.about-title{
    margin: 3% auto;
    text-align: center;
}
.about-title strong{
    font-size:36px;
    line-height:40px;
    color: #c7c7c7;
    text-transform: uppercase;
}
.about-title h3{
    font-size: 40px;
    line-height: 50px;
    font-weight: bold;
    color: #060e23;
}
.about-top-h{
    margin: 3% auto;
}
.about-top-fl{
    width:63%;
}
.about-top-fl b{
    font-size: 40px;
    line-height: 50px;
    color: #cccccc;
}
.about-top-fl h3{
    font-size: 50px;
    line-height: 70px;
    margin: 3% auto;
    font-weight: bold;
    color: #000518;
}
.about-culture ul li span p,
.about-top-fl ul li small,
.about-top-fl p,
.about-top-fl font{
    font-size: 20px;
    line-height: 40px;
    color: #1b4e94;
}
.about-top-fl p{
    color: #616161;
    margin:5% auto;
}
.about-top-fl ul{
    margin-bottom:5%;
}
.about-top-fl ul li{
    width:33%;
    float: left;
    overflow: hidden;
}
.about-top-fl ul li strong{
    font-size:40px;
    line-height:40px;
    font-weight: bold;
    display: block;
    color: #fb8605;
}
.about-top-fl ul li hr{
    width:32%;
    height:1px;
    margin:20px 0px;
    background-color: #a7abac;
}
.about-top-fl ul li small{
    color: #636363;
}
.about-top-fl a{
    font-size: 18px;
    line-height:20px;
    padding: 6px 16px;
    color: #1b4e94;
    margin-right: 20px;
    border-radius: 20px;
    border: 1px solid #1b4e94;
    animation: tada 5s infinite;
}
.about-top-fl a:nth-of-type(2){
    background-color: #1b4e94;
    color: #fff;
}
.about-bottom{
    margin: 3% auto;
}
.about-bottom>figure{
    width:17.2%;
    float: left;
}
.about-bottom ul{
    width: 81.8%;
    float: right;
}
.about-bottom ul li{
    width: 49%;
    float: left;
    margin-bottom: 2%;
}
.about-bottom ul li:nth-of-type(1){
    margin-right: 2%;
}
.about-bottom ul li:nth-of-type(3){
    width: 100%;
    margin-bottom: 0%;
}

.about-culture{
    background-color:#f2f2f2;
}
.about-culture ul{
    margin: 0% auto 3%;
}
.about-culture ul li{
    position: relative;
    float: left;
    margin: 0% 1% 1% 0%;
    height: auto;
    display: table;
}
.about-culture ul li:nth-of-type(2),
.about-culture ul li:nth-of-type(4){
    margin-right: 0%;
}
.about-culture ul li:nth-of-type(1),
.about-culture ul li:nth-of-type(4){
    width:63%;
}
.about-culture ul li:nth-of-type(3),
.about-culture ul li:nth-of-type(2){
    width: 36%;
}
.about-culture ul li span{
    display: block;
    position: absolute;
    height: 100%;
    left: 0%;
    top: 0%;
    padding:10% 3% 3%;
    color: #fff;
    letter-spacing: 2px;
    box-sizing: border-box;
    background: linear-gradient(to left, #ffffff00 20%, #1b4e94 80%);
}
.about-culture ul li:nth-of-type(3) span,
.about-culture ul li:nth-of-type(2) span{
    padding-top: 16%;
}
.about-culture ul li:nth-of-type(3) span{
    background: unset;
}
.about-culture ul li span strong{
    display: block;
    font-size: 32px;
    line-height: 60px;
    font-weight: bold;
    margin: 3% auto;
}
.about-culture ul li span p{
    color: #fff;
}
.about-life{
    position: relative;
    height:800px;
    background-color: #fff;
}
.about-life>.about-title{
    position: absolute;
    top:3%;
    right: 11%;
    z-index: 3;
}
.about-life figure{
    width: 65%;
    float:left;
    height: 800px;
}
.about-life-fr{
    width: 33%;
    float: left;
    height: 100%;
    margin-left: -8%;
    background: url(../images/about_life_fr_03.png) no-repeat;
    background-size: 100% 100%;
}


