.page-home{
  --home-frame: rgba(159,178,202,.22);
  --home-tint: rgba(16,40,72,.34);
  background: var(--c-abyss);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero{
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + 64px) 0 60px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 80% at 86% 4%, rgba(138,107,255,.22), transparent 58%),
    radial-gradient(80% 60% at 4% 98%, rgba(255,122,61,.10), transparent 62%),
    var(--c-abyss);
}
.page-home .home-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(159,178,202,.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(159,178,202,.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 100% at 62% 18%, #000 18%, transparent 76%);
  mask-image: radial-gradient(120% 100% at 62% 18%, #000 18%, transparent 76%);
  pointer-events: none;
  z-index: 0;
}
.page-home .hero-layout{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-crumbs{
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-dim);
}
.page-home .rail-caption{
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--c-dim);
  text-transform: uppercase;
}
.page-home .hero-rail{
  border-left: 1px solid var(--line-strong);
  padding-left: 16px;
  min-width: 0;
}
.page-home .rail-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-home .rail-list::-webkit-scrollbar{ display: none; }
.page-home .rail-list a{
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--c-slate);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.page-home .rail-list a:hover,
.page-home .rail-list a:focus-visible{
  color: var(--c-fog);
  border-color: var(--line-strong);
  background: rgba(27,58,94,.45);
}
.page-home .rail-num{
  font-size: 11px;
  color: var(--c-nebula-soft);
}

.page-home .eyebrow{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-nebula-soft);
}
.page-home .hero-main h1{
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--c-fog);
}
.page-home .hero-lead{
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-slate);
}
.page-home .hero-actions{
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home .hero-visual{
  position: relative;
  margin: 38px 0 0;
  padding: 10px;
  border: 1px solid var(--home-frame);
  background: var(--c-deep);
}
.page-home .hero-visual::before,
.page-home .hero-visual::after{
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--c-signal);
  opacity: .75;
}
.page-home .hero-visual::before{
  top: -1px; left: -1px;
  border-right: 0; border-bottom: 0;
}
.page-home .hero-visual::after{
  bottom: -1px; right: -1px;
  border-left: 0; border-top: 0;
}
.page-home .hero-visual img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
}
.page-home .hero-visual figcaption{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  font-size: 11px;
  color: var(--c-dim);
}

/* ---------- 区块骨架 ---------- */
.page-home .home-section{
  padding: 62px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .home-section--tint{
  background: linear-gradient(180deg, var(--home-tint), transparent 78%);
}
.page-home .home-head{
  max-width: 720px;
  margin-bottom: 34px;
}
.page-home .home-head h2{
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(25px, 4.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--c-fog);
}
.page-home .home-lead{
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-slate);
}
.page-home .inline-link{
  color: var(--c-nebula-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(183,166,255,.45);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-home .inline-link:hover{
  color: var(--c-signal-soft);
  border-color: var(--c-signal-soft);
}

/* ---------- 四个方向 ---------- */
.page-home .coord-grid{
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}
.page-home .coord-card{
  position: relative;
  display: block;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--c-deep);
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.page-home .coord-card::after{
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 26px; height: 26px;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  opacity: .6;
}
.page-home .coord-card:hover,
.page-home .coord-card:focus-visible{
  transform: translateY(-3px);
  border-color: var(--c-nebula);
  background: var(--c-harbor);
}
.page-home .coord-no{
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-signal);
}
.page-home .coord-card h3{
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-fog);
}
.page-home .coord-card p{
  margin: 8px 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-slate);
}
.page-home .coord-note{
  display: block;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-signal-soft);
}
@media (hover: hover) and (min-width: 720px){
  .page-home .coord-note{
    opacity: 0;
    transform: translateY(4px);
    transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  }
  .page-home .coord-card:hover .coord-note,
  .page-home .coord-card:focus-visible .coord-note{
    opacity: 1;
    transform: none;
  }
}

/* ---------- 三步走 ---------- */
.page-home .steps-layout{
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.page-home .step{
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--c-deep);
  margin-bottom: 10px;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.page-home .step[open]{
  border-color: var(--line-strong);
  background: var(--c-harbor);
}
.page-home .step summary{
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-fog);
}
.page-home .step summary::-webkit-details-marker{ display: none; }
.page-home .step-no{
  flex: none;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-signal);
}
.page-home .step-chev{
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--c-slate);
  border-bottom: 1px solid var(--c-slate);
  transform: rotate(45deg);
  transition: transform var(--dur-fast) var(--ease);
}
.page-home .step[open] .step-chev{ transform: rotate(-135deg); }
.page-home .step-body{
  padding: 0 18px 18px;
  color: var(--c-slate);
  font-size: 15px;
  line-height: 1.85;
}
.page-home .step-body p{ margin: 0 0 10px; }
.page-home .step-body p:last-child{ margin-bottom: 0; }
.page-home .step-body .mono{
  font-size: 12px;
  color: var(--c-nebula-soft);
  letter-spacing: .04em;
}
.page-home .steps-tail{
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-dim);
}
.page-home .steps-figure{
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--c-deep);
}
.page-home .steps-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .92;
}
.page-home .steps-figure figcaption{
  margin-top: 10px;
  font-size: 11px;
  color: var(--c-dim);
}

