body {
  margin: 0;
  padding: 0;
  user-select: none;
}

a {
  text-decoration: none;
  color: black;
}

.header {
  padding: 20px 0;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03), 0 1px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px 0 rgba(0, 0, 0, 0.02);
}

@media screen and (max-width: 500px) {
  .header {
    display: none;
  }
}

.nav-left {
  display: inline-block;
  position: relative;
  left: 50px;
}

.nav-right {
  display: inline-block;
  float: right;
  position: relative;
  right: 50px;
}

.nav-item {
  display: inline-block;
  font-weight: bold;
  margin: 0 10px;
}

.nav-item:hover {
  cursor: pointer;
}

.nav-item:hover a {
  color: #7389d8;
}

.content {
  padding: 0 20px;
}

.banner {
  margin-top: 20px;
  text-align: center;
  font-weight: bold;
  width: 100%;
}

.banner-desc {
  width: 400px;
  display: inline-block;
  vertical-align: middle;
}

.banner-title {
  font-size: 70px;
}

.banner-sub-title {
  font-size: 25px;
}

.banner-text {
  font-size: 25px;
}

.banner-image {
  display: inline-block;
  vertical-align: middle;
  width: calc(100% - 600px);
}

.service-image {
  width: 100%;
  max-width: 400px;
}

.service-block {
  text-align: center;
}

.service-title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 20px;
  word-break: break-all;
}

.service-desc {
  font-size: 20px;
}

.contact-block {
  margin-top: 50px;
}

.contact-image {
  width: 200px;
}

.footer {
  line-height: 20px;
  text-align: right;
  font-size: 12px;
  padding: 10px 20px;
  margin-top: 50px;
  box-shadow: 0 1px 6px 2px rgba(0, 0, 0, 0.08);
}

@media screen and (max-width: 1000px) {
  .banner-desc {
    margin-top: 30px;
    width: 100%;
  }

  .banner-image {
    width: 100%;
    margin-top: 30px;
  }
}

@media screen and (max-width: 200px) {
  .contact-image {
    width: 100%;
  }
}