.page-home {
  --home-gap: clamp(14px, 2.2vw, 26px);
  --home-pad: clamp(20px, 3vw, 40px);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-home .num {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-top: clamp(14px, 2vw, 22px);
  padding-bottom: 4px;
  font-size: var(--t--1);
  color: var(--slate);
}

.page-home .home-context .num {
  color: var(--ink-2);
  font-weight: 600;
}

.page-home .home-context__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 200, .18);
}

.page-home .home-context__sep {
  width: 1px;
  height: 12px;
  background: var(--line-strong);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  padding-block: clamp(16px, 2.4vw, 28px) clamp(44px, 6vw, 88px);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .home-version {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 78%);
  color: var(--paper);
  padding: var(--home-pad);
  min-height: clamp(210px, 42vw, 300px);
  display: flex;
  align-items: flex-end;
}

.page-home .home-version__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  z-index: -1;
}

.page-home .home-version__inner {
  position: relative;
}

.page-home .home-version__cap {
  margin: 0 0 6px;
  font-size: var(--t--1);
  letter-spacing: .22em;
  color: var(--ice);
}

.page-home .home-version__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(76px, 15vw, 168px);
  line-height: .82;
  letter-spacing: -.045em;
  color: var(--paper);
}

.page-home .home-version__v {
  font-size: .3em;
  color: var(--cyan);
  letter-spacing: 0;
  margin-right: .06em;
}

.page-home .home-version__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding: 6px 15px;
  border-radius: var(--pill);
  border: 1px solid rgba(53, 224, 200, .55);
  background: rgba(53, 224, 200, .12);
  color: var(--cyan);
  font-size: var(--t--1);
  line-height: 1.5;
}

.page-home .home-version__ping {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

.page-home .home-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-2);
  aspect-ratio: 4 / 5;
}

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

.page-home .home-hero__lede h1 {
  margin: 0 0 14px;
  font-size: clamp(26px, 5.4vw, 42px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ink);
  text-wrap: balance;
}

.page-home .home-hero__text {
  margin: 0 0 22px;
  font-size: var(--t-0);
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 46ch;
}

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

.page-home .home-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.page-home .home-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: 10px;
  border-top: 1px solid var(--line-strong);
}

.page-home .home-hero__facts .num {
  font-size: clamp(17px, 2.1vw, 24px);
  color: var(--ink);
  line-height: 1.2;
}

.page-home .home-hero__facts span:last-child {
  font-size: var(--t--1);
  color: var(--slate);
  line-height: 1.4;
}

/* ---------- 通用章节头 ---------- */
.page-home .home-sec__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-home .home-sec__head .section__title {
  margin: 6px 0 0;
  font-weight: 300;
  letter-spacing: -.02em;
}

.page-home .home-sec__head--split {
  display: grid;
  gap: 18px;
}

/* ---------- 三层入口 ---------- */
.page-home .home-layers__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .layer {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: transform .24s ease, border-color .24s ease, background-color .24s ease;
}

.page-home .layer:hover,
.page-home .layer:focus-visible {
  transform: translateY(-4px);
}

.page-home .layer__num {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1;
  opacity: .5;
}

.page-home .layer__title {
  margin: 0;
  font-size: var(--t-1);
  font-weight: 500;
  letter-spacing: -.01em;
}

.page-home .layer__text {
  margin: 0;
  font-size: var(--t-0);
  line-height: 1.7;
}

.page-home .layer__go {
  margin-top: auto;
  padding-top: 14px;
  font-size: var(--t--1);
  letter-spacing: .04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-home .layer__go::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-home .layer--a {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper);
}

.page-home .layer--a .layer__num {
  color: var(--cyan);
  opacity: .85;
}

.page-home .layer--a .layer__text {
  color: var(--ice);
}

.page-home .layer--a .layer__go {
  color: var(--cyan);
}

.page-home .layer--b {
  background: var(--ripple);
  color: var(--ink);
  border: 1px solid var(--line);
}

.page-home .layer--b .layer__num {
  color: var(--ink-2);
}

.page-home .layer--b .layer__text {
  color: var(--ink-2);
}

.page-home .layer--b .layer__go {
  color: var(--ink-2);
  border-top: 1px solid var(--line-strong);
}

.page-home .layer--c {
  background: transparent;
  border: 1px solid var(--line-strong);
}

.page-home .layer--c .layer__num {
  color: var(--orange);
  opacity: 1;
}

.page-home .layer--c .layer__text {
  color: var(--ink-2);
}

.page-home .layer--c .layer__go {
  color: var(--ink-2);
  border-top: 1px solid var(--line);
}

/* ---------- 两步路径 ---------- */
.page-home .home-steps {
  padding-block: clamp(30px, 4.4vw, 56px);
}

.page-home .home-steps__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  background: var(--ripple);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3.6vw, 46px);
}

.page-home .home-steps__title {
  margin: 6px 0 12px;
  font-size: var(--t-2);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-home .home-steps__text {
  margin: 0 0 20px;
  font-size: var(--t-0);
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 42ch;
}

.page-home .home-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-home .home-steps__list::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 10px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(53, 224, 200, 0) 100%);
}

.page-home .step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}

.page-home .step__num {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  font-size: var(--t--1);
  font-weight: 600;
}

.page-home .step__body h3 {
  margin: 10px 0 6px;
  font-size: var(--t-1);
  font-weight: 500;
}

