html, body {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}
/* 生态官网部分公用样式 */
.article-content {
  font-family: "SourceHanSansCN-Medium";
  font-weight: normal;
  margin-top: 0;
  --bg-color-1: var(--white-primary);
  --bg-color-2: #f5f5f5;
  --bg-color-3: #f7f7f7;
  --bg-color-4: #fafafa;
  --text-color-1: #333333;
  --text-color-2: #191919;
  --text-color-3: #666666;
  --text-color-4: #1d1d1ff2;
  --radius-primary: 2.4rem;
  --blue-primary: #3c70ff;
}
.white-bg {
  background-color: var(--white-primary);
}
.color-white {
  color: #fff;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5 {
  font-family: "SourceHanSansCN-Bold";
  font-weight: normal;
}

.position-relative {
  position: relative;
}

.full-screen {
  width: 100vw;
  height: 100vh;
}

.absolute-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.img-cover {
  object-fit: cover;
}
.img-contain {
  object-fit: contain;
}
.img-fill {
  object-fit: fill;
}
.img-posn {
  object-position: left bottom;
}
/* banner部分 */
.article-banner {
  height: 70rem;
  padding-top: 10rem; /* 把菜单栏高度留出来 */
  position: relative;
}
.banner-img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left;
}
.ban-pos-img {
  object-fit: contain;
  object-position: left bottom;
}
.banner-content {
  position: relative;
  height: 100%;
  padding: 0 0 0 23.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.banner-title h1 {
  font-family: "AlibabaPuHuiTi-Medium";
  font-weight: bold;
  font-size: 6rem;
  line-height: 8.4rem;
}
.banner-title p {
  margin-top: 1.6rem;
  font-size: 2.4rem;
  line-height: 3.6rem;
}
.banner-link {
  margin: 6.8rem 0 3.2rem 0;
  padding: 1.2rem 7.2rem;
  font-family: "SourceHanSansCN-Medium";
  font-size: 2.4rem;
  line-height: 3.6rem;
  color: var(--text-color-2);
  border-radius: 8rem;
  border: 1px solid var(--text-color-2);
  width: fit-content;
  transition: all 0.3s;
}
.banner-link:hover,
.section-title-btn a:hover {
  background-color: var(--red-primary);
  border-color: var(--red-primary);
  color: var(--white-primary);
}
/* section部分 */
.section-padding {
  padding: 12rem 23.4rem;
}
.section-padding-2 {
  padding: 12rem 0;
}
.section-padding-3 {
  padding: 7.8rem 16.1rem;
}
.section-padding-4 {
  padding: 9.8rem 20.2rem;
}
.section-bg-2 {
  background-color: var(--bg-color-2);
}
.section-bg-1 {
  background-color: var(--bg-color-1);
}
.section-bg-3 {
  background-color: var(--bg-color-3);
}
.section-bg-4 {
  background-color: var(--bg-color-4);
}
/* 标题 */
.section-title {
  font-size: 5.6rem;
  line-height: 6.4rem;
  color: var(--text-color-1);
  font-weight: bold !important;
  text-align: center;
}
.section-title-clip em {
  font-weight: bold;
  color: var(--text-color-1);
  background: linear-gradient(90.79deg, #232526 0.12%, #626262 100.55%);
  background-clip: text;
  box-decoration-break: clone;
  -webkit-background-clip: text;
  -webkit-text-fill-color: rgba(0, 0, 0, 0);
  -webkit-box-decoration-break: clone;
}
.section-title-desc {
  margin-top: 3rem;
  font-size: 2.2rem;
  line-height: 3.6rem;
  color: rgba(29, 29, 31, 0.95);
  text-align: center;
}
.section-title-desc em {
  font-weight: 500;
  color: var(--black-primary);
}
.section-title-desc2,
.section-title-desc3 {
  padding: 0 2.6rem;
  color: rgba(29, 29, 31, 0.95);
  text-align: left;
}
.section-title-desc2 {
  margin-top: 4rem;
}

.section-title-desc3, .section-title-desc4 {
  margin-top: 5rem;
}

.section-title-desc4 {
  margin-top: 7.4rem;
  color: rgba(134, 134, 139, 0.95);
  text-align: left;
}

.section-title-desc5, .section-title-desc6 {
  margin: 3.6rem 0 0 0;
  color: #545454;
}
.section-title-desc5 em,
.section-title-desc6 em {
  color: rgba(29, 29, 31, 0.95);
}

