.page-home {
  --home-pad: 20px;
  --home-section: 48px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-home [hidden] {
  display: none !important;
}

.page-home .home-crumb {
  padding-top: 20px;
  padding-bottom: 12px;
}

.page-home .home-crumb .breadcrumb,
.page-home .home-crumb .breadcrumb a {
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

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

/* ---------- 首屏 ---------- */
.page-home .hero-band {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(255, 138, 61, 0.14) 0%, rgba(255, 138, 61, 0) 46%),
    var(--ink);
}

.page-home .hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.42;
  pointer-events: none;
}

.page-home .hero {
  position: relative;
  display: grid;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 52px;
}

.page-home .hero__intro .eyebrow {
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-home .hero__title {
  margin: 0;
  font-size: clamp(2.1rem, 8vw, 4.3rem);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .hero__accent {
  display: block;
  color: var(--amber);
}

.page-home .hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero__hint {
  margin: 20px 0 0;
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.05em;
}

/* 分类轨道 */
.page-home .hero__rail {
  border-top: 2px solid var(--amber);
  padding-top: 12px;
}

.page-home .rail-caption {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-home .rail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 8px 11px 10px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-home .rail-item__no {
  font-size: 11px;
  color: var(--mist);
}

.page-home .rail-item__name {
  flex: 1;
  font-size: 15px;
  letter-spacing: 0.01em;
}

.page-home .rail-item__arrow {
  font-size: 13px;
  color: var(--mist);
  transition: color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-home .rail-item:hover,
.page-home .rail-item:focus-visible {
  background: rgba(255, 138, 61, 0.12);
  border-left-color: var(--amber);
  color: var(--amber-soft);
}

.page-home .rail-item:hover .rail-item__arrow,
.page-home .rail-item:focus-visible .rail-item__arrow {
  color: var(--amber);
  transform: translateX(3px);
}

/* 检索示意面板 */
.page-home .hero__console {
  border: 1px solid var(--line-strong);
  background: var(--steel);
}

.page-home .console__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 14px;
  background: var(--abyss);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-home .console__dot {
  width: 8px;
  height: 8px;
  background: var(--amber);
  flex: 0 0 auto;
}

.page-home .hero__console img {
  width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-home .console__note {
  margin: 0;
  padding: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 通用区块 ---------- */
.page-home .section {
  padding-top: var(--home-section);
  padding-bottom: var(--home-section);
  border-bottom: 1px solid var(--line);
}

.page-home .home-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line-strong);
}

.page-home .home-head__title {
  margin: 0;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-head__meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--jade-soft);
}

/* ---------- 检索指南 ---------- */
.page-home .guide-band {
  background: linear-gradient(180deg, rgba(44, 62, 92, 0.35) 0%, rgba(27, 42, 74, 0) 60%), var(--ink);
}

.page-home .guide__intro {
  margin: 0 0 28px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-home .step {
  position: relative;
  padding: 18px 16px 20px;
  background: var(--ink);
}

.page-home .step__node {
  display: block;
  width: 16px;
  height: 16px;
  margin-bottom: 14px;
  border: 1px solid var(--mist);
  background: transparent;
}

.page-home .step--current .step__node {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.16);
}

.page-home .step__no {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .step--current .step__no {
  color: var(--amber);
}

.page-home .step__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .guide__figure {
  margin: 0 0 32px;
  border: 1px solid var(--line-strong);
  background: var(--abyss);
}

.page-home .guide__figure img {
  width: 100%;
  object-fit: cover;
}

.page-home .media-frame__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 筛选条 ---------- */
.page-home .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .filters--compact {
  margin-top: 20px;
  margin-bottom: 18px;
}

.page-home .filter-btn {
  appearance: none;
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-home .filter-btn:hover {
  border-color: var(--amber-soft);
  color: var(--amber-soft);
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--abyss);
}

/* ---------- 条目列表 ---------- */
.page-home .guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-home .guide-list > li {
  border-bottom: 1px solid var(--line);
}

.page-home .guide-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
  padding: 16px 4px 16px 10px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .guide-row__no {
  grid-column: 1 / -1;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .guide-row__body {
  display: block;
  min-width: 0;
}

.page-home .guide-row__title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .guide-row__text {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .guide-row .tag {
  align-self: start;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  color: var(--mist);
  white-space: nowrap;
}

.page-home .guide-row .tag--jade {
  border-color: var(--jade);
  color: var(--jade-soft);
}

.page-home .guide-row:hover,
.page-home .guide-row:focus-visible {
  background: rgba(143, 163, 191, 0.08);
  border-left-color: var(--amber);
}

/* ---------- 设备区 ---------- */
.page-home .devices-band {
  background: var(--ink);
}

.page-home .devices-grid {
  display: grid;
  gap: 28px;
}

.page-home .devices__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--abyss);
}

