.page-home {
  position: relative;
  padding-block: 24px 72px;
  background-color: var(--ink-950);
  color: var(--white-100);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .home-shell {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 24px;
}

/* ---------- 章节索引 ---------- */
.page-home .home-toc {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: rgba(12, 38, 55, 0.6);
}

.page-home .home-toc .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
  text-transform: uppercase;
}

.page-home .home-toc .toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-toc .toc-link {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-toc .toc-link:hover,
.page-home .home-toc .toc-link:focus-visible {
  color: var(--white-100);
}

.page-home .home-toc .toc-link[aria-current="true"] {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-home .home-toc-note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding-block: 28px 8px;
  background-image:
    radial-gradient(circle at 82% 8%, var(--cyan-a10), transparent 58%),
    radial-gradient(circle at 6% 96%, var(--amber-a12), transparent 52%),
    linear-gradient(rgba(23, 69, 92, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 69, 92, 0.22) 1px, transparent 1px);
  background-size: auto, auto, 64px 64px, 64px 64px;
  border-radius: var(--radius-l);
}

.page-home .home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 8px clamp(4px, 2vw, 24px) 24px;
}

.page-home .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-home .home-hero-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8.5vw, 64px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  color: var(--white-100);
}

.page-home .home-hero-title-sub {
  display: block;
  margin-top: 8px;
  font-size: clamp(30px, 7vw, 54px);
  color: var(--cyan-400);
}

.page-home .home-hero-lede {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-home .home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-home .home-hero-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

/* 首屏状态卡 */
.page-home .hero-status {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-600);
  background-color: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-home .hero-status-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(0.7);
}

.page-home .hero-status-inner {
  position: relative;
  z-index: 1;
  padding: 22px 20px 18px;
  background: linear-gradient(180deg, rgba(6, 24, 38, 0.55), rgba(6, 24, 38, 0.92));
}

.page-home .hero-status-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--white-100);
}

.page-home .hero-status-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .hero-status-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-s);
  background: rgba(23, 69, 92, 0.24);
  color: var(--white-100);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .hero-status-list a:hover,
.page-home .hero-status-list a:focus-visible {
  border-color: var(--cyan-400);
  background: var(--cyan-a10);
}

.page-home .hero-status-key {
  font-size: 15px;
  font-weight: 500;
}

.page-home .hero-status-val {
  font-size: 12px;
  color: var(--cyan-400);
}

.page-home .hero-status-foot {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--mist-400);
}

/* ---------- 通用章节 ---------- */
.page-home .section {
  padding-block: 44px 8px;
}

.page-home .section-head {
  max-width: 44em;
  margin-bottom: 26px;
}

.page-home .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 34px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--white-100);
}

.page-home .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 三条起步轨道 ---------- */
.page-home .track-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .track-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line-600);
  border-left: 3px solid var(--cyan-400);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(12, 38, 55, 0.95), rgba(8, 30, 46, 0.85));
}

.page-home .track-card--offset {
  border-left-color: var(--amber-400);
}

.page-home .track-num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-400);
}

.page-home .track-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--white-100);
}

.page-home .track-body {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-home .track-figure {
  margin: 0 0 14px;
}

.page-home .track-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-600);
}

.page-home .track-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist-400);
}

.page-home .track-first {
  margin: 0 0 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-600);
  font-size: 14px;
  line-height: 1.75;
  color: var(--white-100);
}

.page-home .track-first .mono {
  margin-right: 6px;
  color: var(--cyan-400);
}

.page-home .track-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a18);
  transition: border-color var(--dur) var(--ease);
}

.page-home .track-link:hover,
.page-home .track-link:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 换机四步 ---------- */
.page-home .step-rail {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .step-item {
  position: relative;
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: rgba(12, 38, 55, 0.7);
}

.page-home .step-dot {
  position: absolute;
  top: 22px;
  left: -5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px var(--cyan-a10);
}

.page-home .step-num {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-home .step-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--white-100);
}

.page-home .step-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-home .login-callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(120deg, rgba(33, 230, 193, 0.08), rgba(6, 24, 38, 0.4));
}

.page-home .login-callout-text {
  flex: 1 1 280px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white-100);
}

/* ---------- 案例 ---------- */
.page-home .home-cases-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.page-home .case-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .case-photo {
  margin: 0;
}

.page-home .case-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-600);
}

.page-home .case-photo figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist-400);
}

.page-home .case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .case-card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .case-card:hover {
  border-color: var(--cyan-400);
  transform: translateY(-3px);
}

