:root {
  --color-linear: linear-gradient(60deg, #0060fa, #65bffa);
}

* {
  -webkit-user-select: none;
  user-select: none;
}

.slide-up {
  opacity: 0;
  transform: translateY(80px);
  animation: slideUp 1s ease forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(80px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-banner {
  height: 500px;
  width: 100%;
  padding-top: 1px;
  background-position: center;
  background-size: cover;
}

.about-banner .text {
  font-size: 50px;
  color: #fff;
  margin-top: 40vh;
  font-weight: bold;
}

.about-fenglin {
  display: flex;
  padding-top: 80px;
}

.about-fenglin .title {
  flex: 1;
  font-size: 40px;
  font-weight: bold;
  letter-spacing: 3px;
}

.about-fenglin .content {
  flex: 4;
  font-size: 20px;
  color: #666;
  text-indent: 2em;
  text-align: justify;
  margin-top: 10px;
}

.about-technology {
  padding-top: 80px;
  margin-bottom: 40px;
  opacity: 0;
}

.about-technology .list {
  display: flex;
  column-gap: 50px;
  justify-content: center;
}

.about-technology .list .item {
  flex: 1;
  padding: 30px;
  position: relative;
  transition: all 0.3s ease;
  display: inline-block;
  overflow: hidden;
}

.about-technology .list .item .title {
  display: flex;
  justify-content: center;
  background: var(--color-linear);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-technology .list .item .title .layui-icon {
  font-size: 30px;
  margin-right: 10px;
  line-height: 74px;
}

.about-technology .list .item .title .n {
  font-size: 50px;
  font-weight: bold;
}

.about-technology .list .item .title .t {
  font-size: 25px;
  padding-top: 10px;
}

.about-technology .list .item .line {
  height: 4px;
  width: 50%;
  margin: 0 auto;
  border-radius: 2.5px;
  background-color: #000;
}

.about-technology .list .item .text {
  font-size: 20px;
  text-align: center;
  font-weight: bold;
  margin-top: 20px;
  background: var(--color-linear);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-technology .list .item .content {
  color: #000;
  font-size: 15px;
  text-align: center;
}

.row-head {
  display: flex;
}

.row-head .title {
  flex: 1;
  font-size: 40px;
  font-weight: bold;
  letter-spacing: 3px;
}

.row-head .text {
  flex: 4;
  font-size: 20px;
  color: #666;
  line-height: 64px;
}

.about-hope {
  padding-top: 40px;
  background-image: url("../../images/about/bg2.jpg");
  padding-bottom: 60px;
}

.about-hope .list {
  display: flex;
  column-gap: 50px;
  margin-top: 40px;
}

.about-hope .list .item {
  padding: 40px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  transition: all 0.5s ease;
}

.about-hope .list .item-title {
  font-size: 28px;
  font-weight: bold;
  letter-spacing: 2px;
}

.about-hope .list .item-content {
  font-size: 18px;
  color: #666;
}

.about-hope .list .item:hover {
  box-shadow: 0px 0px 20px #bbbbbb;
}

.about-customer {
  padding-top: 80px;
  padding-bottom: 80px;
  display: flex;
  gap: 50px;
}

.about-customer .customer-img {
  flex: 1;
  overflow: hidden;
  border-radius: 20px;
  height: 500px;
}

.about-customer .customer-img img {
  object-fit: cover;
  transition: all 0.5s;
}

.about-customer .customer-img:hover img {
  transform: scale(1.1);
}

.about-customer .content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.about-customer .content .row-head-2 .title {
  font-size: 40px;
  font-weight: bold;
  letter-spacing: 3px;
}

.about-customer .content .row-head-2 .text {
  font-size: 20px;
  color: #666;
}

.about-customer .content .list {
  margin-top: 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-customer .content .list .item {
  overflow: hidden;
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
}

.about-customer .content .list .item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-customer .content .list .item-title {
  font-size: 28px;
  font-weight: bold;
  letter-spacing: 2px;
  display: flex;
  justify-content: space-between;
}

.about-customer .content .list .item-title .layui-icon-triangle-r {
  display: inline;
}

.about-customer .content .list .item-title .layui-icon-triangle-d {
  display: none;
}

.about-customer .content .list .item-content {
  height: 0;
  overflow: hidden;
  font-size: 18px;
  transition: all 0.5s ease;
  padding: 0 20px;
  display: flex;
  align-items: center;
}

.about-customer .content .list .item:hover .item-title {
  color: #026CDC;
}

.about-customer .content .list .item:hover .item-content {
  height: 80px;
}

.about-customer .content .list .item:hover .layui-icon-triangle-r {
  display: none;
}

.about-customer .content .list .item:hover .layui-icon-triangle-d {
  display: inline;
}

@media screen and (max-width: 1200px) {
  .about-banner {
    height: 200px;
  }
  .about-banner .text {
    font-size: 30px;
    margin-top: unset;
    text-align: center;
    line-height: 200px;
  }
  .about-banner .row-center {
    width: 100%;
  }
  .about-fenglin {
    width: 100%;
  }
  .about-technology {
    display: none;
  }
  .about-technology,
  .about-hope,
  .about-customer,
  .about-fenglin {
    width: 100%;
    opacity: 1 !important;
    flex-direction: column;
    padding: 20px;
  }
  .about-technology .title,
  .about-hope .title,
  .about-customer .title,
  .about-fenglin .title {
    font-size: 25px;
  }
  .about-technology .row-head,
  .about-hope .row-head,
  .about-customer .row-head,
  .about-fenglin .row-head {
    flex-direction: column;
  }
  .about-technology .row-head .text,
  .about-hope .row-head .text,
  .about-customer .row-head .text,
  .about-fenglin .row-head .text {
    line-height: unset;
  }
  .about-technology .row-head-2,
  .about-hope .row-head-2,
  .about-customer .row-head-2,
  .about-fenglin .row-head-2 {
    flex-direction: column;
  }
  .about-technology .row-head-2 .title,
  .about-hope .row-head-2 .title,
  .about-customer .row-head-2 .title,
  .about-fenglin .row-head-2 .title {
    font-size: 25px !important;
  }
  .about-technology .row-head-2 .text,
  .about-hope .row-head-2 .text,
  .about-customer .row-head-2 .text,
  .about-fenglin .row-head-2 .text {
    line-height: unset;
  }
  .about-hope .container {
    width: 100%;
  }
  .about-hope .container .list {
    flex-direction: column;
    row-gap: 20px;
    margin-top: 20px;
  }
  .about-hope .container .list .item {
    padding: 20px;
  }
  .about-hope .container .list .item .item-title {
    font-size: 20px;
  }
}