.page-home {
  --home-gutter: clamp(20px, 5vw, 64px);
  --home-line: rgba(184, 135, 58, 0.32);
  --home-hairline: rgba(51, 65, 92, 0.9);
  background-color: var(--ink);
  color: var(--text-soft);
  overflow-x: hidden;
}

.page-home .link-inline {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 209, 232, 0.45);
  padding-bottom: 1px;
}

.page-home .link-inline:hover,
.page-home .link-inline:focus-visible {
  color: var(--copper-lit);
  border-bottom-color: var(--copper-lit);
}

.page-home .u {
  margin-left: 0.25em;
  font-size: 0.72em;
  color: var(--mist);
}

/* ---------- 01 首屏框景 ---------- */
.page-home .hero-frame {
  position: relative;
  padding: calc(var(--header-h) + 48px) var(--home-gutter) 56px;
  border: 1px solid var(--home-hairline);
  border-top: none;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(127, 209, 232, 0.10), transparent 62%),
    radial-gradient(90% 80% at 6% 96%, rgba(184, 135, 58, 0.14), transparent 60%),
    linear-gradient(180deg, #0B1226 0%, var(--ink) 62%);
}

.page-home .hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(51, 65, 92, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 65, 92, 0.16) 1px, transparent 1px);
  background-size: 100% 56px, 96px 100%;
  opacity: 0.5;
  pointer-events: none;
}

.page-home .hero-frame__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-home .hero-frame__eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper-lit);
}

.page-home .hero-frame__title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 11vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .hero-frame__title-line {
  display: block;
}

.page-home .hero-frame__title-line--shift {
  padding-left: clamp(16px, 12vw, 132px);
  color: var(--copper-lit);
}

.page-home .hero-frame__lede {
  margin: 0 0 32px;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-home .hero-frame__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.page-home .hero-frame__facts {
  display: grid;
  gap: 1px;
  margin: 0;
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero-fact {
  padding: 16px 0;
}

.page-home .hero-fact__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-home .hero-fact__value {
  margin: 0;
  font-size: 24px;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-home .hero-fact__unit {
  font-size: 13px;
  color: var(--mist);
  margin-left: 0.25em;
}

.page-home .hero-frame__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--home-line);
  background-color: var(--ink-2);
}

.page-home .hero-frame__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}

.page-home .hero-frame__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(14, 23, 48, 0.82) 100%);
  pointer-events: none;
}

.page-home .hero-frame__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper);
}

.page-home .hero-frame__rail {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 26px;
  margin-top: 28px;
  border-bottom: 1px solid var(--home-line);
}

.page-home .rail-tick {
  display: block;
  width: 1px;
  height: 8px;
  background-color: rgba(184, 135, 58, 0.55);
}

.page-home .rail-tick:nth-child(3n) {
  height: 16px;
  background-color: var(--copper);
}

.page-home .hero-frame__index {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin-top: 20px;
  font-size: 13px;
}

.page-home .hero-frame__index-title {
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--copper);
}

.page-home .hero-frame__index a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

/* ---------- 通用区块头 ---------- */
.page-home .band-head {
  max-width: 46em;
  margin-bottom: 40px;
}

.page-home .chapter-index {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-lit);
}

.page-home .chapter-index__num {
  font-size: 20px;
  color: var(--copper);
}

.page-home .section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.6vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .band-head__lede {
  margin: 0;
}

/* ---------- 02 铭牌带 ---------- */
.page-home .plate-band {
  position: relative;
  border-top: 1px solid var(--home-hairline);
}

.page-home .plate-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.page-home .plate-chip {
  appearance: none;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--home-hairline);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .plate-chip:hover {
  color: var(--paper);
  border-color: var(--copper);
}

.page-home .plate-chip[aria-pressed="true"] {
  color: var(--ink);
  background-color: var(--copper-lit);
  border-color: var(--copper-lit);
}

.page-home .plate-grid {
  display: grid;
  gap: 20px;
}

.page-home .plate-card {
  position: relative;
  padding: 26px 22px 22px;
  background: linear-gradient(180deg, rgba(27, 42, 74, 0.85), rgba(14, 23, 48, 0.95));
  border: 1px solid var(--home-hairline);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(242, 239, 233, 0.05), 0 10px 24px rgba(8, 11, 18, 0.45);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-home .plate-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--steel);
}

.page-home .plate-card--moss::before { background-color: var(--moss); }
.page-home .plate-card--copper::before { background-color: var(--copper); }
.page-home .plate-card--brick::before { background-color: var(--brick); }

.page-home .plate-card:hover {
  border-color: var(--copper);
  transform: translateY(-3px);
}

