.page-home {
  --home-num-size: clamp(2.5rem, 7vw, 5.5rem);
  --home-gap: 88px;
  position: relative;
  background-color: var(--ink-950);
  color: var(--text-900);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

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

.page-home .home-figure {
  margin: 0 0 24px;
}

/* ---------- 首屏 ---------- */
.home-hero {
  position: relative;
  padding: calc(var(--header-h, 84px) + 48px) 0 56px;
  overflow: hidden;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 90% at 72% 26%, #000 0%, rgba(0, 0, 0, .5) 46%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 72% 26%, #000 0%, rgba(0, 0, 0, .5) 46%, transparent 78%);
  pointer-events: none;
}

.home-hero__inner {
  position: relative;
  display: grid;
  gap: 44px;
}

.home-hero__main {
  min-width: 0;
}

.home-crumb {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-300);
}

.home-hero__eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.home-hero__title {
  margin: 0 0 26px;
  font-size: clamp(2.9rem, 9.5vw, 7.2rem);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--text-900);
}

.home-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-300);
}

.home-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.home-hero__visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.home-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(10, 15, 44, .82) 0%, rgba(10, 15, 44, .12) 46%, rgba(10, 15, 44, .55) 100%);
  pointer-events: none;
}

/* ---------- 三条入口 ---------- */
.home-paths {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.home-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--ink-850);
}

.home-path__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--signal-500);
}

.home-path__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 500;
  color: var(--text-900);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.home-path__link::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--signal-500);
}

.home-path__link:hover,
.home-path__link:focus-visible {
  color: var(--ember-400);
}

.home-path__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-300);
}

/* ---------- 频道轴布局 ---------- */
.home-layout {
  display: grid;
  gap: 24px;
  padding-top: 24px;
}

.home-axis {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-500);
  scrollbar-width: thin;
}

.home-axis .og-axis__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-500);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-300);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.home-axis .og-axis__item:hover,
.home-axis .og-axis__item:focus-visible {
  color: var(--text-900);
  border-color: var(--signal-500);
  background: var(--ink-750);
}

.home-axis__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-400);
}

.home-content {
  min-width: 0;
}

/* ---------- 编号章节 ---------- */
.home-section {
  padding: 56px 0;
  border-top: 1px solid var(--line-500);
  scroll-margin-top: calc(var(--header-h, 84px) + 24px);
}

.home-section:first-child {
  border-top: 0;
  padding-top: 8px;
}

.home-section .og-section__head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.home-section .og-section__num {
  font-family: var(--font-mono);
  font-size: var(--home-num-size);
  font-weight: 400;
  line-height: .88;
  letter-spacing: -.05em;
  color: var(--signal-500);
  font-variant-numeric: tabular-nums;
}

.home-section .og-section__title {
  flex: 1 1 260px;
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--text-900);
}

.home-grid {
  display: grid;
  gap: 30px;
}

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

.home-text {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--text-300);
}

.home-text--wide {
  max-width: 76ch;
  margin-bottom: 30px;
}

.home-note {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--text-300);
}

.home-inline-link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.home-inline-link:hover,
.home-inline-link:focus-visible {
  color: var(--ember-400);
  border-color: var(--ember-400);
}

/* ---------- 三步路径 ---------- */
.home-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.home-steps__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink-850);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-900);
}

.home-steps__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan-400);
}

/* ---------- 频道清单 ---------- */
.home-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.home-channels__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: var(--ink-950);
  font-size: 14px;
  color: var(--text-900);
}

.home-channels__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-300);
  font-variant-numeric: tabular-nums;
}

/* ---------- 身份切换 ---------- */
.home-switch {
  margin-bottom: 12px;
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  background: var(--ink-850);
  transition: border-color 200ms var(--ease);
}

.home-switch[open] {
  border-color: rgba(255, 90, 31, .45);
}

.home-switch__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  color: var(--text-900);
}

.home-switch__summary::-webkit-details-marker {
  display: none;
}

.home-switch__from,
.home-switch__to {
  font-weight: 500;
}

.home-switch__arrow {
  font-family: var(--font-mono);
  color: var(--signal-500);
}

.home-switch__icon {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--signal-500);
  transition: transform 200ms var(--ease);
}

.home-switch[open] .home-switch__icon {
  transform: rotate(45deg);
}

.home-switch__body {
  padding: 0 18px 18px;
}

.home-switch__body ol {
  margin: 0;
  padding-left: 20px;
}

.home-switch__body li {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-300);
}

/* ---------- 反馈状态 ---------- */
.home-states {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.home-states__item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  background: var(--ink-850);
}

.home-states__desc {
  flex: 1 1 240px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-300);
}

/* ---------- 对照表 ---------- */
.home-compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.home-compare__caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-400);
  background: var(--ink-850);
}

.home-compare thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-300);
  background: var(--ink-850);
  border-bottom: 1px solid var(--line-500);
}

