@charset "utf-8";
body {
  background: #f9fcff;
}
.sw-head-wrap {
  width: 100%;
  height: 340px;
  text-align: center;
  overflow: hidden;
  background: url("http://js.588ku.com/qianku_tutorial/software/images/sw-head-bg.png") no-repeat center / cover;
}
.sw-head-wrap .t-content {
  height: 46px;
  font-size: 46px;
  color: #ffffff;
  line-height: 46px;
  letter-spacing: 1px;
  padding-top: 80px;
}
.sw-head-wrap .b-content {
  margin-top: 20px;
  height: 20px;
  font-size: 20px;
  color: #ffffff;
  line-height: 20px;
  letter-spacing: 1px;
}
.intro-wrap {
  position: relative;
  top: 0;
  height: 184px;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0px 5px 15px 0px rgba(146, 157, 154, 0.15);
  background: url("http://js.588ku.com/qianku_tutorial/software/images/sw-advantage-bg.png") no-repeat center / 108%;
  margin-top: 50px;
  background-color: #fff;
}
.intro-wrap.offset {
  margin-top: -134px;
  margin-bottom: 67px;
}
.intro-wrap .btn {
  width: 260px;
  height: 50px;
  line-height: 50px;
  margin: 40px auto 0;
  background: #67d5b5;
  text-align: center;
  border-radius: 2px;
  box-shadow: 0px 10px 20px 0px rgba(118, 196, 125, 0.25);
  transition: all 0.2s;
}
.intro-wrap .btn > a {
  display: block;
  font-size: 24px;
  color: #ffffff;
  letter-spacing: 1px;
  text-indent: 1px;
}
.intro-wrap .btn:hover {
  background: #49c29f;
}
.intro-wrap .advantage {
  text-align: center;
  margin-top: 40px;
}
.intro-wrap .advantage > span {
  white-space: nowrap;
  height: 24px;
  font-size: 20px;
  color: #465360;
  line-height: 24px;
  letter-spacing: 1px;
}
.intro-wrap .advantage > span:nth-child(1) {
  margin-left: 160px;
  margin-right: 192px;
}
.intro-wrap .advantage > span:nth-child(2) {
  margin-right: 182px;
}
.intro-wrap .advantage > span .iconfont {
  font-size: 22px;
  color: #465360;
  margin-right: 10px;
}
.intro-wrap .advantage > span > b {
  font-weight: normal;
  color: #ee7785;
}
.module-title {
  position: relative;
  width: 100%;
  text-align: center;
  padding-bottom: 38px;
  background: url(http://static.588ku.com/qianku_tutorial/index/images/title-bg.png) no-repeat 49.2% top;
  -o-background-size: 11%;
  background-size: 11%;
}
.module-title h2 {
  height: 32px;
  line-height: 32px;
  letter-spacing: 1px;
  text-indent: 1px;
}
.module-title h2 > a {
  font-size: 32px;
  font-weight: bold;
  color: #354352;
  -webkit-transition: all 0.2s;
  -o-transition: all 0.2s;
  -moz-transition: all 0.2s;
  transition: all 0.2s;
}
.module-title h2 > a:hover {
  color: #67d5b5;
}
.data-select-box {
  margin-bottom: 20px;
}
.data-select-box .title,
.data-select-box .other {
  position: relative;
  height: 14px;
  font-size: 14px;
  color: #354352;
  line-height: 14px;
  letter-spacing: 1px;
  padding: 10px 0;
}
.data-select-box .title.first,
.data-select-box .other.first {
  padding-left: 7px;
  color: #67d5b5;
}
.data-select-box .title.first:before,
.data-select-box .other.first:before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 12px;
  margin-top: -6px;
  background: #67d5b5;
}
.data-select-box .other {
  margin-left: 30px;
}
.data-select-box .difficulty-select {
  margin-left: 30px;
  position: relative;
  padding: 10px 0;
}
.data-select-box .difficulty-select .current {
  height: 14px;
  font-size: 14px;
  color: #354352;
  line-height: 14px;
  letter-spacing: 1px;
  cursor: default;
}
.data-select-box .difficulty-select .current > .iconfont {
  display: inline-block;
  font-size: 12px;
  width: 13px;
  height: 13px;
  line-height: 13px;
  border: 1px solid #9aa8b6;
  border-radius: 2px;
  margin-left: 5px;
  text-align: center;
  transform: rotate(180deg);
}
.data-select-box .difficulty-select > ul {
  display: none;
  position: absolute;
  margin-top: 5px;
  right: 0;
  background: #fff;
  z-index: 15;
  width: 100%;
  text-align: center;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0px 0px 15px 0px rgba(146, 157, 154, 0.35);
}
.data-select-box .difficulty-select li {
  height: 24px;
  line-height: 24px;
}
.data-select-box .difficulty-select li > a {
  display: block;
  font-size: 14px;
  color: #354352;
  letter-spacing: 1px;
}
.data-select-box .difficulty-select li.on {
  background: #dfe4e8;
}
.data-select-box .difficulty-select li:hover > a {
  color: #67d5b5;
}
.data-select-box .difficulty-select:hover .current > .iconfont {
