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: 100%;
    vertical-align: baseline;
    background: transparent
}

body {
    line-height: 1
}

ol,
ul {
    list-style: none
}

blockquote,
q {
    quotes: none
}

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

:focus {
    outline: 0
}

ins {
    text-decoration: none
}

del {
    text-decoration: line-through
}

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

a {
    text-decoration: none;
    color: #fff
}

body {
    font-family: "微软雅黑";
    font-weight: 300;
    color: #333
}

#switcher {
    height: 40px;
    background: url(preview/bg2.png) repeat-x;
    z-index: 99999;
    position: fixed;
    width: 100%;
    top: 0;
    background: #000
}

#switcher .title {
    padding-top: 2px
}

.center {
    width: 100%;
    padding-top: 0
}

.center ul li {
    display: inline;
    float: left;
    position: relative
}

.logoTop {
    margin-top: 12px;
    margin-right: 5px
}

.logoTop a {
    font-family: 微软雅黑
}

.logoTop a:hover {
    text-decoration: underline
}

.center ul li ul {
    display: none;
    margin-left: 17px;
    position: absolute;
    width: 313px;
    background: #10100f;
    border: 1px solid #323024;
    border-radius: 4px;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    padding-bottom: 3px
}

.center ul li ul li {
    margin: 0 0 1px 4px;
    padding: 5px;
    width: 271px
}

.center ul li ul li a {
    display: block;
    width: 210px;
    font-size: 13px;
    color: #c4beab;
    float: left;
    line-height: 22px;
    white-space: nowrap;
    overflow: hidden
}

.center ul li ul li .tag {
    display: block;
    width: 50px;
    height: 22px;
    font-size: 10px;
    color: #c4beab;
    margin: 0 8px 0 0;
    line-height: 22px;
    white-space: nowrap;
    background: url(preview/sel-sp-act.png) no-repeat;
    text-align: center;
    float: left
}

.center ul li ul li a span.link {
    display: block;
    width: 209px;
    height: 22px;
    overflow: hidden;
    float: left
}

.center ul li ul li:hover {
    background: url(preview/sel-act.png) no-repeat
}

.center ul li ul li:hover a {
    color: #f8bc06
}

.center ul li ul li:hover .tag {
    color: #f8bc06
}

.center ul li ul li:first-child {
    margin-top: 3px
}

li.device-resolution {
    text-transform: uppercase;
    font-size: 12px;
    color: #ada58b;
    line-height: 54px
}

li.purchase {
    float: right !important;
    margin-top: 11px
}

li.purchase a {
    padding: 0;
    background: url(preview/trolley2.png) no-repeat 0 0;
    width: 133px;
    height: 36px;
    display: block;
    transition: all .3s ease-out 0
}

li.purchase a:hover {
    background-position: 0 -36px
}

li.remove_frame {
    margin-left: 17px;
    float: right !important;
    margin-right: 30px
}

li.remove_frame a {
    background: url(preview/cross2.png) no-repeat 0 0;
    width: 20px;
    height: 21px;
    display: block;
    margin-top: 12px;
    transition: all .3s ease-out 0
}

li.remove_frame a:hover {
    background-position: 0 -21px
}

#iframe {
    margin-top: 0
}

.icon-monitor,
.icon-tablet,
.icon-mobile-1,
.icon-mobile-2,
.icon-mobile-3 {
    margin-right: 7px;
    margin-top: 12px;
    width: 17px;
    height: 16px
}

.icon-monitor {
    background: url(preview/mon-spr.png) no-repeat 0 0;
    margin-left: 10px
}

.icon-tablet {
    background: url(preview/mon-spr.png) no-repeat -24px 0
}

.icon-mobile-1 {
    background: url(preview/mon-spr.png) no-repeat -49px 0
}

.icon-monitor:hover,
.icon-monitor.active {
    background-position: 0 -16px
}

.icon-tablet:hover,
.icon-tablet.active {
    background-position: -24px -16px
}

.icon-mobile-1:hover,
.icon-mobile-1.active {
    background-position: -49px -16px
}

