.base-box {
    width: 1368px;
    margin: auto;
}

.subtitle {
    font-size: 30px;
    font-weight: bold;
}

.desc {
    font-size: 24px;
    line-height: 34px;
}

.line {
    margin: 40px 0;
    height: 2px;
    background: #000000;
}

.desc-box {
    margin-bottom: 12px;
    padding: 30px 34px 58px;
    background: #FFFFFF url('../image/bg.png') no-repeat;
    background-size: 100% 100%;
    border-radius: 32px 32px 32px 32px;
}

.zz {
    display: flex;
    justify-content: space-between;
    margin-bottom: 70px;
}

.es-header {
    position: fixed;
    top: 0;
    z-index: 1000;
    color: #fff;
    width: 100vw;
    height: 80px;
    transition: all .2s ease;
}

.es-header .header-inner {
    display: flex;
    width: 1368px;
    height: inherit;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}

.es-header .nav-logo {
    display: block;
    width: 146px;
    height: 48px;
}

.es-header .header-nav {
    display: flex;
    height: inherit;
}

.es-header .nav-linktag {
    position:relative;
    color:#fff;
    font-weight: bold;
    font-size: 14px;
    transition: all .2s ease;
    display: flex;
    align-items: center;
    height: 100%;
    position: relative;
}
.es-header.active .nav-linktag {
    color:#000;
}
/* .es-header.active .es-logo{
    opacity:0;
} */
.es-header .nav-linktag.active:after{
    content:'';
    position:absolute;
    bottom:0;
    left:50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: #3963F5;
}
.es-header.active {
    background: #ffffff;
    border-color: #e2e2e2;
    box-shadow: 0px 8px 15px rgba(26, 58, 129, 0.03);
}
.es-header.nobackground {
    background: transparent;
    box-shadow: none;
}
.es-header.nobackground .nav-linktag{
    color:#fff;
}

.es-header .nav-item {
    display: flex;
    align-items: center;
    margin-left: 115px;
}
.es-header .nav-item .slide-nav {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100vw;
    background: #f5f5f5;
    box-shadow: 0px 8px 15px rgba(26, 58, 129, 0.03);
    transition: height .3s ease;
    overflow: hidden;
    height: 0;
}
.es-header .nav-item .slide-nav-wrapper{
    width:1368px;
    margin:0 auto;
    display:flex;
    justify-content: flex-end;
}
.es-header .nav-item .slide-nav-inner{
    padding: 30px 0 30px;
    box-sizing: border-box;
}
.es-header .nav-item:hover .slide-nav {
    height: 185px;
}

.es-header .slide-nav-item{
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}
.es-header .slide-nav-title a,
.es-header .slide-nav-title {
    transition: color .2s ease;
    font-weight: normal;
    line-height: 22px;
    margin-right:50px;
    font-size: 14px;
    font-weight: bold;
    color: #707070;
}

.es-header .slide-nav-desc {
    margin-left:50px;
}
.es-header .slide-nav-desc a,
.es-header .slide-nav-desc{
    line-height: 20px;
    font-size: 14px;
    color: #999;
}

.es-header .slide-nav-item a:hover {
    color: #3963F5;
}