* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.e-img {
  display: block;
  width: 100%;
}
.e-img-fill {
  display: block;
  width: 100%;
  height: 100%;
}
.main .section_title_wrap {
  padding: 0 0.5rem;
  display: flex;
  margin-left: 1rem;
}
.main .section_title_wrap .section_title_img_index {
  width: 3rem;
  height: 2rem;
}
.main .section_title_wrap .section_title {
  margin-top: 1.25rem;
  margin-left: -1.25rem;
}
.main .section_title_wrap .section_title .section_title_cn {
  font-weight: 700;
  font-size: 1.0625rem;
  color: #ffffff;
}
.main .section_title_wrap .section_title .section_title_en {
  font-size: 0.9375rem;
  color: #ffffff;
}
.main .light {
  color: #00A0E8;
}
.main .blod {
  font-weight: 700;
}
.main .red {
  color: #ff0000;
}
#qjnl {
  background-image: url(https://cdn.gdskfz.com/skfz/2024/mobile/buiness/waterEnv/bg_1.png?x-image-process=image/format,webp);
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;
  padding: 4rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
#qjnl .t1 {
  font-size: 1.5rem;
  color: #74BE5D;
  padding: 0 0.5rem 1rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid #74BE5D;
}
#qjnl .t2 {
  font-size: 0.875rem;
  color: #999999;
  line-height: 1.125rem;
  text-align: center;
}
#qyjs {
  background-image: url(https://cdn.gdskfz.com/skfz/2024/mobile/buiness/waterEnv/bg_2.png?x-image-process=image/format,webp);
  background-repeat: no-repeat;
  background-size: cover;
  padding: 2rem 0;
}
#qyjs .intro {
  margin-top: 1.25rem;
  padding: 0 0.75rem;
  font-size: 0.75rem;
  color: #ffffff;
  line-height: 1.125rem;
}
#qyjs .project_1 {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
}
#qyjs .project_1 .img_wrap {
  width: 12.8125rem;
  height: 8.5625rem;
  z-index: 1;
}
#qyjs .project_1 .project_detail {
  margin-left: -7.375rem;
  margin-top: 6.5625rem;
  background-color: #ffffff;
  width: 15.3125rem;
  height: 9.0625rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#qyjs .project_1 .project_detail .project_title {
  margin-top: 3rem;
  font-size: 0.875rem;
  color: #666666;
  font-weight: 700;
}
#qyjs .project_1 .project_detail .project_intro {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #999999;
  line-height: 0.9375rem;
  text-align: center;
}
#qyjs .project_2 {
  position: relative;
  margin-top: 2rem;
  display: flex;
  align-items: center;
}
#qyjs .project_2 .project_detail {
  flex: 1;
  background-color: #ffffff;
  width: 50%;
  height: 7rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  padding-right: 1rem;
}
#qyjs .project_2 .project_detail .project_title {
  font-size: 0.875rem;
  color: #666666;
  font-weight: 700;
}
#qyjs .project_2 .project_detail .project_intro {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #999999;
  line-height: 0.9375rem;
  text-align: end;
}
#qyjs .project_2 .img_wrap {
  width: 50%;
  max-width: 12.5rem;
}
#qyjs .project_3 {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
}
#qyjs .project_3 .img_wrap {
  width: 12.5rem;
  height: 9.375rem;
  z-index: 1;
}
#qyjs .project_3 .project_detail {
  margin-left: -3.375rem;
  margin-top: 4.25rem;
  background-color: #ffffff;
  width: 12.1875rem;
  height: 8.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#qyjs .project_3 .project_detail .project_title {
  margin-top: 3rem;
  font-size: 0.875rem;
  color: #666666;
  font-weight: 700;
}
#qyjs .project_3 .project_detail .project_intro {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: #999999;
  line-height: 0.9375rem;
  text-align: center;
}
.section_2 {
  margin-top: 2.5rem;
}
.section_2 .img_index {
  margin-bottom: 1.5rem;
  margin-left: 2rem;
  width: 3rem;
}
.section_2 .intro {
  padding: 0 0.5rem;
  font-size: 0.875rem;
  color: #999999;
  line-height: 1.125rem;
}
.section_2 .cotnent_wrap_1 {
  background-image: url(https://cdn.gdskfz.com/skfz/2024/mobile/buiness/waterEnv/bg_3.png?x-image-process=image/format,webp);
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: contain;
  padding-bottom: 1.75rem;
}
.section_2 .cotnent_wrap_1 .img_wrap {
  margin: 1.5rem auto 1rem;
  padding: 0 1rem;
  width: 100%;
  max-width: 25rem;
}
.section_2 .content_wrap_2 {
  background-image: url(https://cdn.gdskfz.com/skfz/2024/mobile/buiness/waterEnv/bg_4.png?x-image-process=image/format,webp);
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: contain;
  padding-bottom: 1.5rem;
}
.section_2 .content_wrap_2 .imgs {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}
.section_2 .content_wrap_2 .imgs .img_wrap_1 {
  width: 14.4375rem;
}
.section_2 .content_wrap_2 .imgs .img_wrap_2 {
  margin-top: 6rem;
  margin-left: -4.5rem;
  width: 12.75rem;
}