.page-home {
  --home-gutter: clamp(1.1rem, 4vw, 2rem);
  --home-soft: rgba(243, 247, 248, .06);
  display: block;
  color: var(--mca-glass);
  overflow-x: hidden;
}

/* ---------- 面包屑行 ---------- */
.page-home .home-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.25rem;
  padding-top: calc(var(--mca-header-h) + 1.25rem);
  padding-bottom: 1rem;
}
.page-home .home-crumbs__tag {
  white-space: nowrap;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  padding: 1.5rem 0 3.5rem;
  isolation: isolate;
}
.page-home .home-hero__glow {
  position: absolute;
  inset: -10% -20% 30% -30%;
  z-index: -1;
  background:
    radial-gradient(46% 60% at 12% 22%, rgba(0, 229, 199, .18), transparent 68%),
    radial-gradient(40% 55% at 92% 8%, rgba(255, 200, 87, .13), transparent 70%),
    radial-gradient(60% 70% at 60% 108%, rgba(6, 59, 58, .55), transparent 72%);
  pointer-events: none;
}
.page-home .home-hero__inner {
  display: grid;
  gap: 2rem;
}
.page-home .home-hero__title {
  margin: .85rem 0 1rem;
  font-family: var(--mca-font-head);
  font-size: clamp(2.1rem, 8.2vw, 4.4rem);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.08;
  color: var(--mca-glass);
}
.page-home .home-hero__text {
  max-width: 46ch;
  color: rgba(243, 247, 248, .78);
}
.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}
.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  margin: 2rem 0 0;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  background: linear-gradient(160deg, rgba(21, 27, 34, .92), rgba(7, 11, 16, .78));
}
.page-home .home-hero__stat {
  min-width: 0;
}
.page-home .home-hero__stat dt {
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mca-mist);
}
.page-home .home-hero__stat dd {
  margin: .35rem 0 0;
  font-family: var(--mca-font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--mca-glass);
}
.page-home .home-hero__stat dd .mca-data {
  font-size: 1.45rem;
  color: var(--mca-cyan);
}

.page-home .home-hero__collage {
  position: relative;
  display: grid;
  gap: 1rem;
}
.page-home .home-hero__photo {
  border-radius: var(--mca-radius-xl);
  border: 1px solid var(--mca-line);
  overflow: hidden;
  background: var(--mca-graphite);
}
.page-home .home-hero__photo .mca-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.9) contrast(1.06);
}
.page-home .home-hero__photo .mca-media__caption {
  padding: .7rem 1rem .85rem;
  font-size: .78rem;
  color: var(--mca-mist);
  border-top: 1px solid var(--mca-line-soft);
}
.page-home .home-hero__chip {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .7rem 1rem;
  border-radius: var(--mca-radius-md);
  border: 1px solid var(--mca-line);
  background: rgba(7, 11, 16, .82);
  backdrop-filter: blur(8px);
}
.page-home .home-hero__chip-num {
  font-size: 1.25rem;
  font-weight: 700;
}
.page-home .home-hero__chip-label {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mca-mist);
}
.page-home .home-hero__chip--gold {
  border-color: rgba(255, 200, 87, .45);
}
.page-home .home-hero__chip--gold .home-hero__chip-num {
  color: var(--mca-gold);
}
.page-home .home-hero__chip--cyan {
  border-color: rgba(0, 229, 199, .45);
}
.page-home .home-hero__chip--cyan .home-hero__chip-num {
  color: var(--mca-cyan);
}

/* ---------- 库存脉冲 ---------- */
.page-home .home-pulse {
  padding: 3rem 0 2.5rem;
  border-top: 1px solid var(--mca-line-soft);
  border-bottom: 1px solid var(--mca-line-soft);
  background:
    linear-gradient(180deg, rgba(6, 59, 58, .28), rgba(7, 11, 16, 0) 62%),
    var(--mca-void);
}
.page-home .home-pulse__head {
  margin-bottom: 1.4rem;
}
.page-home .home-pulse__viewport {
  position: relative;
  overflow: hidden;
  padding: .25rem 0 1.2rem;
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.page-home .home-pulse__rail {
  display: flex;
  gap: .85rem;
  margin: 0;
  padding: .5rem var(--home-gutter);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 229, 199, .5) transparent;
  animation: home-rail-drift 46s linear infinite;
}
.page-home .home-pulse__rail::-webkit-scrollbar {
  height: 6px;
}
.page-home .home-pulse__rail::-webkit-scrollbar-thumb {
  background: rgba(0, 229, 199, .45);
  border-radius: var(--mca-pill);
}
.page-home .home-pulse__rail:hover,
.page-home .home-pulse__rail:focus-within {
  animation-play-state: paused;
}
@keyframes home-rail-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-14%, 0, 0); }
}

