.arch-principle-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-slow);
}

.arch-principle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.arch-principle-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(15,76,129,0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.arch-principle-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.arch-principle-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.arch-diagram__container {
  position: relative;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--spacing-2xl);
  overflow: hidden;
}

.arch-diagram__layers {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.arch-layer {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-slow);
}

.arch-layer:hover,
.arch-layer.is-hovered {
  border-color: var(--color-primary);
  background: rgba(15,76,129,0.05);
  transform: scale(1.01);
}

.arch-layer--core {
  border: 2px solid var(--color-primary);
  background: rgba(15,76,129,0.08);
}

.arch-layer--core:hover,
.arch-layer--core.is-hovered {
  background: rgba(15,76,129,0.12);
}

.arch-layer__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  min-width: 120px;
  white-space: nowrap;
}

.arch-layer__icons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.arch-layer__icon-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.arch-layer__icon-item svg {
  color: var(--color-text-secondary);
}

.arch-diagram__tooltip {
  position: absolute;
  max-width: 360px;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal);
  pointer-events: none;
  z-index: var(--z-tooltip);
}

.arch-detail__layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-2xl);
}

.arch-detail__nav {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-xl));
  align-self: start;
}

.arch-detail__nav-btn {
  display: block;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  text-align: left;
  transition: all var(--transition-normal);
  margin-bottom: var(--spacing-xs);
  cursor: pointer;
}

.arch-detail__nav-btn:hover,
.arch-detail__nav-btn.is-active {
  color: var(--color-primary);
  background: rgba(15,76,129,0.08);
}

.arch-detail__panel {
  display: none;
}

.arch-detail__panel.is-active {
  display: block;
}

.arch-detail__panel h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.arch-detail__value {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: rgba(15,76,129,0.05);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.arch-detail__tech {
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.arch-detail__tech h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.arch-detail__tech p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.arch-support-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  border: 1px solid var(--color-border);
}

.arch-support-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.arch-support-card__flow {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.arch-support-card__step {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-primary);
}

.arch-support-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.arch-support-card__tags span {
  padding: 0.3rem 0.75rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.arch-support-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.arch-support-card__list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding-left: var(--spacing-lg);
  position: relative;
}

.arch-support-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.arch-support-card__case {
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.arch-support-card__case p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xs);
}

.security-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-2xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
}

.security-item:hover {
  background: rgba(15,76,129,0.05);
}

.security-item__icon {
  width: 48px;
  height: 48px;
  background: rgba(15,76,129,0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.security-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

@media (max-width: 1023px) {
  .arch-detail__layout {
    grid-template-columns: 1fr;
  }
  .arch-detail__nav {
    position: static;
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
  }
  .arch-detail__nav-btn {
    white-space: nowrap;
    width: auto;
  }
  .arch-layer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  .arch-layer__icons {
    flex-wrap: wrap;
  }
}

@media (max-width: 767px) {
  .arch-diagram__container {
    padding: var(--spacing-md);
  }
  .arch-layer {
    padding: var(--spacing-md);
  }
  .arch-layer__label {
    min-width: auto;
  }
}