.sub .visual {
    width:100%;
    height:550px;
    position:relative;
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
    display: flex;align-items: flex-end;
    justify-content: flex-start;
}
.sub .visual::after {
    content:'';
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background-color:rgba(0,0,0,0.3);
}
#company .visual{
    background-image: url("../img/sub/top_banner1.jpg");
}
#business2 .visual{
    background-image: url("../img/sub/조선4.jpg");
}
#business1 .visual{
    background-image: url("../img/sub/배너5.jpg");
}
#history .visual{
    background-image: url("../img/sub/가스9.jpg");
}


.visual .text_box {
    position:absolute;
    top:59%;
    left:50%;
    transform:translate(-50%, -50%);
    text-align:center;
    z-index:9;
    width:100%;
}
.visual .text_box h2 {
    font-size:4em;
    font-weight:bold;
    color:#333;
    color:#fff;
}

.visual .text_box p {
    font-size:2.5em;
    font-weight:400;
    color:#333;
    padding-top:5px;
    color:#f6f6f6;
}
.visual .sub-tit{
    width:1240px;
    margin:0 auto;
    padding-bottom: 20px;
    z-index: 999;
}
.visual .sub-tit p{
    font-size: 16px;
    color:#fff;
}

@media screen and (max-width:900px) {
    .sub .visual{
        height: 370px;
    }
    .visual .text_box h2{
        font-size: 30px;
    }
    .visual .text_box p{
        text-align: center;
        font-size: 17px;
        width:75%;
        word-break: keep-all;
        margin:0 auto;
        line-height: 1.3;
    }
}
@media screen and (max-width:600px) {
    .visual .text_box p{
        width:90%;
    }
}

/* visual end */


/* company start */
#company .sec1-inner{
    width:1240px;margin:0 auto;
    padding:10em 0;
}
#company .sec1-inner dl dt{
    font-size: 40px;
    font-weight: 600;
    line-height: 1.2;
}
#company .sec1-inner dl dd{
    font-size: 20px;
    line-height: 1.3;
    margin-top:25px;
    color:#666;
    word-break: keep-all;
    width:80%;
}
#company .sec1-contents{
    width:100%;
    height: auto;
}
#company .sec1-contents .img-wrap{
    width:100%;
    background-color: #333;
    position: relative;
}
#company .sec1-contents .img-wrap img{
    width:100%;
}
#company .sec1-contents .img-wrap::after{
    content:"";
    width:100%;height: 100%;
    position: absolute;top:0;left: 0;
    background-color: rgba(0,0,0,0.2);
}
#company .sec1-contents .img-wrap p{
    font-size: 25px;
    font-weight: 600;
    color:#ffffff94;
    position: absolute;
    bottom: 10px;right:10px;
    z-index: 999;
    
}

#company .sec2-inner{
    width:1240px;margin:0 auto;
}
#company .sec2-tp{
    width:100%;
    padding-bottom: 10em;
    position: relative;
    display: flex;
    justify-content: space-between;
}
#company .sec2-tp::after{
    position: absolute;bottom: 0;left:0;
    content:"";
    width:100%;height: 1px;
    background-color: #ddd;
}
#company .sec2-tp h4{
    font-size: 40px;
    line-height: 1.2;
    width:25%;
}
#company .sec2-list-wrap{
    display: flex;
    width:70%;
    display: flex;align-items: flex-start;justify-content: space-between;
}

#company .sec2-list dt{
    font-size:30px;
    font-weight: 600;
    line-height: 1;
    margin-bottom: 45px;
}
#company .sec2-list dd{
    font-size: 16px;
    color:#666;
    margin-top:6px;
}


#company .sec3-inner{
    width:1240px;
    margin:0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding:65px 0px 10em 0;
}

