.page-home {
  --home-rail: 200px;
  --home-card: rgba(28, 34, 31, 0.62);
  --home-card-hover: rgba(28, 34, 31, 0.92);
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .home-crumbs {
  padding-top: calc(var(--sp-3) + var(--sp-1));
}

/* ---------- 首屏横向信息带 ---------- */
.page-home .home-hero {
  position: relative;
  margin-top: var(--sp-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 150% at 6% 0%, rgba(201, 162, 75, 0.12), transparent 58%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}

.page-home .home-hero__band {
  position: relative;
  display: grid;
  gap: var(--sp-3);
  padding: var(--sp-5) 0;
}

.page-home .home-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .home-hero__accent {
  color: var(--gold-lt);
  border-bottom: 2px solid var(--gold-line);
}

.page-home .home-hero__desc {
  margin: var(--sp-2) 0 0;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--txt);
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-home .home-hero__stat {
  background: var(--ink-2);
  padding: 14px 16px;
}

.page-home .home-hero__stat dt {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--txt-dim);
}

.page-home .home-hero__stat dd {
  margin: 6px 0 0;
  font-size: 19px;
  line-height: 1.2;
  color: var(--gold-lt);
  font-variant-numeric: tabular-nums;
}

.page-home .home-hero__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
}

.page-home .home-hero__textlink {
  font-size: 14px;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-hero__textlink:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-line);
}

.page-home .home-hero__media {
  margin: var(--sp-3) 0 0;
}

/* ---------- 两列骨架 ---------- */
.page-home .home-shell {
  display: grid;
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-6);
}

.page-home .home-index {
  border: 1px solid var(--line);
  background: rgba(18, 22, 20, 0.62);
  padding: var(--sp-3);
}

.page-home .home-index__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--txt-dim);
}

.page-home .home-index__title--gap {
  margin-top: var(--sp-3);
}

.page-home .home-index__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.page-home .home-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 13px;
  color: var(--txt);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-index__link .mono {
  font-size: 11px;
  color: var(--gold);
}

.page-home .home-index__link:hover,
.page-home .home-index__link[aria-current="true"] {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-line);
}

.page-home .home-index__codes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-index__codes a {
  display: block;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--txt-dim);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-index__codes a:hover {
  color: var(--gold-lt);
  border-color: var(--gold-line);
}

/* ---------- 章节 ---------- */
.page-home .home-section {
  padding-top: var(--sp-4);
  scroll-margin-top: calc(var(--hdr-h) + 16px);
}

.page-home .home-section:first-child {
  padding-top: 0;
}

.page-home .home-section + .home-section {
  margin-top: var(--sp-4);
  border-top: 1px solid var(--line-soft);
}

.page-home .home-section__intro {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--txt-dim);
}

.page-home .home-section__more {
  margin: var(--sp-3) 0 0;
}

.page-home .home-more-link {
  display: inline-block;
  font-size: 13.5px;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-more-link:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-line);
}

/* ---------- A 产品线 ---------- */
.page-home .home-lines__media {
  margin: var(--sp-3) 0 0;
}

.page-home .line-grid {
  display: grid;
  gap: 1px;
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-home .line-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--ink-2);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .line-card:hover,
.page-home .line-card:focus-within {
  border-left-color: var(--gold);
  background: var(--ink-3);
}

.page-home .line-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-home .line-card__code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .line-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .line-card__use {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--txt-dim);
}

.page-home .line-card__ver {
  margin: auto 0 0;
  padding-top: 6px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--txt-dim);
}

.page-home .tag--updating {
  color: var(--gold-lt);
  border-color: var(--gold-line);
}

.page-home .tag--archive {
  color: var(--txt-dim);
  border-color: var(--line);
}

/* ---------- B 权益 ---------- */
.page-home .benefit-layout {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.page-home .home-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-home .home-tablewrap .data-table {
  min-width: 560px;
  margin: 0;
}

.page-home .home-tablewrap caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--txt-dim);
}

.page-home .tier-switch {
  position: relative;
  margin-top: var(--sp-3);
}

.page-home .tier-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .tier-switch__input:focus-visible ~ .tier-switch__labels {
  outline: 1px dashed var(--gold);
  outline-offset: 4px;
}