.icon-mobile-2 {
    background: url(preview/mon-spr.png) no-repeat -71px 0
}

.icon-mobile-3 {
    background: url(preview/mon-spr.png) no-repeat -94px 0
}

.icon-mobile-2:hover,
.icon-mobile-2.active {
    background-position: -71px -16px
}

.icon-mobile-3:hover,
.icon-mobile-3.active {
    background-position: -94px -16px
}

#iframe-wrap {
    height: 100%;
    overflow: visible;
    position: relative;
    top: 40px;
    z-index: 50
}

.tablet-width {
    height: 960px !important;
    margin: 0 auto;
    padding: 175px 100px 115px 100px;
    width: 785px;
    margin-top: 40px;
    background: url(preview/bg-mob.png) no-repeat 0 0
}

.tablet-width iframe {
    height: 960px !important
}

.mobile-width {
    height: 703px !important;
    margin: 0 auto;
    padding: 165px 115px 100px 100px;
    width: 1041px;
    margin-top: 40px;
    background: url(preview/bg-mob.png) no-repeat 0 -1249px
}

.mobile-width iframe {
    height: 704px !important
}

.mobile-width-2 {
    height: 417px !important;
    margin: 0 auto;
    padding: 125px 25px 159px 25px;
    width: 337px;
    margin-top: 40px;
    background: url(preview/bg-mob.png) no-repeat 0 -2217px
}

.mobile-width-2 iframe {
    height: 416px !important
}

.mobile-width-3 {
    height: 256px !important;
    margin: 0 auto;
    padding: 45px 115px 69px 105px;
    width: 497px;
    margin-top: 40px;
    background: url(preview/bg-mob.png) no-repeat -387px -2217px
}

.mobile-width-3 iframe {
    height: 256px !important
}

.logoTop {
    padding-left: 20px;
    padding-right: 15px
}

.share {
    margin-top: 15px;
    margin-left: 20px
}

#ad-switcher {
    opacity: .7;
    background-color: #fff;
    width: 200px;
    position: fixed;
    top: 140px;
    z-index: 999;
    border-radius: 0 0 3px;
    right: 0;
    border: 1px solid #e4e4e4;
    border-left: 0;
    border-top: 0;
    box-shadow: 0 0 3px 0 rgba(0, 0, 0, .08);
    -webkit-transition: all 1s ease;
    transition: all 1s ease
}

#ad-switcher h2 {
    background-color: #666;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    padding: 0 0 0 20px;
    margin: 0;
    line-height: 35px;
    -webkit-transition: all 1s ease;
    transition: all 1s ease
}

#ad-switcher h2 span {
    background-color: #666;
    display: block;
    height: 30px;
    position: absolute;
    right: 0;
    font-size: 18px;
    text-align: center;
    color: #fff;
    top: 0;
    width: 35px;
    text-decoration: none;
    border-radius: 0 3px 3px 0;
    -webkit-transition: all 1s ease;
    transition: all 1s ease;
    cursor: pointer
}

.pace {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 5px;
    -moz-background-clip: padding;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    -webkit-pointer-events: none;
    pointer-events: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    z-index: 2000;
    position: fixed;
    margin: auto;
    right: 20px;
    bottom: 25px;
    width: 200px;
    height: 8px;
    border: 1px solid #000;
    background-color: #fff
}

.pace .pace-progress {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    -webkit-background-clip: padding-box;
    -moz-background-clip: padding;
    background-clip: padding-box;
    -webkit-transition: width 1s ease-in-out 1s linear;
    -moz-transition: width 1s ease-in-out 1s linear;
    -ms-transition: width 1s ease-in-out 1s linear;
    -o-transition: width 1s ease-in-out 1s linear;
    transition: width 1s ease-in-out 1s linear;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    max-width: 190px;
    position: fixed;
    z-index: 2000;
    display: block;
    position: absolute;
    left: 1px;
    top: 1px;
    height: 4px;
    font-size: 12px;
    background: #000;
    color: #000;
    line-height: 20px;
    font-weight: bold;
    font-family: "微软雅黑"
}

