.litai-video .section-1 {
  background-color: #000;
  background-image: url(https://images.monimaster.com/monimasterru/assets/product/litai_video/section-1-bg.png);
  background-position: center top;
  background-size: 1920px 748px;
  background-repeat: no-repeat;
}

.litai-video .section-1 .main-block {
  padding: 120px 0 140px;
  display: flex;
  justify-content: center;
  gap: 130px;
}

.litai-video .section-1 .main-block .left-block {
  max-width: 648px;
}

.litai-video .section-1 .main-block .left-block h1 {
  font-weight: 600;
  font-size: 56px;
  color: #fff;
}

.litai-video .section-1 .main-block .left-block P {
  margin-top: 22px;
  font-weight: 400;
  font-size: 16px;
  color: #fff;
  opacity: 0.6;
}

.litai-video .section-1 .main-block .left-block a {
  margin-top: 46px;
  display: block;
  width: 382px;
  height: 50px;
  line-height: 50px;
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);

  color: #fff;
  font-weight: 600;
  font-size: 18px;
  text-align: center;
  border-radius: 40px;
}

.litai-video .section-1 .main-block .left-block a:hover {
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%),
    rgba(255, 255, 255, 0.2);
  background-blend-mode: overlay;
}

.litai-video .section-1 .main-block .right-block {
  max-width: 612px;
  height: 486px;
  width: 100%;
  border: 8px solid transparent;
  border-radius: 24px;
  background: linear-gradient(
      127.66deg,
      #7733ff 6.91%,
      #3caeff 27.48%,
      #ff8317 52.03%,
      #4180ff 94.19%
    )
    border-box;

  box-shadow: 0px 24px 50px 0px #51029b40, 0px 4px 4px 0px #00000040,
    5px 4px 100px 0px #04b8ff80;
}

.litai-video .section-1 .main-block .right-block .right-content-block {
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  position: relative;
  top: 2px;
  left: 2px;
  border-radius: 16px;
  background-color: #111111;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 30px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .btn-group {
  display: flex;
  width: 100%;
  padding: 4px;
  border-radius: 8px;
  border: 1px solid #ffffff0d;
  background: #ffffff0d;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .btn-group
  button {
  flex: 1;
  height: 34px;
  line-height: 34px;
  font-weight: 600;
  font-size: 16px;
  color: #fff;
  text-align: center;
  border: none;
  border-radius: 6px;
  background: transparent;
  opacity: 0.6;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .btn-group
  button.active {
  opacity: 1;
  background: #ffffff1a;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  margin-bottom: 14px;
  padding-left: 8px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 18px;
  color: #fff;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .title
  img {
  width: 24px;
  height: 24px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box {
  width: 176px;
  border-radius: 8px;
  border: 1px solid #ffffff33;
  padding: 6px 8px;
  background: #ffffff1a;
  position: relative;
  cursor: pointer;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .selected-box {
  display: flex;
  align-items: center;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .selected-box
  .selected-value {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 400;
  color: #fff;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .selected-box
  .selected-value
  img {
  width: 20px;
  height: 20px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .selected-box
  .arrow {
  width: 16px;
  height: 16px;
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 0.5s ease;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box.active
  .selected-box
  .arrow {
  transform: rotateZ(180deg);
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list {
  position: absolute;
  right: -1px;
  top: 44px;
  padding: 12px 2px 12px 12px;
  width: 288px;
  background-color: #181818;
  border-radius: 8px;
  border: 1px solid #ffffff33;
  display: none;
  z-index: 9;
  height: 400px;
  overflow-y: auto;
  scrollbar-width: thin; /* Firefox */
  scrollbar-color: #3a3a3a #181818; /* 滚动条颜色 & 背景 */
}

