.page-home {
  --home-sec-gap: 56px;
  --home-gutter: 24px;
}

.page-home .breadcrumb {
  padding-top: 20px;
}

/* ── 首屏 ───────────────────────────────────── */
.page-home .home-hero {
  position: relative;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(180deg, rgba(43, 227, 214, 0.07), rgba(7, 12, 22, 0) 68%),
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0) 0 3px, rgba(43, 227, 214, 0.03) 3px 4px);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: end;
}

.page-home .home-hero__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .home-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-home .home-hero__lede {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
}

.page-home .home-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__ruler {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
}

.page-home .home-hero__ruler-cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-home .home-hero__ruler-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-home .tier-ruler {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .tier-ruler__axis {
  stroke: var(--line);
  stroke-width: 1;
}

.page-home .tier-ruler__seg--1 { fill: var(--t1); }
.page-home .tier-ruler__seg--2 { fill: var(--t2); }
.page-home .tier-ruler__seg--3 { fill: var(--t3); }
.page-home .tier-ruler__seg--4 { fill: var(--t4); }
.page-home .tier-ruler__seg--5 { fill: var(--t5); }

.page-home .tier-ruler__label {
  fill: var(--gray);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ── 横幅 ───────────────────────────────────── */
.page-home .home-banner {
  margin: 32px 0 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 22px));
}

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

.page-home .home-banner figcaption {
  padding: 12px 16px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  background: var(--panel);
}

/* ── 章节通用 ───────────────────────────────── */
.page-home .home-sec {
  padding-top: var(--home-sec-gap);
}

.page-home .home-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-home .chapter-no {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 7vw, 3rem);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(43, 227, 214, 0.55);
}

.page-home .chapter-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-home .home-sec__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ── 速查表 ─────────────────────────────────── */
.page-home .home-tier__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .home-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-home .home-tier-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .home-code-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .home-tier-table th,
.page-home .home-tier-table td,
.page-home .home-code-table th,
.page-home .home-code-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  color: var(--fg-2);
}

.page-home .home-tier-table thead th,
.page-home .home-code-table thead th {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gray);
  background: rgba(30, 43, 66, 0.45);
  white-space: nowrap;
}

.page-home .home-tier-table tbody th,
.page-home .home-code-table tbody th {
  color: var(--fg);
  font-weight: 600;
  white-space: nowrap;
}

.page-home .home-tier-table tbody tr:nth-child(odd),
.page-home .home-code-table tbody tr:nth-child(odd) {
  background: rgba(7, 12, 22, 0.5);
}

.page-home .home-tier-table tbody tr:hover {
  background: rgba(43, 227, 214, 0.08);
}

.page-home .home-tier-table tbody tr:hover td,
.page-home .home-tier-table tbody tr:hover th {
  border-bottom-color: var(--cyan);
}

.page-home .home-tier-table tbody tr[data-active] {
  background: rgba(43, 227, 214, 0.14);
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-home .home-tier-table .num,
.page-home .home-code-table .num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
}

.page-home .tier-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  vertical-align: middle;
  border-radius: 50%;
}

.page-home .tier-dot--1 { background: var(--t1); }
.page-home .tier-dot--2 { background: var(--t2); }
.page-home .tier-dot--3 { background: var(--t3); }
.page-home .tier-dot--4 { background: var(--t4); }
.page-home .tier-dot--5 { background: var(--t5); }

.page-home .home-tier__aside {
  display: grid;
  gap: 16px;
}

.page-home .home-shot {
  margin: 0;
}

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

.page-home .home-tier__note {
  border-left: 2px solid var(--amber);
  background: var(--panel);
  padding: 16px;
}

.page-home .home-tier__note h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.page-home .home-tier__note p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-2);
}

.page-home .home-tier__note p:last-child {
  margin-bottom: 0;
}

.page-home .home-tier__note a,
.page-home .home-guide a,
.page-home .home-score a,
.page-home .home-end__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 214, 0.4);
}

