@charset "utf-8";
/*@import "/Skins/Default/resetcommon.css";*/
/*index.css start*/
/* CSS Document */
/*common*/
.mb10 {
  margin-bottom: 10px;
}
.ml10 {
  margin-left: 10px;
}
.bg {
  background: #FFF;
}
.oh {
  text-overflow: ellipsis;
  word-spacing: normal;
  overflow: hidden;
}
em,
i {
  font-style: normal;
}
.case-link,
.tel-link,
.news-link {
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
}
.case-link:hover,
.tel-link:hover,
.news-link:hover {
  opacity: 0.85;
}
.guide-con dl i {
  transition: all 1s;
}
.ys-nav li,
.news .news-nav span,
.about-info li i img,
.trait-con dt {
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
}
body {
  max-width: 1920px;
  margin: 0 auto;
}
.pro-img li img,
.pro-swiper dl img,
.case-con dl img,
.client li img,
.news-con .news-li img,
.news dl img,
.trait-con dt img,
.pro-item dt img {
  transition: 1s;
}
.pro-img li:hover img,
.case-con dl:hover img,
.client li:hover img,
.news-con .news-li:hover img,
.news dl:hover img,
.trait-con dt:hover img{
  transform: scale(1.1);
}
/*banner*/
.banner {
  max-width: 1920px;
  width: 100%;
  height: 900px;
  z-index: 66;
  overflow: hidden;
}
.ban_list {
  height: 900px;
  z-index: 66;
  overflow: hidden;
}
.banner li {
  height: 900px;
  position: relative;
}
.banner li img {
  width: 1920px;
  height: 900px;
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -960px;
  transition: 1s linear 2s;
  transform: scale(1.1, 1.1);
}
.banner li.cur img {
  transition: 4s linear;
  transform: scale(1, 1);
}
.ban-size {
  position: absolute;
  left: 50%;
  bottom: 20px;
  margin-left: -114px;
  width: 229px;
  height: 56px;
  border-radius: 28px;
  text-align: center;
}
.ban-size span {
  display: inline-block;
  margin: 10px 10px 0;
  cursor: pointer;
  width: 16px;
  height: 16px;
  background-color: #fff;
  border-radius: 8px;
}
.ban-size span.on {
  background-color: #f39800;
  width: 50px;
}
/**/
.search {
  height: 88px;
  position: relative;
  z-index: 99;
  background-color: #ffffff;
  box-shadow: 3px 4px 18px 0px rgba(0, 0, 0, 0.07);
  font-size: 15px;
  line-height: 88px ;
  color: #2c3033;
  margin-bottom:0;
}
.search a {
  color: #818181;
  display: inline-block;
  margin-right: 20px;
}
.search a:hover {
  color: #c6683b;
  text-decoration: revert;
}
.search span {
  font-weight: bold;
}
.sea-inp {
  margin-top: 24px;
  width: 599px;
  height: 40px;
  border-radius: 20px;
  border: solid 2px #d3d3d3;
  box-sizing: border-box;
  position: relative;
}
.sea-inp input {
  display: block;
  background: none;
  padding-left: 24px;
  width: 530px;
  height: 40px;
  border: 0;
  outline: none;
}
.sea-inp .sea-btn {
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  position: absolute;
  top: -2px;
  right: -2px;
  cursor: pointer;
  width: 66px;
  height: 40px;
  background: url(Img/Index/s-icon.png) no-repeat center center;
  background-color: #c6683b;
}
.g-title {
  height: 106px;
  text-align: center;
  margin-bottom: 56px;
  color: #2c3033;
}
.g-title span {
  display: block;
  height: 76px;
  font-weight: bold;
  font-size: 36px;
  line-height: 76px;
}
.g-title em {
  display: block;
  height: 30px;
  font-size: 24px;
  font-weight: normal;
  line-height: 30px;
}
/**/
.guide {
  height: 1059px;
  background: url(Img/Index/guide-bg.jpg) no-repeat top center;
}
.guide .g-title {
  padding-top: 70px;
  margin-bottom: 60px;
}
.guide-img {
  width: 930px;
  height: 495px;
  margin: 0 auto 108px;
