.page-home {
  --ph-hero-line: rgba(246, 244, 239, 0.22);
  --ph-hero-text: rgba(246, 244, 239, 0.82);
  --ph-hero-dim: rgba(246, 244, 239, 0.58);
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-home .section {
  padding: 52px 0;
}

.page-home .section--tight {
  padding: 40px 0;
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--index-gray);
  margin: 0 0 14px;
}

.page-home .eyebrow--paper {
  color: rgba(246, 244, 239, 0.62);
}

.page-home .h2 {
  font-size: clamp(25px, 5.4vw, 36px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.page-home .lede {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--graphite);
  margin: 0 0 22px;
  max-width: 30em;
}

/* 01 — 框景首屏 */
.page-home .hero {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
  padding: 24px 0 48px;
}

.page-home .hero__frame {
  position: relative;
  width: calc(100% - 28px);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 16px 30px;
  border: 1px solid var(--ph-hero-line);
  background-image:
    linear-gradient(var(--amber-500), var(--amber-500)),
    linear-gradient(var(--amber-500), var(--amber-500));
  background-size: 20px 1px, 1px 20px;
  background-position: 10px 10px, 10px 10px;
  background-repeat: no-repeat;
}

.page-home .hero__inner {
  display: grid;
  gap: 30px;
}

.page-home .hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ph-hero-dim);
}

.page-home .hero__idx {
  display: inline-block;
  padding: 4px 7px;
  border: 1px solid var(--ph-hero-line);
  color: var(--amber-500);
}

.page-home .hero__title {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(34px, 9vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--paper);
}

.page-home .hero__lede {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ph-hero-text);
  margin: 0;
  max-width: 26em;
}

.page-home .hero__aside {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-home .hero .btn--ghost {
  color: var(--paper);
  border-color: rgba(246, 244, 239, 0.4);
  background: transparent;
}

.page-home .hero .btn--ghost:hover,
.page-home .hero .btn--ghost:focus-visible {
  border-color: var(--amber-500);
  color: var(--amber-500);
}

.page-home .hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--ph-hero-line);
}

.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .hero__visual figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--ph-hero-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ph-hero-dim);
}

/* 检索组件（页面版） */
.page-home .search {
  position: relative;
  margin: 24px 0 0;
  max-width: 520px;
}

.page-home .search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 2px 14px;
  background: var(--paper-2);
  border-left: 3px solid var(--celadon-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 13px), calc(100% - 13px) 100%, 0 100%);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .search:focus-within .search__field {
  background: var(--celadon-100);
  border-left-color: var(--celadon-ink);
}

.page-home .search__glyph {
  font-size: 18px;
  line-height: 1;
  color: var(--celadon-ink);
}

.page-home .search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 13px 0;
  border: 0;
  background: transparent;
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: 15px;
  outline: none;
}

.page-home .search__input::placeholder {
  color: var(--index-gray);
}

.page-home .search__hint {
  flex: 0 0 auto;
  padding: 5px 9px;
  border: 1px solid var(--celadon-500);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--celadon-ink);
}

.page-home .search__panel {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  z-index: 5;
  padding: 6px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  box-shadow: 0 18px 42px rgba(11, 26, 42, 0.32);
}

.page-home .search:focus-within .search__panel {
  display: block;
}

.page-home .search__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--graphite);
  font-size: 14px;
  text-decoration: none;
}

.page-home .search__item:last-child {
  border-bottom: 0;
}

.page-home .search__item:hover,
.page-home .search__item:focus-visible {
  background: var(--celadon-100);
  color: var(--celadon-ink);
}

.page-home .search__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--index-gray);
}

.page-home .search__empty {
  display: none;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ph-hero-dim);
}

/* 02 — 上手路径 */
.page-home .path {
  background: var(--paper);
}

.page-home .path__grid {
  display: grid;
  gap: 34px;
}

.page-home .path__figure {
  margin: 0;
  border: 1px solid var(--line);
}

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

.page-home .path__figure figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--index-gray);
}

.page-home .steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .steps::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: var(--line);
}

.page-home .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding-bottom: 26px;
}

.page-home .steps__item:last-child {
  padding-bottom: 0;
}

.page-home .steps__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-900);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .steps__item:hover .steps__num {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--ink-900);
}

.page-home .steps__title {
  margin: 4px 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.page-home .steps__title a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .steps__title a:hover,
.page-home .steps__title a:focus-visible {
  color: var(--celadon-ink);
  border-bottom-color: var(--celadon-500);
}

.page-home .steps__text {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-home .steps__time {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--celadon-ink);
}

.page-home .steps__time::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  background: var(--celadon-500);
  vertical-align: 1px;
}

/* 03 — 更新公告主题带 */
.page-home .updates {
  background: var(--paper-2);
  border-top: 3px solid var(--amber-500);
}

.page-home .updates__head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 26px;
}

.page-home .updates__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .updates .chip {
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--indigo-500);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .updates .chip:hover,
.page-home .updates .chip:focus-visible {
  border-color: var(--celadon-500);
  color: var(--celadon-ink);
}

.page-home .updates .chip.is-active,
.page-home .updates .chip[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-home .updates__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}

.page-home .notice {
  flex: 0 0 82%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .notice__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-home .notice__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--index-gray);
}

