:root {
  --zs-about-bg: #ececec;
  --zs-about-text: #5c5c5c;
  --zs-about-heading: #2f2f2f;
  --zs-about-link: #548dd4;
  --zs-about-card-border: #dddddd;
}

.zs-about-page {
  background: var(--zs-about-bg);
}

.zs-about-hero {
  position: relative;
}

.zs-about-hero__desktop,
.zs-about-hero__mobile {
  position: relative;
  overflow: hidden;
}

.zs-about-hero__desktop {
  display: block;
}

.zs-about-hero__mobile {
  display: none;
}

.zs-about-carousel__track {
  position: relative;
}

.zs-about-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.zs-about-carousel__slide.is-active {
  position: relative;
  opacity: 1;
  z-index: 1;
}

.zs-about-carousel__slide a,
.zs-about-carousel__slide img {
  display: block;
  width: 100%;
}

.zs-about-carousel__slide img {
  height: auto;
  object-fit: cover;
}

.zs-about-carousel__dots {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 2;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.zs-about-carousel__dots button {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 0;
  background: url("../img/circle.png") no-repeat center / cover;
}

.zs-about-carousel__dots button.is-active {
  background-image: url("../img/circleon.png");
}

.zs-about-breadcrumb {
  padding: 8px 0 12px;
  font-size: 1.2rem;
  line-height: 1.8;
  color: #8a8a8a;
}

.zs-about-breadcrumb .zs-shell {
  display: flex;
  align-items: center;
  gap: 5px;
}

.zs-about-breadcrumb a:last-child {
  color: #6193cc;
}

.zs-about-intro {
  padding: 14px 0 10px;
}

.zs-about-feature-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 28px;
}

.zs-about-feature {
  text-align: center;
  color: #5f5f5f;
}

.zs-about-feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
}

.zs-about-feature__icon img {
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.zs-about-feature h2 {
  margin: 10px 0 10px;
  color: var(--zs-about-heading);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
}

.zs-about-feature p {
  margin: 0;
  color: #666666;
  font-size: 1.5rem;
  line-height: 2.1;
}

.zs-about-story {
  padding: 18px 0 54px;
}

.zs-about-story__row {
  display: flow-root;
  margin-bottom: 24px;
}

.zs-about-story__media {
  width: 48%;
}

.zs-about-story__media--right {
  float: right;
  margin: 0 0 18px 34px;
}

.zs-about-story__media--left {
  float: left;
  margin: 0 34px 18px 0;
}

.zs-about-story__frame {
  border: 1px solid var(--zs-about-card-border);
  background: #ffffff;
  padding: 6px;
}

.zs-about-story__frame img,
.zs-about-story__ending img {
  display: block;
  width: 100%;
  height: auto;
}

.zs-about-story__content h2 {
  margin: 0 0 10px;
  color: var(--zs-about-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
}

.zs-about-story__content p {
  margin: 0 0 8px;
  color: #000;
  font-size: 1.5rem;
  line-height: 1.95;
  text-align: left;
}

.zs-about-story__content a {
  color: var(--zs-about-link);
  text-decoration: underline;
}

.zs-about-story__ending {
  margin-top: 6px;
}

.zs-reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.zs-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1219px) {
  .zs-about-feature-list {
    gap: 18px;
  }

  .zs-about-story__content p {
    font-size: 1.7rem;
    line-height: 1.85;
  }

  .zs-about-story__content h2 {
    font-size: 2.6rem;
  }
}

@media (max-width: 979px) {
  .zs-about-hero__desktop {
    display: none;
  }

  .zs-about-hero__mobile {
    display: block;
  }

  .zs-about-breadcrumb {
    padding: 10px 0;
  }

  .zs-about-feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 18px;
  }

  .zs-about-feature h2 {
    font-size: 1.9rem;
  }

  .zs-about-feature p {
    font-size: 1.4rem;
    line-height: 1.9;
  }

  .zs-about-story {
    padding-bottom: 40px;
  }

  .zs-about-story__media,
  .zs-about-story__media--right,
  .zs-about-story__media--left {
    float: none;
    width: 100%;
    margin: 0 0 18px;
  }

  .zs-about-story__content h2 {
    font-size: 2.2rem;
  }

  .zs-about-story__content p {
    font-size: 1.6rem;
    line-height: 1.82;
  }
}

@media (max-width: 640px) {
  .zs-about-carousel__dots {
    bottom: 10px;
    gap: 8px;
  }

  .zs-about-carousel__dots button {
    width: 10px;
    height: 10px;
  }

  .zs-about-feature-list {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .zs-about-feature__icon,
  .zs-about-feature__icon img {
    width: 80px;
    height: 80px;
  }

  .zs-about-story {
    padding-top: 10px;
  }

  .zs-about-story__frame {
    padding: 4px;
  }

  .zs-about-story__content h2 {
    font-size: 1.9rem;
  }

  .zs-about-story__content p {
    font-size: 1.45rem;
    line-height: 1.78;
  }
}