.page-home {
  --home-max: 1180px;
  --tilt: -6deg;
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-home > .breadcrumbs {
  max-width: var(--home-max);
  margin: 0 auto;
  padding: 16px 0 4px;
  font-size: 13px;
  color: var(--muted-2);
}

/* ---------- 拼贴首屏 ---------- */
.page-home .collage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  max-width: var(--home-max);
  margin: 0 auto;
  padding-top: 10px;
}

.page-home .collage-slab {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--r-block);
  padding: clamp(26px, 5vw, 46px) clamp(20px, 4vw, 40px) 0;
  background:
    radial-gradient(120% 110% at 88% -10%, rgba(22, 196, 127, 0.34), transparent 58%),
    linear-gradient(158deg, var(--c-red) 0%, var(--c-red-deep) 54%, var(--c-ink) 100%);
  box-shadow: var(--shadow-2);
}

.page-home .collage-slab::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 184, 74, 0.28), transparent 66%);
  pointer-events: none;
}

.page-home .slab-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: rgba(245, 248, 246, 0.1);
  color: var(--c-green-soft);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-home .slab-title {
  margin: 16px 0 14px;
  color: var(--c-paper);
  font-size: clamp(40px, 11vw, 78px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-wrap: balance;
  transform: rotate(var(--tilt));
  transform-origin: left center;
}

.page-home .slab-title span {
  display: block;
}

.page-home .slab-title em {
  display: block;
  font-style: normal;
  color: var(--c-green);
  text-shadow: 0 8px 30px rgba(22, 196, 127, 0.32);
}

.page-home .slab-lead {
  max-width: 30ch;
  margin: 0 0 20px;
  color: rgba(245, 248, 246, 0.84);
  font-size: 16px;
  line-height: 1.72;
}

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

.page-home .slab-figure {
  margin: clamp(22px, 4vw, 34px) calc(clamp(20px, 4vw, 40px) * -1) 0;
  height: clamp(150px, 38vw, 220px);
  border-radius: var(--r-card) var(--r-card) 0 0;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(13, 17, 20, 0.6), rgba(22, 196, 127, 0.22));
}

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

/* ---------- 拼贴卡片 ---------- */
.page-home .collage-tiles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: var(--shadow-1);
  background: linear-gradient(160deg, rgba(42, 50, 56, 0.92), rgba(13, 17, 20, 0.94));
}

.page-home .tile-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-home .tile--status {
  border-color: rgba(22, 196, 127, 0.34);
  background:
    radial-gradient(130% 130% at 100% 0%, rgba(22, 196, 127, 0.3), transparent 62%),
    linear-gradient(160deg, var(--c-slate), var(--c-ink));
}

.page-home .tile-big {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(46px, 12vw, 68px);
  line-height: 1;
  color: var(--c-gold);
}

.page-home .tile-unit {
  font-size: 18px;
  color: var(--c-green-soft);
}

.page-home .tile-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-home .tile--download {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .tile-media {
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
}

.page-home .tile--index {
  border-color: rgba(13, 17, 20, 0.1);
  background: linear-gradient(152deg, #ffffff 0%, var(--c-paper) 56%, #ddefe6 100%);
  color: var(--c-text);
}

.page-home .tile--index .tile-kicker {
  color: rgba(27, 34, 38, 0.6);
}

.page-home .tile-range {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(30px, 8vw, 42px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-red);
}

.page-home .tile-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-home .tile-chips li {
  padding: 5px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(13, 17, 20, 0.1);
  background: rgba(13, 17, 20, 0.06);
  font-size: 13px;
}

.page-home .tile-more {
  display: inline-block;
  color: var(--c-red);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid rgba(176, 18, 43, 0.3);
  padding-bottom: 2px;
}

.page-home .tile-more:hover {
  border-bottom-color: var(--c-red);
}

/* ---------- 速度线过渡 ---------- */
.page-home .rush {
  max-width: var(--home-max);
  height: 44px;
  margin: clamp(30px, 6vw, 62px) auto;
}

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

.page-home .rush path {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

.page-home .rush path:nth-child(1) { stroke: rgba(230, 184, 74, 0.5); }
.page-home .rush path:nth-child(2) { stroke: rgba(22, 196, 127, 0.42); }
.page-home .rush path:nth-child(3) { stroke: rgba(176, 18, 43, 0.62); }

/* ---------- 章节骨架 ---------- */
.page-home .block {
  max-width: var(--home-max);
  margin: clamp(44px, 8vw, 84px) auto 0;
}

.page-home .chapter {
  max-width: var(--home-max);
  margin: 0 auto;
}

.page-home .block-lead {
  max-width: 60ch;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.page-home .block-foot {
  margin: 22px 0 0;
}

/* ---------- 01 清单网格 ---------- */
.page-home .cl-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-home .cl-card {
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(42, 50, 56, 0.9), rgba(13, 17, 20, 0.92));
  padding: 15px 16px;
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-home .cl-card:hover {
  border-color: rgba(230, 184, 74, 0.36);
  transform: translateY(-2px);
}

