.page-home {
  --home-pad: clamp(56px, 9vw, 104px);
  --home-line-soft: rgba(43, 49, 52, 0.14);
  --home-line-rgb: rgba(247, 244, 238, 0.22);
  --home-line-hover: #35636a;
  --rail-card-w: clamp(250px, 74vw, 344px);
  background: var(--cream);
  color: var(--rock);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-home p {
  margin: 0;
}

.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.03em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px) 0 clamp(36px, 6vw, 68px);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(230, 239, 240, 0.95) 0%, rgba(230, 239, 240, 0) 62%),
    linear-gradient(152deg, var(--snow-100) 0%, #d9e6e7 46%, var(--sand-300) 128%);
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  z-index: -1;
}

.page-home .home-hero__frame {
  position: relative;
  padding: clamp(18px, 3.4vw, 40px);
  border: 1px solid var(--home-line-soft);
  background: rgba(247, 244, 238, 0.58);
}

.page-home .home-hero__frame::before {
  content: "";
  position: absolute;
  inset: 7px;
  pointer-events: none;
  background-image:
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange)),
    linear-gradient(var(--orange), var(--orange));
  background-size:
    16px 1px, 1px 16px,
    16px 1px, 1px 16px,
    16px 1px, 1px 16px,
    16px 1px, 1px 16px;
  background-position:
    left top, left top,
    right top, right top,
    left bottom, left bottom,
    right bottom, right bottom;
  background-repeat: no-repeat;
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
}

.page-home .home-hero__crumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--snow-700);
}

.page-home .home-hero__crumb::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--orange);
}

.page-home .home-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 72px);
  line-height: 1.06;
  letter-spacing: 0.04em;
  color: var(--rock-deep);
  max-width: 14em;
}

.page-home .home-hero__sub {
  margin-top: 18px;
  max-width: 34em;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--rock);
}

.page-home .home-hero__sub--muted {
  margin-top: 8px;
  font-size: var(--fs-13);
  color: var(--snow-700);
  letter-spacing: 0.02em;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 26px;
}

/* 检索面板 */
.page-home .retrieval {
  align-self: end;
  border: 1px solid var(--home-line-soft);
  background: var(--cream);
  box-shadow: 0 22px 40px -34px rgba(43, 49, 52, 0.8);
  min-width: 0;
}

.page-home .retrieval__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--rock);
}

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

.page-home .retrieval__icon {
  color: var(--orange-deep);
  font-size: var(--fs-15);
}

.page-home .retrieval__summary::after {
  content: "+";
  margin-left: auto;
  font-size: var(--fs-21);
  line-height: 1;
  color: var(--orange-deep);
}

.page-home .retrieval[open] .retrieval__summary::after {
  content: "–";
}

.page-home .retrieval__body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--line);
}

.page-home .retrieval__hint {
  padding: 14px 0 12px;
  font-size: var(--fs-13);
  color: var(--snow-700);
  line-height: 1.7;
}

/* 索引条 */
.page-home .idx-bar {
  display: flex;
  gap: 1px;
  margin-top: clamp(24px, 4vw, 38px);
  background: var(--home-line-soft);
  border: 1px solid var(--home-line-soft);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .idx-bar__item {
  flex: 1 0 78%;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 12px 16px;
  background: var(--cream);
  color: var(--rock);
  text-decoration: none;
  scroll-snap-align: start;
  transition: background 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-home .idx-bar__item:hover,
.page-home .idx-bar__item:focus-visible {
  background: var(--snow-100);
  box-shadow: inset 0 -2px 0 var(--orange);
}

.page-home .idx-bar__no {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--sand-600);
}

.page-home .idx-bar__label {
  font-size: var(--fs-15);
  font-weight: 500;
  white-space: nowrap;
}

.page-home .idx-bar__go {
  margin-left: auto;
  color: var(--orange-deep);
  font-family: var(--font-mono);
  font-size: var(--fs-15);
}

/* ---------- 通用小标题 ---------- */
.page-home .sec-head {
  display: grid;
  gap: 12px;
  max-width: 56ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-home .sec-head h2 {
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.16;
  color: var(--rock-deep);
}

.page-home .sec-head__note {
  font-size: var(--fs-15);
  color: var(--snow-700);
}

.page-home .sec-head--dark h2 {
  color: var(--cream);
}

/* ---------- 场景 ---------- */
.page-home .home-scenes {
  padding: var(--home-pad) 0;
  background: var(--cream);
}

.page-home .home-scenes__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

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

.page-home .scene {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 14px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-top: 1px solid var(--line);
}

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

.page-home .scene__no {
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--clay);
  padding-top: 5px;
}

.page-home .scene__body h3 {
  font-size: var(--fs-21);
  line-height: 1.4;
  color: var(--rock-deep);
}

.page-home .scene__body p {
  margin-top: 10px;
  font-size: var(--fs-15);
  line-height: 1.8;
  max-width: 42em;
}

.page-home .scene__body .scene__result {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--moss);
  color: var(--moss);
  font-size: var(--fs-13);
  letter-spacing: 0.01em;
}

.page-home .scene__body .link-u {
  display: inline-block;
  margin-top: 14px;
}

.page-home .home-scenes__figure {
  margin: 0;
  min-width: 0;
}

.page-home .home-scenes__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--snow-700);
  line-height: 1.7;
}

/* ---------- 四条主线 ---------- */
.page-home .home-lines {
  position: relative;
  margin-top: -1px;
  padding: clamp(64px, 10vw, 116px) 0 clamp(56px, 8vw, 92px);
  background: var(--snow-700);
  color: var(--cream);
  clip-path: polygon(0 clamp(24px, 4vw, 56px), 100% 0, 100% 100%, 0 100%);
}