#company .sec3-inner .sec3-lt{
    width:45%;
}
#company .sec3-lt h3{
    font-size: 42px;
}
#company .sec3-lt ul{
    width:100%;
    margin-top:65px;
}
#company .sec3-inner ul li{
    padding:25px 10px;
    border-top:1px solid #ddd;
}
#company .sec3-inner ul li:last-child{
    border-bottom: 1px solid #ddd;;
}
#company .sec3-inner ul li dl{
     font-size: 16px;
     line-height: 1.3;
     cursor: pointer;
}
#company .sec3-inner ul li dl dt{
    font-size: 23px;
    display: flex;align-items: center;
    justify-content: space-between;
    font-weight: 500;
}
#company .sec3-lt ul li dt span{
    font-size: 30px;
    font-weight: 100;
    color:#666;
    transition: .5s ease;
}
#company .sec3-inner ul li dl dd{
    margin-top:15px;
    display: none;
    color:#666;;
    font-size: 17px;
}
#company .sec3-inner ul li.on dd{
    display: block;
}
#company .sec3-inner ul li.on dt span,
#company .sec3-inner ul li.active dt span{
    transform: rotate(180deg);
}
#company .sec3-inner ul li.active dt,
#company .sec3-inner ul li.on dt{
    color:#005890;
}
#company .sec3-inner ul li.active{
    pointer-events: none;
}

#company .sec3-inner .sec3-img{
    width:50%;
}
#company .sec3-inner .sec3-img img{
    width:100%;
}

#company .sec3-inner ul li dl:hover dt{
    color:#005890;
}

@media screen and (max-width:1340px) {
    #company .sec1-inner{
        width:90%;
    }
    #company .sec2-inner{
        width:90%;
    }
    #company .sec3-inner{
        width:90%;
    }
}
@media screen and (max-width:1240px) {
    #company .sec2-tp h4{
        font-size: 30px;
    }
    #company .sec2-list dt{
        font-size: 20px;;
        margin-bottom: 25px;
    }
    #company .sec3-lt h3{
        font-size: 35px;
    }
    #company .sec3-inner ul li dl dt{
        font-size: 20px;
    }
    #company .sec3-inner{
        align-items: flex-start;
    }
    #company .sec3-lt ul{
        margin-top:35px;
    }
    #company .sec3-inner ul li{
        padding:15px 10px;
    }
    #company .sec3-inner ul li dl dd{
        font-size: 16px;
        word-break: keep-all;
    }
    #company .sec3-inner ul li.on dd br{
        display: none;
    }
}
@media screen and (max-width:900px) {
    #company .sec2-tp{
        justify-content: space-between;
        padding-bottom: 70px;
        flex-flow:row wrap;
    }
    #company .sec2-list:last-child{
        margin-bottom: 0;
    }
    #company .sec2-tp h4{
        width:auto;
        font-size: 40px;
    }
    #company .sec2-list-wrap{
        width:100%;
        flex-flow: row wrap;
        align-content: flex-start;
        margin-top:30px;text-align: right;
    }
    #company .sec2-list{
        width:100%;
        margin-bottom: 40px;
    }
    #company .sec2-list dt{
        margin-bottom: 15px;
        font-size: 30px;
        font-weight: 500;
    }
    #company .sec2-list dt br{
        display: none;
    }
    #company .sec3-inner{
        flex-flow: row wrap;
    }
    #company .sec3-inner .sec3-lt{
        width:100%;
    }
    #company .sec3-inner .sec3-img{
        width:100%;
        margin-top:25px;
    }

    #company .sec1-contents .img-wrap p{
        font-size: 16px;
    }
}
@media screen and (max-width:600px) {

    #company .sec1-contents .img-wrap{
        height: 360px;
        background-image: url("../img/건설3.jpg");
        background-position: center;
        background-size: cover;
        display: none;
    }
    #company .sec1-contents .img-wrap img{
        display: none;
    }

    #company .sec3-lt h3{
        font-size: 27px;
    }
    #company .sec3-inner ul li dl dd br{
        display: none;
    }
    #company .sec2-list-wrap{
        text-align: center;
        margin-top:54px
    }
    #company .sec2-tp{
        display: block !important;
        text-align: center !important;
    }
    #company .sec2-tp h4{
        font-size: 25px;
    }
    #company .sec2-list dt{
        font-size: 23px;
    }
    #company .sec1-inner{
        padding-bottom: 50px;
    }
}

