body {
  background: #fff;
}

.page-shell {
  background: linear-gradient(
    180deg,
    #eaf6ff 0,
    #ddfff3 150px,
    #f6fffd 285px,
    #fff 460px
  );
}

.site-header {
  justify-content: flex-end;
  padding: 18px 40px;
}

.header-link:hover {
  color: #13bda9;
}

.hero {
  padding: 70px 24px 72px;
}

.hero-inner {
  grid-template-columns: minmax(0, 430px) minmax(420px, 680px);
  gap: 76px;
}

.primary-button {
  width: 180px;
  height: 60px;
  border-radius: 8px;
  background: linear-gradient(100deg, #24cdbd 0, #18c2b2 44%, #13b7bf 100%);
  box-shadow: 0 14px 30px rgba(18, 188, 181, 0.22);
  font-size: 20px;
}

.primary-button:hover {
  box-shadow: 0 18px 34px rgba(18, 188, 181, 0.28);
  transform: translateY(-2px);
}

.showcase-frame {
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  background: linear-gradient(135deg, #f5ffff 0, #c6fff2 48%, #e9f8ff 100%);
  box-shadow: 0 26px 70px rgba(19, 183, 191, 0.2);
}

.showcase-frame img {
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 24px;
  object-fit: cover;
}

.content-section {
  padding-top: 92px;
  padding-bottom: 112px;
}

.section-subtitle {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  line-height: 1.75;
}

.content-card-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  width: 100%;
}

.content-card-list li {
  min-width: 0;
  min-height: 468px;
  padding: 30px;
  border: 1px solid rgba(222, 234, 242, 0.72);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 20px 45px rgba(25, 54, 70, 0.14);
}

.content-card-title {
  margin: 0 0 22px;
  color: #07131f;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.content-card-body {
  min-height: 132px;
  margin: 0 0 28px;
  color: #64748b;
  font-size: 17px;
  line-height: 1.85;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.content-card-image {
  display: block;
  width: 100%;
  margin-top: auto;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  background: linear-gradient(135deg, #f5ffff, #dbfff7);
  object-fit: cover;
}

.faq-section {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px 112px;
}

.faq-card-list {
  display: grid;
  gap: 16px;
  margin-top: 52px;
}

.faq-card {
  border: 1px solid rgba(222, 234, 242, 0.82);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 16px 36px rgba(25, 54, 70, 0.1);
  overflow: hidden;
}

.faq-card summary {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  padding: 22px 26px;
  color: #07131f;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.45;
  list-style: none;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card p {
  margin: 0;
  padding: 0 26px 24px;
  color: #64748b;
  font-size: 16px;
  line-height: 1.85;
}

.faq-arrow {
  position: relative;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #eafffb, #dff8ff);
}

.faq-arrow::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-top: 7px solid #13b7bf;
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;
  content: "";
  transform: translate(-50%, -35%);
  transition: transform 0.18s ease;
}

.faq-card[open] .faq-arrow::before {
  transform: translate(-50%, -55%) rotate(180deg);
}

@media (max-width: 720px) {
  .site-header {
    justify-content: flex-end;
    padding: 16px 20px;
  }

  .hero {
    padding: 42px 20px 50px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
    text-align: center;
  }

  .hero-title,
  .hero-desc {
    width: 100%;
  }

  .hero-title {
    max-width: 340px;
    margin-right: auto;
    margin-left: auto;
    font-size: 32px;
    line-height: 1.22;
    overflow-wrap: anywhere;
  }

  .section-title {
    max-width: 300px;
    margin-right: auto;
    margin-left: auto;
    font-size: 24px;
    line-height: 1.28;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .section-subtitle {
    max-width: 330px;
    margin-bottom: 38px;
    font-size: 15px;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .content-section {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .content-card-list {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .content-card-list li {
    min-height: 0;
    padding: 22px;
    border-radius: 14px;
  }

  .content-card-title {
    margin-bottom: 14px;
    font-size: 20px;
  }

  .content-card-body {
    min-height: 0;
    margin-bottom: 22px;
    font-size: 15px;
    line-height: 1.78;
  }

  .content-card-image {
    border-radius: 10px;
  }

  .faq-section {
    padding: 0 20px 78px;
  }

  .faq-card-list {
    gap: 14px;
    margin-top: 34px;
  }

  .faq-card summary {
    min-height: 64px;
    padding: 18px 18px;
    font-size: 17px;
    overflow-wrap: anywhere;
  }

  .faq-card p {
    padding: 0 18px 20px;
    font-size: 15px;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .faq-arrow {
    flex-basis: 30px;
    width: 30px;
    height: 30px;
  }

  .primary-button {
    width: 156px;
    height: 52px;
    font-size: 18px;
  }

  .showcase-frame {
    border-radius: 18px;
  }

  .showcase-frame img {
    border-radius: 18px;
  }
}