.page-home .tier-switch__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .tier-switch__labels label {
  cursor: pointer;
  padding: 7px 14px;
  border: 1px solid var(--line);
  background: var(--home-card);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--txt-dim);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .tier-switch__labels label:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-home #tier-1:checked ~ .tier-switch__labels label[for="tier-1"],
.page-home #tier-2:checked ~ .tier-switch__labels label[for="tier-2"],
.page-home #tier-3:checked ~ .tier-switch__labels label[for="tier-3"],
.page-home #tier-4:checked ~ .tier-switch__labels label[for="tier-4"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-home .tier-switch__panels {
  margin-top: 14px;
  padding-left: 16px;
  border-left: 2px solid var(--gold-line);
  min-height: 104px;
}

.page-home .tier-panel {
  display: none;
}

.page-home .tier-panel h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .tier-panel p {
  margin: 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--txt-dim);
}

.page-home #tier-1:checked ~ .tier-switch__panels #tier-panel-1,
.page-home #tier-2:checked ~ .tier-switch__panels #tier-panel-2,
.page-home #tier-3:checked ~ .tier-switch__panels #tier-panel-3,
.page-home #tier-4:checked ~ .tier-switch__panels #tier-panel-4 {
  display: block;
  animation: home-panel-in var(--dur) var(--ease);
}

@keyframes home-panel-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

/* ---------- C 三步流程 ---------- */
.page-home .flow {
  display: grid;
  gap: 1px;
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-home .flow__step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--ink-2);
}

.page-home .flow__num {
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .flow__step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .flow__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--txt-dim);
}

.page-home .flow__step details {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-home .flow__step summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

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

.page-home .flow__step summary::before {
  content: "+ ";
}

.page-home .flow__step details[open] summary::before {
  content: "− ";
}

/* ---------- D 版本确认 ---------- */
.page-home .check-list {
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .check-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .check-list .mono {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-home .check-list h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .check-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--txt-dim);
}

.page-home .home-check__note {
  margin: var(--sp-3) 0 0;
  padding: 12px 16px;
  border-left: 2px solid var(--jade);
  background: rgba(31, 111, 92, 0.12);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--txt);
}

.page-home .home-check__media {
  margin: var(--sp-3) 0 0;
}

/* ---------- E 更新 ---------- */
.page-home .update-list {
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .update-list li {
  padding: 14px 0 14px 16px;
  border-left: 1px solid var(--line);
}

.page-home .update-list li + li {
  margin-top: 2px;
}

.page-home .update-list__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--txt-dim);
}

.page-home .update-list__kind {
  color: var(--amber);
}

.page-home .update-list h3 {
  margin: 4px 0 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-home .update-list p {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--txt-dim);
}

/* ---------- F 下一步 ---------- */
.page-home .next-grid {
  display: grid;
  gap: 12px;
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .next-card {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--home-card);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .next-card:hover,
.page-home .next-card:focus-visible {
  border-color: var(--gold-line);
  background: var(--home-card-hover);
}

.page-home .next-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-lt);
}

.page-home .next-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--txt-dim);
}

.page-home .home-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--gold-line);
}

.page-home .home-cta p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .line-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 780px) {
  .page-home .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-hero__band {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    grid-template-areas:
      "lead stats"
      "lead action";
    align-items: start;
    column-gap: var(--sp-5);
    row-gap: var(--sp-3);
    padding: var(--sp-6) 0;
  }

  .page-home .home-hero__lead {
    grid-area: lead;
  }

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

  .page-home .home-hero__action {
    grid-area: action;
  }

  .page-home .benefit-layout {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home .home-shell {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    column-gap: var(--sp-5);
  }

  .page-home .home-index {
    position: sticky;
    top: calc(var(--hdr-h) + 16px);
    align-self: start;
  }

  .page-home .home-index__nav {
    flex-direction: column;
    gap: 2px;
  }
}

@media (min-width: 1180px) {
  .page-home .line-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home #tier-1:checked ~ .tier-switch__panels #tier-panel-1,
  .page-home #tier-2:checked ~ .tier-switch__panels #tier-panel-2,
  .page-home #tier-3:checked ~ .tier-switch__panels #tier-panel-3,
  .page-home #tier-4:checked ~ .tier-switch__panels #tier-panel-4 {
    animation: none;
  }

  .page-home .line-card,
  .page-home .next-card,
  .page-home .home-more-link,
  .page-home .home-hero__textlink {
    transition: none;
  }
}
<<<END>>>