.page-home {
  --home-section-y: clamp(48px, 8vw, 104px);
  background: var(--deep);
  color: var(--dust);
  overflow-x: clip;
}

.page-home .page-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding-top: clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--text-55);
}

.page-home .page-context__mark {
  color: var(--gold);
}

.page-home .page-context__dot {
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--line-strong);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 46px) 0 clamp(48px, 8vw, 104px);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 70% at 20% 6%, rgba(62, 224, 207, .10), transparent 62%),
    radial-gradient(78% 78% at 90% 94%, rgba(255, 63, 142, .13), transparent 64%),
    linear-gradient(180deg, rgba(8, 5, 15, .40), var(--deep) 90%);
  pointer-events: none;
}

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

.page-home .hero__head {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 4vw, 42px);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.4vw, 5.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--dust);
}

.page-home .hero__title-sub {
  display: block;
  margin-top: 12px;
  font-size: clamp(.95rem, 2.9vw, 1.45rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--cyan);
}

.page-home .hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text-70);
}

.page-home .hero__side {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-55);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-home .hero__cta {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-home .hero__collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(32px, 5vw, 56px);
}

.page-home .tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(36, 22, 69, .92), rgba(8, 5, 15, .88));
  color: var(--dust);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-home .tile::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 48px;
  background: var(--tile-accent, var(--cyan));
}

.page-home .tile--a { --tile-accent: var(--magenta); }
.page-home .tile--b { --tile-accent: var(--cyan); }
.page-home .tile--c { --tile-accent: var(--gold); }

.page-home .tile:hover,
.page-home .tile:focus-visible {
  border-color: var(--tile-accent, var(--cyan));
  transform: translateY(-3px);
}

.page-home .tile:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .tile__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--tile-accent, var(--cyan));
}

.page-home .tile__name {
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .tile__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-70);
}

.page-home .tile__go {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--tile-accent, var(--cyan));
}

.page-home .hero__stats {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
}

.page-home .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  letter-spacing: .02em;
  color: var(--dust);
}

.page-home .stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--text-55);
}

/* ---------- 活动主题带 ---------- */

.page-home .band {
  position: relative;
  overflow: hidden;
  margin: clamp(48px, 8vw, 96px) 0;
  padding: clamp(40px, 6vw, 76px) 0 clamp(32px, 5vw, 56px);
  background: var(--nebula);
}

.page-home .band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-home .band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(96deg, rgba(255, 63, 142, .16), rgba(8, 5, 15, .1) 52%, rgba(8, 5, 15, .72));
  pointer-events: none;
}

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

.page-home .band__lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-70);
}

.page-home .band__rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 6px 0 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.page-home .band__rail::-webkit-scrollbar { height: 6px; }
.page-home .band__rail::-webkit-scrollbar-track { background: transparent; }
.page-home .band__rail::-webkit-scrollbar-thumb { background: var(--line-strong); }

.page-home .band__rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-home .band__card {
  flex: 0 0 min(80vw, 320px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid rgba(255, 63, 142, .35);
  background: rgba(8, 5, 15, .76);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .band__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--magenta);
}

.page-home .band__title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--dust);
}

.page-home .band__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-70);
}

/* ---------- 快速访问矩阵 ---------- */

.page-home .matrix {
  position: relative;
  padding: var(--home-section-y) 0;
}

.page-home .matrix::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(154, 147, 184, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 147, 184, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(72% 60% at 50% 38%, #000, transparent 78%);
  mask-image: radial-gradient(72% 60% at 50% 38%, #000, transparent 78%);
  pointer-events: none;
}

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

.page-home .matrix .section-head,
.page-home .steps .section-head,
.page-home .versions .section-head {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-home .matrix__lede {
  margin: 0 0 clamp(26px, 4vw, 42px);
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-70);
}

.page-home .matrix__figure {
  margin: 0 0 clamp(28px, 4vw, 46px);
}

.page-home .matrix__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-home .matrix__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-55);
}

.page-home .matrix__groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .matrix__group {
  --group-accent: var(--cyan);
}

.page-home .matrix__group--live {
  --group-accent: var(--magenta);
}

.page-home .matrix__group--help {
  --group-accent: var(--gold);
}

.page-home .matrix__group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--group-accent);
}

