.header {
  color: rgba(51, 51, 51, 1);
}

.header .logo {
  background: url("../../img/support/logo.png");
  background-size: 100% 100%;
  width: 3.75rem;
  height: 0.75rem;
}

.header .right .and {
  background-color: rgba(51, 51, 51, 1);
}

.header .nav li a {
  color: rgba(51, 51, 51, 1);
}

.container {
  position: relative;
}

.container .content {
  margin: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container .content .title {
  width: 100%;
  border-bottom: 1px solid rgba(196, 196, 196, 1);
  text-align: center;
  padding: 0 0 1.25rem 0;
  margin: 0 0 .5rem 0;
}

.container .content .title span {
  font-size: 1rem;
  font-weight: 700;
}

.container .content .detail {
  margin-bottom: 1.25rem;
}

.container .content .detail p {
  font-size: .4rem;
  font-weight: 400;
  color: rgba(102, 102, 102, 1);
  line-height: .85rem;
  margin-bottom: .5rem;
}

.container .content .detail .img_desc {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: .5rem;
  font-weight: 400;
}

.container .content .detail .img_desc span {
  margin: .5rem 0 .75rem 0;
}

.container .content .detail .img_desc img {
  width: 24.5rem;
}

.container .content .detail .img_desc video {
    width: 24.5rem;
}

.container .content .back_button {
  width: 4.3rem;
  height: 1.25rem;
  border-radius: .625rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .25rem;
  color: #000;
  background: white;
  font-size: .4rem;
  font-weight: 500;
  border: 1px solid #000;
  position: relative;
  text-decoration: none;
}


.container .content .back_button img:last-child {
  display: none;
  position: absolute;
  right: 0.3rem;
}

.container .content .back_button img:first-child {
  position: absolute;
  right: 0.3rem;
}

.container .content .back_button:hover {
  cursor: pointer;
  background: linear-gradient(to right, rgba(0, 89, 255, 1), rgba(0, 56, 177, 1));
  color: white;
  border: 1px solid transparent;
}

.container .content .back_button:hover img:first-child {
  display: none;
}

.container .content .back_button:hover img:last-child {
  display: block;
}