@charset "UTF-8";
html {
  scroll-behavior: smooth;
}

.about-kv {
  width: 100%;
  height: auto;
  overflow: hidden;
}
.about-kv img {
  width: 100%;
  height: auto;
}

.brand-intro {
  width: 100%;
  height: auto;
  overflow: hidden;
  padding: 72px 0 54px;
}
.brand-intro .container-wrapper {
  width: 720px;
  margin: 0 auto;
  text-align: center;
}
.brand-intro .container-wrapper .img-slogen {
  width: 240px;
  margin: 0 auto;
}
.brand-intro .container-wrapper .img-slogen img {
  width: 100%;
  margin: 0 auto;
}
.brand-intro .container-wrapper .intro-text {
  margin: 44px 0 60px;
}

@media screen and (max-width: 640px) {
  .about-kv {
    width: 100%;
    height: 560px;
    position: relative;
  }
  .about-kv img {
    width: auto;
    height: 560px;
    position: absolute;
    left: -160%;
  }
  .brand-intro {
    height: auto;
    padding-top: 48px;
  }
  .brand-intro .container-wrapper {
    width: calc(100% - 48px);
    margin: 0 auto;
    text-align: center;
  }
}
/****** 发展历程 ********/
.brand-develop {
  width: 100%;
  height: auto;
  padding-top: 90px;
  background: #FBFBFB;
}
.brand-develop .container-wrapper {
  width: 800px;
  margin: 0 auto;
}
.brand-develop .container-wrapper .mod-title {
  text-align: center;
}

.timeline-wrapper {
  width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 100px 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  left: 329px;
  width: 2px;
  background: #DCDCDE;
  z-index: 1;
}

.timeline-line-inner {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  background: #2ecc71;
  height: 0;
  transition: height 0.2s linear;
}

.timeline-container {
  position: relative;
  z-index: 1;
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 80px;
  position: relative;
  justify-content: space-between;
  transition: opacity 0.4s ease;
}

.time {
  width: 220px;
  text-align: right;
  font-size: 40px;
  font-weight: 400;
  flex-shrink: 0;
}

.line {
  position: relative;
  width: 2px;
  background: #ccc;
  height: 100%;
  margin-right: 20px;
  flex-shrink: 0;
}

.line::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 2px;
  height: 100%;
  background: #ccc;
  z-index: 1;
}

.line.active::before {
  background: #2ecc71;
  /* 绿色 */
}

.point {
  width: 8px;
  height: 8px;
  background: #DCDCDE;
  border: 7px solid #ffffff;
  border-radius: 50%;
  position: relative;
  z-index: 2;
}

.timeline-item.active .point {
  background: #2ecc71;
}

.desc {
  width: 340px;
  text-align: left;
  font-size: 15px;
  line-height: 22px;
  color: var(--black-2);
  padding-right: 20px;
  font-weight: 500;
}

.item-title .point {
  width: 12px;
  height: 12px;
}
.item-title .title {
  width: 340px;
  text-align: left;
  font-size: 24px;
  font-weight: 500;
  padding-right: 20px;
}

