html {
  color: #333333;
  font-family: sans-serif;
  font-size: 14px;
  min-width: 990px;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
}


body {
  line-height: 1;
  min-width: 990px;
  font-family: "Microsoft Yahei","Helvetica Neue",Helvetica,Arial,PingFang SC,"Hiragino Sans GB","WenQuanYi Micro Hei",sans-serif;
}

ol, ul {
  list-style: none;
}


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



/*help center*/
.helpCenter{
	margin-top:50px
}
.helpCenter .contWrap {
  position: relative;
  padding-left: 10px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  min-height: 400px;
}

.helpCenter .contWrap .navs {
  width: 200px;
  position: absolute;
  left: 0;
  top: 0;
  border-bottom: 1px solid #ececec;
}

.helpCenter .contWrap .navs li {
  border: 1px solid #ececec;
  border-bottom: none;
}

.helpCenter .contWrap .navs li a {
  display: block;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding-left: 20px;
  height:44px;
  line-height: 44px;
  font-size: 14px;
  border-left: 2px solid transparent;
  color:#333;
}

.helpCenter .contWrap .navs .current a,
.helpCenter .contWrap .navs li a:hover {
  border-left-color: #1da1f2;
  color: #1da1f2;
  text-decoration: none;
  border-left:3px solid;
}

.helpCenter .tt0 {
  font-size: 22px;
  line-height: 40px;
  border-bottom: 2px solid #ececec;
  margin-bottom: 10px;
}

.helpCenter .oneSide {
  margin-bottom: 26px;
}

.helpCenter .oneSide .selfService {
  overflow: hidden;
  padding: 10px 0;
}

.helpCenter .oneSide .selfService dl dt {
  text-align: center;
  margin-bottom: 10px;
}

.helpCenter .oneSide .selfService dl {
  float: left;
  text-align: center;
  margin: 0 40px;
}

.helpCenter .oneSide .selfService dt span {
  display: block;
  width: 36px;
  height: 36px;
  background-image: url(img/helpCenter-icons@1x.png);
  background-image: -webkit-image-set(url(img/helpCenter-icons@1x.png) 1x,url(img/helpCenter-icons@2x.png) 2x);
  background-repeat: no-repeat;
  margin: 0 auto;
}

.helpCenter .oneSide .selfService dt .icon1 {
  background-position: 0 2px;
}
.helpCenter .oneSide .selfService dt .icon2 {
  background-position: -36px 2px;
}

.helpCenter .oneSide .selfService dt .icon3 {
  background-position: -72px 2px;
}

.helpCenter .oneSide .selfService dt .icon4 {
  background-position: -110px 2px;
}

.helpCenter .oneSide .selfService dt .icon5 {
  background-position: -149px 2px;
}

.helpCenter .oneSide .selfService dt .icon6 {
  background-position: -186px 2px;
}

.helpCenter .twoSide {
  overflow: hidden;
  margin-bottom: 26px;
}

.helpCenter .twoSide .item {
  width: 48%;
}

.helpCenter .twoSide .item ul a {
  display: block;
  font-size: 14px;
  line-height: 20px;
  margin: 10px 0;
}

.helpCenter .twoSide .item ul a:hover {
  text-decoration: none;
}

.helpCenter .twoTable .tt0 {
  border-bottom: none;
}

.helpCenter .twoTable table {
  width: 100%;
  border: 1px solid #ececec;
  text-align: center;
}

.helpCenter .twoTable table tr:first-child td {
  width: 50%;
  border: 1px solid #ececec;
}

.helpCenter .twoTable dt {
  padding: 10px 0;
}

.helpCenter .twoTable dd {
  padding: 10px 0;
}

.helpCenter .twoTable .oneLine td {
  height: 50px;
}

.helpCenter .twoTable a {
  text-decoration: none;
}
.helpCenter .questionLists{
	 margin-bottom: 50px;
}
.helpCenter .questionLists a{
color:#0066cc;
}
.helpCenter .questionLists li {
  padding: 20px 0;
  border-bottom: 1px dashed #ececec;
  cursor: pointer;
}

.helpCenter .questionLists li dt {
  font-size: 16px;
  font-weight: bold;
  padding-left: 30px;
  position: relative;
}

.helpCenter .questionLists li dd {
  line-height: 22px;
  margin-top: 12px;
  color: #333;
  display: none;
  margin-left: 30px;
  padding: 15px 0;
  font-size: 14px;
}

.helpCenter .questionLists .downIcon,
.helpCenter .questionLists .upIcon {
  display: block;
  width: 15px;
  height: 15px;
  position: absolute;
  left: 0;
  background: url(img/help_ral.jpg) no-repeat;
}

.helpCenter .questionLists .upIcon {
  background-position: 0 -15px;
  display: none;
}

.helpCenter .questionLists .ddShow .upIcon {
  display: block;
}