.tongda_case_read_main {
  width: 100%;
  background: #f6f6f6;
  font-family: var(--font-family);
}

.tongda_case_read_main,
.tongda_case_read_main * {
  box-sizing: border-box;
}

.tongda_case_read_main .tongda_case_read_banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 800;
  overflow: hidden;
}

.tongda_case_read_main .tongda_case_read_banner_image {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
}

.tongda_case_read_banner_title {
  position: absolute;
  top: 16%;
  width: 28.125rem;
  line-height: 1.23;
  padding: 0.75rem;
  margin-left: var(--root-container-spacing);
  color: var(--color-primary);
}

.tongda_case_read_main .tongda_case_read_nav {
  width: 100%;
  background: #f6f6f6;
  margin-bottom: 5rem;
}

.tongda_case_read_main .tongda_case_read_nav_inner {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  border-bottom: 1px solid #ddd;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tongda_case_read_main .tongda_case_read_nav_inner::-webkit-scrollbar {
  display: none;
}

.tongda_case_read_main .tongda_case_read_nav_list {
  position: relative;
  display: flex;
  width: max-content;
  height: 100%;
  align-items: flex-start;
  gap: 7.5rem;
}

.tongda_case_read_main .tongda_case_read_nav_item {
  padding: 0.9375rem 0 1.6875rem 0;
  position: relative;
  flex: 0 0 auto;
  color: #111;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-20);
  font-weight: 500;
  line-height: 1.5;
  text-transform: capitalize;
  white-space: nowrap;
  cursor: pointer;
  appearance: none;
}

.tongda_case_read_main .tongda_case_read_nav_item::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 0px;
  /* width: 100%; */
  width: 12.25rem;
  height: 0.3125rem;
  background: transparent;
}

.tongda_case_read_main .tongda_case_read_nav_item.is-active,
.tongda_case_read_main .tongda_case_read_nav_item:hover {
  color: var(--color-primary);
}

.tongda_case_read_main .tongda_case_read_nav_item.is-active {
  font-weight: 700;
}

.tongda_case_read_main .tongda_case_read_nav_item.is-active::after {
  background: var(--color-primary);
}

.tongda_case_read_main .tongda_case_read_nav_item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 0.25rem;
}

.tongda_case_read_main .tongda_case_read_recom {
  width: 100%;
  padding: 5rem 0;
  background: #f6f6f6;
}

.tongda_case_read_main .tongda_case_read_recom_title {
  margin: 0;
  color: var(--title-text-color);
  font-family: var(--title-font-family);
  font-size: var(--font-size-60);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  text-align: center;
}

.tongda_case_read_main .tongda_case_read_recom_grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5625rem;
  margin-top: 5rem;
}

.tongda_case_read_main .tongda_case_read_recom_card {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: #fff;
  border-radius: 0.625rem;
  text-decoration: none;
  transition: box-shadow 0.3s ease;
}

.tongda_case_read_main .tongda_case_read_recom_card:hover {
  box-shadow: 0 0.25rem 0.625rem rgba(0, 0, 0, 0.2);
}

.tongda_case_read_main .tongda_case_read_recom_media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 517 / 386;
  overflow: hidden;
  border-radius: 0.625rem;
  z-index: 2;
}

.tongda_case_read_main .tongda_case_read_recom_image {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  background-color: #fff;
  object-position: center;
  border-radius: 0.625rem;
  overflow: hidden;
}

.tongda_case_read_main .tongda_case_read_recom_content {
  position: relative;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  padding: 2.8125rem 1.5rem;
  background: var(--color-primary);
  text-align: center;
  z-index: 1;
}
.tongda_case_read_main .tongda_case_read_recom_content::before {
  content: '';
  position: absolute;
  top: -30px;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: inline-block;
  background-color: var(--color-primary);
}

.tongda_case_read_main .tongda_case_read_recom_name {
  color: #fff;
  font-family: var(--font-family);
  font-size: var(--font-size-22);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  position: relative;
  z-index: 1;
}

.tongda_case_read_main .tongda_case_read_description {
  width: 100%;
  padding: 0 0 5rem;
  background: #f6f6f6;
}

.tongda_case_read_main .tongda_case_read_description_title,
.tongda_case_read_main .tongda_case_read_partners_title {
  margin: 0 0 3.75rem;
  color: var(--title-text-color);
  font-family: var(--title-font-family);
  font-size: var(--font-size-60) !important;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.tongda_case_read_partners {
  padding-bottom: 5rem;
}

.tongda_case_read_main .tongda_case_read_description_video {
  width: 100%;
  padding-bottom: 5rem;
  background: #f6f6f6;
}

.tongda_case_read_main .tongda_case_read_description_video_link {
  position: relative;
  display: block;
  width: 100%;
  height: 37.5rem;
  overflow: hidden;
  background: #000;
  border-radius: 1.25rem;
}

.tongda_case_read_main .tongda_case_read_description_video_link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 0.25rem;
}

