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: 100px;
    margin-bottom:100px;
}
section.logo{margin-top:50px;}

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

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 > span.box {
    width: 13px;
    height: 13px;
    background-color: #3783b6;
    position: absolute;
    bottom: 15px;
    margin-left: 10px;
}

section.intro .txt > p {
    /*width: 760px;*/
    float: right;
    color: #1a1a1a;
    font-size: 16px;
    line-height: 26px;
    padding-top:15px;
    text-align: left;
}
/*
section.intro .center > h2 {
    font-size: 35px;
    position: relative;
    margin-bottom: 20px;
    font-family: 'NanumSquareEB';
}

section.intro .center > h2 div.bar {
    margin-top: 20px;
    width: 50px;
    border-bottom: 3px solid #3783b6;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

section.intro .center > p {
    font-size: 16px;
    line-height: 26px;
    color: #1a1a1a;
    margin: 70px 0 100px 0;
}
*/


/*intro-level*/
ul.level {
    margin-bottom: 100px;
}

ul.level > li {
    margin-bottom: 50px;
}

ul.level > li > p {}

ul.level > li > p:first-of-type {
    font-size: 20px;
    font-family: 'NanumSquareB';
    line-height: 50px;
}

ul.level > li > p:nth-of-type(2) {
    font-size: 16px;
    line-height: 36px;
}

ul.level > li > p:nth-of-type(3) {
    font-size: 16px;
    line-height: 26px;
    padding-left: 15px;
    color: #777777;
}


ul.level > li > div {
    width: 10px;
    height: 10px;
    margin-top: 7px;
    border-radius: 100%;
    background-color: #777777;
    float: left;
}

/*new sensor configuration example*********************************/

/*탭테스트*/

*:before,
*:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

}

.swiper-container {
    margin: auto;
    padding: 0 20px;

}

/* TABS */
.swiper-wrapper {
    *zoom: 1;
    width: 1200px;
    border-radius: 0.1875em;
    margin-left: 0;
    padding-left: 0;
    background-color: #f0f0f0;
    margin-top: 50px;
}

.swiper-wrapper:before,
.swiper-wrapper:after {
    content: " ";
    display: table;
}

.swiper-wrapper:after {
    clear: both;
}

.swiper-wrapper li {
    list-style: none;
}

.swiper-slide {
    width: 90px;
    height: 45px;
    float: left;
    background-color: #f0f0f0;
}

.swiper-slide > a {
    /*height:45px;*/
}

.swiper-wrapper {
    /*height:45px;*/
}

.swiper-wrapper li.swiper-slide:first-child a {
    border-top-left-radius: 0.1875em;
    border-top-right-radius: 0.1875em;
    border-top: 0;
}

.swiper-wrapper li.swiper-slide:last-child a {
    border-bottom-left-radius: 0.1875em;
    border-bottom-right-radius: 0.1875em;
    border-top: 0;
}

.swiper-wrapper li.swiper-slide a {
    text-decoration: none;
    color: #666666;
    display: block;
    padding: 0.75em 0.809em;
    /*width: 200px;*/
    float: left;
    border-radius: 10px 10px 0 0;
}

.low_level .swiper-wrapper li.swiper-slide a {
    width:
        /*22.84444*/
        100%;
}

.swiper-wrapper li.swiper-slide{background-color: #f0f0f0 !important;padding-right:0; margin-right: 0 !important;}

.intermediate_level .swiper-wrapper li.swiper-slide a {
    width:
        /*22.84444*/
        100%;
   /* background-color: #f0f0f0 !important;*/
}

.advanced_level .swiper-wrapper li.swiper-slide a {
    width:
        /*22.84444*/
        100%;
    background-color: #f0f0f0 !important;
}

.swiper-wrapper li.swiper-slide li:first-of-type a {
    background-color: #ffffff;
    border-bottom: 0;
    color: #3783b6;
}

.swiper-wrapper li.swiper-slide a:hover {
    color: #3783b6;
}

.swiper-wrapper li.swiper-slide a:focus {
    outline: none;
}

.swiper-wrapper li.swiper-slide a.is-active {
    background-color: #ffffff !important;
    border:1px solid #f0f0f0;
    border-bottom:0px;
    border-bottom: 0;
    color: #3783b6;
    box-sizing: border-box;
}

.swiper-wrapper li.swiper-slide section {
    padding: 1.5em 1.618em;
    background: #f7f7f7;
    display: none;
    /*overflow: hidden;*/
    width: 100%;
}