.about-life .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .about-life  .swiper-pagination-vertical.swiper-pagination-bullets, 
  .about-life .swiper-vertical>.swiper-pagination-bullets{
    width: 30%;
    top: 64%;
    height: 55%;
  }
  .about-life .swiper-pagination-bullet{
      position: relative;
      width:30px;
      height:30px;
      border: 1px solid #999;
      opacity: 1;
      background-color: #fff;
  }
  .about-life .swiper-pagination-bullet::after{
      position: absolute;
      left:25%;
      top: 25%;
      width:50%;
      height:50%;
      content: "";
      border-radius: 50%;
      background-color: #1b4e946d;
  }
  .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(1){
    margin-top:0%;
    margin-left:-1%;
}
  .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(2){
      margin-top: 20%;
      margin-left: 15%;
  }
  .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(3){
    margin-top: 19%;
    margin-left: -2%;
}
.about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4){
    margin-top:6%;
    margin-left: 27%;
}
.about-life .swiper-pagination-vertical.swiper-pagination-bullets span::before{
    font-size: 26px;
    line-height: 30px;
    color: #333;
    position: absolute;
    left: 140%;
    top: -20%;
    height: 30px;
    width: 184px;
    text-align: left;
}
.about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(1)::before{
    content: "跳绳比赛";
}
.about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(2)::before{
    content: "员工节日福利";
}
.about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(3)::before{
    content: "新春集体活动";
}
.about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4)::before{
    content: "中煤拔河比赛";
}
.about-life .swiper-pagination-bullet-active{
    border:4px solid #1b4e94;
}
.about-life .swiper-pagination-bullet-active::after{
    background-color: #fff;
}

.about-culture ul li figure,
.about-bottom ul li figure{
    width: 100%;
}
.about-culture ul li,
.about-culture ul li figure,
.about-bottom>figure,
.about-bottom ul li figure{
    position: relative;
    overflow: hidden;
    border-radius:8px;
}
.about-bottom>figure figcaption,
.about-bottom ul li figure figcaption{
    position: absolute;
    left: 0%;
    bottom: 0%;
    font-size: 20px;
    line-height: 20px;
    color: #fff;
    padding: 6px 16px;
    background-color: #fb8605;
}
.about-culture ul li figure img,
.about-bottom figure img,
.about-bottom ul li figure img{
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 1s;
}
.about-bottom figure:hover img,
.about-bottom ul li:hover figure img{
    transform: scale(1.3);
}
.about-culture ul li:hover figure img{
    margin-left: 20%;
}
.about-culture ul li:nth-of-type(3):hover figure img{
    margin-left: 0%;
}



@media screen and (max-width:1700px){
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4) {
        margin-top:10%;
    }
}
@media screen and (max-width:1700px){
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4) {
        margin-top: 18%;
    }
}
@media screen and (min-width:1400px){
    .about-top{
        background: url(../images/about_bg_01.jpg) no-repeat;
        background-size: 100% 100%;
    }
}

@media screen and (max-width:1400px){
    .about-top{
        background: url(../images/about_bg_01.jpg) no-repeat 63% 0%;
        background-size: auto 100%;
    }
    .about-life-fr{
        width: 45%;
        margin-left: -11%;
    }
    .about-life>.about-title{
        right: 2%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(1) {
        margin-left: 4%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(2) {
        margin-top: 29%;
        margin-left: 27%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(3) {
        margin-top: 24%;
        margin-left: 3%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4) {
        margin-top: 10%;
        margin-left: 42%;
    }
}
@media screen and (min-width:1200px){
    
}

@media screen and (max-width:1200px){
    .about-top-fl h3{
        font-size: 40px;
        line-height: 50px;
    }
    .about-title strong,
    .about-culture ul li span strong,
    .about-top-fl b{
        font-size: 30px;
        line-height: 30px;
    }
    .about-bottom>figure figcaption, 
    .about-bottom ul li figure figcaption,
    .about-culture ul li span p,
    .about-top-fl ul li small, 
    .about-top-fl p, 
    .about-top-fl font {
        font-size: 18px;
        line-height: 36px;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4) {
        margin-top: 19%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(3) {
        margin-top: 28%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span::before {
        font-size: 22px;
        line-height: 35px;
        top: -24%;
        width: 146px;
    }

