.page-home {
  --home-gap: clamp(20px, 4vw, 56px);
  --home-cell: 64px;
  --home-shadow-hover: 8px 8px 0 rgba(14, 27, 46, 0.1);
  display: block;
  background-color: var(--c-paper);
}

.page-home .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-home .section {
  scroll-margin-top: calc(var(--header-h) + 64px);
}

/* ---------- 顶部上下文 ---------- */
.page-home .home-context {
  border-bottom: 1px solid var(--rule);
  background-color: var(--c-paper);
}

.page-home .home-context__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-home .home-context__crumb {
  margin: 0;
  font-size: var(--fs-index);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-ink-2);
}

.page-home .home-context__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 5vw, 76px) 0 clamp(44px, 6vw, 88px);
  border-bottom: 1px solid var(--rule);
  background-color: var(--c-paper);
  background-image:
    linear-gradient(to right, var(--rule-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-soft) 1px, transparent 1px);
  background-size: var(--home-cell) var(--home-cell);
}

.page-home .home-hero__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.page-home .home-hero__corner--tl {
  top: 20px;
  left: 20px;
  border-top: 2px solid var(--c-burnt);
  border-left: 2px solid var(--c-burnt);
}

.page-home .home-hero__corner--tr {
  top: 20px;
  right: 20px;
  border-top: 2px solid var(--c-burnt);
  border-right: 2px solid var(--c-burnt);
}

.page-home .home-hero__corner--bl {
  bottom: 20px;
  left: 20px;
  border-bottom: 2px solid var(--c-burnt);
  border-left: 2px solid var(--c-burnt);
}

.page-home .home-hero__corner--br {
  bottom: 20px;
  right: 20px;
  border-bottom: 2px solid var(--c-burnt);
  border-right: 2px solid var(--c-burnt);
}

.page-home .home-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-home .home-hero__lead {
  min-width: 0;
}

.page-home .home-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-size: var(--fs-index);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-burnt);
  text-transform: uppercase;
}

.page-home .home-hero__eyebrow .num {
  padding: 3px 7px;
  background-color: var(--c-ink);
  color: var(--c-paper);
  letter-spacing: 0.12em;
}

.page-home .home-hero__title {
  margin: 0 0 clamp(18px, 2.4vw, 30px);
  font-size: clamp(38px, 6.6vw, 92px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-ink);
}

.page-home .home-hero__lede {
  max-width: 60ch;
  margin: 0 0 clamp(22px, 2.6vw, 34px);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-ink-2);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
}

.page-home .hero-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 18px 20px 20px;
  border: 1px solid var(--rule);
  background-color: var(--c-white);
  box-shadow: var(--shadow-layer);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    border-color 0.28s var(--ease);
}

.page-home .hero-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--home-shadow-hover);
  border-color: rgba(14, 27, 46, 0.22);
}

.page-home .hero-card--feature {
  padding: 0;
  overflow: hidden;
}

.page-home .hero-card--ink {
  background-color: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-paper);
}

.page-home .hero-card__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

.page-home .hero-card--ink .hero-card__coord {
  color: var(--c-amber);
}

.page-home .hero-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .hero-card--ink .hero-card__title {
  color: var(--c-paper);
}

.page-home .hero-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

.page-home .hero-card--ink .hero-card__text {
  color: rgba(246, 242, 234, 0.78);
}

/* ---------- 通用图片容器 ---------- */
.page-home .home-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--rule);
  background-color: var(--c-white);
  box-shadow: var(--shadow-layer);
  overflow: hidden;
}

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

.page-home .home-figure--hero {
  border: 0;
  box-shadow: none;
}

.page-home .home-figure__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  background-color: var(--c-ink);
  color: var(--c-paper);
}

/* ---------- 锚点索引条 ---------- */
.page-home .anchor-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  overflow-x: auto;
  scrollbar-width: none;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-home .anchor-bar__inner::-webkit-scrollbar {
  display: none;
}

.page-home .anchor-bar__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 4px 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--c-ink-2);
  border-bottom: 2px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-home .anchor-bar__link .num {
  font-size: 11px;
  color: var(--c-mist);
  transition: color 0.24s var(--ease);
}

.page-home .anchor-bar__link:hover,
.page-home .anchor-bar__link:focus-visible {
  color: var(--c-ink);
  border-bottom-color: var(--c-orange);
}

.page-home .anchor-bar__link:hover .num,
.page-home .anchor-bar__link:focus-visible .num {
  color: var(--c-orange);
}

/* ---------- 章节说明文字 ---------- */
.page-home .home-note {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 01 常用路径 ---------- */
.page-home .home-paths__rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(28px, 3.6vw, 48px);
}

.page-home .path-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 26px 24px 22px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--c-orange);
  background-color: var(--c-white);
  box-shadow: var(--shadow-layer);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    border-color 0.28s var(--ease);
}

.page-home .path-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--home-shadow-hover);
}

.page-home .path-card__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--c-burnt);
}

.page-home .path-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .path-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--c-ink-2);
}

.page-home .path-card__go {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-orange);
  text-decoration: none;
}

.page-home .path-card__go:hover {
  text-decoration: underline;
}

/* ---------- 02 费用与周期 ---------- */
.page-home .home-membership__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .home-membership__lede {
  max-width: 60ch;
  margin: 0 0 24px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-ink-2);
}

