.page-home {
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-context {
  border-bottom: 1px solid var(--line);
}

.page-home .home-context .breadcrumb {
  padding: 13px 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-plate {
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.page-home .plate-grid {
  display: grid;
  gap: 26px;
  padding: 26px 0 40px;
}

.page-home .plate-rail {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-home .plate-rail h1 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(27px, 6.4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .plate-rail .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-home .plate-rail .lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--paper);
  opacity: 0.84;
}

.page-home .plate-index ol {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .plate-index li {
  border-bottom: 1px solid var(--line);
}

.page-home .plate-index a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 4px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .plate-index a:hover {
  border-left-color: var(--orange);
  background: var(--night);
}

.page-home .plate-index a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-left-color: var(--orange);
}

.page-home .idx-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-home .idx-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-home .idx-text strong {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-home .idx-text em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-home .plate-stage {
  position: relative;
  overflow: hidden;
  display: flex;
  min-height: 300px;
  border: 1px solid var(--line);
  background: var(--night);
}

.page-home .plate-stage > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  filter: saturate(0.45) contrast(1.08);
}

.page-home .plate-overlay {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  min-height: 300px;
  padding: 20px 20px 22px;
}

.page-home .plate-overlay .tag {
  align-self: flex-start;
}

.page-home .plate-score {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(56, 242, 208, 0.45);
}

.page-home .plate-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(50px, 13.5vw, 118px);
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-home .plate-cap {
  max-width: 30ch;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 数据墙 ---------- */
.page-home .wall {
  background: var(--night);
  border-bottom: 1px solid var(--line);
  padding: 34px 0 38px;
}

.page-home .wall-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 18px;
}

.page-home .wall-head .section-title {
  margin: 0;
  font-size: clamp(18px, 3.6vw, 25px);
  letter-spacing: -0.015em;
}

.page-home .wall-head p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .wall-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .wall-cell {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 16px 18px;
  background: var(--night);
}

.page-home .wall-figure {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-home .wall-figure .unit {
  margin-left: 5px;
  font-size: 0.4em;
  letter-spacing: 0;
  color: var(--muted);
}

.page-home .wall-cell--accent .wall-figure {
  color: var(--cyan);
}

.page-home .wall-label {
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-home .chapter {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 13px;
  align-items: start;
  margin-bottom: 24px;
}

.page-home .chapter-index {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-home .chapter .section-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 4.4vw, 31px);
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-home .chapter .lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
  opacity: 0.82;
}

.page-home .sub-title {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .chapter-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 01 前瞻归档 ---------- */
.page-home .tag-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .tag-cell {
  padding: 15px 15px 17px;
  background: var(--ink);
}

.page-home .tag-cell h3 {
  margin: 0 0 6px;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .tag-cell p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .archive-body {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-home .archive-text {
  min-width: 0;
}

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

.page-home .precision li {
  display: grid;
  gap: 4px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
}

.page-home .precision-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-home .precision-val {
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--paper);
  opacity: 0.86;
}

.page-home .range-figure {
  margin: 22px 0 0;
  padding: 16px 16px 12px;
  border: 1px solid var(--line);
  background: var(--night);
}

.page-home .range-chart {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .range-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .archive-body .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.6);
}

/* ---------- 02 比分追踪 ---------- */
.page-home .track-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .track-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 20px;
  background: var(--ink);
  border-top: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .track-card:hover {
  border-top-color: var(--orange);
  background: var(--night);
}

.page-home .track-card .tag {
  align-self: flex-start;
}

.page-home .track-card h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .track-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 03 版本核对 ---------- */
.page-home .version-body {
  display: grid;
  gap: 22px;
}

.page-home .version-stamp {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: var(--panel);
}

.page-home .stamp-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .stamp-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 9vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .stamp-value .dot {
  color: var(--orange);
}

.page-home .stamp-legend {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-home .version-text {
  min-width: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.86;
}

.page-home .version-text > p {
  margin: 0 0 14px;
}

.page-home .version-details {
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-home .version-details summary {
  padding: 13px 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-home .version-details summary::-webkit-details-marker {
  display: none;
}

.page-home .version-details summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-home .version-details[open] summary::before {
  content: "−";
}

.page-home .version-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .version-details ol {
  margin: 0;
  padding: 0 16px 16px 16px;
  list-style: none;
  counter-reset: vstep;
}

.page-home .version-details li {
  counter-increment: vstep;
  position: relative;
  padding: 8px 0 8px 26px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.84;
}

.page-home .version-details li::before {
  content: counter(vstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan);
}

/* ---------- 04 反馈进度 ---------- */
.page-home .progress-body {
  display: grid;
  gap: 24px;
}

.page-home .stage-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .stage-track li {
  display: grid;
  gap: 5px;
  padding: 12px 14px 14px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--line);
  background: var(--ink);
}

.page-home .stage-track li[data-state="done"] {
  border-top-color: var(--cyan);
}

.page-home .stage-track li[data-state="active"] {
  border-top-color: var(--orange);
  background: var(--night);
}

.page-home .stage-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-home .stage-track li[data-state="done"] .stage-num {
  color: var(--cyan);
}

.page-home .stage-track li[data-state="active"] .stage-num {
  color: var(--orange);
}

.page-home .stage-track strong {
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-home .stage-desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .progress-body .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.5);
}

/* ---------- 05 旧版资料 ---------- */
.page-home .legacy-body {
  display: grid;
  gap: 22px;
}

.page-home .legacy-body .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.45);
}

.page-home .legacy-steps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .legacy-steps li {
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.86;
}

.page-home .step-key {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-home .legacy-text > p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.84;
}

.page-home .legacy-text .chapter-note {
  opacity: 1;
}

/* ---------- 媒体框架与图片兜底 ---------- */
.page-home .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--night);
}

.page-home .media-frame img {
  max-width: 100%;
  height: auto;
}

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

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

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .plate-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 34px;
    padding: 46px 0 62px;
    align-items: stretch;
  }

  .page-home .plate-overlay {
    min-height: 400px;
    padding: 26px 30px 28px;
  }

  .page-home .plate-stage {
    min-height: 400px;
  }

  .page-home .wall {
    padding: 50px 0 54px;
  }

  .page-home .chapter {
    padding: 62px 0;
  }

  .page-home .chapter-head {
    gap: 22px;
    margin-bottom: 30px;
  }

  .page-home .archive-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 34px;
    align-items: start;
    margin-top: 32px;
  }

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

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

  .page-home .version-body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 30px;
    align-items: start;
  }

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

  .page-home .progress-body {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 30px;
    align-items: start;
  }

  .page-home .stage-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
  }

  .page-home .stage-track li {
    border: 0;
    border-top: 2px solid var(--line);
    padding: 14px 14px 16px;
  }

  .page-home .stage-track li[data-state="done"] {
    border-top-color: var(--cyan);
  }

  .page-home .stage-track li[data-state="active"] {
    border-top-color: var(--orange);
  }

  .page-home .legacy-body {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 32px;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-home .wall-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 降低动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .plate-index a,
  .page-home .track-card {
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
}