.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  align-items: end;
  gap: 36px;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--color-ink);
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-heading > p {
  max-width: 560px;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.section-code {
  margin-bottom: 8px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
}

.text-link {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 850;
}

.text-link:hover {
  color: var(--color-accent-dark);
}

.route-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .7fr);
  align-items: stretch;
  gap: 16px;
}

.route-notes {
  padding: 24px;
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius-lg);
  color: var(--color-lavender);
  background: var(--color-ink);
  box-shadow: var(--shadow-panel);
}

.route-notes .mono,
.status-copy .mono,
.traffic-pack-panel .mono {
  margin-bottom: 9px;
  color: var(--color-lavender-mid);
  font-size: 11px;
  letter-spacing: .06em;
}

.route-notes h3 {
  margin-bottom: 14px;
  color: var(--color-lavender-light);
  font-size: 22px;
}

.route-notes p {
  color: var(--color-lavender);
  font-size: 13.5px;
}

.route-notes .text-link {
  color: var(--color-lavender-light);
}

.status-panel {
  display: grid;
  grid-template-columns: minmax(250px, .65fr) minmax(0, 1.35fr);
  gap: 16px;
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deep);
}

.status-copy {
  padding: 8px 10px;
}

.status-copy .mono {
  color: var(--color-muted);
}

.status-copy h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.status-copy p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13.5px;
}

.server-status {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 8px;
  min-height: 120px;
}

.srv-row {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto auto;
  min-width: 0;
  min-height: 50px;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.srv-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: var(--radius-pill);
  background: var(--color-success);
  animation: server-pulse 2.4s ease-in-out infinite;
}

.srv-flag {
  display: grid;
  width: 22px;
  height: 16px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-bg);
  font-size: 11px;
}

.srv-name {
  min-width: 0;
  overflow: hidden;
  color: var(--color-text);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.srv-type {
  max-width: 100%;
  padding: 2px 6px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.srv-ms,
.srv-bw {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.feature-section {
  background: var(--color-panel-deep);
}

.feature-terminal {
  overflow: hidden;
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius-lg);
  background: var(--color-ink);
  box-shadow: var(--shadow-panel);
}

.feature-terminal .tab-detail {
  border-radius: 0;
}

.tab-detail p {
  max-width: 760px;
  line-height: 1.75;
}

.feature-fact {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  margin-top: 2px;
  padding: 5px 10px;
  border: 1px solid var(--color-ink-chip-border);
  border-radius: var(--radius-sm);
  color: var(--color-lavender);
  background: var(--color-ink-chip);
  font-size: 12px;
  font-weight: 700;
}

.plan-context {
  min-height: 112px;
  color: var(--color-muted);
  font-size: 13.5px;
}

.traffic-pack-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 16px;
  padding: 24px;
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius-lg);
  color: var(--color-lavender);
  background: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.traffic-pack-panel .mono {
  color: var(--color-lavender-mid);
}

.traffic-pack-panel h3 {
  margin-bottom: 8px;
  color: var(--color-lavender-light);
  font-size: 22px;
}

.traffic-pack-panel p {
  max-width: 850px;
  margin-bottom: 0;
  color: var(--color-lavender);
  font-size: 14px;
}

.traffic-pack-panel .text-link {
  color: var(--color-lavender-light);
  white-space: nowrap;
}

.difference-section {
  background: var(--color-panel);
}

.difference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.difference-grid article {
  position: relative;
  min-width: 0;
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.difference-grid h3 {
  margin: 9px 0 12px;
  font-size: 21px;
}

.difference-grid p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
}

.difference-index {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.home-article-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.home-article-grid .article-card h3 {
  font-size: 17px;
  line-height: 1.45;
}

.section-link-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 18px;
}

@keyframes server-pulse {
  0%,
  100% {
    opacity: .45;
    transform: scale(.84);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 1100px) {
  .route-layout,
  .status-panel {
    grid-template-columns: 1fr;
  }

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

  .plan-context {
    min-height: 0;
  }
}

@media (max-width: 768px) {
  .section-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 14px;
  }

  .route-notes {
    padding: 20px;
  }

  .status-panel {
    padding: 14px;
  }

  .server-status {
    grid-template-columns: 1fr;
  }

  .traffic-pack-panel {
    grid-template-columns: 1fr;
  }

  .difference-grid,
  .home-article-grid {
    grid-template-columns: 1fr;
  }

  .difference-grid article {
    padding: 22px;
  }
}

@media (max-width: 480px) {
  .srv-row {
    grid-template-columns: auto auto minmax(0, 1fr) auto;
  }

  .srv-type {
    display: none;
  }

  .srv-bw {
    grid-column: 3 / -1;
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .srv-dot {
    animation: none;
    opacity: 1;
    transform: none;
  }
}