.detail-page {
  padding: 128px 0 88px;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 28%),
    radial-gradient(circle at bottom left, rgba(20, 184, 166, 0.08), transparent 32%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

.detail-main {
  min-width: 0;
  display: grid;
  gap: 24px;
}

.detail-breadcrumb {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  color: #64748b;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
}

.detail-breadcrumb a {
  color: #475569;
}

.detail-breadcrumb .current {
  color: #1e293b;
}

.detail-hero-card,
.detail-card,
.rail-card,
.not-found-card {
  border-radius: 32px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.detail-hero-card {
  padding: 34px;
}

.detail-heading {
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.detail-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 26px;
}

.detail-hero-copy {
  min-width: 0;
  max-width: none;
  width: min(100%, 860px);
  margin: 0 auto;
  text-align: center;
}

.detail-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(186, 230, 253, 0.9);
  background: rgba(255, 255, 255, 0.88);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.detail-title {
  margin: 18px 0 0;
  max-width: none;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 700;
}

.detail-title span {
  display: block;
  margin-top: 14px;
  max-width: none;
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.16;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #0ea5e9 0%, #475569 55%, #0f172a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.detail-summary {
  margin: 0;
  max-width: 72ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
  text-align: left;
}

html[lang="zh-CN"] .detail-summary {
  text-indent: 2em;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  max-width: none;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.detail-visual-wrap {
  display: flex;
  justify-content: stretch;
  align-items: flex-start;
}

.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.94);
  color: #475569;
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-size: 14px;
  font-weight: 600;
  transition: background-color .2s ease, color .2s ease;
}

.btn-light:hover {
  background: white;
  color: var(--text);
}

.detail-visual {
  position: relative;
  overflow: hidden;
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  background: linear-gradient(180deg, #eef8ff 0%, #ffffff 100%);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.12);
}

.detail-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .08;
  background-image:
    linear-gradient(rgba(255,255,255,.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.28) 1px, transparent 1px);
  background-size: 18px 18px;
  z-index: 1;
}

.detail-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.02) 0%, rgba(15,23,42,.12) 100%);
}

.detail-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.detail-media-chip,
.detail-media-meta {
  position: absolute;
  z-index: 2;
}

.detail-media-chip {
  left: 16px;
  top: 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.88);
  padding: 6px 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid rgba(15,23,42,.05);
}

.detail-media-meta {
  left: 18px;
  right: 18px;
  bottom: 18px;
}

.detail-media-label {
  color: rgba(255,255,255,.76);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.detail-media-title {
  margin-top: 4px;
  color: white;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.detail-card {
  padding: 30px;
}

.section-title {
  margin: 16px 0 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.detail-card > .section-title:first-child,
.rail-card > .section-title:first-child {
  margin-top: 0;
}

.section-copy {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.section-question {
  color: var(--text-primary);
  font-weight: 700;
}

.overview-visual {
  margin-top: 22px;
}

.overview-visual-frame {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(245, 158, 11, 0.18);
  background:
    radial-gradient(circle at top right, rgba(250, 204, 21, 0.14), transparent 38%),
    linear-gradient(180deg, rgba(255, 251, 235, 0.96) 0%, rgba(255, 255, 255, 0.98) 100%);
  box-shadow:
    0 24px 48px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  padding: 16px;
}

.overview-visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.highlight-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.material-profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.material-profile-card {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 100%;
  padding: 24px 22px;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 251, 255, 0.94) 100%);
  box-shadow:
    0 22px 44px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.material-profile-visual {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(186, 230, 253, 0.48);
  background:
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.1), transparent 36%),
    linear-gradient(180deg, rgba(244, 248, 252, 0.92) 0%, rgba(255, 255, 255, 0.98) 100%);
  aspect-ratio: 1.34 / 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.material-profile-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.01);
}

.material-profile-head {
  display: grid;
  gap: 8px;
}

.material-profile-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(186, 230, 253, 0.88);
  background: rgba(255, 255, 255, 0.92);
  color: #475569;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.material-profile-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 24px;
  line-height: 1.24;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.material-profile-copy,
.material-profile-app-copy {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.material-profile-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.16) 0%, rgba(148, 163, 184, 0.44) 50%, rgba(148, 163, 184, 0.16) 100%);
}

.material-profile-app-label {
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.highlight-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px 18px;
  border-radius: 22px;
  background: #f8fbff;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.highlight-index {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #0f172a;
  color: white;
  font-size: 12px;
  font-weight: 700;
}

.spec-grid,
.application-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.spec-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.spec-visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.application-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.spec-card,
.application-card {
  padding: 22px;
  border-radius: 24px;
  background: #f8fbff;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.spec-visual-card {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.12), transparent 34%),
    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1), transparent 38%),
    linear-gradient(180deg, rgba(246, 250, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 100%);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.spec-visual-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 27px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78) 0%, rgba(255, 255, 255, 0.28) 100%);
  opacity: 0.68;
  pointer-events: none;
}

.spec-visual-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.28);
  box-shadow: 0 24px 52px rgba(15, 23, 42, 0.12);
}

.spec-visual-frame,
.spec-visual-meta {
  position: relative;
  z-index: 1;
}

.spec-visual-frame {
  overflow: hidden;
  border-radius: 22px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 247, 255, 0.96) 100%);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.spec-visual-sheen {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.72), transparent 36%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.4), transparent 54%);
  pointer-events: none;
  z-index: 1;
}

.spec-visual-frame img {
  position: relative;
  z-index: 0;
  width: 100%;
  display: block;
  border-radius: 18px;
  background: #fff;
  transition: transform 0.42s ease, filter 0.42s ease;
}

