.page-home {
  --home-accent: var(--cyan);
  display: flex;
  flex-direction: column;
  background: var(--navy);
  color: var(--mist);
}

/* ---------- 01 首屏 ---------- */
.page-home .hero {
  padding: 40px 0 56px;
}

.page-home .hero-grid {
  display: grid;
  gap: 36px;
}

.page-home .hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.2vw, 88px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 14px 0 18px;
  color: var(--mist);
}

.page-home .hero-title-accent {
  color: var(--cyan);
}

.page-home .hero-lede {
  max-width: 32em;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .hero-perks {
  margin-top: 30px;
}

.page-home .perks-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .perk-grid {
  display: grid;
  gap: 14px;
}

.page-home .perk-card {
  display: block;
  padding: 18px;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .perk-card:hover,
.page-home .perk-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .perk-card .chip {
  align-self: flex-start;
}

.page-home .perk-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 10px 0 8px;
  color: var(--mist);
}

.page-home .perk-desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .perk-link {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .hero-nav {
  margin-top: 28px;
}

.page-home .hero-nav-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-home .nav-entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .nav-entry {
  display: grid;
  gap: 3px;
  padding: 14px 12px;
  background: var(--navy);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s var(--ease);
}

.page-home .nav-entry:hover,
.page-home .nav-entry:focus-visible {
  background: var(--teal);
}

.page-home .nav-entry-idx {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .nav-entry-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .nav-entry-desc {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

.page-home .orbit {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .orbit-media {
  position: absolute;
  inset: 0;
}

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

.page-home .orbit-ticks {
  position: absolute;
  inset: 8%;
  width: 84%;
  height: 84%;
  fill: none;
  stroke: rgba(47, 227, 224, 0.3);
  stroke-width: 0.5;
  transform-origin: 50% 50%;
  animation: home-orbit-spin 140s linear infinite;
}

@keyframes home-orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

.page-home .orbit-readout {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-home .orbit-stat {
  display: grid;
  gap: 2px;
  padding: 10px 6px;
  text-align: center;
  background: rgba(6, 18, 32, 0.88);
}

.page-home .orbit-num {
  font-size: 17px;
  font-weight: 600;
  color: var(--gold);
}

.page-home .orbit-key {
  font-size: 11px;
  line-height: 1.4;
  color: var(--muted);
}

.page-home .hero-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--grid);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  padding: 52px 0;
  position: relative;
}

.page-home .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-home .section-mark {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-home .section-band {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--home-accent);
}

.page-home .section-index {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-home .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--mist);
}

.page-home .section-lede {
  max-width: 46em;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 02 产品线走廊 ---------- */
.page-home .lines {
  --home-accent: var(--violet);
  overflow: hidden;
}

.page-home .lines-rail {
  position: relative;
  padding: 6px 0 8px;
}

.page-home .lines-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-home .lines-track {
  position: relative;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 6px var(--edge) 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--grid) transparent;
}

.page-home .lines-track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .line-card {
  flex: 0 0 min(78%, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: rgba(11, 29, 51, 0.94);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .line-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .line-card .chip {
  align-self: flex-start;
}

.page-home .line-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .line-desc {
  margin: 0;
  flex: 1;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .line-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-home .line-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 03 检索与记录 ---------- */
.page-home .search-record {
  --home-accent: var(--cyan);
}

.page-home .sr-grid {
  display: grid;
  gap: 28px;
}

.page-home .sr-list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .sr-list li {
  padding-left: 14px;
  border-left: 2px solid var(--home-accent);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .sr-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .sr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .record-card {
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 20px;
  background: rgba(15, 58, 69, 0.38);
}

.page-home .record-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .record-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-home .record-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--grid);
  font-size: 13.5px;
}

.page-home .record-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .record-name {
  color: var(--mist);
}

.page-home .record-time {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.page-home .record-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .record-chip {
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 04 会员权益对照 ---------- */
.page-home .tiers {
  --home-accent: var(--gold);
}

.page-home .tiers-grid {
  display: grid;
  gap: 28px;
}

.page-home .tiers-visual img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-home .tabs {
  display: block;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 0;
}

.page-home .tabs [role="tablist"] {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.page-home .tab {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 10px 0;
  margin-bottom: -1px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .tab:hover {
  color: var(--mist);
}

.page-home .tab[aria-selected="true"] {
  color: var(--mist);
  border-bottom-color: var(--gold);
}

.page-home .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .tab-panel {
  padding-top: 18px;
}

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

.page-home .tier-rows li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--grid);
  font-size: 14px;
}

.page-home .tier-rows li:last-child {
  border-bottom: 0;
}

.page-home .tier-cat {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-home .tier-val {
  color: var(--mist);
  line-height: 1.6;
}

/* ---------- 05 最近更新 ---------- */
.page-home .updates {
  --home-accent: var(--coral);
}

.page-home .update-list {
  display: grid;
}

.page-home .update-item {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease);
}

.page-home .update-item:first-child {
  border-top: 1px solid var(--grid);
}

.page-home .update-item:hover,
.page-home .update-item:focus-visible {
  border-bottom-color: var(--coral);
}

.page-home .update-time {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-home .update-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .update-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .update-tag {
  justify-self: start;
}

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

/* ---------- 06 服务与联系 ---------- */
.page-home .service {
  --home-accent: var(--gold);
  padding-bottom: 64px;
}

.page-home .service-banner {
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
}

.page-home .service-banner img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.85;
  object-fit: cover;
}

.page-home .service-grid {
  display: grid;
  gap: 26px;
}

.page-home .service-intro {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home .service-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.page-home .service-items {
  display: grid;
  gap: 0;
}

.page-home .contact-item {
  padding: 16px 0;
  border-top: 1px solid var(--grid);
}

.page-home .contact-item:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-home .contact-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .contact-value {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-home .contact-desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-home .perk-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .nav-entry-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding: 64px 0 80px;
  }

  .page-home .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-home .hero-right {
    position: sticky;
    top: 96px;
  }

  .page-home .home-section {
    padding: 72px 0;
  }

  .page-home .section-head {
    margin-bottom: 34px;
  }

  .page-home .line-card {
    flex: 0 0 clamp(260px, 26vw, 400px);
  }

  .page-home .line-card:nth-child(3n + 1) {
    flex-basis: clamp(320px, 33vw, 520px);
  }

  .page-home .line-card:nth-child(3n + 3) {
    flex-basis: clamp(220px, 20vw, 320px);
  }

  .page-home .sr-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: start;
  }

  .page-home .tiers-grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
  }

  .page-home .update-item {
    grid-template-columns: 120px 1fr auto;
    align-items: start;
    gap: 24px;
  }

  .page-home .service-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1400px) {
  .page-home .hero-title {
    letter-spacing: 0.005em;
  }
}

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

  .page-home .perk-card:hover,
  .page-home .line-card:hover {
    transform: none;
  }
}