.tongda_case_read_main .tongda_case_read_description_video_poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.tongda_case_read_main .tongda_case_read_description_video_play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  width: 6rem;
  height: 6rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(1.5px);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease;
  -webkit-backdrop-filter: blur(0.09375rem);
}

.tongda_case_read_main .tongda_case_read_description_video_play svg {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
}

.tongda_case_read_main
  .tongda_case_read_description_video_link:hover
  .tongda_case_read_description_video_play {
  transform: translate(-50%, -50%) scale(1.08);
}

.tongda_case_read_main .tongda_case_read_description_content *,
.tongda_case_read_main .tongda_case_read_partners_content * {
  font-family: var(--font-family);
  font-size: var(--font-size-24) !important;
  font-weight: 500;
  /* margin-bottom: 5rem; */
}

.tongda_case_read_main .tongda_case_read_partners_pics {
  width: 100%;
  padding-bottom: 5rem;
  background: #f6f6f6;
}

.tongda_case_read_main .tongda_case_read_partners_pics_grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.tongda_case_read_main .tongda_case_read_partners_pics_item {
  min-width: 0;
  overflow: hidden;
  max-height: 37.5rem;
  border-radius: 1.25rem;
}

.tongda_case_read_main .tongda_case_read_partners_pics_image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media screen and (max-width: 1024px) {
  .tongda_case_read_main .tongda_case_read_nav {
    margin-bottom: 3.75rem;
  }

  .tongda_case_read_main .tongda_case_read_nav_item::after {
    width: 100%;
  }

  .tongda_case_read_main .tongda_case_read_nav_list {
    gap: 4rem;
    padding-right: 0.375rem;
  }

  .tongda_case_read_main .tongda_case_read_recom {
    padding: 3.75rem 0;
  }

  .tongda_case_read_main .tongda_case_read_recom_grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 3.75rem;
  }

  .tongda_case_read_main .tongda_case_read_description {
    padding-bottom: 3.75rem;
  }

  .tongda_case_read_main .tongda_case_read_description_title,
  .tongda_case_read_main .tongda_case_read_partners_title {
    margin-bottom: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video {
    padding-bottom: 3.75rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_link {
    height: auto;
    aspect-ratio: 8 / 3;
    border-radius: 1rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_play {
    width: 5rem;
    height: 5rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_play svg {
    width: 2rem;
    height: 2rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics {
    padding-bottom: 3.75rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics_grid {
    gap: 1.25rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics_item {
    max-height: none;
    aspect-ratio: 4 / 3;
    border-radius: 1rem;
  }
}

@media screen and (max-width: 768px) {
  .tongda_case_read_main .tongda_case_read_nav {
    margin-bottom: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_nav_list {
    gap: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_recom {
    padding: 3rem 0;
  }

  .tongda_case_read_main .tongda_case_read_recom_grid {
    gap: 1.25rem;
    margin-top: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_description {
    padding-bottom: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_description_title,
  .tongda_case_read_main .tongda_case_read_partners_title {
    margin-bottom: 2.5rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video {
    padding-bottom: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_link {
    border-radius: 0.875rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_play {
    width: 4.5rem;
    height: 4.5rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_play svg {
    width: 1.875rem;
    height: 1.875rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics {
    padding-bottom: 3rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics_item {
    border-radius: 0.875rem;
  }
}

@media screen and (max-width: 576px) {
  /* .tongda_case_read_main .tongda_case_read_banner {
    aspect-ratio: 16 / 9;
  } */

  .tongda_case_read_banner_title {
    top: 50%;
    transform: translate(0px, -50%);
    line-height: normal;
  }

  .tongda_case_read_main .tongda_case_read_nav {
    margin-bottom: 2.5rem;
  }

  .tongda_case_read_main .tongda_case_read_nav_list {
    gap: 2rem;
  }

  .tongda_case_read_main .tongda_case_read_recom {
    padding: 2.5rem 0;
  }

  .tongda_case_read_main .tongda_case_read_recom_grid {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 2.5rem;
  }

  .tongda_case_read_main .tongda_case_read_recom_content {
    padding: 1rem;
  }

  .tongda_case_read_main .tongda_case_read_description {
    padding-bottom: 2.5rem;
  }

  .tongda_case_read_main .tongda_case_read_description_title,
  .tongda_case_read_main .tongda_case_read_partners_title {
    margin-bottom: 2rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video {
    padding-bottom: 2.5rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_link {
    aspect-ratio: 16 / 9;
    border-radius: 0.75rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_play {
    width: 4rem;
    height: 4rem;
  }

  .tongda_case_read_main .tongda_case_read_description_video_play svg {
    width: 1.75rem;
    height: 1.75rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics {
    padding-bottom: 2.5rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics_grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }

  .tongda_case_read_main .tongda_case_read_partners_pics_item {
    border-radius: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tongda_case_read_main .wow {
    visibility: visible !important;
    animation: none !important;
  }
}