.page-home {
  --home-bone-ink: #35443D;
  --home-bone-muted: #5A6B62;
  --home-shadow-soft: 6px 6px 0 rgba(22, 33, 29, .14);
  overflow-x: clip;
}

.page-home .mono,
.page-home .home-lane__num,
.page-home .home-stage__num,
.page-home .home-round__num,
.page-home .home-step__n,
.page-home .home-scorecard__k {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding-bottom: 16px;
  margin-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-moss);
}

.page-home .home-stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 12.5px;
  color: var(--c-moss);
}

/* ---------- 首屏 ---------- */
.page-home .home-masthead {
  position: relative;
  overflow: hidden;
}

.page-home .home-masthead::before {
  content: "";
  position: absolute;
  inset: -6% -4% 12%;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(110, 124, 116, .17) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(110, 124, 116, .17) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(118% 88% at 72% 18%, #000 8%, transparent 72%);
  mask-image: radial-gradient(118% 88% at 72% 18%, #000 8%, transparent 72%);
}

.page-home .home-masthead > .wrap {
  position: relative;
  z-index: 1;
}

.page-home .home-masthead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: end;
}

.page-home .home-title {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.15rem, 6.2vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: .02em;
  color: var(--c-white);
  text-wrap: balance;
}

.page-home .home-lead {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.82;
  color: var(--c-moss);
}

.page-home .home-actions {
  margin-top: 30px;
  gap: 14px;
}

.page-home .home-masthead__visual {
  position: relative;
  padding-bottom: 26px;
}

.page-home .home-masthead__mark {
  position: absolute;
  top: -18px;
  right: 8%;
  width: 46%;
  height: 42%;
  z-index: 0;
  opacity: .5;
  background: linear-gradient(140deg, var(--c-steel), transparent 78%);
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}

.page-home .home-masthead__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border: var(--border-w) solid var(--c-stone);
  box-shadow: var(--shadow-hard);
  background: var(--c-panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-home .home-masthead__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}

.page-home .home-masthead__board {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 30px;
  max-width: 470px;
  margin: -34px 0 0 22px;
  padding: 18px 22px;
  background: var(--c-panel);
  border: var(--border-w) solid var(--c-steel);
  box-shadow: var(--shadow-hard);
}

.page-home .home-board__line {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-moss);
}

.page-home .home-board__stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0;
}

.page-home .home-board__stat .stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  color: var(--c-amber);
}

.page-home .home-board__stat .stat-label {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-moss);
}

/* ---------- 页内目录 ---------- */
.page-home .home-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(34px, 5vw, 58px);
  padding-top: 22px;
  border-top: 1px solid var(--c-line-soft);
}

.page-home .home-toc .toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--c-moss);
  text-decoration: none;
  border: 1px solid var(--c-line-soft);
  background: rgba(17, 22, 20, .5);
  transition: color var(--dur-fast) var(--ease-mech),
              border-color var(--dur-fast) var(--ease-mech),
              background-color var(--dur-fast) var(--ease-mech);
}

.page-home .home-toc .toc-link::before {
  content: "";
  width: 12px;
  height: 2px;
  background: var(--c-stone);
  transition: width var(--dur-fast) var(--ease-mech),
              background-color var(--dur-fast) var(--ease-mech);
}

.page-home .home-toc .toc-link:hover,
.page-home .home-toc .toc-link:focus-visible {
  color: var(--c-white);
  border-color: var(--c-moss);
}

.page-home .home-toc .toc-link[data-active] {
  color: var(--c-deep);
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-home .home-toc .toc-link[data-active]::before {
  width: 22px;
  background: var(--c-deep);
}

/* ---------- 通用区块标题 ---------- */
.page-home .home-head {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-home .home-head h2 {
  margin: 10px 0 16px;
  line-height: 1.1;
  text-wrap: balance;
}

.page-home .home-head__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--c-moss);
}

.page-home .section--bone .home-head__lead,
.page-home .section--bone .home-head h2 {
  color: var(--home-bone-ink);
}

.page-home .section--bone .home-head__lead {
  color: var(--home-bone-muted);
}

.page-home .section--bone .eyebrow {
  color: var(--c-steel);
}

/* ---------- 四条主线 ---------- */
.page-home .home-lanes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .home-lane {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px 42px;
  background: linear-gradient(180deg, var(--c-panel) 0%, #0C1512 100%);
  border: var(--border-w) solid var(--c-stone);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  transition: border-color var(--dur-fast) var(--ease-mech),
              background-color var(--dur-fast) var(--ease-mech);
}

.page-home .home-lane:hover,
.page-home .home-lane:focus-within {
  border-color: var(--c-lime);
}

.page-home .home-lane .home-lane__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-steel);
}

.page-home .home-lane .home-lane__title {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--c-white);
}

.page-home .home-lane > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-moss);
}

.page-home .home-lane .annotation {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-steel);
}

.page-home .home-lane__figure {
  margin: 2px 0 4px;
  border: 1px solid var(--c-line-dark);
  overflow: hidden;
}

.page-home .home-lane__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.78);
  transition: filter var(--dur-mid) var(--ease-mech);
}

.page-home .home-lane:hover .home-lane__figure img {
  filter: saturate(1);
}

.page-home .home-lane__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-mech);
}

.page-home .home-lane__link:hover,
.page-home .home-lane__link:focus-visible {
  border-bottom-color: var(--c-lime);
}

/* ---------- 版本与更新 ---------- */
.page-home .home-version__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .home-version__col h3 {
  margin: 0;
  color: var(--home-bone-ink);
}

