.page-home {
  --home-gap: clamp(14px, 2vw, 24px);
  --home-pad: clamp(20px, 3vw, 36px);
  --home-grid: 32px;
  --home-block-space: clamp(56px, 9vw, 108px);
  padding-block: clamp(22px, 4vw, 46px) clamp(48px, 7vw, 96px);
  background: var(--porcelain);
  color: var(--ink);
}

.page-home .home-shell {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-home .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* ---------- 拼贴首屏 ---------- */
.page-home .collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .collage-lead,
.page-home .collage-stats,
.page-home .collage-action,
.page-home .collage-figure {
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0;
}

.page-home .collage-lead {
  padding: var(--home-pad);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: var(--home-grid) var(--home-grid);
  border: 1px solid var(--line-soft);
}

.page-home .collage-lead .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-home h1 {
  margin: 0.42em 0 0.5em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .lead-text {
  margin: 0;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink-70);
}

.page-home .lead-steps {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .lead-steps li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-block: 9px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--ink);
}

.page-home .lead-steps li:last-child {
  border-bottom: 1px dashed var(--line);
}

.page-home .lead-steps .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .collage-stats {
  padding: var(--home-pad);
  background-color: var(--ink);
  background-image: radial-gradient(circle at 84% 12%, rgba(24, 183, 160, 0.3), transparent 62%);
  color: var(--porcelain);
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: space-between;
}

.page-home .stats-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--paper-45);
}

.page-home .stats-big {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: clamp(48px, 12vw, 104px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-home .stats-unit {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--cyan);
}

.page-home .stats-caption {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--paper-70);
}

.page-home .stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
}

.page-home .stats-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .stats-mini {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--cyan);
}

.page-home .stats-mini-label {
  font-family: var(--font-ui);
  font-size: 12.5px;
  color: var(--paper-70);
}

.page-home .collage-action {
  padding: var(--home-pad);
  background: var(--amber);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}

.page-home .action-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(11, 13, 15, 0.62);
}

.page-home .action-text {
  margin: 0;
  font-family: var(--font-ui);
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.65;
}

.page-home .action-link {
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .collage-figure {
  margin: 0;
  background: var(--silver);
  aspect-ratio: 4 / 3;
}

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

@media (min-width: 860px) {
  .page-home .collage {
    grid-template-columns: 1.42fr 1fr;
    grid-template-areas:
      "lead stats"
      "action figure";
  }

  .page-home .collage-lead { grid-area: lead; }
  .page-home .collage-stats { grid-area: stats; }
  .page-home .collage-action { grid-area: action; }
  .page-home .collage-figure { grid-area: figure; aspect-ratio: auto; min-height: 240px; }
}

/* ---------- 通用区块头 ---------- */
.page-home .rail-block,
.page-home .steps-block,
.page-home .trust-block,
.page-home .updates-block {
  margin-top: var(--home-block-space);
}

.page-home .block-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .section-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-home .block-head h2,
.page-home .trust-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-home .block-intro {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--ink-70);
}

/* ---------- 活动中心横向轨道 ---------- */
.page-home .rail {
  display: flex;
  gap: var(--home-gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-home .rail::-webkit-scrollbar {
  height: 6px;
}

.page-home .rail::-webkit-scrollbar-thumb {
  background: var(--silver);
  border-radius: 999px;
}

.page-home .rail-card {
  flex: 0 0 min(330px, 82vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line-soft);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-home .rail-card:hover,
.page-home .rail-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 12px 26px rgba(11, 13, 15, 0.08);
}

.page-home .rail-figure {
  margin: 0 0 4px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--silver);
}

.page-home .rail-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .rail-card .tag {
  align-self: flex-start;
}

.page-home .rail-card .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-home .price-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  font-family: var(--font-ui);
  font-size: 14px;
}

.page-home .price-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-block: 7px;
  border-bottom: 1px dashed var(--line);
}

.page-home .price-list .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
  white-space: nowrap;
}

