.hot-project-banner {
  height: 470px;
  width: 100%;
  background: url('../images/hot_project/hot_project_banner.jpg') no-repeat center center;
  background-size: cover;
  text-align: center;
  color: #fff;
}
.hot-project-banner h4 {
  font-size: 54px;
  font-weight: bold;
  margin-top: 120px;
  margin-bottom: 40px;
}
.hot-project-banner p {
  font-size: 24px;
  line-height: 36px;
}
.hot-project-introducer {
  height: 728px;
  margin: 0 auto;
}
.hot-project-introducer > ul {
  height: 180px;
}
.hot-project-introducer > ul li {
  width: 25%;
  float: left;
  font-size: 18px;
  color: #000;
  line-height: 180px;
  text-align: center;
  font-weight: bold;
}
.hot-project-introducer > ul li i {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #bb342e;
  position: relative;
  top: -3px;
  margin-right: 40px;
}
.hot-project-introducer > ul li b {
  display: inline-block;
  width: 46px;
  height: 46px;
  position: relative;
  top: 20px;
  margin-right: 6px;
  background: url("../images/hot_project/tabs01.png") no-repeat -46px -13px;
}
.hot-project-introducer > ul li:nth-child(2) > b {
  background-position: -176px -13px;
}
.hot-project-introducer > ul li:nth-child(3) > b {
  background-position: -329px -13px;
}
.hot-project-introducer > ul li:nth-child(4) > b {
  background-position: -450px -13pxpx;
}
.hot-project-introducer > hr {
  width: 940px;
  margin: 0 auto;
  background: #959595;
  position: relative;
}
.hot-project-introducer hr::after {
  content: '';
  display: block;
  width: 73px;
  height: 3px;
  background: #01a9dd;
  position: absolute;
  left: 433px;
  top: -2px;
}
.hot-project-introducer .introducer {
  width: 700px;
  margin: 0 auto;
  position: relative;
}
.hot-project-introducer .introducer h4 {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin: 50px 0 58px;
}
.hot-project-introducer .introducer div {
  width: 100%;
  color: #000;
  margin: 15px 0;
}
.hot-project-introducer .introducer div span {
  font-size: 25px;
}
.hot-project-introducer .introducer div input {
  width: 506px;
  height: 40px;
  line-height: 40px;
  font-size: 18px;
  color: #7f7f7f;
  outline: none;
  border: 1px solid #090204;
  padding: 0 30px;
  background: #f4f4f4;
}
.hot-project-introducer .introducer div textarea {
  width: 506px;
  min-height: 100px;
  padding: 12px 30px;
  font-size: 18px;
  color: #7f7f7f;
  border: 1px solid #090204;
  background: #f4f4f4;
  outline: none;
}
.hot-project-introducer .introducer div:nth-child(4) span {
  position: relative;
  left: 0;
  top: -74px;
}
.hot-project-introducer .introducer div:last-child {
  text-align: center;
  margin-top: 55px;
}
.hot-project-introducer .introducer div:last-child input {
  width: 333px;
  height: 60px;
  line-height: 60px;
  border: none;
  font-size: 24px;
  color: #fff;
  background: #868686;
  border-radius: 10px;
  text-align: center;
}
.hot-project-introducer .introducer p {
  height: 40px;
  line-height: 40px;
  font-size: 18px;
  color: #ff4a4b;
  position: absolute;
}
.hot-project-introducer .introducer p:nth-child(3) {
  top: 102px;
  right: -238px;
}
.hot-project-introducer .introducer p:nth-child(5) {
  top: 172px;
  right: -152px;
}
/* .hot-project-address start */
.hot-project-address {
  width: 100%;
  height: 926px;
  background: #1272ac;
}
.hot-project-address .hot-project-address-box {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  position: relative;
}
.hot-project-address .hot-project-address-box > div:nth-child(1) {
  position: absolute;
  color: #fff;
  top: 40px;
  left: 20px;
}
.hot-project-address .hot-project-address-box > div:nth-child(1) h4 {
  font-size: 32px;
  font-weight: bold;
  line-height: 42px;
}
.hot-project-address .hot-project-address-box > div:nth-child(1) p {
  font-size: 18px;
  line-height: 53px;
}
.hot-project-address .hot-project-address-box > div:nth-child(2) {
  width: 100%;
  height: 100%;
}
/* .hot-project-address end */
/* .hot-project-tabs start */
