*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}

#header{
    height: 210px;
    background: white;
}

#header .header_top{
    height: 36px;
    background:#f5f5f5;
}

#header .header_top_center{
    width: 1200px;
    height: 36px;
    margin: 0 auto;
    line-height: 36px;
}
#header .header_top_center .h_top_left{
    color: gray;
    font-size: 13px;
    float: left;
    height: 36px;
}
#header .header_top_center .h_top_right{
    color: gray;
    font-size: 13px;
    float: right;
    height: 36px;
}
#header .header_top_center.h_top_right a{
    color: #6c6c6c;
    margin: 0 5px;
    font-size: 13px;
}

#header .header_center{
    height: 124px;
    width: 1200px;
    margin: 0 auto;
}

#header .header_center .h_c_logo{
    width: 190px;
    height: 124px;
    float: left;
}

#header .header_center .h_c_search{
    width: 815px;
    height: 124px;
    float: left;
}

#header .header_center .h_c_code{
    width: 190px;
    height: 124px;
    float: left;
}

#header .h_c_logo img{
    width: 200px;
    height:120px;
    margin-top:4px ;
}

#header .h_c_search form{
    width: 650px;
    height: 40px;
    margin-top: 40px;
    margin-left: 50px;
}
#header .h_c_search form .t_input{
    width: 555px;
    height: 40px;
    border: 2px solid black;
    padding-left: 10px;
}

#header .h_c_search form .t_button{
    width: 75px;
    height: 40px;
    border: 1px solid gray;
    float: right;
    color: orange;
    margin-left: 5px;


}
#header .h_c_search .hot{
    margin-left: 80px;
    margin-top: 5px;
}
#header .h_c_search .hot a{
    color: #6c6c6c;
    font-size: 15px;
}

#header .h_c_search .hot a:hover{
    color: orangered;
}

#header .h_c_code img{
    margin-top: 10px;
    margin-left: 20px;
    width: 140px;
    height: 110px;
}
#header .nav{
    width: 1200px;
    height: 44px;
    margin: 0 auto;
    background: darkslategrey;
    line-height: 44px;
    border-radius:8px 8px 8px 8px ;
}
#header .nav ul{
    list-style: none;
    width: 1200px;
    height: 44px;
    display: flex;
}
#header .nav ul li{
    flex: 1;
    text-align: center;
}

#header .nav ul li a{
    color: white;
    font-size: 16px;
    font-weight: bold;
}
#header .nav ul li a:hover{
    font-size: 25px;
}