.page-home {
  --home-gap: clamp(14px, 2vw, 24px);
  --home-pad: clamp(18px, 2.6vw, 32px);
  --home-sec: clamp(44px, 7vw, 96px);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  padding-top: clamp(16px, 2.6vw, 28px);
  padding-bottom: clamp(36px, 6vw, 76px);
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(110% 78% at 88% 0%, rgba(45, 226, 230, 0.18), transparent 62%),
    radial-gradient(86% 66% at 2% 22%, rgba(255, 90, 31, 0.15), transparent 64%),
    linear-gradient(180deg, var(--c-ink) 0%, #1b0f3a 58%, var(--c-ink) 100%);
}
.page-home .home-hero > .container {
  position: relative;
  z-index: 1;
}

.page-home .hero-collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-home .hero-main {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 20px);
}
.page-home .hero-main h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 60px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}
.page-home .hero-main .lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-home .alert-band {
  display: grid;
  gap: 10px;
  padding: var(--home-pad);
  border: 1px solid rgba(255, 90, 31, 0.46);
  border-left: 4px solid var(--c-orange);
  background:
    linear-gradient(135deg, rgba(255, 90, 31, 0.22), rgba(36, 18, 77, 0.9) 58%),
    var(--surface-raised);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.page-home .alert-band__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-orange);
}
.page-home .alert-band__lamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.18);
  animation: home-lamp 2.6s ease-in-out infinite;
}
@keyframes home-lamp {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.78); }
}
.page-home .alert-band__date {
  display: flex;
  align-items: baseline;
  gap: 3px;
  margin: 0;
  font-family: var(--font-mono);
  color: var(--c-gold);
}
.page-home .alert-band__num {
  font-size: clamp(42px, 7vw, 78px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.02em;
}
.page-home .alert-band__unit {
  font-size: clamp(14px, 1.6vw, 19px);
  color: var(--c-paper);
  margin-right: 10px;
}
.page-home .alert-band__unit:last-child { margin-right: 0; }
.page-home .alert-band__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-paper);
}
.page-home .alert-band .btn { justify-self: start; }

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

.page-home .hero-visual {
  margin: 0;
  min-height: 0;
}
.page-home .hero-visual .media-frame {
  position: relative;
  height: 100%;
  min-height: 200px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
}
.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hero-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}
.page-home .hero-tile {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-cyan);
  background: linear-gradient(160deg, rgba(45, 226, 230, 0.1), transparent 68%), var(--surface-raised);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-home .hero-tile__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}
.page-home .hero-tile__value {
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--c-paper);
}
.page-home .hero-tile__meta {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--c-haze);
}

/* ---------- 章节头 ---------- */
.page-home .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 6px 14px;
  padding-bottom: 16px;
  margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}
.page-home .sec-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}
.page-home .sec-head h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 31px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}
.page-home .sec-head p {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  max-width: 72ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 固定分类入口 ---------- */
.page-home .home-rail {
  position: relative;
  padding-block: var(--home-sec);
}
.page-home .home-rail::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-gold), transparent 68%);
  opacity: 0.45;
}
.page-home .rail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}
.page-home .rail-figure { margin: 0; }
.page-home .rail-figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-home .rail-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  align-content: start;
}
.page-home .rail-entry a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background: var(--surface-raised);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-home .rail-entry__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  transition: color var(--dur) var(--ease);
}
.page-home .rail-entry__name {
  font-size: 16.5px;
  font-weight: 800;
  color: var(--c-paper);
}
.page-home .rail-entry__desc {
  flex: 1 1 15ch;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 服务清单速览 ---------- */
.page-home .home-services {
  position: relative;
  padding-block: var(--home-sec);
  background: linear-gradient(180deg, transparent 0%, rgba(36, 18, 77, 0.66) 12%, rgba(36, 18, 77, 0.66) 88%, transparent 100%);
}
.page-home .svc-blocks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}
.page-home .svc-block {
  --accent: var(--c-cyan);
  padding: 20px 18px 22px;
  border-top: 3px solid var(--accent);
  background: linear-gradient(180deg, rgba(45, 226, 230, 0.1), rgba(36, 18, 77, 0.92) 58%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.page-home .svc-block:nth-child(1) { --accent: var(--c-cyan); }
.page-home .svc-block:nth-child(2) { --accent: var(--c-gold); }
.page-home .svc-block:nth-child(3) { --accent: var(--c-orange); }
.page-home .svc-block:nth-child(4) { --accent: var(--c-mint); }
.page-home .svc-block:nth-child(5) { --accent: var(--c-haze); }
.page-home .svc-block__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.page-home .svc-block h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-paper);
}
.page-home .svc-block p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-home .rule-steps {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 42px);
  padding: var(--home-pad);
  border: 1px solid rgba(45, 226, 230, 0.3);
  border-left: 4px solid var(--c-cyan);
  background: rgba(45, 226, 230, 0.06);
}
.page-home .rule-steps__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-paper);
}
.page-home .rule-steps__note {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}
.page-home .rule-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .rule-steps__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--c-paper);
}
.page-home .rule-steps__list span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-ink);
  background: var(--c-cyan);
  padding: 2px 7px;
}
.page-home .rule-steps .btn { justify-self: start; }

