*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.box{
    width: 1920px;
    margin: 0 auto;
}
.dh{
    display: flex;
    width: 100%;
    height: 100px;
    line-height: 100px;
    
}
.hd1{
    margin-left: 250px;
    padding-top: 10px;
}
.hd1 img{
    height: 70px;
}
.dh ul{
    width: 50%;
    margin-left: 40%;
    padding-right: 100px;
    display: flex;
    justify-content: space-between;
}
.dh  a{
    color: black;
    font-size: 18px;
}
.a1{
    color: blue !important;
}
.nr1{
    width: 100%;
    display: flex;

}
.nr11 {
    width: 200px;
    height: 500px;
    margin: 130px 0 0 0;
    padding: 60px 0;
    margin-right: 100px;
    background-color: rgba(255, 255, 255, .3);
}
.nr11 ul{
    padding-left: 30px;
    font-size: 24px;
    line-height: 60px;
}
.nr12 img{
    width: 250px;
    height: 140px;
}
.nr12{
    margin-top: 50px;
    width: 100%;
    text-align: center;
}
.nr12 ul{
    padding-right: 150px;
    margin-bottom: 40px;
    width: 100%;
    display: flex;
    color: white;
    justify-content: space-between;
}
.nr12 ul li{
    width: 250px;
}
.a2{
    color: yellow;
}
.nr2{
    width: 100%;
    padding-right: 100px;
}
.nr21{
    display: flex;
}
.nr211{
    width: 400px;
    height: 600px;
    background-color: #A0A0A0;
    color: white;
    padding: 50px;
}
.nr211 ul{
    width: 100%;
}
.nr211 li{
    display: flex;
    justify-content: space-between;
    margin-bottom: 45px;
    font-size: 18px;
}
.nr212{
    width: 100%;
    height: 600px;
    position: relative;
    overflow: hidden;
    background-color: #E8E8E8;
}
.nr212 img{
    /* width: 100%; */
    height: 600px;
    margin-left: 100px;
}
.nr212 h1{
    position: absolute;
    top: 120px;
    left: 100px;
    font-size: 80px;
}
.nr212 h3{
    position: absolute;
    top: 220px;
    left: 100px;
    font-size: 40px;
}
.nr212  button{
    position: absolute;
    top: 340px;
    left: 100px;
    width: 200px;
    height: 50px;
    background-color: blue;
    color: white;
    border: 0;
    font-size: 18px;
    letter-spacing: 3px;
}
.nr22{
    margin-top: 20px;
    display: flex;

}
.nr221{
    width: 400px;
    height: 260px;
    background-color: #5F5651;
    padding: 50px;
}
.nr221 ul{
    width: 100%;
    display: flex;
    justify-content: space-between;
    text-align: center;
    margin-bottom: 50px;
color: white;
font-size: 14px;
}
.nr222{
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding-left: 50px;
}
.nr2221{
    width: 450px;
    height: 260px;
    position: relative;
    background-color: #E6E6E6;
    padding: 50px;
}
.nr2221 img{
    position: absolute;
    right: 0;
    top: 30px;
    width:240px;
}
.nr2221 span{
    color: red;

}
.nr3{
    width: 100%;
    padding: 0 50px;
   
    overflow: hidden;
}
.nr31{
    width: 100%;
    height: 700px;
    position: relative;
}
.nr31 img{
    width: 100%;
}
.nr311{
    width: 180px;
    height: 200px;
    padding: 30px 0;
    position: absolute;
    top: 250px;
    left: 0;
  /* overflow: hidden; */
    background-color: #A0A0A0;
}
.nr311>ul>li{
    width: 100%;
    display: flex;
    justify-content: space-between;
    color: white;
    font-size: 20px;

    line-height: 70px;
    position: relative;
}
.nr311>ul>li>p{
    display: block;
    width: 100%;
    color: white;
    display: flex;
    padding: 0 20px;
    justify-content: space-between;
}
.r3{
    width: 180px;
    position: absolute;
    top: -30px;
    right: -180px;
    text-align: center;
    padding: 20px 0;
    background-color: #ccc;
    display: none;
}
.nr311>ul>li>a:hover .r3{
    display: block;
}
.r3 li{
    line-height: 50px;
}
.r3 a{
    color: black;
}
.nr32{
    width: 100%;
    margin-top: 30px;
}
.nr32 ul{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.nr32 li{
    position: relative;
    width: 550px;
}
.nr32 li img{
    width: 100%;
}
.nr32 li h2{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    text-align: center;
    width: 100%;
    line-height: 50px;
}
.nr4{
    width: 100%;
    height: 939px;
    padding: 0 50px;
    position: relative;
}
.nr4 p{
    display: block;
    position: absolute;
    top: 200px;
    left: 200px;
    width: 400px;
    height: 400px;
    padding: 50px;
    background-color: rgba(255, 255, 255, .5);
}
.bbb{
    width: 1200px;
    text-align: center;
    line-height: 600px;
}
.nr211 a{
    color: black;
    display: block;
    width: 100%;
    display: flex;

    justify-content: space-between;
}
.z1{
    color: blue !important;
}
.nr11 a{
    color: black;
}

.r1{
    width: 100%;
    padding: 50px;

}
.r111{
    width: 80px;
    height: 10px;
    background-color: blue;
}
.r1 h1{
    display: block;
    margin-bottom: 30px;
}
.r1 ul{
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}
.r1 ul img{
    width: 580px;
    height: 350px;
}
.r112 img{
    width: 100%;
}

.r6{
    position: absolute;
    right: 0;
    top: 200px;
    width: 280px;
    height: 220px;
    padding: 50px;
    background-color: rgba(255, 255, 255, 0.4);
}
.r9{
    position: absolute;
    top: 200px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 999;
    color: black;
    font-weight: bold;
}
.r9 h1{
    font-size: 90px;
}
.r9 h3{
    font-size: 50px;
}

.l1{
    position: absolute;
    top: 1400px;
    right:0;
    width: 60%;
    text-align: center;
    z-index: 999;
    color: black;
    font-weight: bold;
}
.l1 h1{
    font-size: 80px;
    font-weight: bold;
   
}
.l1 h3{
    font-size: 50px;
}
.l2{
    position: absolute;
    bottom:  300px;
    right:0;
    width: 60%;
    text-align: center;
    z-index: 999;
    color: black;
    font-weight: bold;
}
.l2 h1{
    font-size: 80px;
}
.l2 h3{
    font-size: 50px;
}