/* 首页内容段：负责系统流、能力、步骤、平台、安全、下载与云端模块。 */
.home-system-grid {
  position: relative;
  display: grid;
  min-width: 0;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.home-system-item {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 210px;
  flex-direction: column;
  padding: var(--space-5);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper-raised);
}

.home-item-index {
  position: absolute;
  top: 17px;
  right: 17px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.home-item-badge {
  display: block;
  max-width: calc(100% - 42px);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  overflow-wrap: anywhere;
  text-transform: uppercase;
}

.home-item-port {
  display: block;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin: var(--space-5) 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper-raised);
}

.home-system-item h3 {
  margin: auto 0 var(--space-2);
  font-size: 1.12rem;
}

.home-system-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.68;
}

.home-system-item small {
  display: block;
  margin-top: var(--space-4);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.home-tone-dark {
  background: var(--inverse);
  color: var(--inverse-ink);
}

.home-tone-dark .home-item-index,
.home-tone-dark .home-item-badge,
.home-tone-dark p,
.home-tone-dark small {
  color: var(--inverse-muted);
}

.home-tone-dark h3 {
  color: var(--inverse-ink);
}

.home-tone-dark .home-item-port {
  border-color: var(--accent);
  background: var(--accent);
}

.home-tone-accent {
  background: var(--accent-soft);
}

.home-tone-accent .home-item-badge {
  color: var(--accent-text);
}

.home-tone-accent .home-item-port {
  border-color: var(--accent);
  background: var(--accent);
}

.home-tone-planned {
  color: var(--ink-muted);
  outline: 1px dashed var(--line-soft);
  outline-offset: -6px;
}

.home-tone-planned .home-item-port {
  border-color: var(--line-soft);
  background: transparent;
}

.home-layout-workflow {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.home-layout-workflow .home-system-item:nth-child(6) {
  grid-column: span 2;
}

.home-layout-workflow .home-system-item:nth-child(7) {
  grid-column: span 3;
}

.home-layout-workflow .home-system-item:nth-child(n + 6) {
  min-height: 168px;
}

.home-layout-workflow .home-system-item:nth-child(n + 6) .home-item-port {
  display: none;
}

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

.home-layout-capabilities .home-item-port {
  width: 38px;
  height: 3px;
  margin: var(--space-6) 0 var(--space-5);
  border: 0;
  border-radius: 0;
  background: var(--line-strong);
}

.home-layout-capabilities .home-tone-accent .home-item-port {
  background: var(--accent);
}

.home-layout-steps {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.home-layout-steps .home-system-item {
  min-height: 250px;
}

.home-layout-steps .home-item-index {
  position: static;
  order: -3;
  margin-bottom: var(--space-4);
  color: var(--ink);
  font-size: 1.55rem;
  font-weight: 850;
}

.home-layout-steps .home-item-badge {
  order: -2;
}

.home-layout-steps .home-item-port {
  order: -1;
  width: 11px;
  height: 11px;
  margin: var(--space-5) 0;
}

.home-layout-platforms,
.home-layout-downloads {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.home-layout-platforms .home-system-item,
.home-layout-downloads .home-system-item {
  min-height: 190px;
}

.home-layout-platforms .home-item-port,
.home-layout-downloads .home-item-port,
.home-layout-security .home-item-port {
  display: none;
}

.home-layout-platforms .home-system-item h3,
.home-layout-downloads .home-system-item h3,
.home-layout-security .home-system-item h3 {
  margin-top: var(--space-7);
}

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

.home-layout-security .home-system-item {
  min-height: 320px;
}

.home-layout-security .home-item-badge {
  color: var(--accent-text);
}

.home-layout-security .home-tone-dark .home-item-badge {
  color: var(--accent);
}

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

.home-layout-cloud .home-system-item {
  min-height: 180px;
}

.home-layout-cloud .home-item-port {
  position: relative;
  width: 14px;
  height: 14px;
  margin: var(--space-5) 0 var(--space-4);
  border: 0;
  border-radius: 0;
  background: transparent;
}

.home-layout-cloud .home-item-port::before,
.home-layout-cloud .home-item-port::after {
  position: absolute;
  background: var(--accent);
  content: "";
}

.home-layout-cloud .home-item-port::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.home-layout-cloud .home-item-port::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

@media (max-width: 960px) {
  .home-layout-workflow,
  .home-layout-capabilities,
  .home-layout-platforms,
  .home-layout-downloads,
  .home-layout-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .home-layout-workflow .home-system-item:nth-child(6),
  .home-layout-workflow .home-system-item:nth-child(7) {
    grid-column: span 1;
  }
}

@media (max-width: 720px) {
  .home-layout-workflow,
  .home-layout-capabilities,
  .home-layout-steps,
  .home-layout-platforms,
  .home-layout-security,
  .home-layout-downloads,
  .home-layout-cloud {
    grid-template-columns: 1fr;
  }

  .home-system-item,
  .home-layout-steps .home-system-item,
  .home-layout-security .home-system-item {
    min-height: 0;
  }

  .home-system-item h3,
  .home-layout-platforms .home-system-item h3,
  .home-layout-downloads .home-system-item h3,
  .home-layout-security .home-system-item h3 {
    margin-top: var(--space-5);
  }
}