.page-home {
  --home-slant: -6deg;
  --home-gap: clamp(1.5rem, 3vw, 3rem);
  display: block;
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(2.25rem, 5vw, 4rem) 0 clamp(5rem, 10vw, 8.5rem);
  background:
    radial-gradient(120% 78% at 80% 4%, rgba(255, 106, 26, .17), transparent 58%),
    radial-gradient(95% 72% at 8% 96%, rgba(47, 196, 178, .15), transparent 62%),
    linear-gradient(160deg, var(--ink) 0%, var(--ink-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.75rem), 0 100%);
  overflow: hidden;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: center;
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--flare-soft);
  text-transform: none;
}

.page-home .kicker-dot {
  width: 8px;
  height: 8px;
  background: var(--flare);
  transform: rotate(45deg);
}

.page-home .hero-title {
  margin: 0 0 1rem;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4.5rem);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--text-strong);
}

.page-home .hero-title .hl {
  display: inline-block;
  color: var(--flare);
  text-shadow: 0 0 34px rgba(255, 106, 26, .35);
}

.page-home .hero-lede {
  max-width: 34em;
  margin: 0 0 1.6rem;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.75;
  color: var(--text);
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 1.75rem;
}

.page-home .hero-stat {
  background: var(--surface-2);
  padding: .95rem .85rem;
}

.page-home .stat-num {
  display: block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  line-height: 1;
  color: var(--flare);
  letter-spacing: -.02em;
}

.page-home .stat-num.sm {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  color: var(--flare-soft);
}

.page-home .stat-cap {
  display: block;
  margin-top: .45rem;
  font-size: .82rem;
  line-height: 1.4;
  color: var(--text-dim);
}

.page-home .hero-actions,
.page-home .start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-home .hero-visual {
  position: relative;
}

.page-home .court-frame {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--felt) 0%, var(--ink-deep) 100%);
  box-shadow: 0 30px 70px -34px rgba(0, 0, 0, .9);
}

.page-home .court-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .78;
}

.page-home .court-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-home .court-svg .trail {
  fill: none;
  stroke: var(--flare);
  stroke-width: 2;
  stroke-dasharray: 7 6;
  stroke-linecap: round;
  opacity: .9;
}

.page-home .court-svg .node {
  fill: var(--ink-deep);
  stroke: var(--ping);
  stroke-width: 2;
}

.page-home .court-svg .node--hot {
  fill: var(--flare);
  stroke: var(--flare-soft);
}

.page-home .court-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: .55rem .8rem;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--text-strong);
  background: linear-gradient(180deg, transparent, rgba(7, 38, 40, .92));
}

/* ---------- 数字带 ---------- */
.page-home .stat-band {
  background: var(--ink-deep);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 1rem 0;
}

.page-home .stat-band-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem 1.25rem;
}

.page-home .band-item {
  display: flex;
  align-items: baseline;
  gap: .55rem;
}

.page-home .band-item .stat-cap {
  margin-top: 0;
}

/* ---------- 版本时间轴 ---------- */
.page-home .home-version {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-home .section-head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .section-kicker {
  margin: 0 0 .6rem;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--ping);
}

.page-home .section-title {
  margin: 0 0 .7rem;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-home .section-note {
  margin: 0;
  font-size: .98rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-home .timeline-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.page-home .timeline {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 1fr);
  gap: 0;
  margin: 0;
  padding: 0 0 .75rem;
  list-style: none;
}

.page-home .tl-node {
  position: relative;
  padding: 3.35rem 1rem 1.1rem;
  outline: none;
  scroll-snap-align: start;
}

.page-home .tl-node::before {
  content: "";
  position: absolute;
  top: 2.45rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--line);
}

.page-home .tl-node::after {
  content: "";
  position: absolute;
  top: calc(2.45rem - 4px);
  left: 1rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--ping);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-home .tl-node:hover::after,
.page-home .tl-node:focus-visible::after {
  background: var(--flare);
  border-color: var(--flare);
}

.page-home .tl-node:focus-visible {
  box-shadow: inset 0 0 0 2px var(--flare);
}

.page-home .tl-ver {
  display: block;
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--flare);
}

