.box {
  max-width: 1920px;
  min-width: 900px;
}
.box header {
  height: 150px;
  padding: 40px 0;
  background: url("../img/header.png");
}
.box header h1,
.box header p {
  width: 600px;
  margin: 0 auto;
  text-align: center;
  cursor: pointer;
}
.box header p {
  font-size: 25px;
}
.box .banner {
  height: 320px;
  background: url("../img/banner.png") no-repeat center;
}
.box section {
  width: 1000px;
  margin: 0 auto;
}
.box section nav .navimg {
  margin: 30px 0;
  display: flex;
  justify-content: center;
}
.box section nav .navimg a {
  margin-left: 104px;
}
.box section nav .navimg a:nth-of-type(1) {
  margin-left: 0;
}
.box section nav .navimg a:nth-of-type(1) img:hover {
  content: url("../img/nav1-1.png");
}
.box section nav .navimg a:nth-of-type(2) img:hover {
  content: url("../img/nav2-2.png");
}
.box section nav .navimg a:nth-of-type(3) img:hover {
  content: url("../img/nav3-3.png");
}
.box section nav .navimg a:nth-of-type(4) img:hover {
  content: url("../img/nav4-4.png");
}
.box section article {
  height: 240px;
}
.box section article .left {
  padding: 35px 15px;
  width: 300px;
  height: 100%;
  background: url("../img/card.png");
}
.box section article .left h2 {
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}
.box section article .left p {
  text-indent: 2em;
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
}
.box section article .right {
  width: 700px;
  height: 100%;
  background: url("../img/bus.png");
  cursor: pointer;
}
.box section aside {
  margin-top: 30px;
}
.box section aside ul {
  overflow: hidden;
  margin: 0 -30px;
}
.box section aside ul li {
  float: left;
  width: 314px;
  border: 1px solid #e7e2e2;
  margin-left: 30px;
}
.box section aside ul li h2 {
  color: #0062ab;
  padding-left: 10px;
  line-height: 50px;
}
.box section aside ul li > div {
  width: 312px;
  height: 160px;
  position: relative;
  overflow: hidden;
}
.box section aside ul li > div:hover img {
  transform: translateY(-30px);
  cursor: pointer;
}
.box section aside ul li > div img {
  position: absolute;
  bottom: -30px;
  transition: all 0.5s ease;
}
.box section aside ul li p {
  padding-left: 10px;
  cursor: pointer;
}
.box section aside ul li p > a {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #707070;
}
.box section aside ul li p > a.first {
  background-color: #0096ff;
}
.box section aside ul li p span {
  padding-left: 10px;
  line-height: 30px;
  color: #555555;
  font-size: 14px;
}
.box section aside ul li p span.text {
  color: #0096ff;
}
.box section .bottom {
  margin-top: 30px;
  overflow: hidden;
  box-sizing: border-box;
  border: 1px solid #ebe5e5;
}
.box section .bottom a {
  display: block;
  float: left;
  padding: 10px 0 10px 10px;
}
.box section .bottom a img {
  display: block;
  width: 100%;
}
.box footer {
  padding: 10px 0;
  margin-top: 30px;
  background-color: #006eb6;
  text-align: center;
  font-size: 14px;
}
.box footer p {
  cursor: pointer;
}