/* Chrome、Edge、Safari */
.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list::-webkit-scrollbar {
  width: 6px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list::-webkit-scrollbar-track {
  background: #181818;
  border-radius: 8px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list::-webkit-scrollbar-thumb {
  background: #3a3a3a;
  border-radius: 8px;
  transition: background-color 0.3s;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list::-webkit-scrollbar-thumb:hover {
  background: #5c5c5c;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 6px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item.selected {
  background: #ffffff1f;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .top-container {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 16px;
  color: #fff;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .top-container
  > img {
  width: 20px;
  height: 20px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .top-container
  .credits {
  padding: 2px 6px;
  display: flex;
  align-items: center;
  border: 1px solid #fff3;
  border-radius: 6px;
  gap: 4px;
  font-size: 10px;
  color: #fff;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .top-container
  .credits
  img {
  width: 16px;
  height: 16px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .top-container
  .new-tag {
  font-weight: 600;
  font-style: Italic;
  font-size: 12px;
  color: #fff;
  background-color: #50cd12;
  border-radius: 20px;
  width: 42px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  margin-left: 4px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .top-container
  .hot-tag {
  font-weight: 600;
  font-style: Italic;
  font-size: 12px;
  color: #fff;
  background-color: #ff376a;
  border-radius: 20px;
  width: 42px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  margin-left: 4px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .item-container
  .bottom-container {
  font-size: 12px;
  color: #ffffff99;
  margin-top: 4px;
  max-width: 218px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item
  .selected-icon {
  display: none;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .header-box
  .select-box
  .select-list
  .list-item.selected
  .selected-icon {
  display: block;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-container {
  cursor: pointer;
  position: relative;
  width: 100%;
  height: 238px;
  border-radius: 12px; /* 圆角 */
  overflow: hidden; /* 用于裁切 SVG 到圆角 */
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .text-container {
  width: 100%;
  height: 238px;
  border-radius: 12px;
  padding: 16px;
  border: 1px solid #ffffff1a;
  background: #f4f5f71a;
  box-sizing: border-box;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .text-container:hover {
  border: 1px solid #ffffff4d;
  background: #f4f5f71a;
}

/* 让 textarea 继承视觉风格 */
.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .text-container
  .text-input {
  width: 100%;
  height: 100%;
  resize: none;
  border: none;
  outline: none;
  background: transparent;
  color: #fff;
  font-size: 14px;
  line-height: 20px;
  font-family: inherit;
  caret-color: #fff; /* 光标颜色 */
}

/* placeholder 样式 */
.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .text-container
  .text-input::placeholder {
  color: #999999;
  opacity: 1;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 4px;
  font-weight: 400;
  font-size: 16px;
  text-align: center;
  color: #fff;
  background: #f4f5f71a;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box
  .mask {
  display: none;
  width: 100%;
  height: 100%;
  background: #00000099;
  position: absolute;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box.active:hover
  .mask {
  display: flex;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box
  .mask
  .btn {
  width: 24px;
  height: 24px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box
  .mask
  .btn.reload {
  background-image: url(https://images.monimaster.com/monimasterru/assets/product/litai_video/img-upload.svg);
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box
  .mask
  .btn.delete {
  background-image: url(https://images.monimaster.com/monimasterru/assets/product/litai_video/img-delete.svg);
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box:hover {
  background: #f4f5f733;
}

.upload-loading {
  display: none;
  position: absolute;
  inset: 0;
  background: #353535;
  color: #fff;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  z-index: 8;
}

.upload-loading .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #ddd;
  border-top-color: #ff1bbb;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 8px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.dashed-border {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.dashed-border .border {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1); /* #FFFFFF1A */
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 8 8; /* 8px 实线 + 8px 空白 */
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-container:hover
  .dashed-border
  .border {
  stroke: rgba(255, 255, 255); /* #FFFFFF */
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box
  img {
  width: 30px;
  height: 30px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box.active
  img {
  width: 36%;
  height: auto;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .file-type {
  margin-top: 12px;
  padding-left: 10px;
  width: 100%;
  font-size: 13px;
  color: #fff;
  opacity: 0.4;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .error-msg {
  display: none;
  color: #ff4d4f;
  margin-top: 8px;
  font-size: 13px;
  width: 100%;
  padding-left: 10px;
}

