body {
    width: 100%;
    height: 100%;
    font-family: "Microsoft Yahei";
    font-size: 20px;
}

.content {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    bottom: 0px;
    right: 0px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    color: #ffffff;
    vertical-align: middle;
    background-size: cover;
    background-position: center;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.content1 {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    bottom: 0px;
    right: 0px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    color: #ffffff;
    /*vertical-align: middle;*/
    /*background-size: cover;
    background-position: center;
    
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    height: 100vh;*/
    text-align: center;
}

.panel {
    width: 600px;
    font-family: font-family: 'Roboto', sans-serif;
    font-size: 14px;
    margin-left: auto;
    margin-right: auto;
}

.pimage {
    width: 250px;
    height: 200px;
}

.pimage1 {
    width: 150px;
    height: 250px;
}

.pimage2 {
    width: 250px;
    height: 150px;
}

.panel1 {
    width: 100%;
    font-family: font-family: 'Roboto', sans-serif;
    font-size: 14px;
    margin-left: auto;
    margin-right: auto;
}

.button {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    width: 100px;
    height: 30px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin-right: auto;
    margin-left: auto;
    padding-top: 10px;
    text-align: center;
    vertical-align: middle;
}

img {
    opacity: 0.65;
    filter: alpha(opacity=80); /* 针对 IE8 以及更早的版本 */
}

h3 {
    color: white;
    text-shadow: black 0.1em 0.1em 0.2em;
}
h1 {
    color: white;
    text-shadow: black 0.1em 0.1em 0.2em;
}
.icp {
position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
}