.detail-page :focus-visible {
  outline: 3px solid #168aca;
  outline-offset: 5px;
}

.detail-container {
  width: min(100% - 84px, 1236px);
  margin-inline: auto;
}

.detail-hero {
  color: #fff;
  background: radial-gradient(ellipse at 80% 35%, #124568 0%, transparent 54%), #071a3d;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-top: 30px;
  color: #adbed6;
  font-size: 13px;
}

.breadcrumb [aria-current] {
  color: #dceaff;
}

.campus-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: center;
  gap: 100px;
  padding-block: 62px 76px;
}

.detail-hero .section-kicker {
  color: #85dff2;
}

.detail-hero h1 {
  margin: 0;
  font-size: clamp(38px, 4.6vw, 64px);
  line-height: 1.3;
  letter-spacing: -0.035em;
}

.detail-hero h1 em {
  color: #71e1f5;
  font-style: normal;
}

.detail-lead {
  max-width: 680px;
  margin: 28px 0;
  color: #b9cce3;
  font-size: 18px;
  line-height: 1.95;
}

.detail-lead strong {
  color: #fff;
  font-weight: 500;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.detail-text-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding-block: 10px;
  color: #bfefff;
  font-size: 15px;
}

.detail-text-link:hover {
  color: #fff;
}

.portal-access {
  padding: 26px 24px 6px;
  color: var(--ink);
  text-align: center;
  background: #fff;
  border: 1px solid #dbeef6;
  border-radius: 18px;
  box-shadow: 0 24px 70px #020e2659;
}

.access-label {
  margin: 0 0 6px;
  color: #47768f;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.portal-access h2 {
  margin: 0;
  font-size: 24px;
}

.portal-qr {
  display: block;
  width: 100%;
  height: auto;
}

.detail-section {
  padding-block: 82px;
  scroll-margin-top: 36px;
}

.portal-preview {
  background: linear-gradient(#f1f7fc, #fff);
}

.detail-section-heading {
  margin-bottom: 46px;
}

.detail-section-heading .section-kicker {
  margin-bottom: 12px;
}

.detail-section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.4;
}

.phone-example p {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.detail-section-heading > p:last-child {
  margin: 14px 0 0;
  color: var(--muted);
}

.phone-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
}

.phone-example {
  min-width: 0;
  margin: 0;
  text-align: center;
}

.example-number {
  color: #2176c2;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.phone-example h3 {
  margin: 6px 0;
  font-size: 22px;
}

.phone-frame {
  width: min(100%, 288px);
  margin: auto;
  padding: 7px;
  overflow: hidden;
  background: #e0eaf5;
  border: 1px solid #cedcee;
  border-radius: 28px;
  box-shadow: 0 18px 36px #12356412;
}

.phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 21px;
}

.music-hero {
  padding-bottom: 54px;
  background: radial-gradient(ellipse at 90% 0%, #164f59 0%, transparent 60%), #071a2e;
}

.music-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: end;
  gap: 80px;
  padding-block: 56px 44px;
}

.music-intro-description .detail-lead {
  margin-top: 0;
  margin-bottom: 12px;
}

.music-demo {
  margin: 0;
  overflow: hidden;
  background: #03121f;
  border: 1px solid #ffffff29;
  border-radius: 14px;
}

.music-demo video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #03121f;
}

.music-demo figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  color: #adc9d4;
  font-size: 13px;
}

.music-demo figcaption > span {
  color: #80dfdb;
}

.music-demo figcaption a {
  margin-left: auto;
  color: #d2f4f2;
}

.breadcrumb a:hover {
  color: #fff;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 64px;
}

.course-item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 24px;
  padding-block: 34px;
  border-top: 1px solid var(--line);
}

.course-share {
  position: relative;
  display: grid;
  width: 104px;
  aspect-ratio: 1;
  place-items: center;
  align-self: start;
  color: #2a8588;
  background: conic-gradient(#58b3a5 var(--course-share), #e0f3ee 0);
  border-radius: 50%;
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
}

.course-share::before {
  position: absolute;
  inset: 8px;
  content: "";
  background: #fff;
  border-radius: 50%;
}

.course-share-value {
  position: relative;
}

.course-share small {
  margin-left: 2px;
  font-size: 16px;
}

.course-share-forty {
  --course-share: 40%;
}

.course-share-thirty-five {
  --course-share: 35%;
}

.course-share-fifteen {
  --course-share: 15%;
}

.course-share-ten {
  --course-share: 10%;
}

.course-item .course-label {
  margin: 0;
  color: #2e797f;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.course-item h3 {
  margin: 6px 0 14px;
  font-size: 24px;
}

.course-item p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.detail-return {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  padding-block: 28px 40px;
  color: #23558f;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.detail-return a:hover {
  text-decoration: underline;
}

.music-demo figcaption a:hover {
  text-decoration: underline;
}

@media (width <= 1000px) {
  .campus-intro {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
  }

  .phone-gallery {
    gap: 24px;
  }

  .music-intro {
    gap: 32px;
  }

  .course-grid {
    gap: 0 32px;
  }
}

@media (width <= 760px) {
  .detail-container {
    width: calc(100% - 44px);
  }

  .breadcrumb {
    gap: 8px;
    font-size: 12px;
  }

  .campus-intro,
  .music-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
    padding-block: 42px;
  }

  .detail-lead {
    font-size: 16px;
  }

  .portal-access {
    width: min(100%, 320px);
    justify-self: center;
  }

  .detail-section {
    padding-block: 56px;
  }

  .phone-gallery,
  .course-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .phone-gallery {
    gap: 44px;
  }

  .music-intro-description .detail-lead {
    max-width: 520px;
  }

  .music-demo figcaption {
    gap: 10px;
    padding: 14px;
  }

  .course-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 18px;
  }

  .course-share {
    width: 76px;
    font-size: 26px;
  }

  .course-share::before {
    inset: 6px;
  }

  .course-share small {
    font-size: 12px;
  }
}