.header_top{
    width: 100%;
    background: #353535;
    height: 40px;
    display: flex;
    justify-content: space-between;
    .left{
        display: flex;
        li{
            line-height: 40px;
            margin-left: 35px;

            a{
                font-weight: bold;
                color: #ffffff;
                text-decoration: none;
            }
        }
    }
    .right{
        display: flex;
        li{
            line-height: 40px;
            margin-right:15px;
            height: 20px;
            a{
                color: #ffffff;
                text-decoration: none;
             
            }
        }
    }

}

.nav{
    .Box{
        .logo{
            width: 25%;
            float: left;
            img{
                padding-left:  45px;
                margin-top: 15px;
                width: 260px;
                
            }
            
        }
        .search{
           float: left;
           padding-top: 40px;
           width: 60%;

           .box{
                .top{
                    input{
                        width: 600px;
                        height: 40px;
                        border: 2px solid #0075bd;
                    }
                    button{
                        width: 85px;
                        height: 40px;
                        background: #0075bd;
                        border: 2px solid #0075bd;
                    }
                }
                .center{
                    margin-top: 10px;
                    ul{
                        width: 500px;
                        display: flex;
                        justify-content: space-around;
                        li a{
                            color: #ffa600;     
                        }

                        li .blue{
                            color: #0075bd;
                        }
                       
                    }
                }
                .bottom{
                    ul{
                        display: flex;
                        li{
                            margin-right: 25px;
                            a{
                                color: #333333;
                                font-size: 18px;
                                font-weight: bold;
                                
                            }
                        }
                    }
                }
           }
        }
        .buy{
            float: left;
            width: 10%;
            padding-top: 40px;
            position: relative;
            .bybtn{
                width: 150px;
                background: #f6f8fc;

                height: 40px;
            }
            .icon{
                position: absolute;
                left: 30px;
                top:48px;
            }

            

        }
    }
   
}