.page-home .case-order {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

.page-home .case-desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-home .case-card .card-title {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.5;
  color: var(--white-100);
}

.page-home .lvl {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.page-home .lvl i {
  display: block;
  width: 10px;
  height: 4px;
  border-radius: 2px;
  background: var(--line-600);
}

.page-home .lvl--1 i:nth-child(-n+1),
.page-home .lvl--2 i:nth-child(-n+2),
.page-home .lvl--3 i:nth-child(-n+3),
.page-home .lvl--4 i:nth-child(-n+4) {
  background: var(--amber-400);
}

.page-home .case-more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

.page-home .case-more p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

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

.page-home .feedback-photo {
  margin: 0;
}

.page-home .feedback-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-600);
}

.page-home .feedback-photo figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist-400);
}

.page-home .fb-timeline {
  margin: 0 0 22px;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--line-600);
  display: grid;
  gap: 20px;
}

.page-home .fb-timeline li {
  position: relative;
}

.page-home .fb-dot {
  position: absolute;
  top: 5px;
  left: -25px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-home .fb-dot--cyan {
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px var(--cyan-a10);
}

.page-home .fb-dot--amber {
  background: var(--amber-400);
  box-shadow: 0 0 0 4px var(--amber-a12);
}

.page-home .fb-dot--coral {
  background: var(--coral-400);
  box-shadow: 0 0 0 4px var(--coral-a12);
}

.page-home .fb-dot--green {
  background: var(--green-400);
  box-shadow: 0 0 0 4px var(--green-a12);
}

.page-home .fb-name {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
}

.page-home .fb-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--white-100);
}

.page-home .fb-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 数据 ---------- */
.page-home .home-data-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 24px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .home-data-cell {
  padding: 20px 16px;
  background: var(--ink-850);
}

.page-home .home-data-cell .data-value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-400);
}

.page-home .home-data-cell .data-label {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-400);
}

.page-home .home-scale-notes p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-home .home-scale-notes p:nth-child(2) {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--pale-200);
}

.page-home .inline-link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a18);
}

.page-home .inline-link:hover,
.page-home .inline-link:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 结尾 CTA ---------- */
.page-home .home-cta {
  padding-block: 40px 8px;
}

.page-home .home-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: 26px 22px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-l);
  background:
    radial-gradient(circle at 88% 10%, var(--amber-a12), transparent 58%),
    linear-gradient(140deg, rgba(12, 38, 55, 0.95), rgba(6, 24, 38, 0.9));
}

.page-home .home-cta-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 30px);
  color: var(--white-100);
}

.page-home .home-cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-home .home-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

.page-home .home-cta-meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--mist-400);
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home {
    padding-block: 32px 96px;
  }

  .page-home .home-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    column-gap: 40px;
    row-gap: 0;
    align-items: start;
  }

  .page-home .home-toc {
    position: sticky;
    top: 108px;
    padding: 18px;
  }

  .page-home .home-toc .toc-list {
    display: grid;
    gap: 2px;
  }

  .page-home .home-toc .toc-link {
    display: block;
    width: 100%;
    padding: 6px 0;
    font-size: 14px;
  }

  .page-home .home-hero-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
    padding: 24px 24px 40px;
  }

  .page-home .home-hero-main {
    grid-column: span 7;
  }

  .page-home .hero-status {
    grid-column: 9 / span 4;
    margin-top: 24px;
  }

  .page-home .section {
    padding-block: 56px 12px;
  }

  .page-home .track-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding-bottom: 56px;
  }

  .page-home .track-card--offset {
    transform: translateY(48px);
  }

  .page-home .step-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-left: 16px;
  }

  .page-home .home-cases-head {
    grid-template-columns: minmax(0, 1fr) 290px;
    align-items: end;
    gap: 28px;
  }

  .page-home .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .case-card:nth-child(2),
  .page-home .case-card:nth-child(5) {
    transform: translateY(14px);
  }

  .page-home .case-card:nth-child(2):hover,
  .page-home .case-card:nth-child(5):hover {
    transform: translateY(10px);
  }

  .page-home .home-feedback-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 36px;
    align-items: start;
  }

  .page-home .feedback-photo {
    position: sticky;
    top: 120px;
  }

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

  .page-home .home-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 34px 32px;
  }
}

@media (min-width: 1280px) {
  .page-home .home-hero-title {
    font-size: 64px;
  }

  .page-home .home-hero-title-sub {
    font-size: 52px;
  }
}

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

  .page-home .case-card:hover {
    transform: none;
  }
}
<<<END>>>