.home-compare tbody th {
  padding: 13px 16px;
  text-align: left;
  font-weight: 500;
  color: var(--text-900);
  background: var(--ink-950);
  border-bottom: 1px solid var(--line-500);
}

.home-compare tbody td {
  padding: 13px 16px;
  color: var(--text-300);
  border-bottom: 1px solid var(--line-500);
  border-left: 1px solid var(--line-500);
}

.home-compare tbody tr:last-child th,
.home-compare tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 终端清单 ---------- */
.home-terminals {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.home-terminals__item {
  padding: 7px 14px;
  border: 1px solid var(--line-500);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-900);
  background: var(--ink-750);
}

/* ---------- 条目录 ---------- */
.home-faq {
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.home-faq__col {
  padding: 24px 20px 26px;
  background: var(--paper-50);
  color: var(--ink-950);
}

.home-faq__title {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--ink-950);
}

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

.home-faq__item {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2b3055;
  border-top: 1px solid var(--paper-200);
}

.home-faq__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.home-faq__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-700);
  font-variant-numeric: tabular-nums;
}

/* ---------- 时间轴 ---------- */
.home-timeline {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.home-timeline__item {
  position: relative;
  padding: 22px 20px 24px 20px;
  background: var(--ink-850);
}

.home-timeline__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 90, 31, .5);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--signal-500);
}

.home-timeline__badge--cyan {
  border-color: rgba(34, 211, 238, .5);
  color: var(--cyan-400);
}

.home-timeline__badge--mint {
  border-color: rgba(52, 211, 153, .5);
  color: var(--mint-400);
}

.home-timeline__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 500;
  color: var(--text-900);
}

.home-timeline__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-300);
}

.home-meter {
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.home-meter__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink-950);
}

.home-meter__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

.home-meter__label {
  flex: 1 1 220px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-300);
}

/* ---------- 尾部 ---------- */
.home-outro {
  position: relative;
  margin-top: var(--home-gap);
  border-top: 1px solid var(--line-500);
  background: linear-gradient(180deg, var(--ink-950) 0%, var(--ink-850) 100%);
  overflow: hidden;
}

.home-outro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(90% 70% at 20% 80%, #000 0%, transparent 72%);
  mask-image: radial-gradient(90% 70% at 20% 80%, #000 0%, transparent 72%);
  pointer-events: none;
}

.home-outro__inner {
  position: relative;
  display: grid;
  gap: 32px;
  padding-top: 48px;
  padding-bottom: 64px;
}

.home-outro__figure {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.home-outro__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.home-outro__body {
  min-width: 0;
}

.home-outro__title {
  margin: 14px 0 20px;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  font-weight: 200;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text-900);
}

.home-outro__links {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.home-outro__links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line-500);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-900);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background-color 200ms var(--ease);
}

.home-outro__links a::after {
  content: "↗";
  font-family: var(--font-mono);
  color: var(--signal-500);
}

.home-outro__links a:hover,
.home-outro__links a:focus-visible {
  border-color: var(--signal-500);
  background: var(--ink-750);
  color: var(--ember-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .home-hero {
    padding: calc(var(--header-h, 84px) + 64px) 0 72px;
  }

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

  .home-faq__col {
    padding: 30px 28px 32px;
  }

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

  .home-meter__item {
    flex-direction: column;
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 28px;
  }

  .home-hero__visual {
    margin-right: calc(var(--gutter, 64px) * -1);
    margin-top: -48px;
  }

  .home-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .home-grid > .og-span-4 { grid-column: span 4; }
  .home-grid > .og-span-5 { grid-column: span 5; }
  .home-grid > .og-span-6 { grid-column: span 6; }
  .home-grid > .og-span-7 { grid-column: span 7; }
  .home-grid > .og-span-8 { grid-column: span 8; }
  .home-grid > .og-span-12 { grid-column: span 12; }

  .home-outro__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 40px;
    padding-top: 64px;
    padding-bottom: 80px;
  }

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

@media (min-width: 1025px) {
  .home-layout {
    grid-template-columns: var(--axis-w, 88px) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-top: 40px;
  }

  .home-axis {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0 20px 0 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-500);
    position: sticky;
    top: calc(var(--header-h, 84px) + 24px);
  }

  .home-axis .og-axis__item {
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 11px 12px;
  }

  .home-axis .og-axis__item:hover,
  .home-axis .og-axis__item:focus-visible {
    border-left-color: var(--signal-500);
    background: transparent;
    color: var(--text-900);
  }

  .home-section {
    padding: 72px 0;
  }

  .home-section:first-child {
    padding-top: 0;
  }

  .home-grid > .og-span-5 + .og-span-7,
  .home-grid > .og-span-7 + .og-span-5 {
    align-self: start;
  }
}

@media (min-width: 1280px) {
  .home-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 120ms !important;
  }

  .home-switch[open] .home-switch__icon {
    transform: none;
  }
}
<<<END>>>