.litai-video .section-1 .main-block .right-block .right-content-block .ideas {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 13px;
  flex-wrap: wrap;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .ideas
  button {
  font-size: 13px;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.6);
  border: none;
  background: transparent;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .ideas
  button.active {
  color: #ff2cac;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .ideas
  button:hover {
  color: #ff2cac;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .create-btn {
  opacity: 0.5;
  background: linear-gradient(270deg, #fea538 0%, #ff2cac 50.1%, #5d1dff 100%);
  max-width: 382px;
  width: 100%;
  height: 50px;
  font-weight: 600;
  font-size: 18px;
  color: #fff;
  text-align: center;
  border-radius: 8px;
  border: none;
  margin-top: 25px;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .create-btn.active {
  opacity: 1;
  background: linear-gradient(270deg, #fea538 0%, #ff2cac 50.1%, #5d1dff 100%);
}

@media (max-width: 1024px) {
  .litai-video .section-1 {
    background-position: left top;
  }

  .litai-video .section-1 .main-block {
    padding: 60px 14px;
    flex-direction: column;
    gap: 40px;
  }

  .litai-video .section-1 .main-block .left-block {
    max-width: unset;
  }

  .litai-video .section-1 .main-block .left-block h1 {
    font-weight: 600;
    font-size: 36px;
    text-align: center;
  }

  .litai-video .section-1 .main-block .left-block P {
    font-weight: 400;
    font-size: 16px;
    text-align: center;
    margin-top: 16px;
  }

  .litai-video .section-1 .main-block .left-block a {
    width: 308px;
    height: 50px;
    font-weight: 600;
    font-size: 16px;
    margin: 40px auto 0;
  }

  .litai-video .section-1 .main-block .right-block {
    max-width: unset;
    height: unset;
  }

  .litai-video .section-1 .main-block .right-block .right-content-block {
    padding: 18px 14px;
    height: unset;
    width: unset;
    top: 0px;
    left: 0px;
  }

  .litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box.active
  .mask {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  background: transparent;
}

.litai-video
  .section-1
  .main-block
  .right-block
  .right-content-block
  .image-box.active
  .mask
  .btn {
  position: relative;
  right: 14px;
  top: 14px;
}

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .error-msg {
    padding-left: 0;
  }

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .btn-group {
    width: 100%;
    display: flex;
  }

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .btn-group
    button {
    width: auto;
    flex: 1;
    height: 64px;
    line-height: 32px;
  }

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .header-box {
    padding-left: 0;
    margin-top: 16px;
    margin-bottom: 12px;
  }

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .header-box
    .title {
    font-size: 14px;
    line-height: 28px;
  }

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .file-type {
    padding-left: 0;
    margin-top: 16px;
  }

  .litai-video
    .section-1
    .main-block
    .right-block
    .right-content-block
    .create-btn {
    margin-top: 20px;
  }

  .litai-video .section-1 .main-block .right-block .right-content-block .ideas {
    flex-wrap: wrap;
    margin-top: 16px;
  }
}

.litai-video .section-2 {
  background-color: #000;
  background-image: url(https://images.monimaster.com/monimasterru/assets/product/litai_video/section-2-bg.png);
  background-position: center bottom;
  background-size: 1920px 868px;
  min-height: 868px;
}

.litai-video .section-2 .main-block {
  padding: 70px 140px;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.litai-video .section-2 .main-block h2 {
  font-weight: 600;
  font-size: 48px;
  text-align: center;
  color: #fff;
}

.litai-video .section-2 .main-block p {
  font-weight: 400;
  font-size: 16px;
  color: #fff;
  opacity: 0.6;
  margin-top: 8px;
}

.litai-video .section-2 .main-block .templates-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-top: 118px;
}

.litai-video .section-2 .main-block .templates-card .card-box {
  width: 238px;
  height: 408px;
  border: 4px solid transparent;
  border-radius: 22px;
  background: transparent;
  transition: transform 0.3s ease;
}

.litai-video .section-2 .main-block .templates-card .card-box:hover {
  transform: scale(1.18);
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%)
    border-box;
}

