.bigbox{
    width: 100vw;
    height: 700px;
    /* background-color: black; */
}
.littlebox{
    width: 600px;
    height: 500px;
    /* background-color: rgb(241, 239, 237); */
    margin: 150px auto;
    text-align: center;
}
.caihong{
    /* background-color: blue; */
    height: 50px;
    border-bottom: 1px solid #bcbbbb;
}
.zhanghao{
    /* background-color: blueviolet; */
    height: 50px;
    width: 400px;
    margin: 30px auto;
    border: 1px solid #bcbbbb;
}
.zhanghao input{
    border: 0px;
    height: 34px;
    margin-top: 7px;
    width: 380px;
    font-size: 17px;
}
.zhanghao1{
    line-height: 50px;
    height: 50px;
    width: 400px;
    margin: 50px auto;
    font-size: 20px;
    color: #fff;
    background-color: #EC5A29;
}
.zhanghao1 a{
    text-decoration: none;
    color: #fff;
}
.zhanghao1 a:hover{
    text-decoration: none;


}
.zhanghao1:hover{
    background-color: #EF8A34;
}
.yanzhengma{
    background-color: aquamarine;
}
.zhanghao2{
    height: 30px;
    width: 400px;
    /* border: 1px solid #bcbbbb; */
    margin: 0px auto;
    display: flex;
color: #6F6F6F;

}
.zhanghao2 p:first-child{
margin-right: 240px;
}
.zhanghao2 p:hover{
    color: #EB3300;
}
.yan{
    height: 50px;width: 100px;background-color: #EC5D2A;line-height: 50px;color: aliceblue;

}
.yan:hover{
    background-color: #EB3300;
}