.page-home .tl-year {
  display: block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--text-strong);
}

.page-home .tl-name {
  display: block;
  margin-top: .3rem;
  font-size: .95rem;
  color: var(--text);
}

.page-home .tl-pop {
  margin-top: .8rem;
  padding: .8rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.page-home .tl-pop p {
  margin: 0 0 .45rem;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-home .tl-pop p:last-child {
  margin-bottom: 0;
}

/* ---------- 产品线 ---------- */
.page-home .home-lines {
  padding: clamp(2.75rem, 6vw, 5rem) 0;
  background:
    linear-gradient(174deg, var(--ink-deep) 0%, var(--ink) 42%, var(--ink-deep) 100%);
}

.page-home .line-media {
  margin: 0 0 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-home .lines-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .line-card {
  padding: 1.25rem 1.15rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, .85);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-home .line-card:hover,
.page-home .line-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--ping);
  box-shadow: 0 26px 52px -30px rgba(0, 0, 0, .95);
}

.page-home .line-name {
  margin: .85rem 0 .5rem;
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-strong);
}

.page-home .line-for {
  margin: 0 0 .85rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--flare-soft);
}

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

.page-home .line-points li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: .5rem;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--text);
}

.page-home .line-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 6px;
  height: 6px;
  background: var(--ping);
}

.page-home .lines-foot {
  margin: 1.5rem 0 0;
}

.page-home .text-link {
  display: inline-block;
  color: var(--flare);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 26, .45);
  padding-bottom: 2px;
  font-size: .92rem;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

/* ---------- 包装规格 ---------- */
.page-home .home-packs {
  padding: clamp(2.75rem, 6vw, 5rem) 0;
  background: var(--fog);
  color: var(--on-light);
}

.page-home .home-packs .section-kicker {
  color: var(--felt);
}

.page-home .home-packs .section-title {
  color: var(--on-light);
}

.page-home .home-packs .section-note {
  color: rgba(11, 43, 44, .74);
}

.page-home .packs-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-home .pack-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(110, 131, 133, .3);
  border: 1px solid rgba(110, 131, 133, .3);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-home .pack-group {
  padding: 1rem 1rem 1.1rem;
  background: var(--white);
}

.page-home .pack-group-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  margin: 0 0 .7rem;
  font-size: .96rem;
  font-weight: 800;
  color: var(--on-light);
}

.page-home .pack-group-title .num {
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--felt);
  letter-spacing: .04em;
}

.page-home .pack-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-packs .tag {
  color: var(--on-light);
  border-color: rgba(110, 131, 133, .55);
  background: rgba(228, 237, 236, .7);
}

.page-home .packs-media {
  margin: 0;
  border: 1px solid rgba(110, 131, 133, .4);
  border-radius: var(--radius);
  overflow: hidden;
  align-self: start;
}

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

/* ---------- 渠道与售后 ---------- */
.page-home .home-cover {
  padding: clamp(2.75rem, 6vw, 5rem) 0;
  background: var(--ink);
}

.page-home .cover-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home .cover-card {
  position: relative;
  padding: 1.2rem 1.15rem 1.35rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ping);
  border-radius: var(--radius);
  background: var(--surface-2);
  transition: border-left-color .18s var(--ease), background .18s var(--ease);
}

.page-home .cover-card:hover,
.page-home .cover-card:focus-within {
  background: rgba(20, 103, 106, .32);
}

.page-home .cover-card.card-rail {
  border-left-color: var(--rubber);
}

.page-home .cover-num {
  margin: .85rem 0 .35rem;
  font-size: .95rem;
  color: var(--text);
}

.page-home .cover-num .num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1;
  color: var(--text-strong);
  margin-right: .3rem;
}

.page-home .cover-sub {
  margin: 0;
  font-size: .92rem;
  color: var(--text-dim);
}

.page-home .cover-foot {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

.page-home .cover-foot p {
  margin: 0;
  max-width: 46rem;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-home .cover-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* ---------- 最近更新 ---------- */
.page-home .home-log {
  position: relative;
  padding: clamp(2.75rem, 6vw, 5rem) 0;
  background: var(--ink-deep);
  overflow: hidden;
}

