html {
    height: 100%;
}
body {
    background: url("../image/bkg.jpg") repeat-x center center;
    height: 100%;
    overflow: hidden;
    font: normal 100% "Source Han Sans CN Normal","Microsoft Yahei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    margin: 0;
    position: relative;
}
.layout {
    margin: 0 auto;
}
.left {
    float: left;
}
.right {
    float: right;
}
.clear {
    clear: both;
}
.page-header {
    padding: 0 20px;
    width: auto;
    clear: both;
}
.page-header .logo {
    float: left;
}
.page-header .logo h1 {
    background: url("../image/logo.png") no-repeat center center;
    width: 4.7em;
    height: 1.2em;
    margin: 0;
    padding: 0;
    text-indent: -999px;
    background-size: 100%;
}
.page-header a {
    transition: all .2s ease-in-out;
}
.page-header .logo a {
    display: inline-block;
    margin: 1.2em 0;
    border-bottom: 2px solid transparent;
    opacity: 0.8;


}
.page-header .logo a:hover {
    opacity: 1;
}
.page-header .toggle {
    display: none;
}
.page-header .toggle a {
    color: white;
    font-size: 2em;
    display: block;
    margin: 0.5em 0;

}
.page-header .nav {
    float: right;
}
.page-header .nav ul {
    list-style: none;
    margin: 0;
    padding: 0;

}
.page-header .nav ul li {
    display: inline-block;
    margin: 0 1.2em;
    padding: 1.2em 0;
    height: 2.4em;
    line-height: 2.4em;
}
.page-header .nav ul li.active a {
    opacity: 1;
}
.page-header .nav ul li a {
    display: block;
    text-decoration: none;
    color: white;
    border-bottom: 1px solid transparent;
    opacity: 0.6;

    text-shadow: 0 1px 0px rgba(0,0,0,0.2);
}
.page-header .nav ul li a:hover {
    border-color: white;
    opacity: 1;
}
.page-content {
    background: white;
    position: absolute;
    top: 4.8em;
    bottom: 42px;
    left: 20px;
    right: 20px;
    overflow: auto;
    border-radius: 10px;
    box-shadow: 0 6px 10px rgba(0,0,0,0.2);
}
.page-content img {
    max-width: 100%;
}
.page-footer {
    text-align: center;
    font-size: 12px;
    color: white;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0px;
    height: 42px;
    line-height: 42px;
    opacity: 0.6;

}

.page-content h2 {
    font-size: 2em;
    font-weight: 100;
    margin: 20px 0 0 20px;
    color: #3498db;


}
.page-content div.content {
    padding: 20px;
}


@media screen and (max-width: 767px) {
    body {
        font-size: 80%;
    }
    .page-content {
        left: 0;
        right: 0;
        border-radius: 0;
    }
    .page-header .logo {
        float: left;
    }
    .page-header .nav {
        float: none;
    }
    .page-header .nav ul li {
        display: block;
    }
    .page-header .nav ul li a {
        font-size: 1.2em;
    }
    .page-header .toggle {
        float: right;
        display: block;

    }
    .page-header .toggle_clear {
        clear: both;
    }
    .page-header .logo a {
        opacity: 1;
    }
    .page-header .toggle a.redpoint {
        position: relative;
    }
    .page-header .toggle a.redpoint:after {
        position: absolute;
        content: ' ';
        right: -0.2em;
        top: 0.1em;
        width: 0.4em;
        height: 0.4em;
        border-radius: 0.2em;

        background: rgb(255,0,0);

    }

}

@media screen and (max-width: 400px) {
    body {
        font-size: 70%;
    }
}
@media screen and (max-width: 350px) {
    body {
        font-size: 55%;
    }

}