/* company end */

/* business1 start */
#business1 .sec1{
}
#business1 .sec1-inner{
    width:1240px;
    margin:0 auto;
    padding:10em 0;
}
#business1 .sec1-tit h3{
    text-align: center;
    font-size: 52px;
}
#business1 .sec1-contents{
    margin-top:120px;
    width:100%;
    height: auto;
    position: relative;
    display: flex;
    justify-content: space-between;
}

#business1 .sec1-lt{
    width:30%;
    position: absolute;
    top:0;left:0;
}
#business1 .sec1-lt.fixed{
    position: fixed;
    left:auto;
    top:10%;
}
#business1 .sec1-lt h5{
    font-weight: 400;
    font-size: 20px;
}
#business1 .sec1-lt ul{
    margin-top:100px;
}
#business1 .sec1-lt ul li{
    font-size: 20px;
    margin-top:20px;
    display: flex;align-items: center;
    justify-content: flex-start;
}
#business1 .sec1-lt ul li .line{
    width:0px;height: 2px;background-color: #005890;
}
#business1 .sec1-lt ul li.on .line{
    width:25px;
    margin-right: 20px;
}
#business1 .sec1-lt ul li.on a{
    color:#005890;
    font-weight: 600;
}
#business1 .sec1-lt ul li a{
    color:#666;
    font-weight: 500;
    display: inline-block;
}

#business1 .sec1-rt{
    width:67%;
    float: right;
}
#business1 .sec1-rt ul li:not(:first-child){
    padding-top:200px
}
#business1 .sec1-rt .img-box{
    width:100%;
    position: relative;
}
#business1 .sec1-rt .img-box img{
    width:100%;
}
#business1 .sec1-rt .img-box dl{
    position: absolute;
    bottom: 10%;
    left:0%;
    width:100%;
    transform: translateX(-15%);
}
#business1 .sec1-rt .img-box dt{
    font-size: 20px;
    font-weight: 600;
    padding-left: 7px;
}
#business1 .sec1-rt .img-box dd::before{
    content:attr(data-split);
    position: absolute;
    top:0;left: 0;
    width:15%;
    overflow: hidden;
    color:#000;
}
#business1 .sec1-rt .img-box dd{
    font-size: 90px;
    font-weight: 600;
    position: relative;
    text-transform: uppercase;
    white-space: nowrap;
    color:#fff;
}
#business1 .business-con .busi-info{
    font-size: 20px;
    line-height: 1.3;
    margin-top:35px;
    display: flex;
    width:100%;
    align-items: flex-start;
    justify-content: space-between;
}
#business1 .business-con .busi-info dt{
    font-size: 35px;
    font-weight: 600;
}
#business1 .business-con .mo-a{
    display: none;
}
@media screen and (max-width:1340px) {
    #business1 .sec1-inner{
        width:95%;
    }
    #business1 .sec1-tit h3{
        font-size: 42px;
    }
    #business1 .sec1-rt{
        width:67%;
    }
    #business1 .sec1-rt .img-box dd{
        font-size: 50px;
    }
    #business1 .sec1-rt .img-box dl{
        transform: translateX(-9%);
    }
    #business1 .sec1-rt .img-box dd::before{
        widtH:9%;
    }
    #business1 .business-con .busi-info dt{
        font-size: 30px;
    }
    #business1 .business-con .busi-info{
        font-size: 17px;
    }
    #business1 .sec1-lt ul{
        margin-top:60px;
    }
    #business1 .sec1-lt ul li{
        font-size: 17px;
        margin-top:10px;
    }
}

