.clearfix:after {
  visibility: hidden;
  display: block;
  height: 0;
  font-size: 0;
  content: "";
  clear: both;
}
/*banner*/
.banner {
  position: relative;
  width: 100%;
  height: 639px;
}
.banner .bd {
  margin: 0 auto;
  position: relative;
  z-index: 0;
  overflow: hidden;
}
.banner .bd ul {
  width: 100% !important;
  height: 639px !important;
}
.banner .bd ul li {
  width: 100% !important;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
}
.banner .bd ul li a {
  display: block;
  height: 639px;
  background-position: center;
  background-repeat: no-repeat;
}
.banner .hd {
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 20px;
  text-align: center;
  z-index: 1;
}
.banner .hd ul li {
  margin: 0 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  cursor: pointer;
  display: inline-block;
  vertical-align: middle;
  zoom: 1;
  transition: all 0.3s;
  -o-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
}
.banner .hd ul .on {
  width: 14px;
  height: 14px;
  background: none;
  border: 2px solid #ffffff;
}
.index-tit {
  text-align: center;
  padding-top: 30px;
}
.index-tit .p1 {
  font-size: 60px;
  line-height: 92px;
  font-weight: bold;
  color: #279c55;
}
.index-tit .p2 {
  color: #333333;
  font-size: 30px;
  line-height: 30px;
}
.index-tit .p2 span {
  display: inline-block;
  vertical-align: middle;
  width: 42px;
  height: 1px;
  background: #bfbfbf;
  margin: 0 16px;
}
.index-tit .p3 {
  color: #999999;
  font-size: 13px;
  line-height: 1;
  margin-top: 22px;
}
.index-1 .cont {
  width: 1200px;
  margin: 67px auto 0;
}
.index-1 .cont .left {
  float: left;
  width: 472px;
}
.index-1 .cont .left ul li {
  height: 142px;
  background: url(../images/bg.png) no-repeat left center;
  margin-top: 21px;
  display: inline-block;
  width: 49%;
  margin-bottom: 23px;
}
.index-1 .cont .left ul li:first-child {
  margin-top: 0;
}
.index-1 .cont .left ul li .title {
  line-height: 52px;
}
.index-1 .cont .left ul li .title span {
  display: inline-block;
  color: #def4e7;
  font-size: 62px;
  font-weight: bold;
  line-height: 52px;
  vertical-align: bottom;
  margin-right: 17px;
  padding-left: 38px;
}
.index-1 .cont .left ul li .title a {
  display: inline-block;
  vertical-align: bottom;
  color: #279c55;
  font-size: 32px;
  line-height: 1;
  font-weight: bold;
  margin-left: 40px;
}
.index-1 .cont .left ul li .desc {
  font-size: 13px;
  color: #666666;
  line-height: 2;
  padding-left: 42px;
  margin-top: 14px;
}
.index-1 .cont .right {
  width: 691px;
  float: right;
}
.index-1 .cont .right p {
  color: #333333;
  font-size: 13px;
  line-height: 38px;
}
.index-1 .cont .pic {
  margin-top: 20px;
  position: relative;
}
.index-1 .cont .pic a {
  position: absolute;
  right: 0;
  bottom: 0;
  display: block;
  width: 118px;
  height: 38px;
  background: #279c55;
  text-align: center;
  line-height: 38px;
  font-size: 16px;
  color: #ffffff;
}
.index-2 {
  background: url(../images/bg1.jpg) no-repeat center top;
  margin-top: 68px;
}
.index-2 .index-tit .p1,
.index-2 .index-tit .p2,
.index-2 .index-tit .p3 {
  color: #ffffff;
}
.index-2 .index-tit .p1 span,
.index-2 .index-tit .p2 span,
.index-2 .index-tit .p3 span {
  background: #ffffff;
  opacity: 0.5;
  filter: alpha(opacity=50);
}
.index-2 .list {
  width: 1200px;
  margin: 30px auto 0;
}
.index-2 .list ul {
  font-size: 0px;
}
.index-2 .list ul li {
  width: 590px;
  height: 312px;
  padding: 16px;
  background: #ffffff;
  display: inline-block;
  margin-right: 20px;
  margin-top: 20px;
  box-shadow: 1px 1px 15px 0px rgba(35, 35, 35, 0.15);
}
.index-2 .list ul li:nth-child(even) {
  margin-right: 0;
}
.index-2 .list ul li .pic {
  display: block;
  width: 280px;
  height: 280px;
  border: 1px solid #eeeeee;
  float: left;
}
.index-2 .list ul li .pic img {
  width: 100%;
  height: 100%;
}
.index-2 .list ul li .info {
  float: right;
  width: 250px;
  height: 100%;
