.page-home {
  --home-rule: calc(var(--border-thick) * 3);
  --home-track: calc(var(--border-thick) * 2);
  --home-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0 var(--space-1);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.page-home .home-crumb .mono {
  color: var(--color-primary);
}

/* ---------- 首屏分屏 ---------- */

.page-home .home-hero {
  padding-bottom: var(--space-6);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.page-home .home-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-home .home-hero__lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-home .home-hero__actions {
  margin-top: var(--space-4);
}

.page-home .home-hero__anchor {
  display: inline-flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .home-hero__anchor-key {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

.page-home .home-hero__anchor-value {
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-contrast-accent);
}

.page-home .home-hero__visual {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  box-shadow: var(--shadow-2);
}

.page-home .hero-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
}

.page-home .hero-svg__wave {
  fill: none;
  stroke: var(--color-contrast-accent);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.5;
}

.page-home .hero-svg__grid line {
  stroke: var(--color-contrast-line);
  stroke-width: 1;
  stroke-dasharray: 2 8;
}

.page-home .hero-svg__bars rect {
  fill: var(--color-contrast-accent);
  opacity: 0.42;
}

.page-home .hero-svg__node {
  fill: var(--color-contrast-surface);
  stroke: var(--color-contrast-accent);
  stroke-width: 2;
}

.page-home .hero-svg__node--now {
  fill: var(--color-contrast-accent);
  stroke: var(--color-contrast-surface);
  stroke-width: 3;
}

.page-home .hero-svg__labels text {
  fill: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-home .hero-svg__label--now {
  fill: var(--color-contrast-accent) !important;
  font-size: 15px;
}

.page-home .home-hero__visual-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

/* ---------- 关键数字组 ---------- */

.page-home .home-figures {
  border-top: var(--home-rule) solid var(--color-line);
  border-bottom: var(--home-rule) double var(--color-line);
}

.page-home .home-figures__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  padding: var(--space-6) 0;
}

.page-home .home-figure__num {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-home .home-figure__suffix {
  font-size: var(--text-lg);
  font-weight: var(--weight-body);
  color: var(--color-ink-muted);
}

.page-home .home-figure--now .home-figure__num {
  color: var(--color-accent);
}

.page-home .home-figure__label {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 时间轴 ---------- */

.page-home .home-timeline__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .home-timeline__lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-home .home-timeline__body {
  position: relative;
  isolation: isolate;
  margin-top: var(--space-6);
  padding: var(--space-6) var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  overflow: hidden;
}

.page-home .home-timeline__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.3;
}

.page-home .home-timeline__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-home .tl {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--space-6);
  list-style: none;
  display: grid;
  gap: var(--space-4);
}

.page-home .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: var(--home-track);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-line);
}

.page-home .tl__item {
  position: relative;
}

.page-home .tl__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-6));
  top: 10px;
  width: var(--space-2);
  height: var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-contrast-accent) 22%, transparent);
}

.page-home .tl__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-home .tl__ver {
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-home .tl__text {
  margin-top: var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-home .tl__meta {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

/* ---------- 本轮变更 ---------- */

.page-home .home-changes {
  border-top: var(--home-rule) solid var(--color-line);
}

.page-home .home-changes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-6);
}

.page-home .home-changes__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-changes__text {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-home .home-changes__link {
  display: inline-block;
  margin-top: var(--space-3);
  color: var(--color-primary);
  font-weight: var(--weight-heading);
  text-decoration: none;
  border-bottom: var(--home-track) solid var(--color-primary-soft);
}

.page-home .home-changes__link:hover {
  border-bottom-color: var(--color-primary);
}

.page-home .chg {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .chg__item {
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--home-rule) double var(--color-line);
  border-radius: var(--radius-sm);
  transition: background-color 0.25s var(--home-ease);
}

.page-home .chg__item--last {
  border-bottom: none;
}

.page-home .chg__item:hover {
  background: var(--color-primary-soft);
}

.page-home .chg__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.page-home .chg__id {
  flex: none;
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.page-home .chg__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .chg__desc {
  margin-top: var(--space-1);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .chg__meta {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .home-changes__media {
  margin: 0;
}

.page-home .home-changes__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 20 / 13;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  filter: grayscale(1) sepia(0.35) hue-rotate(175deg) saturate(1.6);
}

.page-home .home-changes__caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 适配清单 ---------- */

.page-home .home-fit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-home .home-fit__media {
  margin: 0;
}

.page-home .home-fit__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 19 / 14;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  filter: grayscale(1) sepia(0.3) hue-rotate(170deg) saturate(1.4);
}