.page-home .notice__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-900);
}

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

.page-home .notice__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--celadon-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--celadon-500);
}

.page-home .updates__empty {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--index-gray);
}

.page-home .updates__more {
  margin: 18px 0 0;
  font-size: 14px;
}

.page-home .updates__more a {
  color: var(--indigo-500);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .updates__more a:hover,
.page-home .updates__more a:focus-visible {
  border-bottom-color: var(--celadon-500);
}

/* 04 — 版本并排对照 */
.page-home .compare {
  background: var(--ink-700);
  color: var(--paper);
}

.page-home .compare__grid {
  display: grid;
  gap: 30px;
}

.page-home .compare__figure {
  margin: 0;
  border: 1px solid var(--ph-hero-line);
}

.page-home .compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 30 / 19;
  object-fit: cover;
}

.page-home .compare__figure figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--ph-hero-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ph-hero-dim);
}

.page-home .compare__body .h2 {
  color: var(--paper);
}

.page-home .compare__text {
  margin: 0 0 24px;
  max-width: 30em;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ph-hero-text);
}

.page-home .compare__cats {
  display: grid;
  gap: 1px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  background: var(--ph-hero-line);
  border: 1px solid var(--ph-hero-line);
}

.page-home .compare__cat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(11, 26, 42, 0.32);
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-home .compare__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}

.page-home .compare__desc {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--ph-hero-dim);
  text-align: right;
}

.page-home .compare__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .compare .btn--ghost {
  color: var(--paper);
  border-color: rgba(246, 244, 239, 0.4);
  background: transparent;
}

.page-home .compare .btn--ghost:hover,
.page-home .compare .btn--ghost:focus-visible {
  border-color: var(--amber-500);
  color: var(--amber-500);
}

/* 05 — 资料索引预览 */
.page-home .index {
  background: var(--celadon-100);
}

.page-home .index__head {
  max-width: 40em;
  margin-bottom: 26px;
}

.page-home .index__head .eyebrow {
  color: var(--celadon-ink);
}

.page-home .index__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .index__grid {
  display: grid;
  gap: 12px;
}

.page-home .idxcard {
  display: block;
  padding: 18px 16px 20px;
  background: var(--paper-2);
  border: 1px solid rgba(31, 90, 78, 0.22);
  border-top: 3px solid var(--celadon-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .idxcard:hover,
.page-home .idxcard:focus-visible {
  background: #ffffff;
  border-top-color: var(--amber-500);
}

.page-home .idxcard__code {
  display: inline-block;
  margin-bottom: 12px;
}

.page-home .idxcard__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-home .idxcard__meta {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--index-gray);
}

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

.page-home .index__figure {
  margin: 26px 0 0;
  border: 1px solid rgba(31, 90, 78, 0.22);
  background: var(--paper-2);
}

.page-home .index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-home .index__figure figcaption {
  padding: 8px 10px;
  border-top: 1px solid rgba(31, 90, 78, 0.22);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--celadon-ink);
}

/* 06 — 联系入口 */
.page-home .reach {
  background: var(--ink-900);
  color: var(--paper);
}

.page-home .reach__grid {
  display: grid;
  gap: 32px;
}

.page-home .reach__body .h2 {
  color: var(--paper);
}

.page-home .reach__text {
  margin: 0 0 14px;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ph-hero-text);
}

.page-home .reach__hint {
  margin: 0 0 18px;
  max-width: 32em;
  padding: 12px 14px;
  background: rgba(226, 162, 60, 0.14);
  border-left: 3px solid var(--amber-500);
  font-size: 14px;
  line-height: 1.7;
  color: var(--amber-100);
}

.page-home .reach__link {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber-500);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-500);
}

.page-home .reach__channels {
  display: grid;
  gap: 1px;
  background: var(--ph-hero-line);
  border: 1px solid var(--ph-hero-line);
}

.page-home .reach__item {
  padding: 16px;
  background: var(--ink-900);
}

.page-home .reach__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ph-hero-dim);
}

.page-home .reach__copy {
  display: inline-block;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid rgba(246, 244, 239, 0.32);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .reach__copy:hover,
.page-home .reach__copy:focus-visible {
  border-color: var(--celadon-500);
  background: rgba(63, 143, 126, 0.18);
  color: var(--celadon-100);
}

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

@media (min-width: 640px) {
  .page-home .index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .notice {
    flex: 0 0 46%;
  }
}

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

  .page-home .section--tight {
    padding: 56px 0;
  }

  .page-home .hero {
    padding: 36px 0 72px;
  }

  .page-home .hero__frame {
    padding: 40px 44px 52px;
  }

  .page-home .hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
  }

  .page-home .hero__lede {
    font-size: 18px;
  }

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

  .page-home .path__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
  }

  .page-home .updates__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-home .notice {
    flex: 0 0 300px;
  }

  .page-home .compare__grid {
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: center;
  }

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

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

  .page-home .reach__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .notice {
    flex: 0 0 320px;
  }

  .page-home .hero__frame {
    padding: 48px 56px 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .search__field,
  .page-home .steps__num,
  .page-home .idxcard,
  .page-home .chip,
  .page-home .reach__copy {
    transition: none;
  }
}
<<<END>>>