  overflow: hidden;
}
.guide-img img {
  width: 930px;
  height: 495px;
}
.guide-info {
  height: 217px;
  background-color: #eeeeee;
overflow: hidden;
}
.guide-info .guid-prev,
.guide-info .guid-next {
  top: 102px;
  width: 43px;
  height: 21px;
  cursor: pointer;
}
.guide-info .guid-prev:hover,
.guide-info .guid-next:hover {
  background-position: center bottom;
}
.guide-info .guid-next {
  right: -105px;
  background: url(Img/Index/next-icon6.png) no-repeat center top;
}
.guide-info .guid-prev {
  left: -105px;
  background: url(Img/Index/prev-icon6.png) no-repeat center top;
}
.guide-info li {
  width: 300px;
  height: 142px;
  float: left;
  position: relative;
  color: #2c3033;
  line-height: 0;
  padding-top: 68px;
  text-align: center;
}
.guide-info li i {
  font-size: 60px;
  line-height: 60px;
  letter-spacing: -1px;
  font-family: arial;
}
.guide-info li sup {
  font-size: 18px;
  line-height: 30px;
  vertical-align: top;
}
.guide-info li p {
  font-size: 18px;
  line-height: 24px;
}
.guide-info li span {
  width: 60px;
  height: 60px;
  display: inline-block;
  vertical-align: bottom;
  overflow: hidden;
}
.guide-info li span img {
  width: 60px;
  height: 122px;
  display: block;
}
.guide-info li:after {
  content: "";
  position: absolute;
  top: 60px;
  left: 0;
  width: 1px;
  height: 97px;
  background-color: #2c3033;
  opacity: 0.2;
}
.guide-info li:hover,.guide-info li.cur {
  background-color: #c6683b;
  color: #fff;
}
.guide-info li:hover img,.guide-info li.cur img {
  margin-top: -62px;
}
/**/
.product {
  height: 1609px ;
  background: url(Img/Index/pro-bg.jpg) no-repeat center top;
  overflow: hidden;
}
.product .g-title {
  padding-top: 65px;
  margin-bottom: 50px;
}
.pro-nav {
  height: 197px;
}
.pro-nav li {
  float: left;
  width: 128px;
  height: 147px;
  margin: 0 34px;
  border: solid 2px transparent;
  text-align: center;
}
.pro-nav li img {
  width: 128px;
  height: 106px;
}
.pro-nav li span {
  display: block;
  font-size: 18px;
  line-height: 22px;
  color: #2b3034;
}
.pro-nav li.on,.pro-nav li:hover {
  border-color: #959595;
}
.pro-con .pro-tool {
  height: 130px;
}
.pro-con .pro-title {
  height: 130px;
  font-size: 36px;
  line-height: 130px;
  margin-right: 30px;
  color: #3f3f3f;
}
.pro-con .pro-title span {
  color: #c6683b;
}
.pro-con .pro-title a {
  color: #3f3f3f;
}
.pro-con .pro-two-nav {
  margin-top: 50px;
}
.pro-con .pro-two-nav li {
  float: left;
  width: 126px;
  height: 34px;
  background-color: #444444;
  margin-right: 10px;
  font-size: 15px;
  line-height: 34px;
  text-align: center;
}
.pro-con .pro-two-nav li a {
  display: block;
  color: #fff;
}
.pro-con .pro-two-nav li.on,.pro-con .pro-two-nav li:hover {
  background-color: #c6683b;
}
.pro-con .pro-size {
  width: 306px;
  font-size: 30px;
  font-family: arial;
  line-height: 130px;
  color: #343434;
}
.pro-con .pro-size span {
  font-size: 72px;
  font-weight: bold;
  color: #c6683b;
}
.pro-con .pro-jt {
  width: 90px;
  margin-top: 68px;
}
.pro-con .pro-jt > div {
  width: 26px;
  height: 27px;
  cursor: pointer;
}
.pro-con .pro-jt > div:hover {
  background-position: center bottom;
}
.pro-con .pro-prev {
  float: left;
  background: url(Img/Index/prev-icon2.png) no-repeat center top;
}
.pro-con .pro-next {
  float: right;
  background: url(Img/Index/next-icon2.png) no-repeat center top;
}
.pro-item dl {
  height: 564px;
  position: relative;
}
.pro-item dt {
