.page-home {
  --home-gold-deep: #9C7A2E;
  --home-line-dark: rgba(244, 239, 230, 0.13);
  --home-line-gold: rgba(200, 162, 74, 0.3);
  --home-ink-soft: #4A4741;
  display: block;
  background: var(--ivory);
  color: var(--ink);
}

/* ============ 首屏封面 ============ */
.page-home .home-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--ivory);
  padding: 48px 0 56px;
}

.page-home .home-cover::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 150%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(46% 38% at 18% 8%, rgba(200, 162, 74, 0.17), transparent 72%),
    radial-gradient(38% 34% at 86% 26%, rgba(110, 31, 42, 0.26), transparent 72%),
    radial-gradient(42% 44% at 62% 92%, rgba(30, 58, 50, 0.42), transparent 74%);
  animation: home-breathe 15s ease-in-out infinite;
}

.page-home .home-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  z-index: 1;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.55;
}

@keyframes home-breathe {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

.page-home .home-cover__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

/* 封面左侧编号轨道 */
.page-home .home-cover__rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  flex-direction: row;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .home-cover__rail-list::-webkit-scrollbar {
  display: none;
}

.page-home .home-cover__rail-list li {
  flex: 0 0 auto;
}

.page-home .home-cover__rail-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--home-line-dark);
  border-radius: var(--radius-pill);
  color: var(--ivory);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-home .home-cover__rail-list a:hover,
.page-home .home-cover__rail-list a:focus-visible {
  border-color: var(--gold);
  color: var(--gold-bright);
}

.page-home .home-cover__rail-label {
  font-size: 13px;
}

/* 封面文字 */
.page-home .home-cover__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .home-cover__title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(29px, 6.6vw, 56px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-home .home-cover__lead {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.76);
}

/* 更新提示条 */
.page-home .home-update {
  margin: 0 0 26px;
  border: 1px solid rgba(110, 31, 42, 0.6);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(110, 31, 42, 0.3), rgba(11, 11, 13, 0.12));
  overflow: hidden;
}

.page-home .home-update > .disclosure__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--ivory);
}

.page-home .home-update > .disclosure__summary::-webkit-details-marker {
  display: none;
}

.page-home .home-update > .disclosure__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-narrow);
  color: var(--gold);
}

.page-home .home-update[open] > .disclosure__summary::after {
  content: "－";
}

.page-home .home-update .disclosure__count {
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-bright);
  border: 1px solid rgba(200, 162, 74, 0.45);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.page-home .home-update .disclosure__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--home-line-dark);
}

.page-home .home-update .disclosure__body ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-update .disclosure__body li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.78);
}

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

/* 封面主视觉 */
.page-home .home-cover__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--home-line-gold);
  background: linear-gradient(160deg, var(--green), var(--ink));
}

.page-home .home-cover__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: 0.94;
}

/* ============ 四条核心路径 ============ */
.page-home .home-paths {
  background: var(--ivory);
  padding: 60px 0;
  border-bottom: 1px solid var(--sand);
}

.page-home .home-paths .section-head__num,
.page-home .home-library .section-head__num,
.page-home .home-cases .section-head__num {
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-home .home-paths .section-head__num,
.page-home .home-library .section-head__num {
  color: var(--home-gold-deep);
}

.page-home .home-paths .section-head__lead,
.page-home .home-library .section-head__lead {
  color: var(--home-ink-soft);
}

.page-home .home-paths__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--sand);
}

.page-home .home-path {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 26px 0;
  border-bottom: 1px solid var(--sand);
}

.page-home .home-path__num {
  font-size: 32px;
  line-height: 1;
  color: var(--home-gold-deep);
  opacity: 0.9;
}

.page-home .home-path__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .home-path__text {
  margin: 0 0 12px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

.page-home .home-path__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--home-gold-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-home .home-path__link::after {
  content: "→";
}

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

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

.page-home .home-path__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--sand);
}

/* ============ 案例合集速览 ============ */
.page-home .home-cases {
  background: linear-gradient(168deg, var(--green) 0%, #16241F 100%);
  color: var(--ivory);
  padding: 60px 0;
}

.page-home .home-cases .section-head__title {
  color: var(--white);
}

.page-home .home-cases .section-head__lead {
  color: rgba(244, 239, 230, 0.72);
}

