body {
  color: #14212b;
  background: #fff;
}

.page-shell {
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 0%, rgba(20, 209, 188, 0.36) 0, rgba(20, 209, 188, 0) 24%),
    radial-gradient(circle at 18% 8%, rgba(76, 160, 255, 0.22) 0, rgba(76, 160, 255, 0) 28%),
    linear-gradient(110deg, #edf6ff 0, #d9fbf4 30%, #effcff 49%, #fff 63%, #fff 100%);
}

.hero {
  position: relative;
  padding: 88px 24px 92px;
}

.hero::before {
  position: absolute;
  inset: 34px auto auto 8%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(45, 149, 255, 0.12);
  filter: blur(48px);
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  grid-template-columns: minmax(0, 438px) minmax(520px, 720px);
  gap: 76px;
  max-width: 1320px;
}

.hero-inner > div:first-child {
  padding: 0;
}

.hero-title {
  color: #102530;
  font-size: 54px;
  line-height: 1.15;
}

.hero-title span {
  display: block;
}

.hero-desc {
  color: #4e6570;
}

.primary-button {
  width: 148px;
  height: 52px;
  border-radius: 8px;
  background: linear-gradient(105deg, #18d2bd 0%, #12b9aa 52%, #2f9bff 100%);
  box-shadow:
    0 14px 28px rgba(18, 185, 170, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.primary-button:hover {
  box-shadow:
    0 18px 36px rgba(47, 155, 255, 0.24),
    0 12px 28px rgba(18, 185, 170, 0.24);
}

.showcase-frame {
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(24, 210, 189, 0.34), rgba(47, 155, 255, 0.3)),
    rgba(255, 255, 255, 0.32);
  box-shadow:
    0 32px 78px rgba(28, 137, 195, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.54);
  overflow: hidden;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.showcase-frame img {
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.content-section {
  max-width: 1180px;
  padding-top: 100px;
}

.section-subtitle {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
}

.content-card-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.content-card-list li,
.qa-list details,
.featured-post,
.blog-card {
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 44px rgba(40, 83, 116, 0.1);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.content-card-list li {
  min-height: auto;
  border-radius: 8px;
  padding: 28px 28px 26px;
}

.content-card-title {
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.32;
  overflow-wrap: anywhere;
}

.content-card-body {
  min-height: 0;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.68;
  overflow-wrap: anywhere;
}

.content-card-image {
  width: 100%;
  margin-top: 0;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 18px 36px rgba(30, 117, 168, 0.16);
}

.qa-section {
  max-width: 920px;
  padding: 12px 24px 110px;
}

.qa-section .section-title {
  margin-bottom: 34px;
}

.qa-list {
  gap: 14px;
}

.qa-list details {
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
}

.qa-list summary {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #132833;
  list-style: none;
  padding: 18px 22px;
}

.qa-list summary::-webkit-details-marker {
  display: none;
}

.qa-list summary::after {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-right: 2px solid #12b9aa;
  border-bottom: 2px solid #12b9aa;
  content: "";
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.qa-list details[open] summary::after {
  transform: rotate(225deg);
}

.qa-list p {
  margin: 0;
  color: #526670;
  font-size: 16px;
  line-height: 1.76;
  padding: 0 22px 22px;
}

.section-title,
.content-card-title {
  color: #132833;
}

.section-subtitle,
.content-card-body {
  color: #526670;
}

@media (max-width: 720px) {
  .hero {
    padding: 40px 20px 58px;
  }

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

  .hero-inner > div:first-child {
    padding: 0;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-desc {
    font-size: 17px;
  }

  .showcase-frame,
  .showcase-frame img {
    border-radius: 8px;
  }

  .content-section {
    padding-top: 78px;
  }

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

  .content-card-list li {
    padding: 24px 22px 22px;
  }

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

  .content-card-body {
    margin-bottom: 24px;
    font-size: 15px;
  }

  .qa-section {
    padding-top: 4px;
    padding-bottom: 78px;
  }

  .qa-section .section-title {
    margin-bottom: 24px;
  }

  .qa-list summary {
    min-height: 58px;
    align-items: flex-start;
    padding: 17px 18px;
    font-size: 16px;
    line-height: 1.45;
  }

  .qa-list p {
    padding: 0 18px 18px;
    font-size: 15px;
  }
}