  position: absolute;
  top: 0;
  left: 480px;
  width: 1081px;
  height: 564px;
  overflow: hidden;
}
.pro-item dt img {
  width: 1081px;
  height: 564px;
}
.pro-item dd {
  width: 428px;
  padding-top: 30px;
  border-top: 2px solid #959595;
}
.pro-item .pro-desc {
  font-size: 14px;
  line-height: 24px;
  color: #3f3f3f;
}
.pro-item .pro-link {
  margin-top: 20px;
  width: 39px;
  height: 39px;
  background: url(Img/Index/pro-icon1.png) no-repeat;
}
.pro-item .pro-link a {
  width: 39px;
  height: 39px;
  display: block;
}
.pro-item .pro-img {
  margin-top: 20px;
  margin-left: -9px;
  width: 1218px;
}
.pro-item .pro-img li {
  float: left;
  width: 286px;
  margin: 0 9px;
  font-size: 17px;
  line-height: 38px;
}
.pro-item .pro-img li a {
  color: #2e2e2e;
}
.pro-item .pro-img li span {
  font-size: 14px;
  color: #a9a9a9;
}
.pro-item .pro-img li i,
.pro-item .pro-img li img {
  display: block;
  width: 286px;
  height: 378px;
  overflow: hidden;
}
/**/
.trait {
  height: 1150px;
  background: url(Img/Index/trait-pic2.jpg) no-repeat center bottom;
  background-color: #EEEEEE;
}
.trait .g-title {
  padding-top: 116px;
  margin-bottom: 40px;
}
.trait-con {
  width: 351px;
}
.trait-con dl {
  margin-bottom: 20px;
  height: 179px;
  background-color: #ffffff;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.trait-con dl:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 179px;
  background-color: #c7683c;
  border-radius: 4px;
}
.trait-con dl:hover,
.trait-con dl.cur {
  background-color: #c6683b;
  overflow: inherit;
}
.trait-con dl:hover dt,
.trait-con dl.cur dt {
  display: block;
}
.trait-con dl:hover h3,
.trait-con dl.cur h3 {
  color: #fff;
}
.trait-con dl:hover h3 i,
.trait-con dl.cur h3 i,
.trait-con dl:hover h3 span,
.trait-con dl.cur h3 span {
  display: inline-block;
  line-height: 55px;
}
.trait-con dl:hover h3:after,
.trait-con dl.cur h3:after {
  background-color: #fff;
}
.trait-con dl:hover .trait-icon,
.trait-con dl.cur .trait-icon {
  display: none;
}
.trait-con dl:hover dd,
.trait-con dl.cur dd {
  margin-left: 24px;
}
.trait-con dl:hover .trait-link,
.trait-con dl.cur .trait-link {
  background-position: center bottom;
  display: none;
}
.trait-con dl:hover .trait-desc,
.trait-con dl.cur .trait-desc {
  display: block;
}
.trait-con dt {
  position: absolute;
  top: 0;
  left: -150px;
  padding: 26px 0 30px 21px;
  width: 134px;
  height: 123px;
  z-index: 9;
  display: none;
  border-radius: 4px;
  background-color: #c6683b;
  overflow: hidden;
}
.trait-con dt img {
  width: 134px;
  height: 123px;
}
.trait-con .trait-icon {
  width: 54px;
  height: 54px;
  position: absolute;
  top: 35px;
  left: -65px;
}
.trait-con dd {
  margin-left: 100px;
  padding-top: 20px;
  margin-right: 28px;
  position: relative;
  height: 159px;
}
.trait-con h3 {
  height: 55px;
  font-size: 30px;
  line-height: 55px;
  color: #2c3033;
  position: relative;
  margin-bottom: 10px;
}
.trait-con h3:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 27px;
  height: 2px;
  background-color: #c7683c;
}
.trait-con h3 i,
.trait-con h3 span {
  display: none;
  font-size: 16px;
  line-height: 50px;
  font-weight: normal;
}
.trait-con h3 i {
  margin: 0 4px;
}
.trait-con h3 span {
  display: block;
}
.trait-con .trait-desc {
  display: none;
  font-size: 13px;
  line-height: 20px;
  letter-spacing: 0px;
  color: #ffffff;
  opacity: 0.7;
}
.trait-con .trait-link {
  position: absolute;
  bottom: 24px;