}

@media screen and (min-width:992px){
    
}

@media screen and (max-width:992px){
    .about-top{
        background:url(../images/index_strenght.jpg) no-repeat bottom;
        background-size:auto 100%;
    }
    .about-top-fl{
        width: 100%;
    }
    .about-top-fl h3{
        margin: 16px auto;
    }
    .about-top-fl p{
        margin: 20px auto;
    }
    .about-title,
    .about-top-h{
        margin: 30px auto;
    }
    .about-culture ul{
        margin-bottom: 3%;
    }
    .about-culture ul li span strong{
        font-size: 26px;
    }
    .about-life figure,
    .about-life{
        height: 600px;
    }
    .about-life-fr{
        margin-left: -15%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets, 
    .about-life .swiper-vertical>.swiper-pagination-bullets{
        width: 34%;
    }
    .about-life .swiper-pagination-bullet{
        width: 25px;
        height: 25px;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(2) {
        margin-top: 24%;
        margin-left: 25%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(3) {
        margin-top: 24%;
        margin-left: 3%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4) {
        margin-top:15%;
        margin-left: 38%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span::before{
        font-size: 18px;
    }
}
@media screen and (min-width:768px){
    
}

@media screen and (max-width:768px){
    .about-title h3,
    .about-top-fl h3 {
        font-size: 30px;
        line-height:40px;
    }
    .about-bottom>figure{
        display: none;
    }
    .about-bottom ul,
    .about-culture ul li:nth-of-type(1), 
    .about-culture ul li:nth-of-type(4){
        float: none;
        width: 100%;
        margin-right: 0%;
    }
    .about-culture ul li:nth-of-type(3), 
    .about-culture ul li:nth-of-type(2){
        width: 49.5%;
        margin-right: 1%;
    }
    .about-culture ul li:nth-of-type(3){
        margin-right: 0%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span::before {
        font-size: 16px;
    }
    .about-life figure, .about-life {
        height: 430px;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(3) {
        margin-top: 15%;
        margin-left: 3%;
    }
    .about-life .swiper-pagination-vertical.swiper-pagination-bullets span:nth-of-type(4) {
        margin-top: 5%;
        margin-left: 38%;
    }
}
@media screen and (min-width:640px){
    
}

@media screen and (max-width:640px){
    .about-life{
        display: none;
    }
}

@media screen and (min-width:560px){
    
}

@media screen and (max-width:560px){
    .about-title strong{
        font-size: 26px;
        line-height: 30px;
    }
    .about-bottom>figure figcaption, 
    .about-bottom ul li figure figcaption,
    .about-culture ul li span p,
    .about-top-fl ul li small, 
    .about-top-fl p, .about-top-fl font {
        font-size: 16px;
        line-height: 32px;
    }
    .about-top-fl h3 {
        margin: 10px auto;
    }
    .about-top-fl a{
        font-size: 16px;
        line-height: 16px;
    }
    .about-top-fl ul li hr{
        margin: 10px 0px;
    }
    .about-top-fl ul li strong{
        font-size: 30px;
        line-height: 30px;
    }
    .about-top-fl font{
        display: none;
    }
}

@media screen and (min-width:480px){
    
}

@media screen and (max-width:480px){
    .about-culture ul li:nth-of-type(3), 
    .about-culture ul li:nth-of-type(2){
        width: 100%;
        margin-right: 0%;
    }
    .about-culture ul li figure{
        height:200px;
    }
    .about-culture ul li span{
        padding-top: 8% !important;
    }
}

@media screen and (min-width:380px){
    
}

@media screen and (max-width:380px){
    .about-top-fl ul li:nth-of-type(3){
        display: none;
    }
    .about-top-fl ul li{
        width: 50%;
    }
    .about-top-fl p{
        margin-top: 10px;
    }
}

@media screen and (min-width:360px){
    
}

@media screen and (max-width:360px){
    
}