html {
    height: 100%;
    width: 100%;
}

body {
    width: 100%;
    height: 100%;
}



div {
    display: inline-block;
    vertical-align: middle;
}

img {
    object-fit: contain;
}

*:focus {
    outline: 0;
}

.head1 {
    height: 80px;
    width: 100%;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 1px 12px 0px rgba(255, 255, 255, 0.5), 0px 1px 12px 2px rgba(220, 217, 217, 0.5);
    border: 1px solid rgba(255, 255, 255, 1);
}

.head150 {
    height: 150px;
    width: 100%;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 1px 12px 0px rgba(255, 255, 255, 0.5), 0px 1px 12px 2px rgba(220, 217, 217, 0.5);
    border: 1px solid rgba(255, 255, 255, 1);
}

.head2 {
    width: 900px;
    height: 80px;
    margin: 0 auto;
    position: relative;
    display: block;
    text-align: left;
}

.head3 {
    width: 900px;
    height: 150px;
    margin: 0 auto;
    position: relative;
    display: block;
    text-align: left;
}

.head3Nav {
    width: 100%;
    height: 150px;
}

.head3Nav div {
    margin-right: 66px;
}

.head3Nav img {
    width: 256px;
    height: 142px;
}

.background {
    background-image: url('/images/banners/2.png');
}

.popbox {
    width: 128px;
    height: 71px;
    margin-top: 3px;
    margin-right: 258px;
}


.pop {
    width: 100%;
    height: 48px;
    text-align: center;
}

.pop img {
    width: 128px;
    height: 71px;
}

.popcenter {
    width: 100%;
    height: 48px;
    text-align: center;

}

.popimg {
    width: 128px;
    height: 71px;
}

.topMenu {
    height: auto;
    text-align: right;
    margin-left: 465px;
}

.topMenu img {
    height: 140px;
    margin-right: 10px;
}

.topNav {
    height: 48px;
    text-align: center;
}

.topNav a {
    float: left;
    font-size: 35px;
    font-family: PingFang-SC-Heavy, PingFang-SC;
    font-weight: 800;
    color: rgba(102, 102, 102, 1);
    text-decoration: none;
    text-shadow: 0px 1px 12px rgba(255, 255, 255, 0.5);
    text-align: center;
    width: auto;
    margin-right: 38px;
}

a.home {
    width: 60px;
    word-spacing: 25px;
}

a:hover {
    color: rgba(118, 52, 152, 1);
}

.dropdown {
    top: 80px;
    height: auto;
    position: absolute;
    text-align: center;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 2px 4px 0px rgba(148, 148, 148, 0.5);
    border-radius: 0px 0px 5px 5px;
    display: inline-block;
    z-index: 99999;
}

.dropdownMenu {
    left: 0px;
    top: 150px;
    width: 100%;
    height: auto;
    position: absolute;
    text-align: left;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 2px 4px 0px rgba(148, 148, 148, 0.5);
    border-radius: 0px 0px 5px 5px;
    display: inline-block;
    z-index: 99999;
}

.dropdownMenu div {
    width: 100%;
    line-height: 100px;
}

.dropdownMenu div:hover {
    background-color: lightgray;
}

.dropdownMenu a {
    width: 100%;
    font-size: 40px;
    font-family: PingFang-SC-Heavy, PingFang-SC;
    font-weight: 800;
    color: rgba(102, 102, 102, 1);
    text-decoration: none;
    text-shadow: 0px 1px 12px rgba(255, 255, 255, 0.5);
    margin-top: 14px;
}

.dropdownMenu span {
    margin-left: 80px;
}

.dropdownMenu .buttom {
    width: 100%;
    line-height: 20px;
}

.default {
    left: 200px;
    width: 125px;
}

.course {
    left: 320px;
    width: 125px;
}

.teacher {
    left: 450px;
    width: 125px;
}

.dropdown a {
    width: 100%;
    font-size: 14px;
    font-family: PingFang-SC-Heavy, PingFang-SC;
    font-weight: 800;
    color: rgba(102, 102, 102, 1);
    text-decoration: none;
    text-shadow: 0px 1px 12px rgba(255, 255, 255, 0.5);
    margin-top: 14px;
    text-align: center;
}

.dropdown a:hover {
    color: rgba(118, 52, 152, 1);
}

.dropdown .buttom {
    width: 100%;
    margin-bottom: 13px;
}

.hide {
    display: none;
}

.dialog-popup {
    display: none;
    left: 30%;
    position: fixed;
    top: 30%;
    width: 500px;
    z-index: 9999;
}


.circle {
    width: 35px;
    height: 35px;
    background: rgba(118, 52, 152, 1);
    border-radius: 50%;
    display: inline-block;
    margin-right: 10px;
    margin-left: 10px;
}

.circle img {
    width: 25px;
    height: 25px;
    margin: 5px;
}

.dialog-popup .buttom {
    margin-bottom: 28px;
}


.whiteDiv {
    width: 100%;
    height: auto;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 1px 12px 0px rgba(255, 255, 255, 0.5), 0px 1px 12px 2px rgba(227, 227, 227, 0.5);
}

.grayDiv {
    width: 100%;
    height: auto;
    background: rgba(244, 244, 244, 1);
    box-shadow: 0px 2px 4px 0px rgba(148, 148, 148, 0.5);
}

.ads2 {
    width: 900px;
    height: 100%;
    margin: 0 auto;
    position: relative;
    display: block;
    margin-bottom: 10px;
}

.adsLeft {
    width: 890px;
    height: 400px;
    margin-top: 10px;
}

.adsLeft img {
    height: 400px;
    width: 890px;
}

.goLeft .goRight {
    width: auto;
    color: white;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

.goLeft {
    cursor: pointer;
    position: absolute;
    left: 7px;
    top: 190px;
}

.goLeft img {
    width: 60px;
    height: 60px;
}

.goRight {
    cursor: pointer;
    position: absolute;
    left: 820px;
    top: 190px;
}

.goRight img {
    width: 60px;
    height: 60px;
}

.dots {
    position: absolute;
    left: 760px;
    top: 390px;
}

.dots .dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 1px 12px 0px rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    margin-right: 2px;
    cursor: pointer;
}

.dots .current {
    width: 20px;
    height: 10px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 1px 12px 0px rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    margin-right: 2px;
    cursor: pointer;
}

/* Fading animation */
.fade {
    -webkit-animation-name: fade;
    -webkit-animation-duration: 1.5s;
    animation-name: fade;
    animation-duration: 1.5s;
}

@-webkit-keyframes fade {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}

@keyframes fade {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}


.footerPop {
    width: 100%;
    height: 70px;
    background: rgba(57, 69, 78, 1);
}

.footerPop .footerCopyright {
    width: 100%;
    font-size: 40px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    color: rgba(255, 255, 255, 1);
    margin-top: 10px;
    text-align: center;
}

.empty {
    height: 20px;
}