html,
body {
    height: 100%;
    width: 100%;
    background: #000000;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 400;
    margin: 0;
}

a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: #474157;
    text-decoration: none;
}

a:hover,
a:focus {
    color: #474157;
}
li{
    list-style-type: none;
}
hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
    border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 200;
    letter-spacing: 1px;
}

p {
    font-size: 16px;
    margin: 0;
    padding: 0;
}
.header{
    background-image: url(../images/sy_jbbjt.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 200px;
    padding: 0px 13%;
}
.logo{

}
.choice{
    background: #ff702A;
    padding: 8px 16px;
    border-radius: 30px;
    color: #ffffff;
}
.introduce{
    margin-top: 60px;
    margin-left: 60px;
    height: 80px;
}
.introduce-1{
    font-weight: bold;
    letter-spacing: 1px;
    font-size: 18px;
}
.introduce-2{
    font-size: 12px;
    letter-spacing: 1px;
}
.top-item{
    background-image: url(../images/sy_lbt.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 650px;
    position: relative;
}
.top-item p{
    color: #ffffff;
}
.guoqi{
    background-image: url(../images/sy_fybjt.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 160px;
}
.introduce-goods{
    background-image: url(../images/sy_zycpbjt.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 650px;
    text-align: center;
}
.introduce-goods-top{
    padding-top: 70px;
    padding-bottom: 20px;
}
.introduce-goods-sed img{
    width: 303px;
}
.introduce-goods-sed img:nth-child(2){
    margin: 0px 20px;
}
.introduce-goods-end{
    color: #ffffff;
    text-align: center;
    font-size: 14px;
    letter-spacing: 1px;
    margin-top: 65px;
}
.about{
    width: 100%;
    text-align: center;
}
.about-top{
    margin-top: 35px;
}
/*.about-sed img{*/
/*    width: 1200px;*/
/*    height: 565px;*/
/*}*/
.about-introduce{
    background-image: url(../images/sy_gywmbjt.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 1310px;
    text-align: center;
    color: #ffffff;
}
.about-introduce-1{
    color: red;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
}
.about-introduce-2{
    font-size: 14px;
    line-height: 21px;
    letter-spacing: 1px;
}
.flex-box{
    margin-top: 60px;
    display: flex;
    gap: 10px;      /* 图片间距 */
    justify-content: center;
}
.li-img li{
    width: 140px;
}
.li-img li img{
    width: 100%;
}
.li-img li p{
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
    margin-top: 30px;
}
.hx{
    width: 100%;
    text-align: center;
}
.hx-introduce{
    background-image: url(../images/sy_hxcpbjt.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 1490px;
    text-align: center;
    color: #ffffff;
}
.hx-top{
    padding-top: 60px;
}
.hx-sy-1{
    background-image: url(../images/sy_hxcp1.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 576px;
    text-align: center;
    color: #ffffff;
    margin-top: 30px;
    position: relative;
}
.hx-sy-1-1{
    text-align: left;
    position: absolute;
    left: 340px;
    top: 130px;
}
.hx-sy-1-1 .p-1{
    font-size: 30px;
    font-weight: bold;
    letter-spacing: 1px;
}
.hx-sy-1-1 .p-2{
    font-size: 15px;
    letter-spacing: 1px;
    color: red;
    margin-top: 10px;
}
.hx-sy-1-div{
    margin-top: 15px;
}
.hx-sy-1-div li{
    list-style-type: initial;
    font-size: 13px;
    line-height: 25px;
}
.hx-sy-2{
    background-image: url(../images/sy_hxcp2.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 576px;
    text-align: center;
    color: #ffffff;
    margin-top: 55px;
    position: relative;
}
.hx-sy-2-1{
    text-align: left;
    position: absolute;
    left: 85px;
    top: 150px;
}
.hx-sy-2-1 .p-1{
    font-size: 30px;
    font-weight: bold;
    letter-spacing: 1px;
}
.hx-sy-2-1 .p-2{
    font-size: 15px;
    letter-spacing: 1px;
    color: red;
    margin-top: 10px;
}
.hx-sy-2-div{
    margin-top: 15px;
}
.hx-sy-2-div li{
    list-style-type: initial;
    font-size: 13px;
    line-height: 25px;
}
.gc{
    background-image: url(../images/sy_gczsbjt@1x.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 910px;
    text-align: center;
    color: #ffffff;
    position: relative;
}
.gc-top{
    padding-top: 50px;
}
.gc-1 img{
    width: 178px;
}
.gc-1 img:nth-child(2n){
    margin: 0px 15px;
}
.kf{
    width: 100%;
    text-align: center;
    color: #ffffff;
}
.kf-show{
    background-image: url(../images/sy_jsbjt@1x.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 245px;
    text-align: center;
    color: #ffffff;
}
.kf-show p{
    background: #ffffff;
    opacity: 0.5;
    color: #7b7b7b;
    margin-right: 8px;
    padding: 3px 5px;
    border-radius: 5px;
}
.kf-top{
    padding-top: 50px;
}
.kf-div li{
    width: 236.75px;
    border-left: 1px solid #EDF7F1;
}
.kf-div li p{
    color: #000000;
    width: 160px;
    font-size: 13px;
    text-align: left;
    margin-bottom: 30px;
    letter-spacing: 1px;
}
.kf-div li:first-child{
    border-left: 0px;
}
.footer{
    border-top: 1px solid #ffffff;
    height: 160px;
    color: #ffffff;
    padding: 0px 5%;
}
.incon img{
    margin: 0px 5px;
}
@media (max-height: 500px) {

}

@media (min-width: 768px) {

}

@media (max-width: 767px) {


}