/* css reset */
body {
    font-size: 12px;
    font-family: 'Microsoft Yahei';
    background-color: #000;
    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;
}

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

/*content*/
.sec_01 h1 {
    display: none;
}

.o-link {
    position: absolute;
    top: 25px;
    left: 50%;
    color: #fff;
    line-height: 22px;
    text-align: right;
    font-size: 15px;
    margin-left: 552px;
}

.o-link a {
    display: inline-block;
    margin-left: 1em;
    color: #fff;
}

.o-link a:hover {
    text-decoration: underline;
}

.logo {
    position: absolute;
    top: 27px;
    left: 50%;
    width: 143px;
    height: 49px;
    display: block;
    margin-left: -670px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/logo.png) no-repeat;
}

/*分页*/

.SDGCOPYRIGHT-wrap20130425 {
    min-width: 1400px;
}

.wrapout {
    width: 100%;
    max-width: 2560px;
    min-width: 1400px;
    margin: 0 auto;
}

.section {
    width: 100%;
}

.section .con {
    width: 1400px;
    height: 100%;
    position: relative;
    margin: 0 auto;
}

.sec_01 {
    height: 865px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_01.jpg) no-repeat 50% 0;
}

.sec_02 {
    height: 1051px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_02.jpg) no-repeat 50% 0;
}

.sec_03 {
    height: 1051px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_03.jpg) no-repeat 50% 0;
}

.sec_04 {
    height: 1051px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_04.jpg) no-repeat 50% 0;
}

.sec_05 {
    height: 1721px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_05.jpg) no-repeat 50% 0;
}

.sec_06 {
    height: 918px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_06.jpg) no-repeat 50% 0;
}

.sec_07 {
    height: 950px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_07.jpg) no-repeat 50% 0;
}

.sec_08 {
    height: 1447px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_08.jpg) no-repeat 50% 0;
}

.sec_09 {
    height: 1446px;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/sec_09.jpg) no-repeat 50% 0;
}

.nav {
    position: fixed;
    right: 0px;
    top: 50%;
    margin: -168px 0 0 0;
    width: 230px;
    height: 336px;
    display: none;
}

.nav ul {
    width: 100%;
}

.nav ul li {
    width: 100%;
    height: 60px;
}

.nav ul li a {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    text-indent: -999em;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/nav_bg.png) no-repeat;
}

.nav ul li:nth-child(1) {
    height: 62px;
}

.nav ul li:nth-child(6) {
    height: 34px;
}

.nav ul li:nth-child(1) a {
    background-position: 0 0;
}

.nav ul li:nth-child(2) a {
    background-position: 0 -62px;
}

.nav ul li:nth-child(3) a {
    background-position: 0 -122px;
}

.nav ul li:nth-child(4) a {
    background-position: 0 -182px;
}

.nav ul li:nth-child(5) a {
    background-position: 0 -242px;
}

.nav ul li:nth-child(6) a {
    background-position: 0 -302px;
}

.nav ul li a.active::after {
    position: absolute;
    top: 0;
    left: 0;
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background: url(https://static.web.sdo.com/aion/pic/project/20250108update/nav_arrow.png) no-repeat 50% 50%;
}

.nav ul li:nth-child(6) a.active::after{
    display: none;
}

.nav ul li a.active {
    background-position-x: 100%;
}