.page-home {
  --home-frame: rgba(200, 162, 74, 0.32);
  --home-frame-strong: rgba(200, 162, 74, 0.62);
  --home-tint: rgba(126, 31, 26, 0.05);
  --home-muted: rgba(42, 35, 32, 0.74);
  background: var(--cream);
  color: var(--ink);
  padding-bottom: clamp(40px, 6vw, 80px);
}

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

.page-home .breadcrumb {
  padding: clamp(14px, 2vw, 22px) clamp(20px, 4vw, 56px) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

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

.page-home .breadcrumb li + li::before {
  content: "／";
  color: var(--gold);
  margin-right: 10px;
}

.page-home .breadcrumb a {
  color: var(--vermilion-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  border-bottom-color: var(--gold);
}

.page-home .breadcrumb li[aria-current="page"] {
  color: var(--home-muted);
}

.page-home .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--vermilion);
  text-transform: uppercase;
}

.page-home .eyebrow--onDark {
  color: var(--gold-bright);
}

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

.page-home .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--vermilion-deep);
  margin: 8px 0 10px;
}

.page-home .section-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--home-muted);
}

/* 首屏 */
.page-home .home-hero {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 34px) clamp(20px, 4vw, 56px) clamp(34px, 5vw, 60px);
  border-bottom: 1px solid var(--home-frame);
}

.page-home .hero-title {
  display: grid;
  gap: 0.08em;
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.6vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.page-home .hero-title-line--sub {
  font-size: clamp(23px, 4.2vw, 44px);
  letter-spacing: 0.04em;
  color: var(--vermilion-deep);
  padding-top: 2px;
  border-top: 1px solid var(--home-frame-strong);
}

.page-home .hero-lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.82;
  color: var(--ink);
}

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

.page-home .hero-facts {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: clamp(16px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--home-frame-strong);
  display: grid;
  gap: 14px;
}

.page-home .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  color: var(--vermilion);
  letter-spacing: -0.01em;
}

.page-home .fact-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--home-muted);
}

.page-home .hero-side {
  position: relative;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .hero-frame {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--home-frame-strong);
  background: var(--paper);
  position: relative;
}

.page-home .hero-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.02);
}

.page-home .frame-plate {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 5px 10px;
  background: var(--vermilion-deep);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-home .hero-status {
  padding: 16px 16px 14px;
  color: var(--cream);
}

.page-home .status-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold-bright);
}

.page-home .status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .status-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(200, 162, 74, 0.34);
  font-size: 12.5px;
}

.page-home .status-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .status-key {
  color: rgba(246, 238, 221, 0.74);
  letter-spacing: 0.08em;
}

.page-home .status-val {
  font-family: var(--font-mono);
  color: var(--gold-bright);
}

.page-home .hero-vertical {
  display: none;
}

/* 设备对照 */
.page-home .home-devices {
  padding: clamp(34px, 5vw, 62px) clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--home-frame);
}

.page-home .devices-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 10px;
  border: 1px solid var(--home-frame);
  background: var(--paper);
}

.page-home .devices-figure img {
  width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-home .figure-note {
  padding: 8px 2px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--home-muted);
}

.page-home .device-switch {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-home .device-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
  overflow: hidden;
}

.page-home .device-tab {
  cursor: pointer;
  padding: 9px 18px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--vermilion-deep);
  background: var(--cream);
  border: 1px solid var(--home-frame-strong);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .device-input:checked + .device-tab {
  background: var(--vermilion-deep);
  border-color: var(--vermilion-deep);
  color: var(--cream);
}

.page-home .device-input:focus-visible + .device-tab {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-home .device-stage {
  flex: 0 0 100%;
  margin-top: 16px;
}

.page-home .device-pane {
  display: none;
  gap: 12px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--home-tint);
  border-left: 3px solid var(--vermilion);
}

.page-home #home-dev-desktop:checked ~ .device-stage .device-pane--desktop {
  display: grid;
}

.page-home #home-dev-tablet:checked ~ .device-stage .device-pane--tablet {
  display: grid;
}

.page-home .device-pane-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--vermilion-deep);
}

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

.page-home .device-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .device-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--gold);
}

/* 老用户通道 */
.page-home .home-channel {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(34px, 5vw, 64px) clamp(20px, 4vw, 56px);
  background: linear-gradient(160deg, var(--vermilion-deep), var(--vermilion-shadow) 82%);
  color: var(--cream);
}

.page-home .channel-title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.26;
  color: var(--cream);
}

.page-home .channel-lede {
  margin: 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(246, 238, 221, 0.86);
}

.page-home .channel-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-home .channel-step {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(200, 162, 74, 0.4);
}

