body,
dd,
dl,
dt,
form,
h1,
h2,
h3,
h4,
h5,
h6,
html,
img,
legend,
li,
ol,
p,
i,
a,b,
ul {
    margin: 0px;
    padding: 0px;
    font-style: normal;
    text-decoration: none;
    font-size: 12px;
    list-style: none;
}
 
html{
    overflow-x: hidden;
}

.heard {
    width: 100%;
   
    position: fixed;
   
    z-index: 9;
}
.content{
    width: 1920px;
    margin: auto;
}
.nav_box{background: rgba(0, 0, 0, .8);height: 61px;}
.nav-logo{
    width: 100%;
    height: 42px;
    background: #fff;
}
.logo{
    width: 402px;
    height: 42px;
}
.nav_logo {
   
}

.nav_list {}

.content {}

.nav,
.area,
.logo-box,
.footer_nav {
    max-width: 1200px;
    width: 100%;
    margin: auto;
}
.area h1{
    text-align: center;
    margin-bottom: 50px;
}
.nav{
    display: flex;
    
}
.nav a{
    width: 160px;
    height: 61px;
    text-align: center;
    flex-shrink: 0;
    line-height: 25px;
   
}
.nav i{
    text-align: center;
    flex-shrink: 0;
}
.nav  i img{
    width: 100%;
    transition: all .5s;
}
.nav a b{
    font-size: 18px;
    color: #fff;
    display: block;
    width: 100%;
    font-weight: normal;
    margin-top: 10px;
    
}
.nav a span{
    font-size: 12px;
    color:#ffb22e;
    display: block;
        width: 100%;
}
.nav a:hover{
    background: url('img/00.png') no-repeat center center;
    background-size: cover;
 
}
 .area_big_01{
    width: 1920px;
    height:770px;
    background: url('img/bj01.png.gif') no-repeat center center;
        background-size:cover;
        overflow: hidden;
 }

 .area_big_02{
    width: 1920px;
    height:770px;
    background: url('img/bj02.png') no-repeat center center;
        background-size:cover;
        overflow: hidden;
 }

  .area_big_03{
    width: 1920px;
    height:900px;
    background: url('img/bj03.png.jpg') no-repeat center center;
        background-size:cover;
        overflow: hidden;
 }

 .area_big_03 .title_img{
    margin: 0px;
 }

.area_01 {
    position: relative;
    width: 1920px;
    height:1000px;
    background: url('img/187zg.jpg') no-repeat center center;
        background-size:cover;
}
.area_01 video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.area_01 .area_but_02 {
    left: 1180px;
}
.area_01 .area_but_01 {
    left: 380px;
}
/* .area_01 a {
    position: absolute;
    width: 400px;
    height: 150px;
    bottom: 165px;
    
    
} */

.area_01_but{
    background-size: cover;
    position: absolute;
    margin: auto;
    left: 0px;
    right: 0px;
    bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
       
}
.area_01_but a{
    width: 379px;
    height: 119px;
    flex-shrink: 0;
   
   

}
.area_01_but a:nth-child(1){
 
    background: url("img/03.png") no-repeat;
    margin: 0px;
   
}
.area_01_but a:nth-child(2){
    background: url("img/04.png") no-repeat;
}
.area_01_but a:nth-child(3){
    background: url("img/05.png") no-repeat;
}

.area_01_but a:nth-child(1):hover{
    background: url("img/03-1.png") no-repeat;
}
.area_01_but a:nth-child(2):hover{
    background: url("img/04-1.png") no-repeat;
}
.area_01_but a:nth-child(3):hover{
    background: url("img/05-1.png") no-repeat;
}
.title_img{
    text-align: center;
    margin: 50px 0px 35px 0px;
    overflow: hidden;
}
 