.spec-visual-card:hover .spec-visual-frame img {
  transform: scale(1.018);
  filter: saturate(1.02) contrast(1.01);
}

.spec-visual-chip {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.18);
  color: #64748b;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.spec-visual-meta {
  margin-top: 16px;
}

.spec-visual-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.spec-visual-meta .spec-note {
  margin-top: 10px;
}

.spec-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.spec-value {
  margin-top: 12px;
  font-size: 24px;
  line-height: 1.18;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.spec-note,
.application-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.application-card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.detail-rail {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 16px;
  padding-top: 36px;
}

.rail-card {
  padding: 24px;
}

.rail-facts,
.rail-links {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.rail-fact {
  padding: 14px 16px;
  border-radius: 20px;
  background: #f8fbff;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.rail-fact span {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.rail-fact strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  line-height: 1.24;
  letter-spacing: -0.03em;
}

.rail-link {
  padding: 12px 14px;
  border-radius: 18px;
  background: #f8fbff;
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: #475569;
  font-size: 14px;
  line-height: 1.6;
  transition: background-color .2s ease, color .2s ease;
}

.rail-link:hover {
  background: #eef7ff;
  color: var(--text);
}

.not-found-card {
  padding: 32px;
}

.not-found-card h1 {
  margin: 20px 0 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.not-found-card p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.program-hero-card {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 28px;
  padding: 34px;
  border-radius: 34px;
  border: 1px solid rgba(191, 219, 254, 0.46);
  background:
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(245, 249, 255, 0.96) 100%);
  box-shadow:
    0 28px 60px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.program-hero-copy {
  display: grid;
  align-content: start;
  gap: 18px;
}

.program-hero-title {
  max-width: 12ch;
}

.program-summary {
  max-width: 60ch;
}

.program-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.program-chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(191, 219, 254, 0.68);
  background: rgba(239, 246, 255, 0.92);
  color: #31527f;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.program-hero-visual {
  display: grid;
  align-content: center;
}

.program-visual-frame {
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(191, 219, 254, 0.52);
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.08), transparent 30%),
    rgba(255, 255, 255, 0.92);
  box-shadow:
    0 24px 46px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.program-visual-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.program-lead {
  max-width: 70ch;
}

.program-pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.program-pillar,
.program-step,
.program-fit-card,
.program-side-card {
  border-radius: 28px;
  border: 1px solid rgba(203, 213, 225, 0.68);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 250, 255, 0.96) 100%);
  box-shadow:
    0 18px 36px rgba(15, 23, 42, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.program-pillar {
  padding: 24px 22px;
}

.program-pillar-index,
.program-step-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: #5c7ea8;
  text-transform: uppercase;
}

.program-pillar h3,
.program-step h3,
.program-fit-card h3 {
  margin: 12px 0 0;
  font-size: 22px;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.program-pillar p,
.program-step p,
.program-fit-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.78;
}

.program-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.program-step {
  padding: 22px 18px;
}

.program-fit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.program-fit-card {
  padding: 24px 22px;
}

.program-side-card {
  padding: 24px 22px;
}

.program-side-card + .program-side-card {
  margin-top: 16px;
}

.program-side-card--accent {
  border-color: rgba(147, 197, 253, 0.8);
  background:
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(241, 248, 255, 0.96) 100%);
}

.program-side-facts {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.program-side-fact {
  display: grid;
  gap: 6px;
}

.program-side-fact span {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #6f89ab;
  text-transform: uppercase;
}

.program-side-fact strong {
  font-size: 18px;
  color: var(--text);
}

.program-side-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.program-side-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.72;
}

.program-side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #60a5fa;
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.12);
}

.program-side-cta {
  width: 100%;
  margin-top: 18px;
}

@media (max-width: 1100px) {
  .detail-layout,
  .detail-hero-grid,
  .application-grid {
    grid-template-columns: 1fr;
  }

  .detail-visual-wrap {
    justify-content: stretch;
  }

  .detail-visual {
    width: 100%;
  }

  .spec-grid {
    grid-template-columns: 1fr 1fr;
  }

  .spec-visual-grid {
    grid-template-columns: 1fr;
  }

  .material-profile-grid {
    grid-template-columns: 1fr;
  }

  .program-hero-card,
  .program-pillar-grid,
  .program-flow,
  .program-fit-grid {
    grid-template-columns: 1fr;
  }

  .detail-rail {
    position: static;
    padding-top: 0;
  }
}

@media (max-width: 720px) {
  .detail-page {
    padding-top: 116px;
  }

  .detail-hero-card,
  .detail-card,
  .rail-card,
  .not-found-card {
    padding: 24px;
  }

  .detail-title {
    font-size: 38px;
    line-height: 1.02;
  }

  .detail-title span {
    font-size: 18px;
    margin-top: 12px;
  }

  .detail-summary {
    font-size: 15px;
    line-height: 1.78;
  }

  .detail-breadcrumb {
    font-size: 13px;
  }

  .detail-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .detail-actions .btn-dark,
  .detail-actions .btn-light {
    width: 100%;
  }

  .detail-hero-grid {
    gap: 22px;
  }

  .detail-visual {
    width: 100%;
  }
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .spec-visual-card {
    padding: 16px;
    border-radius: 24px;
  }

  .spec-visual-frame {
    padding: 12px;
    border-radius: 18px;
  }

  .spec-visual-title {
    font-size: 20px;
  }

  .material-profile-card {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .material-profile-title {
    font-size: 22px;
  }

  .program-hero-card,
  .program-pillar,
  .program-step,
  .program-fit-card,
  .program-side-card {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .program-pillar h3,
  .program-step h3,
  .program-fit-card h3 {
    font-size: 20px;
  }
}