.page-home {
  --ph-sect: clamp(56px, 8vw, 104px);
  --ph-gap: clamp(16px, 2.6vw, 32px);
  color: var(--stardust);
}

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

.page-home .hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 52px);
  padding-block: clamp(40px, 7vw, 88px);
}

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

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ice);
  margin: 0;
}

.page-home .hero__title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(38px, 7.4vw, 90px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: clamp(14px, 2vw, 22px) 0 0;
  color: var(--stardust);
}

.page-home .hero__title em {
  font-style: normal;
  background-image: linear-gradient(102deg, var(--galaxy) 0%, var(--nebula) 58%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-home .hero__lead {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 33em;
  font-size: clamp(15.5px, 1.05vw, 17.5px);
  line-height: 1.92;
  color: var(--stardust);
  opacity: 0.88;
}

.page-home .hero__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  margin: 20px 0 0;
}

.page-home .hero__actions {
  margin-top: clamp(24px, 3vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-home .hero__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--deep);
  box-shadow: 0 0 24px rgba(5, 7, 14, 0.9);
}

.page-home .hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.92;
}

.page-home .hero__orbit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-home .hero__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin: 0;
}

.page-home .band {
  min-height: clamp(32px, 4vw, 56px);
}

.page-home .sect {
  padding-block: var(--ph-sect);
  position: relative;
}

.page-home .sect--floors {
  background: linear-gradient(180deg, var(--deep), var(--void));
}

.page-home .sect--tools {
  background: var(--void);
}

.page-home .sect--updates {
  background: var(--deep);
}

.page-home .sect--members {
  background: var(--indigo);
  overflow: hidden;
}

.page-home .sect--contact {
  background: var(--void);
}

.page-home .sect__head {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 24px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .sect__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--galaxy);
}

.page-home .sect--floors .sect__num { color: var(--nebula); }
.page-home .sect--tools .sect__num { color: var(--ice); }
.page-home .sect--updates .sect__num { color: var(--gold); }
.page-home .sect--members .sect__num { color: var(--nebula); }
.page-home .sect--contact .sect__num { color: var(--ice); }

.page-home .sect__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--stardust);
}

.page-home .sect__lead {
  margin: 0 0 clamp(24px, 3vw, 36px);
  max-width: 36em;
  font-size: clamp(15px, 1.02vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-home .sect__more {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

/* —— 四层导览 —— */
.page-home .floors {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .floor {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px clamp(14px, 2.4vw, 28px);
  align-items: start;
  padding-block: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

.page-home .floors .floor:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .floor__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
  padding-top: 7px;
}

.page-home .floor__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--stardust);
}

.page-home .floor__body p {
  margin: 0;
  max-width: 38em;
  font-size: clamp(15px, 1.02vw, 17px);
  line-height: 1.88;
  color: var(--mist);
}

.page-home .floor__fig {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

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

/* —— 数字服务台 —— */
.page-home .tools__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

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

.page-home .route {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 8px clamp(14px, 2.2vw, 24px);
  padding-block: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-home .routes .route:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .route__key {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--ice);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-home .route:hover .route__key,
.page-home .route:focus-within .route__key {
  border-color: var(--ice);
  box-shadow: 0 0 0 4px rgba(95, 227, 214, 0.09);
}

.page-home .route__main h3 {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 700;
  line-height: 1.32;
  margin: 0 0 10px;
  color: var(--stardust);
}

.page-home .route__main p {
  margin: 0 0 8px;
  max-width: 34em;
  font-size: clamp(14.5px, 1vw, 16.5px);
  line-height: 1.86;
  color: var(--mist);
}

.page-home .route__more {
  color: var(--mist);
  font-size: 13.5px !important;
  letter-spacing: 0.01em;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-home .route:hover .route__more,
.page-home .route:focus-within .route__more {
  color: var(--ice);
  transform: translateX(4px);
}

.page-home .route__go {
  grid-column: 2;
  justify-self: start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.3s var(--ease);
}

.page-home .route__go:hover,
.page-home .route__go:focus-visible {
  border-bottom-color: var(--ice);
}