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

.page-home .step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  color: var(--gold-bright);
}

.page-home .step-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(246, 238, 221, 0.84);
}

.page-home .channel-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(246, 238, 221, 0.76);
}

.page-home .channel-figure {
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(200, 162, 74, 0.55);
  background: rgba(90, 20, 17, 0.5);
  align-self: center;
}

.page-home .channel-figure img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* 栏目索引 */
.page-home .home-index {
  padding: clamp(34px, 5vw, 62px) clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--home-frame);
}

.page-home .index-band {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--home-frame);
  border-bottom: 1px solid var(--home-frame);
  overflow: hidden;
}

.page-home .index-band img {
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  opacity: 0.9;
}

.page-home .index-groups {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-home .index-group {
  padding-top: 16px;
  border-top: 2px solid var(--vermilion-deep);
}

.page-home .index-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-home .group-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--vermilion-deep);
  border: 1px solid var(--home-frame-strong);
  padding: 2px 7px;
}

.page-home .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--vermilion-deep);
  letter-spacing: 0.02em;
}

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

.page-home .index-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 11px 0;
  border-top: 1px dashed rgba(200, 162, 74, 0.4);
}

.page-home .index-item:first-child {
  border-top: 0;
}

.page-home .item-code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--vermilion);
  padding-top: 4px;
}

.page-home .item-name {
  font-size: 15.5px;
  font-weight: 600;
}

.page-home .item-name a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 74, 0.55);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .item-name a:hover,
.page-home .item-name a:focus-visible {
  color: var(--vermilion);
  border-bottom-color: var(--vermilion);
}

.page-home .item-desc {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--home-muted);
}

/* 服务与纪事 */
.page-home .home-scope {
  padding: clamp(34px, 5vw, 62px) clamp(20px, 4vw, 56px);
  background: linear-gradient(180deg, rgba(232, 214, 180, 0.55), rgba(246, 238, 221, 0));
  border-bottom: 1px solid var(--home-frame);
}

.page-home .scope-grid {
  display: grid;
  gap: 16px;
}

.page-home .scope-card {
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--cream);
  border: 1px solid var(--home-frame);
  border-top: 3px solid var(--vermilion);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-home .scope-card--lead {
  background: var(--paper);
}

.page-home .scope-index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--vermilion);
}

.page-home .scope-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--vermilion-deep);
}

.page-home .scope-card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--home-muted);
}

.page-home .scope-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-home .scope-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-home .scope-link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--vermilion-deep);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--home-frame-strong);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

/* 常见问题 */
.page-home .home-faq {
  padding: clamp(34px, 5vw, 62px) clamp(20px, 4vw, 56px) 0;
}

.page-home .faq-list {
  border-top: 2px solid var(--vermilion-deep);
}

.page-home .faq-list .accordion {
  border-bottom: 1px solid var(--home-frame);
}

.page-home .faq-list summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

.page-home .faq-list summary:hover,
.page-home .faq-list summary:focus-visible {
  color: var(--vermilion-deep);
}

.page-home .faq-list summary:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-home .accordion-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 4px;
}

.page-home .faq-list details[open] .accordion-num {
  color: var(--vermilion);
}

.page-home .accordion-body {
  padding: 0 0 16px 32px;
}

.page-home .accordion-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--home-muted);
}

.page-home .faq-contact {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 16px 18px;
  background: var(--home-tint);
  border-left: 3px solid var(--gold);
}

.page-home .faq-contact p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--home-muted);
}

.page-home .contact-strong {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--vermilion-deep);
  word-break: break-all;
}

.page-home .faq-contact a {
  color: var(--vermilion-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-home .faq-contact a:hover,
.page-home .faq-contact a:focus-visible {
  color: var(--vermilion);
  border-bottom-color: var(--vermilion);
}

@media (min-width: 620px) {
  .page-home .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-home .index-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
    row-gap: clamp(22px, 3vw, 32px);
  }

  .page-home .scope-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: start;
  }

  .page-home .home-channel {
    grid-template-columns: minmax(0, 1fr) 336px;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-home .hero-vertical {
    display: block;
    position: absolute;
    top: 0;
    right: -26px;
    height: 300px;
    margin: 0;
    padding-left: 10px;
    border-left: 1px solid var(--home-frame);
    writing-mode: vertical-rl;
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 0.42em;
    color: var(--vermilion);
  }

  .page-home .index-band img {
    aspect-ratio: 16 / 4.2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .device-tab,
  .page-home .item-name a,
  .page-home .scope-link,
  .page-home .faq-list summary,
  .page-home .breadcrumb a {
    transition: none;
  }
}
<<<END>>>