.page-home .dim-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-home .dim-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-home .dim-list__no {
  grid-row: span 2;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  background-color: var(--c-paper-2);
  color: var(--c-ink);
}

.page-home .dim-list__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-home .dim-list__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-home .home-membership__sub {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--c-ink-2);
}

.page-home .cycle-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-home .cycle-strip__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  background-color: var(--c-white);
}

.page-home .cycle-strip__name {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-ink);
}

.page-home .cycle-strip__note {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

.page-home .home-membership__cta {
  margin-top: 4px;
}

/* ---------- 03 案例合集 ---------- */
.page-home .home-cases__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(24px, 3.4vw, 44px);
}

.page-home .case-filter {
  position: relative;
  min-width: 0;
}

.page-home .case-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-home .case-filter__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}

.page-home .case-filter__label {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--rule);
  background-color: var(--c-white);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-ink-2);
  cursor: pointer;
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease),
    border-color 0.24s var(--ease);
}

.page-home .case-filter__label:hover {
  border-color: var(--c-orange);
  color: var(--c-ink);
}

.page-home .case-filter__input:checked + .case-filter__label {
  background-color: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-paper);
}

.page-home .case-filter__input:focus-visible + .case-filter__label {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-home .case-panel {
  display: none;
  padding-top: 20px;
}

.page-home .case-filter__input:nth-of-type(1):checked ~ .case-panels .case-panel:nth-child(1),
.page-home .case-filter__input:nth-of-type(2):checked ~ .case-panels .case-panel:nth-child(2),
.page-home .case-filter__input:nth-of-type(3):checked ~ .case-panels .case-panel:nth-child(3),
.page-home .case-filter__input:nth-of-type(4):checked ~ .case-panels .case-panel:nth-child(4) {
  display: block;
}

.page-home .case-panel__desc {
  max-width: 56ch;
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--c-ink-2);
}

.page-home .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .case-filter__foot {
  margin: 20px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--c-orange);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-ink-2);
}

/* ---------- 04 帮助文档与测试通道 ---------- */
.page-home .home-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .home-help__docs > p {
  max-width: 58ch;
  margin: 14px 0 24px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-ink-2);
}

.page-home .doc-groups {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-home .doc-group {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.page-home .doc-group__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 12px;
  background-color: var(--c-paper-2);
  color: var(--c-ink);
}

.page-home .doc-group__name {
  margin: 0 0 3px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-home .doc-group__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-home .home-help__beta {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-home .beta-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 26px 24px;
  border: 1px solid var(--c-ink);
  background-color: var(--c-white);
  box-shadow: var(--shadow-layer);
}

.page-home .beta-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .beta-card > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-ink-2);
}

.page-home .beta-list {
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
  border-top: 1px solid var(--rule-soft);
}

.page-home .beta-list li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14.5px;
  color: var(--c-ink-2);
}

.page-home .beta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 7px;
  height: 7px;
  background-color: var(--c-teal);
}

/* ---------- 05 近期更新 ---------- */
.page-home .update-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 44px) 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--rule);
}

.page-home .update-item {
  position: relative;
  padding: 0 0 26px 18px;
}

.page-home .update-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 7px;
  width: 9px;
  height: 9px;
  background-color: var(--c-orange);
}

.page-home .update-item:last-child {
  padding-bottom: 4px;
}

.page-home .update-item__time {
  margin: 0 0 6px;
  font-size: var(--fs-index);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-home .update-item__col {
  display: inline-block;
  margin: 0 0 8px;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: 0.06em;
  background-color: var(--c-paper-2);
  color: var(--c-ink-2);
}

.page-home .update-item__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-home .update-item__desc {
  max-width: 62ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-ink-2);
}

.page-home .home-updates__more {
  margin: 26px 0 0;
  font-size: 15px;
}

/* ---------- 06 再次到访 ---------- */
.page-home .home-revisit {
  background-color: var(--c-ink);
  border-top: 1px solid var(--c-ink);
}

.page-home .home-revisit__inner {
  max-width: 78ch;
}

.page-home .home-revisit .section-title {
  color: var(--c-paper);
}

.page-home .home-revisit__text {
  margin: 18px 0 26px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: rgba(246, 242, 234, 0.8);
}

.page-home .revisit-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .revisit-chip {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--rule-invert);
  font-size: 14px;
  text-decoration: none;
  color: var(--c-paper);
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease),
    color 0.24s var(--ease);
}

.page-home .revisit-chip:hover,
.page-home .revisit-chip:focus-visible {
  background-color: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-hero__stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .home-hero__stack > .hero-card--feature,
  .page-home .home-hero__stack > .hero-card--wide {
    grid-column: 1 / -1;
  }

  .page-home .home-membership .cycle-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-home .home-paths__rail {
    grid-template-columns: 1.08fr 0.94fr 1.06fr;
    gap: 22px;
  }

  .page-home .path-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-home .path-card:nth-child(3) {
    margin-top: 14px;
  }

  .page-home .dim-list li {
    grid-template-columns: 34px minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-home .dim-list__no {
    grid-row: span 1;
  }

  .page-home .dim-list__desc {
    text-align: right;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .home-membership__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-home .home-cases__layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }

  .page-home .home-help__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-card,
  .page-home .path-card,
  .page-home .revisit-chip,
  .page-home .anchor-bar__link {
    transition: none;
  }

  .page-home .hero-card:hover,
  .page-home .path-card:hover {
    transform: none;
  }
}