*{margin: 0;padding: 0;box-sizing: border-box;}
a{text-decoration: none;color: #000;}
body{width: 100%;height: 100%;background: url(../image/Column-background.webp) no-repeat left top;background-attachment: fixed;background-size: cover;font-family: "STXingkai", "华文行楷", "SimKai", "楷体", SimSun, sans-serif;font-size: 16px;}

.box{margin: auto;width: 100%;height: 100%;min-height: 945px;background: url(../image/Homepage-background.webp) no-repeat;background-position: center;background-size: 80% 80%;position: relative;}
.use_box{position: relative;width: 100%;height: 100%;padding-top: 1px;}
.gui{position: absolute;top: 16%;left: 7%;width: 21%;height: 60%;}
.gui img{width: 100%;height: 100%;}
.use_nav{width: 80%;max-width: 1500px;height: 83px;margin: auto;position: relative;}
.nav_item{position: absolute;right: 0;top: 0;display: flex;align-items: center;justify-content: space-between;width: 80%;padding-top: 35px;}
.nav_li{height: 83px;padding: 15px 0;background: url(../image/Nav-image.webp) no-repeat;background-position: 0 0;background-size: 65px 60px;}
.change{background-size: 90px 60px;}
.change a{color: rgb(130, 0, 0);}
.nav_li a{font-size: 45px;transition: all 0.3s;display: inline-block;}
.nav_li a:hover{transform: scale(1.067);color: rgb(130, 0, 0);}
.bq{margin-top: 25px;font-size: 20px;text-align: center;padding: 30px 0;font-weight: 500;}
.use_banner{width: 100%;height: 650px;margin: auto;margin-top: 40px;}
.use_banner img{width: 100%;height: 100%;}
.center{width: 80%;max-width: 1500px;margin: auto;}
.dt_tit{margin-top: 30px;display: flex;justify-content: center;}
.tit_box {width: 256px;height: 64px;background: url(../image/Column1、2-title.webp) no-repeat;background-position: 0 0;background-size: cover;text-align: center;line-height: 64px;color: #f1ebeb;font-size: 40px;}
.jtqybwg_tit_box{width: 450px;height: 64px;background: url(../image/Column4-title.webp) no-repeat;background-position: 0 0;background-size: cover;}
.dt_content{padding-bottom: 85px;position: relative;margin-top: 30px;display: flex;justify-content: center;}
.dtx_box{padding-bottom: 0;}
.dt_content img{width: 35%;height: 100%;}
.dtx_box img{width: 30%;height: 100%;}
.lhs_box img{width: 30%;height: 100%;}
.dt_c_r{width: 50%;margin-left: 10px;font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,"Helvetica Neue", Arial, sans-serif;}
.pr1{margin-bottom: 35px;line-height: 1.8;}
.scenery{margin-top: 95px;}
.scenery_tit{display: flex;justify-content: center;margin-bottom: 75px;}
.scenery_tit img{width: 180px;height: 50px;}
.scenery_box{display: flex;align-items: center;justify-content: space-between;margin-bottom: 70px;font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,"Helvetica Neue", Arial, sans-serif;line-height: 1.8;padding: 0 10%;}
.scenery_left{width: 49%;}
.scenery_right{width: 48%;}
.scenery_right img{width: 100%;height: 100%;}
.jtqybwg_con_box{font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,"Helvetica Neue", Arial, sans-serif;display: flex;justify-content: space-between;padding: 0 5%;line-height: 1.8;}
.j_left{margin-top: 50px;width: 48%;}
.j_left p{margin-bottom: 25px;}
.qt_box_img{text-align: center;}
.qy_img{width: 90%;margin-top: -50px;}