 .area_03{
    overflow: hidden;
 }
.area_03_list {
    display: flex;
    width: 1263px;
    height: 620px;
    margin: auto;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.area_03_list span{
    width: 44px;
    height: 77px;
    cursor: pointer;
    position: absolute;
}
.area_03_list span.sp1  {
    background: url('img/ll.png') no-repeat center center;
        background-size: cover;
        left: 0px;
}
.area_03_list span.sp2  {
    background: url('img/rr.png') no-repeat center center;
        background-size: cover;
        right: 0px;
}

.area_03_list span.sp1:hover {
    background: url('img/ll-1.png') no-repeat center center;
}
.area_03_list span.sp2:hover  {
    background: url('img/rr-1.png') no-repeat center center;
}
.area_03_img{
    width: 950px;
    height: 540px;
 text-align: center;
    overflow: hidden;
    box-sizing: border-box;
 margin: auto;
    background: #434342;
}
.area_03_img img{width: 100%; height: 100%; margin-bottom: .2px;}
 
.area_05 {
    width: 1280px;
    height: 540px;
    margin: auto;
    margin-top: 00px;
    background: url('img/07.png') no-repeat center center;
    background-size: cover;
    overflow: hidden;
 
     
       
}

.area_05-l{
    width: 372px;
    height: 394px;
    float: left ;
    overflow: hidden;
    background: url('img/f0.png') no-repeat center bottom;
    margin-left:63px;
    margin-top: 116px;
   
}

.area_05-l-but{
    width: 42px;
    overflow: hidden;
    margin-top: 20px;
    margin-left: 30px;
}
.area_05-l-but span{
    width: 42px;
    height: 42px;
    display: block;
    cursor: pointer;
     background: url('img/11.png') no-repeat 0px -42px;
     margin-bottom: 20px;
     color: #cca563;
     font-size: 18px;
     text-align: center;
     line-height: 42px;
}

.area_05-l-but span.atv{
    background: url('img/11.png') no-repeat 0px 0px;
}

.area_05-r{
    float: right ;
    overflow: hidden;
    margin-right: 150px;
    margin-top: 130px;
    
}

.area_05-r p{
color: #fff5d4;
    font-size: 16px;
    line-height: 35px;
}

.area_05 .area{
     padding-top: 50px;
    margin-left: 460px;
    color: #ffdf5d;
 
    line-height:40px;
    
   

                
}
.area_05 .area p{
font-size: 16px;
}

 
 
 
 
 
.footer {

    width: 1920px;
    height: 200px;
    background: url('img/foot.png') no-repeat  ;
    background-size: cover;
    display: flex;
    margin: auto;
}
.footer_nav {
    text-align: center;
    line-height: 30px;
color: #989898;
padding-left: 0px;
}
.footer_nav a{
color: #989898;
padding: 0px 5px;
}

.mt_20 {
    margin-top: 20px;
}

.mb_20 {
    margin-bottom: 20px;
}

.footer_nav_logo {}

.footer_nav_list {}

.cen{
    display: none;
}
.show-box{

    margin: auto;
    overflow: hidden;
    width:1320px;
    height:500px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.img-box{
 
    display: flex;
   width: 1099px;
   height: 490px;
   margin: auto;
 

   overflow: hidden;
}
.img-box-list{
    width: 100%;
    display: flex;
    justify-content:space-around;
    align-items: center;
    transform:translate(0px,0px);
    transition: all .3s;
}

.img-box-list img{
    width: 365px;
    height:477px;
}
.img-box-list img:nth-child(1){
    margin-left: 0px;
}
.img-box-list img:last-child{
    margin-right: 0px;
}
.show-box span{
     width: 44px;
    height: 77px;
    cursor: pointer;
}
.show-box span.sp1 {
    background: url('img/ll.png') no-repeat center center;
      
        left: 0px;
}
 .show-box span.sp2 {
    background: url('img/rr.png') no-repeat center center;
         
        right: 0px;
}

.show-box span.sp1:hover {
    background: url('img/ll-1.png') no-repeat center center;
}
.show-box span.sp2:hover  {
    background: url('img/rr-1.png') no-repeat center center;
}