5, 2, 1);
    line-height: 34px;
}

.service_btn_box>li>p {
    margin-top: 20px;
}
.service_btn_box>li:hover {
    background: rgba(218, 5, 2, 1);
    color: rgba(255, 255, 255, 1);
}
.service_btn_box>li:hover>i {
    color: rgba(255, 255, 255, 1);
}