.page-home .tools__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--indigo);
}

.page-home .tools__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.95;
}

.page-home .tools__fig figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

/* —— 更新摘要 —— */
.page-home .updates {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .update {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 6px clamp(14px, 2vw, 24px);
  align-items: baseline;
  padding-block: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--line);
}

.page-home .updates .update:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .update__date {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-align: right;
  line-height: 1.6;
}

.page-home .update__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--nebula);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 8px;
}

.page-home .update__main p {
  margin: 0;
  max-width: 40em;
  font-size: clamp(14.5px, 1vw, 16.5px);
  line-height: 1.86;
  color: var(--stardust);
  opacity: 0.82;
}

/* —— 会员 —— */
.page-home .sect--members .sect__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  pointer-events: none;
}

.page-home .sect__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
}

.page-home .sect--members > .wrap {
  position: relative;
  z-index: 1;
}

.page-home .members__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-home .members__arcs {
  width: min(280px, 78%);
  height: auto;
  margin-inline: auto;
  display: block;
}

.page-home .arc {
  fill: none;
  opacity: 0.7;
}

.page-home .arc--silver {
  stroke: var(--mist);
  stroke-width: 1;
  stroke-dasharray: 3 7;
}

.page-home .arc--orbit {
  stroke: var(--ice);
  stroke-width: 2;
  opacity: 0.6;
}

.page-home .arc--galaxy {
  stroke: var(--nebula);
  stroke-width: 3;
  opacity: 0.85;
}

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

.page-home .tier {
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr);
  gap: 10px clamp(12px, 2vw, 22px);
  align-items: baseline;
  padding-block: clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--line);
}

.page-home .tiers .tier:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .tier__name {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-home .tier--silver .tier__name { color: var(--stardust); opacity: 0.75; }
.page-home .tier--orbit .tier__name { color: var(--ice); }
.page-home .tier--galaxy .tier__name { color: var(--nebula); }

.page-home .tier__desc {
  margin: 0;
  max-width: 30em;
  font-size: clamp(14.5px, 1vw, 16.5px);
  line-height: 1.86;
  color: var(--mist);
}

/* —— 联络坐标 —— */
.page-home .coords {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: clamp(11.5px, 1.1vw, 14px);
  letter-spacing: 0.06em;
  color: var(--stardust);
  word-break: break-word;
}

.page-home .coords__sep {
  color: var(--galaxy);
}

.page-home .sect--contact .sect__more .btn {
  letter-spacing: 0.08em;
}

@media (min-width: 720px) {
  .page-home .update {
    grid-template-columns: 90px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-home .sect--floors,
  .page-home .sect--tools,
  .page-home .sect--updates {
    padding-inline: 0;
  }

  .page-home .floor--media {
    grid-template-columns: 42px minmax(0, 1fr) minmax(0, 0.95fr);
  }

  .page-home .floor--media .floor__fig {
    grid-column: 3;
    grid-row: 1 / span 2;
    margin: 0;
  }

  .page-home .members__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-home .members__arcs {
    width: 100%;
    margin-inline: 0;
  }
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: 58fr 42fr;
    gap: 0;
    align-items: center;
    min-height: 76vh;
  }

  .page-home .hero__copy {
    padding-right: clamp(28px, 4vw, 56px);
    padding-block: clamp(24px, 4vw, 48px);
  }

  .page-home .hero__visual {
    align-self: stretch;
    align-content: center;
    border-left: 1px solid var(--line);
    padding-left: clamp(28px, 4vw, 56px);
    padding-block: clamp(24px, 4vw, 48px);
  }

  .page-home .tools__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-home .hero__note {
    position: absolute;
    top: 4px;
    right: 0;
    margin: 0;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.42em;
    font-size: 11px;
    line-height: 1;
  }

  .page-home .hero__copy {
    padding-right: clamp(48px, 5vw, 76px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .route__key,
  .page-home .route__more,
  .page-home .route__go,
  .page-home .hero__frame img {
    transition: none;
  }
}