.menu {
    position: relative;
    font-family:  OPPOSans-M, OPPOSans;
    font-size: 16px;
    vertical-align: middle;
    color: #333333;
    letter-spacing: 0;
    display: inline-block;
}

@media screen and (max-width: 980px) {
    .menu {
        font-size: 24px;
    }
}

.menu a {
    color:inherit;
    text-decoration: none;
}

.menu .menu-space {
    position: absolute;
    left:0px;
    top:20px;
    height: 32px;
    width: 100%;
    z-index: 5;
}

.menu-item {
    position: relative;
    display: inline-block;
    float: left;
    margin-left: 60px;
    color: #FFFFFF;
}

.menu .active .menu-title {
    color: #00B298;
}

.menu-item:hover .menu-title {
    color: #00B298;
}

.sub-menu {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 140px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 5;
    margin-top: 18px;
    color: #333333;
}

.sub-menu-case {
    margin-left: -67px;
    width:220px;
}

.sub-menu-productservice {
    width:220px;
    margin-left: -450px;
}

.sub-menu-productservice .sub-menu-item {
    position: relative;
    box-shadow: 46px 2px 49px 0px rgba(118, 103, 103, 0.32);
    border-bottom: 1px solid #979797;
    background: #FFFFFF;
    width: 587px;
    height: 164px;
    line-height: 164px;
    font-size: 30px;
    font-family: OPPOSans-M, OPPOSans;
    font-weight: normal;
    color: #000000;
}

.sub-menu-productservice .sub-menu-item img {
    position: absolute;
    top: 0;
    left: 0;
}

.sub-menu-item-right-one {
    position: absolute;
    width: 438px;
    height: 400px;
    top: 0;
    left: 543px;
    background: #FFFFFF;
    text-align: center;
    padding: 32px;
    padding-left: 76;
    border: 1px solid #979797;
}

.sub-menu-item-right-one:hover {
    background: #00B298;
}

.sub-menu-item-right-one:hover .sub-menu-item-right-one-title {
    color: #FFFFFF;
}

.sub-menu-item-right-one-title {
    width: 265px;
    height: 117px;
    font-size: 20px;
    font-family: OPPOSans-M, OPPOSans;
    font-weight: normal;
    color: #000000;
    line-height: 27px;
    display: inline-block;
    margin-top: 10px;
}

.sub-menu-item {
    background: #FFFFFF;
    padding-top: 10px;
    padding-bottom: 10px;
    text-align: center;
}

.sub-menu-item:hover {
    background: #00B298;
}

.menu-header-bar {
    position: absolute;
    height: 3px;
    width: 32px;
    top: 38px;
    background: #00B298;
    display: block;
    transition: left 2s;
    -moz-transition: left 2s;	/* Firefox 4 */
    -webkit-transition: left 2s;	/* Safari 和 Chrome */
    -o-transition: left 2s;	/* Opera */
}

.menu-item:hover .sub-menu {
    display: block;
}

.sub-sub-menu {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 220px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 6;
    margin-top: -40px;
    color: #333333;
    margin-left: 210px;
}

.sub-menu-item:hover .sub-sub-menu{
    display: block;
}