.section-title-btn {
  margin: 4rem 0 0 0;
  text-align: center;
}

.section-title-btn a {
  font-family: "SourceHanSansCN-Regular";
  display: inline-block;
  margin: 0 1rem;
  width: 24rem;
  height: 6.8rem;
  line-height: 6.6rem;
  font-size: 2.4rem;
  font-weight: bold;
  border-radius: 4rem;
  border: 1px solid #191919;
  box-sizing: border-box;
  text-align: center;
}
.section-so-icon {
  margin: 0 0 7.2rem 0;
  text-align: center;
}
.section-so-icon span {
  display: inline-block;
  width: 15.5rem;
}
.section-so-icon img,
.article-sub-banner img {
  display: block;
  width: 100%;
}
.section-so-icon2 {
  margin: 0 0 1.5rem 0;
}
.section-so-icon2 span {
  margin: 0 -3.5rem 0 0;
}

.article-bread {
  display: flex;
  align-items: center;
  padding: 0 23.4rem;
  margin: 7.2rem 0 0 0;
  font-family: 'Source Han Sans CN';
  line-height: 3.4rem;
  font-size: 1.8rem;
  color: #626262;
}
.article-bread a {
  color: #626262;
}
.article-bread a:hover {
  color: rgba(29, 29, 31, 0.95);
  font-weight: bold;
  text-decoration: underline;
}
.bread_icon {
  width: 1.8rem;
  height: 1.8rem;
  line-height: 0;
  vertical-align: middle;
  background: url("../../images/eco/icon_r_1.png") 0 0 no-repeat;
  background-size: cover;
}

.article-bread2 {
  padding: 0 31.2rem;
}

@media screen and (max-width: 1280px) {
  .ban-pos-img {
    object-fit: cover;
    object-position: center center;
  }
  .section-padding {
    padding: 3rem 6rem;
  }
  .section-padding-2 {
    padding: 3rem 0;
  }
  .section-padding-3,
  .section-padding-4 {
    padding: 3rem;
  }
  .article-bread,
  .section-title-desc6 {
    padding: 0 6rem;
  }
  .article-bread2 {
    padding: 0 13.2rem;
  }
  .img-posn {
    object-position: center bottom;
  }
}
@media screen and (max-width: 767px) {
  .img-posn {
    object-position: center center;
  }
  /* banner部分 */
  .article-banner {
    display: flex;
    height: 12rem;
    padding-top: 2.25rem;
  }

  .banner-content {
    padding: 0 0 0 1rem;
    height: auto;
  }

  .banner-title h1 {
    font-size: 1rem;
    line-height: 1.6rem;
  }

  .banner-title p {
    margin-top: 0.25rem;
    font-size: 0.7rem;
    line-height: 1rem;
  }

  .banner-link {
    margin: 0.75rem 0 0 0;
    padding: 0.15rem 1.5rem;
    font-size: 0.7rem;
    line-height: 1rem;
    border-radius: 2rem;
    width: fit-content;
  }

  /* section-padding */
  .section-padding {
    padding: 3rem 0.5rem;
  }
  .section-title {
    font-size: 1rem;
    line-height: 1.5rem;
  }
  .section-title-desc {
    margin-top: 0.75rem;
    font-size: 0.7rem;
    line-height: 1rem;
  }
  .section-title-desc2 {
      padding: 0 ;
    margin-top: 1rem;
  }

  .section-title-desc3 {
      padding: 0;
    margin-top: 1.2rem;
  }

  .section-title-desc4 {
    margin-top: 1.5rem;
  }
  .section-title-desc6 {
    padding: 0 0.5rem;
  }
  .section-title-btn {
    margin: 1rem 0 0 0;
  }

  .section-title-btn a {
    display: inline-block;
    margin: 0 0.5rem;
    width: 7.5rem;
    height: 1.6rem;
    line-height: 1.55rem;
    font-size: 0.7rem;
    border-radius: 1rem;
  }
  .section-so-icon {
    margin: 0 0 1.5rem 0;
    text-align: center;
  }
  .section-so-icon span {
    display: inline-block;
    width: 4rem;
  }

  .section-so-icon2 {
    margin: 0 0 0.75rem 0;
  }
  .section-so-icon2 span {
    margin: 0 -0.5rem 0 0;
  }

  .article-bread {
    padding: 0 0.5rem;
    margin: 1.5rem 0 0 0;
    line-height: 1.2rem;
    font-size: 0.75rem;
  }
  .bread_icon {
    width: 0.75rem;
    height: 0.75rem;
  }
  .article-bread2 {
    padding: 0 0.5rem;
  }
}