.page-home {
  --home-close: #E8DBC4;
  --home-glass-line: rgba(220, 207, 184, 0.24);
  --home-glass-line-soft: rgba(220, 207, 184, 0.14);
  --home-on-dark: rgba(250, 246, 238, 0.72);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper-light);
  padding: clamp(28px, 6vw, 64px) 0 clamp(48px, 7vw, 96px);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: linear-gradient(90deg, rgba(184, 134, 59, 0), var(--copper) 28%, var(--copper-bright) 68%, rgba(184, 134, 59, 0));
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
}

.page-home .hero-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(18px, 4vw, 30px);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(250, 246, 238, 0.66);
}

.page-home .hero-kicker .mono {
  color: var(--copper-bright);
  letter-spacing: 0.14em;
}

.page-home .hero-sep {
  width: 22px;
  height: 1px;
  background: var(--copper);
  display: inline-block;
}

.page-home .version-lockup {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.page-home .version-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(84px, 21vw, 196px);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--copper-bright);
}

.page-home .version-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: rgba(250, 246, 238, 0.66);
  border-left: 2px solid var(--copper);
  padding-left: 12px;
  margin-bottom: 8px;
}

.page-home .hero-title {
  margin: clamp(16px, 3vw, 24px) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.8vw, 34px);
  line-height: 1.36;
  letter-spacing: -0.015em;
  color: var(--paper-light);
  max-width: 22em;
}

.page-home .hero-lede {
  margin: 16px 0 0;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.9;
  color: var(--home-on-dark);
  max-width: 44em;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-home .hero-panel {
  position: relative;
}

.page-home .hero-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--home-glass-line);
  border-radius: 3px;
}

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

.page-home .hero-glass {
  position: relative;
  margin: -52px 10px 0;
  padding: 16px 16px 8px;
  background: rgba(24, 38, 52, 0.74);
  border: 1px solid var(--home-glass-line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px rgba(14, 23, 33, 0.38);
}

.page-home .hero-glass-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--copper-bright);
}

.page-home .hero-readout {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-home .hero-readout > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid var(--home-glass-line-soft);
}

.page-home .hero-readout dt {
  font-size: 12px;
  color: rgba(250, 246, 238, 0.6);
}

.page-home .hero-readout dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper-bright);
  text-align: right;
}

/* ---------- 章节索引条 ---------- */
.page-home .home-rail {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(240, 228, 206, 0.95);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-home .home-rail-inner {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  overflow-x: auto;
  padding: 12px 0 10px;
  scrollbar-width: none;
}

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

.page-home .rail-link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--copper);
}

.page-home .rail-link.is-active {
  color: var(--ink);
  border-bottom-color: var(--copper);
}

/* ---------- 章节基础 ---------- */
.page-home .section {
  padding: clamp(44px, 8vw, 104px) 0;
}

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

.page-home .section--paper-light {
  background: var(--paper-light);
  color: var(--text);
}

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

.page-home .section-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-home .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-home .eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--copper);
  display: inline-block;
}

.page-home .display-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .section--ink .display-title {
  color: var(--paper-light);
}

.page-home .lede {
  margin: 16px 0 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.9;
  color: var(--text-soft);
}

.page-home .section--ink .lede {
  color: var(--home-on-dark);
}

.page-home .measure {
  max-width: 46em;
}

.page-home .text-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--copper);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(184, 134, 59, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-home .section--ink .text-link:hover,
.page-home .section--ink .text-link:focus-visible {
  color: var(--copper-bright);
  border-bottom-color: var(--copper-bright);
}

/* ---------- 节拍刻度 ---------- */
.page-home .beat-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0 8px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home .beat-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .beat-base {
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-home .beat-tick {
  stroke: #C9B99C;
  stroke-width: 4;
  stroke-linecap: round;
}

.page-home .beat-tick--now {
  stroke: var(--copper);
  stroke-width: 8;
}

.page-home .beat-dot {
  fill: var(--copper-bright);
}

.page-home .beat-labels {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.page-home .beat-now {
  color: var(--copper);
}

.page-home .pulse-grid {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
}

.page-home .pulse-figure {
  margin: 0;
}

.page-home .pulse-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-home .pulse-figure figcaption,
.page-home .migrate-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--text-soft);
}

.page-home .pulse-copy p {
  margin: 0 0 1.2em;
  font-size: 16px;
  line-height: 1.88;
  color: var(--text-soft);
}

.page-home .pulse-more {
  margin: 20px 0 0;
}

/* ---------- 折叠细节 ---------- */
.page-home .fold {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-home .fold--wide {
  margin-top: clamp(24px, 4vw, 34px);
  background: var(--paper);
}

