.page-home {
  --home-rule: 1px solid var(--mist);
  --home-hair: rgba(31, 58, 61, .12);
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 7vw, 76px) 0 clamp(24px, 5vw, 48px);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(180deg, transparent 0 33px, rgba(31, 58, 61, .05) 33px 34px);
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-home .home-hero__sub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--sand-deep);
}

.page-home .home-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(40px, 11.5vw, 68px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ink-deep);
}

.page-home .home-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-family: var(--font-serif);
  font-size: clamp(16px, 4vw, 18px);
  line-height: 1.9;
  color: var(--black);
}

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

.page-home .home-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 28px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--mist);
  font-size: 13px;
  line-height: 1.6;
  color: var(--moss);
}

.page-home .home-hero__meta .ss-mono {
  margin-right: 6px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .home-hero__collage {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-home .home-hero__collage::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--sand) 0%, var(--cinnabar) 100%);
  opacity: .55;
}

.page-home .home-hero__figure {
  margin: 0;
  border: 1px solid var(--mist);
  background: var(--paper);
  box-shadow: var(--shadow-lift);
}

.page-home .home-hero__figure .ss-figure__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-hero__card {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 18px 20px 20px;
  border-left: 4px solid var(--cinnabar);
  box-shadow: var(--shadow-card);
}

.page-home .home-hero__card p {
  margin: 12px 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 244, 236, .9);
}

.page-home .home-hero__cardlink {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color .2s ease;
}

.page-home .home-hero__cardlink:hover {
  color: var(--sand-light);
}

.page-home .home-hero__echo {
  margin-top: clamp(28px, 5vw, 48px);
  color: var(--sand);
  opacity: .7;
}

.page-home .home-hero__echo svg {
  display: block;
  width: 100%;
  height: 40px;
}

/* ============ 索引轴 ============ */
.page-home .home-axis {
  padding: clamp(42px, 9vw, 100px) 0;
  background: var(--paper);
}

.page-home .home-axis__grid {
  display: grid;
  gap: clamp(24px, 5vw, 46px);
}

.page-home .home-axis__figure {
  margin: 0;
  border: 1px solid var(--mist);
  background: var(--sand-light);
  box-shadow: var(--shadow-card);
}

.page-home .home-axis__figure .ss-figure__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-home .home-axis__body h2 {
  margin: 12px 0 0;
}

.page-home .home-axis__body .ss-lead {
  margin-top: 14px;
}

.page-home .home-axis__list {
  margin: clamp(20px, 4vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--home-rule);
}

.page-home .home-axis__item {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 3px;
  padding: 12px 8px 12px 4px;
  border-bottom: 1px solid var(--mist);
  transition: background-color .18s ease;
}

.page-home .home-axis__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sand-deep);
  transition: color .18s ease;
}

.page-home .home-axis__name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-home .home-axis__hint {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ============ 版本面板 ============ */
.page-home .home-version {
  padding: clamp(42px, 9vw, 100px) 0;
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-version .ss-kicker {
  color: var(--sand);
}

.page-home .home-version h2 {
  margin: 12px 0 0;
  color: var(--paper);
}

.page-home .home-version__lead {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.9;
  color: rgba(247, 244, 236, .82);
}

.page-home .home-version .ss-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 0;
  border: 0;
}

.page-home .home-version .ss-tabs__tab {
  appearance: none;
  padding: 10px 18px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--sand-light);
  background: transparent;
  border: 1px solid rgba(217, 179, 108, .45);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.page-home .home-version .ss-tabs__tab:hover {
  border-color: var(--sand);
}

.page-home .home-version .ss-tabs__tab[aria-selected="true"] {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink-deep);
}

.page-home .home-version .ss-tabs__panel {
  margin-top: 22px;
  padding: 22px 20px 24px;
  background: rgba(247, 244, 236, .07);
  border-left: 3px solid var(--cinnabar);
}

.page-home .home-version .ss-tabs__panel p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 244, 236, .88);
}

.page-home .home-version .ss-tabs__panel ul {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding-left: 1.1em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 244, 236, .78);
}

.page-home .home-version .ss-tabs__panel a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .home-version .ss-tabs__panel a:hover {
  color: var(--sand-light);
}

/* ============ 回访路径 ============ */
.page-home .home-return {
  padding: clamp(42px, 9vw, 100px) 0;
  background: var(--paper);
}