.page-home .home-pulse__card {
  flex: 0 0 auto;
  width: min(72vw, 250px);
  scroll-snap-align: start;
  padding: 1rem 1.05rem 1.1rem;
  border-radius: var(--mca-radius-md);
  border: 1px solid var(--mca-line);
  border-left-width: 3px;
  background: linear-gradient(165deg, rgba(21, 27, 34, .94), rgba(7, 11, 16, .88));
}
.page-home .home-pulse__card--cyan {
  border-left-color: var(--mca-cyan);
}
.page-home .home-pulse__card--amber {
  border-left-color: var(--mca-amber);
}
.page-home .home-pulse__card--coral {
  border-left-color: var(--mca-coral);
}
.page-home .home-pulse__state {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--mca-mist);
}
.page-home .home-pulse__card--cyan .home-pulse__state .mca-chip__dot {
  background: var(--mca-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, .18);
}
.page-home .home-pulse__card--amber .home-pulse__state .mca-chip__dot {
  background: var(--mca-amber);
}
.page-home .home-pulse__card--coral .home-pulse__state .mca-chip__dot {
  background: var(--mca-coral);
}
.page-home .home-pulse__model {
  margin: .65rem 0 .25rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--mca-glass);
  word-break: break-word;
}
.page-home .home-pulse__store {
  margin: 0;
  font-size: .82rem;
  color: var(--mca-mist);
}
.page-home .home-pulse__count {
  margin: .55rem 0 0;
  font-size: .82rem;
  color: var(--mca-cyan);
}
.page-home .home-pulse__card--amber .home-pulse__count {
  color: var(--mca-amber);
}
.page-home .home-pulse__card--coral .home-pulse__count {
  color: var(--mca-coral);
}
.page-home .home-pulse__note {
  margin-top: 1.2rem;
}

/* ---------- 库存筛选与列表 ---------- */
.page-home .home-filter {
  padding: 3rem 0;
}
.page-home .home-filter__hint {
  margin: 0;
  max-width: 28ch;
  font-size: .82rem;
  color: var(--mca-mist);
}
.page-home .home-filter__panel {
  display: grid;
  gap: 1rem;
  padding: 1.15rem;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  background: linear-gradient(150deg, rgba(21, 27, 34, .9), rgba(7, 11, 16, .72));
}
.page-home .home-filter__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
}
.page-home .home-filter__group-label {
  margin-right: .3rem;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mca-mist);
}
.page-home .home-filter__group .mca-chip {
  cursor: default;
}

.page-home .home-inventory {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  overflow: hidden;
  background: rgba(7, 11, 16, .6);
}
.page-home .home-inventory__head {
  display: none;
}
.page-home .home-inventory__row {
  display: grid;
  gap: .5rem;
  padding: .95rem 1.05rem;
  border-bottom: 1px solid var(--mca-line-soft);
  transition: background .3s var(--mca-ease), border-color .3s var(--mca-ease);
}
.page-home .home-inventory__row:last-child {
  border-bottom: 0;
}
.page-home .home-inventory__row:hover {
  background: rgba(0, 229, 199, .05);
}
.page-home .home-inventory__model {
  font-size: .92rem;
  font-weight: 600;
  color: var(--mca-glass);
  word-break: break-word;
}
.page-home .home-inventory__store {
  font-size: .84rem;
  color: var(--mca-mist);
}
.page-home .home-inventory__state {
  display: flex;
}
.page-home .home-inventory__week {
  font-size: .76rem;
  color: var(--mca-mist);
}
.page-home .home-filter__foot {
  margin: 1.25rem 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--mca-mist);
}
.page-home .home-filter__foot a {
  color: var(--mca-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 渠道分布 ---------- */
.page-home .home-channels {
  padding: 3rem 0;
  border-top: 1px solid var(--mca-line-soft);
}
.page-home .home-channels__layout {
  display: grid;
  gap: 1.6rem;
}
.page-home .home-channels__ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 1rem;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-xl);
  background: radial-gradient(80% 70% at 50% 0%, rgba(255, 200, 87, .1), transparent 66%), rgba(21, 27, 34, .7);
}
.page-home .home-ring {
  width: min(240px, 68vw);
  height: auto;
}
.page-home .home-ring__num {
  font-family: var(--mca-font-data);
  font-size: 30px;
  font-weight: 700;
  fill: var(--mca-cyan);
}
.page-home .home-ring__cap {
  font-family: var(--mca-font-body);
  font-size: 9px;
  letter-spacing: .18em;
  fill: var(--mca-mist);
}
.page-home .home-ring__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .8rem;
  color: var(--mca-mist);
}
.page-home .home-ring__legend li {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.page-home .home-ring__legend .mca-data {
  color: var(--mca-glass);
}
.page-home .home-ring__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.page-home .home-ring__dot--cyan {
  background: var(--mca-cyan);
}
.page-home .home-ring__dot--gold {
  background: var(--mca-gold);
}
.page-home .home-ring__dot--amber {
  background: var(--mca-amber);
}