.hot-project-tabs {
  width: 100%;
  height: 690px;
  background: #f6f6f6;
}
.hot-project-tabs ul {
  width: 1203px;
  height: 350px;
  margin: 180px auto 160px;
  border: 1px solid #43abb6;
}
.hot-project-tabs ul li {
  width: 300px;
  height: 100%;
  float: left;
  font-size: 16px;
  color: #000;
  text-align: center;
}
.hot-project-tabs ul li dl {
  width: 100%;
}
.hot-project-tabs ul li dl dt {
  width: 115px;
  height: 115px;
  margin: 44px auto 0;
}
.hot-project-tabs ul li dl dd {
  line-height: 28px;
}
.hot-project-tabs ul li dl dd h4 {
  font-size: 28px;
  color: #43abb6;
  margin: 14px 0 24px;
}
.hot-project-tabs ul li:nth-child(1) {
  border-right: 1px solid #43abb6;
}
.hot-project-tabs ul li:nth-child(1) dt {
  background: url("../images/hot_project/tabs05_b.png") no-repeat;
}
.hot-project-tabs ul li:nth-child(2) {
  border-right: 1px solid #43abb6;
}
.hot-project-tabs ul li:nth-child(2) dt {
  background: url("../images/hot_project/tabs04_b.png") no-repeat;
}
.hot-project-tabs ul li:nth-child(3) {
  border-right: 1px solid #43abb6;
}
.hot-project-tabs ul li:nth-child(3) dt {
  background: url("../images/hot_project/tabs03_b.png") no-repeat;
}
.hot-project-tabs ul li:nth-child(4) dt {
  background: url("../images/hot_project/tabs02_b.png") no-repeat;
}
.hot-project-tabs ul li:hover {
  color: #fff;
  background: #43abb6;
}
.hot-project-tabs ul li:hover h4 {
  color: #fff;
}
@-webkit-keyframes changeOne {
  0% {
    opacity: 1;
    background: url("../images/hot_project/tabs05_b.png ") no-repeat;
  }
  50% {
    opacity: 0;
  }
  100% {
    background: url("../images/hot_project/tabs05_a.png ") no-repeat;
    opacity: 1;
  }
}
.hot-project-tabs ul li:nth-child(1):hover dt {
  animation-name: changeOne;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
}
@-webkit-keyframes changeTwo {
  0% {
    opacity: 1;
    background: url("../images/hot_project/tabs04_b.png ") no-repeat;
  }
  50% {
    opacity: 0;
  }
  100% {
    background: url("../images/hot_project/tabs04_a.png ") no-repeat -1px -1px;
    opacity: 1;
  }
}
.hot-project-tabs ul li:nth-child(2):hover dt {
  animation-name: changeTwo;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
}
@-webkit-keyframes changeThree {
  0% {
    opacity: 1;
    background: url("../images/hot_project/tabs03_b.png ") no-repeat;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
    background: url("../images/hot_project/tabs03_a.png ") no-repeat;
  }
}
.hot-project-tabs ul li:nth-child(3):hover dt {
  animation-name: changeThree;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
}
@-webkit-keyframes changeFour {
  0% {
    background: url("../images/hot_project/tabs02_b.png ") no-repeat;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
    background: url("../images/hot_project/tabs02_a.png ") no-repeat;
  }
}
.hot-project-tabs ul li:nth-child(4):hover dt {
  animation-name: changeFour;
  animation-duration: 0.5s;
  animation-fill-mode: forwards;
}
/* .hot-project-tabs end */
/* .modal-box start */
body {
  position: relative;
}
.modal-box {
  display: none;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 999;
  position: fixed;
}
.modal-box .modal-dialog {
  position: fixed;
  left: 50%;
  top: 50%;
  margin-top: -300px;
  margin-left: -450px;
  width: 830px;
  height: 600px;
  background: #fff;
  padding-left: 70px;
}
.modal-box .modal-dialog h4 {
  margin-top: 69px;
  font-size: 35px;
  color: #000;
}
.modal-box .modal-dialog h3 {
  font-size: 45px;
  font-weight: bold;
  color: #ff4a4a;
  margin: 43px 0;
}
.modal-box .modal-dialog h6 {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
}
.modal-box .modal-dialog p {
  font-size: 18px;
  width: 331px;
  line-height: 28px;
}
.modal-box .modal-dialog img {
  position: absolute;
  right: 55px;
  top: 108px;
}
.modal-box .modal-dialog b {
  font-size: 42px;
  position: absolute;
  right: 27px;
  top: 9px;
  cursor: pointer;
}
/* .modal-box end */
