.page-home {
  --home-rail-w: 106px;
  --home-gap: clamp(20px, 3.4vw, 52px);
  --home-shadow: 8px 8px 0 var(--line-600);
  --home-shadow-sm: 3px 3px 0 var(--line-600);
  position: relative;
  padding: clamp(18px, 3.6vw, 40px) clamp(14px, 3.4vw, 36px) clamp(84px, 12vw, 156px);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

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

.page-home a {
  color: inherit;
  text-decoration: none;
}

.page-home a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* ---------- 外壳与左侧状态栏 ---------- */

.home-shell {
  display: grid;
  gap: var(--home-gap);
  max-width: 1240px;
  margin: 0 auto;
}

.home-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 10px 14px;
  border: var(--edge);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-rail__ver {
  color: var(--signal);
  font-weight: 700;
}

.home-rail__num {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.home-rail__nav,
.home-rail__paths {
  display: none;
}

.home-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 5px;
  vertical-align: middle;
}

.home-dot--cyan { background: var(--signal); }
.home-dot--mint { background: var(--mint); }
.home-dot--amber { background: var(--amber); }

/* ---------- 章节通用头 ---------- */

.home-head {
  max-width: 40em;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.home-head__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding: 5px 12px;
  border: 2px solid var(--line-600);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-head__tag span {
  color: var(--amber);
  font-weight: 700;
}

.home-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}

.home-head__lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  max-width: 34em;
}

/* ---------- 首屏 ---------- */

.home-intro {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(10px, 2vw, 24px);
}

.home-intro__tag {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--muted);
}

.home-intro__tag span {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--signal);
}

.home-intro h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin-bottom: 18px;
}

.home-intro__lead {
  font-size: 17px;
  line-height: 1.85;
  max-width: 34em;
  margin-bottom: 14px;
}

.home-intro__lead--muted {
  color: var(--muted);
  font-size: 16px;
}

.home-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 18px;
}

.home-jump__item {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border: 2px solid var(--line-600);
  background: var(--ink-700);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: box-shadow 180ms cubic-bezier(0.2, 0.7, 0.2, 1),
    border-color 180ms cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
  box-shadow: var(--home-shadow-sm);
}

.home-jump__item--cyan { border-color: var(--signal); color: var(--signal); }
.home-jump__item--mint { border-color: var(--mint); color: var(--mint); }
.home-jump__item--amber { border-color: var(--amber); color: var(--amber); }

.home-jump__item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--line-600);
}

.home-intro__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* 错位叠层卡 */

.home-stack {
  position: relative;
  min-height: 288px;
  margin: 8px 12px 20px 0;
}

.home-stack__card {
  position: absolute;
  border: var(--edge);
  background: var(--ink-700);
  padding: 12px 14px;
  overflow: hidden;
}

.home-stack__card--back {
  inset: 0 62px 62px 0;
  z-index: 1;
  border-left: 4px solid var(--signal);
}

.home-stack__card--mid {
  inset: 24px 30px 32px 30px;
  z-index: 2;
  border-left: 4px solid var(--amber);
}

.home-stack__card--front {
  inset: 52px 0 0 58px;
  z-index: 3;
  padding: 0;
  box-shadow: var(--home-shadow);
}

.home-stack__card--front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.home-stack__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-stack__val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
  margin-top: 4px;
}

.home-stack__sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* ---------- 三主线 ---------- */

.home-lanes__grid {
  display: grid;
  gap: 18px;
}

.home-lane {
  padding: 20px 18px 22px;
  border: var(--edge);
  background: var(--ink-800);
  box-shadow: var(--home-shadow-sm);
  transition: box-shadow 200ms cubic-bezier(0.2, 0.7, 0.2, 1),
    border-color 200ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.home-lane:hover {
  box-shadow: 2px 2px 0 var(--line-600);
}

.home-lane--cyan:hover { border-color: var(--signal); }
.home-lane--mint:hover { border-color: var(--mint); }
.home-lane--amber:hover { border-color: var(--amber); }

.home-lane__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  margin-bottom: 10px;
}

.home-lane--cyan .home-lane__no { color: var(--signal); }
.home-lane--mint .home-lane__no { color: var(--mint); }
.home-lane--amber .home-lane__no { color: var(--amber); }

.home-lane h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
}

.home-lane__row {
  font-size: 14.5px;
  line-height: 1.8;
  color: #c8d3e6;
  margin-bottom: 10px;
}