.page-home .home-channels__map {
  border-radius: var(--mca-radius-lg);
  border: 1px solid var(--mca-line);
  overflow: hidden;
  background: var(--mca-graphite);
}
.page-home .home-channels__map .mca-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.86) contrast(1.08);
}
.page-home .home-channels__map .mca-media__caption {
  padding: .7rem 1rem .85rem;
  font-size: .78rem;
  color: var(--mca-mist);
  border-top: 1px solid var(--mca-line-soft);
}

.page-home .home-channels__points {
  display: grid;
  gap: .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .home-channels__points li {
  padding: 1rem 1.1rem;
  border-left: 2px solid rgba(255, 200, 87, .6);
  border-radius: 0 var(--mca-radius-sm) var(--mca-radius-sm) 0;
  background: rgba(21, 27, 34, .6);
}
.page-home .home-channels__points h3 {
  margin: 0 0 .35rem;
  font-family: var(--mca-font-head);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--mca-glass);
}
.page-home .home-channels__points p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(243, 247, 248, .72);
}

/* ---------- 四档阶梯 ---------- */
.page-home .home-tiers {
  padding: 3rem 0;
  border-top: 1px solid var(--mca-line-soft);
  background: linear-gradient(180deg, rgba(6, 59, 58, .26), rgba(7, 11, 16, 0) 70%);
}
.page-home .home-tiers__stairs {
  display: grid;
  gap: .85rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: home-tier;
}
.page-home .home-tiers__step {
  position: relative;
  padding: 1.15rem 1.15rem 1.25rem;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  background: linear-gradient(160deg, rgba(21, 27, 34, .92), rgba(7, 11, 16, .74));
  transition: transform .32s var(--mca-ease), border-color .32s var(--mca-ease);
}
.page-home .home-tiers__step:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 199, .45);
}
.page-home .home-tiers__no {
  display: block;
  font-size: .82rem;
  letter-spacing: .2em;
  color: var(--mca-mist);
}
.page-home .home-tiers__step h3 {
  margin: .5rem 0 .3rem;
  font-family: var(--mca-font-head);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--mca-glass);
}
.page-home .home-tiers__scope {
  margin: 0 0 .6rem;
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--mca-cyan);
}
.page-home .home-tiers__step p:last-child {
  margin: 0;
  font-size: .87rem;
  line-height: 1.7;
  color: rgba(243, 247, 248, .72);
}
.page-home .home-tiers__step--1 { border-top: 3px solid var(--mca-cyan); }
.page-home .home-tiers__step--2 { border-top: 3px solid rgba(0, 229, 199, .68); }
.page-home .home-tiers__step--3 { border-top: 3px solid rgba(255, 200, 87, .7); }
.page-home .home-tiers__step--4 { border-top: 3px solid rgba(255, 159, 69, .7); }
.page-home .home-tiers__step--2 .home-tiers__scope { color: rgba(0, 229, 199, .82); }
.page-home .home-tiers__step--3 .home-tiers__scope { color: var(--mca-gold); }
.page-home .home-tiers__step--4 .home-tiers__scope { color: var(--mca-amber); }
.page-home .home-tiers__foot {
  margin: 1.5rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mca-mist);
}
.page-home .home-tiers__foot a {
  color: var(--mca-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 检测与保修 ---------- */
.page-home .home-assure {
  padding: 3rem 0;
  border-top: 1px solid var(--mca-line-soft);
}
.page-home .home-assure__layout {
  display: grid;
  gap: 1.6rem;
}
.page-home .home-assure__photo {
  border-radius: var(--mca-radius-lg);
  border: 1px solid var(--mca-line);
  overflow: hidden;
  background: var(--mca-graphite);
}
.page-home .home-assure__photo .mca-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.88) contrast(1.06);
}
.page-home .home-assure__photo .mca-media__caption {
  padding: .7rem 1rem .85rem;
  font-size: .78rem;
  color: var(--mca-mist);
  border-top: 1px solid var(--mca-line-soft);
}
.page-home .home-assure__cards {
  display: grid;
  gap: .9rem;
}
.page-home .home-assure__card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  align-items: flex-start;
}
.page-home .home-assure__timeline {
  position: relative;
  margin: 1.4rem 0 0;
  padding: 0 0 0 1.2rem;
  list-style: none;
  border-left: 2px solid rgba(0, 229, 199, .35);
}
.page-home .home-assure__timeline li {
  position: relative;
  padding: 0 0 1.15rem .2rem;
}
.page-home .home-assure__timeline li:last-child {
  padding-bottom: 0;
}
.page-home .home-assure__timeline li::before {
  content: "";
  position: absolute;
  left: -1.62rem;
  top: .35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mca-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, .15);
}
