.serviceBox .Img img {
  transition: all 0.5s;
}

.titleBox .titleTw {
  padding-top: 51px;
}
.titleBox .titleTw::after {
  background: url(../images/icon/magnifier.png) no-repeat;
  width: 50px;
  height: 44px;
}

.classLink li.hidden {
  display: none;
}

.introductionBox {
  position: relative;
  overflow: hidden;
}
@media (min-width: 1201px) {
  .introductionBox::before {
    content: "";
    position: absolute;
    top: 0;
    left: calc(50% - 2px);
    width: 4px;
    height: 100%;
    background: url(../images/about/verticalLine.png) repeat-y;
  }
}
@media (min-width: 1201px) {
  .introductionBox .introductionItem:nth-child(even) .item {
    -ms-flex-direction: row-reverse;
        flex-direction: row-reverse;
  }
  .introductionBox .introductionItem:not(:last-child) {
    padding-bottom: 90px;
  }
  .introductionBox .introductionItem:last-child {
    padding-bottom: 12px;
  }
}
@media (max-width: 1200px) {
  .introductionBox .introductionItem:first-child .item {
    padding-top: 0;
  }
  .introductionBox .introductionItem:last-child .dots {
    display: none;
  }
  .introductionBox .introductionItem:not(:last-child) .item::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: url(../images/about/horizontalLine.png) repeat-x;
  }
}
.introductionBox .item {
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -ms-flex-align: center;
      align-items: center;
  margin: 0 -115px;
}
@media (max-width: 1440px) {
  .introductionBox .item {
    margin: 0 -50px;
  }
}
@media (max-width: 1200px) {
  .introductionBox .item {
    margin: 0;
    padding: 55px 0;
  }
}
.introductionBox .Img {
  width: 50%;
  padding: 0 115px;
}
.introductionBox .Img img {
  border: 2px solid #000;
  border-radius: 10px;
  width: 100%;
  display: block;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
@media (max-width: 1440px) {
  .introductionBox .Img {
    padding: 0 50px;
  }
}
@media (max-width: 1200px) {
  .introductionBox .Img {
    max-width: 600px;
    width: 100%;
    padding: 0;
  }
}
.introductionBox .Txt {
  width: 50%;
  padding-bottom: 11px;
  padding: 0 115px 11px;
}
@media (max-width: 1440px) {
  .introductionBox .Txt {
    padding: 0 50px 11px;
  }
}
@media (max-width: 1200px) {
  .introductionBox .Txt {
    width: 100%;
    padding: 20px 0 0;
  }
}
.introductionBox .Txt .title {
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  color: #000;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 2px;
  line-height: 1.4;
}
.introductionBox .Txt .title span {
  position: relative;
}
.introductionBox .Txt .title span::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 10px;
  background-color: #ffec00;
  z-index: -1;
}
.introductionBox .Txt .text {
  color: #505050;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.9px;
  line-height: 2.1;
  margin-top: 28px;
}
.introductionBox .dots {
  position: absolute;
  top: calc(50% - 6px);
  left: calc(50% - 22px);
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-pack: justify;
      justify-content: space-between;
  width: 44px;
  height: 12px;
  z-index: 1;
}
.introductionBox .dots .arrowLeft {
  border-style: solid;
  border-width: 4px 6.9px 4px 0;
  border-color: transparent #000 transparent transparent;
}
.introductionBox .dots .circle {
  width: 12px;
  height: 12px;
  border: 2px solid #000;
  border-radius: 50%;
  background-color: #fff;
}
.introductionBox .dots .arrowRight {
  border-style: solid;
  border-width: 4px 0 4px 6.9px;
  border-color: transparent transparent transparent #000;
}
@media (max-width: 1200px) {
  .introductionBox .dots {
    top: initial;
    bottom: -6px;
    -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
  }
}

.serviceBox {
  overflow: hidden;
  padding-top: 10px;
  margin-top: 130px;
}
@media (max-width: 1200px) {
  .serviceBox {
    margin-top: 45px;
  }
}
.serviceBox h2.title {
  text-align: center;
}
.serviceBox h2.title span {
  position: relative;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-pack: center;
      justify-content: center;
  width: 58px;
  height: 58px;
  color: #fff;
  font-size: 35px;
  font-weight: 500;
  margin: 0 -8.5px;
}
.serviceBox h2.title span::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #000;
  z-index: -1;
}
@media (max-width: 768px) {
  .serviceBox h2.title span {
    width: 50px;
    height: 50px;
    font-size: 30px;
    margin: 0 -9px;
  }
}
.serviceBox .serviceList {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin: 56px -28.5px 0;
}
@media (max-width: 1440px) {
  .serviceBox .serviceList {
    margin: 56px -15px 0;
  }
}
.serviceBox .serviceItem {
  width: 33.3333333333%;
  padding: 0 28.5px 57px;
}
@media (max-width: 1440px) {
  .serviceBox .serviceItem {
    padding: 0 15px 30px;
  }
}
@media (max-width: 768px) {
  .serviceBox .serviceItem {
    width: 50%;
  }
}
@media (max-width: 480px) {
  .serviceBox .serviceItem {
    width: 100%;
  }
}
.serviceBox .item {
  position: relative;
}
.serviceBox .link {
  width: 100%;
  height: 100%;
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}
@media (min-width: 1201px) {
  .serviceBox .link:hover + .Img img {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
}
.serviceBox .Img {
  border: 2px solid #000;
  border-radius: 10px;
  overflow: hidden;
}
.serviceBox .Img img {
  width: 100%;
  display: block;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}
.serviceBox .Txt {
  position: absolute;
  bottom: 8%;
  left: 0;
  width: 100%;
  padding: 0 44px;
}
@media (max-width: 1440px) {
  .serviceBox .Txt {
    padding: 0 25px;
  }
}