.software_intro .flex {
  min-height: 20.8rem;
  gap: 4rem;
  padding: 4rem 0;
}
.software_intro .logo {
  width: 10.3rem;
  height: 10.3rem;
  filter: drop-shadow(0 1rem 1rem rgba(183, 183, 183, 0.45));
}
.software_intro .text {
  padding-bottom: 0.6rem;
}
.software_intro .text .title {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 0.039rem;
}
.software_intro .text .desc {
  font-size: 2.2rem;
  font-weight: 600;
  opacity: 0.5;
  margin-top: 0.9rem;
  letter-spacing: 0.016rem;
}
.software_nav {
  background-color: #f3f3f3;
  position: sticky;
  top: 0;
  z-index: 99;
  transition: all 0.3s;
}
.software_nav.opt {
  top: 83px;
}
.software_nav .nav .nav_list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 4.09722222%;
}
.software_nav .nav .nav_item {
  display: block;
  font-size: 1.7rem;
  font-weight: 600;
  color: #171717;
  border-bottom: 0.4rem solid transparent;
  cursor: pointer;
  transition: all 0.3s;
  padding: 2.5rem 0 2.1rem;
}
.software_nav .nav .nav_item.active,
.software_nav .nav .nav_item:hover {
  border-bottom-color: var(--primary);
}
.software_download {
  padding: 8rem 0 10.4rem;
}
.software_download .list {
  margin-top: 3.7rem;
}
.software_download .doc_item {
  border-top: 1px solid rgba(0, 0, 0, 0.14);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 5rem;
  padding: 2.8rem 0 4.4rem;
}
.software_download .doc_item .icon {
  width: 4.5rem;
  height: 4.8rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.software_download .doc_item .icon img {
  width: min-content;
  height: min-content;
  max-width: 100%;
  max-height: 100%;
}
.software_download .doc_item .text h3 {
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: 0.02rem;
}
.software_download .doc_item .text p {
  line-height: 1.529375;
  color: #60686d;
  max-width: 58.7rem;
  margin-top: 1.4rem;
  letter-spacing: -0.008rem;
}
.software_download .doc_item .btn_line {
  padding: 1rem 2rem;
  min-width: 20.1rem;
  margin-top: 2px;
}
@media screen and (max-width: 768px) {
  .software_intro .flex {
    min-height: unset;
    padding: 30px 0;
    gap: 14px;
  }
  .software_intro .logo {
    width: 50px;
    height: 50px;
  }
  .software_intro .text {
    padding: 0;
  }
  .software_intro .text .title {
    font-size: 18px;
    letter-spacing: unset;
  }
  .software_intro .text .desc {
    font-size: 14px;
    letter-spacing: unset;
    margin-top: 10px;
  }
  .software_nav {
    top: 64px;
  }
  .software_nav.opt {
    top: 64px;
  }
  .software_nav .nav .nav_list {
    width: calc(100% + 40px);
    margin: 0 -20px 0;
    padding: 0 20px;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 20px;
  }
  .software_nav .nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .software_nav .nav .nav_item {
    font-size: 14px;
    padding: 14px 0;
    white-space: nowrap;
    border-bottom-width: 2px;
  }
  .software_download {
    padding: 50px 0;
  }
  .software_download .list {
    margin-top: 30px;
  }
  .software_download .doc_item {
    padding: 30px 0;
    gap: 20px;
  }
  .software_download .doc_item .icon {
    width: 40px;
    height: 40px;
  }
  .software_download .doc_item .text h3 {
    font-size: 18px;
    letter-spacing: unset;
  }
  .software_download .doc_item .text p {
    line-height: 1.5;
    letter-spacing: unset;
    margin-top: 10px;
  }
  .software_download .doc_item .btn_line {
    min-width: 120px;
    margin-top: 0;
    padding: 0 20px;
  }
}
@media screen and (max-width: 576px) {
  .software_download .doc_item {
    grid-template-columns: 1fr;
  }
}