/*Example 10가지라 넓이 120px로 조정*/
/*
.intermediate_level .swiper-wrapper li.swiper-slide a {
    width: 120px;
     -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
*/



ul.prd_list {
    position: relative;
}

ul.prd_list > li {

    /*position: absolute;
    left: 0;
    top: 0;*/
    width: 100%;
    background-color: #ffffff;
}

/*sensor configuration example*********************************/
section.sensor_confi {
    padding-top: 50px;
    /*margin-bottom: 150px;*/
  /*  background-color: #f6f9fa;*/
}

/*section.sensor_confi .bg{width: 1200px;height: 150px;background-color: #f6f9fa;}*/

section.sensor_confi > .center > h3 {
    font-size: 35px;
    position: relative;
    margin-bottom: 70px;
    font-family: 'NanumSquareEB';
}

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

section.sensor_confi > .center > .stage {
    width: 100%;
    height: 56px;
    margin: 200px 0 50px 0;
    position: relative;
}


section.sensor_confi > .center > .stage:first-of-type {
    margin: 70px 0 0px 0;
}


section.sensor_confi > .center .stage > p {
    width: 156px;
    border: 5px solid #3783b6;
    color: #3783b6;
    font-size: 20px;
    font-family: 'NanumSquareB';
    line-height: 56px;
    border-radius: 40px;
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

/*platform 이미지*/
div.platform {
    height: 259px;
    position: relative;
}

div.platform > img {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    /*width: 100%;*/
}

div.platform > ul.sensor_mark {}

div.platform > ul.sensor_mark > li {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    display: none;
}

div.platform > ul.sensor_mark > li > img {
    /*width: 100%;*/
}

div.platform > ul.sensor_mark > li:first-of-type {
    display: block;
}

div.platform > ul.sensor_mark > li > img {}

div.platform > .sensor_info {}

div.platform > .sensor_info > img {}

/*센서 사진 정렬*/
.low_level .prd_list > li > ul.sensor_pic > li {
    margin-top: 72px;
}

.intermediate_level .prd_list > li:nth-of-type(1) > ul.sensor_pic > li {margin-top: 72px;}
.intermediate_level .prd_list > li:nth-of-type(2) > ul.sensor_pic > li {margin-top: 72px;}
.intermediate_level .prd_list > li:nth-of-type(3) > ul.sensor_pic > li {margin-top: 72px;}
.intermediate_level .prd_list > li:nth-of-type(5) > ul.sensor_pic > li {margin-top: 72px;}
.intermediate_level .prd_list > li:nth-of-type(6) > ul.sensor_pic > li {margin-top: 72px;}
.intermediate_level .prd_list > li:nth-of-type(8) > ul.sensor_pic > li {margin-top: 72px;}

.advanced_level .prd_list > li:nth-of-type(3) > ul.sensor_pic > li {margin-top: 72px;}

ul.sensor_pic {
    /*width:1202px;*/
    overflow: hidden;
    height: 288px;
    border:1px solid #f0f0f0;
    border-top:0px;
    box-sizing: border-box;

}

ul.prd_list > li:first-of-type {
    display: block;
}

ul.prd_list > li {
    display: none;
}

.advanced_level .prd_list > li:nth-of-type(1) > ul.sensor_pic {
    height: 288px;
}

/*ul.prd_list:nth-of-type(3)>li>.sensor_pic{height:432px;}*/
ul.sensor_pic > li {
    float: left;
    height: 144px;
}

ul.sensor_pic > li > .img_box {
    float: left;
    width: 144px;
    height: 144px;
    margin-left: 14px;
}

ul.sensor_pic > li > div.name {
    float: left;
    width:
        /*136*/
        /*122*/
        120px;
    height: 144px;
    margin: 50px 0 0 20px;
}

ul.sensor_pic > li > div.name > p {
    font-family: 'NanumSquareB';
    text-align: left;
}

ul.sensor_pic > li > div.name > p > span {
    color: #777777;
    font-size: 14px;
}

/*아코디언 실행*/
.ac-container {
    width: 1120px;
    padding-top: 30px;
}

.ac-container label {
    padding: 5px 20px;
    position: relative;
    z-index: 20;
    display: block;
    height: 40px;
    line-height: 40px;
    color: #6c6c6c;
    background: #f0f0f0;
    font-size: 20px;
    border-radius: 10px;
    margin-bottom: 2px;
}
section.detail{display: none;}
div.low_level ul.swiper-wrapper>li{width:25% !important;}
div.intermediate_level ul.swiper-wrapper>li{width:10% !important;}
div.advanced_level ul.swiper-wrapper>li{width:20% !important;}

