.page-home {
  --home-gap: clamp(48px, 7vw, 96px);
  --cell-radius: 4px;
  display: block;
  color: var(--body-text);
}

/* ---------- HERO ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(36px, 6vw, 72px) clamp(40px, 6vw, 80px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.75) contrast(1.06);
}

.page-home .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 78% 10%, rgba(53, 224, 214, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(6, 23, 36, 0.55) 0%, rgba(6, 23, 36, 0.94) 72%, var(--ink) 100%);
}

.page-home .hero-inner {
  position: relative;
}

.page-home .hero .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
}

.page-home .hero .eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
}

.page-home .hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 8.2vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--white);
  text-transform: none;
}

.page-home .hero-lede {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 48px) 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.page-home .hero-stat {
  padding: 16px 14px;
  background: linear-gradient(180deg, rgba(12, 35, 51, 0.92), rgba(6, 23, 36, 0.92));
}

.page-home .hero-stat .stat-value {
  margin: 6px 0 0;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  color: var(--cyan);
}

.page-home .stat-value .unit {
  font-size: 0.5em;
  margin-left: 3px;
  color: var(--cal);
}

.page-home .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* 章节索引栏 */
.page-home .hero-rail {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: 6px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-home .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cal);
}

.page-home .rail-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-home .rail-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 8px 9px 4px;
  color: var(--body-text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px dashed rgba(51, 80, 95, 0.6);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-home .rail-list li:last-child a {
  border-bottom: 0;
}

.page-home .rail-list a:hover,
.page-home .rail-list a:focus-visible {
  color: var(--white);
  padding-left: 10px;
}

.page-home .rail-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

/* ---------- 通用面板细节 ---------- */
.page-home .panel-head {
  max-width: 78ch;
}

.page-home .panel-note {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-home .foot-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cal);
}

.page-home .mono-note {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cal);
}

.page-home .axis-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dim);
  text-transform: none;
}

.page-home .axis-note.spaced {
  margin-top: 18px;
}

.page-home .link-arrow {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.4);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .link-arrow::after {
  content: " →";
}

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

/* ---------- 01 时间轴 ---------- */
.page-home .window-switch--inline {
  margin: 22px 0 18px;
}

.page-home .timeline-board {
  padding: clamp(18px, 3vw, 28px);
}

.page-home .axis {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin: 16px 0 22px;
  height: 68px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .axis--wide {
  gap: 3px;
}

.page-home .axis--dense {
  gap: 2px;
  height: 60px;
}

.page-home .axis-tick {
  flex: 0 0 auto;
  width: 8px;
  height: 26px;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, rgba(53, 224, 214, 0.85), rgba(53, 224, 214, 0.16));
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
  transform-origin: bottom center;
}

.page-home .axis--wide .axis-tick {
  width: 7px;
  height: 34px;
}

.page-home .axis--dense .axis-tick {
  width: 5px;
  height: 30px;
}

.page-home .axis-tick:nth-child(3n) {
  height: 44px;
}

.page-home .axis-tick:hover {
  background: linear-gradient(180deg, var(--orange), rgba(255, 138, 61, 0.2));
}

.page-home .axis-tick.is-now {
  background: linear-gradient(180deg, var(--orange), rgba(255, 138, 61, 0.25));
  animation: home-pulse 2.4s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(1.35); opacity: 0.72; }
}

.page-home .window-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding-top: 4px;
}

.page-home .big-num {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .big-num .unit {
  font-size: 0.48em;
  color: var(--cal);
  margin-left: 4px;
}

.page-home .period-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .period-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--cell-radius);
  background: rgba(12, 35, 51, 0.5);
  transition: border-color var(--dur) var(--ease);
}

.page-home .period-list li:hover {
  border-color: var(--cyan);
}

.page-home .p-id {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  color: var(--white);
}

.page-home .p-date {
  font-size: 12.5px;
  color: var(--cal);
}

.page-home .window-figures {
  padding: 14px 12px;
  border-left: 2px solid rgba(53, 224, 214, 0.5);
  background: rgba(12, 35, 51, 0.42);
  border-radius: 0 var(--cell-radius) var(--cell-radius) 0;
}

.page-home .disclosure {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-home .mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  gap: 6px;
  margin-top: 14px;
}

.page-home .mini-grid span {
  padding: 6px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  color: var(--cal);
  background: rgba(20, 48, 63, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--cell-radius);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .mini-grid span:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 02 查询入口 ---------- */
.page-home .tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-home .tool-card {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  display: flex;
  flex-direction: column;
}

.page-home .tool-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-home .tool-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-home .tool-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.28rem;
  line-height: 1.4;
  color: var(--white);
}

.page-home .tool-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-home .tool-media {
  margin: 18px 0 4px;
  border: 1px solid var(--line);
  border-radius: var(--cell-radius);
  overflow: hidden;
}

