.page-home {
  --home-gap: 28px;
  --home-pad: 56px;
  --home-rail-top: calc(var(--nav-h) + 28px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.9;
}

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

.page-home figure {
  margin: 0;
}

.page-home .cover__figure img,
.page-home .band img,
.page-home .catalog__figure img,
.page-home .quota__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home a {
  color: var(--teal);
  text-decoration: none;
}

.page-home a:hover {
  color: var(--gold-deep);
}

.page-home a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 封面 ---------- */
.page-home .cover {
  padding-block: 28px 40px;
}

.page-home .cover__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .cover__eyebrow {
  margin: 0 0 14px;
  color: var(--gold-deep);
}

.page-home .cover__title {
  margin: 0;
  font-size: clamp(2rem, 7.4vw, 4.2rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.14;
  color: var(--ink);
}

.page-home .cover__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: var(--fs-md);
  line-height: 1.95;
  color: var(--ink-mid);
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .cover__actions .btn {
  flex: 0 1 auto;
}

.page-home .cover__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-sm);
}

.page-home .cover__quick a {
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-home .cover__quick a:hover {
  border-bottom-color: var(--gold);
}

.page-home .cover__stage {
  display: grid;
  gap: 16px;
}

.page-home .media-frame--16x9 {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--line-soft);
  background: var(--mist);
}

.page-home .media-frame--4x3 {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--line-soft);
  background: var(--mist);
}

.page-home .media-frame__caption {
  display: block;
  padding: 8px 2px 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

/* 状态摘要条 */
.page-home .statusbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
}

.page-home .statusbar__ring {
  position: relative;
  flex: 0 0 auto;
  width: 66px;
  height: 66px;
}

.page-home .statusbar__ring svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-home .statusbar__ring-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
}

.page-home .statusbar__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .statusbar__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-home .statusbar__num {
  font-size: 1.0625rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  line-height: 1.2;
}

.page-home .statusbar__label {
  font-size: var(--fs-xs);
  color: var(--ink-mid);
  letter-spacing: 0.06em;
}

/* ---------- 过渡通栏 ---------- */
.page-home .band {
  margin: 0;
  border-block: 1px solid var(--line-soft);
}

.page-home .band img {
  width: 100%;
  aspect-ratio: 1400 / 520;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-home .chapter {
  padding-block: var(--home-pad);
}

.page-home .chapter--tint {
  background: linear-gradient(180deg, var(--mist), var(--paper));
}

.page-home .chapter--dark {
  background: var(--ink);
  color: var(--paper);
}

.page-home .chapter--dark .chapter__title {
  color: var(--paper);
}

.page-home .chapter__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .chapter__rail {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 11vw, 3.6rem);
  line-height: 0.86;
  letter-spacing: -0.02em;
  background-image: linear-gradient(160deg, var(--mint) 10%, var(--gold) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  transition: background-image 220ms ease-out;
}

.page-home .chapter:hover .chapter__num,
.page-home .chapter:target .chapter__num {
  background-image: linear-gradient(160deg, var(--gold-soft) 8%, var(--gold-deep) 96%);
}

.page-home .chapter__title {
  margin: 0;
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.34;
  color: var(--ink);
}

.page-home .chapter__note {
  margin: 0;
  max-width: 30em;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--ink-mid);
}

.page-home .chapter--dark .chapter__note {
  color: var(--mint);
}

.page-home .chapter__side {
  display: none;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--gold-deep);
}

.page-home .chapter--dark .chapter__side {
  color: var(--gold);
}

.page-home .chapter__tail {
  margin: 20px 0 0;
  font-size: var(--fs-sm);
}

.page-home .chapter__tail-link {
  display: inline-block;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-home .chapter__tail-link:hover {
  border-bottom-color: var(--gold);
}

.page-home .chapter__tail-link + .chapter__tail-link {
  margin-left: 20px;
}

/* ---------- 01 目录 ---------- */
.page-home .catalog {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .catalog__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
  transition: transform 220ms ease-out, border-color 220ms ease-out, box-shadow 220ms ease-out;
}

.page-home .catalog__item:hover,
.page-home .catalog__item:focus-within {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-2);
}

.page-home .catalog__code {
  grid-row: 1 / span 2;
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  color: var(--gold-deep);
  padding-top: 2px;
}

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

.page-home .catalog__name {
  margin: 0;
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .catalog__desc {
  margin: 6px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink-mid);
}

.page-home .catalog__sub {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .catalog__sub li {
  padding: 1px 9px;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--ink-mid);
  background: var(--mist);
  border-radius: 999px;
  transition: background-color 220ms ease-out, color 220ms ease-out;
}

.page-home .catalog__item:hover .catalog__sub li {
  background: var(--mint);
  color: var(--ink);
}

.page-home .catalog__link {
  grid-column: 2;
  justify-self: start;
  font-size: var(--fs-sm);
  color: var(--teal);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

.page-home .catalog__link:hover {
  color: var(--gold-deep);
  border-bottom-color: var(--gold);
}

.page-home .catalog__figure {
  margin-top: 20px;
}

/* ---------- 02 三步 ---------- */
.page-home .steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 14px;
  padding: 18px 16px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
}

.page-home .steps__n {
  grid-row: 1 / span 2;
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--gold-deep);
}

.page-home .steps__title {
  margin: 0;
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--ink);
}

