.page-home {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-home .hero-home {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 64px;
  background:
    radial-gradient(120% 88% at 84% 6%, rgba(201, 148, 74, .18), transparent 60%),
    radial-gradient(96% 70% at 6% 96%, rgba(63, 111, 143, .16), transparent 62%),
    var(--ink);
}

.page-home .hero-home::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -20%;
  width: 64%;
  height: 118%;
  background: linear-gradient(160deg, rgba(18, 40, 61, .92), rgba(11, 27, 43, 0));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 82%);
  pointer-events: none;
}

.page-home .hero-home::after {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -20%;
  width: 46%;
  height: 62%;
  border: 1px solid var(--line);
  border-radius: 50% 40% 46% 32%;
  opacity: .55;
  pointer-events: none;
}

.page-home .hero-shell {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-home .hero-copy h1 {
  margin: 16px 0 0;
  font-size: clamp(2.15rem, 6.4vw, 4.4rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home .hero-sub {
  display: block;
  margin-top: 16px;
  font-size: clamp(1rem, 1.9vw, 1.42rem);
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--copper-soft);
}

.page-home .hero-lede {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--paper-dim);
  font-size: .98rem;
  line-height: 1.95;
}

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

.page-home .hero-facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 34px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-home .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: .04em;
  color: var(--copper);
}

.page-home .fact-label {
  display: block;
  margin-top: 4px;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--rock);
}

.page-home .hero-stack {
  display: grid;
  min-width: 0;
}

.page-home .hero-figure {
  margin: 0;
  border-radius: var(--r-lg);
}

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

.page-home .hero-index {
  position: relative;
  z-index: 2;
  margin: 18px 0 0;
  padding: 20px 20px 14px;
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 26px 50px -30px var(--shadow-black);
}

.page-home .index-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-home .index-title {
  margin: 0;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--copper-soft);
}

.page-home .index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-home .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}

.page-home .index-list li:last-child .index-link {
  border-bottom: 0;
}

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

.page-home .index-no {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--copper);
}

.page-home .index-text {
  display: block;
  font-size: .94rem;
  font-weight: 700;
  min-width: 0;
}

.page-home .index-text small {
  display: block;
  margin-top: 3px;
  font-size: .74rem;
  font-weight: 400;
  color: var(--rock);
  letter-spacing: .02em;
}

.page-home .index-arrow {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--rock);
  transition: transform .3s var(--ease), color .3s var(--ease);
}

.page-home .index-link:hover .index-arrow {
  transform: translateX(4px);
  color: var(--copper);
}

/* ---------- 章节索引条 ---------- */
.page-home .chapter-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(7, 19, 31, .95);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-home .rail-shell {
  width: var(--shell);
  margin-inline: auto;
}

.page-home .rail-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .rail-list::-webkit-scrollbar {
  display: none;
}

.page-home .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  color: var(--paper-dim);
  font-size: .83rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--paper);
  border-color: var(--copper);
  background: rgba(201, 148, 74, .1);
}

.page-home .rail-no {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--copper);
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  padding: 62px 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 66px);
}

.page-home .home-section--last {
  border-bottom: 0;
  padding-bottom: 84px;
}

.page-home .sec-shell {
  width: var(--shell);
  margin-inline: auto;
}

.page-home .sec-head {
  display: grid;
  gap: 14px;
  margin-bottom: 34px;
  max-width: 720px;
}

.page-home .sec-label {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
}

.page-home .index-num {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(201, 148, 74, .55);
}

.page-home .sec-head h2 {
  margin: 0;
  font-size: clamp(1.32rem, 3vw, 2.05rem);
  line-height: 1.34;
  font-weight: 800;
  color: var(--paper);
}

.page-home .sec-lede {
  margin: 0;
  color: var(--paper-dim);
  font-size: .96rem;
  line-height: 1.95;
}

.page-home .split {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-home .sec-figure {
  margin: 0;
  border-radius: var(--r-lg);
}

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

.page-home .sec-actions {
  margin-top: 24px;
}

/* ---------- 01 分类层级 ---------- */
.page-home .layer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .layer-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .layer-list li:first-child {
  padding-top: 0;
}

.page-home .layer-no {
  grid-row: span 2;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--copper);
}

.page-home .layer-list h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .layer-list p {
  margin: 0;
  color: var(--paper-dim);
  font-size: .89rem;
  line-height: 1.9;
}

.page-home .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* ---------- 02 节奏与版本 ---------- */
.page-home .cadence-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 26px;
}

.page-home .timeline li {
  position: relative;
}

.page-home .timeline li::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--copper);
}

.page-home .tl-time {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--copper);
}

.page-home .timeline h3 {
  margin: 7px 0 6px;
  font-size: 1.01rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .timeline p {
  margin: 0;
  color: var(--paper-dim);
  font-size: .89rem;
  line-height: 1.9;
}

