:root {
    --main-color: #0d4ba0;
    --secondary-color: #D2AE5A;
    --h-color: #333333;
    --white-color: #ffffff;
    --title-color: #000000;
    --text-color: #666666;
    --btn-text-color: #0064B9;
    --footer-bg-color: #262626;
    --footer-list-color: #b3b3b3;
    --search-color: #222222;
    --mask-color: #003258;
    --product-name-color: #f5f5f5;
    --new-p-color: #808080;
    --logo--color: #209590;
    --locate-color: #4d4d4d;
    --f7-color: #f7f7f7;
    --buttom-color: #cccccc;
    --red-color: #e20000;
}

* {
    margin: 0;
    padding: 0;
    /* css3盒子模型 */
    box-sizing: border-box;
    font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    outline: none;
    border: none;
    text-decoration: none;
    text-transform: capitalize;
    /*-webkit-transition: .2s linear;*/
    /*transition: .2s linear;*/
}

/* em 和 i 斜体的文字不倾斜 */
em,
i {
    font-style: normal
}

/* 去掉li 的小圆点 */
li {
    list-style: none
}

img {
    /* border 0 照顾低版本浏览器 如果 图片外面包含了链接会有边框的问题 */
    border: 0;
    /* 取消图片底侧有空白缝隙的问题 */
    vertical-align: middle;

}

button {
    /* 当我们鼠标经过button 按钮的时候，鼠标变成小手 */
    cursor: pointer
}

a {
    text-decoration: none;
    /* 鼠标经过变小手 */
    cursor: pointer;
}

a:hover {
    color: var(--main-color)
}

button,
input {
    /* "\5B8B\4F53" 就是宋体的意思 这样浏览器兼容性比较好 */
    font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    /* 默认有灰色边框我们需要手动去掉 */
    border: 0;
    outline: none;
}

body {
    /* CSS3 抗锯齿形 让文字显示的更加清晰 */
    -webkit-font-smoothing: antialiased;
    font: 12px/1.5 Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    color: var(--white-color);
}

.hide,
.none {
    display: none
}

/* 清除浮动 */
.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0
}

.clearfix {
    *zoom: 1
}

.guanggao {
    width: 100%;
    height: 740px;
    background-image: url('../images/gcbg.jpg');
    background-position: center bottom;
    background-repeat: no-repeat;
}

@media (max-width: 970px) {
    .guanggao {
        height: 500px;
        background-size: 0;
    }
}

.roundabout_box {
    position: relative;
}

.prev,
.next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 10px;
    color: #fff;
    border: none;
    cursor: pointer;
}

.prev {
    width: 40px;
    height: 40px;
    background: url(../images/yuanleft.png )no-repeat;
    background-size: 40px;
    left: -70px;
}

.next {
    right: -70px;
    width: 40px;
    height: 40px;
    background: url(../images/yuanright.png )no-repeat;
    background-size: 40px;
}

.exhibition_hall {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.exhibition_hall h4 {
    font-size: 30px;
    font-family: "微软雅黑";
    text-align: center;
    margin: 0px auto;
    padding-top: 50px;
    color: #000;
}

.tline {
    color: #dedede;
}

.roundabout_box {
    width: 980px;
    height: 480px;
}

.roundabout_box ul {}

.roundabout_box img {
    width: 100%;
}

.roundabout_box {
    height: 425px;
    width: 980px;
    margin: 40px auto 20px auto;
}

.roundabout-holder {
    list-style: none;
    width: 500px;
    height: 425px;
    margin: 0px auto;
}

.roundabout-moveable-item {
    font-size: 12px !important;
    height: 425px;
    width: 650px;
    cursor: pointer;
    background: #f9f9f9;
}

.roundabout-moveable-item img {
    height: 100%;
    width: 100%;
    background-color: #FFFFFF;
    margin: 0;
}

.roundabout-in-focus {
    cursor: auto;
    border-left: 1px #fff solid;
    border-right: 1px #fff solid;
}

.roundabout-in-focus000:hover {
    -webkit-box-shadow: 0px 0px 20px #787878;
    -moz-box-shadow: 0px 0px 20px #787878;
    background: #f9f9f9;
}

.roundabout-holder .text {
    color: #999;
}

.roundabout-in-focus000:hover span {
    display: inline;
    position: absolute;
    bottom: 5px;
    right: 5px;
    padding: 8px 20px;
    background: #f9f9f9;
    color: #3366cc;
    z-index: 999;
    -webkit-border-top-left-radius: 5px;
    -moz-border-radius-topLeft: 5px;
    border-left: 1px solid #aaaaaa;
    border-top: 1px solid #aaaaaa;
}

.roundabout a:active,
.roundabout a:focus,
.roundabout a:visited {
    outline: none;
    text-decoration: none;
}

.roundabout li {
    margin: 0
}
.web-gongchang{
    display: none;
}
@media screen and (max-width:767px) {
    .pc-gongchang{
         display: none;
    }
    
    .web-gongchang{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    /* height: 10rem; */
    margin-top: 2rem;
    margin-bottom: 3rem;
}
   
 .web-gongchang div img{
    width: 100%;
}
}