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

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

.page-home .band {
  padding-block: clamp(2.25rem, 6vw, 4rem);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: clamp(1rem, 3vw, 1.75rem) clamp(2rem, 5.5vw, 3.5rem);
}

.page-home .hero__wash {
  position: absolute;
  z-index: 0;
  inset: -18% -22% 32% 34%;
  background: linear-gradient(156deg, var(--terracotta-soft) 0%, var(--warm-gray) 58%, var(--paper) 100%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 70%);
  opacity: 0.6;
  pointer-events: none;
}

.page-home .hero > .shell {
  position: relative;
  z-index: 1;
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  align-items: start;
}

.page-home .hero__eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.32rem 0.66rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--terracotta-deep);
  background: rgba(226, 179, 155, 0.28);
  border: 1px solid var(--terracotta-soft);
  border-radius: var(--radius);
}

.page-home .hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 7vw, 3.4rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .hero__title em {
  display: block;
  font-style: normal;
  color: var(--terracotta);
}

.page-home .hero__lede {
  max-width: 34em;
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 2.5vw, 1.08rem);
  line-height: 1.85;
  color: var(--frame);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

.page-home .hero__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--rock);
}

.page-home .hero__panel {
  position: relative;
  margin-top: 0.25rem;
  padding: clamp(0.7rem, 3vw, 1.1rem);
  background: var(--paper-deep);
  border: var(--line);
  box-shadow: var(--shadow-hard);
}

.page-home .hero__accent {
  position: absolute;
  z-index: 0;
  inset: auto -12px -16px 18%;
  height: 46%;
  background: var(--terracotta);
  clip-path: polygon(10% 0, 100% 20%, 100% 100%, 0 100%);
  opacity: 0.16;
  pointer-events: none;
}

.page-home .hero__shot {
  position: relative;
  z-index: 1;
  aspect-ratio: 4 / 3;
}

/* ---------- 章节索引条 ---------- */
.page-home .section-index-bar {
  border-block: 1px solid var(--warm-gray);
}

.page-home .section-index-bar__list {
  display: flex;
  gap: 1.35rem;
  margin: 0;
  padding: 0.75rem 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .section-index-bar__list::-webkit-scrollbar {
  display: none;
}

.page-home .section-index-bar__list a {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--rock);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .section-index-bar__list a:hover,
.page-home .section-index-bar__list a.is-active {
  color: var(--terracotta-deep);
  border-bottom-color: var(--terracotta);
}

/* ---------- 通用章节头 ---------- */
.page-home .section-head {
  margin-bottom: clamp(1.25rem, 4vw, 2rem);
}

.page-home .section-index {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--terracotta);
}

.page-home .section-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.32;
  color: var(--ink);
}

.page-home .section-lead {
  max-width: 46em;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--frame);
}

/* ---------- 版本对照 ---------- */
.page-home .band--compare {
  background: var(--paper);
}

.page-home .compare-head {
  display: grid;
  gap: clamp(1rem, 3vw, 1.75rem);
}

.page-home .compare-head__figure {
  aspect-ratio: 3 / 2;
  margin: 0;
  border: var(--line);
  box-shadow: 4px 4px 0 0 rgba(95, 87, 77, 0.16);
}

.page-home .compare-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(78%, 290px);
  gap: 0.9rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.9rem;
}

.page-home .compare-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1rem 1rem 1.15rem;
  background: var(--paper);
  border: var(--line);
  box-shadow: 4px 4px 0 0 rgba(95, 87, 77, 0.18);
  scroll-snap-align: start;
}

.page-home .compare-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-home .compare-card__title {
  margin: 0 0 0.2rem;
  padding-bottom: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--ink);
  border-bottom: 1px solid var(--warm-gray);
}

.page-home .compare-card__row {
  padding-left: 0.6rem;
  border-left: 4px solid var(--terracotta-soft);
}

.page-home .compare-card__row--new {
  border-left-color: var(--ink-green);
}

.page-home .compare-card__ver {
  display: block;
  margin-bottom: 0.18rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.page-home .compare-card__ver--std {
  color: var(--terracotta-deep);
}

.page-home .compare-card__ver--new {
  color: var(--ink-green);
}

.page-home .compare-card__row p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--frame);
}

.page-home .compare-hint {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--rock);
}

/* ---------- 六步流程 ---------- */
.page-home .band--steps {
  background: var(--paper-deep);
}

.page-home .steps__figure {
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  border: var(--line);
  box-shadow: 4px 4px 0 0 rgba(95, 87, 77, 0.16);
}

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

.page-home .steps__item {
  position: relative;
  padding-left: 2.3rem;
}

.page-home .steps__item::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  top: 1.4rem;
  bottom: -0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--terracotta) 0%, var(--moss) 100%);
  opacity: 0.55;
}

