/* reset */
html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
div,
dl,
dt,
dd,
ul,
ol,
li,
p,
blockquote,
pre,
hr,
figure,
table,
caption,
th,
td,
form,
fieldset,
legend,
input,
button,
textarea,
menu {
    margin: 0;
    padding: 0;
}

header,
footer,
section,
article,
aside,
nav,
hgroup,
address,
figure,
figcaption,
menu,
details {
    display: block;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

caption,
th {
    text-align: left;
    font-weight: normal;
}

html,
body,
fieldset,
img,
iframe,
abbr {
    border: 0;
}

i,
cite,
em,
var,
address,
dfn {
    font-style: normal;
}

[hidefocus],
summary {
    outline: 0;
}

li {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
small {
    font-size: 100%;
}

sup,
sub {
    font-size: 83%;
}

pre,
code,
kbd,
samp {
    font-family: inherit;
}

q:before,
q:after {
    content: none;
}

textarea {
    overflow: auto;
    resize: none;
}

label,
summary {
    cursor: default;
}

a,
button {
    cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6,
em,
strong,
b {
    font-weight: bold;
}

del,
ins,
u,
s,
a,
a:hover {
    text-decoration: none;
}

body,
textarea,
input,
button,
select,
keygen,
legend {
    font-family: "Microsoft YaHei";
    color: #333;
    outline: 0;
}

body {
    background: #fff;
    font-size: 16px
}

a,
a:hover {
    color: #333;
}


@media screen and (min-width:901px) {
    #wap-page {
        display: none;
    }

    #pc-page {
        display: block;
    }

    #back-to-top {
        width: 90px;
        height: 90px;
        position: fixed;
        display: none;
        bottom: 160px;
        right: 50px;
        background-color: rgba(0, 0, 0, 0.5);
        cursor: pointer;
        z-index: 9999;


    }

    #back-to-top .text {
        padding-top: 20px;
        text-align: center;
        font-size: 16px;
        color: #FFFEFE;
    }
}

@media screen and (max-width:900px) {
    html {
        font-size: 50px;
        font-size: 13.33333333vw;
    }

    #wap-page {
        display: block;
    }

    #pc-page {
        display: none;
    }

    #back-to-top {
        width: .9rem;
        height: .9rem;
        position: fixed;
        display: none;
        bottom: 1.2rem;
        right: .1rem;
        background-color: rgba(0, 0, 0, 0.5);
        cursor: pointer;
        z-index: 9999;
    }

    #back-to-top .text {
        padding-top: .12rem;
        text-align: center;
        font-size: .2rem;
        color: #FFFEFE;
    }


}