* {
  padding: 0;
  margin: 0;
}
a {
  text-decoration: none;
  cursor: pointer;
}
.wrapper img {
  display: block;
  margin: 0 auto;
}
.banner {
  background: url(../images/banner_bg.png) no-repeat center center;
  height: 500px;
  min-width: 1200px;
  background-size: cover;
  position: relative;
}
.banner .banner_text {
  position: absolute;
  top: 147px;
  left: 50%;
  transform: translateX(-50%) !important;
}
.banner_btn {
  position: absolute;
  bottom: 49px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
}
.banner .btn1 {
  width: 269px;
  margin-right: 240px;
}
.banner .btn2 {
  width: 270px;
}
.btn {
  cursor: pointer;
}
.part {
  text-align: center;
  overflow: hidden;
}
.part .title {
  margin-top: 50px;
  margin-bottom: 49px;
}
.part .title p {
  font-size: 24px;
  color: #000000;
  padding-top: 16px;
}
.part .con_text {
  font-size: 20px;
  color: #474747;
  padding-top: 47px;
}
.part .con_text b {
  font-size: 24px;
  color: #000000;
  text-decoration: underline;
  text-decoration-color: #fcf623;
  text-decoration-line: 9px;
}
.part .btn {
  width: 635px;
  height: 70px;
  line-height: 70px;
  border-radius: 20px;
  font-size: 26px;
  color: #ffffff;
  margin: 50px auto 0;
}
.part .btn.blue {
  background-color: #4b8ffe;
}
.part .btn.orange {
  background-color: #f56620;
}
.part1 {
  height: 627px;
}
.part2 {
  height: 1089px;
  background: url(../images/part2_bg.png) no-repeat center center;
  background-size: cover;
}
.part3 {
  height: 1807px;
  background: url(../images/part3_bg.png) no-repeat center center;
  background-size: cover;
}
.part4 {
  height: 1272px;
}
.part5 {
  height: 1159px;
  background-color: #f7f7f7;
}