.page-home {
  --home-gap-s: 24px;
  --home-gap-m: 40px;
  --home-gap-l: 72px;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-top: 32px;
}

.page-home .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap-l);
  align-items: start;
}

.page-home .hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 5.2vw, 68px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--sand);
  font-weight: 900;
}

.page-home .hero-copy .lede {
  margin-top: 20px;
  max-width: 62ch;
  color: var(--graphite);
  font-size: 17px;
  line-height: 1.75;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 32px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .hero-status li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-home .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.page-home .status-dot--ok { background: var(--recover); box-shadow: 0 0 0 3px rgba(63, 191, 127, 0.15); }
.page-home .status-dot--watch { background: var(--amber); box-shadow: 0 0 0 3px rgba(255, 138, 30, 0.15); }

.page-home .status-key { color: var(--sand); }
.page-home .status-value { color: var(--graphite); }

/* 首屏右侧视觉 */
.page-home .hero-visual {
  position: relative;
  display: grid;
  gap: var(--home-gap-s);
}

.page-home .mesh-svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--charcoal);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px;
}

.page-home .mesh-panel { fill: rgba(255, 255, 255, 0.04); stroke: var(--line); stroke-width: 1; }
.page-home .mesh-bar { fill: var(--sand); opacity: 0.85; }
.page-home .mesh-bar--dim { fill: var(--graphite); opacity: 0.55; }
.page-home .mesh-chip { fill: rgba(255, 138, 30, 0.28); stroke: var(--amber); stroke-width: 1; }
.page-home .mesh-chip--dim { fill: rgba(51, 225, 214, 0.12); stroke: var(--cyan-dark); stroke-width: 1; }
.page-home .mesh-link { stroke: url(#beam); stroke-width: 2; stroke-dasharray: 6 6; }
.page-home .mesh-node { fill: var(--amber); }
.page-home .mesh-node--cyan { fill: var(--cyan); }
.page-home .mesh-callout text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  fill: var(--amber);
}
.page-home .mesh-callout--right text { text-anchor: end; fill: var(--cyan); }
.page-home .mesh-callout--dim,
.page-home text.mesh-callout--dim { font-size: 10px; letter-spacing: 0.08em; fill: var(--graphite); }

.page-home .hero-shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  transform: rotate(-0.6deg);
}

.page-home .hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* ---------- 通用小节标题 ---------- */
.page-home .section-title {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--sand);
  font-weight: 900;
}

.page-home .section-sub {
  margin-top: 16px;
  max-width: 66ch;
  color: var(--graphite);
  line-height: 1.75;
}

/* ---------- 两个入口 ---------- */
.page-home .entry-bento {
  margin-top: var(--home-gap-m);
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--charcoal);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-within {
  border-color: var(--amber);
  background: #171e27;
}

.page-home .entry-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-home .entry-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-home .entry-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  color: var(--sand);
  letter-spacing: -0.01em;
}

.page-home .entry-card p {
  margin: 0;
  color: var(--graphite);
  line-height: 1.75;
  font-size: 15px;
}

.page-home .entry-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--sand);
}

.page-home .entry-card__list li {
  position: relative;
  padding-left: 18px;
  line-height: 1.6;
}

.page-home .entry-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-home .entry-card__link {
  margin-top: auto;
  align-self: flex-start;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-home .entry-card__link:hover,
.page-home .entry-card__link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-home .entry-note {
  padding: 26px 24px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .entry-note h4 {
  margin: 0;
  font-size: 17px;
  color: var(--sand);
}

.page-home .entry-note p {
  margin: 0;
  color: var(--graphite);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .entry-figure {
  margin: 4px 0 0;
  border-radius: 3px;
  overflow: hidden;
}

.page-home .entry-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 四步自检 ---------- */
.page-home .selfcheck {
  background: linear-gradient(180deg, transparent, rgba(20, 26, 34, 0.6) 30%, transparent);
}

.page-home .selfcheck__intro .section-sub {
  max-width: 70ch;
}

.page-home .steps {
  list-style: none;
  margin: var(--home-gap-m) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
  border-top: 1px solid var(--line);
}

.page-home .step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .step__num {
  font-family: var(--font-mono);
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.9;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--cyan-dark);
  letter-spacing: -0.04em;
  transition: -webkit-text-stroke-color 180ms ease;
}

.page-home .step:hover .step__num {
  -webkit-text-stroke-color: var(--cyan);
}

.page-home .step__body h3 {
  margin: 0 0 10px;
  font-size: 21px;
  color: var(--sand);
  letter-spacing: -0.01em;
}

.page-home .step__body > p {
  margin: 0 0 14px;
  max-width: 62ch;
  color: var(--graphite);
  line-height: 1.75;
}

.page-home .step details {
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  max-width: 62ch;
}

.page-home .step summary {
  cursor: pointer;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  list-style: none;
}

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

.page-home .step summary::after {
  content: " ＋";
  color: var(--graphite);
  font-weight: 400;
}

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

.page-home .step details p {
  margin: 12px 0 2px;
  color: var(--graphite);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .step__figure {
  margin: 18px 0 0;
  max-width: 460px;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-home .step__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .selfcheck__fallback {
  margin-top: var(--home-gap-m);
}

