.page-home {
  background: var(--ink-800);
  color: var(--text-1);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.08;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: -140px;
  top: -160px;
  width: 480px;
  height: 480px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(185, 136, 63, 0.18), transparent 68%);
}

.page-home .home-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .hero-rail {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .hero-rail__tag {
  font-size: var(--step-1);
  letter-spacing: 0.22em;
  color: var(--brass-soft);
}

.page-home .hero-rail__num {
  font-family: var(--font-mono);
  font-size: 68px;
  line-height: 1;
  color: var(--brass);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--brass-soft);
  width: fit-content;
}

.page-home .hero-rail__meta {
  margin-top: 4px;
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-home .hero-cover {
  display: flex;
  flex-direction: column;
  gap: 26px;
  min-width: 0;
}

.page-home .hero-cover__eyebrow {
  color: var(--brass-soft);
}

.page-home .hero-cover__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text-1);
  max-width: 15ch;
}

.page-home .hero-cover__lead {
  margin: 0 0 26px;
  max-width: 54ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-2);
}

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

.page-home .hero-cover__shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

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

.page-home .hero-cover__caption {
  display: block;
  padding: 10px 12px;
  font-size: var(--step-1);
  color: var(--brass-soft);
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 64px 0 88px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 48px;
  }

  .page-home .hero-rail__num {
    font-size: 104px;
  }

  .page-home .hero-cover {
    min-height: 560px;
  }

  .page-home .hero-cover__body {
    margin-top: auto;
  }

  .page-home .hero-cover__shot {
    max-width: 520px;
  }
}

/* ---------- 通用区块 ---------- */

.page-home .home-block {
  padding: 64px 0;
}

.page-home .home-block .section-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.page-home .home-block .section-head__meta {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-2);
}

@media (min-width: 900px) {
  .page-home .home-block {
    padding: 88px 0;
  }
}

/* ---------- 站点地图 ---------- */

.page-home .home-sitemap {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-home .sitemap {
  list-style: none;
  margin: 32px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .sitemap__item {
  display: flex;
  min-width: 0;
}

.page-home .sitemap__link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  color: var(--text-1);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-home .sitemap__link:hover {
  background: var(--ink-700);
  border-left-color: var(--amber);
}

.page-home .sitemap__link:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: -2px;
}

.page-home .sitemap__num {
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--brass);
}

.page-home .sitemap__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-4);
  line-height: 1.3;
}

.page-home .sitemap__link:hover .sitemap__name {
  color: var(--amber);
}

.page-home .sitemap__meta {
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--text-2);
}

@media (min-width: 620px) {
  .page-home .sitemap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .sitemap {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 案例合集 ---------- */

.page-home .home-folios {
  background: var(--paper);
  color: var(--on-paper-1);
  border-top: 1px solid var(--line);
}

.page-home .home-folios .section-head__meta {
  color: var(--on-paper-2);
}

.page-home .home-folios__band {
  margin: 28px 0 0;
  border: 1px solid rgba(10, 22, 34, 0.16);
  background: var(--ink-800);
}

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

.page-home .folio-grid {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-home .folio__link {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-height: 104px;
  padding: 12px 12px 14px;
  background: var(--ink-800);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform 0.18s ease, background 0.18s ease;
}

.page-home .folio__link:hover {
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-home .folio__link:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: -2px;
}

.page-home .folio__num {
  font-size: var(--step-4);
  line-height: 1;
  color: var(--brass-soft);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(224, 188, 130, 0.35);
  width: fit-content;
}

.page-home .folio__meta {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--slate);
}

@media (min-width: 560px) {
  .page-home .folio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .folio-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }
}

@media (hover: hover) and (min-width: 860px) {
  .page-home .folio__meta {
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.18s ease, transform 0.18s ease, color 0.18s ease;
  }

  .page-home .folio__link:hover .folio__meta,
  .page-home .folio__link:focus-visible .folio__meta {
    opacity: 1;
    transform: translateY(0);
    color: var(--brass-soft);
  }
}

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

.page-home .home-folios__more .btn--ghost {
  border-color: var(--brass-ink);
  color: var(--brass-ink);
}

.page-home .home-folios__more .btn--ghost:hover {
  background: var(--brass-ink);
  color: var(--paper);
}

/* ---------- 对照预览 ---------- */

.page-home .home-compare {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}

.page-home .compare-layout {
  margin-top: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .compare-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding: 3px;
  background: var(--ink-900);
  border: 1px solid var(--line);
}

.page-home .compare-tab {
  flex: 1 1 140px;
  min-width: 0;
  padding: 12px 14px;
  background: transparent;
  border: 0;
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: var(--step-2);
  line-height: 1.4;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-home .compare-tab:hover {
  color: var(--text-1);
}

.page-home .compare-tab[aria-selected="true"] {
  background: var(--amber);
  color: var(--ink-900);
  font-weight: 600;
}

.page-home .compare-tab:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.page-home .compare-panel {
  margin-top: 18px;
}

.page-home .compare-panel:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 4px;
}

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

.page-home .compare-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
}

.page-home .compare-item__id {
  flex: 0 0 auto;
  min-width: 62px;
  font-size: var(--step-1);
  color: var(--brass-soft);
}

.page-home .compare-item__text {
  flex: 1 1 200px;
  min-width: 0;
  font-size: var(--step-3);
  line-height: 1.65;
  color: var(--text-1);
}

.page-home .compare-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-home .compare-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-home .compare-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 版本节奏 ---------- */

.page-home .home-cadence {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-home .cadence {
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

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

.page-home .cadence__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--text-1);
}

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

.page-home .cadence__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--step-4);
  line-height: 1;
  color: var(--brass);
}

.page-home .cadence__row[open] .cadence__summary::after {
  content: "–";
  color: var(--amber);
}

.page-home .cadence__summary:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: -2px;
}

.page-home .cadence__when {
  flex: 0 0 auto;
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  color: var(--brass-soft);
}

.page-home .cadence__title {
  flex: 1 1 200px;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-4);
  line-height: 1.35;
}

.page-home .cadence__kind {
  flex: 0 1 auto;
  font-size: var(--step-1);
  color: var(--slate);
}

.page-home .cadence__body {
  margin: 0;
  padding: 0 2px 24px;
  max-width: 68ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 过渡图 ---------- */

.page-home .home-transition {
  margin: 0;
  padding: 0;
  display: block;
  position: relative;
  background: var(--ink-900);
}

.page-home .home-transition::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 22, 34, 0.55), rgba(10, 22, 34, 0.1) 55%, rgba(10, 22, 34, 0.75));
}

.page-home .home-transition img {
  display: block;
  width: 100%;
  height: clamp(180px, 26vw, 320px);
  object-fit: cover;
  filter: saturate(0.9);
}

/* ---------- 服务通道 ---------- */

.page-home .home-service {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  padding-bottom: 72px;
}

.page-home .service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-home .service-copy h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  color: var(--text-1);
}

.page-home .service-copy p {
  margin: 0 0 12px;
  max-width: 54ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-2);
}

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

.page-home .service-list__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .service-list dt {
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  color: var(--brass-soft);
}

.page-home .service-list dd {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.6;
  color: var(--text-1);
  word-break: break-word;
}

.page-home .service-note {
  margin: 28px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--celadon);
  max-width: 72ch;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--text-2);
}

@media (min-width: 900px) {
  .page-home .service-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 56px;
  }
}

/* ---------- 降低动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .sitemap__link,
  .page-home .folio__link,
  .page-home .folio__meta,
  .page-home .compare-tab {
    transition: none;
  }

  .page-home .folio__link:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>