.pace .pace-progress:after {
    content: attr(data-progress-text);
    display: inline-block;
    margin-top: 5px;
    line-height: 20px;
    text-align: center
}

.pace.pace-inactive {
    display: none
}

.qrcode {
    position: relative;
    margin-top: 0;
    font-size: 12px;
    font-weight: normal;
    padding-top: 14px;
    padding-bottom: 12px;
    padding-left: 10px;
    padding-right: 15px;
    background-position: 15px;
    background-color: #2b2b2b
}

.qrcode i {
    font-size: 14px
}

.qrcodepic {
    position: absolute;
    top: 40px;
    left: 0;
    background-color: #fff;
    height: 170px;
    width: 150px;
    display: none;
    padding: 10px
}

#message_container {
    position: fixed;
    right: 0;
    left: 0;
    top: 0;
    z-index: 100000;
    padding: 0 8px 6px 8px;
    font-size: 14px;
    max-width: 320px;
    margin: auto
}

#error {
    position: relative;
    max-width: 320px;
    min-width: 120px;
    display: none;
    background-color: #cd3237;
    background-image: -moz-linear-gradient(top, #e34447, #cd3237);
    background-image: -ms-linear-gradient(top, #e34447, #cd3237);
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#e34447), to(#cd3237));
    background-image: -webkit-linear-gradient(top, #e34447, #cd3237);
    background-image: -o-linear-gradient(top, #e34447, #cd3237);
    background-image: linear-gradient(top, #e34447, #cd3237);
    border: 1px solid #ca3e3e;
    border-radius: 0 0 4px 4px;
    padding: 8px 8px 6px 8px;
    font-size: 14px;
    text-shadow: 0 1px 0 rgba(0, 0, 0, .2);
    color: #fff;
    box-shadow: 0 4px 4px rgba(0, 0, 0, .2)
}

@font-face {
    font-family: "iconfont";
    src: url('/content/font/iconfont.woff2?t=1650788265414') format('woff2'), url('/content/font/iconfont.woff?t=1650788265414') format('woff'), url('/content/font/iconfont.ttf?t=1650788265414') format('truetype')
}

.icon {
    font-family: "iconfont" !important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
}

.icon-tuichu:before {
    content: ""
}

.icon-zhuye:before {
    content: ""
}

.icon-shezhi:before {
    content: ""
}

.icon-xiazaibi:before {
    content: ""
}

.icon-huiyuan:before {
    content: ""
}

.icon-upload:before {
    content: "";
    font-size: 20px
}

.icon-zan:before {
    content: ""
}

.icon-shang:before {
    content: ""
}

.icon-wenjianbao:before {
    content: ""
}

.icon-fankui:before {
    content: ""
}

.icon-biaoqian:before {
    content: ""
}

.icon-jiahao:before {
    content: ""
}

.icon-liwu:before {
    content: "";
    color: #ff5300
}

.icon-cuowu:before {
    content: ""
}

.icon-zhengque:before {
    content: "";
    color: #9ad000;
    font-weight: bold
}