.page-home .tool-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  opacity: 0.88;
}

/* ---------- 03 冷热快照 ---------- */
.page-home .heat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
}

.page-home .heat-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: clamp(16px, 3vw, 22px);
}

.page-home .heat-cell {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  min-height: 84px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--cell-radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .heat-cell:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .heat-l1 { background: rgba(20, 48, 63, 0.72); }
.page-home .heat-l2 { background: rgba(24, 74, 86, 0.66); }
.page-home .heat-l3 { background: rgba(58, 96, 78, 0.6); }
.page-home .heat-l4 { background: rgba(120, 82, 52, 0.55); }

.page-home .heat-cell--strike {
  border-color: rgba(255, 77, 141, 0.55);
}

.page-home .heat-label {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cal);
}

.page-home .heat-val {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

.page-home .heat-figure {
  margin: 0 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--cell-radius);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .heat-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-home .heat-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.page-home .lg {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cal);
}

.page-home .lg::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
}

.page-home .lg--low::before { background: rgba(20, 48, 63, 1); }
.page-home .lg--mid::before { background: rgba(58, 96, 78, 1); }
.page-home .lg--high::before { background: rgba(255, 138, 61, 0.9); }
.page-home .lg--strike::before { background: var(--magenta); }

/* ---------- 04 案例 ---------- */
.page-home .case-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .case-item {
  padding: clamp(18px, 3vw, 24px);
  transition: border-color var(--dur) var(--ease);
}

.page-home .case-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-home .case-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-home .case-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.16rem;
  line-height: 1.5;
}

.page-home .case-item h3 a {
  color: var(--white);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .case-item h3 a:hover,
.page-home .case-item h3 a:focus-visible {
  color: var(--cyan);
}

.page-home .case-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-home .case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 05 查阅路径 ---------- */
.page-home .step-list {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .step {
  position: relative;
  padding: 22px 0 22px 58px;
  border-bottom: 1px solid var(--line);
}

.page-home .step::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(53, 224, 214, 0.5), rgba(51, 80, 95, 0.2));
}

.page-home .step-no {
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: var(--ink);
  padding: 2px 0;
}

.page-home .step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0;
  color: var(--white);
}

.page-home .step p {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-text);
}

/* ---------- 06 版本 ---------- */
.page-home .version-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 26px;
}

.page-home .version-figure {
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-home .version-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 20px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.page-home .version-stats > div {
  padding: 14px 12px;
  background: rgba(12, 35, 51, 0.86);
}

.page-home .version-stats .stat-value {
  margin: 6px 0 0;
  font-size: clamp(1.3rem, 4.6vw, 1.8rem);
  color: var(--orange);
}

.page-home .version-stats .unit {
  font-size: 0.5em;
  margin-left: 3px;
  color: var(--cal);
}

.page-home .version-text {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--body-text);
}

.page-home .version-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 收尾 ---------- */
.page-home .closing {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(53, 224, 214, 0.12), transparent 60%),
    rgba(4, 18, 29, 0.9);
}

.page-home .closing-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding-block: clamp(38px, 6vw, 64px);
}

.page-home .closing-text {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 折叠面板按钮 ---------- */
.page-home .disclosure-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--white);
  background: rgba(20, 48, 63, 0.66);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .disclosure-btn::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-home .disclosure-btn[aria-expanded="true"]::after {
  content: "−";
  color: var(--orange);
}

.page-home .disclosure-btn:hover,
.page-home .disclosure-btn:focus-visible {
  border-color: var(--cyan);
}

.page-home .disclosure-panel {
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .window-body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

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

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

  .page-home .tool-card--tall {
    grid-row: span 2;
  }
}

@media (min-width: 920px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(250px, 3fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-home .hero-rail {
    position: sticky;
    top: 96px;
  }

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

  .page-home .tool-card--wide {
    grid-column: span 2;
  }

  .page-home .heat-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    gap: clamp(20px, 3vw, 34px);
    align-items: start;
  }

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

  .page-home .case-list {
    grid-template-columns: 1fr;
  }

  .page-home .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .page-home .step {
    padding: 26px 22px 26px 22px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-home .step:last-child {
    border-right: 0;
  }

  .page-home .step::before {
    display: none;
  }

  .page-home .step-no {
    position: static;
    display: block;
    background: none;
    padding: 0;
    margin-bottom: 12px;
    font-size: 13px;
  }

  .page-home .version-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(22px, 3.5vw, 40px);
    align-items: center;
  }

  .page-home .closing-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-home .case-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .heat-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .heat-cell {
    min-height: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .axis-tick.is-now {
    animation: none;
  }

  .page-home .heat-cell,
  .page-home .rail-list a,
  .page-home .link-arrow,
  .page-home .period-list li {
    transition: none;
  }
}