.new-nav {
    position: fixed;
    z-index: 2000;
    top: 0px;
    width: 100%;
    height: 80px;
    line-height: 80px;
    margin: 0 auto;
    padding: 0 60px;
    /*background: #FFFFFF;*/
    /*box-shadow: 0px 2px 8px 0px rgba(0,0,0,0.1);*/
}
.top-top img{
    margin-bottom: 3px;
}
.bg-black{
    background: #000;
}

.bg-white{
    background: #fff;
}



.nav-hide{
    display: none;
}
.menu-open{
    height: 100%;
}
a,a:hover{
    text-decoration: none;
}
.bottom-nav a{
    font-size: 1.6rem;
    color: #999999;
}
.pc-index{
    display: flex;
    flex-direction: column;
    align-itrems: center;

    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
}
#menu ul li {
    width: 14%;
    float: left;
    height: 100vh;
    line-height: 100vh;
    list-style: none


}

#menu ul li a{
    text-decoration: none;
}

#menu .title {
    position: relative;
    color: #ffffff;
    font-size: 3rem;
    height: 50px;
    text-align: center;
}

#menu .title-en {
    height: 20px;
    font-size: 2rem;
    color: #999999;
    text-align: center;
}
.nav-full {

    width: 100%;
    height: 100%;
    background: #000;
    position: absolute;
    z-index: 11;
}


#menu-content {
    position: relative;
    width: 56%;
    top: 37%;
    left: 0;

}

.menu-contain{
    width: 75%;
    position: relative;
    left: 23%;
}

.hide {
    display: none;
}

.open {
    display: block;
}

.menu {
    position: fixed;
    top: -150vh; /* 负值使菜单超出屏幕上方 */
    right: -80vw; /* 负值使菜单超出屏幕右侧 */
    width: 0;
    height: 0;
    background-color: #000;
    transition: width 0.9s, height 0.9s, opacity 0.3s ease, visibility 0.3s ease;;
    overflow: hidden;
    border-radius: 50%;
    z-index: 1000;
}

.menu.open {

    width: 200vw; /* 调整宽度为菜单半径的两倍 */
    height: 400vh; /* 调整高度为菜单半径的两倍 */

}

.menu-content {
    position: relative;
}

.font-size-50{
    font-size: 5rem;
}
.font-color-222{
    color: #222222;
}
.color-000{
    color: #000000;
}
.font-size-22{
    font-size: 2.2rem;
}
.font-size-16{
    font-size: 1.6rem;
}
.font-color-666{
    color: #666666;
}
.font-color-999{
    color: #999999;
}
.spacing{
    word-spacing: 5px;
}
.mb-20{
    margin-bottom: 20px;
}
/*在线客服*/
.online {
    position: fixed;
    bottom: 150px;
    right: 0px;
    width: 60px;
    z-index: 999;
    color: #333;
    box-shadow: 0px 2px 16px 0px rgba(0,0,0,0.2);
    background: #fff;
}

.online a {
    color: #666;
}

.online a:hover {
    text-decoration: none;
}

.online dl {
    background: #fff;
    padding: 10px 5px;
    margin-bottom: 1px;
    position: relative;
}

.online dl dd {
    color: #222222;
    text-align: center;
    font-size: 12px;
    cursor: pointer;
}

.online dl dd i {
    font-size: 25px;
}

.online dl:hover {
    background: #ffff;
}

.online dl dt {
    position: absolute;
    top: 0px;
    right: 60px;
    background: #fff;
    border: 1px solid #ccc;
    z-index: 9999;
    display: none;
    padding: 10px 15px;
    font-weight: normal;
}

.online dl dt h3 {
    display: block;
    font-size: 16px;
    color: #666;
    border-bottom: 1px solid #ccc;
    padding-bottom: 5px;
}

.online dl dt h3 i {
    margin-right: 5px;
}

.online dl dt h3 span {
    float: right;
    cursor: pointer;
}

.online dl dt input {
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-top: 15px;
    height: 40px;
    line-height: 40px;
    padding: 3px 5px;
    width: 100%;
}

.online dl dt button {
    margin: 10px 0;
    border: none;
    border-radius: 5px;
    width: 100%;
    font-size: 18px;
    height: 40px;
    line-height: 40px;
    background: #28a7e1;
    color: #fff;
    cursor: pointer;
}

.copyright p{
    margin-bottom: 0;
}