.page-home .steps__item:last-child::before {
  display: none;
}

.page-home .step-card {
  margin-bottom: 0.75rem;
  background: var(--paper);
  border: var(--line);
  box-shadow: 4px 4px 0 0 rgba(95, 87, 77, 0.16);
}

.page-home .step-card__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.8rem 0.95rem;
  cursor: pointer;
  list-style: none;
}

.page-home .step-card__head::-webkit-details-marker {
  display: none;
}

.page-home .step-card__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--terracotta);
}

.page-home .step-card[open] .step-card__head::after {
  content: "–";
}

.page-home .step-card__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: var(--terracotta);
}

.page-home .step-card__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .step-card__body {
  margin: 0;
  padding: 0 0.95rem 0.95rem 2.6rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--frame);
}

.page-home .steps__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

/* ---------- 手边工具 ---------- */
.page-home .band--toolkit {
  background: var(--paper);
}

.page-home .toolkit__grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2rem);
}

.page-home .toolkit__cards {
  display: grid;
  gap: 0.8rem;
}

.page-home .tool-card {
  padding: 0.95rem 1rem 1.05rem;
  background: var(--paper-deep);
  border: var(--line);
  border-left-width: 6px;
  border-left-color: var(--terracotta);
}

.page-home .tool-card__tag {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--terracotta-deep);
}

.page-home .tool-card__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .tool-card p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--frame);
}

.page-home .tool-card__link {
  display: inline-block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--terracotta-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--terracotta-soft);
}

.page-home .tool-card__link:hover {
  color: var(--ink-green);
  border-bottom-color: var(--ink-green);
}

.page-home .toolkit__figure {
  aspect-ratio: 4 / 3;
  margin: 0;
  border: var(--line);
  box-shadow: 4px 4px 0 0 rgba(95, 87, 77, 0.16);
}

/* ---------- 近期动态 ---------- */
.page-home .band--updates {
  background: var(--warm-gray);
}

.page-home .updates__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .updates__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--frame);
}

.page-home .updates__item {
  padding: 0.95rem 0 1rem;
  border-bottom: 1px solid rgba(95, 87, 77, 0.28);
}

.page-home .updates__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}

.page-home .updates__time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--rock);
}

.page-home .updates__title {
  margin: 0 0 0.25rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .updates__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--frame);
}

.page-home .updates__more {
  margin-top: 1.5rem;
}

.page-home .facts-card {
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--ink-green);
  color: var(--paper);
  border: 2px solid var(--frame);
  box-shadow: var(--shadow-hard);
}

.page-home .facts-card__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .facts-card__list {
  margin: 0;
}

.page-home .facts-card__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(244, 239, 230, 0.22);
}

.page-home .facts-card__row dt {
  font-size: 0.84rem;
  color: rgba(244, 239, 230, 0.82);
}

.page-home .facts-card__row dd {
  margin: 0;
  font-size: 0.88rem;
  text-align: right;
  color: var(--paper);
}

.page-home .facts-card__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--terracotta-soft);
}

.page-home .facts-card__note {
  margin: 0.9rem 0 0.8rem;
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.78);
}

.page-home .facts-card__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--terracotta-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 179, 155, 0.6);
}

.page-home .facts-card__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 收尾 ---------- */
.page-home .closer {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(2.25rem, 6vw, 3.75rem);
}

.page-home .closer__inner {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2rem);
}

.page-home .closer__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-home .closer__text {
  margin: 0;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.8);
}

.page-home .closer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

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

.page-home .closer__btn-light:hover {
  background: var(--terracotta-soft);
  border-color: var(--terracotta-soft);
  color: var(--ink);
}

.page-home .closer__btn-line {
  background: transparent;
  color: var(--paper);
  border-color: rgba(244, 239, 230, 0.6);
}

.page-home .closer__btn-line:hover {
  background: rgba(244, 239, 230, 0.12);
  border-color: var(--paper);
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .toolkit__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .closer__actions {
    align-content: start;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
  }

  .page-home .hero__panel {
    margin-top: clamp(0.5rem, 2vw, 1.75rem);
  }

  .page-home .compare-head {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: end;
  }

  .page-home .compare-rail {
    grid-auto-columns: 258px;
  }

  .page-home .toolkit__grid {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .page-home .toolkit__figure {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-home .facts-card {
    align-self: start;
  }

  .page-home .closer__inner {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

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

@media (min-width: 1024px) {
  .page-home .updates__grid {
    grid-template-columns: 1.55fr 1fr;
    align-items: start;
  }

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

@media (max-width: 420px) {
  .page-home .steps__item {
    padding-left: 1.85rem;
  }

  .page-home .steps__item::before {
    left: 0.7rem;
  }

  .page-home .step-card__body {
    padding-left: 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .section-index-bar__list a,
  .page-home .tool-card__link,
  .page-home .facts-card__link,
  .page-home .closer__btn-light,
  .page-home .closer__btn-line {
    transition: none;
  }
}
<<<END>>>