.page-home {
  display: block;
  padding-bottom: var(--space-8);
}

/* ---------- 网格与容器基座 ---------- */
.page-home .bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.page-home .bento > * {
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-home .bento > .span-3 { grid-column: span 3; }
  .page-home .bento > .span-4 { grid-column: span 4; }
  .page-home .bento > .span-5 { grid-column: span 5; }
  .page-home .bento > .span-6 { grid-column: span 6; }
  .page-home .bento > .span-7 { grid-column: span 7; }
  .page-home .bento > .span-8 { grid-column: span 8; }
  .page-home .bento > .span-9 { grid-column: span 9; }
  .page-home .bento > .span-12 { grid-column: span 12; }
}

.page-home .section {
  padding-block: var(--section-y);
}

.page-home .section--lg {
  padding-block: var(--section-y-lg);
}

.page-home .section--tight {
  padding-block: var(--space-6);
}

.page-home .section-head {
  margin-bottom: var(--space-4);
}

.page-home .section-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-home .section-note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin: 0;
  line-height: 1.6;
}

/* ---------- 页面上下文行 ---------- */
.page-home .home-context {
  padding-top: var(--space-4);
}

.page-home .home-context-line {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-home .hero-bento {
  align-items: stretch;
}

.page-home .hero-focus {
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  padding: var(--space-6) var(--space-4);
  min-height: 340px;
  box-shadow: var(--shadow-2);
  isolation: isolate;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 0;
}

.page-home .hero-scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  z-index: 1;
}

.page-home .hero-body {
  position: relative;
  z-index: 2;
  max-width: var(--measure);
}

.page-home .hero-kicker {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-home .hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-3);
}

.page-home .hero-lead {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
  margin: 0;
  max-width: 46ch;
}

.page-home .hero-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-1);
}

.page-home .hero-side-label {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  margin: 0;
  color: var(--color-accent-ink);
  opacity: 0.78;
}

.page-home .hero-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-home .hero-side-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-bottom: var(--space-1);
}

.page-home .hero-side-link {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-accent-ink);
  text-decoration: none;
}

.page-home .hero-side-link:hover,
.page-home .hero-side-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.page-home .hero-side-path {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-accent-ink) 68%, transparent);
}

.page-home .hero-side-foot {
  margin: auto 0 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-accent-ink) 82%, transparent);
}

/* ---------- 关键数字条 ---------- */
.page-home .hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

@media (min-width: 720px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gutter);
  }
}

.page-home .home-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-1);
}

.page-home .home-stat-figure {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.page-home .home-stat-label {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .home-stat-note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 换设备重新登录 ---------- */
.page-home .relogin-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-home .relogin-figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.page-home .figure-caption {
  position: absolute;
  left: var(--space-2);
  bottom: var(--space-2);
  background: var(--color-surface-deep);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.page-home .relogin-body {
  display: flex;
  flex-direction: column;
}

.page-home .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-home .step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.page-home .step::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-2);
  bottom: var(--space-2);
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-home .step-index {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-home .step-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-ink);
}

.page-home .step-device {
  background: var(--color-surface-deep);
  color: var(--color-ink-soft);
}

.page-home .relogin-tail {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .inline-link {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.page-home .inline-link:hover,
.page-home .inline-link:focus-visible {
  color: var(--color-focus);
}

/* ---------- 呼吸区 ---------- */
.page-home .breath {
  padding-block: var(--space-4);
}

.page-home .breath-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
  padding-left: var(--space-3);
  position: relative;
}

.page-home .breath-text::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  bottom: 0.45em;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

/* ---------- 案例归档 ---------- */
.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.page-home .filter-btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: 6px var(--space-2);
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background-color 180ms linear, color 180ms linear;
}

.page-home .filter-btn:hover {
  color: var(--color-ink);
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-home .case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-home .case-item {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  padding-left: var(--space-4);
  box-shadow: var(--shadow-1);
  transition: opacity 180ms linear, transform 180ms linear;
}

.page-home .case-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-2);
  bottom: var(--space-2);
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.page-home .case-item[data-filtered="out"] {
  opacity: 0.55;
  transform: scale(0.985);
}

.page-home .case-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.page-home .case-week {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
  font-weight: var(--weight-heading);
}

.page-home .case-stage {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .case-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-home .case-text {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
}

.page-home .tag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.page-home .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

.page-home .tag--mono {
  font-family: var(--font-mono);
  background: var(--color-surface-deep);
  color: var(--color-ink-soft);
}

.page-home .tag-version {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 4px 10px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-highlight);
  color: var(--color-ink);
  cursor: pointer;
  transition: background-color 180ms linear, color 180ms linear;
}

.page-home .tag-version:hover,
.page-home .tag-version:focus-visible {
  background: var(--color-focus);
  color: var(--color-accent-ink);
}

.page-home .tag-version[data-copied="true"] {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-home .tag-version[data-copied="true"]::after {
  content: " 已标注";
}

.page-home .case-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-self: start;
}

.page-home .case-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-home .case-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .case-aside-note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 服务收藏 ---------- */
.page-home .fav-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-home .fav-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
}

.page-home .fav-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
}

.page-home .fav-card--lead {
  background: var(--color-primary-soft);
}

.page-home .fav-card--soft {
  background: var(--color-highlight);
}

.page-home .fav-card--deep {
  background: var(--color-surface-deep);
  box-shadow: none;
}

.page-home .card-corner-tag {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-home .card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 0;
}

.page-home .card-text {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
}

.page-home .fav-note {
  margin: auto 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 栏目索引 ---------- */
.page-home .index-bento {
  align-items: start;
}

.page-home .index-intro {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.page-home .index-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-2);
}

.page-home .index-text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-home .index-note {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
}

@media (min-width: 640px) {
  .page-home .index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-home .index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .index-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  text-decoration: none;
  transition: background-color 180ms linear;
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  background: var(--color-primary-soft);
}

.page-home .index-link-name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .index-link-path {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 按钮 ---------- */
.page-home .btn {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  text-decoration: none;
}

.page-home .btn--ghost {
  background: var(--color-surface-alt);
  color: var(--color-ink);
}

.page-home .btn--ghost:hover,
.page-home .btn--ghost:focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 899px) {
  .page-home .hero-focus {
    padding: var(--space-4) var(--space-3);
  }

  .page-home .step {
    grid-template-columns: auto 1fr;
  }

  .page-home .step-device {
    grid-column: 2;
    justify-self: start;
  }

  .page-home .fav-figure img {
    max-height: 220px;
  }
}

@media (max-width: 520px) {
  .page-home .hero-stats {
    gap: var(--space-2);
  }

  .page-home .home-stat-figure {
    font-size: var(--text-3xl);
  }

  .page-home .case-item {
    padding-left: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .case-item,
  .page-home .filter-btn,
  .page-home .tag-version,
  .page-home .index-link {
    transition: opacity 180ms linear;
  }

  .page-home .case-item[data-filtered="out"] {
    transform: none;
  }
}