  left: 0;
  width: 22px;
  height: 22px;
  background: url(Img/Index/trait-icon9.png) no-repeat center 1px;
}
/**/
.case {
  max-width: 1920px;
  height: 1008px;
  overflow: hidden;
  background: url(Img/Index/case-bg.jpg) no-repeat center top;
}
.case .g-title {
  padding-top: 55px;
  margin-bottom: 20px;
}
.case-nav {
  width: 1216px;
  margin-left: 16px;
  height: 158px;
  font-size: 18px;
  line-height: 50px;
  text-align: center;
}
.case-nav li {
  width: 266px;
  height: 50px;
  border: 3px solid #444444;
  margin: 0 16px 20px;
  float: left;
  color: #4d4d4d;
}
.case-nav li a {
  color: #4d4d4d;
  display: block;
}
.case-nav li:hover,
.case-nav li.on {
  color: #fff;
  background-color: #c6683b;
  border-color: #c6683b;
}
.case-nav li:hover a,
.case-nav li.on a {
  color: #fff;
}
.case-con .case-slide {
  height: 536px;
  margin-left: -150px !important;
}
.case-con dl {
  width: 580px;
  float: left;
  margin-right: 20px;
  position: relative;
}
.case-con dl:hover .case-link {
  background-color: #c6683b;
}
.case-con dt,
.case-con img {
  width: 580px;
  height: 415px;
  overflow: hidden;
}
.case-con dd {
  position: absolute;
  bottom: -80px;
  left: 22px;
  width: 353px;
  height: 128px;
  background-color: #ffffff;
  box-shadow: 3px 4px 27px 0px rgba(0, 0, 0, 0.15);
  padding-left: 36px;
  padding-right: 145px;
  font-size: 15px;
  line-height: 17px;
  color: #3a3831;
}
.case-con h3 {
  margin-top: 12px;
  height: 58px;
  font-size: 21px;
  font-weight: bold;
  color: #333;
  line-height: 58px;
}
.case-con h3 a {
  color: #333;
}
.case-con .case-link {
  width: 118px ;
  height: 128px;
  position: absolute;
  top: 0;
  right: 0;
  background: url(Img/Index/case-icon1.png) no-repeat center center;
  background-color: #444444;
}
.case-con .case-link a {
  display: block;
  width: 118px ;
  height: 128px;
}
.case-jt {
  width: 140px;
  height: 32px;
  margin: 0 auto;
  text-align: center;
}
.case-jt span {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #444444;
  margin: 12px 5px 0;
  border-radius: 50%;
}
.case-jt span.on {
  background-color: #c6683b;
}
.case-jt .case-next,
.case-jt .case-prev {
  width: 32px;
  height: 32px;
  cursor: pointer;
}
.case-jt .case-next:hover,
.case-jt .case-prev:hover {
  background-position: center bottom;
}
.case-jt .case-next {
  background: url(Img/Index/next-icon3.png) no-repeat center top;
}
.case-jt .case-prev {
  background: url(Img/Index/prev-icon3.png) no-repeat center top;
}
/**/
.ys {
  height: 1050px;
  background: url(Img/Index/ys-bg.jpg) no-repeat center top;
}
.ys .g-title {
  color: #fff;
  padding-top: 88px;
  margin-bottom: 34px;
}
.ys-nav {
  margin-bottom: 20px;
  height: 172px;
}
.ys-nav li {
  position: relative;
  width: 142px;
  height: 145px;
  border: 3px solid #E3B69F;
  margin-right: -3px;
  float: left;
  padding-left: 26px;
  color: #fff;
}
.ys-nav li i {
  margin-top: 7px;
  display: block;
  font-size: 25px;
  font-family: arial;
  color: #E3B69F;
  line-height: 44px;
}
.ys-nav li span {
  display: block;
  font-size: 26px;
  line-height: 28px;
}
.ys-nav li em {
  font-size: 12px;
  font-family: arial;
  color: #E3B69F;
  line-height: 26px;
  word-break: break-all;
  letter-spacing: 0px;
}
.ys-nav li.on {
  border-color: #fff;
  z-index: 10;
  background-color: #fff;
}
.ys-nav li.on i,
.ys-nav li.on span,
.ys-nav li.on em {
  color: #c6683b;
}
.ys-con dl {
  position: relative;
}
.ys-con dt,
.ys-con img {