.page-home .rail-text {
  margin: 4px 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-home .card-cond {
  margin: auto 0 0;
  padding: 8px 10px;
  border-left: 2px solid var(--silver);
  background: rgba(11, 13, 15, 0.035);
  font-family: var(--font-ui);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-55);
  transition: border-color 0.28s var(--ease), color 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-home .rail-card:hover .card-cond,
.page-home .rail-card:focus-within .card-cond {
  border-left-color: var(--cyan);
  background: rgba(24, 183, 160, 0.09);
  color: var(--ink);
}

.page-home .rail-link {
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-home .rail-link:hover {
  color: var(--cyan);
}

/* ---------- 三步重登 ---------- */
.page-home .step-list {
  display: grid;
  gap: var(--home-gap);
  align-items: start;
}

.page-home .step {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-home .step:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(11, 13, 15, 0.07);
}

.page-home .step[open] {
  border-left-color: var(--cyan);
}

.page-home .step summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--ink);
}

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

.page-home .step-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .step-name {
  flex: 1;
  min-width: 0;
}

.page-home .step-mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-home .step-mark::before,
.page-home .step-mark::after {
  content: "";
  position: absolute;
  background: var(--blue);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-home .step-mark::before {
  inset: 6px 0 auto 0;
  height: 2px;
}

.page-home .step-mark::after {
  inset: 0 6px 0 auto;
  width: 2px;
}

.page-home .step[open] .step-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-home .step-body {
  padding: 0 18px 18px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-home .step-body p {
  margin: 0;
}

.page-home .check-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink);
}

.page-home .check-list li {
  position: relative;
  padding-left: 19px;
}

.page-home .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--cyan);
  border-radius: 2px;
}

.page-home .step-tip {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--mist);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-55);
}

.page-home .step-tip strong {
  color: var(--blue);
}

.page-home .step-note {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink-70);
}

.page-home .step-note a {
  color: var(--blue);
}

@media (min-width: 900px) {
  .page-home .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 本地服务与信任 ---------- */
.page-home .trust-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  padding: var(--home-pad);
  border-radius: var(--radius);
  background-color: var(--graphite);
  background-image:
    linear-gradient(var(--line-light-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-light-soft) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--porcelain);
}

.page-home .section-index--on-dark {
  color: var(--cyan);
}

.page-home .trust-copy h2 {
  margin: 8px 0 0;
  color: var(--paper);
}

.page-home .trust-text {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--paper-70);
}

.page-home .trust-points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-70);
}

.page-home .trust-points li {
  padding-left: 14px;
  border-left: 2px solid var(--line-light);
}

.page-home .trust-points strong {
  color: var(--paper);
  font-weight: 700;
}

.page-home .trust-figure {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink);
}

.page-home .trust-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 380px;
  object-fit: cover;
}

.page-home .trust-figure .figure-cap {
  display: block;
  padding: 10px 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--paper-45);
  background: rgba(11, 13, 15, 0.5);
}

.page-home .trust-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-home .trust-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-sm);
  background: rgba(11, 13, 15, 0.28);
}

.page-home .trust-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-home .trust-label {
  font-family: var(--font-ui);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--paper-70);
}

@media (min-width: 860px) {
  .page-home .trust-block {
    grid-template-columns: 1.12fr 0.88fr;
    grid-template-areas:
      "copy figure"
      "stats figure";
    align-items: start;
    column-gap: clamp(24px, 3vw, 40px);
  }

  .page-home .trust-copy { grid-area: copy; }
  .page-home .trust-figure { grid-area: figure; }
  .page-home .trust-stats {
    grid-area: stats;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 最近更新 ---------- */
.page-home .updates-figure {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--silver);
}

.page-home .updates-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

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

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

.page-home .update-time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-home .update-body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-home .updates-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

@media (min-width: 720px) {
  .page-home .update-list li {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 0;
  }
}

/* ---------- 焦点反馈 ---------- */
.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home .rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-card,
  .page-home .step,
  .page-home .card-cond,
  .page-home .step-mark::before,
  .page-home .step-mark::after {
    transition: none;
  }

  .page-home .rail-card:hover,
  .page-home .step:hover {
    transform: none;
  }

  .page-home .rail {
    scroll-behavior: auto;
  }
}
<<<END>>>