body {
    min-width: 1250px;
    overflow: auto;
    padding: 80px 0 0 0;
}

.M_Content {
    width: 1200px;
    margin: 0 auto;
}

.M_Menu {
    height: 80px;
    line-height: 80px;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #FFF;
    z-index: 9;
    box-shadow: 0px 5px 29px 0px rgba(153,153,153,0.2);
}

.M_Menu .Logo {
    float: left;
    overflow: hidden;
    cursor: pointer;
}

.M_Menu .Logo img {
    float: left;
    margin: 15px 20px;
}

.M_Menu .Menus {
    float: left;
    overflow: hidden;
    margin: 0 0 0 55px;
}

.M_Menu .Menus span {
    float: left;
    padding: 0 25px;
    color: #333333;
    cursor: pointer;
    overflow: hidden;
}

.M_Menu .Menus span i {
    font-size: 16px;
    float: left;
}

.M_Menu .Menus span.on i,
.M_Menu .Menus span.on2 i,
.M_Menu .Menus span:hover i {
    color: #3C8CFF;
    position: relative;
}

.M_Menu .Menus span.on i::before,
.M_Menu .Menus span.on2 i::before,
.M_Menu .Menus span:hover i:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #3C8CFF;
}

.M_Menu .Tel {
    float: right;
    color: #3C8CFF;
    margin: 0 10px 0 0;
    font-size: 16px;
}

.M_Menu .Tel i {
    float: left;
    width: 16px;
    height: 16px;
    background: url(../IMG/Main/icon_tel.png) no-repeat center;
    margin: 33px 5px 0 0;
}

.M_MenuList1 {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: #F5F5F5;
    box-shadow: 0px 10px 27px 2px rgba(102, 102, 102, 0.1);
    padding: 30px 0;
    z-index: 10;
    /* display: none; */
}

.ProductMenuList {
    overflow: hidden;
    float: left;
    position: relative;
    left: 50%;
    
    transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -o-transform: translateX(-50%);

    display: none;
    max-width: 1090px;
}

.ProductMenuList>div {
    float: left;
    width: 170px;
    margin: 0 60px 0 0;
    line-height: 30px;
    font-size: 14px;
}

.ProductMenuList>div:nth-child(5n) {
    margin: 0;
}

.ProductMenuList>div>div:first-child {
    border-bottom: 1px solid #D2D2D2;
    margin: 0 0 10px 0;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.ProductMenuList>div>div:first-child i {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-top: 1px solid #666;
    border-right: 1px solid #666;
    
    transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -o-transform: rotate(45deg);

    position: relative;
    top: -2px;
    left: 15px;
}

.ProductMenuList>div>div:first-child:hover {
    color: #3C8CFF;
}

.ProductMenuList>div>div:first-child:hover i {
    border-top: 1px solid #3C8CFF;
    border-right: 1px solid #3C8CFF;
}

.ProductMenuList>div>div:first-child+div div:hover {
    color: #3C8CFF;
    cursor: pointer;
}

.ProductMenuList>div>div:first-child+div div i {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-top: 1px solid #666;
    border-right: 1px solid #666;
    
    transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -o-transform: rotate(45deg);

    position: relative;
    top: -2px;
    left: 15px;
}

.ProductMenuList>div>div:first-child+div div:hover i {
    border-top: 1px solid #3C8CFF;
    border-right: 1px solid #3C8CFF;
}

.ProjectMenuList {
    overflow: hidden;
    position: relative;
    left: 50%;

    transform: translateX(-440px);
    -ms-transform: translateX(-440px);
    -moz-transform: translateX(-440px);
    -webkit-transform: translateX(-440px);
    -o-transform: translateX(-440px);

    display: none;
}

.ProjectMenuList>div:first-child {
    float: left;
    color: #666666;
    padding: 0 40px 0 0;
}

.ProjectMenuList>div:first-child div {
    font-size: 16px;
    margin-bottom: 20px;
    cursor: pointer;
}

.ProjectMenuList>div:first-child div.on {
    color: #3C8CFF;
}

.ProjectMenuList .Box {
    float: left;
    width: 1080px;
    overflow: hidden;
    border-left: 1px solid #DCDCDC;
}

.ProjectMenuList .Box>div {
    float: left;
    width: 330px;
    height: 60px;
    margin: 0 15px;
    padding: 10px;
    overflow: hidden;
    cursor: pointer;
    font-size: 14px;
}

