.page-home {
  --home-gap: clamp(16px, 2.4vw, 30px);
  --home-block: clamp(64px, 8vw, 112px);
  background: var(--c-base);
  color: var(--c-ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
  padding-bottom: clamp(56px, 7vw, 96px);
}

.page-home img {
  max-width: 100%;
  display: block;
}

.page-home .mono,
.page-home .hero__eyebrow,
.page-home .hero__stats-k,
.page-home .hero__stat-v,
.page-home .hero__quick-k,
.page-home .section__index,
.page-home .tl-item__round,
.page-home .route-card__k,
.page-home .path__k {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  padding-top: clamp(26px, 4.4vw, 60px);
}

.page-home .hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(16px, 2.4vw, 28px);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-home .hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.page-home .hero__top {
  display: grid;
  gap: 16px;
}

.page-home .hero__title {
  margin: 0;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-home .hero__lead {
  margin: 0;
  font-size: clamp(0.95rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 36em;
}

@media (min-width: 940px) {
  .page-home .hero__top {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
    align-items: end;
    gap: clamp(24px, 4vw, 64px);
  }
}

.page-home .hero__mosaic {
  margin-top: clamp(30px, 4.4vw, 56px);
  display: grid;
  gap: var(--home-gap);
}

.page-home .hero__main {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(300px, 46vw, 520px);
  padding: clamp(22px, 3vw, 40px);
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  overflow: hidden;
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
}

.page-home .hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% 50%;
  opacity: 0.5;
}

.page-home .hero__main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(96deg, rgba(10, 22, 38, 0.96) 22%, rgba(10, 22, 38, 0.52) 62%, rgba(10, 22, 38, 0.1) 100%);
}

.page-home .hero__main > *:not(.hero__media) {
  position: relative;
  z-index: 2;
}

.page-home .hero__main-title {
  margin: 14px 0 10px;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .hero__main-text {
  margin: 0 0 16px;
  max-width: 30em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
}

.page-home .hero__chips li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-ink);
  border: 1px solid var(--c-line);
  background: rgba(28, 51, 80, 0.75);
  padding: 4px 10px;
}

.page-home .hero__cta {
  align-self: flex-start;
}

.page-home .hero__stats {
  border: 1px solid var(--c-line);
  background: var(--c-steel);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-home .hero__stats-k {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-home .hero__stats-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .hero__stats-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

.page-home .hero__stats-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .hero__stat-v {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  font-weight: 500;
  color: var(--c-cyan);
  letter-spacing: 0.02em;
}

.page-home .hero__stat-k {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-home .hero__quick {
  background: var(--c-paper);
  color: #0a1626;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--c-paper);
}

.page-home .hero__quick-k {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan-deep);
}

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

.page-home .hero__quick li + li {
  border-top: 1px solid rgba(10, 22, 38, 0.16);
}

.page-home .hero__quick a {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  color: #0a1626;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .hero__quick a span {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--c-cyan-deep);
  letter-spacing: 0.02em;
}

.page-home .hero__quick a:hover {
  color: var(--c-cyan-deep);
}

@media (min-width: 780px) {
  .page-home .hero__mosaic {
    grid-template-columns: 1fr 1fr;
  }
  .page-home .hero__main {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  .page-home .hero__mosaic {
    grid-template-columns: 7fr 3fr 2fr;
    align-items: stretch;
  }
  .page-home .hero__main {
    grid-column: auto;
  }
}

/* ---------- 章节骨架 ---------- */

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

.page-home .section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px clamp(14px, 2vw, 26px);
  align-items: start;
  max-width: 70ch;
}

.page-home .section__index {
  grid-row: 1 / span 2;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1;
  font-weight: 500;
  color: var(--c-cyan);
  opacity: 0.72;
}

.page-home .section__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.9vw, 2.05rem);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .section__lead {
  margin: 0;
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

@media (max-width: 599px) {
  .page-home .section__head {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-home .section__index {
    grid-row: auto;
    margin-bottom: 6px;
  }
}

