.menu-child-item {
    width: 200px;
    border-bottom: 1px dashed #2a779c;}
.menu-child-item2 {
    width: 320px;
    border-bottom: 1px dashed #2a779c;}
.section-subtitle {
            position: absolute;
            width: 100%;
            text-align: center;
            left: 0;
            top: -10px;
            font-size: 64px;
            opacity: 0.18;
            z-index: -1;
            letter-spacing: -2px;
            text-transform: uppercase;
            font-weight: 900;
            font-family: 'Raleway', sans-serif;
            color: #4DB7FE;}

        .section-subtitle::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(255, 255, 255, 0.95) 100%);}
.play-button:hover {
    background-color: #000;}
.card-item {
    display:inline-block;
    width:330px;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;}
.card-item:hover {
    box-shadow: 1px 1px 6px 5px rgba(35, 206, 212, 0.1);}
.footer .footer-logo {
    width: 1000px;
    margin: 0 auto;}
.footer .footer-contact {
    margin-left: 448px;
    width: 300px;
    padding: 18px 30px;
    border-left: 1px solid #3C7631; 
    border-right: 1px solid #3C7631;}
.footer .footer-contact span {
    display: block;
    width: 320px;
    line-height: 1.5em;}
.footer .footer-contact span.left, .footer-contact span.right {
    display: inline-block;
    width: 150px;}
.footer .footer-contact span.right {
    text-align: right;}
.footer .wechat-icon, .footer .linkedin-icon {
        display: inline-block;}
.footer .wechat-icon:hover .wechat-qrcode, .footer .linkedin-icon:hover .linkedin-qrcode{
        display: block;}
.footer .wechat-qrcode, .footer .linkedin-qrcode {
        width: 150px;
        height: 150px;
        position: absolute;
        z-index:22;
        border: 2px solid silver;
        display: none;}
.footer .wechat-qrcode {
        background: url(images/home/wechat.qrcode.jpg) no-repeat 0px 0px;
        margin: -160px 0 0 -5px;}
.footer .linkedin-qrcode {
        background: url(images/home/linkedin.qrcode.jpg) no-repeat 0px 0px;
        margin: -160px 0 0 -5px;}