.icon-shoucang:before {
    content: ""
}

.icon-user:before {
    content: ""
}

.icon-shuaxin:before {
    content: ""
}

.icon-fenxiang:before {
    content: ""
}

.icon-xiangyoujiantou:before {
    content: ""
}

.icon-rl:before {
    content: ""
}

.icon-shengyin:before {
    content: ""
}

.icon-sousuo:before {
    content: ""
}

.icon-download:before {
    content: ""
}

.icon-iconliulan:before {
    content: ""
}

.icon-guanzhu:before {
    content: ""
}

.icon-6:before {
    content: ""
}

.icon-weizhi:before {
    content: ""
}

.icon-alipay:before {
    content: ""
}

.icon-gouwuche:before {
    content: ""
}

.icon-tuichui:before {
    content: ""
}

.icon-icon-remind:before {
    content: ""
}

.icon-set:before {
    content: ""
}

.icon-vip:before {
    content: ""
}

.icon-daxiao:before {
    content: ""
}

.icon-xiangzuojiantou:before {
    content: ""
}

.icon-sina_icon:before {
    content: ""
}

.icon-xiaoxi:before {
    content: ""
}

.icon-QQ:before {
    content: "";
    color: #2a9cd5
}

.icon-home:before {
    content: ""
}

.icon-price:before {
    content: ""
}

.icon-fankui2:before {
    content: ""
}

.icon-xiangshang:before {
    content: ""
}

.icon-biaoqianso:before {
    content: ""
}

.icon-sao:before {
    content: ""
}

.icon-more:before {
    content: ""
}

.icon-huobi:before {
    content: ""
}

.icon-mulu:before {
    content: ""
}

.icon-addrar:before {
    content: ""
}

.icon-addpic:before {
    content: ""
}

.icon-muban:before {
    content: ""
}

.icon-daima:before {
    content: ""
}

.icon-shangchuan:before {
    content: ""
}

.icon-source:before {
    content: ""
}

.icon-shijian:before {
    content: ""
}

.icon-baidu:before {
    content: "";
    color: #2319dc
}

.icon-huaban:before {
    content: "";
    color: #ee4f5c
}

.icon-downuser:before {
    content: ""
}

.icon-change:before {
    content: ""
}

.icon-nav_alert:before {
    content: ""
}

.icon-nav_jsgame:before {
    content: ""
}

.icon-nav_shangcheng:before {
    content: ""
}

.icon-nav_css3:before {
    content: ""
}

.icon-nav_canyin:before {
    content: ""
}

.icon-nav_404:before {
    content: ""
}

.icon-nav_houtai:before {
    content: ""
}

.icon-nav_canvas:before {
    content: ""
}

.icon-nav_loading:before {
    content: ""
}

.icon-nav_time:before {
    content: ""
}

.icon-nav_img:before {
    content: ""
}

.icon-nav_select:before {
    content: ""
}

.icon-nav_hunli:before {
    content: ""
}

.icon-nav_sllider:before {
    content: ""
}

.icon-nav_chuangyi:before {
    content: ""
}

.icon-nav_shouji:before {
    content: ""
}

.icon-nav_buju:before {
    content: ""
}

.icon-nav_geren:before {
    content: ""
}

.icon-nav_daima:before {
    content: ""
}

.icon-nav_caidan:before {
    content: ""
}

.icon-nav_qiye:before {
    content: ""
}

.icon-nav_vue:before {
    content: ""
}

.icon-nav_cishan:before {
    content: ""
}

.icon-nav_svg:before {
    content: ""
}

.icon-nav_form:before {
    content: ""
}

.icon-nav_charts:before {
    content: ""
}

.icon-nav_else:before {
    content: ""
}

.icon-nav_jiankang:before {
    content: ""
}

.icon-nav_dashuju:before {
    content: ""
}

.icon {
    font-size: 18px;
    margin-left: 2px;
    margin-right: 2px
}

.icon-biaoqian {
    margin-right: 0
}

.icon-alipay:before {
    color: #1296db
}

.icon-sina_icon:before {
    color: #ef5350
}

.icon.sm {
    font-size: 14px
}

.icon.white {
    color: #fff
}

.icon.big_48 {
    font-size: 48px
}

.icon.big_38 {
    font-size: 38px
}

.icon.big_32 {
    font-size: 32px
}

.icon.big_24 {
    font-size: 24px
}

.icon.big_18 {
    font-size: 18px
}

.icon.big_16 {
    font-size: 16px
}

.icon.big_14 {
    font-size: 14px
}

.course_tip_body .icon {
    font-size: 18px;
    color: #707070
}