.home-lane__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
}

.home-lane__go {
  display: inline-block;
  margin-top: 8px;
  padding-bottom: 2px;
  border-bottom: 2px solid currentColor;
  font-size: 14px;
  letter-spacing: 0.04em;
}

.home-lane--cyan .home-lane__go { color: var(--signal); }
.home-lane--mint .home-lane__go { color: var(--mint); }
.home-lane--amber .home-lane__go { color: var(--amber); }

.home-lane__go:hover { opacity: 0.75; }

/* ---------- 斜切色带 ---------- */

.home-band {
  display: grid;
  gap: 7px;
  margin: clamp(44px, 8vw, 96px) 0 clamp(36px, 6vw, 72px);
}

.home-band span {
  display: block;
  height: 3px;
  transform: skewY(-1.6deg);
}

.home-band span:first-child {
  width: 64%;
  background: var(--signal);
}

.home-band span:last-child {
  width: 38%;
  margin-left: auto;
  background: var(--amber);
}

/* ---------- 版本刻度 ---------- */

.home-versions {
  position: relative;
  padding: clamp(20px, 3vw, 34px) 0 0;
}

.home-versions__photo {
  position: absolute;
  top: 0;
  right: -14%;
  width: 92%;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}

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

.home-head--onphoto {
  position: relative;
  z-index: 1;
}

.home-scale {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 6px 2px 14px;
  border-top: 2px solid var(--line-600);
  list-style: none;
  scrollbar-width: thin;
}

.home-scale__item {
  flex: 0 0 auto;
  min-width: 96px;
  padding-right: 12px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.home-scale__v {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
  order: 2;
  margin-top: 10px;
}

.home-scale__tick {
  order: 1;
  display: block;
  width: 2px;
  height: 22px;
  background: var(--line-600);
  margin-top: -6px;
}

.home-scale__note {
  order: 3;
  display: block;
  margin-top: 6px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 12em;
}

.home-scale__item--current .home-scale__v { color: var(--signal); }
.home-scale__item--current .home-scale__tick {
  height: 34px;
  background: var(--signal);
}
.home-scale__item--current .home-scale__note {
  color: var(--mint);
}

.home-versions__foot {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.home-versions__foot a {
  color: var(--signal);
  border-bottom: 1px solid currentColor;
}

/* ---------- 仪表盘 ---------- */

.home-dashboard {
  margin-top: clamp(56px, 9vw, 110px);
}

.home-banner {
  margin-bottom: clamp(24px, 4vw, 40px);
  border: var(--edge);
  box-shadow: var(--home-shadow);
  overflow: hidden;
  background: var(--ink-700);
}

.home-banner img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.08);
}

.home-banner figcaption {
  padding: 10px 14px;
  border-top: var(--edge);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.home-stats {
  display: grid;
  gap: 14px;
  list-style: none;
}

.home-stats__card {
  padding: 18px 16px 20px;
  border: var(--edge);
  background: var(--ink-800);
  transition: border-color 200ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.home-stats__card:hover {
  border-color: var(--signal);
}

.home-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.home-stats__unit {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--amber);
}

.home-stats__label {
  margin-top: 12px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.home-stats__desc {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 笔记精选 ---------- */

.home-notes {
  margin-top: clamp(56px, 9vw, 110px);
}

.home-notes__list {
  display: grid;
  gap: 14px;
}

.home-note {
  padding: 18px 16px 20px;
  border: var(--edge);
  background: var(--ink-800);
  border-left: 4px solid var(--line-600);
  transition: border-left-color 200ms cubic-bezier(0.2, 0.7, 0.2, 1),
    box-shadow 200ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.home-note:hover {
  border-left-color: var(--mint);
  box-shadow: var(--home-shadow-sm);
}

.home-note__meta {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-note__kind {
  color: var(--mint);
}

.home-note h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 10px;
}

.home-note__body {
  font-size: 14.5px;
  line-height: 1.8;
  color: #c8d3e6;
  margin-bottom: 14px;
}

.home-note__go {
  font-size: 13.5px;
  color: var(--signal);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.home-note__go:hover { opacity: 0.75; }

