@charset "utf-8";
/* CSS Document */

* {
    padding: 0;
    margin: 0;
}

ul, li, dd, dt, dl {
    list-style: none;
}

.contents {
    position: relative;
    background-color: #FFF;
}

.pt20 {
    padding-top: 20%;
}

.pt12 {
    padding-top: 12%;
}

.pt10 {
    padding-top: 10%;
}

.pt7 {
    padding-top: 7%;
}

.pt5 {
    padding-top: 5%;
}

.pt2 {
    padding-top: 2%;
}

.pt54 {
    padding-top: 48%;
}

.pb5 {
    padding-bottom: 5%;
}

.pb7 {
    padding-bottom: 7%;
}

.pb10 {
    padding-bottom: 10%;
}


.quick {
    position: absolute;
    bottom: 3%;
    left: 50%;
    margin-left: 430px;
    z-index: 999;
    width: 125px;
}

.eventtopbg {
    position: relative;
    width: 100%;
    text-align: center;
    height: auto;
    background: url(/images/cbt/2023/GasEngineer/top_bg_01.jpg) top center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.eventvideo {
    position: relative;
    width: 100%;
    max-width: 995px;
    height: auto;
    margin: 0 auto;
    background: url(/images/cbt/2023/GasEngineer/video_bg_01.png) top center #FFF;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.bookimg {
    position: absolute;
    top: 50%;
    width: 41%;
    margin-left: 0%;
    max-width: 436px;
    z-index: 99;
}

    .bookimg img {
        width: 100%;
    }

.eventimg {
    position: relative;
    max-width: 800px;
    height: auto;
    margin: 0 auto;
}

    .eventimg img {
        height: auto;
        width: 100%;
        margin: 0 auto;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
    }

        .eventimg img.btn_w615 {
            width: 75%;
            max-width: 615px;
            margin: 0 auto;
        }

.youtube {
    position: absolute;
    top: 39%;
    width: 53%;
    margin-left: 40.2%;
    padding: 34% 0 0 0;
    z-index: 88;
}

.youtube_review {
    position: absolute;
    top: 0;
    width: 80%;
    margin-left: 10%;
    padding: 45% 0 0 0;
}

.sec01 {
    text-align: center;
    background: #FFF;
}

.sec02 {
    background: #f5f5f5;
    text-align: center;
    padding-bottom: 13%;
}


.sec03 {
    background-color: #482167;
    background: url(/images/cbt/2023/GasEngineer/top_bg_03.jpg) top center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.sec04 {
    background-color: #482167;
}

.sec05 {
    text-align: center;
    background-color: #FFF;
}

.sec06 {
    text-align: center;
    background-color: #f1f1f1;
}

.sec07 {
    background-color: #FFF;
}

.sec08 {
    background: #383838;
}

.sec09 {
    text-align: center;
    background-color: #5c5c5c;
}

.sec10 {
    background-color: #FFF;
    text-align: center;
}



#touchSliderH {
    height: 100%;
    max-height: 727px;
    position: relative;
    overflow: visible;
    background-size: cover;
    border: none;
}

    #touchSliderH ul {
        width: 100%;
        position: absolute;
        padding: 0;
        top: 0;
        left: 0;
        overflow: hidden;
        text-align: center;
        background-color: transparent;
        border: none;
    }

        #touchSliderH ul li {
            float: left;
            display: block;
            min-height: 180px;
            background-color: transparent;
            text-align: center;
            margin: 0 auto;
            padding: 0;
            border: none;
        }

            #touchSliderH ul li img {
                width: 100%;
                max-width: 498px;
                display: block;
                margin: 0 auto;
                border: none;
            }

.slider_wrap {
    width: 100%;
    padding: 0;
    position: relative;
}

    .slider_wrap .btn_prev {
        position: absolute;
        top: 45%;
        left: 5%;
    }

        .slider_wrap .btn_prev img {
            width: 48px;
        }

    .slider_wrap .btn_next {
        position: absolute;
        top: 45%;
        right: 5%;
    }

        .slider_wrap .btn_next img {
            width: 48px;
        }

@media (max-width: 540px) {
    #touchSliderH {
        height: 100%;
        max-height: 655px;
        position: relative;
        overflow: visible;
        background-size: cover;
        border: none;
    }
}

@media (max-width: 414px) {
    #touchSliderH {
        height: 100%;
        max-height: 550px;
        position: relative;
        overflow: visible;
        background-size: cover;
        border: none;
    }
}

@media (max-width: 390px) {
    #touchSliderH {
        height: 100%;
        max-height: 500px;
        position: relative;
        overflow: visible;
        background-size: cover;
        border: none;
    }
}

@media (max-width: 370px) {
    #touchSliderH {
        height: 100%;
        max-height: 480px;
        position: relative;
        overflow: visible;
        background-size: cover;
        border: none;
    }
}

@media (max-width: 280px) {
    #touchSliderH {
        height: 100%;
        max-height: 380px;
        position: relative;
        overflow: visible;
        background-size: cover;
        border: none;
    }
}

.tablist {
    position: relative;
    width: 100%;
    background-image: url(/images/cbt/2023/GasEngineer/img_08_bg.jpg);
    background-position: bottom;
    background-repeat: repeat-x;
    background-size: 100% 90.1%;
}

    .tablist .step_tabs {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }

        .tablist .step_tabs .tab {
            width: 100%;
            max-width: 780px;
            display: inline-block;
        }

            .tablist .step_tabs .tab li {
                float: left;
                width: 33.3%;
                margin: 0;
                padding: 0px;
                display: block;
            }

                .tablist .step_tabs .tab li img {
                    width: 100%;
                }

.cont_box {
    text-align: center
}

    .cont_box img.w800 {
        width: 100%;
        max-width: 800px;
    }

    .cont_box img.w540 {
        width: 80%;
        max-width: 540px;
        margin: 0 auto
    }

    .cont_box img.btn_w615 {
        width: 90%;
        max-width: 615px;
        margin: 0 auto;
    }

.bubble {
    width: 38.8%;
    position: absolute;
    right: 7.5%;
    top: 81.5%;
}

    .bubble img {
        width: 100%;
    }