  transform: rotate(0deg);
}
.data-select-box .difficulty-select:hover > ul {
  display: block;
}
.data-list-box {
  margin-right: -12px;
  margin-bottom: 17px;
}
.data-list-box li.list {
  position: relative;
  float: left;
  width: 285px;
  overflow: hidden;
  margin-right: 18px;
  margin-bottom: 30px;
  border-radius: 2px;
  -o-transition: all 0.3s;
  transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  background: #fff;
  height: 290px;
  box-shadow: 0px 2px 5px 0px rgba(146, 157, 154, 0.15);
}
.data-list-box li.list > a {
  display: block;
}
.data-list-box li.list .sw-head {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 20px 20px 9px;
  height: 79px;
  border-bottom: 1px solid #ebeef1;
}
.data-list-box li.list .sw-head .info > p {
  white-space: nowrap;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}
.data-list-box li.list .sw-head .info .name {
  height: 20px;
  font-size: 20px;
  text-align: left;
  color: #354352;
  line-height: 20px;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.data-list-box li.list .sw-head .info .name:hover {
  color: #67d5b5;
}
.data-list-box li.list .sw-head .info .num {
  height: 12px;
  font-size: 12px;
  text-align: left;
  color: #354352;
  line-height: 12px;
}
.data-list-box li.list .sw-head .icon {
  width: 50px;
  height: 50px;
  margin-right: 5px;
}
.data-list-box li.list .sw-head .icon img {
  width: 100%;
}
.data-list-box li.list .sw-body {
  padding: 9px 20px 15px;
}
.data-list-box li.list .sw-body .intro {
  height: 40px;
  overflow: hidden;
  font-size: 14px;
  text-align: left;
  color: #354352;
  line-height: 20px;
  letter-spacing: 1px;
  margin-bottom: 20px;
  word-break: break-all;
}
.data-list-box li.list .sw-body > ul {
  margin-right: -25px;
  height: 55px;
}
.data-list-box li.list .sw-body .label-list {
  float: left;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0 5px;
  width: 66px;
  height: 25px;
  line-height: 25px;
  margin-right: 24px;
  margin-bottom: 5px;
  background: #ebf1f5;
  border-radius: 2px;
  overflow: hidden;
  font-size: 12px;
  color: #3e4c5b;
  text-align: center;
}
.data-list-box li.list .learn-btn {
  margin-top: 30px;
  width: 245px;
  height: 42px;
  line-height: 42px;
  text-align: center;
  background: #67d5b5;
  font-size: 14px;
  color: #ffffff;
  letter-spacing: 1px;
  overflow: hidden;
  border-radius: 2px;
  text-indent: 1px;
  -webkit-transition: all 0.2s;
  -o-transition: all 0.2s;
  -moz-transition: all 0.2s;
  transition: all 0.2s;
}
.data-list-box li.list .learn-btn:hover {
  background: #49c29f;
}
.data-list-box li.list:hover {
  -webkit-transform: translateY(-10px);
  -moz-transform: translateY(-10px);
  -ms-transform: translateY(-10px);
  -o-transform: translateY(-10px);
  transform: translateY(-10px);
  box-shadow: 0px 4px 10px 0px rgba(146, 157, 154, 0.3);
}
.l-side-bar {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  box-sizing: border-box;
  left: 50%;
  margin-left: -715px;
  width: 64px;
  height: auto;
  border-radius: 2px;
  min-height: 454px;
  z-index: 100;
}
.l-side-bar > ul {
  border: 1px solid #eceff3;
  background: #ffffff;
}
.l-side-bar .list {
  padding: 0 7px;
  position: relative;
  height: 63px;
  overflow: hidden;
  cursor: pointer;
}
.l-side-bar .list > em {
  display: block;
  margin: 10px auto 5px;
  width: 48px;
  height: 30px;
  text-align: center;
  color: #354352;
  font-size: 30px;
  transition: all 0.2s;
}
.l-side-bar .list .name {
  height: 12px;
  font-size: 12px;
  color: #354352;
  line-height: 12px;
  white-space: nowrap;
  transition: all 0.2s;
  text-align: center;
}
.l-side-bar .list:last-child:before {
  border: none;
}
.l-side-bar .list:hover > em,
.l-side-bar .list.on > em,
.l-side-bar .list:hover .name,
.l-side-bar .list.on .name {
  color: #67d5b5;
}
.l-side-bar .list:before {
  content: "";
  position: absolute;
  bottom: 0;
  width: 50px;
  left: 50%;
  transform: translateX(-50%);
  border-bottom: 1px solid #eceff3;
}
.l-side-bar .return-top-btn {
  margin-top: 10px;
  overflow: hidden;
  width: 62px;
  height: 62px;
  line-height: 62px;
  text-align: center;
  cursor: pointer;
  background: #ffffff;
  border: 1px solid #eceff3;
  border-radius: 2px;
}
.l-side-bar .return-top-btn > i {
  font-weight: bold;
  color: #354352;
  font-size: 18px;
}
.qkjc-footer-wrap {
  margin-top: 83px;
}