body {
  background: #F4F4F4;
}
.nei_banner_box {
  width: 100%;
  height: calc(40px + 10rem);
}
.nei_banner_box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about_nav {
  background: #EDEFEE;
  display: flex;
  justify-content: center;
}
.about_nav .about_nav_item {
  width: calc(40px + 10rem);
  height: calc(10px + 3rem);
  background: #EDEFEE;
}
.about_nav .about_nav_item a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: DM_Sans-regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #333333;
}
.about_nav .about_nav_item_act {
  background-color: #009944;
}
.about_nav .about_nav_item_act a {
  color: #ffffff;
}
.about_main_box {
  background: #F4F4F4;
}
.about_main_box .company_intro {
  padding-top: calc(6px + 4rem);
  padding-bottom: calc(20px + 5rem);
  max-width: 1600px;
  width: 85%;
  margin: auto;
}
.about_main_box .company_intro .about_company_name {
  width: calc(125px + 40rem);
  margin: auto;
  font-family: DM_Sans-bold;
  font-weight: bold;
  font-size: calc(8px + 2rem);
  color: #009944;
  line-height: calc(10px + 3rem);
  letter-spacing: calc(0px + 0.1rem);
  text-align: center;
}
.about_main_box .company_intro .about_company_video {
  width: calc(112px + 50rem);
  height: calc(62px + 20rem);
  border-radius: calc(5px + 0.25rem);
  margin: auto;
  margin-top: calc(10px + 1.5rem);
  position: relative;
}
.about_main_box .company_intro .about_company_video video{
      border-radius: calc(5px + 0.25rem);
}
.about_main_box .company_intro .about_company_video .video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(5px + 0.25rem);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  display: none;
}
.about_main_box .company_intro .about_company_video .play {
  width: calc(20px + 5rem);
  height: calc(20px + 5rem);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  cursor: pointer;
  z-index: 100;
  display: none;
}
.about_main_box .company_intro .about_company_text {
  margin-top: calc(20px + 2rem);
}
.about_main_box .company_intro .about_company_text p {
  font-family: DM_Sans-regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #666666;
  line-height: calc(10px + 1.5rem);
}
.about_main_box .company_intro .about_company_text p:nth-of-type(3) {
  margin-top: calc(2px + 0.25rem);
}
.about_main_box .about_why_title {
  font-family: DM_Sans-bold;
  font-weight: bold;
  font-size: calc(8px + 2rem);
  color: #333333;
  line-height: calc(10px + 3rem);
  letter-spacing: calc(0px + 0.1rem);
  text-align: center;
}
.about_main_box .about_why_box {
  width: 100%;
  margin-top: calc(20px + 3rem);
  padding-bottom: calc(98px + 5rem);
}
.about_main_box .about_why_box .about_why {
  max-width: 1800px;
  width: 90%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: calc(11px + 4rem);
}
.about_main_box .about_why_box .about_why .about_why_pic {
  width: 50%;
  height: calc(100px + 30rem);
  border-radius: 0 calc(5px + 0.25rem) calc(5px + 0.25rem) 0;
}
.about_main_box .about_why_box .about_why .about_why_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0 calc(5px + 0.25rem) calc(5px + 0.25rem) 0;
}
.about_main_box .about_why_box .about_why .about_why_text {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: calc(15px + 1.5rem);
}
.about_main_box .about_why_box .about_why .about_why_text .about_why_item .about_why_name {
  font-family: DM_Sans-bold;
  font-weight: bold;
  font-size: calc(4px + 1rem);
  color: #009944;
  line-height: calc(10px + 1.5rem);
  letter-spacing: 1px;
}
.about_main_box .about_why_box .about_why .about_why_text .about_why_item .about_why_intro p {
  font-family: DM_Sans-regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #333333;
  line-height: calc(10px + 1.5rem);
}
@media (max-width: 1100px) {
  .about_nav {
    flex-direction: column;
    justify-content: flex-start;
  }
  .about_nav .about_nav_item {
    width: 100%;
    padding: calc(10px + 2rem) 0;
  }
  .about_nav .about_nav_item a {
    font-size: calc(12px + 1rem);
  }
  .about_main_box .company_intro .about_company_text {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
  }
  .about_main_box .company_intro .about_company_text p {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }
  .about_main_box .about_why_title {
    font-size: calc(14px + 1rem);
  }
  .about_main_box .about_why_box .about_why {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: calc(10px + 1rem);
  }
  .about_main_box .about_why_box .about_why .about_why_pic {
    width: 99%;
  }
  .about_main_box .about_why_box .about_why .about_why_text .about_why_item .about_why_name {
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }
  .about_main_box .about_why_box .about_why .about_why_text .about_why_item .about_why_intro p {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
    margin-top: calc(10px + 1rem);
  }
  .about_main_box .about_why_box .about_why .about_why_text {
    width: 100%;
    padding-left: 7%;
  }
  .about_main_box .company_intro .about_company_video .video{
      display: block;
  }
    .about_main_box .company_intro .about_company_video .play{
        display:block;
    }
}