.page-home {
  --home-surface: #0C2233;
  --home-surface-2: #123149;
  --home-hair: rgba(44, 224, 206, 0.20);
  --home-line: rgba(126, 147, 166, 0.22);
  --home-pad: 52px;
  color: var(--muted);
  display: block;
}

.page-home .media-frame img {
  display: block;
  max-width: 100%;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  padding: 36px 0 8px;
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 18px;
}

.page-home .home-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .home-hero__lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .home-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-fact {
  margin: 0;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-home .home-fact__key {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .home-fact__val {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-home .home-hero__aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

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

.page-home .home-toc {
  display: grid;
  border-top: 1px solid var(--home-hair);
}

.page-home .home-toc__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 8px 13px 4px;
  border-bottom: 1px solid var(--home-line);
  text-decoration: none;
  color: inherit;
  transition: background-color 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-home .home-toc__item:hover,
.page-home .home-toc__item:focus-visible {
  background-color: rgba(44, 224, 206, 0.06);
  padding-left: 10px;
}

.page-home .home-toc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  padding-top: 3px;
}

.page-home .home-toc__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .home-toc__desc {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 通用区块 ---------- */

.page-home .home-section {
  padding: var(--home-pad) 0;
  margin-top: 8px;
  border-top: 1px solid var(--home-line);
}

.page-home .home-section--last {
  padding-bottom: calc(var(--home-pad) + 16px);
}

.page-home .home-head {
  margin-bottom: 26px;
}

.page-home .home-head__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 25px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .home-head__lede {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 本期更新摘要 ---------- */

.page-home .home-digest {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-digest__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-digest__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  padding-top: 3px;
}

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

.page-home .home-digest__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-home .home-digest__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .home-digest__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 编号索引 ---------- */

.page-home .home-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

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

.page-home .home-index__caption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .home-bl {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .home-bl__item {
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-bl__link {
  display: block;
  padding: 13px 10px 13px 12px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-home .home-bl__link:hover,
.page-home .home-bl__link:focus-visible {
  border-left-color: var(--cyan);
  background-color: rgba(44, 224, 206, 0.06);
}

.page-home .home-bl__code {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-home .home-bl__name {
  display: block;
  margin-top: 3px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-bl__desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 320ms var(--ease), opacity 240ms var(--ease);
}

.page-home .home-bl__link:hover .home-bl__desc,
.page-home .home-bl__link:focus-visible .home-bl__desc {
  max-height: 8em;
  opacity: 1;
}

@media (hover: none) {
  .page-home .home-bl__desc {
    max-height: 8em;
    opacity: 1;
  }
}

.page-home .home-range {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--home-hair);
}

.page-home .home-range__head {
  margin-bottom: 16px;
}

.page-home .home-range__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-range__note {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-home .home-range__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-range__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 12px;
  background: var(--ink-800);
  transition: background-color 200ms var(--ease);
}

.page-home .home-range__item:hover {
  background: var(--home-surface-2);
}

.page-home .home-range__code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--blue);
}

.page-home .home-range__name {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-home .home-range__foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-home .home-range__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair);
  margin-left: 6px;
}

.page-home .home-range__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 赛季与批次节奏 ---------- */

.page-home .home-ruler {
  padding: 20px 0 8px;
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
  overflow-x: auto;
}

.page-home .home-ruler__svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-home .home-ruler__tick {
  stroke: rgba(12, 34, 51, 0.9);
  stroke-width: 2;
}

.page-home .home-ruler__season {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  fill: #2CE0CE;
}

.page-home .home-ruler__batch {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: #7E93A6;
}

.page-home .home-cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 28px;
}

.page-home .home-cadence__stages-label {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-home .home-stages {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .home-stages__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--home-line);
  font-size: 14.5px;
  color: var(--paper);
}

.page-home .home-stages__idx {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--orange);
}

.page-home .home-cadence__note p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 行业场景 ---------- */

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

.page-home .home-scenes__caption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .home-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-scene {
  padding: 22px 18px;
  background: var(--ink-800);
  transition: background-color 220ms var(--ease);
}

.page-home .home-scene:hover {
  background: var(--home-surface-2);
}

.page-home .home-scene__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .home-scene__title {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .home-scene__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .home-scene__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-hair);
}

.page-home .home-scene__link:hover {
  border-bottom-color: var(--cyan);
}

.page-home .home-scenes__foot {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

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

.page-home .home-scenes__foot-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 服务地区与咨询 ---------- */

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

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

.page-home .home-coverage__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--ink-800);
}

.page-home .home-stat__n {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-home .home-stat__plus {
  font-size: 15px;
  color: var(--cyan);
  margin-left: 2px;
}

.page-home .home-stat__l {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--steel);
}

.page-home .home-coverage__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .home-consult {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 24px 20px;
  background: var(--home-surface);
  border-left: 2px solid var(--cyan);
}

.page-home .home-consult__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-home .home-consult__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-home .home-consult__list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--home-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .home-consult__k {
  display: inline-block;
  min-width: 56px;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--cyan);
}

.page-home .home-contact {
  margin: 0;
  padding: 0;
}

.page-home .home-contact__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-contact__key {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  padding-top: 2px;
}

.page-home .home-contact__val {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-home .home-contact__val--mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
}

.page-home .home-contact__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-home .home-consult__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .home-hero {
    padding-top: 48px;
  }

  .page-home .home-hero__title {
    font-size: 38px;
  }

  .page-home .home-head__title {
    font-size: 30px;
  }

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

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

  .page-home .home-consult {
    padding: 28px 26px;
  }
}

@media (min-width: 900px) {
  .page-home {
    --home-pad: 80px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-home .home-hero__title {
    font-size: 46px;
  }

  .page-home .home-hero__lede {
    font-size: 16.5px;
  }

  .page-home .home-index {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }

  .page-home .home-cadence {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }

  .page-home .home-coverage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 28px;
    align-items: start;
  }

  .page-home .home-coverage__figure {
    grid-column: 1 / -1;
  }

  .page-home .home-coverage__stats {
    grid-column: 1 / span 5;
  }

  .page-home .home-coverage__text {
    grid-column: 6 / -1;
  }

  .page-home .home-consult {
    grid-column: 1 / -1;
    grid-template-columns: 7fr 5fr;
    gap: 36px;
  }

  .page-home .home-range {
    margin-top: 48px;
    padding-top: 30px;
  }
}

@media (min-width: 1100px) {
  .page-home .home-range__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

  .page-home .home-digest__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-toc__item,
  .page-home .home-bl__link,
  .page-home .home-bl__desc,
  .page-home .home-range__item,
  .page-home .home-scene {
    transition: opacity 120ms linear;
  }

  .page-home .home-toc__item:hover,
  .page-home .home-toc__item:focus-visible {
    padding-left: 4px;
  }
}
<<<END>>>

已按首页定位完成，主体 HTML 与页面专属 CSS 同步输出，内容围绕“周期滚动维护方案档案”这一业务行为展开：首屏给出结论式事实与五条章节路径，编号索引以 BL-01 至 BL-06 与 A01 至 A12 两组索引并排呈现，交付节奏用内联 SVG 刻度尺表达四个赛季与十二个月度批次的对应关系，行业场景按真实区间编号切入，服务地区与咨询入口收束于黑龙江 13 个地市覆盖与联系方式。所有选区均已限定在 `.page-home` 作用域内，可直接接入站点套件。