.page-home .cl-card[open] {
  border-color: rgba(230, 184, 74, 0.48);
}

.page-home .cl-head {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

.page-home .cl-head::-webkit-details-marker {
  display: none;
}

.page-home .cl-head::after {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-left: 2px;
  border-right: 2px solid var(--c-gold);
  border-bottom: 2px solid var(--c-gold);
  transform: rotate(45deg);
  transition: transform var(--dur) ease;
}

.page-home .cl-card[open] .cl-head::after {
  transform: rotate(-135deg);
}

.page-home .cl-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  color: var(--c-gold);
}

.page-home .cl-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-home .cl-text {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 02 重排 ---------- */
.page-home .reflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 22px;
}

.page-home .reflow-copy p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.82;
}

.page-home .reflow-points {
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .reflow-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(42, 50, 56, 0.5);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-paper);
}

.page-home .reflow-points .dot {
  margin-top: 6px;
  flex: none;
}

.page-home .reflow-figure {
  margin: 0;
}

.page-home .media {
  border-radius: var(--r-card);
  overflow: hidden;
}

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

/* ---------- 03 版本轨道 ---------- */
.page-home .vt-items {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .vt-item {
  position: relative;
  padding: 20px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(13, 17, 20, 0.94), rgba(42, 50, 56, 0.72));
}

.page-home .vt-item:last-child {
  border-color: rgba(230, 184, 74, 0.42);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(230, 184, 74, 0.22), transparent 62%),
    linear-gradient(155deg, rgba(176, 18, 43, 0.42), rgba(13, 17, 20, 0.96));
}

.page-home .vt-tag {
  display: inline-block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--muted-2);
}

.page-home .vt-tag--v3 {
  color: var(--c-gold);
  font-size: 42px;
}

.page-home .vt-item h3 {
  margin: 10px 0 6px;
  font-size: 18px;
  color: var(--c-paper);
}

.page-home .vt-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.page-home .vt-figure {
  margin: 22px 0 0;
}

/* ---------- 04 终端 ---------- */
.page-home .device-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .device-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(42, 50, 56, 0.7), rgba(13, 17, 20, 0.85));
  font-size: 15px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-home .stat-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 4vw, 34px);
}

.page-home .stat-band .stat {
  padding: 16px 18px;
  border-radius: var(--r-card);
  border: 1px solid rgba(22, 196, 127, 0.26);
  background:
    radial-gradient(120% 120% at 0% 100%, rgba(22, 196, 127, 0.2), transparent 60%),
    linear-gradient(150deg, rgba(42, 50, 56, 0.8), rgba(13, 17, 20, 0.92));
}

.page-home .stat-unit {
  font-size: 15px;
  margin-left: 3px;
  color: var(--c-green-soft);
}

/* ---------- 05 三步 ---------- */
.page-home .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .step {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 22px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(42, 50, 56, 0.86), rgba(13, 17, 20, 0.95));
}

.page-home .step::after {
  content: "";
  position: absolute;
  right: 20px;
  bottom: 0;
  width: 64px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--c-green), rgba(22, 196, 127, 0));
}

.page-home .step-num {
  display: inline-block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  color: var(--c-gold);
}

.page-home .step h3 {
  margin: 12px 0 6px;
  font-size: 19px;
  color: var(--c-paper);
}

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

.page-home .start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 收尾 ---------- */
.page-home .closing {
  max-width: var(--home-max);
  margin: clamp(52px, 9vw, 96px) auto 0;
  padding: clamp(26px, 5vw, 52px);
  border-radius: var(--r-block);
  border: 1px solid rgba(230, 184, 74, 0.28);
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(176, 18, 43, 0.88), transparent 62%),
    linear-gradient(150deg, var(--c-ink), var(--c-red-deep));
  box-shadow: var(--shadow-2);
}

.page-home .closing-kicker {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-home .closing-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.2;
  color: var(--c-paper);
}

.page-home .closing-text {
  max-width: 56ch;
  margin: 0 0 22px;
  color: rgba(245, 248, 246, 0.78);
  font-size: 16px;
  line-height: 1.78;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .collage-tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .tile--download {
    grid-column: 1 / -1;
  }

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

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

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

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

@media (min-width: 900px) {
  .page-home .collage {
    grid-template-columns: 36fr 64fr;
    gap: 24px;
    align-items: stretch;
  }

  .page-home .collage-slab {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-bottom: 0;
  }

  .page-home .slab-figure {
    margin-top: auto;
    height: 210px;
  }

  .page-home .collage-tiles {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    grid-template-rows: auto auto;
    align-content: start;
  }

  .page-home .tile--status {
    grid-column: 1;
    grid-row: 1;
    margin-top: 34px;
  }

  .page-home .tile--download {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
  }

  .page-home .tile--index {
    grid-column: 1;
    grid-row: 2;
  }

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

  .page-home .reflow-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 34px;
    align-items: start;
  }

  .page-home .vt-items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .device-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .cl-grid {
    gap: 14px;
  }

  .page-home .steps {
    gap: 20px;
  }
}

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

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