.page-home {
  --home-rail: 220px;
  --home-cut: 18px;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 0 60px;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -20%;
  right: -14%;
  width: 70%;
  height: 138%;
  background: linear-gradient(158deg, rgba(201, 162, 75, .17), rgba(201, 162, 75, 0) 60%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -6%;
  bottom: -14%;
  width: 42%;
  height: 62%;
  background: linear-gradient(20deg, rgba(110, 31, 38, .34), rgba(110, 31, 38, 0) 72%);
  clip-path: polygon(0 26%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .hero-slash {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-gold) 28%, rgba(201, 162, 75, .06) 88%);
}

.page-home .hero-grid {
  display: grid;
  gap: 34px;
  margin-top: 22px;
}

.page-home .home-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(29px, 6.4vw, 52px);
  line-height: 1.2;
  letter-spacing: .004em;
  color: var(--sand);
}

.page-home .hero-lede {
  max-width: 46ch;
  margin: 20px 0 0;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--silver);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-facts {
  list-style: none;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 14px 22px;
}

.page-home .hero-facts li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .hero-facts .mono {
  color: var(--gold-hi);
  font-size: 15px;
  letter-spacing: .04em;
}

.page-home .hero-plate {
  position: relative;
  margin: 0;
  padding: 8px;
  background: linear-gradient(150deg, rgba(201, 162, 75, .3), rgba(110, 31, 38, .34));
  clip-path: polygon(var(--home-cut) 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%, 0 var(--home-cut));
}

.page-home .hero-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  clip-path: polygon(var(--home-cut) 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%, 0 var(--home-cut));
}

.page-home .hero-plate .stamp {
  position: absolute;
  left: 26px;
  bottom: 20px;
  color: var(--gold-hi);
  letter-spacing: .16em;
  font-size: 12px;
  text-shadow: 0 1px 6px rgba(11, 12, 14, .9);
}

/* ---------- 通用小件 ---------- */
.page-home .section-lede {
  max-width: 58ch;
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-home .home-recent h2,
.page-home .home-tablet h2,
.page-home .home-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.28;
  color: var(--sand);
}

.page-home .recent-more {
  margin: 30px 0 0;
}

.page-home .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-gold);
  color: var(--gold-hi);
  font-size: 14.5px;
  transition: color var(--dur), border-color var(--dur);
}

.page-home .link-arrow .cta-arrow {
  transition: transform var(--dur);
}

.page-home .link-arrow:hover {
  color: var(--sand);
  border-color: var(--sand);
}

.page-home .link-arrow:hover .cta-arrow {
  transform: translateX(5px);
}

/* ---------- 双轨区 ---------- */
.page-home .home-recent {
  padding: 54px 0 68px;
}

.page-home .page-shell {
  display: grid;
  gap: 30px;
}

.page-home .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .rail-node {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  transition: border-color var(--dur), color var(--dur), background var(--dur);
}

.page-home .rail-node .mono {
  margin-left: 6px;
  color: var(--silver);
  font-size: 12.5px;
}

.page-home .rail-node[data-current="true"] {
  border-color: var(--line-gold);
  background: rgba(201, 162, 75, .08);
  color: var(--gold-hi);
}

.page-home .rail-node[data-current="true"] .mono {
  color: var(--gold-hi);
}

.page-home .rail-total {
  margin: 16px 0 0;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-home .rail-total .mono {
  color: var(--gold);
  font-size: 15px;
}

/* ---------- 时间轴 ---------- */
.page-home .recent-texture {
  margin: 26px 0 30px;
  max-height: 118px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-home .recent-texture img {
  display: block;
  width: 100%;
  height: 118px;
  object-fit: cover;
  opacity: .55;
}

.page-home .home-timeline {
  margin-top: 6px;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.page-home .tl-band + .tl-band {
  margin-top: 38px;
}

.page-home .tl-band-label {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--gold-hi);
}

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

.page-home .tl-item {
  position: relative;
  padding: 15px 0 16px;
  border-bottom: 1px solid var(--line);
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  left: -27.5px;
  top: 23px;
  width: 7px;
  height: 7px;
  background: var(--silver);
  opacity: .42;
  transform: rotate(45deg);
  transition: background var(--dur), opacity var(--dur);
}

.page-home .tl-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 75, 0));
  transition: width 220ms ease;
}

.page-home .tl-item:hover::before {
  background: var(--gold-hi);
  opacity: 1;
}

.page-home .tl-item:hover::after {
  width: 100%;
}

.page-home .tl-item .plate-tag {
  display: inline-block;
  margin-bottom: 9px;
}

.page-home .tl-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--sand);
}

.page-home .tl-item .stamp {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
}

/* ---------- 五分区索引 ---------- */
.page-home .home-index {
  padding: 62px 0 70px;
}

.page-home .home-index .part-no {
  color: var(--crimson);
}

.page-home .home-index h2,
.page-home .home-versions h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.28;
  color: var(--ink);
}

.page-home .home-index .section-lede,
.page-home .home-versions .section-lede {
  color: rgba(11, 12, 14, .66);
}

.page-home .home-index .divider-rule,
.page-home .home-versions .divider-rule {
  margin: 26px 0 0;
  background: linear-gradient(90deg, var(--crimson), rgba(110, 31, 38, 0) 78%);
}

.page-home .index-grid {
  display: grid;
  gap: 34px;
}

.page-home .index-figure {
  position: relative;
  margin: 0;
}

.page-home .index-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid rgba(11, 12, 14, .18);
  clip-path: polygon(0 0, calc(100% - var(--home-cut)) 0, 100% var(--home-cut), 100% 100%, var(--home-cut) 100%, 0 calc(100% - var(--home-cut)));
}