@media screen and (max-width:1000px) {
    #business1 .sec1-inner{
        width:100%;
    }
    #business1 .sec1-tit h3{
        font-size: 35px;
    }
    #business1 .sec1-lt{
        display: none;
    }
    #business1 .sec1-rt{
        width:100%;
    }
    #business1 .sec1-rt .img-box dl{
        transform: translate(0);
        position: static;
        display: none;
    }
    #business1 .sec1-rt .img-box dd{
        color:#000;
    }
    #business1 .business-con .mo-a{
        display: inline-block;
        padding:9px 25px;
        font-size: 17px;
        border:2px solid #000;
        margin-top:30px;
        text-align: center;
    }
    #business1 .business-con .busi-info{
        flex-flow: row wrap;
        justify-content: center;
        position: relative;
        padding-bottom: 30px;
    }
    #business1 .business-con .busi-info::after{
        content:"";
        width:80%;
        height: 1px ;
        background-color: #ddd;
        position: absolute;
        bottom: 0;left:50%;transform: translateX(-50%);
    }
    #business1 .business-con .busi-info dt{
        width:100%;text-align: center;
    }
    #business1 .business-con .busi-info dd{
        text-align: center;
        margin-top:10px;
    }
    #business1 .sec1-rt>ul>li{
        display: flex;flex-flow: row wrap;
        justify-content: center;
    }
    #business1 .sec1-contents{
        margin-top:70px
    }
    #business1 .sec1-rt ul li:not(:first-child){
        padding-top: 150px;;
    }
}
@media screen and (max-width:600px) {
    #business1 .sec1-tit h3{
        font-size: 23px;
    }
    #business1 .business-con .busi-info dt{
        font-size: 21px;
    }
    #business1 .sec1-rt ul li:not(:first-child){
        padding-top:130px;
    }
    #business1 .business-con .mo-a{
        font-size: 14px;
    }
    
}

/* business1 end */

/* business2 start */
#business2 .sec1{
}

#business2 .sec1-inner{
    width:1240px;
    margin:0 auto;
    padding:10em 0;
}
#business2 .sec1-tit h3{
    font-size: 50px;
}
#business2 .sec1-contents{
    width:100%;
    border-radius: 10px;
    background-color: #555;
    margin-top:20px;
    position: relative;
}
#business2 .sec1-contents img{
    width:100%;
    border-radius: 10px;
}
#business2 .sec1-contents::after{
    content:"";
    width:100%;height: 100%;
    position: absolute;
    top:0;left:0;
    background-color: #fff;
    transform: translateX(0);
    transition: 0.5s ease;
}
#business2 .sec1-contents.on::after{
    transform: translateX(-100%);
    transition: 1s ease;
}
#business2 .sec1-contents h4{
    position: absolute;
    font-size:65px;
    right: 20px;
    bottom: 0;
    opacity: 0;
    color:#ffffff8f;
}

#business2 .sec1-contents.on h4{
    opacity: 1;
    transition: 1s;
    transition-delay: 1s;
}
#business2 .sec1-inner>dl{
    margin-top:60px
}
#business2 .sec1-inner>dl dt{
    font-size: 30px;
    font-weight: 600;    
}

#business2 .sec1-inner>dl dd{
    line-height: 1.3;
    font-size: 18px;
    margin-top:10px;
    color:#666;
}



#business2 .sec3-inner{
    width:1240px;
    margin:0 auto;
    padding-bottom: 10em;
}
#business2 .sec3-inner ul{
    width:100%;
    display: flex;align-items: flex-start;
    justify-content: space-between;
}
#business2 .sec3-inner ul li{
    width:49%;
    height: auto;
    
}
#business2 .sec3-inner ul li h4{
    font-size: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #DDD;
}
#business2 .sec3-inner ul li dl{
    padding-top:15px;
    height: 300px;
}
#business2 .sec3-inner ul li dt{
    font-size: 21px;
    font-weight: 500;
    margin-bottom: 20px;
}
#business2 .sec3-inner dd{
    display: flex;
    font-size: 17px;
    align-items: flex-start;
    line-height: 1.3;
    margin-top:30px;
    color:#666;
}
#business2 .sec3-inner dd span{
    color:#9b9b9b;
    margin-right: 10px;
}
#business2 .list-img-wrap{
    width:100%;
    background-color: #666;
    position: relative;
}
#business2 .list-img-wrap::after{
    content:"";
    width:100%;height: 100%;
    position: absolute;top:0;left: 0;
    background-color: rgba(0,0,0,0.3);
}
#business2 .list-img-wrap img{
    width:100%;
}

#business2 .sec2-inner{
    width:100%;
    background-color:#000 ;
}
#business2 .link-inner{
    width:1240px;
    margin:0 auto;
    padding:100px 0;
    display: flex;
    justify-content: space-between;
}

