body {
  background: #fefefe;
}
.banner {
  width: 100%;
  height: 35.3125vw;
  background: #f47a25;
  margin-top: 142px;
}
.banner .swiper {
  width: 100%;
  height: 100%;
}
.banner .swiper-slide .banner-img,
.banner .swiper-slide a {
  display: block;
  height: 100%;
  width: 100%;
  text-decoration: none;
}
.banner .banner-tt-box {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.banner .banner-tt-box .banner-tt-cont {
  text-align: center;
}
.banner .banner-tt-box .banner-tt-1 {
  color: #fefefe;
  font-size: 3.2292vw;
  font-weight: bold;
  line-height: 4.1667vw;
}
.banner .banner-tt-box .banner-tt-2 {
  color: #fefefe;
  font-size: 1.3021vw;
  line-height: 1.9792vw;
  margin-top: 1.9792vw;
}
.banner .banner-tt-box .banner-tt-btn {
  margin: 2.2917vw 0 0 0;
  line-height: 2.7083vw;
  border: 2px solid #fefefe;
  color: #fefefe;
  display: inline-block;
  padding: 0 1.3542vw;
  font-size: 1.3021vw;
}
.jc-container {
  margin-top: 0;
  z-index: 2;
}
.menu-box {
  width: 83.8542vw;
  height: 5.625vw;
  background: #fefefe;
  margin: -1.9792vw auto 0;
  box-shadow: 0 0 0.5208vw rgba(0, 0, 0, 0.4);
  border-radius: 0.5208vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.menu-box .menu {
  padding-left: 3.2292vw;
}
.menu-box .menu-ul {
  display: flex;
  align-items: center;
}
.menu-box .menu-li {
  margin-right: 2.8125vw;
}
.menu-box .menu-li a {
  font-size: 1.4583vw;
  text-decoration: none;
  color: #484443;
  transition: all 0.3s;
}
.menu-box .menu-li a:hover {
  color: #fd5b4c;
}
.menu-box .menu-li.active a {
  color: #fd5b4c;
}
.menu-box .menu-btn {
  padding-right: 2.9167vw;
}
.menu-box .menu-btn a {
  line-height: 3.5417vw;
  height: 3.5417vw;
  display: block;
  text-decoration: none;
  color: #fff;
  background: #e85a2c;
  padding: 0 1.4583vw;
  border-radius: 1.7708vw;
  font-size: 1.5625vw;
}
.content .part-title {
  line-height: 3.2292vw;
  font-size: 2.0833vw;
  font-weight: bold;
  color: #333;
  position: relative;
}
.content .part-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2.3958vw;
  border-top: 0.1563vw solid #e85a2c;
}
.content .part1-view {
  padding-top: 5.9375vw;
  padding-bottom: 4.5833vw;
  position: relative;
}
.content .part1-view::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 72.7083vw;
  border-top: 0.1042vw solid #f57c1f;
}
.content .part1-view img {
  width: 74.8958vw;
  height: 28.5417vw;
  display: block;
  margin: 0 auto;
}
.content .part2-view {
  width: 73.5417vw;
  height: 45.3125vw;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.content .part2-view .part2-left {
  margin-top: 9.5833vw;
}
.content .part2-view .part2-left .part2-list {
  padding-top: 3.6458vw;
}
.content .part2-view .part2-left .part2-list li {
  line-height: 2.6042vw;
  font-size: 0.9896vw;
  color: #2b2b2b;
  padding-left: 0.9375vw;
  position: relative;
}
.content .part2-view .part2-left .part2-list li::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.2604vw;
  height: 0.2604vw;
  background: #e85a2c;
}
.content .part2-view .part2-right {
  margin-top: 11.7708vw;
}
.content .part2-view .part2-right img {
  width: 26.7708vw;
  height: 17.7083vw;
  display: block;
}
.content .part3-view img {
  display: block;
  width: 100%;
}
.content .part4-view {
  padding-top: 6.0417vw;
  width: 74.5833vw;
  margin: 0 auto 8.3333vw;
}
.content .part4-view .part4-list {
  display: flex;
  justify-content: space-between;
  padding: 5vw 2.3958vw 0;
}
.content .part4-view .part4-list li {
  width: 21.7708vw;
  height: 28.9583vw;
  box-shadow: 0 0 1.5625vw rgba(0, 0, 0, 0.4);
}
.content .part4-view .part4-list li .part4-img {
  width: 21.7708vw;
  height: 18.5417vw;
}
.content .part4-view .part4-list li .part4-img img {
  display: block;
  width: 100%;
  height: 100%;
}
.content .part4-view .part4-list li .part4-cont .part4-tips {
  position: absolute;
  top: -2.1875vw;
  left: 1.7708vw;
  width: 4.1667vw;
  height: 4.1667vw;
  background: #e85a2c;
  border-radius: 50%;
  overflow: hidden;
  text-align: center;
  line-height: 4.1667vw;
  color: #fff;
  font-size: 1.0417vw;
}
.content .part4-view .part4-list li .part4-cont .part4-title {
  text-align: center;
  line-height: 2.0833vw;
  padding-top: 1.7708vw;
  margin-bottom: 0.8333vw;
  font-size: 1.1979vw;
}
.content .part4-view .part4-list li .part4-cont .part4-desc {
  line-height: 1.4583vw;
  font-size: 0.9375vw;
  padding: 0 1.875vw;
}