/* ---------- 结尾双动作 ---------- */

.home-next {
  margin-top: clamp(56px, 9vw, 110px);
}

.home-next__grid {
  display: grid;
  gap: 22px;
}

.home-next__acts {
  display: grid;
  gap: 14px;
}

.home-next__act {
  display: grid;
  gap: 4px;
  padding: 20px 18px;
  border: 2px solid var(--line-600);
  background: var(--ink-700);
  box-shadow: var(--home-shadow-sm);
  transition: box-shadow 200ms cubic-bezier(0.2, 0.7, 0.2, 1),
    border-color 200ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.home-next__act:hover {
  box-shadow: 2px 2px 0 var(--line-600);
}

.home-next__act--cyan:hover { border-color: var(--signal); }
.home-next__act--amber:hover { border-color: var(--amber); }

.home-next__k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.home-next__act--cyan .home-next__k { color: var(--signal); }
.home-next__act--amber .home-next__k { color: var(--amber); }

.home-next__act strong {
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 700;
}

.home-next__d {
  font-size: 13.5px;
  color: var(--muted);
}

.home-next__alt {
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.home-next__alt a {
  color: var(--mint);
  border-bottom: 1px solid currentColor;
}

.home-next__figure {
  border: var(--edge);
  background: var(--ink-800);
  overflow: hidden;
}

.home-next__figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.06);
}

.home-next__figure figcaption {
  padding: 10px 14px;
  border-top: var(--edge);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 悬浮查询面板 ---------- */

.home-dock {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 40;
  width: min(268px, calc(100vw - 24px));
  border: var(--edge);
  background: var(--ink-800);
  box-shadow: var(--home-shadow-sm);
}

.home-dock__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--signal);
  cursor: pointer;
  list-style: none;
}

.home-dock__summary::-webkit-details-marker { display: none; }

.home-dock__dot {
  width: 8px;
  height: 8px;
  background: var(--signal);
  box-shadow: 0 0 0 2px rgba(55, 240, 194, 0.22);
}

.home-dock__body {
  padding: 0 14px 14px;
  border-top: var(--edge);
}

.home-dock__title {
  padding: 10px 0 8px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.home-dock__list {
  list-style: none;
  display: grid;
  gap: 6px;
}

.home-dock__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line-600);
  font-size: 13.5px;
  color: var(--paper);
}

.home-dock__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.home-dock__list a:hover {
  border-color: var(--signal);
}

.home-dock__foot {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--muted);
}

.home-dock__foot a {
  color: var(--amber);
  border-bottom: 1px solid currentColor;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .home-lanes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .home-notes__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .home-stack {
    min-height: 340px;
  }
}

@media (min-width: 960px) {
  .home-shell {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 52px);
  }

  .home-rail {
    position: sticky;
    top: 96px;
    display: block;
    padding: 20px 14px;
    align-self: start;
  }

  .home-rail__ver {
    font-size: 11px;
  }

  .home-rail__num {
    font-size: 34px;
    line-height: 1;
    margin: 6px 0 18px;
  }

  .home-rail__nav {
    display: grid;
    gap: 10px;
    padding-top: 16px;
    border-top: 2px solid var(--line-600);
  }

  .home-rail__nav a {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--muted);
    padding-left: 10px;
    border-left: 2px solid transparent;
    line-height: 1.5;
  }

  .home-rail__nav a:hover {
    color: var(--signal);
    border-left-color: var(--signal);
  }

  .home-rail__paths {
    display: block;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 2px solid var(--line-600);
    font-size: 10px;
    line-height: 2;
    letter-spacing: 0.16em;
  }

  .home-intro {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: clamp(28px, 3.4vw, 56px);
  }

  .home-intro__text {
    padding-top: 12px;
  }

  .home-stack {
    min-height: 420px;
    margin-top: 14px;
  }

  .home-lanes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .home-lane:nth-child(2) {
    transform: translateY(24px);
  }

  .home-lane:nth-child(3) {
    transform: translateY(48px);
  }

  .home-lanes {
    padding-bottom: 56px;
  }

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

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

  .home-next__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .home-scale {
    overflow-x: visible;
    justify-content: space-between;
  }

  .home-scale__item {
    min-width: 0;
    flex: 1 1 0;
  }

  .home-banner img {
    aspect-ratio: 16 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-jump__item,
  .page-home .home-lane,
  .page-home .home-note,
  .page-home .home-next__act,
  .page-home .home-stats__card {
    transition: none;
  }
  .page-home .home-jump__item:hover,
  .page-home .home-lane:nth-child(2),
  .page-home .home-lane:nth-child(3) {
    transform: none;
  }
}
<<<END>>>