.page-home {
  --rail-top: 96px;
  --rail-w: 236px;
  --card-pad: clamp(16px, 2.2vw, 24px);
  background: var(--ink-900);
  color: var(--mist);
  font-family: var(--sans);
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow-x: clip;
}

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

.page-home .mono {
  font-family: var(--mono);
  letter-spacing: .08em;
}

.page-home a:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .home-body {
  max-width: var(--frame-w);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 32px) var(--gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

/* ==== 左侧索引轨道 ==== */
.page-home .index-rail {
  font-family: var(--mono);
  min-width: 0;
}

.page-home .rail-block {
  border: var(--bw) solid var(--line);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius);
  padding: 12px 14px 14px;
}

.page-home .rail-summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.page-home .rail-summary-meta {
  color: var(--slate);
  font-size: 11px;
  letter-spacing: .06em;
}

.page-home .rail-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-home .rail-link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  padding: 6px 4px;
  color: var(--mist);
  text-decoration: none;
  font-size: 12px;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-home .rail-code {
  color: var(--amber);
  font-size: 11px;
  letter-spacing: .08em;
}

.page-home .rail-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.page-home .rail-foot {
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.6;
}

.page-home .rail-foot a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .rail-foot a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ==== 首屏专题封面 ==== */
.page-home .home-flow {
  min-width: 0;
}

.page-home .hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(53, 242, 230, .13), transparent 55%),
    linear-gradient(160deg, var(--ink-800) 0%, var(--ink-900) 72%);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .hero-veil {
  position: absolute;
  right: -6%;
  bottom: -8%;
  width: min(430px, 68%);
  height: auto;
  color: rgba(53, 242, 230, .2);
  pointer-events: none;
}

.page-home .hero-clue {
  position: relative;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-home .hero-clue .mono {
  color: var(--cyan);
}

.page-home .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-home .hero-title {
  margin: 0 0 16px;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.3rem, 6.4vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-home .hero-title em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-home .hero-lede {
  margin: 0;
  max-width: 30em;
  font-size: clamp(.95rem, 1.1vw, 1.05rem);
  line-height: 1.8;
  color: var(--slate);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-home .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-decoration: none;
  border-radius: var(--radius);
  border: var(--bw) solid transparent;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-home .btn-primary {
  background: var(--cyan);
  color: var(--on-accent);
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 0 rgba(3, 9, 18, .9);
}

.page-home .btn-primary:hover,
.page-home .btn-primary:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 2px 2px 0 0 rgba(3, 9, 18, .9);
}

.page-home .hero-btn-ghost {
  background: transparent;
  color: var(--mist);
  border-color: var(--line);
}

.page-home .hero-btn-ghost:hover,
.page-home .hero-btn-ghost:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-home .hero-stats {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-home .hero-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-home .hero-stats dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-home .hero-stats dd {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.1;
  color: var(--mist);
}

.page-home .hero-bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  min-width: 0;
}

.page-home .hero-visual {
  margin: 0;
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
}

.page-home .hero-tile {
  border: var(--bw) solid var(--line);
  background: var(--ink-800);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-width: 0;
}

.page-home .hero-tile-version {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-home .tile-code {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-home .tile-big {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1;
  color: var(--mist);
}

.page-home .tile-note {
  font-size: 11px;
  line-height: 1.5;
  color: var(--slate);
}

.page-home .new-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

.page-home .new-list li {
  position: relative;
  padding-left: 14px;
}

.page-home .new-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--magenta);
}

/* ==== 章节通用 ==== */
.page-home .section {
  margin-top: clamp(38px, 6vw, 68px);
}

.page-home .section-head {
  border-top: var(--bw) solid var(--line);
  padding-top: 14px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-home .kicker {
  display: block;
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .section-title {
  margin: 0 0 8px;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .section-lede {
  margin: 0;
  max-width: 62ch;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--slate);
}

/* ==== 六分区状态板 ==== */
.page-home .zone-grid {
  min-width: 0;
}

.page-home .zone-map {
  margin: 0;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .zone-map img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .zone-grid .card {
  border: var(--bw) solid var(--line);
  background: var(--ink-800);
  border-radius: var(--radius);
  padding: var(--card-pad);
  box-shadow: var(--shadow-hard);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-home .zone-grid .card:hover {
  border-color: var(--cyan);
  box-shadow: 2px 2px 0 0 rgba(3, 9, 18, .9);
}

.page-home .zone-total {
  background:
    linear-gradient(135deg, rgba(53, 242, 230, .11), rgba(255, 176, 32, .07)),
    var(--ink-800);
}

.page-home .zone-total .card-title {
  margin: 0;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.35;
  color: var(--mist);
  font-weight: 700;
}

.page-home .zone-total .card-text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .zone-code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-home .zone .card-title {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-home .zone .card-text {
  margin: 0;
  font-size: .85rem;
  line-height: 1.68;
  color: var(--slate);
}

.page-home .zone-meta {
  margin: auto 0 0;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--slate);
}

.page-home .zone-count {
  color: var(--cyan);
}

.page-home .zone-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

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

/* ==== 收藏入口 ==== */
.page-home .collect-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

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

.page-home .collect-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num text";
  gap: 2px 12px;
  align-items: start;
  border-left: 3px solid var(--cyan);
  background: var(--ink-800);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 14px;
  min-width: 0;
}