.page-home .home-fit__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-fit__text {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-home .fit-clients {
  margin: var(--space-4) 0 var(--space-4);
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.page-home .fit-clients__item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  border-left: var(--home-rule) solid var(--color-accent);
}

.page-home .fit-clients__key {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
}

.page-home .fit-clients__text {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ---------- 内容索引 ---------- */

.page-home .home-index__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-home .home-index__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-index__text {
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-home .home-index__dims {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-home .home-index__focus {
  padding: var(--space-4);
}

.page-home .home-index__focus-kicker,
.page-home .home-index__dim-kicker {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.page-home .home-index__focus-kicker {
  color: color-mix(in srgb, var(--color-accent-ink) 78%, transparent);
}

.page-home .home-index__dim-kicker {
  color: var(--color-ink-muted);
}

.page-home .home-index__dim {
  padding: var(--space-4);
}

.page-home .home-index__cols {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-home .home-index__col-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "key name"
    "key desc";
  align-items: center;
  column-gap: var(--space-3);
  row-gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.25s var(--home-ease), transform 0.25s var(--home-ease);
}

.page-home .home-index__col-link:hover {
  background: var(--color-primary-soft);
  transform: translateY(-2px);
}

.page-home .home-index__col-key {
  grid-area: key;
  min-width: var(--space-4);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  text-align: center;
}

.page-home .home-index__col-name {
  grid-area: name;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .home-index__col-desc {
  grid-area: desc;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 支持与节奏 ---------- */

.page-home .home-support__panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}

.page-home .home-support__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.28;
}

.page-home .home-support__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-home .home-support__inner {
  padding: var(--space-6) var(--space-3);
}

.page-home .home-support__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .home-support__text {
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-home .home-support__facts {
  margin: var(--space-4) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-home .home-support__fact {
  padding-top: var(--space-2);
  border-top: var(--home-track) solid var(--color-contrast-line);
}

.page-home .home-support__fact dt {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-contrast-accent);
}

.page-home .home-support__fact dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-home .home-support__actions {
  margin-top: var(--space-4);
  align-items: center;
}

.page-home .home-support__ghost {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.page-home .home-support__about {
  color: var(--color-contrast-accent);
  font-size: var(--text-sm);
  text-decoration: none;
  border-bottom: var(--home-track) solid color-mix(in srgb, var(--color-contrast-accent) 45%, transparent);
}

.page-home .home-support__about:hover {
  border-bottom-color: var(--color-contrast-accent);
}

/* ---------- 折叠与显现 ---------- */

.has-js .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.42s var(--home-ease), transform 0.42s var(--home-ease);
}

.has-js .page-home [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-home .home-figures__row {
    grid-template-columns: 1.15fr 1fr 1fr 1.15fr;
    gap: var(--space-4);
    padding: var(--space-8) 0;
  }

  .page-home .home-hero__grid {
    gap: var(--space-6);
  }

  .page-home .home-timeline__body {
    padding: var(--space-8) var(--space-6);
  }

  .page-home .tl {
    padding-left: var(--space-8);
  }

  .page-home .tl__item::before {
    left: calc(-1 * var(--space-8));
  }

  .page-home .home-index__dims {
    grid-template-columns: 6fr 3fr 3fr;
    align-items: start;
  }

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

  .page-home .home-support__inner {
    padding: var(--space-8) var(--space-6);
  }

  .page-home .home-support__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-home .fit-clients {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .home-hero {
    padding-bottom: var(--space-8);
  }

  .page-home .home-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
    align-items: center;
  }

  .page-home .home-hero__copy {
    padding-block: var(--space-4);
  }

  .page-home .home-changes__grid {
    grid-template-columns: 5fr 7fr;
    grid-template-areas:
      "intro list"
      "media list";
    column-gap: var(--space-8);
    row-gap: var(--space-4);
  }

  .page-home .home-changes__intro {
    grid-area: intro;
  }

  .page-home .chg {
    grid-area: list;
  }

  .page-home .home-changes__media {
    grid-area: media;
    align-self: end;
  }

  .page-home .home-fit__grid {
    grid-template-columns: 5fr 6fr;
    gap: var(--space-8);
    align-items: center;
  }

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

  .page-home .home-index__col-link {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "key"
      "name"
      "desc";
    row-gap: var(--space-2);
    height: 100%;
  }

  .page-home .home-index__col-key {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chg__item,
  .page-home .home-index__col-link,
  .has-js .page-home [data-reveal] {
    transition: none;
    transform: none;
  }

  .has-js .page-home [data-reveal] {
    opacity: 1;
  }
}