  position: relative;
}
.index-2 .list ul li .info .title {
  font-size: 18px;
  color: #279c55;
  font-weight: bold;
  line-height: 56px;
}
.index-2 .list ul li .info .desc {
  color: #555555;
  font-size: 14px;
  line-height: 30px;
}
.index-2 .list ul li .info .more {
  position: absolute;
  bottom: 19px;
  display: block;
  width: 126px;
  height: 36px;
  border: 1px solid #e5e5e5;
  color: #888888;
  font-size: 12px;
  line-height: 34px;
  text-align: center;
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}
.index-2 .list ul li:hover .more {
  background: #279c55;
  border-color: #279c55;
  color: #ffffff;
}
.index-2 .btn {
  display: block;
  width: 150px;
  height: 36px;
  background: #279c55;
  font-size: 16px;
  color: #ffffff;
  text-align: center;
  line-height: 36px;
  margin: 46px auto;
}
.index-3 .index-tit {
  background: #f5f5f5;
  padding-bottom: 48px;
}
.index-3 .list {
  width: 1200px;
  margin: 0 auto;
}
.index-3 .list ul {
  font-size: 0px;
}
.index-3 .list ul li {
  width: 557px;
  display: inline-block;
  line-height: 1;
  margin-right: 86px;
  margin-top: 58px;
}
.index-3 .list ul li:nth-child(even) {
  margin-right: 0;
}
.index-3 .list ul li .title {
  color: #333333;
  font-size: 18px;
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}
.index-3 .list ul li .desc {
  color: #666666;
  font-size: 13px;
  line-height: 28px;
  margin-top: 27.5px;
}
.index-3 .list ul li .line {
  width: 80px;
  height: 2px;
  background: #279c55;
  margin: 24.5px 0 14px;
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}
.index-3 .list ul li .date {
  color: #279c55;
  font-size: 30px;
  line-height: 1;
}
.index-3 .list ul li:hover .title {
  color: #279c55;
  font-weight: bold;
}
.index-3 .list ul li:hover .line {
  width: 100%;
}
.index-3 .more {
  display: block;
  width: 150px;
  height: 36px;
  border: 1px solid #e5e5e5;
  color: #888888;
  font-size: 16px;
  text-align: center;
  line-height: 34px;
  margin: 42px auto;
}
.index-4 {
  background: url(../images/bg2.jpg) no-repeat center top;
}
.index-4 .index-tit .p1,
.index-4 .index-tit .p2,
.index-4 .index-tit .p3 {
  color: #ffffff;
}
.index-4 .index-tit .p1 span,
.index-4 .index-tit .p2 span,
.index-4 .index-tit .p3 span {
  background: #ffffff;
  opacity: 0.5;
  filter: alpha(opacity=50);
}
.index-4 .list {
  width: 1200px;
  margin: 28px auto 43px;
}
.index-4 .list ul {
  font-size: 0px;
}
.index-4 .list ul li {
  display: inline-block;
  width: 380px;
  text-align: center;
  margin-right: 30px;
  margin-top: 30px;
}
.index-4 .list ul li:nth-child(3n) {
  margin-right: 0;
}
.index-4 .list ul li .pic {
  position: relative;
  width: 100%;
  height: 290px;
  margin-bottom: 14px;
}
.index-4 .list ul li .pic img {
  width: 100%;
  height: 100%;
}
.index-4 .list ul li .pic .mask {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 10px;
  right: 10px;
  margin: auto;
  width: 0;
  height: 0;
  background: #279c55;
  opacity: 0.85;
  filter: alpha(opacity=85);
  text-align: center;
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}
.index-4 .list ul li .pic .mask p {
  color: #ffffff;
  font-size: 40px;
  text-align: center;
  line-height: 72px;
  margin-top: 88px;
  opacity: 0;
  filter: alpha(opacity=0);
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}
.index-4 .list ul li .pic .mask .more {
  color: #ffffff;
  font-size: 14px;
  opacity: 0;
  filter: alpha(opacity=0);
  transition: all 0.5s;
  -o-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}
.index-4 .list ul li .info {
  color: #000000;
  font-size: 14px;
  line-height: 30px;
}
.index-4 .list ul li .info span {
  color: #279c55;
  font-style: italic;
}
.index-4 .list ul li:hover .mask {
  width: 360px;
  height: 270px;
}
.index-4 .list ul li:hover .mask p {
  opacity: 1;
  filter: alpha(opacity=1);
}
.index-4 .list ul li:hover .mask .more {
  opacity: 1;
  filter: alpha(opacity=1);
}