.page-home .index-cap {
  display: block;
  margin-top: 12px;
  color: rgba(11, 12, 14, .5);
  letter-spacing: .14em;
  font-size: 12px;
}

.page-home .index-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-home .index-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 12px 18px 0;
  border-top: 1px solid rgba(11, 12, 14, .14);
  transition: background var(--dur), padding-left var(--dur);
}

.page-home .index-item:last-child {
  border-bottom: 1px solid rgba(11, 12, 14, .14);
}

.page-home .index-item:hover {
  background: rgba(11, 12, 14, .04);
  padding-left: 12px;
}

.page-home .index-no {
  padding-top: 3px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--crimson);
}

.page-home .index-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 18.5px;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .index-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(11, 12, 14, .68);
}

/* ---------- 平板对照 ---------- */
.page-home .home-tablet {
  padding: 62px 0 70px;
}

.page-home .tablet-grid {
  display: grid;
  gap: 34px;
}

.page-home .orient-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .orient-card {
  padding: 22px 22px 22px 24px;
  background: linear-gradient(180deg, rgba(42, 49, 56, .58), rgba(20, 22, 26, .88));
  border-left: 2px solid var(--crimson);
  transition: border-color var(--dur), transform var(--dur);
}

.page-home .orient-card--vert {
  border-left-color: var(--gold);
}

.page-home .orient-card:hover {
  transform: translateX(4px);
}

.page-home .orient-k {
  margin: 0 0 8px;
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--gold-hi);
}

.page-home .orient-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.45;
  color: var(--sand);
}

.page-home .orient-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-home .tablet-note {
  margin: 22px 0 0;
  padding: 14px 0 14px 16px;
  border-left: 1px solid var(--line-gold);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .tablet-figure {
  margin: 0;
  border: 1px solid var(--line);
}

.page-home .tablet-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

/* ---------- 版本序号 ---------- */
.page-home .home-versions {
  padding: 62px 0 70px;
}

.page-home .home-versions .part-no {
  color: var(--crimson);
}

.page-home .version-anchors {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .version-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid rgba(11, 12, 14, .2);
  background: rgba(255, 255, 255, .5);
  color: var(--ink);
  font-size: 14px;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}

.page-home .version-chip .mono {
  font-size: 17px;
  letter-spacing: .06em;
  color: var(--crimson);
  transition: color var(--dur);
}

.page-home .version-chip:hover,
.page-home .version-chip:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--gold-hi);
}

.page-home .version-chip:hover .mono,
.page-home .version-chip:focus-visible .mono {
  color: var(--gold);
}

.page-home .version-panels {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.page-home .version-panel {
  padding: 24px 22px 26px;
  background: rgba(255, 255, 255, .55);
  border-top: 3px solid var(--slate);
  border-left: 1px solid rgba(11, 12, 14, .1);
  border-right: 1px solid rgba(11, 12, 14, .1);
  border-bottom: 1px solid rgba(11, 12, 14, .1);
  transition: border-top-color var(--dur), background var(--dur), box-shadow var(--dur);
}

.page-home .version-panel:hover {
  border-top-color: var(--crimson);
}

.page-home .version-panel:target {
  border-top-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 2px rgba(201, 162, 75, .5);
}

.page-home .v-no {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 38px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-home .version-panel h3 {
  margin: 12px 0 10px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink);
}

.page-home .version-panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(11, 12, 14, .7);
}

.page-home .version-panel .stamp {
  display: block;
  margin-top: 14px;
  font-size: 12.5px;
  color: rgba(11, 12, 14, .48);
}

/* ---------- 联系与信任 ---------- */
.page-home .home-contact {
  padding: 62px 0 76px;
}

.page-home .contact-grid {
  display: grid;
  gap: 34px;
}

.page-home .contact-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-home .contact-list li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .contact-key {
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-home .contact-val {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--sand);
  word-break: break-word;
}

.page-home .contact-tip {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .contact-panel {
  padding: 26px 24px 28px;
  background: linear-gradient(155deg, rgba(201, 162, 75, .14), rgba(20, 22, 26, .92) 58%);
  border: 1px solid var(--line-gold);
  clip-path: polygon(var(--home-cut) 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%, 0 var(--home-cut));
}

.page-home .contact-panel .part-no {
  color: var(--gold-hi);
  margin-bottom: 14px;
}

.page-home .trust-line {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--sand);
}

.page-home .trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .trust-list li {
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .trust-list .mono {
  margin-right: 6px;
  font-size: 16px;
  color: var(--gold-hi);
  letter-spacing: .04em;
}

.page-home .trust-seal {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .orient-list {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-home .version-panels {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 34px 0 84px;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 56px;
    align-items: center;
    margin-top: 44px;
  }

  .page-home .index-grid {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .tablet-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 56px;
    align-items: center;
  }

  .page-home .contact-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .version-panels {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-home .page-shell {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .page-rail {
    position: sticky;
    top: 110px;
  }

  .page-home .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-home .rail-node {
    display: block;
    border-color: transparent;
    border-left: 2px solid transparent;
  }

  .page-home .rail-node[data-current="true"] {
    border-color: transparent;
    border-left-color: var(--gold);
    background: rgba(201, 162, 75, .09);
  }

  .page-home .home-timeline {
    padding-left: 30px;
  }

  .page-home .tl-item::before {
    left: -33.5px;
  }
}
<<<END>>>