.page-home .collect-steps .step-num {
  grid-area: num;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .collect-steps strong {
  grid-area: title;
  font-size: .96rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-home .collect-steps p {
  grid-area: text;
  margin: 0;
  font-size: .85rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-home .collect-note {
  border: var(--bw) solid var(--line);
  background: var(--ink-800);
  border-radius: var(--radius);
  padding: var(--card-pad);
  box-shadow: var(--shadow-teal);
  min-width: 0;
}

.page-home .collect-stat {
  margin: 0 0 10px;
  font-family: var(--display);
  font-weight: 900;
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--mist);
}

.page-home .collect-stat .mono {
  color: var(--lime);
  font-size: 1.5rem;
}

.page-home .collect-text {
  margin: 0;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-home .collect-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .collect-text a:hover {
  border-bottom-color: var(--cyan);
}

/* ==== PC 端三步定位带 ==== */
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .step details {
  height: 100%;
  border: var(--bw) solid var(--line);
  background: var(--ink-800);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: border-color .18s var(--ease);
}

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

.page-home .step details[open] {
  border-color: var(--amber);
}

.page-home .step summary {
  list-style: none;
  cursor: pointer;
  padding: 14px;
  display: grid;
  gap: 4px;
}

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

.page-home .step-code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-home .step-name {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-home .step-hint {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .step details[open] .step-hint {
  color: var(--amber);
}

.page-home .step-list {
  margin: 0;
  padding: 0 16px 16px 30px;
  display: grid;
  gap: 6px;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-home .step-list li::marker {
  color: var(--cyan);
}

.page-home .steps-media {
  margin: 16px 0 0;
}

.page-home .steps-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
}

.page-home .steps-media figcaption {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--slate);
}

/* ==== 回访时间线 ==== */
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-left: 2px solid var(--line);
}

.page-home .tl-node {
  position: relative;
  padding: 14px 0 14px 24px;
  min-width: 0;
}

.page-home .tl-node::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--ink-900);
  border: 2px solid var(--magenta);
  border-radius: 50%;
}

.page-home .tl-node:last-child::before {
  border-color: var(--lime);
}

.page-home .tl-code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--magenta);
}

.page-home .tl-node:last-child .tl-code {
  color: var(--lime);
}

.page-home .tl-node h3 {
  margin: 4px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--mist);
}

.page-home .tl-node p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.68;
  color: var(--slate);
}

.page-home .revisit-media {
  margin: 18px 0 0;
}

.page-home .revisit-media img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
}

.page-home .revisit-stat {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-home .revisit-stat strong {
  color: var(--lime);
}

/* ==== 内容中心预览 ==== */
.page-home .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .feed-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 14px;
  align-items: center;
  padding: 14px;
  border: var(--bw) solid var(--line);
  border-left-width: 6px;
  background: var(--ink-800);
  border-radius: var(--radius);
  min-width: 0;
  transition: background-color .18s var(--ease), border-left-width .18s var(--ease);
}

.page-home .feed-item-version { border-left-color: var(--cyan); }
.page-home .feed-item-handbook { border-left-color: var(--amber); }
.page-home .feed-item-revisit { border-left-color: var(--magenta); }
.page-home .feed-item-compat { border-left-color: var(--lime); }

.page-home .feed-item:hover {
  background: var(--ink-700);
}

.page-home .feed-item .tag {
  justify-self: start;
}

.page-home .feed-item h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  min-width: 0;
}

.page-home .feed-item h3 a {
  color: var(--mist);
  text-decoration: none;
}

.page-home .feed-item h3 a:hover,
.page-home .feed-item h3 a:focus-visible {
  color: var(--cyan);
}

.page-home .feed-time {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-home .feed-more {
  margin: 16px 0 0;
}

.page-home .feed-more a {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
}

/* ==== 咨询入口 ==== */
.page-home .consult-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
  background:
    linear-gradient(135deg, rgba(255, 176, 32, .09), rgba(53, 242, 230, .06)),
    var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-home .consult-main {
  min-width: 0;
}

.page-home .consult-main p {
  margin: 0 0 16px;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .consult-main code {
  font-family: var(--mono);
  font-size: .85em;
  letter-spacing: .04em;
  color: var(--amber);
  background: rgba(7, 20, 38, .72);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 6px;
  word-break: break-all;
}

.page-home .consult-channels {
  margin: 0;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-home .consult-channels > div {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  min-width: 0;
}

.page-home .consult-channels dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .consult-channels dd {
  margin: 3px 0 0;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-all;
}

/* ==== 响应式 ==== */
@media (min-width: 640px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .hero-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .hero-visual {
    grid-column: 1 / -1;
  }

  .page-home .feed-item {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-home .collect-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-left: 0;
    border-top: 2px solid var(--line);
  }

  .page-home .tl-node {
    padding: 22px 16px 0 0;
  }

  .page-home .tl-node::before {
    left: 0;
    top: -8px;
  }

  .page-home .consult-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-home .home-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .index-rail {
    position: sticky;
    top: var(--rail-top);
  }

  .page-home .rail-list {
    grid-template-columns: minmax(0, 1fr);
  }
}
<<<END>>>