.page-home {
  padding-bottom: 96px;
}

.page-home h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-home h3 {
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0;
}

.page-home .card-text,
.page-home .band-lead,
.page-home .paths-lead,
.page-home .cases-lead,
.page-home .hero-lead {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  margin: 0;
}

.page-home .home-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 首屏 */
.page-home .hero {
  padding: clamp(28px, 5vw, 56px) 0 clamp(40px, 6vw, 72px);
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 18px;
}

.page-home .hero-lead {
  max-width: 42ch;
  margin-bottom: 26px;
}

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

.page-home .hero-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 32px;
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.page-home .hero-figures dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .hero-figures dd {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--cyan);
}

/* 轨道 */
.page-home .hero-orbit {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  aspect-ratio: 1 / 1;
}

.page-home .hero-orbit img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  border: 1px solid var(--line);
}

.page-home .orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--line);
}

.page-home .orbit-ring--outer {
  width: 76%;
  height: 76%;
  border-style: dashed;
  opacity: 0.9;
}

.page-home .orbit-ring--inner {
  width: 44%;
  height: 44%;
  border-color: var(--cyan-dim);
  box-shadow: inset 0 0 60px rgba(56, 232, 210, 0.1);
}

.page-home .orbit-hub {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30%;
  aspect-ratio: 1 / 1;
  display: grid;
  place-content: center;
  gap: 2px;
  text-align: center;
  border-radius: 50%;
  border: 1px solid var(--cyan-dim);
  background: radial-gradient(circle at 50% 35%, rgba(56, 232, 210, 0.18), transparent 70%), var(--ink-800);
}

.page-home .orbit-hub-mark {
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.4vw, 26px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-home .orbit-hub-label {
  font-family: var(--font-head);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-home .orbit-nodes {
  position: absolute;
  inset: 0;
}

.page-home .orbit-node {
  position: absolute;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  background: rgba(8, 18, 38, 0.88);
  color: var(--paper);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}

.page-home .orbit-node::before {
  content: attr(data-index);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--cyan);
}

.page-home .orbit-node:hover,
.page-home .orbit-node:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--ink-800);
}

.page-home .orbit-node.is-current {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-home .orbit-node.is-current::before {
  color: var(--ink-800);
}

.page-home .orbit-node:nth-child(1) { left: 80%; top: 50%; }
.page-home .orbit-node:nth-child(2) { left: 65%; top: 24%; }
.page-home .orbit-node:nth-child(3) { left: 35%; top: 24%; }
.page-home .orbit-node:nth-child(4) { left: 20%; top: 50%; }
.page-home .orbit-node:nth-child(5) { left: 35%; top: 76%; }
.page-home .orbit-node:nth-child(6) { left: 65%; top: 76%; }

/* 栏目调整主题带 */
.page-home .band {
  padding: clamp(36px, 5vw, 64px) 0 clamp(28px, 4vw, 44px);
  background: linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .band-head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-home .band-lead {
  max-width: 52ch;
}

.page-home .band-track {
  display: flex;
  gap: 16px;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 4px var(--gutter) 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.page-home .band-card {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  box-shadow: var(--shadow-paper);
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-home .band-card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-2px);
}

.page-home .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .link-arrow {
  align-self: flex-start;
  margin-top: auto;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 2px;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  color: var(--coral-soft);
  border-color: var(--coral-soft);
}

/* 三条常用路径 */
.page-home .paths {
  padding: clamp(40px, 6vw, 80px) 0;
}

.page-home .paths-head {
  display: grid;
  gap: 10px;
  max-width: 50ch;
  margin-bottom: 30px;
}

.page-home .paths-lead {
  max-width: 46ch;
}

.page-home .path-grid {
  display: grid;
  gap: 18px;
}

.page-home .path-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--ink-850);
  box-shadow: var(--shadow-paper);
}

.page-home .path-card--save {
  background: linear-gradient(150deg, var(--ink-700), var(--ink-850));
  border-color: var(--cyan-dim);
}

.page-home .path-figure {
  margin: 4px 0 0;
}

.page-home .path-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* 场景案例 */
.page-home .cases {
  padding: clamp(40px, 6vw, 76px) 0;
  background: var(--ink-850);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .cases-head {
  display: grid;
  gap: 10px;
  max-width: 52ch;
  margin-bottom: 26px;
}

.page-home .case-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-home .case-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: border-color 200ms ease, transform 200ms ease;
}

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

.page-home .cases-foot {
  margin-top: 26px;
}

/* 收藏与下载 */
.page-home .collection {
  padding: clamp(40px, 6vw, 80px) 0;
}

.page-home .collection-grid {
  display: grid;
  gap: 26px;
}

.page-home .collection-figure {
  margin: 0;
}

.page-home .collection-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .collection-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .trust-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 6px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
}

.page-home .trust-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .trust-list dd {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .collection-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* 底部常驻浮层 */
.page-home .dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px var(--gutter);
  background: rgba(8, 18, 38, 0.95);
  border-top: 1px solid var(--line);
}

.page-home .dock-meta {
  display: none;
  margin: 0 auto 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .dock-ver {
  color: var(--cyan);
}

.page-home .dock-link {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  padding: 9px 14px;
  border: 1px solid var(--line);
  white-space: nowrap;
}

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

.page-home .dock-cta {
  padding: 10px 16px;
  font-size: 13px;
  white-space: nowrap;
}

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

  .page-home .dock-meta {
    display: block;
  }

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

@media (min-width: 860px) {
  .page-home .path-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-home .path-card--tablet {
    grid-row: span 2;
  }

  .page-home .collection-grid {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
  }
}

@media (min-width: 901px) {
  .page-home .hero-grid {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
  }

  .page-home .band-card {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (min-width: 1000px) {
  .page-home .case-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .page-home .hero-orbit {
    aspect-ratio: auto;
    max-width: none;
    display: grid;
    gap: 14px;
  }

  .page-home .hero-orbit img {
    position: static;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    opacity: 0.9;
  }

  .page-home .orbit-ring,
  .page-home .orbit-hub {
    display: none;
  }

  .page-home .orbit-nodes {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .page-home .orbit-node {
    position: static;
    transform: none;
    justify-content: center;
    white-space: normal;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .page-home .dock {
    gap: 8px;
  }

  .page-home .dock-link {
    padding: 9px 10px;
    font-size: 12px;
  }

  .page-home .dock-cta {
    padding: 10px 12px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .band-card,
  .page-home .case-card,
  .page-home .orbit-node,
  .page-home .link-arrow {
    transition: none;
  }

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