.page-home .log-tex {
  position: absolute;
  inset: 0;
  opacity: .16;
  pointer-events: none;
}

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

.page-home .log-inner {
  position: relative;
  z-index: 1;
}

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

.page-home .log-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "issue tag"
    "text  text";
  gap: .45rem .9rem;
  align-items: center;
  padding: 1rem .85rem;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: transform .18s var(--ease), border-left-color .18s var(--ease), background .18s var(--ease);
}

.page-home .log-item:hover,
.page-home .log-item:focus-within {
  transform: translateY(-4px);
  border-left-color: var(--flare);
  background: rgba(20, 103, 106, .2);
}

.page-home .log-issue {
  grid-area: issue;
  font-family: var(--mono);
  font-size: .84rem;
  letter-spacing: .08em;
  color: var(--flare);
}

.page-home .log-item .tag {
  grid-area: tag;
}

.page-home .log-text {
  grid-area: text;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text);
}

.page-home .log-foot {
  margin: 1.5rem 0 0;
}

/* ---------- 下一步 ---------- */
.page-home .home-start {
  padding: clamp(2.75rem, 6vw, 5.5rem) 0 clamp(3.5rem, 7vw, 6rem);
  background:
    radial-gradient(90% 120% at 88% 12%, rgba(255, 106, 26, .18), transparent 60%),
    linear-gradient(200deg, var(--felt) 0%, var(--ink) 58%, var(--ink-deep) 100%);
}

.page-home .start-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-home .start-copy p {
  max-width: 46rem;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.page-home .start-contact {
  padding: 1.25rem 1.15rem 1.35rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--flare);
  border-radius: var(--radius);
  background: rgba(7, 38, 40, .66);
}

.page-home .contact-label {
  margin: 0 0 .75rem;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--flare-soft);
}

.page-home .contact-value {
  margin: 0 0 .4rem;
  font-family: var(--mono);
  font-size: clamp(.92rem, 1.6vw, 1.05rem);
  color: var(--text-strong);
  word-break: break-word;
}

.page-home .contact-note {
  margin: .8rem 0 0;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .stat-band-inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 768px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .hero-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .hero-copy {
    grid-column: 1 / span 8;
  }

  .page-home .hero-visual {
    grid-column: 9 / span 4;
  }

  .page-home .hero-title {
    max-width: 15em;
  }

  .page-home .timeline-scroll {
    overflow: visible;
  }

  .page-home .timeline {
    grid-auto-columns: 1fr;
  }

  .page-home .tl-node {
    padding-left: .9rem;
    padding-right: .9rem;
  }

  .page-home .tl-node::after {
    left: .9rem;
  }

  .page-home .tl-pop {
    position: absolute;
    left: .9rem;
    top: calc(100% - .5rem);
    width: min(270px, 24vw);
    z-index: 6;
    margin-top: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    background: var(--ink-deep);
    box-shadow: 0 24px 48px -26px rgba(0, 0, 0, .95);
    transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s var(--ease);
  }

  .page-home .tl-node:hover .tl-pop,
  .page-home .tl-node:focus .tl-pop,
  .page-home .tl-node:focus-within .tl-pop {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

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

  .page-home .line-card.card-lift {
    transform: translateY(22px);
  }

  .page-home .line-card.card-lift:hover,
  .page-home .line-card.card-lift:focus-within {
    transform: translateY(18px);
  }

  .page-home .line-card.card-lift-2 {
    transform: translateY(44px);
  }

  .page-home .line-card.card-lift-2:hover,
  .page-home .line-card.card-lift-2:focus-within {
    transform: translateY(40px);
  }

  .page-home .lines-foot {
    margin-top: 3.5rem;
  }

  .page-home .packs-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2rem;
  }

  .page-home .cover-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-home .log-item {
    grid-template-columns: 8rem 1fr auto;
    grid-template-areas: "issue text tag";
    gap: .5rem 1.25rem;
  }

  .page-home .start-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1280px) {
  .page-home .tl-pop {
    width: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .line-card,
  .page-home .log-item,
  .page-home .tl-pop,
  .page-home .tl-node::after {
    transition: none;
  }
}
</main>