/*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;
    }

    section.intro .center > h2 {
        font-size: 25px;
    }
    section.intro .txt > h2{font-size:38px;}
    section.intro > .center {
        width: 100%;
    }

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

    .intro > h2 {
        width: 100%;
    }


    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%;
    }

    /*센서 사진 정렬*/

    .swiper-wrapper {
        background-color: #f0f0f0;
    }

    .swiper-slide {
        background-color: #f0f0f0;
    }

    .swiper-slide > li {
        margin-right: 0 !important;
    }

    .low_level .prd_list > li:nth-of-type(1) > ul.sensor_pic > li {
        margin-top: 0px;
    }

    .low_level .prd_list > li:nth-of-type(2) > ul.sensor_pic > li {
        margin-top: 0px;
    }

    .low_level .prd_list > li:nth-of-type(3) > ul.sensor_pic {
        height: 432px;
    }

    .low_level .prd_list > li:nth-of-type(4) > ul.sensor_pic {
        height: 432px;
    }

    section.sensor_confi > .center > .stage {
        margin: 363px 0 50px 0;
    }
    .low_level .swiper-wrapper li.swiper-slide{background-color: #f0f0f0 !important;padding-right:30px;}
.intermediate_level .swiper-wrapper li.swiper-slide{background-color: #f0f0f0 !important;padding-right:30px;}
    .advanced_level .swiper-wrapper li.swiper-slide{background-color: #f0f0f0 !important;padding-right:30px;}
    .intermediate_level .prd_list > li > ul.sensor_pic {
        height: 432px;
    }

    .intermediate_level .prd_list > li:nth-of-type(1) > ul.sensor_pic {
        height: 288px;
    }

    .intermediate_level .prd_list > li:nth-of-type(9) > ul.sensor_pic {
        height: 432px;
    }

    .intermediate_level .prd_list > li:nth-of-type(1) > ul.sensor_pic > li {
        margin-top: 0px;
    }

    .advanced_level .prd_list > li > ul.sensor_pic {
        height: 432px;
    }

    .advanced_level .prd_list > li:nth-of-type(1) > ul.sensor_pic {
        height: 576px;
    }

    .advanced_level .prd_list > li:nth-of-type(2) > ul.sensor_pic {
        height: 432px;
    }

    ul.sensor_pic {
        overflow: hidden;
    }

    ul.sensor_pic > li {
        float: left;
    }

    ul.sensor_pic > li > img {
        float: left;
        width: 144px;
        height: 144px;
        margin-left: 14px;
    }

    ul.sensor_pic > li > div.name {
        float: left;
        width:
            /*136*/
            122px;
        height: 144px;
        margin: 50px 0 0 20px;
    }

    .swiper-wrapper {
        background-color: #f0f0f0;
    }

    .swiper-wrapper li.swiper-slide a {
        font-size: 14px;
    }

    .swiper-wrapper li.swiper-slide a.is-active {
        border-radius: 0;
    }

    /*detail-pc*/
    /*detail*********************************/
    section.detail{margin-bottom:50px;}
    section.detail ul > li {
        font-size: 14px;
        line-height: 24px;
        position: relative;
        text-align: left;
        padding-top: 25px;
    }
    section.detail ul > li:first-of-type{padding-top:0;}
    section.detail ul > li :last-of-type{color:#777777;}

    section.detail ul > li > p {
        position: relative;
    }

    section.detail ul > li > p > span:first-of-type {
        font-family: 'NanumSquareR';
        font-size: 24px;
        z-index: 1;
        bottom: 0;
    }

    section.detail ul > li > p > span:last-of-type {
        font-family: 'NanumSquareB';
        font-size: 30px;
        color: #c4c4c4;
        opacity: 0.2;
        bottom: 0;
        left: 0;
        position: absolute;
    }

    section.detail ul > li > p > span:first-of-type {
        font-size: 16px;
    }

    section.detail ul > li > p > span:last-of-type {
        font-size: 25px;
    }

    section.detail ul > li > ul:last-child {
        color: #1a1a1a;
    }

    /*detail-mobile*/
    section.detail {
        width: 90%;
        text-align: center;
    }

