.guide-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(64px, 9vw, 112px);
  padding-bottom: clamp(58px, 8vw, 96px);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-canvas);
}

.guide-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-mesh) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-mesh) 1px, transparent 1px);
  background-size: 36px 36px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, var(--color-text), transparent);
  opacity: 0.45;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, var(--color-text), transparent);
}

.guide-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  align-items: center;
  gap: clamp(36px, 7vw, 88px);
}

.guide-hero-copy {
  max-width: 690px;
}

.guide-hero-copy h1 {
  max-width: 680px;
  margin-bottom: 22px;
}

.guide-lead {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--color-text-muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.8;
}

.guide-route {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-dark-edge);
  border-radius: var(--radius-panel);
  background: var(--color-ink-panel);
  color: var(--color-dark-text);
  box-shadow: var(--shadow-float);
}

.guide-route::before {
  position: absolute;
  top: 77px;
  bottom: 46px;
  left: clamp(45px, 6vw, 65px);
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(var(--color-trunk-start), var(--color-trunk-end));
  content: "";
  opacity: 0.8;
}

.guide-route-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-dark-line);
}

.guide-route-head span {
  color: var(--color-dark-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.guide-route-head strong {
  color: var(--color-dark-text);
  font-size: 14px;
}

.guide-route-list {
  position: relative;
  display: grid;
  gap: 17px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-route-list li {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  margin: 0;
}

.guide-route-list li > div {
  padding: 13px 16px;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-medium);
  background: var(--color-ink-panel);
}

.guide-route-list strong,
.guide-route-list span {
  display: block;
}

.guide-route-list strong {
  color: var(--color-dark-text);
  font-size: 15px;
}

.guide-route-list li > div span {
  margin-top: 2px;
  color: var(--color-dark-muted);
  font-size: 12px;
}

.guide-route-index {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-ink-panel);
  color: var(--color-dark-text);
  font-family: var(--font-mono);
  font-size: 11px;
  box-shadow: 0 0 18px var(--glow-node);
}

.guide-toc {
  margin-bottom: 28px;
}

.guide-platform-note {
  margin-bottom: 0;
}

.guide-section {
  border-top: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 18px);
}

.guide-section:first-of-type {
  border-top: 0;
}

.step-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 22px;
  margin-bottom: 28px;
}

.step-heading h2,
.step-heading .eyebrow {
  margin-bottom: 0;
}

.step-heading .eyebrow {
  margin-bottom: 8px;
}

.step-number {
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-medium);
  background: linear-gradient(135deg, var(--color-trunk-start), var(--color-trunk-end));
  color: var(--color-button-text);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 750;
  box-shadow: 0 12px 28px -16px var(--glow-node);
}

.guide-check-grid {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.guide-check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 15px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-canvas);
}

.guide-check-item strong {
  display: block;
}

.guide-check-item p {
  margin: 3px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.guide-check-mark {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
}

.step-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}

.step-next span {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.step-next a {
  color: var(--color-accent-deep);
  font-weight: 750;
  text-align: right;
}

.mode-compare {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 34px 0;
}

.mode-compare > div {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-canvas);
}

.mode-compare strong {
  display: block;
  margin-bottom: 6px;
}

.mode-compare p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.verify-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}

.verify-board > div {
  position: relative;
  padding: 22px 22px 22px 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-canvas);
}

.verify-board strong {
  display: block;
}

.verify-board p {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.verify-dot {
  position: absolute;
  top: 28px;
  left: 22px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-success);
  box-shadow: 0 0 12px var(--glow-exit);
}

.guide-end-actions {
  margin-top: 34px;
}

@media (max-width: 900px) {
  .guide-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-hero-copy {
    max-width: var(--reading-width);
  }

  .guide-route {
    max-width: 680px;
  }
}

@media (max-width: 700px) {
  .mode-compare {
    grid-template-columns: minmax(0, 1fr);
  }

  .verify-board {
    grid-template-columns: minmax(0, 1fr);
  }

  .step-next {
    align-items: flex-start;
    flex-direction: column;
  }

  .step-next a {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .guide-route {
    padding: 22px 18px;
    border-radius: var(--radius-large);
  }

  .guide-route::before {
    left: 37px;
  }

  .guide-route-list li {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
  }

  .guide-route-list li > div {
    padding: 11px 13px;
  }

  .guide-route-index {
    width: 36px;
    height: 36px;
  }

  .step-heading {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .step-number {
    width: 48px;
    height: 48px;
  }

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

  .guide-end-actions .button {
    width: 100%;
  }
}