/* =========================================================
   page-home · 品牌首页
   所有选择器限定在 .page-home 作用域内
   ========================================================= */

.page-home {
  display: block;
  position: relative;
}

/* ---------- 共享控件的页面级兜底（仅在 .page-home 内生效） ---------- */

.page-home .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  line-height: 1.4;
  color: var(--color-primary);
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 38%, var(--color-line));
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}

.page-home .btn--primary {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  line-height: 1.2;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border: var(--border-thin) solid var(--color-primary);
  text-decoration: none;
  transition: background-color 160ms ease-out, color 160ms ease-out, border-color 160ms ease-out;
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .btn--primary:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 3px;
}

.page-home .media-frame {
  position: relative;
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

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

.page-home .media-frame__caption {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
  border-top: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}

.page-home .mark--accent {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.3;
  padding: 2px var(--space-1);
  margin-right: var(--space-1);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

/* =========================================================
   首屏
   ========================================================= */

.page-home .home-hero {
  background: var(--color-surface);
  padding-block: var(--space-6) var(--section-y);
}

.page-home .home-hero__ctx {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-8);
  align-items: center;
}

.page-home .home-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
  max-width: 14ch;
}

.page-home .home-hero__lede {
  max-width: 44ch;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-6);
}

.page-home .home-hero__figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
  padding: var(--space-4) 0 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-home .home-figure__num {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.01em;
}

.page-home .home-figure__label {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-home .home-hero__hint {
  color: var(--color-ink-muted);
  margin: 0;
}

/* ---------- 首屏轨道星图 ---------- */

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

.page-home .hero-visual__media {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  overflow: hidden;
  background: var(--color-contrast-surface);
  box-shadow: var(--shadow-2);
}

.page-home .hero-visual__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-home .hero-visual__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-home .hero-visual__orbit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.page-home .orbit-ring {
  fill: none;
  stroke: var(--color-contrast-line);
  stroke-width: var(--border-thin);
}

.page-home .orbit-ring--inner {
  stroke-dasharray: 5 11;
}

.page-home .orbit-axis {
  stroke: var(--color-contrast-line);
  stroke-width: var(--border-thin);
  opacity: 0.55;
}

.page-home .orbit-core {
  fill: var(--color-primary);
}

.page-home .orbit-core-ring {
  fill: none;
  stroke: var(--color-contrast-accent);
  stroke-width: var(--border-thin);
  stroke-dasharray: 4 7;
}

.page-home .orbit-nodes {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .orbit-nodes > li {
  position: absolute;
  transform: translate(-50%, -50%);
}

.page-home .orbit-nodes > li:nth-child(1) { left: 29%;   top: 59.8%; }
.page-home .orbit-nodes > li:nth-child(2) { left: 71%;   top: 59.8%; }
.page-home .orbit-nodes > li:nth-child(3) { left: 50%;   top: 26.8%; }
.page-home .orbit-nodes > li:nth-child(4) { left: 39%;   top: 80.2%; }
.page-home .orbit-nodes > li:nth-child(5) { left: 80.2%; top: 39%;   }

.page-home .orbit-node {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--space-4);
  height: var(--space-4);
  border-radius: var(--radius-pill);
  text-decoration: none;
  color: var(--color-contrast-ink);
}

.page-home .orbit-node:focus-visible {
  outline: var(--border-thin) solid var(--color-contrast-accent);
  outline-offset: 4px;
}

.page-home .orbit-node__dot {
  width: 13px;
  height: 13px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-contrast-accent);
  background: var(--color-contrast-surface);
  transition: background-color 160ms ease-out, box-shadow 160ms ease-out;
}

.page-home .orbit-node:hover .orbit-node__dot,
.page-home .orbit-node:focus-visible .orbit-node__dot {
  background: var(--color-contrast-accent);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--color-contrast-accent) 30%, transparent);
}

.page-home .orbit-node__label {
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.4;
  padding: 2px var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: 1px solid var(--color-contrast-line);
  opacity: 0.82;
  pointer-events: none;
  transition: opacity 160ms ease-out, color 160ms ease-out, border-color 160ms ease-out;
}

.page-home .orbit-node:hover .orbit-node__label,
.page-home .orbit-node:focus-visible .orbit-node__label {
  opacity: 1;
  color: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
}

/* =========================================================
   规模矩阵
   ========================================================= */

.page-home .home-scale {
  background: var(--color-surface-alt);
  padding-block: var(--section-y);
}

.page-home .home-scale__head {
  max-width: 62ch;
  margin-bottom: var(--space-8);
}

.page-home .home-scale__title {
  margin: 0 0 var(--space-3);
}

.page-home .home-scale__lede {
  color: var(--color-ink-soft);
  margin: 0;
}

.page-home .home-scale__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0 0 var(--space-8);
  padding: 0;
  list-style: none;
}

.page-home .scale-cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-home .scale-cell:nth-child(2) {
  background: var(--color-primary-soft);
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-line));
}

.page-home .scale-cell:nth-child(4) {
  background: var(--color-highlight);
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-line));
}

.page-home .scale-cell__num {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.page-home .scale-cell__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.page-home .scale-cell__note {
  font-size: var(--text-xs);
  line-height: 1.55;
  color: var(--color-ink-muted);
}

.page-home .home-scale__media {
  margin-bottom: var(--space-8);
}

.page-home .home-dimensions {
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-dimensions__title {
  margin: 0 0 var(--space-3);
}

.page-home .home-dimensions__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
}

