.page-home {
  --home-hair: #28425f;
  --home-grid: rgba(40, 66, 95, 0.32);
  --home-signal-wash: rgba(255, 107, 53, 0.1);
  --home-wash: rgba(16, 43, 71, 0.72);
  background-color: var(--ink-950);
  color: var(--mist);
}

.page-home .hero {
  position: relative;
  padding-block: clamp(22px, 3.4vw, 40px) clamp(44px, 6.5vw, 92px);
  border-bottom: var(--line);
  background-image:
    linear-gradient(to right, var(--home-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-grid) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
}

.page-home .breadcrumb {
  margin-bottom: clamp(28px, 4.5vw, 56px);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 52px);
}

.page-home .hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.2vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.012em;
  color: var(--mist);
}

.page-home .hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm);
}

.page-home .hero__steps {
  list-style: none;
  margin: clamp(26px, 3.5vw, 38px) 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-home .hero__step {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .hero__step-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

/* ---- 设备状态面板 ---- */
.page-home .device-board {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px);
  border: var(--line);
  background: linear-gradient(155deg, #0a2038 0%, #102b47 100%);
}

.page-home .device-board::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64px;
  height: 2px;
  background: var(--signal);
}

.page-home .device-board__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-home .device-board__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .device-board__switch {
  display: flex;
  flex-wrap: wrap;
  border-top: var(--line);
}

.page-home .device-switch__label {
  flex: 1 1 0;
  min-width: 84px;
  padding: 11px 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  cursor: pointer;
  box-shadow: inset 0 -1px 0 var(--home-hair);
  transition: color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .device-switch__label:hover {
  color: var(--mist);
}

.page-home .device-switch__radio:checked + .device-switch__label {
  color: var(--signal);
  background-color: var(--home-signal-wash);
  box-shadow: inset 0 -2px 0 var(--signal);
}

.page-home .device-switch__radio:focus-visible + .device-switch__label {
  outline: 1px solid var(--cyan);
  outline-offset: -3px;
}

.page-home .device-panels {
  flex: 1 1 100%;
  min-width: 0;
}

.page-home .device-panel {
  display: none;
  padding-block: 16px;
}

.page-home .device-panel__note {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-home #view-desktop:checked ~ .device-panels .device-panel--desktop,
.page-home #view-tablet:checked ~ .device-panels .device-panel--tablet,
.page-home #view-mobile:checked ~ .device-panels .device-panel--mobile {
  display: block;
}

.page-home .device-rows {
  margin: 0;
  padding: 0;
}

.page-home .device-rows__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--home-hair);
}

.page-home .device-rows__item:last-child {
  border-bottom: 0;
}

.page-home .device-rows__item dt {
  font-size: 13px;
  color: var(--steel);
}

.page-home .device-rows__item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-home .device-board__figure {
  margin: 16px 0 0;
}

/* ---- 通用段落 ---- */
.page-home .section {
  border-bottom: var(--line);
}

.page-home .section__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm);
}

.page-home .link-more {
  display: inline-block;
  margin-top: 20px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 243, 211, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---- 板块编号 ---- */
.page-home .board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.5vw, 44px);
  margin-top: clamp(26px, 3.5vw, 42px);
}

.page-home .board-grid__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background-color: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-home .board-card {
  padding: 16px 16px 18px;
  background-color: #0a2038;
  transition: background-color var(--dur) var(--ease);
}

.page-home .board-card:hover {
  background-color: var(--panel-800);
}

.page-home .board-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-home .board-card__name {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-home .board-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--warm);
}

.page-home .board-card__meta {
  margin: 12px 0 0;
}

.page-home .board-grid__aside {
  align-self: start;
}

.page-home .board-grid__aside-text {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.75;
  color: var(--warm);
}

/* ---- 版本速查 ---- */
.page-home .version-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.5vw, 48px);
  align-items: center;
}

.page-home .version-block__lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm);
}

.page-home .version-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3vw, 32px);
  background-color: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-home .version-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background-color: var(--ink-950);
}

.page-home .version-fact__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 4.4vw, 42px);
  line-height: 1;
  color: var(--cyan);
}

.page-home .version-fact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* ---- 访问记录 ---- */
.page-home .history-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.5vw, 48px);
  align-items: center;
}

.page-home .history-block__lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm);
}

.page-home .history-list {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-home .history-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: var(--line);
}

.page-home .history-list__item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-home .history-list__item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---- 问题直达 ---- */
.page-home .help-steps {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-home .help-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 14px;
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-home .help-step__no {
  grid-row: span 2;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1;
  color: var(--signal);
}

.page-home .help-step strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .help-step span:last-child {
  font-size: 13px;
  line-height: 1.7;
  color: var(--warm);
}

.page-home .help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 3.5vw, 40px);
  background-color: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-home .help-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 20px;
  background-color: #0a2038;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease);
}

.page-home .help-card:hover,
.page-home .help-card:focus-visible {
  background-color: var(--panel-800);
}

.page-home .help-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-home .help-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--warm);
}

.page-home .help-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .help-card:hover .help-card__go {
  color: var(--signal);
}

/* ---- 联系摘要 ---- */
.page-home .contact-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(26px, 3.5vw, 40px);
  background-color: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-home .contact-strip__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background-color: #0a2038;
}

.page-home .contact-strip__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .contact-strip__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-home .contact-strip__value--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-home .contact-strip__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--warm);
}

.page-home .reach-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .home-footnote {
  margin: 0;
  padding: 22px var(--pad-x) 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--steel);
  background-color: var(--ink-950);
}

@media (min-width: 560px) {
  .page-home .history-list__item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
  .page-home .contact-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-home .version-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .help-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background-color: var(--grid-line);
    border: 1px solid var(--grid-line);
  }
  .page-home .help-step {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    gap: 8px;
    padding: 18px 16px 20px;
    border-bottom: 0;
    background-color: var(--ink-950);
  }
  .page-home .help-step__no {
    grid-row: auto;
  }
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }
  .page-home .board-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }
  .page-home .version-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-home .history-block {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
  .page-home .contact-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .page-home .hero {
    padding-block: 44px clamp(72px, 7vw, 104px);
  }
  .page-home .hero__title {
    max-width: 15ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .device-switch__label,
  .page-home .board-card,
  .page-home .help-card,
  .page-home .link-more {
    transition: none;
  }
}
<<<END>>>