.header .head_top {
    padding: 0.42rem 0 0.34rem;
    position: relative;
    overflow: hidden;
}

.header .head_top .container {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
    top: 50%;
    transform: translateY(-50%);
}

#particles-js {
    width: 100%;
    height: 4rem;
}

.header .main {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header .head_logo,
.header .head_phone {
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
}

.header .head_logo h1 {
    font-family: SC-Heavy;
    font-weight: 800;
    font-size: 0.4rem;
    color: #4F463D;
    line-height: 1;
}

.header .head_logo .head_img {
    width: auto;
    height: 0.43rem;
    margin-left: 0.77rem;
    position: relative;
}

.header .head_logo .head_img img {
    width: auto;
    height: 100%;
    object-fit: contain;
}

.header .head_logo .head_img::before {
    content: "";
    position: absolute;
    width: 0.01rem;
    height: 0.4rem;
    background: #707070;
    left: -0.4rem;
    top: 0.02rem;
}

.header .phone_icon {
    width: 0.42rem;
    height: 0.42rem;
    margin-right: 0.11rem;
}

.header .phone_txt .phone_title {
    font-family: SC-Heavy;
    font-weight: bold;
    font-size: 0.16rem;
    color: #E28000;
    line-height: 1;
}

.header .phone_txt .phone_cont {
    font-family: Poppins-Bold;
    font-weight: bold;
    font-size: 0.24rem;
    color: #000000;
    line-height: 0.33rem;
}
.header .head_user{
    width: auto;
    height: 0.35rem;
    background: #EFEFEF;
    border-radius: 0.18rem;
    margin-left: 0.21rem;
    cursor: pointer;
    display: flex;
    align-items: center;
}
.header .head_user .head_icon{
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #E28000;
}
.header .head_user .head_icon img{
    filter: brightness(0) invert(1);
}
.header .head_user span{
    font-family: CN-Medium;
    font-weight: 500;
    font-size: 16px;
    color: #000000;
    padding: 0 0.19rem 0 0.13rem;
}
.header .head_user:hover{
    background: #E28000;
}
.header .head_user:hover span{
    color: #fff;
}








.header .haed_bottom {
    width: 100%;
    background: #4F463D;
}

.header .haed_bottom .head_nav {
    padding: 0.22rem 0.43rem;
    box-sizing: border-box;
    font-family: CN-Regular;
    font-weight: 400;
    font-size: 0.2rem;
    color: #FFFFFF;
    line-height: 1;
    width: auto;
    position: relative;
}

.header .haed_bottom .head_nav::before,
.header .haed_bottom .head_nav::after {
    content: "";
    position: absolute;
    width: 0.06rem;
    height: 0.07rem;
    top: 50%;
    transform: translateY(-50%);
}

.header .haed_bottom .head_nav::before {
    background: url(../img/nav_fl.png) center no-repeat;
    background-size: contain;
    left: 0.26rem;
}

.header .haed_bottom .head_nav::after {
    background: url(../img/nav_fr.png) center no-repeat;
    background-size: contain;
    right: 0.26rem;
}

.header .haed_bottom .head_nav.act,
.header .haed_bottom .head_nav:hover{
    color: #FFFFFF;
    background: #E28000;
}

.header .haed_bottom .head_nav.act::before ,
.header .haed_bottom .head_nav:hover::before {
    background: url(../img/nav_fl2.png) center no-repeat;
    background-size: contain;
}

.header .haed_bottom .head_nav.act::after ,
.header .haed_bottom .head_nav:hover::after{
    background: url(../img/nav_fr2.png) center no-repeat;
    background-size: contain;
}







/* 飘窗广告 */
.info {
    width: 3.7rem;
    max-height: 3.97rem;
    height: auto;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9999;
    cursor: pointer;
    pointer-events: auto; 
}

.info a {
    width: 100%;
    height: fit-content;
}

.info .info_close {
    position: absolute;
    width: 0.2rem;
    height: 0.2rem;
    top: 0.08rem;
    right: 0.09rem;
    cursor: pointer;
    z-index: 10000;
}






/* 左右广告框 */
.info_item.fl,
.info_item.fr{
    position: fixed;
    width: 1.6rem;
    height: 4.6rem;
    bottom: 0;
    left: 0;
}
.info_item.fr{
    right: 0;
    left: auto;
}
.info_item .info_img {
    position: absolute;
    width: 0.2rem;
    height: 0.2rem;
    top: 0.08rem;
    right: 0.09rem;
    cursor: pointer;
    z-index: 10000;
}










.nav_url{
    position: fixed;
    right: 0.02rem;
    z-index: 2;
    top: 1rem;
}

.nav_url .nav_item {
    width: 0.66rem;
    height: 0.66rem;
    margin: 0 0 0.03rem auto;
    position: relative;
}
.nav_url .nav_item .nav_icon{
    width: 0.66rem;
    height: 0.66rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 0.1rem;
    background: #EFEFEF;
    overflow: hidden;
    position: relative;
    z-index: 8;
}
.nav_url .nav_item .nav_icon img{
    width: 0.28rem;
    height: 0.28rem;
    object-fit: contain;
}
.nav_url .nav_item.goTop .nav_icon{
    background: #4F463D;
}

.nav_url .nav_item .nav_txt{
    position: absolute;
    opacity: 0;
    right: 0;
    width: fit-content;
    height: 0.66rem;
    padding: 0 0.2rem;
    line-height: 0.66rem;
    font-family: Poppins-Bold;
    font-weight: bold;
    font-size: 0.2rem;
    color: #4F463D;
    transition: all 0.5s;
    border-radius: 0.1rem;
    background: #EFEFEF;
    white-space: nowrap;
}

.nav_url .nav_item .nav_code{
    width: 1.2rem;
    height: 1.2rem;
    padding: 0.1rem;
}
.nav_url .nav_item .nav_code img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.nav_url .nav_item:hover .nav_txt{
    right: 80%;
    opacity: 1;
}
.nav_url .nav_item:hover .nav_code{
    right: 105%;
}