.page-home .home-dimensions__list li {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.4;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink-soft);
}

.page-home .home-dimensions__note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  color: var(--color-ink-muted);
  margin: 0;
}

/* =========================================================
   栏目横向主题带
   ========================================================= */

.page-home .home-paths {
  display: block;
}

.page-home .home-band {
  position: relative;
  padding-block: var(--section-y);
}

.page-home .home-band--soft {
  background: var(--color-primary-soft);
}

.page-home .home-band--deep {
  background: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-home .home-band__lead .eyebrow {
  margin-bottom: var(--space-2);
}

.page-home .home-band__lead h2 {
  margin: 0;
}

.page-home .home-band__body p {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

.page-home .home-band__body p:last-child {
  margin-bottom: 0;
  color: var(--color-ink-soft);
}

.page-home .home-band__exit {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.page-home .home-band__link {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
  transition: color 160ms ease-out;
}

.page-home .home-band__link:hover,
.page-home .home-band__link:focus-visible {
  color: var(--color-primary);
}

.page-home .home-band__link:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 3px;
}

/* =========================================================
   服务旅程轨道
   ========================================================= */

.page-home .home-journey {
  background: var(--color-surface);
  padding-block: var(--section-y);
}

.page-home .home-journey__head {
  max-width: 58ch;
  margin-bottom: var(--space-8);
}

.page-home .home-journey__title {
  margin: 0 0 var(--space-3);
}

.page-home .home-journey__lede {
  color: var(--color-ink-soft);
  margin: 0;
}

.page-home .journey-track {
  position: relative;
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .journey-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: var(--border-thin);
  background: var(--color-line);
}

.page-home .journey-track__item {
  position: relative;
  padding-left: var(--space-6);
}

.page-home .journey-track__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-primary);
  transition: background-color 160ms ease-out;
}

.page-home .journey-track__item:hover .journey-track__dot {
  background: var(--color-primary);
}

.page-home .journey-track__body h3 {
  margin: 0 0 2px;
  color: var(--color-ink);
}

.page-home .journey-track__meta {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

.page-home .home-journey__exit {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
}

.page-home .home-journey__link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
  transition: color 160ms ease-out;
}

.page-home .home-journey__link:hover,
.page-home .home-journey__link:focus-visible {
  color: var(--color-primary);
}

/* =========================================================
   维修与选型口径
   ========================================================= */

.page-home .home-service {
  background: var(--color-surface-alt);
  padding-block: var(--section-y);
}

.page-home .home-service__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .home-service__media {
  align-self: start;
}

.page-home .home-service__title {
  margin: 0 0 var(--space-3);
}

.page-home .home-service__copy p {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-home .home-service__copy p:last-of-type {
  margin-bottom: var(--space-4);
}

.page-home .home-service__links {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: var(--space-4) 0 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-service__link {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 45%, transparent);
  padding-bottom: 2px;
  transition: color 160ms ease-out, border-color 160ms ease-out;
}

.page-home .home-service__link:hover,
.page-home .home-service__link:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-home .home-service__link:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 4px;
}

/* =========================================================
   合作与年度归口（强对比区块）
   ========================================================= */

.page-home .home-partners {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--section-y);
}

.page-home .home-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: center;
}

.page-home .home-partners__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  line-height: 1.4;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-pill);
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-3);
}

.page-home .home-partners__title {
  margin: 0 0 var(--space-3);
  color: var(--color-contrast-ink);
}

.page-home .home-partners__copy p {
  margin: 0 0 var(--space-3);
  color: var(--color-contrast-ink);
}

.page-home .home-partners__list {
  display: grid;
  gap: 0;
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-partners__list li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-2) + 6px);
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-contrast-accent);
}

.page-home .home-partners__exit {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.page-home .home-partners .btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-home .home-partners .btn--primary:hover,
.page-home .home-partners .btn--primary:focus-visible {
  background: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-home .home-partners .btn--primary:focus-visible {
  outline: var(--border-thin) solid var(--color-contrast-accent);
  outline-offset: 3px;
}

.page-home .home-partners__link {
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
  transition: color 160ms ease-out;
}

.page-home .home-partners__link:hover,
.page-home .home-partners__link:focus-visible {
  color: var(--color-contrast-ink);
}

.page-home .home-partners__media {
  border-color: var(--color-contrast-line);
  background: var(--color-contrast-surface);
}

.page-home .home-partners__media .media-frame__caption {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top-color: var(--color-contrast-line);
}

/* =========================================================
   响应式
   ========================================================= */

@media (min-width: 640px) {
  .page-home .home-hero__figures {
    gap: var(--space-4);
  }

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

  .page-home .scale-cell {
    padding: var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding-block: var(--space-8) var(--section-y-lg);
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--space-8);
  }

  .page-home .home-band__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 4fr) minmax(0, 3fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-home .home-band__exit {
    padding-top: var(--space-1);
  }

  .page-home .home-service__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: var(--space-8);
  }

  .page-home .home-partners__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: var(--space-8);
  }
}

@media (min-width: 1180px) {
  .page-home .home-hero__title {
    margin-top: var(--space-2);
  }

  .page-home .home-scale__head {
    margin-bottom: var(--section-y-lg);
  }
}

@media (max-width: 520px) {
  .page-home .orbit-node__label {
    font-size: var(--text-xs);
    padding: 1px 5px;
  }

  .page-home .home-hero__figures {
    gap: var(--space-2);
  }
}
<<<END>>>