.page-chungnhanthanhtuu .container {
  width: 100%;
  max-width: 1220px;
  padding-left: 0;
  padding-right: 0;
  margin-left: auto;
  margin-right: auto;
}

.page-chungnhan {
  background: #fff;
  padding: 24px 0 70px;
}

.page-chungnhan__head {
  text-align: center;
}

.page-chungnhan__title {
  margin: 0;
  color: #00576a;
  font-size: 38px;
  line-height: 1.16;
  font-weight: 800;
  text-transform: uppercase;
}

.page-chungnhan__subtitle {
  position: relative;
  margin: 4px auto 0;
  padding-bottom: 16px;
  color: #00576a;
  font-size: 34px;
  line-height: 1.18;
  font-weight: 400;
}

.page-chungnhan__subtitle::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 510px;
  max-width: 74vw;
  height: 2px;
  background: #00576a;
  transform: translateX(-50%);
}

.page-chungnhan__intro {
  margin-top: 44px;
  color: #004b61;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 400;
}

.page-chungnhan__intro p {
  margin: 0;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-word;
}

.page-chungnhan__intro p + p {
  margin-top: 0;
}

.page-chungnhan__intro a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-chungnhan-gallery {
  margin-top: 77px;
  padding: 48px 0 62px;
  background: #cfe4ea;
  overflow: hidden;
  margin-bottom: 0;
}

.page-chungnhan-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 38px;
  margin-bottom: 72px;
}

.page-chungnhan-tabs__btn {
  min-width: 308px;
  height: 54px;
  padding: 8px 34px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #0a606f;
  font-size: 31px;
  line-height: 1.1;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
}

.page-chungnhan-tabs__btn.is-active {
  background: #005f73;
  color: #fff;
}

.page-chungnhan-panel {
  display: none;
  overflow: visible;
}

.page-chungnhan-panel.is-active {
  display: block;
}

.page-chungnhan-swiper {
  width: 100vw;
  margin-left: 50%;
  overflow: visible;
  transform: translateX(-50%);
}

.page-chungnhan-swiper .swiper-wrapper {
  align-items: center;
}

.page-chungnhan-swiper .page-chungnhan-card {
  position: relative;
  width: 410px;
  height: 509px;
  border-radius: 54px;
  padding: 30px 20px 108px;
  background: #d5d5d5;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  transform: scale(0.663);
  transition: transform 0.32s ease, background-color 0.32s ease, box-shadow 0.32s ease;
}

.page-chungnhan-card__img {
  width: 100%;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-chungnhan-card__img img {
  display: block;
  max-width: calc(100% - 48px);
  max-height: 318px;
  object-fit: contain;
}

.page-chungnhan-card__title {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 46px;
  margin: 0;
  color: #0a0a0a;
  text-align: center;
  font-size: 24px;
  line-height: 1.24;
  font-weight: 800;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s ease;
}

.page-chungnhan-swiper .page-chungnhan-card.swiper-slide-active {
  background: #fff;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.08);
  transform: scale(1);
  z-index: 2;
}

.page-chungnhan-card.swiper-slide-active .page-chungnhan-card__img img {
  max-width: calc(100% - 48px);
  max-height: 318px;
}

.page-chungnhan-card.swiper-slide-active .page-chungnhan-card__title {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1199px) {
  .page-chungnhanthanhtuu .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-chungnhan {
    padding-top: 34px;
  }

  .page-chungnhan__title {
    font-size: 42px;
  }

  .page-chungnhan__subtitle {
    font-size: 40px;
  }

  .page-chungnhan__intro {
    font-size: 18px;
    margin-top: 32px;
  }

  .page-chungnhan-gallery {
    padding-top: 42px;
    padding-bottom: 58px;
  }

  .page-chungnhan-tabs {
    margin-bottom: 60px;
  }

  .page-chungnhan-tabs__btn {
    min-width: 290px;
    height: 62px;
    font-size: 34px;
  }

  .page-chungnhan-card {
    width: 380px;
    height: 480px;
  }

  .page-chungnhan-card.swiper-slide-active {
    transform: scale(1);
  }
}

@media (max-width: 767px) {
  .page-chungnhan {
    padding-top: 28px;
  }

  .page-chungnhan__title {
    font-size: 30px;
  }

  .page-chungnhan__subtitle {
    font-size: 28px;
  }

  .page-chungnhan__intro {
    font-size: 16px;
  }

  .page-chungnhan-gallery {
    padding-top: 34px;
    padding-bottom: 46px;
  }

  .page-chungnhan-tabs {
    gap: 12px;
    margin-bottom: 36px;
  }

  .page-chungnhan-tabs__btn {
    min-width: 0;
    width: calc(50% - 6px);
    height: 52px;
    padding: 8px 14px;
    font-size: 20px;
  }

  .page-chungnhan-card,
  .page-chungnhan-card.swiper-slide-active {
    width: min(320px, calc(100vw - 48px));
    height: 390px;
    border-radius: 28px;
    padding: 20px 16px 112px;
    transform: scale(1);
  }

  .page-chungnhan-card__img {
    height: 220px;
  }

  .page-chungnhan-card__img img,
  .page-chungnhan-card.swiper-slide-active .page-chungnhan-card__img img {
    max-width: calc(100% - 24px);
    max-height: 220px;
  }

  .page-chungnhan-card__title {
    left: 20px;
    right: 20px;
    bottom: 32px;
    font-size: 20px;
  }
}