/* ---------- 倒序主轴 ---------- */

.page-home .timeline {
  position: relative;
  margin-top: clamp(26px, 3.6vw, 46px);
}

.page-home .timeline__rail {
  display: none;
}

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

.page-home .tl-item {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px) 0;
  border-top: 1px solid var(--c-line);
}

.page-home .tl-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-home .tl-item--current {
  background: linear-gradient(90deg, rgba(52, 231, 210, 0.09), rgba(52, 231, 210, 0) 64%);
  padding-left: 16px;
}

.page-home .tl-item--current::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-cyan);
}

.page-home .tl-item__round {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-home .tl-item--current .tl-item__round {
  color: var(--c-cyan);
}

.page-home .tl-item__title {
  margin: 8px 0 6px;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.42;
  font-weight: 800;
}

.page-home .tl-item__text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-home .tl-item__link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  font-size: 0.875rem;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .tl-item__link:hover {
  opacity: 0.72;
}

@media (min-width: 760px) {
  .page-home .tl-item {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 6px 24px;
  }
  .page-home .tl-item__round {
    padding-top: 6px;
  }
}

@media (min-width: 900px) {
  .page-home .timeline {
    padding-left: 96px;
  }
  .page-home .timeline__rail {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 64px;
    overflow: hidden;
    opacity: 0.55;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 68%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 0%, #000 68%, transparent 100%);
  }
  .page-home .timeline__rail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
  }
}

/* ---------- 数据位置 ---------- */

.page-home .data-block {
  margin-top: clamp(26px, 3.6vw, 46px);
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-home .data-block__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  overflow: hidden;
}

.page-home .data-block__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.85;
}

.page-home .data-block__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-home .data-tabs {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .data-tabs .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .data-tabs .segmented__tab {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 18px;
  color: var(--c-muted);
  background: transparent;
  border: 1px solid var(--c-line);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .data-tabs .segmented__tab:hover {
  color: var(--c-ink);
  border-color: var(--c-steel);
}

.page-home .data-tabs .segmented__tab[aria-selected="true"] {
  color: #0a1626;
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-home .data-tabs__panels {
  display: grid;
}

.page-home .panel {
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--c-line);
  background: var(--c-steel);
}

.page-home .panel h3 {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 800;
}

.page-home .panel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

@media (min-width: 960px) {
  .page-home .data-block {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    align-items: start;
  }
}

/* ---------- 两条动线 ---------- */

.page-home .routes {
  margin-top: clamp(26px, 3.6vw, 46px);
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-home .route-card {
  padding: clamp(20px, 2.8vw, 32px);
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}

.page-home .route-card--m {
  border-top: 3px solid var(--c-cyan);
}

.page-home .route-card__k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-home .route-card__title {
  margin: 0 0 18px;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.35;
  font-weight: 800;
}

.page-home .route-card__steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .route-card__steps li {
  position: relative;
  padding-left: 36px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-home .route-card__steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-cyan);
  border: 1px solid var(--c-line);
}

.page-home .routes__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  overflow: hidden;
}

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

.page-home .routes__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-muted);
}

@media (min-width: 860px) {
  .page-home .routes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-home .routes__figure {
    grid-column: 1 / -1;
  }
}

/* ---------- 变更集中入口 ---------- */

.page-home .changes {
  margin-top: clamp(26px, 3.6vw, 46px);
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-home .changes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-home .change {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-home .change .tag {
  justify-self: start;
}

.page-home .change__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-home .changes__aside {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--c-line);
  background: var(--c-steel);
}

.page-home .changes__aside p {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-ink);
}

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

@media (min-width: 560px) {
  .page-home .change {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 6px 20px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .changes {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

/* ---------- 三条收束路径 ---------- */

.page-home .paths {
  list-style: none;
  margin: clamp(26px, 3.6vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-home .path a {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .path a:hover {
  background: var(--c-steel);
  border-color: var(--c-cyan);
}

.page-home .path__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-home .path__t {
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-home .path__d {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-muted);
}

@media (min-width: 820px) {
  .page-home .paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path a,
  .page-home .data-tabs .segmented__tab {
    transition: none;
  }
}