.m_top_banner {
  height: 75vh;
  position: relative;
}

.m_top_txt {
  position: absolute;
  bottom: 10%;
  left: 10%;
  color: #fff;
  width: 80%;
  transition: all 0.3s ease-in-out;
  text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.8), 0 0 10px rgba(16, 124, 201, 0.5);
}

.m_top_txt h2 {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.m_top_txt p {
  font-size: 1rem;
  line-height: 1.5;
}

.m_case_main_con {
  padding: 2rem 1rem;
}

.m_case_main_con_tit {
  padding: 1rem 0;
}

.m_case_main_con_tit h2 {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: center;
  color: #333333;
}
.m_case_main_con_tit h2 span{
  font-size: 1rem;
  color: #666666;
}
.m_case_main_con_tit p {
  width: 2.5rem;
  height: 0.1rem;
  background-color: #107cc9;
  margin: 0 auto;
}

.m_case_list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.m_case_item {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1rem;
}

.m_case_item_img {
  width: 100%;
  border: #ccc 1px solid;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 2px 2px 10px rgba(50, 50, 50, .3);
}