.page-home .stat-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
  padding: 24px;
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-home .stat-item {
  min-width: 0;
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: .02em;
  color: var(--copper-soft);
}

.page-home .stat-label {
  display: block;
  margin-top: 6px;
  font-size: .76rem;
  line-height: 1.65;
  color: var(--rock);
}

/* ---------- 03 厂商与年度板块 ---------- */
.page-home .vault-grid {
  display: grid;
  gap: 20px;
}

.page-home .vault-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px;
  border-radius: var(--r-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color .35s var(--ease), background-color .35s var(--ease);
}

.page-home .vault-card:hover {
  border-color: var(--copper);
  background: var(--panel-soft);
}

.page-home .vault-card h3 {
  margin: 0;
  font-size: 1.16rem;
  line-height: 1.5;
  font-weight: 800;
  color: var(--paper);
}

.page-home .vault-card p {
  margin: 0;
  color: var(--paper-dim);
  font-size: .9rem;
  line-height: 1.9;
}

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

.page-home .vault-meta li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: .84rem;
  color: var(--paper-dim);
}

.page-home .vault-meta strong {
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 700;
  color: var(--copper-soft);
  white-space: nowrap;
}

.page-home .vault-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-home .wide-figure {
  margin: 30px 0 0;
  border-radius: var(--r-lg);
}

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

/* ---------- 04 帮助中心 ---------- */
.page-home .fold-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 26px;
}

.page-home .help-fold {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.page-home .help-fold[open] {
  border-color: var(--line);
}

.page-home .help-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: .93rem;
  font-weight: 600;
  color: var(--paper);
}

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

.page-home .help-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--copper);
}

.page-home .help-fold[open] summary::after {
  content: "−";
}

.page-home .help-fold summary:hover,
.page-home .help-fold summary:focus-visible {
  color: var(--copper-soft);
}

.page-home .fold-body {
  padding: 0 18px 16px;
  border-top: 1px solid var(--line-soft);
}

.page-home .fold-body p {
  margin: 12px 0 0;
  font-size: .87rem;
  line-height: 1.9;
  color: var(--paper-dim);
}

/* ---------- 05 合作与联系 ---------- */
.page-home .partner-grid {
  display: grid;
  gap: 16px;
}

.page-home .partner-card {
  padding: 22px;
  border-radius: var(--r-md);
  background: var(--panel-soft);
  border: 1px solid var(--line-soft);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-home .partner-card:hover {
  border-color: var(--copper);
  transform: translateY(-2px);
}

.page-home .partner-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--copper-soft);
  letter-spacing: .04em;
}

.page-home .partner-card p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.9;
  color: var(--paper-dim);
}

.page-home .contact-strip {
  display: grid;
  gap: 20px;
  margin-top: 28px;
  padding: 26px;
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--panel), var(--ink-deep));
  border: 1px solid var(--line);
}

.page-home .contact-item {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-home .contact-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--rock);
}

.page-home .contact-item a,
.page-home .contact-item span {
  color: var(--paper);
  font-size: .9rem;
  line-height: 1.7;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-home .contact-item a:hover,
.page-home .contact-item a:focus-visible {
  color: var(--copper-soft);
  text-decoration: underline;
}

.page-home .contact-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 2px;
}

.page-home .back-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 32px;
  padding: 10px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  color: var(--paper-dim);
  font-size: .84rem;
  text-decoration: none;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}

.page-home .back-index:hover,
.page-home .back-index:focus-visible {
  color: var(--paper);
  border-color: var(--copper);
}

.page-home .back-arrow {
  font-family: var(--font-mono);
  color: var(--copper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .hero-shell {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 52px;
  }

  .page-home .hero-index {
    margin: -46px 0 0 18px;
    padding: 22px 22px 16px;
  }

  .page-home .home-section {
    padding: 76px 0;
  }

  .page-home .split--index {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 46px;
  }

  .page-home .split--help {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 46px;
  }

  .page-home .split--help .sec-figure {
    margin-top: 38px;
  }

  .page-home .vault-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
  }

  .page-home .vault-card--offset {
    margin-top: 32px;
  }

  .page-home .cadence-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 50px;
  }

  .page-home .stat-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 28px;
  }
}

@media (min-width: 1080px) {
  .page-home .contact-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 30px;
  }

  .page-home .hero-home {
    padding-bottom: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-link,
  .page-home .index-arrow,
  .page-home .rail-link,
  .page-home .vault-card,
  .page-home .partner-card,
  .page-home .back-index,
  .page-home .help-fold {
    transition: none;
  }

  .page-home .partner-card:hover {
    transform: none;
  }
}
<<<END>>>