.page-home {
  --home-grid: rgba(109, 119, 126, 0.22);
  --home-line-soft: 1px solid rgba(29, 26, 23, 0.1);
  background: var(--paper);
  color: var(--feather);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(2rem, 6vw, 4.2rem);
  border-bottom: var(--line);
  background: linear-gradient(180deg, rgba(216, 222, 225, 0.5) 0%, rgba(244, 239, 230, 0) 64%), var(--paper);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--home-grid) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, var(--home-grid) 0 1px, transparent 1px 96px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.8rem);
}

.page-home .hero__path {
  margin: 0 0 1.1rem;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--city);
  text-transform: uppercase;
}

.page-home .hero__lead .eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--teal-deep);
}

.page-home .hero__tick {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 1px;
  background: var(--teal);
}

.page-home .hero__tick::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 1px;
  height: 9px;
  background: var(--teal);
}

.page-home .hero h1 {
  margin: 0.5rem 0 0.9rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .hero__lead .lede {
  max-width: 56ch;
  color: var(--feather);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.page-home .hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.7rem 0 0;
  padding-top: 1.1rem;
  border-top: var(--line);
}

.page-home .hero__meta-cell {
  min-width: 0;
}

.page-home .hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--city);
}

.page-home .hero__meta dd {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-home .hero__collage {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: minmax(0, 1fr);
  align-content: start;
}

.page-home .hero__figure {
  margin: 0;
  position: relative;
}

.page-home .hero__figure .figure__frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--sky);
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .hero__figure .figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(47, 124, 130, 0.22) 1px, transparent 1px);
  background-size: 25% 100%;
  pointer-events: none;
}

.page-home .hero__gate {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem 1.3rem;
  border-radius: var(--r-md);
  border: var(--line-strong);
  background: rgba(244, 239, 230, 0.75);
  color: var(--feather);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease), box-shadow var(--t-mid) var(--ease);
}

.page-home .hero__gate strong {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-home .hero__gate span:last-child {
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--city);
}

.page-home .hero__gate-num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.page-home .hero__gate:hover {
  background: var(--mist);
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-home .hero__gate:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  background: var(--mist);
}

/* ---------- 区块通用头 ---------- */
.page-home .sec-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: clamp(1.2rem, 3vw, 1.9rem);
}

.page-home .sec-head h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-home .sec-head .lede {
  max-width: 62ch;
  margin: 0;
  color: var(--feather);
}

.page-home .sec-head .eyebrow {
  color: var(--teal-deep);
}

/* ---------- 帮助栏目索引 ---------- */
.page-home .hub {
  background: var(--paper);
}

.page-home .rail-hint {
  margin: 0 0 0.7rem;
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--city);
}

.page-home .rail {
  list-style: none;
  margin: 0;
  padding: 0 0 0.9rem;
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .rail::-webkit-scrollbar {
  height: 6px;
}

.page-home .rail::-webkit-scrollbar-thumb {
  background: var(--sky);
  border-radius: var(--r-pill);
}

.page-home .rail:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 4px;
  border-radius: var(--r-md);
}

.page-home .rail__item {
  flex: 0 0 min(78vw, 300px);
  scroll-snap-align: start;
  display: flex;
}

.page-home .rail-card {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  width: 100%;
  padding: 1.15rem 1.15rem 1.3rem;
  border-radius: var(--r-md);
  background: var(--paper-deep);
  border: 1px solid rgba(29, 26, 23, 0.08);
  color: inherit;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}

.page-home .rail-card__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .rail-card__title {
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--ink);
}

.page-home .rail-card__desc {
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--city);
}

.page-home .rail-card:hover {
  background: var(--mist);
  border-color: rgba(47, 124, 130, 0.5);
  transform: translateY(-2px);
}

.page-home .rail-card:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  background: var(--mist);
}

.page-home .hub__more {
  margin-top: 0.55rem;
}

/* ---------- 会员资料 ---------- */
.page-home .vault {
  position: relative;
  overflow: hidden;
  padding: clamp(2.4rem, 6vw, 4.4rem) 0;
  background: var(--ink);
  color: var(--paper-deep);
}

.page-home .vault::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 239, 230, 0.06) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(244, 239, 230, 0.06) 0 1px, transparent 1px 76px);
  pointer-events: none;
}

.page-home .vault__grid {
  position: relative;
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-home .vault__body .eyebrow {
  color: var(--gold-light);
}

.page-home .vault h2 {
  margin: 0.5rem 0 0.9rem;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-home .vault__lead {
  margin: 0 0 1.2rem;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.78);
}

.page-home .vault__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line-light);
}

.page-home .vault__list li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.72rem 0;
  border-bottom: var(--line-light);
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(244, 239, 230, 0.74);
}

.page-home .vault__list .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-light);
}

.page-home .vault__list strong {
  display: inline-block;
  margin-right: 0.55em;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--mist);
}

.page-home .vault__note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.66);
}

.page-home .vault__note.mono {
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--gold-light);
}

.page-home .vault__cta {
  margin-top: 1.4rem;
}

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

.page-home .vault__figure .figure__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(244, 239, 230, 0.16);
}

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

/* ---------- 版本时间线 ---------- */
.page-home .timeline {
  background: var(--paper);
}