.page-home .home-tier__note a:hover,
.page-home .home-guide a:hover,
.page-home .home-score a:hover,
.page-home .home-end__text a:hover {
  border-bottom-color: var(--cyan);
}

/* ── 分类卡带 ───────────────────────────────── */
.page-home .home-cats {
  position: relative;
  margin-top: 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-home .home-cats__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-home .home-cats__rail {
  position: relative;
  display: flex;
  gap: 14px;
  padding: 24px 16px 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .cat-card {
  scroll-snap-align: start;
  flex: 0 0 210px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(7, 12, 22, 0.86);
  color: var(--fg);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .cat-card:hover,
.page-home .cat-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .cat-card__name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.01em;
}

.page-home .cat-card__count {
  font-size: 13px;
  color: var(--fg-2);
}

.page-home .cat-card__count .num {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--amber);
  margin-right: 4px;
}

.page-home .cat-bar {
  display: flex;
  gap: 2px;
  height: 6px;
}

.page-home .cat-bar__seg {
  flex: 0 0 auto;
  height: 100%;
}

.page-home .cat-bar__seg--1 { width: var(--a); background: var(--t1); }
.page-home .cat-bar__seg--2 { width: var(--b); background: var(--t2); }
.page-home .cat-bar__seg--3 { width: var(--c); background: var(--t3); }
.page-home .cat-bar__seg--4 { width: var(--d); background: var(--t4); }
.page-home .cat-bar__seg--5 { width: var(--e); background: var(--t5); }

.page-home .cat-card__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
}

.page-home .home-cats__hint {
  position: relative;
  margin: 0;
  padding: 0 16px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

/* ── 攻略 ───────────────────────────────────── */
.page-home .home-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .home-guide__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
}

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

.page-home .home-guide__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-2);
}

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.page-home .home-stat {
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--panel);
  padding: 16px;
}

.page-home .home-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5.4vw, 2.1rem);
  line-height: 1.1;
  color: var(--amber);
}

.page-home .home-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

/* ── 评分 ───────────────────────────────────── */
.page-home .home-score {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .home-score__text {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
}

.page-home .home-stats--row {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

/* ── 安装 ───────────────────────────────────── */
.page-home .home-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.page-home .home-install__shot {
  margin: 0;
}

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

.page-home .home-install__body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
}

.page-home .home-install__sizes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  margin-bottom: 20px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-install__size {
  background: var(--panel);
  padding: 14px;
}

.page-home .home-install__size-name {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gray);
  margin-bottom: 6px;
}

.page-home .home-install__size-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--cyan);
}

/* ── 收尾 ───────────────────────────────────── */
.page-home .home-sec--end {
  padding-bottom: 64px;
}

.page-home .home-end__text {
  margin: 0 0 20px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-home .home-backtop {
  margin: 0;
}

.page-home .home-backtop a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 214, 0.5);
  padding-bottom: 2px;
}

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

/* ── 响应式 ─────────────────────────────────── */
@media (min-width: 720px) {
  .page-home {
    --home-sec-gap: 72px;
  }

  .page-home .home-cats__rail {
    padding: 28px 24px 20px;
  }

  .page-home .home-cats__hint {
    padding: 0 24px 20px;
  }

  .page-home .home-install {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 28px;
  }

  .page-home .home-guide {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-home .home-score {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: start;
    gap: 32px;
  }
}

@media (min-width: 960px) {
  .page-home {
    --home-sec-gap: 88px;
  }

  .page-home .home-hero {
    padding: 40px 0 56px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-home .home-tier__layout {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 24px;
    align-items: start;
  }

  .page-home .home-tier__aside {
    margin-top: 8px;
  }
}

@media (min-width: 1180px) {
  .page-home .cat-card {
    flex-basis: 228px;
  }

  .page-home .home-install {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-card {
    transition-duration: 0ms;
  }
}
<<<END>>>

.page-home {
  --a: 1rem;
  --b: 1rem;
  --c: 1rem;
  --d: 1rem;
  --e: 1rem;
}