.page-home .home-list {
  display: grid;
  gap: 14px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--home-bone-ink);
}

.page-home .home-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--c-steel);
}

.page-home .home-version .mono {
  color: var(--c-steel);
}

.page-home .home-timeline-panel {
  padding: clamp(24px, 4vw, 40px);
}

.page-home .home-timeline {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-timeline .timeline-item {
  position: relative;
  padding-left: 24px;
  border-left: 0;
}

.page-home .home-timeline .timeline-item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: -22px;
  width: 2px;
  background: var(--c-line-dark);
}

.page-home .home-timeline .timeline-item:last-child::before {
  bottom: auto;
  height: 14px;
}

.page-home .home-timeline .timeline-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-steel);
  border: 2px solid var(--c-panel);
}

.page-home .home-timeline .timeline-item:last-child .timeline-dot {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(255, 158, 44, .18);
}

.page-home .home-timeline .home-stage__num {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-moss);
}

.page-home .home-timeline .h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  color: var(--c-white);
}

.page-home .home-timeline p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-moss);
}

/* ---------- 轮次索引 ---------- */
.page-home .home-rounds__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .home-rounds__figure {
  margin: 0 0 26px;
  border: var(--border-w) solid var(--c-stone);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-home .home-rounds__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 7;
  object-fit: cover;
  filter: saturate(.72) brightness(.94);
}

.page-home .home-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-home .home-filter .chip {
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-moss);
  background: transparent;
  border: 1px solid var(--c-line-soft);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-mech),
              border-color var(--dur-fast) var(--ease-mech),
              background-color var(--dur-fast) var(--ease-mech);
}

.page-home .home-filter .chip:hover {
  color: var(--c-white);
  border-color: var(--c-moss);
}

.page-home .home-filter .chip[aria-pressed="true"] {
  color: var(--c-deep);
  background: var(--c-lime);
  border-color: var(--c-lime);
}

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

.page-home .home-round {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--c-panel);
  border: var(--border-w) solid var(--c-line-dark);
  border-left: 5px solid var(--c-steel);
  transition: border-left-color var(--dur-fast) var(--ease-mech),
              border-color var(--dur-fast) var(--ease-mech);
}

.page-home .home-round:hover {
  border-left-color: var(--c-amber);
}

.page-home .home-round .home-round__num {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-amber);
}

.page-home .home-round .h3 {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--c-white);
}

.page-home .home-round p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-moss);
}

.page-home .home-round__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.page-home .home-scorecard {
  padding: 24px 22px;
}

.page-home .home-scorecard .h3 {
  margin: 10px 0 0;
  font-size: 1.0625rem;
  color: var(--c-white);
}

.page-home .home-scorecard__list {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-scorecard__list li {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--c-line-soft);
}

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

.page-home .home-scorecard__k {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--c-steel);
}

.page-home .home-scorecard__v {
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-moss);
}

.page-home .home-scorecard .annotation {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-line-dark);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--c-moss);
}

/* ---------- 能力与场景 ---------- */
.page-home .home-capability__grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .home-scene {
  padding: clamp(22px, 3vw, 32px);
  background: #FFFDF8;
  border: var(--border-w) solid var(--c-ink);
  box-shadow: var(--home-shadow-soft);
}

.page-home .home-scene__role {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--c-steel);
}

.page-home .home-scene .h3 {
  margin: 0 0 16px;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--home-bone-ink);
}

.page-home .home-scene ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-scene li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--home-bone-ink);
}

.page-home .home-scene li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 8px;
  background: var(--c-steel);
}

/* ---------- 起步路径 ---------- */
.page-home .home-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.page-home .home-step {
  padding-top: 20px;
  border-top: 2px solid var(--c-line-dark);
}

.page-home .home-step .home-step__n {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--c-amber);
}

.page-home .home-step .h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  color: var(--c-white);
}

.page-home .home-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-moss);
}

.page-home .home-start__cta {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 40px);
}

.page-home .home-start__note {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-white);
}

.page-home .home-start__actions {
  gap: 12px;
}

.page-home [hidden] {
  display: none !important;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-home .home-round-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .home-lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-capability__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 780px) {
  .page-home .home-version__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }
}

@media (min-width: 900px) {
  .page-home .home-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-home .home-timeline .timeline-item {
    padding: 22px 0 0;
    border-top: 2px solid var(--c-line-dark);
  }

  .page-home .home-timeline .timeline-item::before {
    display: none;
  }

  .page-home .home-timeline .timeline-dot {
    left: 0;
    top: -7px;
  }

  .page-home .home-start__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-home .home-start__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-home .home-masthead__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-home .home-masthead__board {
    margin-left: 34px;
  }
}

@media (min-width: 1040px) {
  .page-home .home-lanes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-home .home-lane--b {
    margin-top: 30px;
  }

  .page-home .home-lane--c {
    margin-top: 8px;
  }

  .page-home .home-lane--d {
    margin-top: 42px;
  }
}

@media (min-width: 1080px) {
  .page-home .home-rounds__layout {
    grid-template-columns: minmax(0, 1fr) 322px;
    gap: 44px;
    align-items: start;
  }

  .page-home .home-scorecard {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

@media (max-width: 599px) {
  .page-home .home-masthead__mark {
    display: none;
  }

  .page-home .home-masthead__board {
    margin-left: 0;
    margin-right: 12px;
    padding: 16px 18px;
    gap: 12px 22px;
  }

  .page-home .home-masthead__board .stat-value {
    font-size: 1.25rem;
  }

  .page-home .home-round {
    border-left-width: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: .01ms !important;
  }
}
<<<END>>>