  width: 1200px;
  height: 510px;
  overflow: hidden;
}
.ys-con dd {
  position: absolute;
  left: 100px;
  top: 436px;
  width: 1000px;
  height: 158px;
  background-color: #ffffff;
  box-shadow: 0px 0px 30px 0px rgba(0, 0, 0, 0.17);
  border-radius: 6px;
  border-bottom: 7px solid #c6683b;
}
.ys-con .ys-title {
  float: left;
  margin-top: 28px;
  margin-left: 36px;
  width: 455px;
  font-size: 24px;
  font-weight: normal;
  line-height: 33px;
  color: #2c3033;
}
.ys-con .ys-title span {
  display: block;
  height: 54px;
  font-size: 45px;
  font-weight: bold;
  line-height: 54px;
}
.ys-con .ys-desc {
  padding-left: 26px;
  float: right;
  margin-top: 40px;
  margin-right: 30px;
  width: 442px;
  font-size: 16px;
  line-height: 24px;
  color: #3f3f3f;
  border-left: 1px solid #787878;
}
.ys-con .top .ys-desc
{
  margin-top: 20px;  
}
.ys-con .min .ys-desc{
    padding-left: 26px;
    float: right;
    margin-top: 12px;    
    margin-right: 30px;
    width: 442px;
    font-size: 16px;
    line-height: 20px;
    color: #3f3f3f;
    border-left: 1px solid #787878;    
}
/**/
.news {
  height: 866px;
  background: url(Img/Index/news-bg.jpg) no-repeat center top;
}
.news .g-title {
  padding-top: 10px;
  margin-bottom: 25px;
}
.news .news-nav {
  height: 80px;
  font-size: 18px;
  line-height: 52px;
  text-align: center;
}
.news .news-nav span {
  width: 188px;
  height: 52px;
  display: inline-block;
  margin: 0 5px;
  background-color: #444444;
}
.news .news-nav span.cur {
  background-color: #c6683b;
}
.news .news-nav a {
  color: #fff;
}
.news-con {
  width: 1221px;
  margin-left: -10px;
}
.news-con .news-item {
  height: 515px;
}
.news-con dl {
  float: left;
  width: 387px;
  margin: 0 10px;
  background-color: #fff;
}
.news-con dl:hover .news-link {
  background-color: #c6683b;
}
.news-con dl:hover .news-link a {
  color: #fff;
}
.news-con dt,
.news-con img {
  width: 387px;
  height: 274px;
  overflow: hidden;
}
.news-con dd {
  padding: 10px 27px 0 27px;
}
.news-con h3 {
  height: 50px;
  font-weight: normal;
  font-size: 22px;
  line-height: 50px;
  overflow: hidden;
}
.news-con h3 a {
  color: #2c3033;
}
.news-con .news-desc {
  height: 80px;
  font-size: 14px;
  line-height: 18px;
  color: #818181;
}
.news-con .news-link {
  margin-bottom: 33px;
  width: 104px;
  height: 34px;
  font-size: 14px;
  line-height: 34px;
  text-align: center;
}
.news-con .news-link a {
  text-decoration: revert;
  color: #404040;
}
.news-con .news-jt {
  width: 140px;
  height: 32px;
  margin: 0 auto;
  text-align: center;
}
.news-con .news-jt span {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #444444;
  margin: 12px 5px 0;
  border-radius: 50%;
}
.news-con .news-jt span.on {
  background-color: #c6683b;
}
.news-con .news-jt .news-next,
.news-con .news-jt .news-prev {
  width: 32px;
  height: 32px;
  cursor: pointer;
}
.news-con .news-jt .news-next:hover,
.news-con .news-jt .news-prev:hover {
  background-position: center bottom;
}
.news-con .news-jt .news-next {
  background: url(Img/Index/next-icon3.png) no-repeat center top;
}
.news-con .news-jt .news-prev {
  background: url(Img/Index/prev-icon3.png) no-repeat center top;
}
.about {
  height: 911px;
  background: url(Img/Index/about-pic1.jpg) no-repeat center top;
}
.about .g-title {
  padding-top: 65px;
  height: 650px;
  color: #fff;
  margin-bottom: 0;
}
.about-info {
  height: 198px;
  background-color: #c6683b;
}
.about-info .about-title {