.page-home .steps__text {
  margin: 4px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--ink-mid);
}

/* ---------- 03 额度 ---------- */
.page-home .quota__lede {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--ink-mid);
}

.page-home .quota__fields {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .quota__field {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .quota__key {
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-home .quota__val {
  font-size: var(--fs-sm);
  color: var(--ink);
  line-height: 1.85;
}

.page-home .quota__flag {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  margin-top: 22px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--amber);
  border-radius: 4px;
}

.page-home .quota__dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(224, 138, 60, 0.16);
}

.page-home .quota__flag-text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--ink-mid);
}

.page-home .quota__figure {
  margin-top: 24px;
}

/* ---------- 04 文档 ---------- */
.page-home .docs__meter {
  margin-bottom: 20px;
}

.page-home .docs__bar {
  height: 4px;
  border-radius: 999px;
  background: var(--mint);
  overflow: hidden;
}

.page-home .docs__bar-fill {
  display: block;
  width: 86%;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-soft), var(--gold));
}

.page-home .docs__meter-text {
  margin: 10px 0 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--ink-mid);
}

.page-home .docs__meter-num {
  color: var(--gold-deep);
  font-size: var(--fs-sm);
}

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

.page-home .docs__cluster {
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
  transition: transform 220ms ease-out, border-color 220ms ease-out;
}

.page-home .docs__cluster:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.page-home .docs__name {
  margin: 0;
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--ink);
}

.page-home .docs__text {
  margin: 6px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink-mid);
}

.page-home .docs__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

/* ---------- 05 本地 ---------- */
.page-home .local__lede {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--ink-mid);
}

.page-home .local__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  overflow: hidden;
}

.page-home .local__fact {
  padding: 14px 16px;
  background: var(--card);
}

.page-home .local__fact-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--ink-mid);
}

.page-home .local__fact-value {
  margin: 4px 0 0;
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--ink);
}

.page-home .local__unit {
  margin-left: 4px;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  color: var(--gold-deep);
}

.page-home .local__extra {
  margin: 20px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.95;
  color: var(--ink-mid);
}

.page-home .local__actions {
  margin: 20px 0 0;
  font-size: var(--fs-sm);
}

/* ---------- 06 提交 ---------- */
.page-home .submit__steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .submit__step {
  padding: 16px;
  background: var(--ink-mid);
  border: 1px solid var(--line-invert);
  border-radius: 4px;
}

.page-home .submit__n {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .submit__title {
  margin: 6px 0 0;
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--paper);
}

.page-home .submit__text {
  margin: 6px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--mint);
}

.page-home .submit__sla {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-home .submit__sla-item {
  margin: 0;
  padding: 12px 14px;
  font-size: var(--fs-sm);
  color: var(--mint);
  border-left: 1px solid var(--gold);
}

.page-home .submit__sla-num {
  display: block;
  margin-bottom: 2px;
  font-size: var(--fs-md);
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-home .submit__contact {
  display: grid;
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-invert);
}

.page-home .submit__contact-line {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--mint);
}

.page-home .submit__contact-line a {
  color: var(--gold);
  border-bottom: 1px solid rgba(201, 169, 97, 0.45);
}

.page-home .submit__contact-line a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-home .submit__contact .btn {
  justify-self: start;
}

/* ---------- 桌面 ---------- */
@media (min-width: 780px) {
  .page-home {
    --home-gap: 40px;
    --home-pad: 84px;
  }

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

  .page-home .statusbar__ring {
    width: 78px;
    height: 78px;
  }

  .page-home .chapter__side {
    display: block;
    writing-mode: vertical-rl;
    margin-top: 16px;
    padding-left: 4px;
  }

  .page-home .chapter__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 48px;
  }

  .page-home .chapter__rail {
    position: sticky;
    top: var(--home-rail-top);
    align-self: start;
    padding-right: 8px;
    border-right: 1px solid var(--line-soft);
  }

  .page-home .chapter--dark .chapter__rail {
    border-right-color: var(--line-invert);
  }

  .page-home .catalog__item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    align-items: start;
    padding: 18px 20px;
  }

  .page-home .catalog__code {
    grid-row: 1;
  }

  .page-home .catalog__link {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    margin-top: 2px;
  }

  .page-home .catalog__item:nth-child(odd) {
    transform: translateX(-18px);
  }

  .page-home .catalog__item:nth-child(odd):hover,
  .page-home .catalog__item:nth-child(odd):focus-within {
    transform: translate(-18px, -2px);
  }

  .page-home .docs__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .docs__cluster--wide {
    grid-column: span 3;
  }

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

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

  .page-home .submit__sla {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-home .cover {
    padding-block: 44px 64px;
  }

  .page-home .cover__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .cover__stage {
    gap: 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .catalog__item,
  .page-home .docs__cluster,
  .page-home .chapter__num,
  .page-home .catalog__sub li {
    transition: none;
  }

  .page-home .catalog__item:hover,
  .page-home .catalog__item:focus-within,
  .page-home .docs__cluster:hover {
    transform: none;
  }

  .page-home .catalog__item:nth-child(odd),
  .page-home .catalog__item:nth-child(odd):hover,
  .page-home .catalog__item:nth-child(odd):focus-within {
    transform: translateX(-18px);
  }
}
<<<END>>>