.page-home .fallback-card {
  padding: 30px 26px;
  border: 1px solid var(--amber-deep);
  border-left: 3px solid var(--amber);
  border-radius: 4px;
  background: rgba(255, 138, 30, 0.06);
}

.page-home .fallback-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--sand);
}

.page-home .fallback-card p {
  margin: 0;
  max-width: 66ch;
  color: var(--graphite);
  line-height: 1.75;
}

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

/* ---------- 资源轨道 ---------- */
.page-home .resources__head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-home .resources__more {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dark);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-home .resources__more:hover,
.page-home .resources__more:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-home .track {
  margin-top: var(--home-gap-m);
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 16px;
  scrollbar-color: var(--line) transparent;
  scrollbar-width: thin;
}

.page-home .track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-home .res-card {
  scroll-snap-align: start;
  flex: 0 0 78%;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--charcoal);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-home .res-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-home .res-card__figure {
  margin: -24px -22px 4px;
  border-bottom: 1px solid var(--line);
}

.page-home .res-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .res-card h3 {
  margin: 0;
  font-size: 18px;
  color: var(--sand);
  line-height: 1.4;
}

.page-home .res-card p {
  margin: 0;
  color: var(--graphite);
  font-size: 14px;
  line-height: 1.7;
}

.page-home .res-card__meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .res-card--lead {
  background: #171e27;
  border-color: var(--line);
}

.page-home .res-card--end {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  border-left: 3px solid var(--amber);
  justify-content: center;
}

.page-home .res-card--end .btn {
  margin-top: 8px;
  align-self: flex-start;
}

/* ---------- 版本更新节奏 ---------- */
.page-home .timeline {
  list-style: none;
  margin: var(--home-gap-m) 0 0;
  padding: 0 0 0 22px;
  position: relative;
  display: grid;
  gap: 32px;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), var(--cyan-dark), var(--line));
}

.page-home .timeline__item {
  position: relative;
}

.page-home .timeline__marker {
  position: absolute;
  left: -25px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--obsidian);
  border: 2px solid var(--amber);
}

.page-home .timeline__when {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .timeline__content h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--sand);
  line-height: 1.4;
}

.page-home .timeline__content p {
  margin: 0;
  max-width: 66ch;
  color: var(--graphite);
  line-height: 1.75;
  font-size: 15px;
}

.page-home .versions__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--home-gap-m);
}

/* ---------- 服务与支持 ---------- */
.page-home .support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap-m);
}

.page-home .support__main .prose {
  max-width: 62ch;
}

.page-home .support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .support__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-home .support__card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--charcoal);
}

.page-home .support__card--glass {
  background: var(--glass);
  backdrop-filter: blur(6px);
}

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

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

.page-home .support__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(38, 48, 59, 0.6);
}

.page-home .support__list li:last-child { border-bottom: none; }

.page-home .support__list a {
  color: var(--sand);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

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

.page-home .support__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--graphite);
  flex: none;
}

.page-home .support__hours {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-home .hero-split {
    grid-template-columns: 1fr 0.82fr;
    gap: var(--home-gap-m);
    align-items: stretch;
  }

  .page-home .entry-bento {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: auto;
  }

  .page-home .entry-note {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: 28px;
  }

  .page-home .entry-note h4,
  .page-home .entry-note p {
    flex: 1 1 50%;
  }

  .page-home .entry-note h4 { flex: 0 0 auto; }
  .page-home .entry-figure { flex: 1 1 42%; margin: 0; }

  .page-home .step {
    grid-template-columns: 150px 1fr;
    gap: 28px;
    align-items: start;
  }

  .page-home .step__num {
    position: sticky;
    top: 24px;
  }

  .page-home .res-card { flex-basis: 46%; }

  .page-home .resources__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-home .resources__head > div { flex: 1 1 auto; }

  .page-home .timeline { padding-left: 30px; }
  .page-home .timeline__marker { left: -33px; }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1040px) {
  .page-home .home-hero { padding-top: 48px; }

  .page-home .entry-bento {
    grid-template-columns: 5fr 5fr 4fr;
  }

  .page-home .entry-note {
    grid-column: auto;
    flex-direction: column;
    align-items: stretch;
  }

  .page-home .entry-note h4,
  .page-home .entry-note p { flex: 1 1 auto; }
  .page-home .entry-figure { flex: 1 1 auto; margin: 4px 0 0; }

  .page-home .step {
    grid-template-columns: 190px 1fr;
    gap: 44px;
    padding: 40px 0;
  }

  .page-home .res-card { flex-basis: 300px; max-width: 340px; }
  .page-home .track { gap: 24px; }

  .page-home .support__grid {
    grid-template-columns: 1.35fr 1fr;
    gap: var(--home-gap-l);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card,
  .page-home .entry-card__link,
  .page-home .res-card,
  .page-home .step__num,
  .page-home .support__list a,
  .page-home .resources__more {
    transition: none;
  }
  .page-home .res-card:hover { transform: none; }
}