.guide-hero {
  padding-top: clamp(58px, 8vw, 104px);
  padding-bottom: clamp(62px, 8vw, 108px);
}

.guide-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.78fr);
  align-items: center;
  gap: clamp(34px, 6vw, 82px);
}

.guide-hero-copy {
  min-width: 0;
}

.guide-hero-copy h1 {
  max-width: 720px;
}

.guide-hero-copy .lead {
  margin-top: 25px;
}

.guide-hero-actions {
  margin-top: 28px;
}

.guide-facts {
  margin-top: 26px;
  padding-top: 19px;
  border-top: 1px solid var(--color-border-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 11px 18px;
  color: var(--color-muted);
  font-size: 0.78rem;
}

.guide-facts span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.guide-route-panel {
  min-width: 0;
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, var(--color-sky-glow), transparent 34%),
    var(--color-white-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.guide-route-bar {
  min-height: 52px;
  padding-inline: 18px;
  border-bottom: 1px solid var(--color-border-soft);
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--color-white-strong);
}

.guide-route-title {
  margin-left: auto;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.guide-route-body {
  position: relative;
  padding: 26px;
  display: grid;
  gap: 11px;
}

.guide-route-line {
  position: absolute;
  top: 50px;
  bottom: 50px;
  left: 47px;
  width: 1px;
  border-left: 1px dashed var(--color-border);
}

.guide-route-item {
  position: relative;
  z-index: 1;
  min-height: 62px;
  padding: 11px 14px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  background: var(--color-white-strong);
}

.guide-route-item.is-complete {
  border-color: var(--color-border);
  background: var(--color-cyan-soft);
}

.guide-route-item.is-current {
  border-color: var(--color-warn-line);
  background: var(--color-warn-soft);
  transform: translateX(-8px);
}

.guide-route-node {
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  color: var(--color-accent-dark);
  background: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.is-current .guide-route-node {
  border-color: var(--color-warn-line);
  color: var(--color-warn);
}

.guide-route-item strong,
.guide-route-item small {
  display: block;
}

.guide-route-item strong {
  font-size: 0.86rem;
}

.guide-route-item small {
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 0.67rem;
}

.guide-content {
  border-top: 1px solid var(--color-border-soft);
  background: var(--color-white-glass);
}

.guide-reading-shell {
  display: grid;
  gap: 32px;
}

.guide-reading-shell > .toc-tabs {
  align-self: start;
}

.guide-intro,
.guide-article,
.guide-finish {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
}

.guide-intro {
  color: var(--color-muted);
}

.guide-intro p {
  line-height: 1.85;
}

.guide-intro a,
.guide-step a:not(.button) {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
}

.guide-article {
  display: grid;
  gap: 22px;
}

.guide-step {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-xl);
  background: var(--color-white-strong);
  scroll-margin-top: var(--toc-offset);
}

.guide-step-heading {
  margin-bottom: 25px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-border-soft);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 16px;
}

.guide-step-label {
  min-width: 56px;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  background: var(--color-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 700;
  white-space: nowrap;
}

.guide-step-kicker {
  margin: 1px 0 7px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.guide-step h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
}

.guide-step > p,
.platform-guide p {
  color: var(--color-muted);
  line-height: 1.88;
}

.guide-step > p:last-of-type {
  margin-bottom: 0;
}

.guide-inline-actions {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-guide-grid {
  margin: 28px 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.platform-guide {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-cyan-glass);
}

.platform-guide-title {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.platform-guide-title h3 {
  margin: 0;
  font-size: 1.05rem;
}

.platform-guide-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--color-accent-dark);
  background: var(--color-white-strong);
}

.platform-guide-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.platform-guide p {
  margin-bottom: 0;
  font-size: 0.88rem;
}

.guide-step code {
  padding: 3px 7px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-xs);
  color: var(--color-accent-dark);
  background: var(--color-panel-alt);
  font-size: 0.82em;
}

.guide-finish {
  padding: clamp(26px, 5vw, 44px);
  border: 1px solid var(--color-warn-line);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 30px;
  background:
    radial-gradient(circle at 88% 8%, var(--color-sky-glow), transparent 34%),
    var(--color-white-strong);
}

.guide-finish h2 {
  margin-bottom: 12px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.guide-finish p:not(.kicker) {
  max-width: 610px;
  margin-bottom: 0;
  color: var(--color-muted);
}

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

  .guide-route-panel {
    width: min(620px, 100%);
  }

  .guide-finish {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 640px) {
  .guide-hero {
    padding-top: 44px;
    padding-bottom: 62px;
  }

  .guide-facts {
    display: grid;
  }

  .guide-route-body {
    padding: 16px;
  }

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

  .guide-route-item {
    padding-inline: 10px;
  }

  .guide-route-item.is-current {
    transform: none;
  }

  .guide-reading-shell {
    gap: 24px;
  }

  .guide-step {
    padding: 22px 18px;
    border-radius: var(--radius-lg);
  }

  .guide-step-heading {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .guide-step-label {
    width: fit-content;
  }

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

  .platform-guide {
    padding: 18px;
  }

  .guide-inline-actions .button,
  .guide-finish .button {
    flex: 1 1 150px;
  }
}