#business2 .link-tit h4{
    font-size: 30px;
    color:#fff;
    line-height: 1.4;
}
#business2 .link-rt{
    width:50%;
    display: flex;justify-content: flex-start;
    flex-flow: row wrap;
    align-items: center;
}
#business2 .link-rt p{
    color:#fff;
    font-size: 25px;
    width:100%;
    font-weight: 500;
}
#business2 .link-rt li{
    width:25%;
    color:#fff;
    font-size: 17px;
}
#business2 .link-rt li a{
    color:#fff;
    position: relative;
}
#business2 .link-rt li a:after{
    content:"";
    width:0%;height: 2px;
    background-color: #fff;
    position: absolute;
    bottom: -2px;left: 0;
}
#business2 .link-rt li a::before{
    content:"";
    width:100%;height: 2px;
    background-color: #fff;
    position: absolute;
    bottom: -2px;right: 0;
}
#business2 .link-rt li a:hover::before{
    width:0%;
    transition: .5s ease;
}
#business2 .link-rt li a:hover::after{
    width:100%;
    transition: .5s ease;
    transition-delay: .5s;
}
#business2 .mo-br{
    display: none;
}

@media screen and (max-width:1340px) {
    #business2 .sec1-inner{
        width:90%;
    }
    #business2 .sec3-inner{
        width:90%;
    }
    #business2 .link-inner{
        width:90%;
    }
}
@media screen and (max-width:1240px) {
    #business2 .sec1-tit h3{
        font-size: 40px;
    }
    #business2 .sec1-inner>dl dt{
        font-size: 27px;
    }
    #business2 .sec1-inner>dl dd br{
        display: none;
    }
    #business2 .sec1-inner>dl dd{
        word-break: keep-all;
    }
    #business2 .sec3-inner ul li h4{
        font-size: 27px;
    }
    #business2 .link-tit h4{
        font-size: 25px;
    }
    #business2 .link-rt p{
        font-size: 23px;
    }
    #business2 .link-rt li{
        font-size: 16px;
    }
}
@media screen and (max-width:900px) {
    #business2 .sec3-inner ul li dl{
        height: auto;
    }
    #business2 .sec3-inner ul{
        flex-flow: row wrap;
    }
    #business2 .sec3-inner ul li{
        width:100%;
    }
    #business2 .list-img-wrap{
        margin-top:40px;
    }
    #business2 .sec3-inner ul li:last-child{
        margin-top:110px;
    }
    #business2 .sec3-inner dd{
        word-break: keep-all;
    }
    #business2 .sec3-inner dd br{
        display: none;
    }
    #business2 .sec1-contents.on h4{
        font-size: 35px;
    }
}
@media screen and (max-width:800px) {
    #business2 .link-inner{
        flex-flow: row wrap;
    }
    #business2 .link-inner .link-tit{
        width:100%;
    }
    #business2 .link-tit h4 br{
        display: none;
    }
    #business2 .link-tit h4{
        word-break: keep-all;
    }
    #business2 .link-inner .link-tit .mo-br{
        display: block;
    }
    #business2 .link-rt{
        width:100%;
        margin-top:40px;
    }
    #business2 .link-rt p{
        margin-bottom: 10px;;
    }
    #business2 .link-rt li{
        margin-top:10px;
        font-size: 20px;
    }
}
@media screen and (max-width:600px) {
    #business2 .sec3-inner dd{
        margin-top:20px;
    }
    #business2 .sec1-tit h3{
        font-size: 33px;
    }
    #business2 .link-inner .link-tit .mo-br{
        display: none;
    }
    #business2 .link-tit h4{
        font-size: 24px;
    }
    #business2 .link-rt li{
        font-size: 15px;
    }
    #business2 .sec1-inner>dl dd{
        font-size: 17px;
    }
    #business2 .sec1-inner>dl{
        margin-top:28px
    }
    #business2 .sec1-contents{
        /*height: 260px;*/
        background-size: cover;
        background-position: center;

    }
    #business2 .sec1-contents img{
        /*display: none;*/
    }
}
/* business2 end*/


/* history start */
    #history .sec-inner{
        width:1440px;
        height: auto;
        position: relative;
        margin:15em auto;
    }
    #history .sec-inner::after{
        content:"";
        width:1px;height: 100%;
        position: absolute;
        top:50%;left:50%;
        transform: translate(-50%,-50%);
        background-color: #d3d3d3;
    }