.page-home .plate-card[data-plate-hidden="true"] {
  display: none;
}

.page-home .plate-card__code {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-home .plate-card__name {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .plate-card__price {
  margin: 0 0 6px;
  font-size: 28px;
  color: var(--copper-lit);
  font-variant-numeric: tabular-nums;
}

.page-home .plate-card--moss .plate-card__price { color: var(--moss); }
.page-home .plate-card--brick .plate-card__price { color: var(--brick); }

.page-home .plate-card__cycle {
  margin: 0 0 16px;
  padding-bottom: 16px;
  font-size: 15px;
  color: var(--ice);
  border-bottom: 1px solid var(--home-hairline);
  font-variant-numeric: tabular-nums;
}

.page-home .plate-card__fit {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-home .plate-card__toggle {
  appearance: none;
  width: 100%;
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--paper);
  background: rgba(51, 65, 92, 0.28);
  border: 1px solid var(--home-hairline);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .plate-card__toggle::after {
  content: " ↓";
  color: var(--copper-lit);
}

.page-home .plate-card__toggle[aria-expanded="true"]::after {
  content: " ↑";
}

.page-home .plate-card__toggle:hover,
.page-home .plate-card__toggle:focus-visible {
  border-color: var(--copper);
  background: rgba(184, 135, 58, 0.14);
}

.page-home .plate-card__detail {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .plate-card__detail li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
  border-top: 1px solid rgba(51, 65, 92, 0.55);
  padding-top: 10px;
}

.page-home .plate-card__detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 1px;
  background-color: var(--copper);
}

.page-home .band-note {
  margin: 28px 0 0;
  padding-top: 18px;
  font-size: 14px;
  color: var(--mist);
  border-top: 1px solid var(--home-line);
}

/* ---------- 03 对照轴 ---------- */
.page-home .axis-section {
  border-top: 1px solid var(--home-hairline);
  border-bottom: 1px solid var(--home-hairline);
}

.page-home .axis-figure {
  margin: 0 0 36px;
  padding: 20px 16px 16px;
  border: 1px solid var(--home-hairline);
  background: rgba(8, 11, 18, 0.4);
}

.page-home .axis-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .axis-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 14px 0 0;
  padding: 14px 0 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
  border-top: 1px solid var(--home-hairline);
}

.page-home .axis-legend__dot {
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
}

.page-home .axis-legend__dot--copper { background-color: var(--copper); }
.page-home .axis-legend__dot--ice { background-color: var(--ice); }

.page-home .axis-table {
  border-top: 1px solid var(--home-line);
}

.page-home .axis-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--home-hairline);
  font-size: 15px;
  color: var(--text-soft);
}

.page-home .axis-row--head {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .axis-row--moss span:first-child { color: var(--moss); }
.page-home .axis-row--copper span:first-child { color: var(--copper-lit); }
.page-home .axis-row--brick span:first-child { color: var(--brick); }

.page-home .axis-row span:nth-child(2),
.page-home .axis-row span:nth-child(3) {
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

/* ---------- 04 交付内容 ---------- */
.page-home .scope-layout {
  display: grid;
  gap: 40px;
}

.page-home .scope-main .lede {
  margin: 0 0 32px;
}

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

.page-home .scope-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--home-hairline);
}

.page-home .scope-item__num {
  font-size: 18px;
  color: var(--copper);
  line-height: 1.4;
}

.page-home .scope-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .scope-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .scope-media {
  align-self: start;
}

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

/* ---------- 05 推进路径（纸面分区） ---------- */
.page-home .section--paper {
  color: #23262E;
}

.page-home .process-section .section-title {
  color: #14181F;
}

.page-home .process-section .band-head__lede {
  color: #4A5160;
}

.page-home .process-section .chapter-index {
  color: #8A6220;
}

.page-home .process-section .chapter-index__num {
  color: #B8873A;
}

.page-home .process-track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(20, 24, 31, 0.18);
  counter-reset: step;
}

.page-home .process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 10px 14px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(20, 24, 31, 0.14);
}

.page-home .process-step__num {
  grid-row: 1 / 3;
  font-size: 24px;
  color: #B8873A;
  line-height: 1.2;
}

.page-home .process-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #14181F;
}

.page-home .process-step p {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #4A5160;
}

.page-home .process-note {
  margin: 28px 0 0;
  padding-top: 18px;
  font-size: 14px;
  color: #4A5160;
  border-top: 1px solid rgba(20, 24, 31, 0.18);
}

/* ---------- 06 行业适配 ---------- */
.page-home .industry-grid {
  display: grid;
  gap: 1px;
  background-color: var(--home-hairline);
  border: 1px solid var(--home-hairline);
}

