* {
    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");
}

.logo_slogan {
    font-family: "siyuan_bold";
    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, 0.18);
    border: 1px solid rgba(0, 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, 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;
    }
}