.banner_box {
    width: 100%;
    height: calc(60px + 25rem);
    background: url(../images/lxwm.jpg) no-repeat;
    background-size: cover;
    position: relative;
}

.banner {
    max-width: 1420px;
    width: 85%;
    height: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;

}

.banner_nav_box {
    width: 100%;
    border-bottom: 1px #ffffff48 solid;
    position: absolute;
    top: 0;
    height: calc(10px + 2rem);
    display: flex;
    flex-direction: column;
    justify-content: center;

}

.banner_nav {
    max-width: 1420px;
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0.5rem;
}

.banner_nav div {

    font-family: PINGFANG;
    font-weight: 300;
    font-size: calc(6px + 0.5rem);
    color: #FFFFFF;

}

.banner_text {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: calc(1px + 0.5rem);
}

.banner_text div:nth-of-type(1) {

    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 1.5rem);
    color: #FEFEFE;
}

.banner_text div:nth-of-type(2) {

    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 1rem);
    color: #FEFEFE;
}

.nav_box {
    width: 100%;

    height: calc(20px + 3rem);
    background: #FFFFFF;
    box-shadow: 0px 4px 6px 0px rgba(3, 15, 53, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nav {
    max-width: 1420px;
    width: 85%;
    height: 100%;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: calc(9px + 30rem);
}

.nav .navItem {
    height: 100%;
    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 0.5rem);
    color: #333333;
    display: flex;
    align-items: center;
}
.nav .navItem:hover{
    color: #D21010;
}
.nav a{
    position: relative;
}
.nav a:hover .nav_line{
    width: 100%;
    transition: .5s;
}
.nav_line{
    width: 0;
    height: 1px;
    background-color: #D21010;
    position: absolute;
    bottom: 0;
    left: 0;
}

.nav a {
    height: 100%;
}

.nav a:nth-of-type(1) .navItem {
    color: #D21010;
    border-bottom: 1px #D21010 solid;

}


.contact_info_box{
    width: 100%;
    padding-bottom: calc(58px + 10rem);
}
.contact_info{
    max-width: 1420px;
    width: 85%;
    margin: auto;
    overflow: hidden;
}

.contact_info_title{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: calc(4px + 0.5rem);
    margin-top: calc(29px + 5rem);
}
.contact_info_title div:nth-of-type(1){
   
    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(2px + 1rem);
    color: #D21010;
}

.contact_info_title div:nth-of-type(2){
   
font-family: PINGFANG;
font-weight: 600;
font-size: calc(10px + 1rem);
color: #333333;

}

.contact_info_map{
    width: 100%;
    height: calc(160px + 20rem);
    /* background: url(../images/map.png) no-repeat;
    background-size: cover; */
    margin-top: calc(8px + 3rem);
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;

}


.contact_info_con{
    width: 26.8%;
    height: 81.9%;
    background: #FFFFFF;
    margin-right: calc(8px + 2rem);
    padding: 0 calc(8px + 2rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: calc(6px + 1rem);
    position: absolute;
    right: 0;
}
.contact_info_text{
    display: flex;
    justify-content: center;
    gap: calc(2px + 1rem);
}
.contact_info_map .contact_info_icon{
    width: calc(6px + 1rem);
}
.contact_info_map .contact_info_icon img{
    width: 100%;
}

.contact_info_item{
    width: 80%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(2px + 0.5rem);
}
.contact_info_item p:nth-of-type(1){
    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(2px + 1rem);
    color: #333333;
}
.contact_info_item p:nth-of-type(2){

font-family:PINGFANG;
font-weight: 400;
font-size: calc(8px + 0.5rem);
color: #666666;
line-height: calc(10px + 1rem);
}

.message_box{
    width: 100%;
    background: #f5f5f5;
    padding: calc(1px + 5rem) 0;
  
}
.message{
    max-width: 1400px;
    width: 85%;
    margin: auto;
}
.message_title{
    font-size: calc;
}
.msg_box{
    width: 100%;
    display: flex;
    justify-content: space-between;
   flex-wrap: wrap;
   row-gap: calc(10px + 0.5rem);
   margin-top: calc(5px + 2rem);
}
.msg_input_item{
    width: 48%;
}
.msg_input_item:nth-of-type(3){
    width: 100%;
}
.msg_input_item p{
    font-size: calc(8px + 0.5rem);
    font-weight: bold;
    color: #666666;
    margin-bottom:calc(10px + 0.5rem);
}
.msg_input_item input{
    width:100%;
    height: calc(15px + 2rem);
    border: 1px #f1f1f1 solid;
    border-radius: calc(3px + 0.25rem);
    padding: 0 calc(5px + 0.25rem);
    background: #ffffff;
    font-size: calc(8px + 0.5rem);
    color: #666666;
}
.msg_input_item textarea{
     background: #ffffff;
      width:100%;
    height: calc(100px + 5rem);
    border: 1px #f1f1f1 solid;
    border-radius: calc(3px + 0.25rem);
    padding-left: calc(5px + 0.25rem);
    padding-top: calc(5px + 0.25rem);
     font-size: calc(8px + 0.5rem);
    color: #666666;
}
.msg_box a{
      width: 100%;
    height: calc(5px + 2rem);
}
.btn{
    width: 100%;
    height: 100%;
    border: none;
    background: #D21010;
    color: #ffffff;
    font-size: calc(8px + 0.5rem);
    margin-top: calc(5px + 0.5rem);
}

@media (max-width: 1100px) {
    .banner_nav_box{
        display: none;
    }

    .contact_info_title div:nth-of-type(1){
        font-size: calc(9px + 1rem);
    }
    .contact_info_box{
        padding-bottom: calc(10px + 1rem);
    }
    .contact_info{
        height: calc(100px + 125rem);
    }
    .contact_info_map{
    display: block;
    width: 100%;
    height: auto;
    position: relative;
    }
    .contact_info_con{
        width: 100%;
        position: static;
        z-index: 10;
        height: auto;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        margin-top: calc(15px + 1rem);
    }
    .contact_info_text .contact_info_item{
        width: 100%;
    }

    .contact_info_text .contact_info_item p{
        font-size:calc(9px + 1rem) ;
    }
    .contact_info .contact_info_map .contact_info_icon{
        width: calc(10px + 1rem);
    }
    .contact_info .contact_info_map .contact_info_icon img{
        width: 100%;
    }
}