.b-line.gray {
  background: rgba(240, 240, 240, 0.8);
}

.banner {
  height: 243px;
  background: url(../images/b66.png) no-repeat center #0677f2;
}

.b-box {
  margin: 0 auto;
  width: 1300px;
  height: 493px;
  padding: 100px 0;
}

.b-box img {
  height: auto;
  display: block;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
  cursor: pointer;
}

.b-box img:hover {
  scale: 1.05;
}

.b-box .left {
  float: left;
}

.b-box .right {
  float: right;
}

.b-box .b-p {
  width: 530px;
  padding-top: 80px;
}

.b-box .b-p .b-t {
  color: #222222;
  font-size: 35px;
  font-weight: 700;
  margin-bottom: 40px;
}

.b-box .b-p .b-u {
  color: rgba(0, 0, 0, 0.6);
  font-size: 16px;
  font-weight: 400;
  list-style-type: disc !important;
}

.b-box .b-p .b-u li {
  display: list-item;
  line-height: 32px;
  list-style-type: disc !important;
  list-style-position: inside;
}

.intro-index {
  width: 1300px;
  margin: 0 auto;
  height: 650px;
  padding: 100px 0 100px;
}

.intro-index .it-box {
  float: left;
  width: 470px;
}

.intro-index .it-box .it-t {
  font-size: 35px;
  font-weight: 700;
  line-height: 50px;
  padding-top: 150px;
  padding-bottom: 30px;
  color: #000;
}

.intro-index .it-box .it-l {
  width: 340px;
  height: 6px;
  background: -webkit-gradient(linear, left top, right top, from(#016cff), to(#24d1ff));
  background: -webkit-linear-gradient(left, #016cff 0%, #24d1ff 100%);
  background: linear-gradient(90deg, #016cff 0%, #24d1ff 100%);
  margin-bottom: 50px;
}

.intro-index .it-box .it-p {
  color: #666;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: 40px;
  text-align: justify;
}

.intro-index .it-img {
  float: right;
  width: 748px;
  height: 652px;
  display: block;
}