    section.detail > .center {
        width: 100%;
    }

    section.detail > .center > ul {
        width: 100%;
    }

    section.detail > .center > ul:first-of-type {
        border-right: 0;
        margin-left: 0px;
    }

    section.detail > .center > ul:last-of-type {
        margin-left: 0px;
    }

    section.detail p {
        border-bottom: 1px solid rgba(196, 196, 196, 0.2);
    }

    section.detail p > img {
        display: block;
        float: right;
        width: 26px;
        margin-bottom: 2px;
    }

    section.detail ul > li > p > span:first-of-type {
        font-size: 20px;
    }

    section.detail ul > li > p > span:last-of-type {
        font-size: 25px;
    }
    section.detail ul ul {
        display: none;
    }

    section.detail ul:hover {
        cursor: pointer;
    }

    section.detail > .center > ul {
        margin-top: 0;
    }
    section.detail ul>li> ul > li:first-of-type{margin-top:10px;}
    section.detail ul>li> ul > li > div {
        width: 8px;
        height: 8px;
        margin-top: 7px;
        margin-right:5px;
        border-radius: 100%;
        background-color: #777777;
        float: left;
        display:;
    }
    ul.level{display: none;}
    section.detail{display: block;}
}

/*tablet*/
@media screen and (min-width:768px) and (max-width:959px) {
    section {
        width: 100%;
        overflow: hidden;
    }

    .illustration ul.process_pic > li {
        float: left;
        width: 310px;
        height: 303px;
    }

    section.detail > .center > div. > img {
        width: 478px;
        height: 350px;
    }
}


/*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;
    }

    .sensor_pic {
        width: 100%;
    }

    ul.level > li > p:first-of-type {
        font-size: 16px;
        text-align: center;
    }

    ul.level > li > p:nth-of-type(2) {
        font-size: 14px;
        line-height: 24px;
        color: #121212;
        padding-left: 0;
        /*display: none;*/
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        width: 100%;
    }

    ul.level > li > p:nth-of-type(4) {
        font-size: 14px;
        line-height: 24px;
        letter-spacing: -0.7px;
        color: #888888;
        display: none;
    }


    ul.level > li > div {
        width: 8px;
        height: 8px;
        margin-top: 7px;
        border-radius: 100%;
        background-color: #777777;
        float: left;
        display: none;
    }

    section.sensor_confi > .center .stage > p {
        width: 130px;
        border: 0px solid #3783b6;
        color: #3783b6;
        font-size: 25px;
        font-family: 'NanumSquareB';
        line-height: 35px;
        border-radius: 40px;
        position: absolute;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
    }

    .stage:nth-of-type(3) > p {
        /*width: 200px !important;*/
    }

    ul.level > li > p:nth-of-type(3) {
        width: 100px;
        height: 35px;
        border-radius: 20px;
        border: 1px solid #121212;
        line-height: 35px;
        text-align: center;
        padding-left: 0;
        margin-top: 10px;
    }
}

/*small mobile*/
@media screen and (max-width:681px) {
    ul.sensor_pic {
        width: 100%;
        overflow: hidden;
    }

    ul.sensor_pic > li {
        width: 50%;
        height: 141px;
        padding: 5px 15px;
        height:
            /*81px*/
        ;
        float: left;
        border: 1px solid white;
        box-sizing: border-box;
    }

    ul.sensor_pic > li > .img_box {
        width: 100%;
        height: 81px;
        float: left;
        margin: 0;
    }

    ul.sensor_pic > li > .img_box > img {
        width: auto;
        height: 100%;
    }

    ul.sensor_pic > li > div.name {
        width: 100%;
        height:
            /*81px*/
            34px;
        float: left;
        margin: 0;
    }

    ul.sensor_pic > li > div.name > p {
        width: 100%;
        /*margin:30px 0 0 6px;*/
        font-size: 14px;
        text-align: center;
    }

    section.sensor_confi > .center > .stage {
        margin: 100px 0 0 0;
    }

    div.platform {
        height: 191px;
        position: relative;
    }

    .advanced_level {
        padding-bottom: 100px !important;
    }

    .swiper-wrapper {
        margin-top: 30px !important;
    }
    
ul.swiper-wrapper>li{padding-right: 0 !important;}
    div.intermediate_level ul.swiper-wrapper{width:100%;}
div.intermediate_level ul.swiper-wrapper>li{/*width:20% !important;*/}



}