.litai-video .section-2 .main-block .templates-card .card-box .template {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .preview-img,
.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .preview-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: opacity 0.3s ease;
  border-radius: 12px;
}

/* 默认视频隐藏 */
.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .preview-video {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  pointer-events: none;
}

/* 悬停时：图片隐藏、视频显示 */
.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box:hover
  .preview-img {
  opacity: 0;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box:hover
  .preview-video {
  opacity: 1;
  pointer-events: auto;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .template-hot-tag {
  padding: 2px 4px;
  text-align: center;
  line-height: 20px;
  border-radius: 5px;
  background-color: #ff0055;
  font-size: 12px;
  font-weight: 900;
  color: #fff;
  position: absolute;
  top: 11px;
  right: 11px;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .template-new-tag {
  width: 38px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  border-radius: 5px;
  background: linear-gradient(90deg, #8d1bff 26.55%, #e455d4 75.36%);
  font-size: 12px;
  font-weight: 900;
  color: #fff;
  position: absolute;
  top: 11px;
  right: 11px;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .template-name {
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  position: absolute;
  bottom: 20px;
  left: 20px;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box:hover
  .template
  .template-name {
  display: none;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .shadow-box {
  width: 100%;
  height: 80px;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.8) 100%
  );
  position: absolute;
  bottom: 0;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .use-btn {
  width: 206px;
  height: 34px;
  border: 40px;
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
  border: none;
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  line-height: 34px;
  border-radius: 40px;
  color: #fff;
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box
  .template
  .use-btn:hover {
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%),
    rgba(255, 255, 255, 0.2);
  background-blend-mode: overlay;
}

.litai-video
  .section-2
  .main-block
  .templates-card
  .card-box:hover
  .template
  .use-btn {
  display: block;
}

.litai-video .section-2 .main-block .swiper-container {
  display: none;
}

@media (max-width: 1024px) {
  .litai-video .section-2 {
    min-height: unset;
    background-position: center 10px;
  }

  .litai-video .section-2 .main-block {
    padding: 20px 0 100px;
    align-items: flex-start;
    overflow: hidden;
  }

  .litai-video .section-2 .main-block h2 {
    font-size: 24px;
    text-align: center;
    padding: 0 16px;
    width: 100%;
  }

  .litai-video .section-2 .main-block p {
    font-size: 16px;
    text-align: center;
    padding: 0 16px;
    width: 100%;
  }

  .litai-video .section-2 .main-block .templates-card {
    display: none;
  }

  .litai-video .section-2 .main-block .swiper-container {
    display: block;
    margin-top: 40px;
    width: 816px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    height: 494px;
  }

  .litai-video .section-2 .main-block .swiper-container .card-box {
    width: 272px;
    height: 486px;
    border: 4px solid transparent;
    border-radius: 22px;
    background: transparent;
    transition: transform 0.3s ease;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .swiper-slide-active
    .card-box {
    background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%)
      border-box;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .preview-img,
  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .preview-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;;
    display: block;
    transition: opacity 0.3s ease;
    border-radius: 12px;
  }

  /* 默认视频隐藏 */
  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .preview-video {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    pointer-events: none;
  }

  /* 悬停时：图片隐藏、视频显示 */
  .litai-video
    .section-2
    .main-block
    .swiper-container
    .swiper-slide-active
    .card-box
    .preview-img {
    opacity: 0;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .swiper-slide-active
    .card-box
    .preview-video {
    opacity: 1;
  }

