.page-home {
  --home-line: 1px solid var(--ink-700);
  --home-notch: 28px;
  display: block;
  background: var(--ink-900);
  color: var(--text-primary);
}

/* ================= 首屏 ================= */
.page-home .hero {
  position: relative;
  padding: 36px 0 52px;
  border-bottom: var(--home-line);
  background:
    radial-gradient(90% 72% at 84% 0%, rgba(79, 209, 217, 0.16), transparent 60%),
    radial-gradient(72% 62% at 4% 100%, rgba(47, 176, 138, 0.1), transparent 64%),
    var(--ink-900);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(147, 168, 184, 0.07) 0 1px,
    transparent 1px 84px
  );
  pointer-events: none;
}

.page-home .hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-home .hero__context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.page-home .hero__context-sep {
  color: rgba(147, 168, 184, 0.42);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 56px;
  }
}

.page-home .hero__title {
  margin: 14px 0 18px;
  font-size: clamp(1.95rem, 6.4vw, 4.25rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  overflow-wrap: break-word;
}

.page-home .hero__lede {
  max-width: 34em;
  margin: 0 0 28px;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-muted);
}

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

.page-home .hero__figure {
  margin: 0;
  border: var(--home-line);
  background: var(--ink-800);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--home-notch)),
    calc(100% - var(--home-notch)) 100%,
    0 100%
  );
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ================= 通用章节 ================= */
.page-home .section {
  padding: 56px 0;
}

@media (min-width: 900px) {
  .page-home .section {
    padding: 84px 0;
  }
}

.page-home .section__title {
  margin: 10px 0 14px;
  font-size: clamp(1.5rem, 4.2vw, 2.25rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-home .section__head .lede {
  max-width: 40em;
  color: var(--text-muted);
}

/* ================= 指标带 ================= */
.page-home .metrics {
  border-bottom: var(--home-line);
}

.page-home .metric-strip {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

@media (min-width: 780px) {
  .page-home .metric-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .metric-strip__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 24px 18px 26px;
  background: var(--ink-800);
  overflow: hidden;
}

.page-home .metric-strip__item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--glacier-500);
  transition: width 180ms var(--ease);
}

.page-home .metric-strip__item:hover::after {
  width: 40px;
}

.page-home .metric-strip__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 8vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--glacier-500);
  font-variant-numeric: tabular-nums;
}

.page-home .metric-strip__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--glacier-300);
}

.page-home .metric-strip__label {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ================= 横向主题带 ================= */
.page-home .band--home {
  padding: 18px 0;
  border-top: var(--home-line);
  border-bottom: var(--home-line);
  background: var(--ink-800);
}

.page-home .band__text {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-home .band__key {
  color: var(--glacier-300);
  font-weight: 600;
}

/* ================= 线路速览 ================= */
.page-home .routes {
  border-bottom: var(--home-line);
}

.page-home .routes__legend,
.page-home .compare__figure,
.page-home .cycles__figure {
  margin: 0 0 32px;
}

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

@media (min-width: 860px) {
  .page-home .routes__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .route-card--l1 { grid-column: span 7; }
  .page-home .route-card--l2 { grid-column: span 5; }
  .page-home .route-card--l3 { grid-column: span 5; }
  .page-home .route-card--l4 { grid-column: span 7; }
}

.page-home .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 22px 26px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  overflow: hidden;
}

.page-home .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--glacier-500);
}

.page-home .route-card--l2::before { background: var(--turquoise-green); }
.page-home .route-card--l3::before { background: var(--gold-orange); }
.page-home .route-card--l4::before { background: var(--glacier-300); }

.page-home .route-card::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--glacier-500);
  transition: width 180ms var(--ease);
}

.page-home .route-card:hover::after {
  width: 40px;
}

.page-home .route-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-home .route-card__code {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.page-home .route-card__title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-home .route-card__stats {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
}

.page-home .route-card__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-home .route-card__stat dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-home .route-card__stat dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--glacier-300);
}

.page-home .route-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-home .route-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--glacier-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .route-card__link::after {
  content: " →";
}

.page-home .route-card__link:hover {
  color: var(--glacier-300);
  border-bottom-color: var(--glacier-300);
}

/* ================= 对照区 ================= */
.page-home .compare__table {
  margin-top: 8px;
  overflow-x: auto;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  -webkit-overflow-scrolling: touch;
}

.page-home .compare__caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--ink-700);
}

.page-home .compare__table .data-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .compare__table .data-table th,
.page-home .compare__table .data-table td {
  padding: 13px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--ink-700);
}

.page-home .compare__table .data-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--ink-900);
}

.page-home .compare__table .data-table tbody th {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--glacier-500);
}

.page-home .compare__table .data-table tbody tr:last-child th,
.page-home .compare__table .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .compare__table .data-table tbody tr:hover td,
.page-home .compare__table .data-table tbody tr:hover th {
  background: rgba(79, 209, 217, 0.07);
}

.page-home .compare__legend {
  margin-top: 18px;
}

/* ================= 更新周期 ================= */
.page-home .cycles {
  border-bottom: var(--home-line);
}

.page-home .cycles__list {
  display: grid;
  gap: 2px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

.page-home .cycles__item {
  background: var(--ink-800);
}

.page-home .disclosure__toggle {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 19px 20px;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 160ms var(--ease);
}

.page-home .disclosure__toggle:hover {
  background: rgba(79, 209, 217, 0.06);
}

.page-home .disclosure__toggle[aria-expanded="true"] {
  background: rgba(79, 209, 217, 0.08);
}

.page-home .disclosure__index {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--glacier-500);
}

.page-home .cycles__label {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-home .disclosure__icon {
  flex: 0 0 auto;
  font-size: 12px;
  line-height: 1;
  color: var(--glacier-500);
  transition: transform 200ms var(--ease);
}

.page-home .disclosure__toggle[aria-expanded="true"] .disclosure__icon {
  transform: rotate(180deg);
}

.page-home .disclosure__panel {
  padding: 0 20px 22px 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-home .disclosure__panel p {
  margin: 0;
}

@media (min-width: 720px) {
  .page-home .disclosure__toggle {
    padding: 20px 24px;
  }

  .page-home .disclosure__panel {
    padding: 0 24px 24px 62px;
  }
}

/* ================= 疑问入口 ================= */
.page-home .faq-entry__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

@media (min-width: 860px) {
  .page-home .faq-entry__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
}

.page-home .faq-entry__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 20px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  color: var(--text-primary);
  text-decoration: none;
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 14px),
    calc(100% - 14px) 100%,
    0 100%
  );
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .faq-entry__link:hover {
  background: rgba(79, 209, 217, 0.08);
  border-color: var(--glacier-500);
}

.page-home .faq-entry__code {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--glacier-500);
}

.page-home .faq-entry__text {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.6;
}

.page-home .faq-entry__arrow {
  flex: 0 0 auto;
  color: var(--text-muted);
  transition: transform 180ms var(--ease), color 180ms var(--ease);
}

.page-home .faq-entry__link:hover .faq-entry__arrow {
  transform: translateX(4px);
  color: var(--glacier-500);
}

/* ================= 收尾主题带 ================= */
.page-home .home-tail {
  border-bottom: 0;
}

.page-home .home-tail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-home .home-tail__text {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-home .home-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ================= 图片容器 ================= */
.page-home .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .metric-strip__item::after,
  .page-home .route-card::after,
  .page-home .disclosure__icon,
  .page-home .faq-entry__arrow,
  .page-home .route-card__link,
  .page-home .faq-entry__link {
    transition: none;
  }
}
<<<END>>>