    #history .sec1{
        width:100%;
        display: flex;align-items: center;
        justify-content: space-between;
    }
    #history .sec1 .sec-lt{
        width:50%;
        padding-right:100px
    }

    #history .img-wrap{
        width:100%;
        background-color: #666;
        position: relative;
        overflow: hidden;
    }
    #history .img-wrap::after{
        content:"";
        width:100%;height: 100%;
        position: absolute;
        top:0;left: 0;
        background-color: #fff;
    }
    #history .img-wrap.on::after{
        transform: translateX(-100%);
        transition: 1.2s ease;
    }
    #history .sec2 .img-wrap.on::after{
        transform: translateX(100%);
    }
    #history .img-wrap img{
        width:100%;
    }
    #history .sec1 .sec-rt{
        width:50%;
        padding-left: 100px;
        position: relative;
    }

    #history .sec1 .sec-rt::after{
        content:"";
        width:8px;height: 8px;
        border-radius: 100%;
        position: absolute;
        top:5px;left: -4px;
        background-color: #a5a5a5;
        z-index: 999;
    }
    #history .sec1 .sec-rt::before{
        content:"";
        width:18px;height: 18px;
        border-radius: 100%;
        position: absolute;
        top:0;left: -9px;
        background-color: #e1e1e1;
        z-index: 99;
    }
    #history .sec1.on .sec-rt::after{
        background-color: #005890;
        transition: .5s ease;
    }
    #history .sec1.on .sec-rt::before{
        background-color: #6298bb7d;
        transition: .5s ease;
    }

    #history .sec-rt h4{
        font-size: 90px;
        text-align: right;
        color:#005890;
        padding-right: 20px;
    }
    #history .sec-rt .align-h4{
        padding-right: 50px;
    }
    #history .sec-rt>ul{
        margin-top:50px;
    }
    #history .sec-rt>ul>li{
        display: flex;align-items: flex-start;
    }
    #history .sec-rt>ul>li:not(:first-child){
        margin-top:50px;
    }
    #history .sec-rt>ul li h6{
        font-size: 25px;
    }
    #history .sec1 .his-con{
        padding-top:7px;
        margin-left:35px;
    }
    #history .his-con li{
        display: flex;
        font-size: 20px;
        color:#666;
        line-height: 1.3;
    }
    #history .his-con li:not(:first-child){
        padding-top:15px;
    }
    #history .sec1 .his-con li span{
        margin-right:5px;
    }

    #history .sec2{
        margin:10em 0;
    }
    #history .sec2 .his-con{
        margin-right: 35px;
        padding-top:7px;
    }
    #history .sec2 .his-con li span{
        margin-left:5px;
    }
    #history .sec2{
        width:100%;
        display: flex;align-items: center;
        justify-content: space-between;
    }
    #history .sec2 .sec-lt{
        width:50%;
        padding-right: 100px;
        position: relative;
    }
    #history .sec2 .sec-lt h4{
        font-size: 90px;
        text-align: left;
        color:#005890;
    }
    #history .sec2 .sec-lt>ul{
        margin-top:50px;
    }
    #history .sec2 .sec-lt>ul>li{
        display: flex;align-items: flex-start;
        text-align: right;
        justify-content: flex-end;
    }
    #history .sec2 .his-con li{
        justify-content: flex-end;
    }
    #history .sec2 .sec-lt>ul>li:not(:first-child){
        margin-top:50px;
    }
    #history .sec2 .sec-lt>ul li h6{
        font-size: 25px;
    }

    #history .sec2 .sec-rt{
        padding-left: 100px;width:50%;
        position: relative;
    }
    #history .sec2 .sec-lt::after{
        content:"";
        width:8px;height: 8px;
        border-radius: 100%;
        position: absolute;
        top:5px;right: -4px;
        background-color: #a5a5a5;
        z-index: 999;
    }
    #history .sec2 .sec-lt::before{
        content:"";
        width:18px;height: 18px;
        border-radius: 100%;
        position: absolute;
        top:0;right: -9px;
        background-color: #e1e1e1;
        z-index: 99;
    }
    #history .sec2.on .sec-lt::after{
        background-color: #005890;
        transition: .5s ease;
    }
    #history .sec2.on .sec-lt::before{
        background-color: #6298bb7d;
        transition: .5s ease;
    }