  .litai-video .section-2 .main-block .swiper-container .card-box .template {
    width: 100%;
    height: 100%;
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 9;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .template-hot-tag {
    padding: 2px 4px;
    text-align: center;
    line-height: 20px;
    border-radius: 5px;
    background-color: #ff0055;
    font-size: 12px;
    font-weight: 900;
    color: #fff;
    position: absolute;
    top: 11px;
    right: 11px;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .template-new-tag {
    width: 38px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    border-radius: 5px;
    background: linear-gradient(90deg, #8d1bff 26.55%, #e455d4 75.36%);
    font-size: 12px;
    font-weight: 900;
    color: #fff;
    position: absolute;
    top: 11px;
    right: 11px;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .template-name {
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    position: absolute;
    bottom: 20px;
    left: 20px;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .shadow-box {
    width: 100%;
    height: 80px;
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0.8) 100%
    );
    position: absolute;
    bottom: 0;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .card-box
    .template
    .use-btn {
    width: 210px;
    height: 34px;
    border: 40px;
    background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
    border: none;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    line-height: 34px;
    border-radius: 40px;
    color: #fff;
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
  }

  .litai-video
    .section-2
    .main-block
    .swiper-container
    .swiper-slide-active
    .card-box
    .template
    .use-btn {
    display: block;
  }
}

.litai-video .section-3 {
  min-height: 2133px;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0naHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmcnIHdpZHRoPScxMDAnIGhlaWdodD0nMTAwJz48ZmlsdGVyIGlkPSduJz48ZmVUdXJidWxlbmNlIHR5cGU9J2ZyYWN0YWxOb2lzZScgYmFzZUZyZXF1ZW5jeT0nMi41JyBudW1PY3RhdmVzPScxJyBzdGl0Y2hUaWxlcz0nc3RpdGNoJy8+PGZlQ29sb3JNYXRyaXggdHlwZT0nbWF0cml4JyB2YWx1ZXM9JzAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAuMjUgMCcvPjwvZmlsdGVyPjxyZWN0IHdpZHRoPScxMDAlJyBoZWlnaHQ9JzEwMCUnIGZpbHRlcj0ndXJsKCNuKScgZmlsbD0nYmxhY2snIGZpbGwtb3BhY2l0eT0nMC4yNScvPjwvc3ZnPg=="),
    linear-gradient(
      360deg,
      #000000 1.75%,
      #2e1134 44.33%,
      #2b497a 67.62%,
      #1b227f 100%
    );
  background-repeat: repeat, no-repeat;
  background-size: 50px 50px, cover; /* 50px -> 粒子较小（对应 size:0.5） */
  background-blend-mode: overlay;
}

.litai-video .section-3 .main-block {
  background-image: url(https://images.monimaster.com/monimasterru/assets/product/litai_video/section-3-bg.png);
  background-position: center top;
  background-size: 1920px 184px;
  padding-top: 140px;
  padding-bottom: 140px;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.litai-video .section-3 .main-block h2 {
  font-weight: 600;
  font-size: 48px;
  text-align: center;
  color: #fff;
}

.litai-video .section-3 .main-block .step-block {
  display: flex;
  align-items: center;
  gap: 125px;
  margin-top: 80px;
}

.litai-video .section-3 .main-block .step-block .left-step-block {
  display: flex;
  gap: 42px;
  max-width: 616px;
}

.litai-video .section-3 .main-block .step-block .left-step-block .progress-bar {
  background-color: #ffffff1a;
  width: 8px;
  display: flex;
  flex-direction: column;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .progress-bar
  .progress {
  flex: 1;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .progress-bar
  .progress
  .progress-slide {
  width: 100%;
  background-color: #fff;
  height: 0;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .progress-bar
  .progress
  .progress-slide.actived {
  height: 100%;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .progress-bar
  .progress
  .progress-slide.active {
  height: 100%;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container
  .step {
  cursor: pointer;
  padding: 22px 24px;
  border-radius: 12px;
  background-color: #ffffff1a;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container
  .step
  .step-title {
  font-weight: 600;
  font-size: 24px;
  color: #ffffff;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container
  .step
  p {
  font-size: 18px;
  color: #000;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container
  .step.active {
  min-height: 174px;
  background-color: #fff;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container
  .step.active
  .step-title {
  color: #ff1bbb;
}

.litai-video
  .section-3
  .main-block
  .step-block
  .left-step-block
  .step-container
  .step.active
  p {
  margin-top: 14px;
  display: block;
  max-height: 500px;
  opacity: 1;
}

