html,
body {
  margin: 0;
  padding: 0;
}
.contact-us {
  max-width: 1400px;
  width: calc(100% - 20px);
  padding: 10px;
  margin: 0 auto;
}
.contact-us .banner {
  width: 100%;
  margin: 0 auto;
}
.contact-us .banner img {
  width: 100%;
  object-fit: cover;
}
.contact-us .headquarters {
  width: 100%;
  margin-bottom: 30px;
}
.contact-us .headquarters h2 {
  color: #4182e6;
  padding: 20px 0 10px;
}
.contact-us .headquarters .headquarters-box {
  width: 90%;
  font-size: 18px;
  padding: 20px 10px;
  color: #fff;
  background-image: linear-gradient(to right, rgba(65, 130, 230, 0.8), rgba(76, 170, 221, 0.7), rgba(124, 179, 209, 0.5), rgba(181, 229, 255, 0.3), rgba(181, 229, 255, 0));
}
.contact-us .headquarters .headquarters-box p {
  color: #333;
  width: 100%;
  word-break: break-all;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.contact-us .branch {
  padding: 0 10px 10px;
}
.contact-us .branch h3 {
  margin-bottom: 30px;
  font-weight: 800;
  font-size: 28px;
  color: #4182e6;
  text-shadow: 2px 2px 4px rgba(65, 130, 230, 0.8);
}
.contact-us .branch .content {
  width: 100%;
  overflow: hidden;
}
.contact-us .branch .content .item-box {
  margin: 10px 0;
}
.contact-us .branch .content .item-box .content-item {
  width: 60%;
  margin: 0 auto;
  padding: 10px 0 10px 10px;
}
.contact-us .branch .content .item-box .content-item h5 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}
.contact-us .branch .content .item-box .content-item .text-line {
  display: block;
  width: 48px;
  border: 2px solid #e7e7e7;
  margin: 5px 0;
}
.contact-us .branch .content .item-box .content-item .text-box {
  width: 100%;
  margin-top: 10px;
  font-size: 14px;
}
.contact-us .branch .content .item-box .content-item .text-box p {
  width: 100%;
  word-break: break-all;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.contact-us .branch .content .item-box .content-item:hover {
  animation: sizeChange 0.5s ease-in-out;
}
@keyframes sizeChange {
  0% {
    transform: translate(10px, 10px);
  }
  50% {
    transform: translate(-10px, -10px);
  }
  100% {
    transform: translate(0, 0);
  }
}