.page-home .industry-card {
  padding: 24px 20px;
  background-color: var(--ink);
  transition: background-color var(--dur) var(--ease);
}

.page-home .industry-card:hover {
  background-color: var(--ink-2);
}

.page-home .industry-card__title {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .industry-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .industry-card__fit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--copper-lit);
  letter-spacing: 0.04em;
}

.page-home .industry-media {
  margin: 32px 0 0;
}

.page-home .industry-note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 07 资质与团队 ---------- */
.page-home .proof-section {
  border-top: 1px solid var(--home-hairline);
  border-bottom: 1px solid var(--home-hairline);
}

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

.page-home .proof-main .lede {
  margin: 0 0 28px;
}

.page-home .proof-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 28px;
  background-color: var(--home-hairline);
  border: 1px solid var(--home-hairline);
}

.page-home .proof-stats .stat {
  padding: 18px 16px;
  background-color: var(--ink-2);
}

.page-home .proof-stats .stat__value {
  display: block;
  font-size: 32px;
  color: var(--copper-lit);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.page-home .proof-stats .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--mist);
}

.page-home .proof-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--home-line);
}

.page-home .proof-list li {
  padding: 14px 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
  border-bottom: 1px solid var(--home-hairline);
}

.page-home .proof-list .mono {
  display: inline-block;
  min-width: 5.6em;
  color: var(--ice);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-home .proof-media {
  justify-self: stretch;
}

.page-home .media-frame--copper {
  border-color: var(--copper);
}

/* ---------- 08 上线之后 ---------- */
.page-home .aftercare-grid {
  display: grid;
  gap: 20px;
}

.page-home .aftercare-item {
  position: relative;
  padding: 22px 20px;
  border-left: 1px solid var(--home-hairline);
  border-bottom: 1px solid var(--home-hairline);
  transition: border-color var(--dur) var(--ease);
}

.page-home .aftercare-item:hover {
  border-left-color: var(--copper);
}

.page-home .aftercare-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .aftercare-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .aftercare-note {
  margin: 28px 0 0;
  padding-top: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  border-top: 1px solid var(--home-line);
}

/* ---------- 09 开始选型 ---------- */
.page-home .start-section {
  border-top: 1px solid var(--home-line);
  background: linear-gradient(180deg, var(--ink) 0%, #080B12 100%);
}

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

.page-home .start-main .lede {
  margin: 0 0 28px;
}

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

.page-home .start-side {
  padding: 24px 20px;
  border: 1px solid var(--home-line);
  background-color: rgba(27, 42, 74, 0.55);
}

.page-home .start-side__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper-lit);
}

.page-home .start-side__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-home .start-side__list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--home-hairline);
}

.page-home .start-side__list a {
  font-size: 15px;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .start-side__list a:hover,
.page-home .start-side__list a:focus-visible {
  color: var(--ice);
}

.page-home .start-side__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero-frame {
    padding-top: calc(var(--header-h) + 64px);
    padding-bottom: 72px;
  }

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

  .page-home .hero-fact {
    padding: 18px 20px 18px 0;
    border-right: 1px solid var(--home-line);
  }

  .page-home .hero-fact:last-child {
    border-right: none;
    padding-right: 0;
  }

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

  .page-home .axis-row {
    grid-template-columns: 1.1fr 1.3fr 1.3fr 1.6fr;
    align-items: center;
    gap: 12px;
  }

  .page-home .axis-row--head {
    padding: 12px 0;
  }

  .page-home .process-step {
    grid-template-columns: 72px 220px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-home .process-step__num {
    grid-row: auto;
  }

  .page-home .process-step p {
    grid-column: 3;
  }

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

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

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

@media (min-width: 1024px) {
  .page-home .hero-frame {
    padding-left: clamp(40px, 6vw, 96px);
    padding-right: clamp(40px, 6vw, 96px);
  }

  .page-home .hero-frame__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 56px;
  }

  .page-home .hero-frame__media img {
    aspect-ratio: 4 / 3.4;
  }

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

  .page-home .scope-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-home .proof-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .start-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
  }

  .page-home .industry-media {
    margin-top: 40px;
  }
}

@media (min-width: 1280px) {
  .page-home .hero-frame__index {
    position: absolute;
    right: clamp(40px, 6vw, 96px);
    top: calc(var(--header-h) + 64px);
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    margin-top: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .plate-card,
  .page-home .aftercare-item,
  .page-home .industry-card {
    transition: none;
  }

  .page-home .plate-card:hover {
    transform: none;
  }
}