/* ---------- 版本说明时间轴 ---------- */
.page-home .home-timeline {
  position: relative;
  padding-block: var(--home-sec);
}
.page-home .tl-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  aspect-ratio: 1200 / 380;
  overflow: hidden;
  border: 1px solid var(--line);
}
.page-home .tl-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .tl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-home .tl-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}
.page-home .tl-item__dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(45, 226, 230, 0.14);
}
.page-home .tl-item:nth-child(2) .tl-item__dot { background: var(--c-gold); box-shadow: 0 0 0 4px rgba(247, 201, 72, 0.14); }
.page-home .tl-item:nth-child(3) .tl-item__dot { background: var(--c-orange); box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.14); }
.page-home .tl-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.page-home .tl-item__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-haze);
}
.page-home .tl-item h3 {
  margin: 10px 0 8px;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-paper);
}
.page-home .tl-item__summary {
  margin: 0 0 8px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--text-dim);
}
.page-home .tl-item__scope {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-haze);
}
.page-home .tl-item__link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-home .tl-foot {
  margin: clamp(24px, 4vw, 38px) 0 0;
}

/* ---------- 快速访问与联系 ---------- */
.page-home .home-help {
  padding-block: var(--home-sec);
}
.page-home .help-beam {
  margin: 0 0 clamp(24px, 4vw, 40px);
  aspect-ratio: 1600 / 300;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 30px 100%, 0 calc(100% - 30px));
}
.page-home .help-beam img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}
.page-home .help-card {
  display: grid;
  align-content: start;
  gap: 9px;
  padding: var(--home-pad);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background: var(--surface-raised);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-home .help-card h3 {
  margin: 0;
  font-size: 18.5px;
  font-weight: 800;
  color: var(--c-paper);
}
.page-home .help-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-dim);
}
.page-home .help-card__go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}
.page-home .help-mail {
  display: grid;
  gap: 10px;
  padding: var(--home-pad);
  border: 1px dashed var(--line-strong);
  border-top: 3px solid var(--c-orange);
  background: linear-gradient(140deg, rgba(255, 90, 31, 0.13), transparent 62%), var(--c-ink-2);
}
.page-home .help-mail__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-orange);
}
.page-home .help-mail__value {
  margin: 0;
  font-size: clamp(14px, 2.2vw, 19px);
  color: var(--c-paper);
  word-break: break-all;
}
.page-home .help-mail .btn { justify-self: start; }

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-home .hero-tiles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .svc-blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .rule-steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-home .hero-collage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-areas:
      "main main main main main main main vis vis vis vis vis"
      "tiles tiles tiles tiles tiles tiles tiles tiles tiles tiles tiles tiles";
    align-items: stretch;
  }
  .page-home .hero-main { grid-area: main; }
  .page-home .hero-visual { grid-area: vis; }
  .page-home .hero-tiles { grid-area: tiles; }

  .page-home .rail-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
  .page-home .svc-blocks {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: start;
  }
  .page-home .svc-block:nth-child(1) { margin-top: 0; }
  .page-home .svc-block:nth-child(2) { margin-top: 16px; }
  .page-home .svc-block:nth-child(3) { margin-top: 32px; }
  .page-home .svc-block:nth-child(4) { margin-top: 16px; }
  .page-home .svc-block:nth-child(5) { margin-top: 0; }

  .page-home .rule-steps {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) auto;
    align-items: center;
    gap: 20px;
  }
  .page-home .rule-steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .help-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .help-mail {
    grid-column: 1 / -1;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }
  .page-home .help-mail .btn { justify-self: end; }
}

/* ---------- 悬停反馈 ---------- */
@media (hover: hover) and (pointer: fine) {
  .page-home .hero-tile:hover {
    border-left-color: var(--c-orange);
    transform: translateY(-2px);
  }
  .page-home .rail-entry a:hover {
    border-color: var(--c-cyan);
    background: linear-gradient(90deg, rgba(45, 226, 230, 0.1), transparent 62%), var(--surface-raised);
  }
  .page-home .rail-entry a:hover .rail-entry__num { color: var(--c-cyan); }
  .page-home .help-card:hover {
    border-color: var(--c-cyan);
    transform: translateY(-2px);
  }
  .page-home .tl-item__link:hover {
    color: var(--c-gold);
    border-color: var(--c-gold);
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .alert-band__lamp { animation: none; }
  .page-home .hero-tile,
  .page-home .help-card,
  .page-home .rail-entry a,
  .page-home .rail-entry__num,
  .page-home .tl-item__link {
    transition: none;
  }
  .page-home .hero-tile:hover,
  .page-home .help-card:hover {
    transform: none;
  }
}
<<<END>>>