.page-home .home-assure__year {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--mca-gold);
}
.page-home .home-assure__timeline p {
  margin: .35rem 0 0;
  font-size: .87rem;
  line-height: 1.7;
  color: rgba(243, 247, 248, .74);
}
.page-home .home-assure__link {
  margin: 1.4rem 0 0;
  font-size: .86rem;
  color: var(--mca-mist);
}
.page-home .home-assure__link a {
  color: var(--mca-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 周更动态 ---------- */
.page-home .home-updates {
  padding: 3rem 0 4.5rem;
  border-top: 1px solid var(--mca-line-soft);
}
.page-home .home-updates__grid {
  display: grid;
  gap: .9rem;
}
.page-home .home-updates__item {
  padding: 1.2rem 1.15rem 1.3rem;
  border: 1px solid var(--mca-line);
  border-radius: var(--mca-radius-lg);
  background: rgba(21, 27, 34, .68);
  transition: transform .3s var(--mca-ease), border-color .3s var(--mca-ease);
}
.page-home .home-updates__item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 199, .4);
}
.page-home .home-updates__item h3 {
  margin: .7rem 0 .45rem;
  font-family: var(--mca-font-head);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .03em;
  line-height: 1.4;
  color: var(--mca-glass);
}
.page-home .home-updates__item p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.72;
  color: rgba(243, 247, 248, .72);
}
.page-home .home-updates__item--lead {
  border-color: rgba(0, 229, 199, .38);
  background: linear-gradient(150deg, rgba(6, 59, 58, .78), rgba(21, 27, 34, .8));
}
.page-home .home-updates__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.8rem;
  padding: 1.2rem 1.25rem;
  border-radius: var(--mca-radius-lg);
  border: 1px solid var(--mca-line);
  background: linear-gradient(120deg, rgba(0, 229, 199, .12), rgba(255, 200, 87, .1));
}
.page-home .home-updates__cta p {
  margin: 0;
  max-width: 44ch;
  font-size: .92rem;
  color: var(--mca-glass);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .home-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .home-inventory__head {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr) 150px 100px;
    gap: 1rem;
    padding: .7rem 1.05rem;
    font-size: .72rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--mca-mist);
    background: rgba(21, 27, 34, .85);
    border-bottom: 1px solid var(--mca-line);
  }
  .page-home .home-inventory__row {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr) 150px 100px;
    align-items: center;
    gap: 1rem;
  }
  .page-home .home-tiers__stairs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-updates__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-updates__item--lead {
    grid-column: span 2;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-home .home-crumbs {
    padding-top: calc(var(--mca-header-h) + 1.9rem);
  }
  .page-home .home-hero {
    padding: 2rem 0 5rem;
  }
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: start;
    gap: 3.2rem;
  }
  .page-home .home-hero__collage {
    padding-top: 1.6rem;
  }
  .page-home .home-hero__chip {
    position: absolute;
  }
  .page-home .home-hero__chip--gold {
    right: 1.1rem;
    bottom: 4.4rem;
  }
  .page-home .home-hero__chip--cyan {
    left: -1.4rem;
    bottom: 7.6rem;
  }
  .page-home .home-pulse__card {
    width: 264px;
  }
  .page-home .home-channels__layout {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    grid-template-areas:
      "ring map"
      "points map";
    align-items: start;
    gap: 1.8rem;
  }
  .page-home .home-channels__ring {
    grid-area: ring;
  }
  .page-home .home-channels__map {
    grid-area: map;
  }
  .page-home .home-channels__points {
    grid-area: points;
  }
  .page-home .home-tiers__stairs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
  }
  .page-home .home-tiers__step--1 { margin-top: 0; }
  .page-home .home-tiers__step--2 { margin-top: 1.6rem; }
  .page-home .home-tiers__step--3 { margin-top: 3.2rem; }
  .page-home .home-tiers__step--4 { margin-top: 4.8rem; }
  .page-home .home-assure__layout {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    gap: 2.4rem;
    align-items: start;
  }
  .page-home .home-updates__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .home-updates__item--lead {
    grid-column: span 2;
    grid-row: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-pulse__rail {
    animation: none;
  }
  .page-home .home-tiers__step,
  .page-home .home-updates__item,
  .page-home .home-inventory__row {
    transition: none;
  }
  .page-home .home-tiers__step:hover,
  .page-home .home-updates__item:hover {
    transform: none;
  }
}
<<<END>>>