.top-img {
  background-position: 55% 55%;
}

.service-inner {
  padding: 0 50px;
  max-width: 1400px;
  margin: 80px auto;
  position: relative;
}
.service-grid {
  background: linear-gradient(#f6f6f6 1px, rgba(0, 0, 0, 0) 0%), linear-gradient(90deg, #f6f6f6 1px, rgba(0, 0, 0, 0) 0%);
  background-size: 100% 10px, 10px;
  width: 100%;
  height: calc(100% + 200px);
  position: absolute;
  top: -100px;
  left: 50%;
  z-index: -1;
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}
.service-grid:before {
  content: "";
  width: 100%;
  height: 100%;
  border-top: 1px solid #FFF;
  border-left: 1px solid #FFF;
  position: absolute;
  top: 0;
  left: 0;
}
.service-wrap {
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-flow: row-reverse;
  flex-flow: row-reverse;
  -webkit-justify-content: center;
  justify-content: center;
}
.service-title {
  margin-top: -130px;
}
.service-title .en span:last-child {
  margin-top: 50px;
}
.service-info {
  width: 80%;
  max-width: 1000px;
  margin-right: 8%;
}
.service-list {
  position: relative;
}
.service-line {
  width: 1px;
  height: 100%;
  background: #ddd;
  position: absolute;
  top: 0;
  left: 20px;
  -moz-transform-origin: top center;
  -ms-transform-origin: top center;
  -webkit-transform-origin: top center;
  transform-origin: top center;
}
.service-item {
  position: relative;
  padding-left: 115px;
  margin: 60px 0;
}
.service-item:nth-child(odd) .service-content {
  background: #FFF;
  border: 1px solid #f2f2f2;
}
.service-icon {
  width: 40px;
  padding: 15px 0;
  background: #FFF;
  position: absolute;
  top: 50%;
  left: 0;
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
}
.service-icon img {
  width: 100%;
}
.service-content {
  padding: 60px;
  background: #f2f2f2;
  position: relative;
}
.service-num {
  font-size: 36px;
  line-height: 36px;
  color: #ccc;
  position: absolute;
  bottom: -12px;
  right: -14px;
  font-family: "PT Serif", Arial, Helvetica;
  letter-spacing: 0.12rem;
}
.service-subtitle {
  color: #000;
  letter-spacing: 0.2rem;
  font-weight: bold;
}
.service-text {
  font-size: 0.875rem;
  padding-top: 15px;
}
.service ul {
  font-size: 0.875rem;
  padding-top: 15px;
}
.service li {
  position: relative;
  padding-left: 15px;
}
.service li:before {
  content: "";
  width: 3px;
  height: 3px;
  background: #999;
  border-radius: 50%;
  position: absolute;
  left: 3px;
  top: 10px;
}

@media screen and (max-width: 1100px) {
  .service-inner {
    margin: 100px auto;
  }
  .service-wrap {
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
  }
  .service-info {
    width: 100%;
    margin-right: unset;
    padding-top: 20px;
  }
  .service-item {
    padding-left: 95px;
  }
}
@media screen and (max-width: 640px) {
  .service-inner {
    padding: 0 30px;
    margin: 120px auto;
  }
  .service-title {
    margin-top: -120px;
  }
  .service-title .en span:last-child {
    margin-top: unset;
    margin-left: 40px;
  }
  .service-info {
    padding-top: unset;
  }
  .service-list {
    margin-top: -40px;
  }
  .service-line {
    left: 15px;
  }
  .service-item {
    margin: 40px 0;
    padding-left: 55px;
  }
  .service-icon {
    width: 30px;
    padding: 12px 0;
  }
  .service-content {
    padding: 30px;
  }
  .service-num {
    font-size: 24px;
    line-height: 24px;
    bottom: -10px;
    right: -10px;
  }
}