  width: 350px;
  height: 166px;
  padding: 30px 0 0 50px;
  background-color: #a44d23;
  float: left;
  font-size: 49px;
  font-weight: bold;
  line-height: 90px;
  color: #fff;
}
.about-info .about-title a{ color:#fff;}
.about-info .about-title span {
  display: block;
  height: 60px;
  border-bottom: 5px solid #fff;
  font-size: 14px;
  font-weight: normal;
  line-height: 20px;
  margin-right: 50px;
  background: url(Img/Index/about-icon1.png) no-repeat right top;
}
.about-info ul {
  float: right;
}
.about-info li {
  width: 144px;
  float: left;
  margin-top: 26px;
  margin-left: 20px;
  text-align: center;
}
.about-info li:hover img {
  margin-top: -114px;
}
.about-info li i {
  width: 105px;
  height: 105px;
  margin: 0 auto 8px;
  display: block;
  overflow: hidden;
}
.about-info li i img {
  height: 219px;
  width: 105px;
}
.about-info li span {
  height: 22px;
  display: block;
  font-size: 18px;
  line-height: 22px;
  color: #fff;
}
.about-info li em {
  font-size: 12px;
  line-height: 20px;
  color: #D18460;
}
.course {
  height: 588px;
  background: url(Img/Index/about-bg2.jpg) no-repeat center top;
}
.course .content {
  width: 1012px;
}
.course dl {
  margin-top: 80px;
  width: 196px;
  float: left;
  margin-right: 8px;
  text-align: center;
  position: relative;
  padding-bottom: 40px;
  margin-bottom: 110px;
}
.course dl:hover .course-desc {
  display: block;
}
.course dl.show .course-desc {
  display: block;
}
.course dl.show h3 {
  color: #c6683b;
}
.course dl:hover h3 {
  color: #c6683b;
}
.course dt {
  width: 196px;
  height: 160px;
  padding-top: 36px;
  margin-bottom: 22px;
  background: url(Img/Index/about-icon12.png) no-repeat center top;
}
.course dt img {
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto 0;
}
.course h3 {
  height: 35px;
  font-size: 35px;
  font-family: arial;
  line-height: 35px;
  color: #757575;
}
.course p {
  height: 22px;
  font-size: 13px;
  line-height: 22px;
  color: #C1C1C1;
}
.course .course-prev,
.course .course-next {
  top: 132px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 10;
}
.course .course-prev:hover,
.course .course-next:hover {
  background-position: center bottom;
}
.course .course-prev:after,
.course .course-next:after {
  content: "";
  width: 82px;
  height: 8px;
  background: #E5E5E5;
  position: absolute;
  top: 135px;
}
.course .course-desc {
  display: none;
  position: absolute;
  top: 291px;
  left: 0;
  width: 546px;
  height: 118px;
  background-color: #eeeeee;
  font-size: 15px;
  line-height: 24px;
  color: #757575;
  text-align: left;
  padding: 18px 30px 0;
}
.course .course-desc.noleft
{
    left:auto;
    right:0;    
}
.course .course-desc.noleft:after {
  content: "";
  position: absolute;
  top: -10px;
  left:auto;
  right: 84px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 10px 10px 10px;
  border-color: transparent transparent #eeeeee transparent;
}
.course .course-desc:after {
  content: "";
  position: absolute;
  top: -10px;
  left: 84px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 10px 10px 10px;
  border-color: transparent transparent #eeeeee transparent;
}
.course .course-prev {
  left: -90px;
  background: url(Img/Index/prev-icon4.png) no-repeat center top;
}
.course .course-prev:after {
  left: 0;
}
.course .course-next {
  right: -90px;
  background: url(Img/Index/next-icon4.png) no-repeat center top;
}
.course .course-next:after {
  right: 0;
}