.page-home .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-home .fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--copper);
}

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

.page-home .fold[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-home .fold-body {
  padding: 14px 16px 16px;
}

.page-home .fold-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 形态切换 ---------- */
.page-home .form-switch {
  margin-top: 6px;
}

.page-home .form-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-home .form-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .form-tabs label {
  cursor: pointer;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-soft);
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .form-tabs label:hover {
  border-color: var(--copper);
  color: var(--ink);
}

.page-home #form-desktop:checked ~ .form-tabs label[for="form-desktop"],
.page-home #form-mobile:checked ~ .form-tabs label[for="form-mobile"],
.page-home #form-web:checked ~ .form-tabs label[for="form-web"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-light);
}

.page-home #form-desktop:focus-visible ~ .form-tabs label[for="form-desktop"],
.page-home #form-mobile:focus-visible ~ .form-tabs label[for="form-mobile"],
.page-home #form-web:focus-visible ~ .form-tabs label[for="form-web"] {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-home .form-panel {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: clamp(20px, 3.4vw, 34px);
}

.page-home #form-desktop:checked ~ .form-panels #panel-desktop,
.page-home #form-mobile:checked ~ .form-panels #panel-mobile,
.page-home #form-web:checked ~ .form-panels #panel-web {
  display: block;
}

.page-home .form-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-home .form-panel h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .form-panel > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--text-soft);
}

.page-home .form-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .form-points li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-home .form-points li::before {
  content: "▍";
  font-size: 11px;
  line-height: 1.95;
  color: var(--copper);
}

/* ---------- 换设备 ---------- */
.page-home .migrate-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-home .migrate-copy .lede {
  max-width: 40em;
}

.page-home .steps {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-home .step:hover {
  border-color: var(--copper);
}

.page-home .step-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 24px;
  line-height: 1;
  color: var(--copper);
}

.page-home .step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-home .migrate-figure {
  margin: 0;
}

.page-home .migrate-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 3px;
}

/* ---------- 品牌站服务 ---------- */
.page-home .scope-cards {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .scope-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-soft);
  border: 1px solid var(--home-glass-line);
  transition: border-color 0.2s var(--ease);
}

.page-home .scope-card:hover {
  border-color: var(--copper);
}

.page-home .scope-tier {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--copper-bright);
}

.page-home .scope-card h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper-light);
}

.page-home .scope-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--home-on-dark);
}

.page-home .scope-list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--home-glass-line-soft);
  display: grid;
  gap: 10px;
}

.page-home .scope-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .scope-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(250, 246, 238, 0.58);
}

.page-home .scope-list dd {
  margin: 0;
  font-size: 13px;
  color: var(--paper-light);
  text-align: right;
}

.page-home .readout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 22px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--home-glass-line-soft);
}

.page-home .readout-item {
  margin: 0;
}

.page-home .readout-num {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--copper-bright);
}

.page-home .readout-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(250, 246, 238, 0.6);
}

.page-home .scope-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 34px);
}

/* ---------- 联系 ---------- */
.page-home .closing {
  background: var(--home-close);
  color: var(--text);
}

.page-home .contact-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-home .contact-copy .lede {
  color: var(--text-soft);
}

.page-home .contact-copy > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--text-soft);
  max-width: 40em;
}

.page-home .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .contact-list {
  margin: 0;
  border-top: 1px solid rgba(27, 36, 48, 0.16);
}

.page-home .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(27, 36, 48, 0.16);
}

.page-home .contact-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.page-home .contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  word-break: break-word;
}

.page-home .support-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--copper);
  background: rgba(250, 246, 238, 0.72);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero-glass {
    margin: -72px 20px 0;
    padding: 20px 22px 10px;
  }

  .page-home .form-panel > p {
    font-size: 16px;
  }

  .page-home .scope-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-home .step::after {
    content: "→";
    position: absolute;
    top: 14px;
    right: 16px;
    font-family: var(--font-mono);
    font-size: 18px;
    line-height: 1;
    color: var(--line);
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-home .hero-panel {
    padding-bottom: 8px;
  }

  .page-home .pulse-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-home .migrate-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-home .migrate-figure {
    position: sticky;
    top: 96px;
  }

  .page-home .contact-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

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

  .page-home #form-desktop:checked ~ .form-panels #panel-desktop,
  .page-home #form-mobile:checked ~ .form-panels #panel-mobile,
  .page-home #form-web:checked ~ .form-panels #panel-web {
    display: block;
  }
}

@media (min-width: 1080px) {
  .page-home .hero-grid {
    gap: clamp(40px, 5vw, 72px);
  }

  .page-home .version-meta {
    font-size: 13px;
  }
}
<<<END>>>