.page-home .home-return h2 {
  margin: 12px 0 0;
}

.page-home .home-return .ss-lead {
  margin-top: 14px;
}

.page-home .home-return__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 4vw, 36px);
  background: var(--mist);
  border: 1px solid var(--mist);
}

.page-home .home-return__item {
  padding: 18px 20px 20px;
  background: var(--paper);
}

.page-home .home-return__item[open] {
  background: var(--sand-light);
}

.page-home .home-return__item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  list-style: none;
}

.page-home .home-return__item summary::-webkit-details-marker {
  display: none;
}

.page-home .home-return__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-home .home-return__item[open] .home-return__name {
  color: var(--cinnabar);
}

.page-home .home-return__no {
  font-size: 13px;
  color: var(--sand-deep);
}

.page-home .home-return__item p {
  margin: 12px 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--moss);
}

.page-home .home-return__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
}

.page-home .home-return__link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ============ 服务规模 ============ */
.page-home .home-scale {
  padding: clamp(42px, 9vw, 100px) 0;
  background: var(--sand-light);
}

.page-home .home-scale h2 {
  margin: 12px 0 0;
}

.page-home .home-scale .ss-lead {
  margin-top: 14px;
}

.page-home .home-scale__grid {
  display: grid;
  gap: clamp(20px, 4vw, 34px);
  margin-top: clamp(24px, 4vw, 38px);
}

.page-home .home-scale__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-home .home-scale__stat {
  padding: 14px 14px 16px;
  background: var(--paper);
  border-top: 3px solid var(--sand);
  box-shadow: var(--shadow-card);
}

.page-home .home-scale__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 5.6vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--ink-deep);
}

.page-home .home-scale__label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .home-scale__stat p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

.page-home .home-scale__figure {
  margin: 0;
  border: 1px solid var(--mist);
  background: var(--paper);
  box-shadow: var(--shadow-card);
}

.page-home .home-scale__figure .ss-figure__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-scale__note {
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(166, 124, 61, .3);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

/* ============ 场景与收益 ============ */
.page-home .home-scene {
  padding: clamp(42px, 9vw, 100px) 0;
  background: var(--paper);
}

.page-home .home-scene h2 {
  margin: 12px 0 0;
}

.page-home .home-scene__grid {
  margin-top: clamp(22px, 4vw, 36px);
}

.page-home .home-scene__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cinnabar);
}

.page-home .home-scene__card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--ink-deep);
}

.page-home .home-scene__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--moss);
}

.page-home .home-scene__fact {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 18px 20px;
  background: var(--ink);
  border-left: 4px solid var(--cinnabar);
  font-size: 15px;
  line-height: 1.85;
  color: var(--sand-light);
}

/* ============ 行动区 ============ */
.page-home .home-cta {
  padding: clamp(38px, 8vw, 88px) 0 clamp(32px, 6vw, 64px);
  background: var(--ink-deep);
}

.page-home .home-cta .ss-kicker {
  color: var(--sand);
}

.page-home .home-cta h2 {
  margin: 12px 0 0;
  color: var(--paper);
}

.page-home .home-cta__panel {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(22px, 4vw, 34px);
}

.page-home .home-cta__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(247, 244, 236, .84);
}

.page-home .home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .home-cta .ss-btn--ghost {
  border-color: rgba(217, 179, 108, .6);
  color: var(--sand-light);
}

.page-home .home-cta__figure {
  margin: 0;
  border: 1px solid rgba(217, 179, 108, .35);
  background: var(--ink);
}

.page-home .home-cta__figure .ss-figure__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .home-cta__note {
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(217, 179, 108, .28);
  font-size: 14px;
  line-height: 1.9;
  color: rgba(247, 244, 236, .72);
}

.page-home .home-cta__note a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .home-cta__note a:hover {
  color: var(--sand-light);
}

/* ============ 断点 ============ */
@media (min-width: 720px) {
  .page-home .home-scale__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-home .home-hero__card {
    margin-left: -22px;
  }

  .page-home .home-hero__collage::before {
    left: -18px;
  }

  .page-home .home-axis__grid {
    grid-template-columns: minmax(230px, 330px) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-home .home-scale__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

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

  .page-home .home-cta__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-home .home-hero__echo svg {
    height: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-axis__item,
  .page-home .home-version .ss-tabs__tab,
  .page-home .home-return__summary,
  .page-home .home-hero__cardlink {
    transition: none;
  }
}
<<<END>>>