.page-home {
  --home-rule: var(--border-thin) solid var(--color-line);
  --home-rule-dark: var(--border-thin) solid var(--color-contrast-line);
}

/* ---------- 首屏：暗场仪表盘 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-8) 0 var(--space-6);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 42%;
  filter: brightness(0.45) saturate(0.9);
  opacity: 0.85;
}

.page-home .hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(100deg,
      color-mix(in srgb, var(--color-contrast-surface) 96%, transparent) 0%,
      color-mix(in srgb, var(--color-contrast-surface) 78%, transparent) 46%,
      color-mix(in srgb, var(--color-contrast-surface) 42%, transparent) 100%),
    var(--overlay-scrim);
}

.page-home .hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .hero__lead {
  min-width: 0;
}

.page-home .hero__mark {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-home .hero__title {
  margin: var(--space-3) 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-home .hero__lede {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-home .hero__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-home .hero__go {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-accent);
  border-radius: var(--radius-md);
  background-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.page-home .hero__go:hover,
.page-home .hero__go:focus-visible {
  background-color: transparent;
  color: var(--color-contrast-accent);
}

.page-home .hero__text {
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  padding-bottom: 2px;
}

.page-home .hero__text:hover,
.page-home .hero__text:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

/* 转盘 */

.page-home .hero__side {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.page-home .dial {
  margin: 0;
  width: min(100%, 340px);
}

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

.page-home .dial__seg {
  fill: none;
  stroke: var(--color-contrast-line);
  stroke-width: 22;
  stroke-dasharray: 50.2 672.4;
  transform-box: view-box;
  transform-origin: 160px 160px;
  pointer-events: stroke;
  transition: stroke 160ms ease;
}

.page-home .dial__seg:nth-child(1) { transform: rotate(-90deg); }
.page-home .dial__seg:nth-child(2) { transform: rotate(-60deg); }
.page-home .dial__seg:nth-child(3) { transform: rotate(-30deg); }
.page-home .dial__seg:nth-child(4) { transform: rotate(0deg); }
.page-home .dial__seg:nth-child(5) { transform: rotate(30deg); }
.page-home .dial__seg:nth-child(6) { transform: rotate(60deg); }
.page-home .dial__seg:nth-child(7) { transform: rotate(90deg); }
.page-home .dial__seg:nth-child(8) { transform: rotate(120deg); }
.page-home .dial__seg:nth-child(9) { transform: rotate(150deg); }
.page-home .dial__seg:nth-child(10) { transform: rotate(180deg); }
.page-home .dial__seg:nth-child(11) { transform: rotate(210deg); }
.page-home .dial__seg:nth-child(12) { transform: rotate(240deg); }

.page-home .dial__seg:hover,
.page-home .dial__seg:focus {
  stroke: var(--color-accent);
}

.page-home .dial__idx {
  font-family: var(--font-mono);
  font-size: 14px;
  fill: var(--color-contrast-ink);
  opacity: 0.58;
  text-anchor: middle;
  dominant-baseline: middle;
}

.page-home .dial__caption {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  text-align: center;
}

/* 四组数字 */

.page-home .hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--home-rule-dark);
}

.page-home .hero__stats li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--home-rule-dark);
}

.page-home .hero__stat-num {
  flex: 0 0 auto;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-home .hero__stat-label {
  min-width: 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

/* ---------- 通用：暗场区块内的链接与图注 ---------- */

.page-home .section--deep a {
  color: var(--color-contrast-accent);
}

.page-home .section--deep .media__caption {
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* ---------- 01 第一次进场 ---------- */

.page-home .sn-visit .lede {
  margin-top: 0;
}

.page-home .steps {
  margin-top: var(--space-4);
  border-top: var(--home-rule);
}

.page-home .steps .fold {
  border-bottom: var(--home-rule);
}

.page-home .steps .fold__head {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
}

.page-home .steps .fold__body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
}

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

.page-home .steps__go a {
  font-size: var(--text-sm);
  font-weight: 600;
}

/* ---------- 02 四类业务 ---------- */

.page-home .sn-biz__lede {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-home .sn-biz__media {
  margin: 0 0 var(--space-6);
}

.page-home .biz {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--home-rule-dark);
}

.page-home .biz__item {
  padding: var(--space-4) 0;
  border-bottom: var(--home-rule-dark);
}

.page-home .biz__no {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
  margin-bottom: var(--space-1);
}

.page-home .biz__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .biz__text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

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

.page-home .biz__go a {
  font-size: var(--text-sm);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  padding-bottom: 2px;
}

.page-home .biz__go a:hover,
.page-home .biz__go a:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
}

/* ---------- 03 节奏时间带 ---------- */

.page-home .band {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--home-rule);
}

.page-home .band__node {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) var(--space-4);
  border-bottom: var(--home-rule);
}

.page-home .band__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-3) + 8px);
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
}

.page-home .band__time {
  display: block;
  font-size: var(--text-lg);
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.page-home .band__head {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .band__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .sn-rhythm__media {
  margin: var(--space-6) 0 0;
}

/* ---------- 04 从哪里开始 ---------- */

.page-home .sn-start__lede {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-home .sn-start__media {
  margin: 0 0 var(--space-6);
  max-width: 620px;
}

.page-home .paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--home-rule-dark);
}

.page-home .path {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-bottom: var(--home-rule-dark);
}

.page-home .path__no {
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
}

.page-home .path__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .path__text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-home .path__go {
  margin-top: auto;
  align-self: flex-start;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .path__go:hover,
.page-home .path__go:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
}

.page-home .sn-start__foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

/* ---------- 收束 ---------- */

.page-home .sn-coda {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
  border-top: var(--border-thin) solid var(--color-primary);
}

.page-home .sn-coda__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-ink);
}

.page-home .sn-coda__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
}

.page-home .sn-coda__go {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.page-home .sn-coda__go:hover,
.page-home .sn-coda__go:focus-visible {
  background-color: transparent;
  color: var(--color-primary);
}

.page-home .sn-coda__back {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-bottom: 2px;
}

.page-home .sn-coda__back:hover,
.page-home .sn-coda__back:focus-visible {
  border-bottom-color: var(--color-accent);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .band {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 var(--space-4);
  }

  .page-home .biz {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 var(--space-6);
  }

  .page-home .paths {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 var(--space-4);
  }

  .page-home .path {
    border-bottom: 0;
    border-top: var(--home-rule-dark);
    padding-top: var(--space-3);
  }

  .page-home .paths {
    border-top: 0;
  }
}

@media (min-width: 960px) {
  .page-home .hero {
    padding: calc(var(--space-8) * 1.5) 0 var(--space-8);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .hero__side {
    padding-top: var(--space-3);
  }

  .page-home .band {
    grid-template-columns: repeat(4, 1fr);
    gap: 0 var(--space-3);
  }

  .page-home .band__node {
    padding-right: var(--space-2);
  }

  .page-home .sn-rhythm__media {
    margin-top: var(--space-8);
  }

  .page-home .sn-coda {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-6);
  }

  .page-home .sn-coda__acts {
    flex: 0 0 auto;
  }
}

@media (min-width: 1100px) {
  .page-home .biz__item {
    padding-right: var(--space-4);
  }
}
<<<END>>>

请确认以上内容符合要求，特别是：
1. 所有页面专属选择器是否都限定在 `.page-home` 作用域内
2. 是否只用了 site_kit 中真实存在的 CSS 变量
3. 移动端优先和媒体查询是否落实
4. 所有 href 是否为合法的站内路径或真实存在的锚点
5. 图片数量和占位协议格式是否正确