/* css reset */
body {
    font-size: 12px;
    font-family: 'Microsoft Yahei';
    overflow-x: hidden;
}
body, div, dl, dt, dd, ul, ol, nl, li, h1, h2, h3, h4, h5, h6, p, span, a, b, strong, object, iframe, label, img, blockquote, ins, del, select, form, input, textarea, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block
}
a {
    text-decoration: none;
}
li {
    list-style: none outside none;
}
fieldset, img {
    border: 0 none;
}
img {
    padding: 0;
    margin: 0;
    vertical-align: top;
}
h1, h2, h3, h4, h5, h6, th {
    font-size: 12px;
    font-weight: normal;
}
textarea {
    resize: none
}
input:focus, select:focus, textarea:focus, a:focus {
    outline: 0 none
}
label {
    vertical-align: middle;
}
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden
}
.clearfix {
    zoom: 1
}
em, cite, dfn {
    font-style: normal;
}
.clearboth {
    width: 100%;
    clear: both;
    float: none;
    margin: 0;
    padding: 0;
    font-size: 0px;
    height: 0px;
    overflow: hidden;
}
.clear {
    clear: both;
    height: 0;
    font-size: 0;
    line-height: 0;
}
.hidden {
    overflow: hidden;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.pr {
    position: relative;
}
.pa {
    position: absolute;
}
.center {
    text-align: center;
}
.tright {
    text-align: right;
}
.ti {
    text-indent: -999em;
}
.none {
    display: none;
}
.tia a {
    display: block;
    width: 100%;
    height: 100%;
    text-indent: -999em;
}
table {
    border-collapse: collapse;
    border-spacing: 0
}
/*content*/
.sec_01 h1 {
    display: none;
}
.o-link {
    position: absolute;
    top: 71px;
    right: -100px;
    color: #fff;
    line-height: 22px;
    text-align: right;
    font-size: 14px;
}
.o-link a {
    display: inline-block;
    margin-left: 1em;
    color: #fff;
}
.o-link a:hover {
    text-decoration: underline;
}
.logo {
    position: absolute;
    top: 51px;
    left: -163px;
    width: 214px;
    height: 73px;
    display: block;
    text-indent: -999em;
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/logo.png) no-repeat;
}
/*分页*/
.section {
    height: 400px;
}
.section .con {
    width: 1200px;
    margin: 0 auto;
}
.sec_01 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_01.jpg) no-repeat 50% 0;
}
.sec_02 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_02.jpg) no-repeat 50% 0;
}
.sec_03 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_03.jpg) no-repeat 50% 0;
}
.sec_04 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_04.jpg) no-repeat 50% 0;
}
.sec_05 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_05.jpg) no-repeat 50% 0;
}
.sec_06 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_06.jpg) no-repeat 50% 0;
}
.sec_07 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_07.jpg) no-repeat 50% 0;
}
.sec_08 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_08.jpg) no-repeat 50% 0;
}
.sec_09 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_09.jpg) no-repeat 50% 0;
}
.sec_10 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_10.jpg) no-repeat 50% 0;
}
.sec_11 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_11.jpg) no-repeat 50% 0;
}
.sec_12 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_12.jpg) no-repeat 50% 0;
}
.sec_13 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_13.jpg) no-repeat 50% 0;
}
.sec_14 {
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_14.jpg) no-repeat 50% 0;
}
.sec_15 {
    height: 192px;
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_15.jpg) no-repeat 50% 0;
}
.sec_16 {
    height: 200px;
    background: url(https://static.web.sdo.com/aion/pic/project/202103copy/sec_16.jpg) no-repeat 50% 0;
}

.actGotop {
    position: fixed;
    _position: absolute;
    bottom: 200px;
    left: 50%;
    margin-left: 600px;
    width: 40px;
    height: 40px;
    display: none;
}
.actGotop a, .actGotop a:link {
    width: 40px;
    height: 40px;
    display: block;
    background: url(https://static.web.sdo.com/aion/pic/project/20190914event/top.png) no-repeat;
}

#showBig {
    position: absolute;
    z-index: 100;
}
.btn {
    position: absolute;
    left: 946px;
    display: block;
    width: 22px;
    height: 22px;
    text-indent: -999em;
}
.b1 {
    top: -645px;
}
.b2 {
    top: -394px;
}
.b3 {
    top: 248px;
}