.litai-video .section-3 .main-block .step-block .right-step-block {
  width: 640px;
}

.litai-video .section-3 .main-block .create-now {
  padding: 16px 30px;
  font-weight: 600;
  text-align: center;
  font-size: 18px;
  color: #fff;
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
  border-radius: 40px;
  display: block;
  margin-top: 80px;
  margin-bottom: 140px;
}

.litai-video .section-3 .main-block .create-now:hover {
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%),
    rgba(255, 255, 255, 0.2);
  background-blend-mode: overlay;
}

.litai-video .section-3 .main-block .card-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
  max-width: 1334px;
  margin-top: 60px;
  margin-bottom: 140px;
}

.litai-video .section-3 .main-block .card-group .card {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  max-width: 390px;
}

.litai-video .section-3 .main-block .card-group .card img {
  width: 120px;
  height: 120px;
}

.litai-video .section-3 .main-block .card-group .card .title {
  font-weight: 600;
  font-size: 24px;
  text-align: center;
  color: #fff;
  margin-top: 42px;
}

.litai-video .section-3 .main-block .card-group .card p {
  font-size: 16px;
  text-align: center;
  color: #fff;
  margin-top: 12px;
  width: 100%;
  max-width: 390px;
}

.litai-video .section-3 .main-block .link-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  max-width: 1380px;
  margin-top: 60px;
}

.litai-video .section-3 .main-block .link-group a {
  padding: 24px 30px;
  border-radius: 40px;
  background: #ffffff1a;
  font-weight: 600;
  font-size: 18px;
  text-align: center;
  color: #fff;
}

.litai-video .section-3 .main-block .link-group a:hover {
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
}

@media (max-width: 1024px) {
  .litai-video .section-3 .main-block {
    padding: 60px 16px 80px;
  }

  .litai-video .section-3 .main-block h2 {
    font-weight: 600;
    font-size: 24px;
    text-align: center;
  }

  .litai-video .section-3 .main-block .step-block {
    flex-direction: column;
    margin-top: 40px;
    gap: 10px;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .step-container
    .step.active {
    min-height: unset;
  }

  .litai-video .section-3 .main-block .step-block .left-step-block {
    order: 1;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: unset;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .progress-bar {
    margin: 0 8px;
    height: 8px;
    width: calc(100% - 16px);
    flex-direction: row;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .progress-bar
    .progress
    .progress-slide {
    height: 100%;
    background-color: #fff;
    width: 0;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .progress-bar
    .progress
    .progress-slide.actived {
    width: 100%;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .progress-bar
    .progress
    .progress-slide.active {
    width: 100%;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .step-container {
    gap: 6px;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .step-container
    .step
    .step-title {
    font-size: 18px;
  }

  .litai-video
    .section-3
    .main-block
    .step-block
    .left-step-block
    .step-container
    .step
    p {
    font-size: 14px;
  }

  .litai-video .section-3 .main-block .step-block .right-step-block {
    width: calc(100vw - 32px);
  }

  .litai-video .section-3 .main-block .create-now {
    margin-top: 40px;
    margin-bottom: 80px;
  }

  .litai-video .section-3 .main-block .card-group {
    margin-top: 40px;
    margin-bottom: 80px;
    gap: 40px;
  }

  .litai-video .section-3 .main-block .card-group .card img {
    width: 80px;
    height: 80px;
  }

  .litai-video .section-3 .main-block .card-group .card .title {
    margin-top: 20px;
  }

  .litai-video .section-3 .main-block .link-group {
    margin-top: 40px;
    gap: 20px;
  }

  .litai-video .section-3 .main-block .link-group a {
    padding: 12px 20px;
    font-size: 16px;
  }
}

.litai-video .section-4 {
  background-color: #000;
}

.litai-video .section-4 .main-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 140px;
}

.litai-video .section-4 .main-block h2 {
  font-weight: 600;
  font-size: 48px;
  text-align: center;
  color: #fff;
  max-width: 738px;
}

