@import url('https://fonts.googleapis.com/css?family=Karla&display=swap" rel="stylesheet');
@import url('https://fonts.googleapis.com/css?family=Marcellus&display=swap" rel="stylesheet');
.scrolldown {
  position: fixed;
  bottom: 30px;
  left: 50%;
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}

.big {
  margin-top: 100px;
}
.big-content {
  text-align: center;
  padding: 5vw 0 0;
}
.big .pagetitle {
  margin-bottom: 10px;
}
.big .pagestitle {
  color: #999;
  overflow: hidden;
}
.big .pagestitle span {
  display: inline-block;
}

.service .inner {
  margin: 0 200px;
}
.service-list {
  display: flex;
  align-items: center;
  position: relative;
  margin: 100px 0 80px;
}
.service-list:nth-child(odd) .service-pic {
  margin-right: 12%;
  margin-left: 8%;
}
.service-list:nth-child(even) {
  flex-direction: row-reverse;
}
.service-list:nth-child(even) .service-pic {
  margin-left: 12%;
  margin-right: 8%;
}
.service-pic {
  width: 30%;
}
.service-pic img {
  width: 100%;
}
.service-number {
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 50%;
  height: 100%;
  color: #c7c08e;
  font-size: 12px;
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}
.service-number span {
  display: inline-block;
}
.service-number:after {
  content: "";
  width: 1px;
  height: calc(100% - 30px);
  background-color: #292929;
  display: block;
  margin: 12px auto 0;
}
.service-content {
  width: 100%;
  max-width: 300px;
  margin: auto;
}
.service-etitle {
  color: #999;
}
.service-title {
  color: #c7c08e;
  font-size: 16px;
  letter-spacing: 3px;
  margin: 20px 0 30px;
}
.service-text {
  list-style: disc;
  padding-left: 40px;
}
.service-text li {
  margin-bottom: 5px;
}

.big .pagestitle span {
  -moz-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  -webkit-transform: translateY(-30px);
  transform: translateY(-30px);
  -moz-transition: -moz-transform 0.8s;
  -o-transition: -o-transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  transition: transform 0.8s;
}
.big .pagetitle span {
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 0.8s;
  -o-transition: -o-transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  transition: transform 0.8s;
}
.big.show .pagestitle span {
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.big.show .pagetitle span {
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -moz-transition-delay: 0.3s;
  -o-transition-delay: 0.3s;
  -webkit-transition-delay: 0.3s;
  transition-delay: 0.3s;
}

.service-list .service-pic {
  opacity: 0;
  -moz-transform: scale(0);
  -ms-transform: scale(0);
  -webkit-transform: scale(0);
  transform: scale(0);
  -moz-transition: -moz-transform 0.8s ease-in-out, opacity 1s;
  -o-transition: -o-transform 0.8s ease-in-out, opacity 1s;
  -webkit-transition: -webkit-transform 0.8s ease-in-out, opacity 1s;
  transition: transform 0.8s ease-in-out, opacity 1s;
}
.service-list .service-number span {
  -moz-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  -webkit-transform: translateY(-30px);
  transform: translateY(-30px);
  -moz-transition: -moz-transform 0.8s;
  -o-transition: -o-transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  transition: transform 0.8s;
}
.service-list .service-number:after {
  -moz-transform: scaleY(0);
  -ms-transform: scaleY(0);
  -webkit-transform: scaleY(0);
  transform: scaleY(0);
  -moz-transform-origin: center top;
  -ms-transform-origin: center top;
  -webkit-transform-origin: center top;
  transform-origin: center top;
  -moz-transition: -moz-transform 0.8s;
  -o-transition: -o-transform 0.8s;
  -webkit-transition: -webkit-transform 0.8s;
  transition: transform 0.8s;
  -moz-transition-delay: 0.5s;
  -o-transition-delay: 0.5s;
  -webkit-transition-delay: 0.5s;
  transition-delay: 0.5s;
}
.service-list .mtop {
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 0.8s, opacity 1s;
  -o-transition: -o-transform 0.8s, opacity 1s;
  -webkit-transition: -webkit-transform 0.8s, opacity 1s;
  transition: transform 0.8s, opacity 1s;
  -moz-transition-delay: 0.8s;
  -o-transition-delay: 0.8s;
  -webkit-transition-delay: 0.8s;
  transition-delay: 0.8s;
}
.service-list.show .service-pic {
  opacity: 1;
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
  -moz-transition-delay: 0.3s;
  -o-transition-delay: 0.3s;
  -webkit-transition-delay: 0.3s;
  transition-delay: 0.3s;
}
.service-list.show .service-number span {
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.service-list.show .service-number:after {
  -moz-transform: scaleY(1);
  -ms-transform: scaleY(1);
  -webkit-transform: scaleY(1);
  transform: scaleY(1);
}
.service-list.show .mtop {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

@media screen and (max-width: 1600px) {
  .big {
    margin-top: 70px;
  }
  .big-content {
    padding-top: 8vh;
  }

  .service .inner {
    margin: 0 70px;
  }
}
@media screen and (max-width: 1100px) {
  .big-content {
    padding-top: 5vh;
  }

  .service .inner {
    margin: 0 30px;
  }
  .service-pic {
    width: 40%;
  }
  .service-etitle {
    font-size: 12px;
  }
  .service-title {
    font-size: 14px;
    margin: 5px 0 15px;
  }
  .service-list {
    margin: 50px 0 60px;
  }
  .service-list:nth-child(odd) .service-pic {
    margin-right: 6%;
    margin-left: 4%;
  }
  .service-list:nth-child(even) .service-pic {
    margin-left: 6%;
    margin-right: 4%;
  }
  .service-content {
    margin: auto;
  }
}
@media screen and (max-width: 800px) {
  .big {
    margin: 60px 20px 0;
  }

  .service {
    margin: 0 20px;
  }
  .service-list {
    display: block;
  }
  .service-list:nth-child(odd) .service-pic {
    margin: 0;
  }
  .service-list:nth-child(even) .service-pic {
    margin: 0;
  }
  .service-pic {
    width: 100%;
  }
  .service-content {
    position: relative;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 20px 0 80px;
    margin-top: 30px;
  }
  .service-number {
    left: 30px;
    top: 0;
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
}
@media screen and (max-width: 640px) {
  .big {
    margin-top: 50px;
  }
  .big-content {
    padding-top: 5vh;
  }

  .service .inner {
    margin: 0;
  }
  .service-list {
    margin-bottom: 80px;
  }
  .service-number {
    left: 20px;
  }
  .service-content {
    padding-left: 60px;
  }
  .service-text {
    padding-left: 25px;
  }
}
@media screen and (max-width: 460px) {
  .service-content {
    padding-left: 40px;
  }
  .service-number {
    left: 10px;
  }
}