.page-home .home-lines__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 4vw, 36px);
  background: var(--home-line-rgb);
  border: 1px solid var(--home-line-rgb);
}

.page-home .mainline {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--snow-700);
  transition: background 0.24s var(--ease);
}

.page-home .mainline:hover,
.page-home .mainline:focus-within {
  background: var(--home-line-hover);
}

.page-home .mainline__no {
  font-size: var(--fs-28);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--sand-300);
}

.page-home .mainline h3 {
  font-size: var(--fs-21);
  line-height: 1.35;
  color: var(--cream);
}

.page-home .mainline p {
  font-size: var(--fs-15);
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.84);
}

.page-home .mainline__count {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--sand-300);
  opacity: 0.62;
  transition: opacity 0.24s var(--ease);
}

.page-home .mainline:hover .mainline__count,
.page-home .mainline:focus-within .mainline__count {
  opacity: 1;
}

.page-home .mainline__go {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.page-home .mainline__go:hover,
.page-home .mainline__go:focus-visible {
  border-bottom-width: 2px;
}

/* ---------- 版本与适配 ---------- */
.page-home .home-versions {
  padding: var(--home-pad) 0;
  background: linear-gradient(180deg, var(--cream) 0%, #f2ebdf 100%);
}

.page-home .versions__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .versions__table-col {
  min-width: 0;
}

.page-home .ver-table__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: var(--cream);
}

.page-home .ver-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: var(--fs-15);
  line-height: 1.65;
}

.page-home .ver-table th,
.page-home .ver-table td {
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.page-home .ver-table tr:last-child th,
.page-home .ver-table tr:last-child td {
  border-bottom: 0;
}

.page-home .ver-table th:last-child,
.page-home .ver-table td:last-child {
  border-right: 0;
}

.page-home .ver-table thead th {
  background: var(--sand-300);
  color: var(--rock-deep);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
}

.page-home .ver-table tbody th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--clay);
  white-space: nowrap;
  background: rgba(216, 195, 163, 0.24);
}

.page-home .adapt {
  display: grid;
  gap: 12px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-home .adapt__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-home .adapt__key {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--sand-600);
}

.page-home .adapt dd {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--rock);
}

.page-home .versions__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .versions__figure {
  margin: 0;
  min-width: 0;
}

.page-home .versions__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--snow-700);
  line-height: 1.7;
}

/* ---------- 栏目更新卷轴 ---------- */
.page-home .home-columns {
  padding: var(--home-pad) 0;
  background: var(--cream);
  border-top: 1px solid var(--line);
}

.page-home .rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 18px;
  margin-top: clamp(22px, 4vw, 36px);
}

.page-home .rail__card {
  flex: 0 0 var(--rail-card-w);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  scroll-snap-align: start;
  background: var(--snow-100);
  border: 1px solid var(--line);
  color: var(--rock);
  text-decoration: none;
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-home .rail__card:hover,
.page-home .rail__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--sand-600);
  box-shadow: 0 20px 32px -28px rgba(43, 49, 52, 0.75);
}

.page-home .rail__card--feature {
  padding: 0;
  background: var(--snow-700);
  color: var(--cream);
  border-color: var(--snow-700);
  overflow: hidden;
}

.page-home .rail__card--feature img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .rail__card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 22px;
}

.page-home .rail__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-home .rail__tag::before {
  content: "";
  width: 10px;
  height: 2px;
  background: var(--moss);
}

.page-home .rail__card--feature .rail__tag {
  color: var(--sand-300);
}

.page-home .rail__card--feature .rail__tag::before {
  background: var(--orange);
}

.page-home .rail__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-21);
  line-height: 1.42;
  letter-spacing: 0.02em;
}

.page-home .rail__time {
  margin-top: auto;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-home .rail__card--feature .rail__time {
  color: var(--snow-300);
}

.page-home .rail__more {
  margin-top: 8px;
}

/* ---------- 联系收束 ---------- */
.page-home .home-reach {
  padding: clamp(56px, 9vw, 100px) 0;
  background: var(--rock-deep);
  color: var(--cream);
}

.page-home .reach__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .reach__lead h2 {
  margin-top: 12px;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.16;
  color: var(--cream);
}

.page-home .reach__text {
  margin-top: 16px;
  max-width: 40em;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.82);
}

.page-home .reach__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 24px;
}

.page-home .reach__panel {
  min-width: 0;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--home-line-rgb);
  background: rgba(247, 244, 238, 0.04);
}

.page-home .reach__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--home-line-rgb);
}

.page-home .reach__key {
  flex: 0 0 62px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--sand-300);
  padding-top: 2px;
}

.page-home .reach__val {
  flex: 1 1 200px;
  min-width: 0;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--cream);
  word-break: break-word;
}

.page-home .reach__note {
  margin-top: 16px;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--snow-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-home .home-hero__sub {
    font-size: var(--fs-17);
  }

  .page-home .idx-bar__item {
    flex: 1 0 46%;
  }

  .page-home .rail__card {
    flex-basis: clamp(260px, 40vw, 330px);
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
    align-items: end;
  }

  .page-home .idx-bar__item {
    flex: 1 1 0;
  }

  .page-home .home-scenes__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4.4fr);
    align-items: start;
  }

  .page-home .home-scenes__figure {
    margin-top: 56px;
  }

  .page-home .versions__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .reach__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 720px) {
  .page-home .home-lines__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-home .home-lines__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .mainline,
  .page-home .rail__card,
  .page-home .idx-bar__item,
  .page-home .mainline__count {
    transition: none;
  }

  .page-home .rail__card:hover,
  .page-home .rail__card:focus-visible {
    transform: none;
  }
}
<<<END>>>