.ProjectMenuList .Box>div:hover {
    background-color: #FFF;
}

.ProjectMenuList .Box>div img {
    float: left;
    background-color: #79CFE4;
    width: 100px;
    height: 60px;
    margin: 0 10px 0 0;
}

.ProjectMenuList .Box>div img:first-child+div+div {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 12px;
    color: #666;
    margin: 5px 0 0 0;
}

.NewsMenuList {
    width: 240px;
    background-color: #FFF;
    position: fixed;

    transform: translateX(-140px);
    -ms-transform: translateX(-140px);
    -moz-transform: translateX(-140px);
    -webkit-transform: translateX(-140px);
    -o-transform: translateX(-140px);

    z-index: 10;
    padding: 35px 55px;
    box-shadow: 0px 15px 20px 0px rgb(0, 0, 0, 0.08);
    display: none;
}

.NewsMenuList img {
    float: left;
    width: 120px;
    height: 160px;
    background-color: #D8F4F6;
}

.NewsMenuList div {
    margin: 0 0 0 170px;
    color: #333;
    line-height: 46px;
    font-size: 14px;
    cursor: pointer;
}

.NewsMenuList div:nth-child(2) {
    margin-top: 30px;
}

.NewsMenuList div i {
    width: 14px;
    height: 14px;
    display: inline-block;
    position: relative;
    top: 3px;
    left: -5px;
}

.NewsMenuList div:hover {
    color: #3C8CFF;
}

.AboutMenuList {
    width: 240px;
    background-color: #FFF;
    position: fixed;

    transform: translateX(-210px);
    -ms-transform: translateX(-210px);
    -moz-transform: translateX(-210px);
    -webkit-transform: translateX(-210px);
    -o-transform: translateX(-210px);

    z-index: 10;
    padding: 35px 55px;
    box-shadow: 0px 15px 20px 0px rgb(0, 0, 0, 0.08);
    display: none;
}

.AboutMenuList img {
    float: left;
    width: 120px;
    height: 160px;
    background-color: #D8F4F6;
}

.AboutMenuList div {
    margin: 0 0 0 48px;
    color: #333;
    line-height: 40px;
    float: left;
    font-size: 14px;
    cursor: pointer;
}

.AboutMenuList div i {
    width: 14px;
    height: 14px;
    display: inline-block;
    position: relative;
    top: 2px;
    left: -5px;
}

.AboutMenuList div:hover {
    color: #3C8CFF;
}

.EfficeMenuList {
    width: 240px;
    background-color: #FFF;
    position: fixed;

    transform: translateX(-140px);
    -ms-transform: translateX(-140px);
    -moz-transform: translateX(-140px);
    -webkit-transform: translateX(-140px);
    -o-transform: translateX(-140px);

    z-index: 10;
    padding: 35px 55px;
    box-shadow: 0px 15px 20px 0px rgb(0, 0, 0, 0.08);
    display: none;
}

.EfficeMenuList img {
    float: left;
    width: 120px;
    height: 160px;
    background-color: #D8F4F6;
}

.EfficeMenuList div {
    margin: 0 0 0 170px;
    color: #333;
    line-height: 46px;
    font-size: 14px;
    cursor: pointer;
}

.EfficeMenuList div:nth-child(2) {
    margin-top: 10px;
}

.EfficeMenuList div i {
    width: 14px;
    height: 14px;
    display: inline-block;
    position: relative;
    top: 2px;
    left: -5px;
}

.EfficeMenuList div:hover {
    color: #3C8CFF;
}

.M_Navigation {
    background-color: #313131;
    padding: 35px 0;
    color: #fff;
    overflow: hidden;
    min-height: 214px;
}

.M_Navigation .Item {
    float: left;
    width: 18%;
    font-size: 14px;
}

.M_Navigation .Item div {
    line-height: 34px;
    cursor: pointer;
}

.M_Navigation .Item div:nth-child(1) {
    font-size: 16px;
    color: #BBBBBB;
    margin: 0 0 10px;
}

.M_Navigation .Item div i {
    float: left;
    width: 14px;
    height: 14px;
    margin: 10px 5px 0 0;
}

.M_Navigation .Item div span {
    float: left;
}

.M_Copyright {
    line-height: 20px;
    text-align: center;
    background-color: #313131;
    color: #fff;
    padding: 15px 0 30px;
    border-top: 1px dashed #545454;
    font-size: 14px;
}

.M_Copyright a {
    color: #FFF;
    text-decoration: none;
}

.M_Copyright a:hover {
    text-decoration: underline;
}