.main {
  width: 100vw;
  height: 100%;
  z-index: 1;
}
.wrap {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 100px;
  gap: 50px;
  z-index: 2;
}
.btns {
  position: fixed;
  right: 0px;
  bottom: 28px;
  transform: translateX(-25%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 3;
}
.top-btn {
  position: relative;
  background-color: #fff;
  border-radius: 50px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.top-btn.show {
  opacity: 1;
  pointer-events: auto;
}
.top-btn img {
  width: 56px;
  height: 56px;
  filter: opacity(30%);
  transition: filter 0.3s ease-in-out;
}
.top-btn:hover img {
  filter: opacity(100%);
}
.home-btn {
  position: relative;
  background-color: #fff;
  border-radius: 50px;
  cursor: pointer;
}
.home-btn img {
  width: 56px;
  height: 56px;
  filter: opacity(30%);
  transition: filter 0.3s ease-in-out;
}
.home-btn:hover img {
  filter: opacity(100%);
}
.page-close-btn {
  position: fixed;
  right: 0;
  top: 28px;
  transform: translateX(-25%);
  cursor: pointer;
}
.page-close-btn img {
  width: 56px;
  height: 56px;
}

.content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.content img {
  position: relative;
  width: 270px;
  height: 600px;
  object-fit: cover;
}
.loading {
  position: relative;
  width: 270px;
  height: 600px;
  border-radius: 12px;
  overflow: hidden;
}
.loading video {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.loading img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.detail {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 100px;
}
.detail h2 {
  font-size: 60px;
}
.text {
  position: relative;
  display: flex;
  gap: 100px;
}
.text ul {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 25px;
}
.text ul li {
  font-size: 36px;
  line-height: 50px;
}
.text .left li {
  font-weight: 600;
}
.text .right li .links {
  display: flex;
  gap: 10px;
}
.text .right li .links a {
  font-size: 24px;
  line-height: 48px;
  border-radius: 50px;
  border: 1px solid #000;
  padding: 0 10px;
}
.text .right li img {
  width: 50px;
  height: 50px;
}

.ppt {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 200px;
}
.ppt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}