.page-home .step__body p {
  margin: 0;
  font-size: var(--t-0);
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 栏目速览 ---------- */
.page-home .home-index__note {
  margin: 0;
  font-size: var(--t--1);
  line-height: 1.7;
  color: var(--slate);
  max-width: 40ch;
}

.page-home .home-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .home-index__item {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  background: var(--paper);
  text-decoration: none;
  color: inherit;
  transition: background-color .2s ease;
}

.page-home .home-index__item:hover,
.page-home .home-index__item:focus-visible {
  background: var(--ripple);
}

.page-home .home-index__num {
  font-size: var(--t--1);
  color: var(--slate);
}

.page-home .home-index__name {
  font-size: var(--t-1);
  font-weight: 500;
  letter-spacing: -.01em;
}

.page-home .home-index__path {
  font-family: var(--font-mono);
  font-size: var(--t--1);
  color: var(--ink-2);
  opacity: .72;
  word-break: break-all;
}

.page-home .home-index__desc {
  font-size: var(--t--1);
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 波纹过渡 ---------- */
.page-home .home-wave {
  margin: 0 auto;
  max-width: 1600px;
  padding-inline: clamp(0px, 2vw, 24px);
}

.page-home .home-wave img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  opacity: .9;
}

/* ---------- 变更摘要 ---------- */
.page-home .home-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--t--1);
  line-height: 1.45;
  color: var(--slate);
}

.page-home .home-legend .chip {
  flex: none;
}

.page-home .chip--maint {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: var(--ice);
  border: 1px solid rgba(10, 27, 46, .16);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--t--1);
  line-height: 1.5;
  letter-spacing: .02em;
}

.page-home .home-log__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-home .home-log__filter .filter__btn {
  padding: 7px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-size: var(--t--1);
  line-height: 1.5;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-home .home-log__filter .filter__btn:hover {
  border-color: var(--ink-2);
}

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

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

.page-home .home-log__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 4px;
  background: var(--paper);
}

.page-home .home-log__list p {
  margin: 0;
  font-size: var(--t-0);
  line-height: 1.7;
  color: var(--ink-2);
}

.page-home .home-log__more {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 反馈入口 ---------- */
.page-home .home-contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(165deg, var(--ink) 0%, var(--ink-2) 88%);
  color: var(--paper);
}

.page-home .home-contact__figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.page-home .home-contact__body {
  padding: clamp(24px, 3.4vw, 44px);
}

.page-home .eyebrow--onDark {
  color: var(--cyan);
}

.page-home .home-contact__body h2 {
  margin: 8px 0 14px;
  font-size: clamp(24px, 3.8vw, 36px);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .home-contact__text {
  margin: 0 0 22px;
  font-size: var(--t-0);
  line-height: 1.75;
  color: var(--ice);
  max-width: 46ch;
}

.page-home .home-contact__meta {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-contact__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-inv);
}

.page-home .home-contact__k {
  min-width: 76px;
  font-size: var(--t--1);
  color: var(--slate);
  color: rgba(191, 215, 232, .72);
}

.page-home .home-contact__v {
  font-family: var(--font-mono);
  font-size: var(--t--1);
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .home-sec__head--split {
    grid-template-columns: 1.4fr .9fr;
    align-items: end;
    gap: clamp(20px, 3vw, 48px);
  }

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

  .page-home .home-log__list li {
    grid-template-columns: 116px 1fr;
    align-items: start;
    gap: 18px;
    padding: 16px 0;
  }

  .page-home .home-log__tag {
    padding-top: 2px;
  }

  .page-home .step {
    grid-template-columns: 56px 1fr;
    gap: 22px;
  }

  .page-home .step__num {
    width: 56px;
    height: 56px;
    font-size: var(--t-0);
  }

  .page-home .home-steps__list::before {
    left: 27px;
  }

  .page-home .home-hero__facts {
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    align-items: stretch;
  }

  .page-home .home-version {
    grid-column: 1 / span 7;
    grid-row: 1;
  }

  .page-home .home-hero__figure {
    grid-column: 8 / span 5;
    grid-row: 1 / span 2;
    aspect-ratio: auto;
    min-height: 100%;
  }

  .page-home .home-hero__lede {
    grid-column: 1 / span 5;
    grid-row: 2;
    align-self: start;
  }

  .page-home .home-hero__facts {
    grid-column: 6 / span 2;
    grid-row: 2;
    grid-template-columns: 1fr;
    align-self: end;
    gap: 10px;
  }

  .page-home .home-layers__grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-home .layer--a {
    grid-column: span 7;
  }

  .page-home .layer--b {
    grid-column: span 5;
  }

  .page-home .layer--c {
    grid-column: span 12;
  }

  .page-home .layer--c {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 24px;
  }

  .page-home .layer--c .layer__num {
    font-size: clamp(34px, 3.4vw, 48px);
  }

  .page-home .layer--c .layer__title {
    flex: 1 1 200px;
  }

  .page-home .layer--c .layer__text {
    flex: 1 1 320px;
  }

  .page-home .layer--c .layer__go {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }

  .page-home .home-steps__inner {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .home-index__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .home-contact__inner {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .home-contact__figure {
    aspect-ratio: auto;
    min-height: 100%;
  }
}

@media (min-width: 1180px) {
  .page-home .home-hero__lede {
    grid-column: 1 / span 4;
  }

  .page-home .home-hero__facts {
    grid-column: 5 / span 3;
  }

  .page-home .home-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    align-self: end;
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .layer,
  .page-home .home-index__item,
  .page-home .filter__btn {
    transition: none;
  }

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