.page-home {
  --home-cut: 46px;
  --home-radius: 0;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + clamp(48px, 8vw, 100px)) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(120% 90% at 86% 4%, rgba(40, 224, 208, 0.16) 0%, rgba(10, 27, 46, 0) 58%),
    var(--ink);
  border-bottom: 1px solid var(--hair);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -18%;
  width: min(820px, 88vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(148deg, rgba(40, 224, 208, 0.2) 0%, rgba(40, 224, 208, 0.04) 52%, rgba(10, 27, 46, 0) 100%);
  clip-path: polygon(26% 0, 100% 0, 100% 78%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(199, 211, 221, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 211, 221, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  z-index: -1;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 74%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 74%);
}

.page-home .hero-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(38px, 6vw, 72px);
  align-items: center;
}

.page-home .hero-copy {
  min-width: 0;
}

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(2.5rem, 8.4vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-home .hero-title .hl {
  color: var(--cyan);
  display: inline-block;
}

.page-home .hero-lede {
  margin-top: 22px;
  max-width: 40ch;
  color: var(--fg-dim);
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(20px, 3vw, 44px);
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}

.page-home .hero-meta > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-home .hero-meta dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-faint);
}

.page-home .hero-meta dd {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--cyan);
  line-height: 1;
}

.page-home .hero-panel {
  position: relative;
  padding: 14px;
  border: 1px solid var(--hair-strong);
  background: linear-gradient(180deg, rgba(18, 59, 68, 0.55) 0%, rgba(6, 16, 28, 0.75) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
}

.page-home .hero-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 14px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--hair);
}

.page-home .hero-matrix li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  background: rgba(6, 16, 28, 0.82);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--fg-dim);
}

.page-home .hero-matrix .mono {
  color: var(--amber);
  font-size: 10px;
}

/* ---------- 双端入口 ---------- */

.page-home .dual-section {
  background: var(--ink);
}

.page-home .dual-section .tablist {
  margin: 0 0 26px;
}

.page-home .dual-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-home .dual-media {
  border: 1px solid var(--hair);
}

.page-home .spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .spec-list li {
  background: var(--ink);
  padding: 20px 22px;
}

.page-home .spec-list h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.32rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--fg);
}

.page-home .spec-list h3::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg) translateY(-2px);
}

.page-home .spec-list p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-home .inline-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.4);
  padding-bottom: 3px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-home .inline-link:hover,
.page-home .inline-link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 系列速览 ---------- */

.page-home .series-section {
  background: linear-gradient(180deg, var(--ink) 0%, #081625 100%);
}

.page-home .series-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-home .series-media {
  border: 1px solid var(--hair);
}

.page-home .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-home .series-row {
  border-bottom: 1px solid var(--hair);
}

.page-home .series-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 6px;
  text-decoration: none;
  color: inherit;
  transition: background 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-home .series-link:hover,
.page-home .series-link:focus-visible {
  background: rgba(18, 59, 68, 0.5);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-home .series-idx {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.page-home .series-main {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-home .series-name {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--fg);
}

.page-home .series-fit {
  font-size: 0.85rem;
  color: var(--fg-faint);
  line-height: 1.5;
}

.page-home .series-diff {
  display: none;
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.5;
  max-width: 22ch;
}

.page-home .series-arrow {
  font-size: 1.05rem;
  color: var(--graphite);
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .series-link:hover .series-arrow,
.page-home .series-link:focus-visible .series-arrow {
  color: var(--cyan);
  transform: translateX(4px);
}

/* ---------- 价格档位 ---------- */

.page-home .tier-section {
  background: var(--ink-deep);
}

.page-home .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .tier-card {
  position: relative;
  padding: 28px 24px 30px;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.28s var(--ease);
}

.page-home .tier-card:hover {
  background: #0d2033;
}

.page-home .tier-card--amber {
  background: linear-gradient(180deg, rgba(255, 179, 71, 0.09) 0%, rgba(10, 27, 46, 0) 62%), var(--ink);
}

.page-home .tier-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.2vw, 2.2rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-home .tier-desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-home .tier-spec {
  margin: auto 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 12px;
}