.page-home .home-cases__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-home .home-cases__stats {
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--home-line-dark);
  border: 1px solid var(--home-line-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .home-cases__stats > div {
  background: rgba(11, 11, 13, 0.36);
  padding: 18px 18px 20px;
}

.page-home .home-cases__stats dt {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(244, 239, 230, 0.6);
}

.page-home .home-cases__stats dd {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: clamp(20px, 3.4vw, 26px);
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}

.page-home .home-cases__notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

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

.page-home .home-cases__notes li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .home-cases__notes .u-num {
  font-size: 12px;
  color: var(--gold);
  padding-top: 4px;
}

.page-home .home-cases__notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.82);
}

/* ============ 资料库分区速览 ============ */
.page-home .home-library {
  background: var(--ivory);
  padding: 60px 0;
}

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

.page-home .home-library__zones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1px;
  background: var(--sand);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .home-library__zones li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--white);
  font-size: 14px;
  color: var(--ink);
}

.page-home .home-library__zones .u-num {
  font-size: 12px;
  color: var(--home-gold-deep);
}

.page-home .home-library__aside {
  display: grid;
  gap: 24px;
  align-content: start;
}

.page-home .home-library__aside .figure__frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--sand);
  background: linear-gradient(160deg, var(--green-2), var(--ink));
}

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

.page-home .home-library__aside .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

.page-home .home-library__mobile {
  padding: 20px;
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  background: rgba(30, 58, 50, 0.06);
}

.page-home .home-library__mobile-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.page-home .home-library__mobile-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

/* ============ 联系与入口指引 ============ */
.page-home .home-contact {
  background: var(--ink-2);
  color: var(--ivory);
  padding: 56px 0;
  border-top: 1px solid var(--home-line-gold);
}

.page-home .home-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-home .home-contact .u-num {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .home-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.3;
  color: var(--white);
}

.page-home .home-contact__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.76);
}

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

/* ============ 断点 ============ */
@media (min-width: 720px) {
  .page-home .home-cover {
    padding: 64px 0 72px;
  }

  .page-home .home-cover__inner {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 36px 40px;
  }

  .page-home .home-cover__rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--home-line-gold);
  }

  .page-home .home-cover__rail-list li {
    border-bottom: 1px solid var(--home-line-dark);
  }

  .page-home .home-cover__rail-list li:first-child {
    border-top: 1px solid var(--home-line-dark);
  }

  .page-home .home-cover__rail-list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    padding: 13px 10px 13px 16px;
    border: 0;
    border-radius: 0;
    white-space: normal;
  }

  .page-home .home-cover__rail-list a:hover,
  .page-home .home-cover__rail-list a:focus-visible {
    background: rgba(200, 162, 74, 0.08);
  }

  .page-home .home-cover__figure {
    grid-column: 2;
  }

  .page-home .home-path {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 26px;
    padding: 32px 0;
  }

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

  .page-home .home-cases__notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 32px;
  }

  .page-home .home-cases__notes li {
    grid-template-columns: auto minmax(0, 1fr);
    border-bottom: 0;
    padding-bottom: 0;
  }
}

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

  .page-home .home-library__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }

  .page-home .home-contact__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-home .home-contact__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-home .home-cover {
    padding: 76px 0 88px;
  }

  .page-home .home-cover__inner {
    grid-template-columns: 104px minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .home-cover__content {
    grid-column: 2;
  }

  .page-home .home-cover__figure {
    grid-column: 3;
    margin-top: 6px;
  }

  .page-home .home-cover__figure img {
    aspect-ratio: 4 / 5;
  }

  .page-home .home-paths .section-head,
  .page-home .home-library .section-head,
  .page-home .home-cases .section-head {
    max-width: 62ch;
  }

  .page-home .home-paths {
    padding: 84px 0;
  }

  .page-home .home-cases,
  .page-home .home-library {
    padding: 84px 0;
  }

  .page-home .home-path--figure {
    grid-template-columns: 92px minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-cover::before {
    animation: none;
    opacity: 0.9;
  }

  .page-home .home-cover__rail-list a,
  .page-home .home-path__link {
    transition: none;
  }
}