.page-home {
  --home-gutter: clamp(16px, 3.6vw, 32px);
  --home-radius: 26px;
  background: var(--ink-800);
  color: var(--paper);
}

.page-home .container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--home-gutter);
}

.page-home .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  letter-spacing: -0.02em;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.06;
  margin: 0.35rem 0 0.9rem;
  color: var(--paper);
}

.page-home .prose {
  max-width: var(--measure);
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(242, 245, 247, 0.82);
  margin: 0 0 1.1rem;
}

.page-home .prose a,
.page-home a {
  color: var(--teal);
}

.page-home .eyebrow {
  font-family: var(--font-serif);
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0;
}

.page-home .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-block: clamp(20px, 4vw, 42px) clamp(30px, 5vw, 56px);
  background:
    radial-gradient(120% 70% at 92% -10%, rgba(138, 125, 255, 0.14), transparent 62%),
    radial-gradient(90% 60% at 4% 0%, rgba(33, 212, 180, 0.10), transparent 58%),
    var(--ink-800);
}

.page-home .breadcrumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  margin-bottom: 18px;
}

.page-home .hero__frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3.2vw, 38px);
  border-radius: var(--home-radius);
  border: 1px solid var(--line-soft);
  background: linear-gradient(158deg, rgba(15, 42, 64, 0.94), rgba(8, 24, 38, 0.9));
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.9);
  position: relative;
  overflow: hidden;
}

.page-home .hero__frame::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 18px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(to bottom, transparent, var(--gold) 18%, var(--gold) 82%, transparent);
  opacity: 0.85;
}

.page-home .hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  letter-spacing: -0.02em;
  font-size: clamp(1.9rem, 6.4vw, 3.3rem);
  line-height: 1.02;
  margin: 0.5rem 0 1rem;
  color: var(--paper);
}

.page-home .hero__lede {
  max-width: 44ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: rgba(242, 245, 247, 0.8);
  margin: 0 0 1.6rem;
}

.page-home .hero__anchor {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: stretch;
}

.page-home .hero__search {
  flex: 1 1 260px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  min-height: 52px;
  border-radius: 999px;
  background: rgba(4, 16, 26, 0.72);
  border: 1px solid var(--line-soft);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-home .hero__search:focus-within {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(33, 212, 180, 0.18);
}

.page-home .hero__search .searchbar__icon {
  color: var(--teal);
  display: inline-flex;
}

.page-home .hero__search .searchbar__input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--paper);
  font-size: 0.95rem;
  font-family: var(--font-body);
  padding-block: 12px;
}

.page-home .hero__search .searchbar__input::placeholder {
  color: var(--mist);
}

.page-home .hero__search .searchbar__hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mist);
  white-space: nowrap;
}

.page-home .hero__search .search-results {
  position: absolute;
  inset-inline: 0;
  top: calc(100% + 8px);
  z-index: 20;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--line);
  padding: 8px;
  max-height: 280px;
  overflow: auto;
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.85);
}

.page-home .hero__search .search-results[hidden] {
  display: none;
}

.page-home .hero__login {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding-inline: 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  text-decoration: none;
  color: var(--paper);
  border: 1px solid rgba(224, 75, 63, 0.65);
  background: rgba(224, 75, 63, 0.12);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .hero__login:hover,
.page-home .hero__login:focus-visible {
  background: rgba(224, 75, 63, 0.24);
  border-color: var(--cinnabar);
}

.page-home .hero__login-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(33, 212, 180, 0.55);
  animation: home-pulse 2.6s var(--ease) infinite;
}

@keyframes home-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(33, 212, 180, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(33, 212, 180, 0); }
}

.page-home .hero__quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 0;
  margin: 1.5rem 0 0;
}

.page-home .hero__quick li a {
  font-size: 0.88rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .hero__quick li a:hover,
.page-home .hero__quick li a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-home .hero__viewport {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-900);
  aspect-ratio: 16 / 11;
}

.page-home .hero__viewport img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.85);
}

.page-home .hero__scale {
  position: absolute;
  inset-block: 14px;
  inset-inline-start: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
}

