.page-home {
  --home-soft-paper: #6E5D4A;
  --home-paper-line: #D8C9B4;
  --home-gold-deep: #A9873A;
  background: var(--ink-900);
  color: var(--text-light);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow-x: clip;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(42, 74, 98, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 98, 0.28) 1px, transparent 1px);
  background-size: 64px 64px;
  border-bottom: 8px solid var(--gold);
}

.page-home .hero__inner {
  display: grid;
  gap: 2.5rem;
  padding-block: clamp(2.25rem, 6vw, 4.5rem);
}

.page-home .hero__kicker {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 7vw, 3.5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.04em;
  color: var(--text-light);
}

.page-home .hero__lede {
  margin: 1.25rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.8;
  color: #CFD9E1;
}

.page-home .hero__meta {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.page-home .hero__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: baseline;
  border-left: 2px solid var(--line);
  padding-left: 0.8rem;
}

.page-home .hero__meta-key {
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-home .hero__actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-home .hero__preview {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-home .preview-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc";
  gap: 0.15rem 0.9rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: rgba(14, 34, 51, 0.82);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-home .preview-card:hover,
.page-home .preview-card:focus-visible {
  border-color: var(--cyan);
  transform: translateX(2px);
}

.page-home .preview-card__num {
  grid-area: num;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
}

.page-home .preview-card__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-light);
}

.page-home .preview-card__desc {
  grid-area: desc;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }
  .page-home .hero__preview {
    margin-top: 48px;
    margin-right: -5%;
  }
}

/* ---------- 主体与序号轨道 ---------- */
.page-home .home-body {
  position: relative;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(1.5rem, 4vw, 2.75rem) var(--gutter) clamp(3rem, 7vw, 5.5rem);
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-home .home-rail {
  display: none;
}

.page-home .rail-link {
  display: grid;
  gap: 0.1rem;
  padding-left: 0.65rem;
  border-left: 2px solid var(--line);
  text-decoration: none;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.4;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .rail-link__num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--muted);
}

.page-home .rail-link:hover,
.page-home .rail-link[aria-current="true"] {
  color: var(--gold-soft);
  border-left-color: var(--gold);
}

.page-home .rail-link:hover .rail-link__num,
.page-home .rail-link[aria-current="true"] .rail-link__num {
  color: var(--gold);
}

@media (min-width: 980px) {
  .page-home .home-body {
    padding-left: calc(var(--gutter) + 108px);
  }
  .page-home .home-rail {
    display: block;
    position: absolute;
    left: var(--gutter);
    top: 0;
    bottom: 0;
    width: 84px;
  }
  .page-home .home-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    display: grid;
    gap: 0.9rem;
  }
}

/* ---------- 章节外壳 ---------- */
.page-home .home-sec {
  border: 1px solid var(--line);
  background: var(--ink-700);
  color: var(--text-light);
  padding: clamp(1.35rem, 3.4vw, 2.6rem);
}

.page-home .home-sec--paper {
  background: var(--paper);
  border-color: var(--paper-2);
  color: var(--ink-brown);
}

.page-home .home-sec--band {
  border-top: 8px solid var(--gold);
}

.page-home .home-sec__head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}

.page-home .home-sec__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6.5vw, 3rem);
  line-height: 0.9;
  color: var(--gold);
}

.page-home .home-sec--paper .home-sec__num {
  color: var(--home-gold-deep);
}

.page-home .home-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.6vw, 2.05rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.page-home .home-sec__lede {
  margin: 0 0 1.5rem;
  max-width: 40rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: #C6D2DB;
}

.page-home .home-sec--paper .home-sec__lede {
  color: var(--home-soft-paper);
}

.page-home .home-sec__foot {
  margin: 1.25rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .home-sec--paper .home-sec__foot {
  color: var(--home-soft-paper);
}

.page-home .inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-home .inline-link:hover,
.page-home .inline-link:focus-visible {
  color: var(--gold-soft);
  text-decoration-thickness: 2px;
}

.page-home .inline-link--paper {
  color: #1F6E66;
}

.page-home .inline-link--paper:hover,
.page-home .inline-link--paper:focus-visible {
  color: var(--home-gold-deep);
}

/* ---------- 01 更新说明 ---------- */
.page-home .update-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .update-cell {
  background: var(--ink-500);
  padding: 1rem 1.05rem;
}

.page-home .update-cell__k {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .update-cell p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: #CBD6DE;
}

@media (min-width: 760px) {
  .page-home .update-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 02 症状切换 ---------- */
.page-home .symptom {
  position: relative;
  margin-bottom: 1.75rem;
  border: 1px solid var(--line);
  background: rgba(7, 20, 31, 0.55);
  padding: 0.85rem;
}

.page-home .symptom__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .symptom__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-home .symptom__tab {
  cursor: pointer;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .symptom__tab:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-home #sym-1:checked ~ .symptom__tabs label[for="sym-1"],
.page-home #sym-2:checked ~ .symptom__tabs label[for="sym-2"],
.page-home #sym-3:checked ~ .symptom__tabs label[for="sym-3"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}

.page-home #sym-1:focus-visible ~ .symptom__tabs label[for="sym-1"],
.page-home #sym-2:focus-visible ~ .symptom__tabs label[for="sym-2"],
.page-home #sym-3:focus-visible ~ .symptom__tabs label[for="sym-3"] {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-home .symptom__panels {
  margin-top: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.page-home .sym-panel {
  display: none;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: #CBD6DE;
}