.page-home .matrix__group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

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

.page-home .node {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--group-accent);
  background: rgba(21, 12, 43, .55);
  color: var(--dust);
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-home .node:hover,
.page-home .node:focus-visible {
  background: rgba(36, 22, 69, .85);
  border-color: var(--group-accent);
  transform: translateX(3px);
}

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

.page-home .node__no {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--group-accent);
}

.page-home .node__name {
  font-size: 15px;
  font-weight: 600;
}

.page-home .node__note {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-55);
  transition: color 180ms var(--ease);
}

.page-home .node:hover .node__note,
.page-home .node:focus-visible .node__note {
  color: var(--text-70);
}

/* ---------- 两步路径 ---------- */

.page-home .steps {
  padding: var(--home-section-y) 0;
}

.page-home .steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-home .steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: step;
}

.page-home .steps__item {
  position: relative;
  padding: 22px 20px 22px 66px;
  border: 1px solid var(--line);
  background: rgba(21, 12, 43, .5);
}

.page-home .steps__item::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 20px;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-home .steps__item-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dust);
}

.page-home .steps__item-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-70);
}

.page-home .steps__link {
  margin: 14px 0 0;
  font-size: 13.5px;
}

.page-home .steps__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 224, 207, .4);
  padding-bottom: 2px;
}

.page-home .steps__link a:hover,
.page-home .steps__link a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-home .steps__panel {
  padding: clamp(24px, 3.5vw, 38px);
  background: var(--paper);
  color: var(--paper-ink);
}

.page-home .steps__panel-title {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--paper-ink);
}

.page-home .steps__panel-lede {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(27, 21, 38, .78);
}

.page-home .steps__facts {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-home .steps__facts > div {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(27, 21, 38, .16);
}

.page-home .steps__facts > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .steps__facts dt {
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: rgba(27, 21, 38, .58);
}

.page-home .steps__facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-ink);
}

/* ---------- 版本对照 ---------- */

.page-home .versions {
  padding: var(--home-section-y) 0;
}

.page-home .versions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

.page-home .versions__figure {
  margin: 0;
}

.page-home .versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-home .versions__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-55);
}

.page-home .versions__list {
  display: block;
}

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

.page-home .version:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-home .version summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}

.page-home .version summary::-webkit-details-marker {
  display: none;
}

.page-home .version summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-home .version[open] summary::after {
  content: "–";
}

.page-home .version__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-home .version__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dust);
  transition: color 180ms var(--ease);
}

.page-home .version summary:hover .version__name,
.page-home .version summary:focus-visible .version__name {
  color: var(--cyan);
}

.page-home .version summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .version__year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-55);
}

.page-home .version__body {
  padding: 0 4px 22px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-70);
}

/* ---------- 服务条 ---------- */

.page-home .service {
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(40px, 6vw, 76px) 0;
  background: var(--nebula);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-home .service__title {
  margin: 0 0 14px;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--dust);
}

.page-home .service__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-70);
}

.page-home .service__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .service__facts li {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-home .service__fact-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: .03em;
  color: var(--dust);
}

.page-home .service__fact-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-55);
}

.page-home .service__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  align-content: start;
}

.page-home .service__link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 224, 207, .4);
  padding-bottom: 2px;
}

.page-home .service__link:hover,
.page-home .service__link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 收束 ---------- */

.page-home .home-end {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: clamp(40px, 6vw, 72px) clamp(18px, 4vw, 40px) clamp(48px, 7vw, 84px);
  text-align: center;
}

.page-home .home-end__star {
  width: 34px;
  height: 34px;
  color: var(--gold);
  opacity: .9;
}

.page-home .home-end__text {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-70);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .hero__collage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .tile--a {
    grid-column: span 5;
    min-height: 230px;
  }

  .page-home .tile--b {
    grid-column: span 4;
    margin-top: 28px;
    min-height: 186px;
  }

  .page-home .tile--c {
    grid-column: span 3;
    margin-top: 56px;
    min-height: 164px;
  }

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

  .page-home .service__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
  }

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

@media (min-width: 900px) {
  .page-home .hero__head {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: end;
    gap: 40px;
  }

  .page-home .hero__side {
    writing-mode: vertical-rl;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 14px;
    letter-spacing: .22em;
    justify-self: end;
  }

  .page-home .matrix__groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-home .steps__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-home .service__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-home .service__links {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-start;
  }
}
<<<END>>>