.page-home .tl__figure {
  margin: 0 0 clamp(1.4rem, 3vw, 2.2rem);
}

.page-home .tl__figure .figure__frame {
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .tl__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 340;
  object-fit: cover;
}

.page-home .tl {
  list-style: none;
  position: relative;
  margin: 0 0 1.6rem;
  padding: 0;
}

.page-home .tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.5rem;
  bottom: 0.8rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(109, 119, 126, 0.3) 100%);
}

.page-home .tl__item {
  position: relative;
  padding: 0 0 1.55rem 1.9rem;
}

.page-home .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--city);
}

.page-home .tl__item--now::before {
  border-color: var(--signal);
  box-shadow: 0 0 0 4px rgba(196, 81, 30, 0.14);
}

.page-home .tl__ver {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .tl__body h3 {
  margin: 0.1rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .tl__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--feather);
}

.page-home .tl__when {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--city);
}

.page-home .tl details {
  margin-top: 0.6rem;
  padding-top: 0.55rem;
  border-top: 1px dashed rgba(29, 26, 23, 0.2);
}

.page-home .tl summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--teal-deep);
}

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

.page-home .tl summary::before {
  content: "+ ";
}

.page-home .tl details[open] summary::before {
  content: "− ";
}

.page-home .tl summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* ---------- 城市坐标栏目 ---------- */
.page-home .city {
  padding: clamp(2.3rem, 6vw, 4.2rem) 0;
  background: linear-gradient(180deg, rgba(213, 231, 229, 0.5) 0%, rgba(244, 239, 230, 0.9) 100%);
  border-top: var(--line);
}

.page-home .city__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.8rem);
}

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

.page-home .city__figure .figure__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .city__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 11;
  object-fit: cover;
}

.page-home .city__body .eyebrow {
  color: var(--teal-deep);
}

.page-home .city h2 {
  margin: 0.5rem 0 0.85rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-home .city__lead {
  margin: 0 0 1.1rem;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--feather);
}

.page-home .city__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .city__item {
  display: grid;
  gap: 0.28rem;
  padding: 0.95rem 0;
  border-bottom: var(--home-line-soft);
}

.page-home .city__item:first-child {
  border-top: var(--home-line-soft);
}

.page-home .city__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-home .city__item p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--city);
}

.page-home .city__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.page-home .city__tags span {
  padding: 0.1rem 0.55rem;
  border-radius: var(--r-pill);
  background: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--teal-deep);
}

.page-home .city__more {
  margin-top: 1.2rem;
}

/* ---------- 联系与支持 ---------- */
.page-home .reach {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
  background: var(--paper-deep);
  border-top: var(--line);
}

.page-home .reach__grid {
  display: grid;
  gap: 1.2rem;
}

.page-home .reach__panel {
  padding: clamp(1.15rem, 3vw, 1.75rem);
  border-radius: var(--r-lg);
  background: var(--paper);
  border: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.page-home .reach__row {
  display: grid;
  gap: 0.18rem;
  padding: 0.75rem 0;
  border-bottom: var(--home-line-soft);
}

.page-home .reach__row:first-child {
  padding-top: 0;
}

.page-home .reach__label {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--city);
}

.page-home .reach__value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-home .reach__value a {
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 1px dashed rgba(47, 124, 130, 0.55);
}

.page-home .reach__value a:hover {
  border-bottom-style: solid;
}

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

.page-home .reach__note {
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--city);
}

.page-home .reach__status {
  display: block;
  min-height: 1.1rem;
  margin-top: 0.35rem;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
}

.page-home .reach__cta {
  margin-top: 1.1rem;
}

.page-home .reach__side {
  padding: clamp(1.15rem, 3vw, 1.75rem);
  border-radius: var(--r-lg);
  background: rgba(244, 239, 230, 0.7);
  border: 1px dashed rgba(29, 26, 23, 0.22);
}

.page-home .reach__side-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}

.page-home .reach__scope {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.62rem;
}

.page-home .reach__scope li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--feather);
}

.page-home .reach__scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 0.55rem;
  height: 1px;
  background: var(--teal);
}

.page-home .reach__side-note {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: var(--home-line-soft);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--city);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-home .rail__item {
    flex-basis: 286px;
  }

  .page-home .tl__item {
    padding-left: 0;
    padding-bottom: 1.7rem;
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 0.2rem 1.6rem;
    align-items: start;
  }

  .page-home .tl__item::before {
    left: 85px;
  }

  .page-home .tl::before {
    left: 91px;
  }

  .page-home .tl__ver {
    padding-top: 0.3rem;
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
  }

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

  .page-home .hero__figure {
    grid-column: 1 / -1;
  }

  .page-home .hero__gate--b {
    margin-top: 1.35rem;
  }

  .page-home .vault__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-home .city__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home .city__figure {
    position: sticky;
    top: 2rem;
  }

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

@media (min-width: 1120px) {
  .page-home .rail__item {
    flex-basis: 300px;
  }

  .page-home .rail-card__desc {
    min-height: 4.2em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__gate,
  .page-home .rail-card {
    transition: none;
  }

  .page-home .hero__gate:hover,
  .page-home .rail-card:hover {
    transform: none;
  }
}
<<<END>>>