.syhead-box {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    background-color: #fff;
    width: 85vw;
    height: 80px;
    border-radius: 10px;
}
.syhead {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding-left: 50px;
    padding-right: 50px;
}

.syhead .l {
}
.syhead .r {
    width: 50%;
    height: 100%;
}
.syhead .r ul{
    display: flex;
    justify-content: space-between;
    height: 100%;
    align-items: center;
}
.syhead .r ul li {
    height: 100%;
    position: relative;
}
.syhead .r ul li:last-child {
    margin-right: 0;
}
.syhead .r ul li a{
    display: block;
    line-height: 80px;
}
.syhead .r ul li a:hover {
    color: #71CB2E;
}
/*.syhead .r ul li a:hover:before {*/
/*    content: '';*/
/*    position: absolute;*/
/*    bottom: 0;*/
/*    width: 70px;*/
/*    height: 10px;*/
/*    background-image: url("../images/on.jpg");*/
/*    background-size: 100% 100%;*/
/*}*/

.syhead .r ul .on a {
    color: #71CB2E;
}

.syhead .r ul .on a:before {
    content: '';
    position: absolute;
    bottom: 0;
    width: 70px;
    height: 10px;
    background-image: url("../images/on.jpg");
    background-size: 100% 100%;
}

.syhead .r .subnav {
    display: block;
    width: max-content;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 50px);
    opacity: 0;
    z-index: 10;
    pointer-events: none;
    transition: all 0.4s ease;
    background: #fff;
}
.syhead .r .subnav a {
    color: #000 !important;
    transition: all .4s;
    padding: 0 20px;
    line-height: 60px;
}
.syhead .r .subnav a:hover {
    color: #fff !important;
    background-color: #71CB2E;
}
.syhead .r ul li:hover .subnav {
    transform: translate(-50%, 0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: 0 0 20px 0 rgba(0,0,0,0.08);
}


.sticky {
    position: fixed;
    top: 0;
    width: 100%;
    /* border: none; */
    border-radius: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.mobheader {
    display: none;
}

/*公共底部开始*/
.foot .contact{
    background-image: url("../images/concact-bj.png");
    background-size: cover;
    padding-top: 100px;
    padding-bottom: 100px;
}
.foot .contact .contact-box {
    display: flex;
    justify-content: space-between;
}
.foot .contact .contact-box .l {
    color: #fff;
}
.foot .contact .contact-box .l h1{
    font-size: 55px;
    margin-bottom: 30px;
}
.foot .contact .contact-box .l p {
    font-size: 26px;
    line-height: 2;
}
.foot .contact .contact-box .r a {
    display: inline-block;
    padding: 13px 56px;
    background-color: #fff;
    color: #000;
    transition: all .5s;
}
.foot .contact .contact-box .r a:hover {
    transform: translateX(10px);
}
.foot .foot-box {
    background-color: #444444;
    color: #fff;
}
.foot .foot-box .foot-container {
    display: flex;
    justify-content: space-between;
    padding: 100px 0 160px 0;
}
.foot .foot-box .foot-container .l {
    width: 23%;
}
.foot .foot-box .foot-container .l .logo {
    margin-bottom: 30px;
}
.foot .foot-box .foot-container .l .code {
    display: flex;
    justify-content: space-between;
}
.foot .foot-box .foot-container .r {
    width: 60%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.foot .foot-box .foot-container .r .nav {
    border-bottom: 1px solid #fff;
}
.foot .foot-box .foot-container .r .nav ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.foot .foot-box .foot-container .r .nav ul li a {
    display: inline-block;
    line-height: 3;
}
.foot .foot-box .foot-container .r .info {
    display: flex;
    align-items: center;
    margin-top: 25px;
    font-size: 28px;
}
.foot .foot-box .foot-container .r .info img {
    margin-right: 20px;
}