html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 16px;
    font-family: -apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif;
}

li{
    list-style-type:none;
}

img {
    border: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: normal;
}

:focus {
    outline: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

a:hover img {
    border: none;
}

.w100 {
    width: 100%;
    min-width: 1200px;
}

.w1200 {
    width: 1200px;
    margin: 0 auto
}
.division-white {
    width: 100%;
    height: 0;
    padding-top: 7%;
    min-width: 1200px;
    background-image: url('https://static.ixuenong.com/static/assets/portal/img/white_hu@2x.png');
    background-size: 100% 100%;
}

.division-gayer {
    width: 100%;
    height: 0;
    padding-top: 7%;
    min-width: 1200px;
    background-image: url('https://static.ixuenong.com/static/assets/portal/img/gayer_hu@2x.png');
    background-size: 100% 100%;
}

.division-orange {
    width: 100%;
    height: 0;
    padding-top: 7%;
    background-image: url('https://static.ixuenong.com/static/img/website/orange_hu.png');
    background-size: 100% 100%;
}

select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("https://static.ixuenong.com/static/img/assets/icon/arrow_d.png");
    background-repeat: no-repeat;
    background-position: calc(100% - 7px) 50%;
    background-size: 2% auto;
}