.page-home .tier-spec dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-faint);
  margin-bottom: 4px;
}

.page-home .tier-spec dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fg);
  line-height: 1.6;
}

.page-home .tier-foot {
  margin: 26px 0 0;
  font-size: 0.92rem;
  color: var(--fg-dim);
}

.page-home .tier-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.35);
}

.page-home .tier-foot a:hover,
.page-home .tier-foot a:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 季度修订 ---------- */

.page-home .quarter-section {
  background: var(--ink);
}

.page-home .quarter-media {
  border: 1px solid var(--hair);
  margin-bottom: 30px;
}

.page-home .quarter-axis {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .q-node {
  position: relative;
  flex: 0 0 auto;
  width: clamp(150px, 24vw, 220px);
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 22px 4px 0;
  border-top: 1px solid var(--hair-strong);
  text-decoration: none;
  color: inherit;
}

.page-home .q-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .q-node.is-current::before {
  background: var(--amber);
  border-color: var(--amber);
}

.page-home .q-node:hover::before,
.page-home .q-node:focus-visible::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-home .q-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .q-node.is-current .q-label {
  color: var(--amber);
}

.page-home .q-note {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--fg-faint);
}

.page-home .quarter-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  margin-top: 34px;
  align-items: start;
}

.page-home .q-log {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--hair);
}

.page-home .q-log li {
  position: relative;
  padding: 0 0 24px 22px;
}

.page-home .q-log li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--graphite);
  transform: rotate(45deg);
}

.page-home .q-log li.is-current::before {
  background: var(--amber);
}

.page-home .q-log-idx {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 7px;
}

.page-home .q-log li.is-current .q-log-idx {
  color: var(--amber);
}

.page-home .q-log p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-home .matrix-preview {
  border: 1px solid var(--hair);
}

.page-home .quarter-foot {
  margin: 28px 0 0;
  font-size: 0.92rem;
  color: var(--fg-dim);
}

.page-home .quarter-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.35);
}

.page-home .quarter-foot a:hover,
.page-home .quarter-foot a:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 四步选型 ---------- */

.page-home .steps-section {
  background: linear-gradient(180deg, #081625 0%, var(--ink) 100%);
}

.page-home .step-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .step-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 30px;
  background: rgba(6, 16, 28, 0.72);
}

.page-home .step-item::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
}

.page-home .step-num {
  font-size: 2.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(40, 224, 208, 0.7);
  letter-spacing: 0.02em;
}

.page-home .step-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--fg);
}

.page-home .step-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-home .step-link {
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--amber);
  text-decoration: none;
}

.page-home .step-link:hover,
.page-home .step-link:focus-visible {
  color: var(--amber-soft);
  text-decoration: underline;
}

/* ---------- 区域服务 ---------- */

.page-home .region-section {
  background: var(--ink-deep);
  border-top: 1px solid var(--hair);
}

.page-home .region-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
}

.page-home .region-desc {
  margin: 18px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 52ch;
}

.page-home .region-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .region-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  align-content: start;
}

.page-home .region-metric {
  background: var(--ink);
  padding: 22px 20px;
}

.page-home .metric-num {
  display: block;
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 500;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-home .region-metric p {
  margin: 10px 0 0;
  font-size: 0.87rem;
  line-height: 1.65;
  color: var(--fg-dim);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .region-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .hero-shell {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

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

  .page-home .series-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-home .series-link {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 20ch) auto;
    padding: 18px 8px;
  }

  .page-home .series-diff {
    display: block;
    opacity: 0.45;
    transition: opacity 0.28s var(--ease), color 0.28s var(--ease);
  }

  .page-home .series-link:hover .series-diff,
  .page-home .series-link:focus-visible .series-diff {
    opacity: 1;
    color: var(--fg);
  }

  .page-home .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .quarter-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

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

@media (min-width: 1024px) {
  .page-home .step-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 899px) {
  .page-home .series-diff {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .series-link,
  .page-home .series-arrow,
  .page-home .tier-card,
  .page-home .q-node::before {
    transition: none;
  }
}