@media screen and (max-width: 640px) {
  .brand-develop {
    width: 100%;
    height: auto;
    padding-top: 90px;
  }
  .brand-develop .container-wrapper {
    width: 100%;
    margin: 0 auto;
  }
  .brand-develop .container-wrapper .mod-title {
    text-align: center;
  }
  .timeline-wrapper {
    width: 100%;
  }
  .timeline-line {
    left: 130px;
  }
  .time {
    width: 120px;
    font-size: 32px;
  }
  .desc {
    width: 70%;
    text-align: left;
    font-size: 15px;
    line-height: 22px;
    color: var(--black-2);
    padding-right: 20px;
    font-weight: 500;
  }
  .point {
    flex-shrink: 0;
  }
  .item-title .point {
    width: 12px;
    height: 12px;
    margin-left: -2px;
  }
  .item-title .title {
    width: 70%;
    text-align: left;
  }
}
/****** 技术护城河 *********/
.technology {
  width: 100%;
  height: auto;
  overflow: hidden;
  background: #001015;
  padding-top: 134px;
  color: #ffffff;
}
.technology .container-wrapper {
  width: 1080px;
  margin: 0 auto;
  color: #ffffff;
}
.technology .container-wrapper .mod-title {
  width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.technology .container-wrapper .mod-title h3 {
  margin-bottom: 36px;
}
.technology .container-wrapper .img-tech {
  width: 100%;
}
.technology .container-wrapper .img-tech img {
  width: 100%;
  height: auto;
}
.technology .container-wrapper .tech-feature {
  width: 100%;
  padding: 96px 0 106px;
}
.technology .container-wrapper .tech-feature ul {
  display: flex;
  flex-wrap: wrap;
  row-gap: 98px;
}
.technology .container-wrapper .tech-feature li {
  width: 33.3333333333%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.technology .container-wrapper .tech-feature li img {
  margin: 0 auto;
}
.technology .container-wrapper .tech-feature li .title {
  font-size: 20px;
  line-height: 1em;
  font-weight: 600;
  margin: 4px 0 20px;
}
.technology .container-wrapper .tech-feature li .text {
  width: 224px;
  font-size: 14px;
  line-height: 1.6em;
  font-weight: 300;
}
.technology .container-wrapper .tech-feature li .text.en {
  width: 80%;
}

@media screen and (max-width: 640px) {
  .technology .container-wrapper {
    width: 100%;
  }
  .technology .container-wrapper .mod-title {
    width: calc(100% - 48px);
    padding: 0 24px;
    margin: 0 auto 56px;
    text-align: center;
  }
  .technology .container-wrapper .mod-title h3 {
    margin-bottom: 36px;
  }
  .technology .container-wrapper .tech-feature {
    width: 100%;
    padding: 80px 0 96px;
  }
  .technology .container-wrapper .tech-feature ul {
    row-gap: 32px;
  }
  .technology .container-wrapper .tech-feature li {
    width: calc(100% - 64px);
    padding: 0 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .technology .container-wrapper .tech-feature li .text {
    width: 100%;
  }
}
/***** 国际认证 *****/
.certificate {
  width: 100%;
  padding: 136px 0 88px;
  background-color: #f8f8f8;
}
.certificate .container-wrapper {
  width: 750px;
  margin: 0 auto;
}
.certificate .container-wrapper .mod-title {
  text-align: center;
  margin-bottom: 84px;
}
.certificate .container-wrapper .certificate-list ul {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}
.certificate .container-wrapper .certificate-list li {
  width: 240px;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 46px 0 36px;
  box-sizing: border-box;
}
.certificate .container-wrapper .certificate-list li img {
  width: 96px;
  height: 96px;
  margin-bottom: 52px;
}
.certificate .container-wrapper .certificate-list li .intro {
  width: 180px;
  font-size: 16px;
  line-height: 1.6em;
  text-align: center;
}
.certificate .container-wrapper .certificate-tip {
  width: 100%;
  font-size: 12px;
  line-height: 16px;
  color: var(--black-2);
  margin-top: 72px;
  text-align: center;
}

@media screen and (max-width: 640px) {
  .certificate .container-wrapper {
    width: 100%;
  }
  .certificate .container-wrapper .certificate-list {
    width: calc(100% - 48px);
    padding: 0 24px;
  }
  .certificate .container-wrapper .certificate-list ul {
    gap: 24px;
  }
  .certificate .container-wrapper .certificate-list li {
    width: calc((100% - 24px) / 2);
  }
  .certificate .container-wrapper .certificate-list li img {
    width: 96px;
    height: 96px;
    margin-bottom: 24px;
  }
}/*# sourceMappingURL=page-about.css.map */