.page-home #sym-1:checked ~ .symptom__panels .sym-panel--1,
.page-home #sym-2:checked ~ .symptom__panels .sym-panel--2,
.page-home #sym-3:checked ~ .symptom__panels .sym-panel--3 {
  display: block;
}

/* ---------- 02 步骤列表 ---------- */
.page-home .steps-wrap {
  display: grid;
  gap: 1.5rem;
}

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

.page-home .steps-col {
  min-width: 0;
}

.page-home .path-track {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 0.75rem;
}

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

.page-home .step {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-home .step:first-child {
  border-top: 1px solid var(--line);
}

.page-home .step__num {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  line-height: 1.2;
  color: var(--gold);
}

.page-home .step__name {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .step__name:hover,
.page-home .step__name:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .step__text {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #BCC9D3;
}

@media (min-width: 800px) {
  .page-home .steps-wrap {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 2rem;
    align-items: start;
  }
}

/* ---------- 03 设备覆盖 ---------- */
.page-home .device-grid {
  display: grid;
  gap: 1.5rem;
}

.page-home .device-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--home-paper-line);
  border: 1px solid var(--home-paper-line);
}

.page-home .device-stat {
  background: var(--paper);
  padding: 0.95rem 1rem;
  display: grid;
  gap: 0.35rem;
  align-content: start;
}

.page-home .device-stat__n {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.4rem);
  line-height: 1;
  color: var(--ink-brown);
}

.page-home .device-stat__t {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--home-soft-paper);
}

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

.page-home .device-ask {
  margin-top: 1.5rem;
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
}

.page-home .device-ask__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--ink-brown);
}

.page-home .device-ask__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-home .device-ask__list li {
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--home-soft-paper);
}

.page-home .device-ask__k {
  display: inline-block;
  margin-right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--home-gold-deep);
}

.page-home .device-ask__foot {
  margin: 0.85rem 0 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--home-soft-paper);
}

@media (min-width: 860px) {
  .page-home .device-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 2rem;
  }
}

/* ---------- 04 栏目索引 ---------- */
.page-home .catalog-figure {
  margin: 0 0 1.25rem;
  max-width: 260px;
}

.page-home .cat-table {
  border: 1px solid var(--home-paper-line);
  background: var(--paper);
}

.page-home .cat-head {
  display: none;
}

.page-home .cat-row {
  border-bottom: 1px solid var(--home-paper-line);
  border-left: 2px solid transparent;
  transition: border-left-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

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

.page-home .cat-row:hover {
  background: var(--paper-2);
  border-left-color: var(--gold);
}

.page-home .cat-row[open] {
  border-left-color: var(--cyan);
  background: var(--paper-2);
}

.page-home .cat-row__grid {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-home .cat-row__grid::-webkit-details-marker {
  display: none;
}

.page-home .cat-row__grid::marker {
  content: "";
}

.page-home .cat-row__name {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-brown);
}

.page-home .cat-row__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--home-gold-deep);
  margin-right: 0.5rem;
}

.page-home .cat-row__desc {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--home-soft-paper);
}

.page-home .cat-row__freq,
.page-home .cat-row__when {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: #8A7660;
}

.page-home .cat-row__body {
  padding: 0 1rem 0.95rem 1rem;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--home-soft-paper);
  border-top: 1px dashed var(--home-paper-line);
  margin-top: 0.35rem;
  padding-top: 0.7rem;
}

@media (min-width: 900px) {
  .page-home .catalog-figure {
    max-width: 220px;
    margin-left: auto;
  }
  .page-home .cat-head {
    display: grid;
    grid-template-columns: 11rem minmax(0, 1fr) 5.5rem 9rem;
    gap: 1rem;
    padding: 0.6rem 1rem;
    background: var(--ink-500);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--gold-soft);
  }
  .page-home .cat-row__grid {
    grid-template-columns: 11rem minmax(0, 1fr) 5.5rem 9rem;
    gap: 1rem;
    align-items: baseline;
  }
  .page-home .cat-row__body {
    padding-left: calc(12rem + 1rem);
  }
}

/* ---------- 05 服务响应 ---------- */
.page-home .support-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .support-card {
  background: var(--ink-500);
  padding: 1.1rem 1.15rem;
}

.page-home .support-card__n {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1;
  color: var(--gold);
}

.page-home .support-card__t {
  display: block;
  margin: 0.3rem 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: var(--text-light);
}

.page-home .support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-home .support-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #BCC9D3;
}

.page-home .support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-home .support-materials {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-home .support-materials__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}

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

.page-home .support-materials__list li {
  background: var(--ink-700);
  padding: 0.65rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: #CBD6DE;
}

.page-home .support-materials__foot {
  margin: 0.95rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-home .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .support-materials__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 06 最新条目 ---------- */
.page-home .column-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-home .column-item {
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: var(--ink-500);
  padding: 1rem 1.1rem;
  transition: border-left-color 0.18s var(--ease);
}

.page-home .column-item:hover {
  border-left-color: var(--cyan);
}

.page-home .column-item__tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-home .column-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.page-home .column-item__title a {
  color: var(--text-light);
  text-decoration: none;
}

.page-home .column-item__title a:hover,
.page-home .column-item__title a:focus-visible {
  color: var(--gold-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-home .column-item__text {
  margin: 0.5rem 0 0.75rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #BCC9D3;
}

.page-home .column-item__time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

@media (min-width: 880px) {
  .page-home .column-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .preview-card,
  .page-home .rail-link,
  .page-home .cat-row,
  .page-home .column-item,
  .page-home .symptom__tab {
    transition: none;
  }
  .page-home .preview-card:hover,
  .page-home .preview-card:focus-visible {
    transform: none;
  }
}
<<<END>>>