section {
    text-align: center;
}

br.mobile {
    display: none;
}

/*section.top*********************************/
section.top {
    width: 100%;
    position: relative;
    padding-top: 100px;
}

/*section.about*********************************/
section.center {
    width: 1200px;
}

section.intro {
    position: relative;
    overflow: hidden;
    margin-top: 50px;
    margin-bottom:150px;
}

section.intro > .center {
    width: 1200px;
    margin: 0 auto;
}

section.intro>img{margin-top:100px;}
section.intro .txt > h2 {
    float: left;
    /*width: 427px;*/
    font-size: 60px;
    text-align: left;
    line-height: 70px;
    letter-spacing: -1px;
    font-family: 'NanumSquareEB';
    position: relative;
}

section.intro .txt > h2>img{height:100px;}

section.intro .txt > p {
    float: right;
    color: #1a1a1a;
    font-size: 16px;
    line-height: 26px;
    padding-top:15px;
    text-align: left;
}

section.function> .center > h3 {
    font-size: 35px;
    position: relative;
    margin-bottom: 20px;
    font-family: 'NanumSquareEB';

}

section.function> .center > h3 {
    font-size: 35px;
    position: relative;
    margin-bottom: 20px;
    font-family: 'NanumSquareEB';
}

section.function> .center > h3 div.bar {
    margin-top: 20px;
    width: 50px;
    border-bottom: 3px solid #3783b6;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

section.function > .center > p {
    margin-top: 70px;
    color: #1a1a1a;
    font-size: 16px;
    line-height: 26px;
    text-align: center;
    margin-bottom:50px;
}

section.function > .center > p {
    margin-top: 70px;
    color: #1a1a1a;
    font-size: 16px;
    line-height: 26px;
    text-align: center;
    margin-bottom:50px;
}


section.system > .center >img{margin-bottom:200px;}

section.system > .center > h3 div.bar {
    margin-top: 20px;
    width: 50px;
    border-bottom: 3px solid #3783b6;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

div.driving_mode{}
div.driving_mode>p{margin:auto; height:54px; line-height: 54px; font-size:22px; font-weight: bold; color:#3783b6; border:2px solid #3783b6; border-radius: 28px;;width:300px; text-align: center;}
div.driving_mode>ul.mode{width:100%; margin-top:100px;}
div.driving_mode>ul.mode>li{width:47.5%; float:left; margin-bottom:50px; /*border:1px solid red; box-sizing: border-box;*/}
div.driving_mode>ul.mode>li:nth-of-type(2n-1){margin-right:5%;}
div.driving_mode>ul.mode>li>img{}
div.driving_mode>ul.mode>li>p{padding:20px; font-weight: bold;}

section.sensor{}
section.sensor>.center{}
section.sensor>.center>ul.category{}
section.sensor>.center>ul.category>li{height:60px; line-height:60px; background:rgba(55,131,182,0.1); font-weight:bold; width:25%;float:left; border-top:2px solid #3783b6; border-bottom:1px solid #d3d3d3; box-sizing: border-box;}
section.sensor>.center>ul.category>li:nth-of-type(2){border-left:1px solid #d3d3d3; border-right: 1px solid #d3d3d3; box-sizing: border-box; box-sizing: border-box;}
section.sensor>.center>ul.category>li:last-of-type{width:50%;}
section.sensor>.center>ul.list{height:60px; line-height:60px;  }
section.sensor>.center>ul.list>li{color:#666666;}
section.sensor>.center>ul.list>li{}
section.sensor>.center>ul.list>li>ul{}
section.sensor>.center>ul.list>li>ul>li{float:left; border-bottom:1px solid #d3d3d3;}
section.sensor>.center>ul.list>li>ul>li:first-of-type{width:25%; background:rgba(55,131,182,0.1); font-weight:bold; color:#1a1a1a;}
section.sensor>.center>ul.list>li>ul>li:nth-of-type(2){width:25%; border-left:1px solid #d3d3d3; border-right: 1px solid #d3d3d3; box-sizing: border-box;}
section.sensor>.center>ul.list>li>ul>li:nth-of-type(3){width:50%;}
section.sensor p.ref{font-size:14px; color:#d3d3d3; float:right; margin:20px 0;padding-bottom:200px;}

/*tablet&mobile*/
@media screen and (max-width:959px) {
    section {
        width: 100%;
        overflow: hidden;
        text-align: center;
    }

    section.top {
        width: 90%;
    }

    section.top > img {
        width: 100%;
    }

    section.intro {
        width: 90%;
        margin-top: 30px;
        margin-bottom:100px;
    }
    
    section.intro>img{width:100%; margin-top:50px;}

    section.intro .txt > h2 {
        font-size: 38px;
        line-height: 40px;
        width:100%;
    }
section.intro .txt > h2>img{width:66% !important;}
    section.intro > .center {
        width: 100%;
    }

    section.intro > .center > p {
        margin: 70px 0 30px 0;
    }

    .intro > h2 {
        width: 100%;
    }
    
    section.function{width:100%;}
    
    section.function> .center > h3{font-size:25px;}

 /*   section.sensor_confi > .center > h3 {
        font-size: 25px;
    }

    br.mobile {
        display: block;
    }

    ul.level {
        margin-bottom: 50px;
        width: 90%;
    }

    ul.level > li {
        margin-bottom: 30px;
    }

    ul.level > li > p:nth-of-type(2) {
        text-align: justify;
        line-height: 26px;
    }

    div.platform > img {
        width: 80%;
    }

    ul.sensor_mark > li {
        width: 100%;
    }

    ul.sensor_mark > li > img {
        width: 80%;
    }
*/
   
}
/*tablet*/
@media screen and (min-width:768px) and (max-width:959px) {
    section {
        width: 100%;
        overflow: hidden;
    }

}


/*mobile*/
@media screen and (max-width:767px) {
    section.intro .txt > h2 > img {
        width: 100%;
        height: 100%;
    }

    section.intro > img {
        width: 100%;
        height: 100%;
    }

    section.intro .center > p {
        text-align: left;
    }
    section.function> .center > h3{font-size:25px;}
}

/*small mobile*/
@media screen and (max-width:681px) {
   
}