.page-home {
  --home-cut: 16px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 44px) clamp(48px, 8vw, 88px);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(148deg, var(--ab-surface) 0%, var(--ab-ink) 58%);
  clip-path: polygon(0 0, 100% 0, 100% 76%, 0 100%);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -10%;
  width: 52%;
  height: 74%;
  z-index: -1;
  background: linear-gradient(118deg, rgba(59, 232, 168, 0.16), rgba(59, 232, 168, 0) 68%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 76%);
  pointer-events: none;
}

.page-home .home-hero__inner {
  margin-top: clamp(22px, 4vw, 40px);
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-home .home-hero__chapter {
  display: block;
  font-family: var(--ab-mono);
  font-size: clamp(56px, 15vw, 128px);
  font-weight: 200;
  line-height: 0.8;
  letter-spacing: -0.06em;
  color: var(--ab-text);
  opacity: 0.14;
  margin-bottom: 10px;
}

.page-home .home-hero__title {
  margin: 10px 0 18px;
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ab-text);
}

.page-home .home-hero__title strong {
  display: block;
  font-weight: 800;
  color: var(--ab-accent);
}

.page-home .home-hero__lead {
  margin: 0 0 26px;
  max-width: 540px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ab-muted);
}

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

.page-home .home-hero__media {
  position: relative;
  margin: 0;
  clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 100%);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06) brightness(0.84) hue-rotate(-6deg);
}

.page-home .home-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44%;
  height: 3px;
  background: var(--ab-amber);
}

/* ---------- 首屏双时间线 ---------- */
.page-home .home-tl {
  margin-top: clamp(32px, 5vw, 56px);
  display: grid;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-home .home-tl__col {
  background: var(--ab-ink);
  padding: 20px clamp(16px, 3vw, 28px) 24px;
}

.page-home .home-tl__col--new {
  background: var(--ab-surface);
}

.page-home .home-tl__tag {
  margin: 0 0 14px;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ab-muted);
}

.page-home .home-tl__col--new .home-tl__tag {
  color: var(--ab-amber);
}

.page-home .home-tl__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-home .home-tl__nodes li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ab-text);
}

.page-home .home-tl__nodes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--ab-line);
}

.page-home .home-tl__col--new .home-tl__nodes li::before {
  background: var(--ab-accent);
  width: 14px;
}

/* ---------- 章节骨架 ---------- */
.page-home .home-ch {
  padding-block: clamp(52px, 8vw, 104px);
  border-top: 1px solid var(--ab-line);
}

.page-home .home-ch__grid {
  display: grid;
  gap: clamp(20px, 4vw, 32px);
}

.page-home .home-ch__head {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .home-ch__no {
  font-family: var(--ab-mono);
  font-size: clamp(44px, 9vw, 84px);
  font-weight: 200;
  line-height: 0.84;
  letter-spacing: -0.05em;
  color: var(--ab-text);
  opacity: 0.16;
}

.page-home .home-ch__title {
  margin: 0;
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 300;
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--ab-text);
}

.page-home .home-ch__title strong {
  font-weight: 800;
  color: var(--ab-accent);
}

.page-home .home-ch__body > p {
  margin: 0 0 18px;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ab-muted);
}

.page-home .home-ch__body > p a {
  color: var(--ab-mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-ch__body > p a:hover,
.page-home .home-ch__body > p a:focus-visible {
  color: var(--ab-accent);
}

/* ---------- 订阅方案 ---------- */
.page-home .home-plans {
  display: grid;
  gap: 14px;
  margin: 4px 0 22px;
}

.page-home .home-plan {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--ab-surface);
  border: 1px solid var(--ab-line);
  clip-path: polygon(0 0, calc(100% - var(--home-cut)) 0, 100% var(--home-cut), 100% 100%, 0 100%);
}

.page-home .home-plan::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--ab-line);
}

.page-home .home-plan:last-child::before {
  background: var(--ab-accent);
}

.page-home .home-plan__t {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ab-text);
}

.page-home .home-plan__n {
  margin: 0 0 12px;
  font-family: var(--ab-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ab-accent);
  font-variant-numeric: tabular-nums;
}

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

/* ---------- 场馆字段 ---------- */
.page-home .home-fields {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-home .home-fields li {
  background: var(--ab-ink);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-home .home-fields__k {
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ab-accent);
}

.page-home .home-fields__v {
  font-size: 14px;
  line-height: 1.68;
  color: var(--ab-muted);
}

.page-home .home-banner {
  margin: 26px 0 0;
}

.page-home .home-banner img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 320px);
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.78) contrast(1.05);
}

/* ---------- 数字看板 ---------- */
.page-home .home-scale {
  display: grid;
  gap: 20px;
}

.page-home .home-metrics {
  display: grid;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-home .home-metric {
  background: var(--ab-surface);
  padding: 20px 18px;
}

.page-home .home-metric__n {
  display: block;
  font-family: var(--ab-mono);
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ab-accent);
  font-variant-numeric: tabular-nums;
}

.page-home .home-metric__n small {
  margin-left: 6px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ab-muted);
}

.page-home .home-metric__l {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ab-muted);
}

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

.page-home .home-terminal img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.78) brightness(0.86);
  border: 1px solid var(--ab-line);
}

.page-home .home-terminal figcaption,
.page-home .home-handheld figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ab-muted);
}

/* ---------- 案例 ---------- */
.page-home .home-cases {
  display: grid;
  gap: 14px;
  margin: 4px 0 24px;
}

.page-home .home-case {
  display: block;
  padding: 20px 18px 22px;
  background: var(--ab-surface);
  border: 1px solid var(--ab-line);
  color: inherit;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  transition: border-color 0.25s var(--ab-ease), background-color 0.25s var(--ab-ease), transform 0.25s var(--ab-ease);
}

.page-home .home-case:hover,
.page-home .home-case:focus-visible {
  border-color: var(--ab-mint);
  background: var(--ab-layer);
  transform: translateY(-2px);
}

.page-home .home-case__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ab-amber);
}

.page-home .home-case__t {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ab-text);
}

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

.page-home .home-handheld {
  margin: 0 0 22px;
}

.page-home .home-handheld img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.84) hue-rotate(-4deg);
}

/* ---------- 反馈带 ---------- */
.page-home .home-cta {
  border-top: 1px solid var(--ab-line);
  background: linear-gradient(122deg, var(--ab-surface) 0%, var(--ab-ink) 72%);
  padding-block: clamp(40px, 6vw, 76px);
}

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

.page-home .home-cta__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 300;
  line-height: 1.28;
  color: var(--ab-text);
}

.page-home .home-cta__text {
  margin: 0;
  max-width: 580px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ab-muted);
}

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

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

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

@media (min-width: 760px) {
  .page-home .home-tl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-home .home-ch__grid {
    grid-template-columns: minmax(0, 0.34fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-home .home-ch__head {
    position: sticky;
    top: calc(var(--ab-top-h) + 24px);
  }
}

@media (min-width: 860px) {
  .page-home .home-scale {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-home .home-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-banner img {
    height: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-case {
    transition: none;
  }

  .page-home .home-case:hover,
  .page-home .home-case:focus-visible {
    transform: none;
  }
}
<<<END>>>