    #history .last-dot{
        width:18px;height: 18px;
        border-radius: 100%;
        position: absolute;
        bottom:0px;left: -9px;
        background-color: #e1e1e1;
        z-index: 999;
    }
    #history .last-dot::after{
        content:"";
        width:8px;height: 8px;
        border-radius: 100%;
        position: absolute;
        top:50%;left:50%;transform: translate(-50%,-50%);
        background-color: #a5a5a5;
        z-index: 999;
    }
    

    @media screen and (max-width:1540px) {
        #history .sec-inner{
            width:90%
        }
        #history .sec-rt h4{
            font-size: 70px;
        }
        #history .sec2 .sec-lt h4{
            font-size: 70px;
        }
    }
    @media screen and (max-width:1440px) {
        #history .sec-rt h4{
            font-size: 50px;
            text-align: left;
        }
        #history .sec2 .sec-lt h4{
            font-size: 50px;
            text-align: right;
        }
        #history .his-con li{
            font-size: 17px;
        }
        #history .sec1 .sec-lt{
            padding-right:35px;
        }
        #history .sec2 .sec-rt{
            padding-left: 35px;
        }
        #history .sec1 .sec-rt{
            padding-left:35px;
        }
        #history .sec2 .sec-lt{
            padding-right: 35px;;
        }

        #history .sec2 .sec-lt>ul>li:not(:first-child),
        #history .sec1 .sec-rt>ul>li:not(:first-child){
            margin-top:30px;
        }
    }

    @media screen and (max-width:1000px) {
        #history .sec-inner{
            width:90%;
        }
        #history .sec-inner::after{
            left: 0;
        }
        #history .sec1{
            flex-flow: row wrap;
        }
        #history .sec1 .sec-lt{
            width:100%;
            padding:0;;
            padding-left:30px;
        }
        #history .sec1 .sec-rt{
            width:100%;
            padding-top:40px;
        }
        #history .sec2{
            flex-flow: row wrap-reverse;
        }
        #history .sec2 .sec-rt{
            width: 100%;
            padding:0;
            padding-left:30px;
        }
        #history .sec2 .sec-lt h4{
            text-align: left;
        }
        #history .sec2 .sec-lt{
            width:100%;
            padding:0;
            padding-left:30px;
            padding-top:40px;
        }
        #history .sec2 .sec-lt>ul>li{
            text-align: left;
            flex-direction: row-reverse;
        }      
        #history .sec2 .sec-lt::before{
            right: inherit;
            left:-9px;
        }  
        #history .sec2 .sec-lt::after{
            right: inherit;
            left:-4px;
        }
        #history .sec2 .his-con li{
            justify-content: flex-start;
            flex-direction: row-reverse;
            margin-left:35px;
        }
        #history .sec2 .his-con li span{
            margin-left:0;
            margin-right: 5px;
        }
    }

    @media screen and (max-width:600px) {
        #history .sec1 .sec-lt{
            padding-left: 20px;
        }
        #history .sec-rt h4{
            font-size: 30px;
        }
        #history .sec1 .sec-rt{
            padding-left: 25px;
        }

        #history .sec-rt>ul>li{
            flex-flow: row wrap;
        }
        #history .sec-rt>ul>li .his-con{
            width:100%;
            margin-left: 0;
            margin-top:10px;
        }
        #history .his-con li{
            font-size: 16px;
        }
        #history .sec-rt>ul{
            margin-top:35px;
        }

        #history .sec2 .sec-rt{
            padding-left: 20px;
        }
        #history .sec2 .sec-lt h4{
            font-size: 30px;;
        }
        #history .sec2 .sec-lt{
            padding-left: 25px;
        }
        #history .sec2 .sec-lt>ul{
            margin-top:35px;
        }
        #history .sec2 .sec-lt>ul>li{
            flex-flow: row-reverse wrap-reverse;
        }
        #history .sec2 .his-con li{
            margin-left: 0;
            justify-content: flex-end;
        }
        #history .sec2 .his-con{
            width:100%;
        }
        
    }
/* history end */