.page-home .hero__scale span {
  width: 16px;
  height: 1px;
  background: var(--gold);
  opacity: 0.55;
}

.page-home .hero__scale span:nth-child(3) {
  width: 26px;
  opacity: 0.9;
}

.page-home .hero__badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(4, 16, 26, 0.78);
  border: 1px solid var(--line);
  backdrop-filter: blur(4px);
}

.page-home .hero__badge--b {
  left: auto;
  right: 14px;
  top: 14px;
  bottom: auto;
  border-color: rgba(138, 125, 255, 0.5);
}

.page-home .hero__badge-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
}

.page-home .hero__badge-txt {
  font-size: 0.72rem;
  line-height: 1.3;
  color: rgba(242, 245, 247, 0.86);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--line-soft);
}

.page-home .hero__stats > div {
  background: rgba(15, 42, 64, 0.7);
  padding: 16px 18px;
}

.page-home .hero__stats dt {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-home .hero__stats dd {
  margin: 0;
  font-size: 0.98rem;
  color: var(--paper);
}

.page-home .hero__stats .num {
  font-size: 1.18rem;
}

/* ---------- 导轨说明 ---------- */
.page-home .rail-note {
  padding-block: clamp(40px, 7vw, 76px);
  border-top: 1px solid var(--line);
  background: var(--ink-900);
}

.page-home .rail-note__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-home .rail-note__fig {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
}

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

.page-home .rail-list {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .rail-list__item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.94rem;
}

.page-home .rail-list__idx {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--mist);
}

.page-home .rail-list__name {
  color: rgba(242, 245, 247, 0.9);
}

.page-home .rail-list__tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--mist);
  border: 1px solid var(--line-soft);
}

.page-home .rail-list__item--focus {
  border-left: 3px solid var(--cinnabar);
  padding-left: 10px;
  background: linear-gradient(90deg, var(--cinnabar-soft), transparent 70%);
}

.page-home .rail-list__tag--hot {
  color: var(--cinnabar);
  border-color: rgba(224, 75, 63, 0.55);
}

.page-home .rail-note__foot {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
}

.page-home .rail-note__foot a {
  color: var(--teal);
}

/* ---------- 三步路径 ---------- */
.page-home .path {
  padding-block: clamp(40px, 7vw, 76px);
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}

.page-home .path__sub {
  color: var(--mist);
  font-size: 0.95rem;
  margin: 0 0 1.8rem;
  max-width: 52ch;
}

.page-home .path__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .path__tabs {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(4, 16, 26, 0.7);
  border: 1px solid var(--line-soft);
  margin-bottom: 1.4rem;
}

.page-home .path__tab {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 9px 18px;
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-home .path__tab[aria-selected="true"] {
  background: var(--cinnabar);
  color: var(--paper);
}

.page-home .path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-home .path__list[hidden] {
  display: none;
}

.page-home .path__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(15, 42, 64, 0.66);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
}

.page-home .path__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1;
  color: rgba(216, 179, 106, 0.8);
}

.page-home .path__item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .path__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .path__fig {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
}

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

.page-home .path__fig figcaption {
  padding: 12px 16px;
  font-size: 0.78rem;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 版本速览 ---------- */
.page-home .version {
  padding-block: clamp(40px, 7vw, 76px);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800));
  border-top: 1px solid var(--line);
}

.page-home .version__head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-home .version__note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--gold);
  max-width: 46ch;
}

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

.page-home .version__card {
  padding: 20px;
  border-radius: 20px;
  background: rgba(15, 42, 64, 0.68);
  border: 1px solid var(--line-soft);
}

.page-home .version__card--alt {
  border-color: rgba(138, 125, 255, 0.35);
  background: linear-gradient(160deg, rgba(138, 125, 255, 0.12), rgba(15, 42, 64, 0.7));
}

.page-home .version__card-head {
  margin-bottom: 14px;
}

.page-home .version__card-head h3 {
  margin: 10px 0 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .tag--violet {
  color: var(--violet);
  border-color: rgba(138, 125, 255, 0.5);
}

