.index_col {
  padding: 115px 0 0;
  background-repeat: no-repeat;
  background-position: center 400px;
  background-size: contain;
  background-image: url("../images/index_col_bg.jpg");
}
@media (max-width: 1681px) {
  .index_col {
    padding: 80px 0 0;
  }
}
@media (max-width: 1180px) {
  .index_col {
    padding: 40px 0 0;
  }
}
@media (max-width: 668px) {
  .index_col {
    padding: 20px 0 0;
  }
}

.index_intro {
  background: url("../images/index_intro_bg.png") left bottom repeat-x;
}
.index_intro .col {
  position: relative;
  padding-bottom: 100px;
}
@media (max-width: 1440px) {
  .index_intro .col {
    padding-bottom: 80px;
  }
}
@media (max-width: 968px) {
  .index_intro .col {
    padding-bottom: 120px;
  }
}
@media (max-width: 668px) {
  .index_intro .col {
    padding-bottom: 0;
  }
}
.index_intro .col .txt {
  float: left;
  width: 50%;
  padding-left: 100px;
  font-size: 16px;
  line-height: 36px;
  color: #666;
}
@media (max-width: 1380px) {
  .index_intro .col .txt {
    font-size: 14px;
    line-height: 30px;
  }
}
@media (max-width: 1180px) {
  .index_intro .col .txt {
    padding-left: 50px;
  }
}
@media (max-width: 668px) {
  .index_intro .col .txt {
    float: none;
    width: 100%;
    padding-left: 0;
  }
}
.index_intro .col .txt .title {
  display: block;
  position: relative;
}
@media (max-width: 668px) {
  .index_intro .col .txt .title {
    padding-left: 50px;
  }
}
.index_intro .col .txt .title:before {
  content: "";
  display: block;
  width: 100px;
  height: 100px;
  background: url("../images/index_intro_t.png") center top no-repeat;
  position: absolute;
  left: -100px;
  top: 0;
}
@media (max-width: 1180px) {
  .index_intro .col .txt .title:before {
    width: 50px;
    height: 50px;
    left: -50px;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
  }
}
@media (max-width: 668px) {
  .index_intro .col .txt .title:before {
    left: 0;
  }
}
.index_intro .col .txt .title h1 {
  display: block;
  margin: 0;
  padding: 0;
  font-size: 36px;
  color: #1e7cc0;
  font-weight: bold;
}
@media (max-width: 1681px) {
  .index_intro .col .txt .title h1 {
    font-size: 30px;
  }
}
@media (max-width: 1180px) {
  .index_intro .col .txt .title h1 {
    font-size: 22px;
  }
}
@media (max-width: 668px) {
  .index_intro .col .txt .title h1 {
    font-size: 18px;
  }
}
.index_intro .col .txt .title span {
  display: block;
  height: 60px;
  line-height: 60px;
  font-family: "FuturaBT-Medium";
  color: rgba(0, 82, 113, 0.1);
  font-size: 60px;
}
@media (max-width: 1681px) {
  .index_intro .col .txt .title span {
    font-size: 50px;
  }
}
@media (max-width: 1180px) {
  .index_intro .col .txt .title span {
    font-size: 30px;
  }
}
@media (max-width: 668px) {
  .index_intro .col .txt .title span {
    height: 40px;
    line-height: 40px;
    font-size: 20px;
  }
}
.index_intro .col .txt .des {
  margin: 40px 0 20px;
}
@media (max-width: 1180px) {
  .index_intro .col .txt .des {
    margin: 20px 0;
  }
}
@media (max-width: 668px) {
  .index_intro .col .txt .des {
    margin: 10px 0;
  }
}
.index_intro .col .txt a.more {
  display: block;
  width: 160px;
  height: 40px;
  line-height: 40px;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  text-align: center;
  border-radius: 20px;
  background-image: -webkit-linear-gradient(left, #57ce96, #5dc8f7);
  background-image: linear-gradient(to right, #57ce96, #5dc8f7);
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_intro .col .txt a.more:hover {
  width: 180px;
}
.index_intro .col .img {
  float: right;
  width: 50%;
}
@media (max-width: 668px) {
  .index_intro .col .img {
    float: none;
    width: 100%;
  }
}
.index_intro .col .img img {
  width: 100%;
}
.index_intro .col .nums {
  width: 100%;
  padding-left: 100px;
  position: absolute;
  left: 0;
  bottom: -10px;
}
@media (max-width: 1440px) {
  .index_intro .col .nums {
    bottom: 50px;
  }
}
@media (max-width: 1180px) {
  .index_intro .col .nums {
    padding-left: 50px;
    bottom: 20px;
  }
}
@media (max-width: 668px) {
  .index_intro .col .nums {
    position: static;
    padding: 20px 0;
  }
}
.index_intro .col .nums .jump_nums {
  width: 100%;
}
.index_intro .col .nums .jump_nums ul {
  margin: 0;
  padding: 0;
}
.index_intro .col .nums .jump_nums ul li {
  display: block;
  float: left;
  margin-right: 90px;
}
@media (max-width: 1380px) {
  .index_intro .col .nums .jump_nums ul li {
    margin-right: 60px;
  }
}
@media (max-width: 1180px) {
  .index_intro .col .nums .jump_nums ul li {
    margin-right: 0px;
    width: 14.28%;
    text-align: center;
  }
}
@media (max-width: 668px) {
  .index_intro .col .nums .jump_nums ul li {
    width: 33.33%;
  }
  .index_intro .col .nums .jump_nums ul li:nth-of-type(4), .index_intro .col .nums .jump_nums ul li:nth-of-type(5), .index_intro .col .nums .jump_nums ul li:nth-of-type(6), .index_intro .col .nums .jump_nums ul li:nth-of-type(7) {
    width: 25%;
  }
}
.index_intro .col .nums .jump_nums ul li p {
  margin: 0;
  padding: 0;
}
.index_intro .col .nums .jump_nums ul li p.num span {
  font-size: 36px;
  font-family: "FuturaBT-Bold";
  color: #005271;
}
@media (max-width: 1380px) {
  .index_intro .col .nums .jump_nums ul li p.num span {
    font-size: 30px;
  }
}
@media (max-width: 968px) {
  .index_intro .col .nums .jump_nums ul li p.num span {
    font-size: 20px;
  }
}
.index_intro .col .nums .jump_nums ul li p.num em {
  font-size: 14px;
  color: #999;
  font-style: normal;
  margin-left: 5px;
}
.index_intro .col .nums .jump_nums ul li p.t {
  font-size: 14px;
  color: #666;
  margin-top: 10px;
}
@media (max-width: 668px) {
  .index_intro .col .nums .jump_nums ul li p.t {
    height: 40px;
    line-height: 20px;
    font-size: 12px;
  }
}