.litai-video .section-4 .main-block ul {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 1340px;
  width: 100%;
  margin-top: 60px;
}

.litai-video .section-4 .main-block ul li {
  cursor: pointer;
}

.litai-video .section-4 .main-block ul li.line {
  cursor: default;
  height: 1px;
  width: 100%;
  background-color: #ffffff1a;
}

.litai-video .section-4 .main-block ul li .question-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 24px;
  color: #fff;
}

.litai-video .section-4 .main-block ul li .question-box .symbol {
  width: 24px;
  height: 24px;
  transition: transform 0.5s ease;
}

.litai-video .section-4 .main-block ul li.active .question-box .symbol {
  transform: rotateZ(45deg);
}

.litai-video .section-4 .main-block ul li .answer {
  display: none;
  font-size: 16px;
  color: #fff;
  opacity: 0.6;
  margin-top: 10px;
}

@media (max-width: 1024px) {
  .litai-video .section-4 .main-block {
    padding: 0 16px 80px;
  }
  .litai-video .section-4 .main-block h2 {
    font-size: 24px;
    text-align: center;
  }

  .litai-video .section-4 .main-block ul {
    margin-top: 40px;
    gap: 20px;
  }

  .litai-video .section-4 .main-block ul li .question-box {
    font-size: 18px;
    align-items: flex-start;
  }

  .litai-video .section-4 .main-block ul li .answer {
    font-size: 14px;
  }
}

.litai-video .section-5 {
  background-image: url(https://images.monimaster.com/monimasterru/assets/product/litai_video/section-5-bg.png);
  background-position: center top;
  background-size: 1920px 540px;
  min-height: 540px;
  background-repeat: no-repeat;
}

.litai-video .section-5 .main-block {
  padding-top: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.litai-video .section-5 .main-block h2 {
  font-weight: 600;
  font-size: 48px;
  text-align: center;
  color: #fff;
  max-width: 1050px;
}

.litai-video .section-5 .main-block .btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
}

.litai-video .section-5 .main-block .btn-group .start-btn {
  display: block;
  padding: 12px 20px;
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
  font-weight: 600;
  font-size: 18px;
  text-align: center;
  line-height: 24px;
  color: #fff;
  border-radius: 40px;
}

.litai-video .section-5 .main-block .btn-group .start-btn:hover {
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%),
    rgba(255, 255, 255, 0.2);
  background-blend-mode: overlay;
}

.litai-video .section-5 .main-block .btn-group .buy-btn {
  position: relative;
  display: block;
  width: 308px;
  height: 48px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 40px;
  text-decoration: none;
  color: transparent;
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
  -webkit-background-clip: text; /* 让文字显示渐变 */
  -webkit-text-fill-color: transparent;
  z-index: 1;
  text-align: center;
  line-height: 48px;
}

.litai-video .section-5 .main-block .btn-group .buy-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 40px;
  padding: 2px; /* 边框厚度 */
  background: linear-gradient(272.28deg, #ff1bbb 13.37%, #ff7f51 90.12%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.litai-video .section-5 .main-block .btn-group .buy-btn:hover{
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  color: #ffff;
}

.litai-video .section-5 .main-block .btn-group .buy-btn img {
  width: 24px;
  height: 24px;
  margin-left: 6px;
  display: none;
}

.litai-video .section-5 .main-block .btn-group .buy-btn:hover img {
  display: inline-block;
}

@media (max-width: 1024px) {
  .litai-video .section-5 .main-block {
    padding: 80px 16px;
  }

  .litai-video .section-5 .main-block h2 {
    font-size: 36px;
    text-align: center;
    line-height: 42px;
  }

  .litai-video .section-5 .main-block .btn-group {
    flex-direction: column;
  }

  .litai-video .section-5 .main-block .btn-group {
    width: 310px;
  }

  .litai-video .section-5 .main-block .btn-group .start-btn {
    width: 100%;
    text-align: center;
  }

  .litai-video .section-5 .main-block .btn-group .buy-btn {
    width: 100%;
    text-align: center;
  }
}