.page-home .tag--teal {
  color: var(--teal);
  border-color: rgba(33, 212, 180, 0.5);
}

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

.page-home .version__rows > div {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 0.88rem;
}

.page-home .version__rows dt {
  color: var(--mist);
}

.page-home .version__rows dd {
  margin: 0;
  color: rgba(242, 245, 247, 0.9);
}

.page-home .version__matrix {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-900);
}

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

.page-home .version__cta {
  margin: 22px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 收藏回访 ---------- */
.page-home .keep {
  padding-block: clamp(40px, 7vw, 76px);
  border-top: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .keep__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-home .keep__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.4rem;
}

.page-home .keep__panel {
  padding: 22px;
  border-radius: 22px;
  background: rgba(4, 16, 26, 0.66);
  border: 1px solid var(--line);
}

.page-home .keep__panel-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-weight: 500;
}

.page-home .keep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .keep__list li a {
  display: grid;
  gap: 4px;
  padding: 12px 12px 12px 14px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--paper);
  border-left: 2px solid transparent;
  font-size: 0.94rem;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .keep__list li a:hover,
.page-home .keep__list li a:focus-visible {
  background: rgba(33, 212, 180, 0.08);
  border-left-color: var(--teal);
}

.page-home .keep__list li a span {
  font-size: 0.78rem;
  color: var(--mist);
}

/* ---------- 服务支持 ---------- */
.page-home .support {
  padding-block: clamp(40px, 7vw, 76px);
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-home .support__lede {
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: rgba(242, 245, 247, 0.78);
  margin: 0 0 26px;
}

.page-home .support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border-radius: 20px;
  overflow: hidden;
}

.page-home .support__item {
  background: var(--ink-800);
  padding: 20px;
}

.page-home .support__k {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}

.page-home .support__item h3 {
  margin: 6px 0 8px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .support__item p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .support__recent {
  margin-top: 28px;
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(15, 42, 64, 0.55);
}

.page-home .support__recent-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-weight: 500;
}

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

.page-home .support__feed li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 0.9rem;
}

.page-home .support__feed li a {
  flex: 1 1 auto;
  color: rgba(242, 245, 247, 0.9);
  text-decoration: none;
}

.page-home .support__feed li a:hover,
.page-home .support__feed li a:focus-visible {
  color: var(--teal);
}

.page-home .support__feed time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mist);
  white-space: nowrap;
}

.page-home .support__feed-foot {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-home .closing {
  padding-block: clamp(38px, 6vw, 68px);
  background:
    radial-gradient(80% 120% at 0% 100%, rgba(224, 75, 63, 0.18), transparent 60%),
    var(--ink-800);
  border-top: 1px solid var(--line);
}

.page-home .closing__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-home .closing__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  letter-spacing: -0.02em;
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.12;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-home .closing__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(242, 245, 247, 0.75);
  max-width: 52ch;
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .hero__frame {
    grid-template-columns: 1.15fr 0.95fr;
    align-items: center;
  }

  .page-home .hero__col--visual {
    align-self: stretch;
  }

  .page-home .hero__viewport {
    height: 100%;
    min-height: 340px;
    aspect-ratio: auto;
  }

  .page-home .rail-note__inner {
    grid-template-columns: 0.62fr 1fr;
    align-items: start;
  }

  .page-home .path__grid {
    grid-template-columns: 1.05fr 0.85fr;
    align-items: start;
  }

  .page-home .version__head {
    grid-template-columns: 1fr 0.85fr;
    align-items: end;
    gap: 24px;
  }

  .page-home .version__grid {
    grid-template-columns: 1fr 0.86fr 1fr;
    align-items: stretch;
  }

  .page-home .keep__inner {
    grid-template-columns: 1.3fr 0.85fr;
    align-items: start;
  }

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

  .page-home .closing__inner {
    grid-template-columns: 1fr auto;
    gap: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__login-dot {
    animation: none;
  }

  .page-home .hero__search,
  .page-home .hero__login,
  .page-home .keep__list li a,
  .page-home .path__tab {
    transition: none;
  }
}
<<<END>>>