.tabs {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
  margin: 40px auto;
  padding: 0 100px;
  border-bottom: 1px solid #ddd;
}
.tabs a {
  padding: 20px 0;
  border-bottom: 1px solid #ddd;
  margin-bottom: -1px;
  font-size: 24px;
}
.tabs a.active {
  color: #0065b3;
  border-color: #0065b3;
}
.box1 .box-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box1 .item {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  text-align: center;
  line-height: 30px;
}
.box1 .item img {
  height: 55px;
  margin-bottom: 20px;
}
.box1 .item div {
  line-height: 40px;
  font-size: 20px;
}
.box1 .item p {
  color: #999999;
}
.box2 {
  padding-bottom: 0;
}
.box2 .item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box2 .item-bg {
  width: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  background-color: #efefef;
}
.box2 .item-bg.bg {
  background: url(../images/about/bg_02.jpg) no-repeat;
  background-size: cover;
}
.box2 .item-bg.bg .item-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-size: 24px;
  font-weight: bold;
  color: white;
}
.box2 .item-bg:nth-child(odd) {
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
.box2 .item-box {
  width: 700px;
  height: 370px;
  padding: 30px 80px;
}
.box2 .item-box p {
  width: 480px;
  height: 200px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  line-height: 35px;
  text-align: center;
}
.box2 .steps {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  position: relative;
  z-index: 1;
}
.box2 .steps::before {
  content: "";
  position: absolute;
  top: 37px;
  height: 1px;
  width: 100%;
  background-color: #999999;
  z-index: -1;
}
.box2 .steps-item {
  background-color: #ddd;
  color: #999;
  height: 75px;
  width: 75px;
  font-size: 36px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  border-radius: 50%;
  cursor: pointer;
}
.box2 .steps-item:hover {
  background-color: #0065b3;
  color: white;
}
.box3 {
  background-color: #e2e2e2;
}
.box3 .box-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box3 .txt {
  font-size: 18px;
  line-height: 35px;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.box3 .img {
  width: 500px;
  height: 500px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.serve {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 150px;
}
.serve-item {
  -webkit-box-shadow: 0 0 30px 4px rgba(0, 0, 0, 0.1);
          box-shadow: 0 0 30px 4px rgba(0, 0, 0, 0.1);
  padding: 70px;
  text-align: center;
  cursor: pointer;
}
.serve-item:hover {
  background: -webkit-gradient(linear, left top, left bottom, from(#afd1e9), to(#0065b3));
  background: -webkit-linear-gradient(top, #afd1e9, #0065b3);
  background: linear-gradient(to bottom, #afd1e9, #0065b3);
  color: white;
}
.serve-item:hover img {
  -webkit-filter: brightness(0) invert(100%);
          filter: brightness(0) invert(100%);
}
.serve-title {
  font-size: 36px;
  margin-bottom: 30px;
}
.serve-desc {
  line-height: 35px;
  font-size: 18px;
  margin-bottom: 60px;
}
.serve img {
  height: 150px;
}
@media screen and (max-width: 1200px) {
  .tabs {
    padding: 0 20px;
    margin: 0;
    margin-bottom: 20px;
    gap: 10px;
  }
  .tabs a {
    font-size: 14px;
    padding: 10px;
  }
  .box1 .box-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 30px;
  }
  .box1 .item {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    text-align: center;
    line-height: 20px;
  }
  .box1 .item img {
    height: 55px;
    margin-bottom: 20px;
  }
  .box1 .item div {
    line-height: 40px;
    font-size: 20px;
  }
  .box1 .item p {
    font-size: 14px;
    color: #999999;
  }
  .box2 .item-box {
    padding: 0;
  }
  .box2 .item-box p {
    width: 100%;
    height: 100%;
    font-size: 12px;
    line-height: 25px;
    padding: 10px;
  }
  .box3 .box-content {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .box3 .txt {
    padding: 20px;
    line-height: 25px;
    font-size: 16px;
  }
  .box3 .img {
    width: 100%;
    height: initial;
    padding: 30px 0;
  }
  .serve {
    grid-template-columns: repeat(1, 1fr);
    gap: 0;
  }
  .serve-item {
    -webkit-box-shadow: none;
            box-shadow: none;
    padding: 30px 20px;
  }
  .serve-desc {
    margin-bottom: 20px;
  }
}