.page-home .devices__media img {
  width: 100%;
  object-fit: cover;
}

.page-home .devices__lede {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .device-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-home .device-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .device-row__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .device-row__text {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .device-row .tag {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border: 1px solid var(--jade);
  color: var(--jade-soft);
  white-space: nowrap;
}

.page-home .devices__scope {
  margin: 0 0 20px;
  padding: 12px 14px;
  border-left: 3px solid var(--jade);
  background: rgba(62, 142, 126, 0.12);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .devices__cta {
  display: inline-block;
}

/* ---------- 帮助双入口 ---------- */
.page-home .help-band {
  background: linear-gradient(180deg, rgba(14, 24, 48, 0.9) 0%, rgba(27, 42, 74, 0) 70%), var(--ink);
}

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

.page-home .help-card {
  display: block;
  padding: 22px 20px 24px;
  background: var(--steel);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--mist);
  color: var(--paper);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .help-card--amber {
  border-top-color: var(--amber);
}

.page-home .help-card--jade {
  border-top-color: var(--jade);
}

.page-home .help-card__no {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .help-card__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .help-card__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .help-card__go {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber-soft);
}

.page-home .help-card--jade .help-card__go {
  color: var(--jade-soft);
}

.page-home .help-card:hover,
.page-home .help-card:focus-visible {
  background: rgba(255, 138, 61, 0.1);
  border-color: var(--amber-soft);
}

.page-home .help-card--jade:hover,
.page-home .help-card--jade:focus-visible {
  background: rgba(62, 142, 126, 0.14);
  border-color: var(--jade-soft);
}

.page-home .help-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .help-note .mono {
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.03em;
}

/* ---------- 版本区 ---------- */
.page-home .version-grid {
  display: grid;
  gap: 28px;
}

.page-home .version__lede {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .timeline {
  list-style: none;
  margin: 26px 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 16px;
}

.page-home .timeline__item {
  position: relative;
  padding-top: 14px;
  border-top: 2px solid var(--steel);
}

.page-home .timeline__item--now {
  border-top-color: var(--amber);
}

.page-home .timeline__dot {
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--steel);
}

.page-home .timeline__item--now .timeline__dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.16);
}

.page-home .timeline__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-home .timeline__item--now .timeline__label {
  color: var(--amber);
}

.page-home .timeline__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--paper);
}

.page-home .version__team {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .version__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .version__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--abyss);
}

.page-home .version__media img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 联系条 ---------- */
.page-home .contact-strip {
  background: var(--amber);
  color: var(--abyss);
  padding: 36px 0;
}

.page-home .contact-strip__inner {
  display: grid;
  gap: 22px;
}

.page-home .contact-strip__eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(14, 24, 48, 0.7);
}

.page-home .contact-strip__title {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 4.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--abyss);
}

.page-home .contact-strip__text {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(14, 24, 48, 0.82);
}

.page-home .contact-strip__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.page-home .contact-strip__btn {
  background: var(--abyss);
  border-color: var(--abyss);
  color: var(--paper);
}

.page-home .contact-strip__btn:hover,
.page-home .contact-strip__btn:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
}

.page-home .contact-strip__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(14, 24, 48, 0.78);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home {
    --home-section: 60px;
  }

  .page-home .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .help-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-home .contact-strip__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-home .contact-strip__side {
    align-items: flex-end;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-home {
    --home-section: 76px;
  }

  .page-home .hero {
    grid-template-columns: 4fr 3fr 5fr;
    gap: 28px;
    align-items: start;
    padding-top: 44px;
    padding-bottom: 76px;
  }

  .page-home .hero__console {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 7% 100%);
  }

  .page-home .hero__console .console__bar {
    padding-left: 12%;
  }

  .page-home .hero__console .console__note {
    padding-left: calc(14px + 6%);
  }

  .page-home .devices-grid {
    grid-template-columns: 5fr 7fr;
    gap: 36px;
    align-items: start;
  }

  .page-home .version-grid {
    grid-template-columns: 7fr 5fr;
    gap: 36px;
    align-items: start;
  }

  .page-home .guide-row {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 20px;
    padding: 18px 8px 18px 14px;
  }

  .page-home .guide-row__no {
    grid-column: auto;
  }

  .page-home .device-row {
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 16px;
  }

  .page-home .device-row__text {
    grid-column: auto;
  }
}

@media (min-width: 1200px) {
  .page-home .hero__title {
    font-size: 4.4rem;
  }

  .page-home .rail-item {
    padding-top: 13px;
    padding-bottom: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-item,
  .page-home .rail-item__arrow,
  .page-home .filter-btn,
  .page-home .guide-row,
  .page-home .help-card {
    transition: none;
  }

  .page-home .rail-item:hover .rail-item__arrow,
  .page-home .rail-item:focus-visible .rail-item__arrow {
    transform: none;
  }
}
<<<END>>>