@charset "UTF-8";

/** 媒体查询 */

/** 布局 */

.introduction {
  padding: 6.25rem 0;
}

.introduction .t1 {
  font-weight: bold;
  font-size: 3.75rem;
  color: #333333;
}

.introduction .t2 {
  font-weight: bold;
  font-size: 1.875rem;
  color: #333333;
  margin-top: 1.875rem;
}

.introduction .t3 {
  font-size: 1.25rem;
  color: #666666;
  margin-top: 1.875rem;
  max-width: 87.5rem;
}

.introduction .img {
  margin-top: 3.75rem;
}

@media (max-width: 800px) {
  .introduction {
    padding: 3.125rem 0;
  }

  .introduction .t1 {
    font-size: 1.5rem;
  }

  .introduction .t2 {
    font-size: 1rem;
    margin-top: 0.9375rem;
  }

  .introduction .t3 {
    font-size: 0.875rem;
    margin-top: 0.9375rem;
  }

  .introduction .img {
    margin-top: 1.875rem;
  }
}

.service .t {
  font-weight: bold;
  font-size: 3.125rem;
  color: #333333;
  margin-bottom: 2.3125rem;
}

.service .br {
  background: #333333;
  height: 1px;
}

.service .nav {
  gap: 3.75rem;
  font-size: 1.5rem;
  color: #333333;
  transform: translateY(-1px);
}

.service .nav .item {
  border-top: 0.375rem solid rgba(230, 0, 13, 0);
  transition: all 0.3s;
  cursor: pointer;
  padding-top: 1.5625rem;
}

.service .nav .item.active,
.service .nav .item:hover {
  border-top: 0.375rem solid #E6000D;
}

.service .list {
  padding-bottom: 6.25rem;
}

.service .list .list-box {
  width: 100%;
  transition: all 0.3s;
  transform: translateX(0);
  gap: 6%;
  margin-top: 3.75rem;
}

.service .list .item {
  display: flex;
  flex-direction: column;
  gap: 1.875rem;
  width: 47%;
  flex-shrink: 0;
}

.service .list .img {
  width: 100%;
}

.service .list .t1 {
  font-weight: bold;
  font-size: 2.5rem;
  color: #333333;
}

.service .list .t2 {
  font-size: 1.125rem;
  color: #666666;
  margin-top: 1.875rem;
}

@media (max-width: 800px) {
  .service .t {
    font-size: 1.375rem;
    margin-bottom: 1.125rem;
  }

  .service .nav {
    gap: 1.875rem;
    font-size: 1rem;
  }

  .service .nav .item {
    border-top: 0.1875rem solid rgba(230, 0, 13, 0);
    transition: all 0.3s;
    cursor: pointer;
    padding-top: 0.75rem;
  }

  .service .nav .item.active,
  .service .nav .item:hover {
    border-top: 0.1875rem solid #E6000D;
  }

  .service .list {
    padding-bottom: 3.125rem;
  }

  .service .list .list-box {
    gap: 0;
    margin-top: 1.875rem;
  }

  .service .list .item {
    width: 100%;
  }

  .service .list .img,
  .service .list .text {
    width: 100%;
  }

  .service .list .t1 {
    font-size: 1.125rem;
    margin-top: 0.625rem;
  }

  .service .list .t2 {
    font-size: 0.75rem;
    margin-top: 0.4375rem;
  }
}

.description {
  /*padding: 6.25rem 0;*/
  padding: 4rem 0 0;
  background-image: url("../assets/about/bg.png");
  background-size: cover;
}

.description .description-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.description .t1 {
   font-weight: bold;
   font-size: 2.125rem;
   color: #FFFFFF;
   margin-bottom: 3rem;
}

.description .t2 {
  color: #FFFFFF;
  max-width: 37.5rem;
  font-size: 1rem;
}

.description .list {
  font-size: 1rem;
  color: #FFFFFF;
  gap: 1rem;
}

.description .list p,
.description .list span {
  text-wrap: wrap !important;
}

.description .list:not(.active) {
  opacity: 0;
}

.description .list.active {
  animation: myFadeInUp 0.6s;
}

.description .btns {
  gap: 1.25rem;
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 3rem;
}

.description .btns .item {
  padding: .8rem 1.2rem;
  border: 0.0625rem solid #FFFFFF;
  transition: all 0.3s;
  cursor: pointer;
}

.description .btns .item.active,
.description .btns .item:hover {
  background: #E6000D;
  border: 0.0625rem solid #E6000D;
}

@media (max-width: 800px) {
  .description {
    padding: 3.125rem 0;
  }

  .description .description-box {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.875rem;
  }

  .description .t1 {
    font-size: 1.5rem;
    margin-bottom: 1.875rem;
  }

  .description .t2 {
    font-size: 1rem;
  }

  .description .list-box {
    width: 100%;
  }

  .description .list {
    font-size: 0.875rem;
    gap: 0.625rem;
  }

  .description .btns {
    gap: 0.625rem;
    font-size: 0.875rem;
  }

  .description .btns .item {
    padding: 0.625rem 1.125rem;
  }
}

@media (max-width: 500px) {
  .description .btns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

.certificate {
  padding: 6.25rem 0;
  background: #F7F7F7;
}

.certificate .t {
  font-weight: bold;
  font-size: 3.125rem;
  color: #333333;
  margin-bottom: 3.75rem;
}

.certificate .item p {
  text-align: center;
  font-size: 1.25rem;
  color: #666666;
  margin-top: 1.25rem;
}

@media (max-width: 800px) {
  .certificate {
    padding: 3.125rem 0;
  }

  .certificate .t {
    font-size: 1.5rem;
    margin-bottom: 1.875rem;
  }

  .certificate .item p {
    font-size: 0.875rem;
    margin-top: 0.625rem;
  }
}