/* ---------- 费用速览 ---------- */
.page-home .fee-grid{
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}
.page-home .fee-card{
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(16,40,72,.92), rgba(10,26,48,.92));
}
.page-home .fee-tier{
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-nebula-soft);
}
.page-home .fee-price{
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 14px 0 0;
}
.page-home .fee-num{
  font-size: 42px;
  line-height: 1;
  font-weight: 700;
  color: var(--c-signal);
}
.page-home .fee-unit{
  font-size: 13px;
  color: var(--c-slate);
}
.page-home .fee-once{
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--c-slate);
}
.page-home .fee-once .mono{
  color: var(--c-fog);
  letter-spacing: .02em;
}
.page-home .fee-desc{
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-dim);
}
.page-home .fee-foot{
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}
.page-home .fee-note{
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-dim);
  max-width: 56ch;
}

/* ---------- 版本说明 ---------- */
.page-home .version-layout{
  display: grid;
  gap: 26px;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.page-home .version-panel{
  border: 1px solid var(--line);
  background: var(--c-deep);
  padding: 22px 20px;
}
.page-home .version-list{
  margin: 0;
  padding: 0;
}
.page-home .version-row{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .version-row:first-child{ padding-top: 0; }
.page-home .version-row:last-child{ border-bottom: 0; padding-bottom: 0; }
.page-home .version-row dt{
  flex: none;
  min-width: 88px;
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-dim);
}
.page-home .version-row dd{
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.page-home .version-num{
  font-size: 21px;
  color: var(--c-fog);
  letter-spacing: .01em;
}
.page-home .version-tag{
  font-size: 13px;
  color: var(--c-slate);
}
.page-home .version-note{
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-slate);
}
.page-home .version-figure{
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--c-deep);
}
.page-home .version-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .92;
}
.page-home .version-figure figcaption{
  margin-top: 10px;
  font-size: 11px;
  color: var(--c-dim);
}

/* ---------- 会员中心 ---------- */
.page-home .member-grid{
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}
.page-home .member-item{
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-nebula);
  background: rgba(10,26,48,.7);
}
.page-home .member-no{
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-nebula-soft);
}
.page-home .member-item h3{
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-fog);
}
.page-home .member-item p{
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-slate);
}
.page-home .member-foot{
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-dim);
  max-width: 74ch;
}

/* ---------- 服务规模 ---------- */
.page-home .service-band{
  padding: 34px 0;
  background: var(--c-deep);
  border-bottom: 1px solid var(--line);
}
.page-home .band-grid{
  display: grid;
  gap: 22px 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.page-home .band-item{
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-home .band-num{
  font-size: 24px;
  font-weight: 700;
  color: var(--c-signal);
  letter-spacing: .01em;
}
.page-home .band-label{
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 服务支持 ---------- */
.page-home .support-layout{
  display: grid;
  gap: 26px;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.page-home .support-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-home .support-item{
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-home .support-label{
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-dim);
}
.page-home .support-value{
  font-size: 17px;
  font-weight: 600;
  color: var(--c-fog);
  word-break: break-word;
}
.page-home .support-desc{
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-slate);
}
.page-home .support-side{
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  background: var(--c-harbor);
}
.page-home .support-side-title{
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--c-fog);
}
.page-home .support-side-text{
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-slate);
}
.page-home .support-actions{
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home .support-meta{
  margin: 18px 0 0;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px){
  .page-home .coord-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .fee-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .member-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .band-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 900px){
  .page-home .home-hero{ padding: calc(var(--header-h) + 88px) 0 76px; }
  .page-home .hero-layout{
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
  .page-home .hero-rail{
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-left: 20px;
  }
  .page-home .rail-list{
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }
  .page-home .hero-lead{ font-size: 17px; }
  .page-home .home-section{ padding: 76px 0; }
  .page-home .steps-layout{ grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 36px; }
  .page-home .version-layout{ grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 34px; }
  .page-home .support-layout{ grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 40px; }
  .page-home .support-item{ grid-template-columns: 140px minmax(0, 1fr); align-items: baseline; }
  .page-home .support-desc{ grid-column: 2; }
}

@media (min-width: 1080px){
  .page-home .coord-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-home .fee-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-home .hero-main h1{ max-width: 16ch; }
}

@media (prefers-reduced-motion: reduce){
  .page-home .coord-card,
  .page-home .rail-list a,
  .page-home .step-chev,
  .page-home .inline-link{
    transition: none;
  }
  .page-home .coord-card:hover{ transform: none; }
}
<<<END>>>