*{
    margin: 0;
    padding: 0;
}
/* 思源黑体CN 粗体 */
@font-face {
    font-family:"siyuan_bold";
    src: url("../../../css/fonts/SourceHanSansCN-Bold.otf");
}
/* 思源黑体CN 正常 */
@font-face {
    font-family:"siyuan";
    src: url("../../../css/fonts/思源黑体CN-ExtraLight.otf");
}
@font-face {
    font-family:"chendaiming";
    src: url("../../../css/fonts/chendaiming.woff");
}

.logo_slogan {
    font-family:"chendaiming";
    font-size: 24px; 
    color: #333;
    margin-left: 15px;
    vertical-align: middle;
}


.logo{
    width: 81px; 
}
.header{
    width: 100%;
    max-width: 1920px;
    margin: 0 auto; 
    margin-bottom: 0 !important;
    height: 80px;
    position: relative;
    top: 0;
    background-color: #fff;
    z-index: 1999;
    box-shadow: 0px 0px 10px #d6d6d6;
}
.header .dropdown{
    cursor: pointer;
    color: #333;
    height:30px;
    line-height: 30px;
}
 .header .mfsy{
    background: #00D1B2;
    color: #fff;
    padding: 8px 15px;
    height: initial !important;
    border-radius: 20px;
    cursor: pointer;
}
.navbox{
    height:100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
}
.header .nav {
    /* height: 50px; */
    padding-left: 10px;
    z-index: 999;
    font-family: MicrosoftYaHei;
    height: 100%;
    user-select: none;
}
ul {
    list-style: none;
}
.header .nav>ul {
    display: flex; 
    align-items: center; 
    height: 100%;
    gap: 56px;
    margin-bottom: 0;
}
.header .nav > ul > li {
    float: left;
    margin-right: 10px;
    position: relative;

} 
.header .nav a {
    display: block;
    text-decoration: none;
    color: #333;
    line-height: 30px;
}
.header .nav>ul>li{
    height: 100%;
    display: flex;
    align-items: center;
}
.header .nav>ul>li>a {
    font-size: 16px;
}
.header .nav a:hover{
    color: #00D1B2;
}
.header .nav li ul {
    position: absolute;
    top: 30px;
    display: none;
}
.header .chanpinzhongxin{
    background:#fff;
    width:700px;
    left: -250px;
    top: 80px !important;
    font-size: 14px;
    padding-bottom: 15px;
    box-shadow: 0 6px 10px rgba(0,0,0,.18); 
    border: 1px solid rgba(0,0,0,.15);
}
.header .chanpinzhongxin>div{
    float: left;
    width: 30%;
}
.header .chanpinzhongxin a {
    height: 35px;
    line-height: 35px;
    text-align: left;
}


/*产品中心二级菜单*/
.header .nav>ul>li.has-dropdown {
    position:static;
}

.chanpin-dropdown {
    display: none; 
    position: absolute;
    top: 80px; 
    left:0;
    width:100%;
    max-width: 1920px; 
    margin: 0 auto; 
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 30px;
    z-index: 2000;
    border-radius: 4px;
}


.has-dropdown:hover .chanpin-dropdown {
    display: block;
}


.dropdown-content {
    max-width: 1280px; 
    margin: 0 auto; 
    display: flex;
    padding: 0 20px; 
}

.dropdown-left {
    width: 150px;
    border-right: 1px solid #eee;
    margin-right: 30px;
}

.dropdown-left h3 {
    font-size: 20px;
    color: #333;
}

.dropdown-left p {
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

.dropdown-right {
    flex: 1;
    display: flex;
    gap: 20px;
    padding-left: 50px;
}


.pro-card {
    position: relative;
    width: 240px;
    height: 140px;
    border-radius: 16px; 
    overflow: hidden;
    display: flex;
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    text-decoration: none;
}
.pro-card .bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; 
    z-index: 1;
}
.card-content {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.pro-icon {
    width: 42px;  
    height: auto;
    margin-bottom: 10px;
}
.pro-card span {
    color: #ffffff;
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 1px;
    text-align: center;
}
.pro-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.pro-card::before {
    content: "";
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.4);
    z-index: 1;
}



  /* 移动端菜单 */
.mobileBox{
    width: 100%;
    height: 55px;
    background-color: #f8f8f8;
    display: none;
    position: fixed;
    top: 0;
    z-index: 1999;
}
.befor{
    display: block;
    height: 80px;
}
.header_mobile{
    display: none;
    font-size: 16px;
    width: 100vw;
    max-height: calc(100vh - 60px);
    overflow: auto;
    background-color: #fff;
}
.header_mobile a{
    color: #333;
    width: 100%;
}
.header_mobile li ul{
    display: none;
}
.header_mobile ul{
    padding-left: 35px;
}
.header_mobile li{
    min-height: 50px;
    line-height: 50px;
}
.dropdown_mobile{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.seleicon{
    width:20px;
    height:20px
}
.ul2>li a{
    color: #787e85;
    font-size: 14px; 
}
.ul2>li ul{
    font-size: 14px;
    color: #787e85;    
}

.menuIcon{
    height: 100%;
    display: flex;
    align-items: center;
}
#zzc{
    background-color: rgba(0,0,0,.6);
    height: 100vh;
    z-index: 1998;
    position: fixed;
    top: 0;
    left:0;
    width: 100%;
    display: none;
}
.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
    outline: none !important;
} 


@media (max-width: 1000px)  {
    .header .nav>ul { 
        gap: 15px; 
    }
} 

@media (min-width: 768px)  {
    #zzc{
        display: none;
    }
} 
@media (max-width: 768px)  {
    .header{
        display: none;
    }
    .mobileBox{
        display: block;
    }
    .header_mobile a{
        display: inline-block;
    } 
    .befor{
        height: 55px;
    }
}