/* ===== 首页专属样式 · 作用域 .page-home ===== */

.page-home {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 封面 ---------- */

.page-home .home-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--plateau);
  color: var(--paper);
  padding: 56px 0 0;
}

.page-home .home-cover__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.72) contrast(1.02);
}

.page-home .home-cover__beam {
  position: absolute;
  z-index: 1;
  left: 38%;
  top: -46%;
  width: 82%;
  height: 190%;
  background: linear-gradient(202deg,
      rgba(178, 51, 39, 0.88) 0%,
      rgba(192, 138, 46, 0.46) 46%,
      rgba(31, 111, 99, 0.9) 100%);
  transform: rotate(-12deg);
  opacity: 0.78;
  pointer-events: none;
}

.page-home .home-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg,
      rgba(42, 37, 32, 0.74) 0%,
      rgba(42, 37, 32, 0.40) 44%,
      rgba(42, 37, 32, 0.88) 100%);
  pointer-events: none;
}

.page-home .home-cover__inner,
.page-home .home-cover__figures {
  position: relative;
  z-index: 3;
}

.page-home .home-cover__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250, 246, 238, 0.72);
}

.page-home .home-cover__pip {
  width: 26px;
  height: 1px;
  background: var(--gold);
  flex: 0 0 auto;
}

.page-home .home-cover__title {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: 40px;
  line-height: 1.16;
}

.page-home .home-cover__brand {
  display: block;
  color: var(--paper);
}

.page-home .home-cover__claim {
  display: block;
  margin-top: 10px;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--gold-soft);
}

.page-home .home-cover__lede {
  max-width: 34em;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(250, 246, 238, 0.86);
}

.page-home .home-cover__figures {
  display: grid;
  gap: 16px;
  margin-top: 44px;
  padding-bottom: 52px;
}

.page-home .home-figure-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 22px 22px;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 3px;
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  box-shadow: var(--shadow-1);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.page-home .home-figure-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-home .home-figure-card__num {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 88px;
  line-height: 0.84;
  letter-spacing: -0.04em;
  color: var(--red);
}

.page-home .home-figure-card--jade .home-figure-card__num {
  color: var(--jade);
}

.page-home .home-figure-card__body {
  padding-top: 6px;
}

.page-home .home-figure-card__label {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .home-figure-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 档案索引长卷 ---------- */

.page-home .home-ledger {
  background: var(--paper);
}

.page-home .ledger {
  padding-top: 48px;
  padding-bottom: 32px;
}

.page-home .home-rail-head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-home .home-section {
  padding-bottom: 56px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.page-home .home-section:last-child {
  padding-bottom: 8px;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-home .section-head {
  margin-bottom: 22px;
}

.page-home .home-lede {
  max-width: 640px;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--stone);
}

.page-home .home-lede--tight {
  margin-bottom: 22px;
}

.page-home .home-figure {
  margin: 28px 0 0;
}

.page-home .home-figure--flush {
  margin-top: 0;
}

.page-home .home-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

/* ---------- A-01 产品线 ---------- */

.page-home .home-lanes {
  display: grid;
  gap: 18px;
}

.page-home .home-lane {
  padding: 24px 22px 22px;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
  border-radius: 2px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.page-home .home-lane--jade {
  border-top-color: var(--jade);
}

.page-home .home-lane:hover,
.page-home .home-lane:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-home .home-lane__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-home .home-lane--red .home-lane__title {
  color: var(--red);
}

.page-home .home-lane--jade .home-lane__title {
  color: var(--jade);
}

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

.page-home .home-lane__list li {
  position: relative;
  padding: 0 0 0 20px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .home-lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--stone);
}

.page-home .home-lane--red .home-lane__list li::before {
  background: var(--red);
}

.page-home .home-lane--jade .home-lane__list li::before {
  background: var(--jade);
}

.page-home .home-lane__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-home .home-lane__link::after {
  content: " →";
}

.page-home .home-lane--red .home-lane__link:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-home .home-lane--jade .home-lane__link:hover {
  color: var(--jade);
  border-bottom-color: var(--jade);
}

/* ---------- A-02 仓储区 ---------- */

.page-home .home-map {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
  margin: 4px 0 30px;
  color: var(--stone);
  overflow: visible;
}

.page-home .home-map__boxes rect {
  fill: rgba(31, 111, 99, 0.08);
  stroke: var(--jade);
  stroke-width: 1;
}

.page-home .home-map__boxes rect:nth-child(n + 4) {
  fill: rgba(192, 138, 46, 0.10);
  stroke: var(--gold);
}

.page-home .home-map text {
  text-anchor: middle;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-home .home-map__codes text {
  fill: var(--ink);
}

.page-home .home-map__areas text {
  fill: var(--stone);
  font-size: 10.5px;
  letter-spacing: 0.16em;
}

.page-home .home-map__ticks line {
  stroke: var(--line-strong);
  stroke-width: 1;
}

/* ---------- A-03 库存与比价 ---------- */

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

.page-home .home-step {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .home-step__idx {
  flex: 0 0 auto;
  min-width: 42px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--jade);
  padding-top: 4px;
}

.page-home .home-step__body {
  min-width: 0;
}

.page-home .home-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.page-home .home-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 38em;
}

/* ---------- A-04 保修 ---------- */

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

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

.page-home .home-facts li {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .home-facts li:first-child {
  border-top: 1px solid var(--line);
}

.page-home .home-facts__k {
  display: inline-block;
  min-width: 6.5em;
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--red);
  vertical-align: 1px;
}

/* ---------- A-05 服务与下一步 ---------- */

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

.page-home .home-metric {
  padding: 18px 16px;
  background: var(--paper-deep);
}

.page-home .home-metric__k {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-home .home-metric__v {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 焦点可见性 ---------- */

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .home-cover {
    padding-top: 72px;
  }

  .page-home .home-cover__title {
    font-size: 52px;
  }

  .page-home .home-cover__claim {
    font-size: 24px;
  }

  .page-home .home-figure-card__num {
    font-size: 104px;
  }

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

@media (min-width: 860px) {
  .page-home .home-cover {
    padding-top: 84px;
  }

  .page-home .home-cover__title {
    font-size: 60px;
  }

  .page-home .home-cover__claim {
    font-size: 27px;
  }

  .page-home .home-cover__figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .home-figure-card__num {
    font-size: 120px;
  }

  .page-home .home-lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .home-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: start;
  }

  .page-home .home-step {
    padding: 22px 0;
  }

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

@media (min-width: 1024px) {
  .page-home .home-cover__beam {
    left: 44%;
    width: 72%;
  }

  .page-home .home-lede {
    font-size: 17.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-figure-card,
  .page-home .home-lane {
    transition: none;
  }

  .page-home .home-figure-card:hover,
  .page-home .home-lane:hover {
    transform: none;
  }
}