.page-home {
  --rail-w: 88px;
  --home-hairline: rgba(127, 162, 178, 0.14);
  background: var(--deep-sea);
  color: var(--ink-80);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 96% at 84% 0%, rgba(43, 27, 74, 0.92), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(90, 31, 51, 0.58), transparent 66%),
    var(--deep-sea);
  padding: calc(var(--header-h) + 48px) 0 clamp(46px, 6vw, 84px);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    rgba(55, 245, 212, 0.07) 0 1px,
    transparent 1px 104px
  );
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-home .hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.85) contrast(1.05);
}

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

.page-home .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink-50);
}

.page-home .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(55, 245, 212, 0.55);
}

.page-home .home-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 7.2vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--mist);
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-home .home-hero .lede {
  margin-top: 22px;
  max-width: 60ch;
  color: var(--ink-80);
}

/* ---------- 三列信号带 ---------- */
.page-home .signal-band {
  margin-top: clamp(34px, 5vw, 62px);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .band-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(127, 162, 178, 0.22);
  border-top-color: rgba(55, 245, 212, 0.42);
  background: linear-gradient(180deg, rgba(11, 43, 69, 0.86), rgba(6, 28, 47, 0.72));
  transition: var(--ease);
  min-width: 0;
}

.page-home .band-card:hover,
.page-home .band-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(55, 245, 212, 0.6);
  background: linear-gradient(180deg, rgba(11, 43, 69, 0.98), rgba(6, 28, 47, 0.9));
}

.page-home .band-lamp {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-home .band-lamp--cyan {
  background: var(--signal-cyan);
  box-shadow: 0 0 0 4px rgba(55, 245, 212, 0.14), 0 0 14px rgba(55, 245, 212, 0.7);
}

.page-home .band-lamp--orange {
  background: var(--signal-orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.14), 0 0 14px rgba(255, 122, 47, 0.65);
}

.page-home .band-kicker {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-home .band-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-home .band-figure {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-cyan);
  letter-spacing: 0.02em;
}

.page-home .band-figure .num {
  font-size: 26px;
  color: var(--signal-cyan);
}

.page-home .band-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-70);
}

.page-home .band-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.55);
  padding-bottom: 3px;
  transition: var(--ease);
}

.page-home .band-link:hover,
.page-home .band-link:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

/* ---------- 主体两栏 ---------- */
.page-home .home-body {
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-home .rail {
  min-width: 0;
  margin-bottom: 10px;
}

.page-home .rail-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  scrollbar-width: thin;
}

.page-home .rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--ink-70);
  text-decoration: none;
  white-space: nowrap;
  transition: var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--mist);
  border-color: rgba(55, 245, 212, 0.6);
}

.page-home .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal-cyan);
}

.page-home .home-flow {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-home .home-section {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--home-hairline);
}

.page-home .section-head {
  max-width: 66ch;
}

.page-home .home-section h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 10px 0 16px;
}

.page-home .sec-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-80);
}

.page-home .sec-tail {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-70);
}

.page-home .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 24px;
}

.page-home .link-row a {
  font-size: 14px;
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 245, 212, 0.35);
  padding-bottom: 3px;
  transition: var(--ease);
}

.page-home .link-row a:hover,
.page-home .link-row a:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

/* ---------- 资讯速览带 ---------- */
.page-home .feed-strip {
  margin-top: 28px;
  display: grid;
  gap: 1px;
  background: rgba(127, 162, 178, 0.18);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .feed-row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--night-blue);
  transition: var(--ease);
}

.page-home .feed-row:hover {
  background: #0e3352;
}

.page-home .feed-cat {
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .feed-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-home .feed-tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--signal-cyan);
  border: 1px solid rgba(55, 245, 212, 0.4);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

/* ---------- 排名刻度 ---------- */
.page-home .rank-list {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.page-home .rank-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 8px 12px;
  align-items: center;
}

.page-home .rank-pos {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel);
  white-space: nowrap;
}

.page-home .rank-bar-track {
  display: block;
  height: 9px;
  border-radius: var(--radius-pill);
  background: rgba(127, 162, 178, 0.16);
  overflow: hidden;
}

.page-home .rank-bar {
  display: block;
  height: 100%;
  width: var(--w, 50%);
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--signal-cyan), rgba(255, 122, 47, 0.9));
  transition: width 300ms ease-out;
}

.page-home .rank-delta {
  grid-column: 2;
  justify-self: start;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-home .delta--up { color: var(--rank-up); }
.page-home .delta--down { color: var(--rank-down); }
.page-home .delta--flat { color: var(--steel); }

/* ---------- 热力分布 ---------- */
.page-home .heat-block {
  margin-top: 34px;
  display: grid;
  gap: 22px;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(43, 27, 74, 0.85), transparent 68%),
    rgba(11, 43, 69, 0.72);
  border: 1px solid rgba(127, 162, 178, 0.16);
}

.page-home .heat-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  max-width: 460px;
}

.page-home .heat-cell {
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
}

.page-home .lv1 { background: rgba(55, 245, 212, 0.12); }
.page-home .lv2 { background: rgba(55, 245, 212, 0.34); }
.page-home .lv3 { background: rgba(55, 245, 212, 0.62); }
.page-home .lv4 { background: rgba(255, 122, 47, 0.72); }
.page-home .lv5 { background: rgba(255, 122, 47, 0.98); }

.page-home .heat-caption {
  margin: 0 0 10px;
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .heat-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-70);
}

.page-home .heat-legend {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--steel);
}

.page-home .heat-legend .heat-cell {
  width: 18px;
  height: 18px;
  aspect-ratio: auto;
  border-radius: 4px;
}

/* ---------- 图片 ---------- */
.page-home .home-figure,
.page-home .version-figure,
.page-home .route-figure {
  margin: 32px 0 0;
}

.page-home .home-figure img,
.page-home .version-figure img,
.page-home .route-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid rgba(127, 162, 178, 0.18);
}

.page-home .home-figure figcaption,
.page-home .version-figure figcaption,
.page-home .route-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-50);
}

/* ---------- 版本对照 ---------- */
.page-home .version-block {
  margin-top: 26px;
  display: grid;
  gap: 26px;
  min-width: 0;
}

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

.page-home .version-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-home .version-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.03em;
}

.page-home .version-chip--old {
  color: var(--steel);
  border: 1px solid rgba(127, 162, 178, 0.36);
}

.page-home .version-chip--now {
  color: var(--deep-sea);
  background: var(--signal-cyan);
  border: 1px solid var(--signal-cyan);
  font-weight: 600;
}

.page-home .path-diff {
  background: rgba(90, 31, 51, 0.34);
  border: 1px solid rgba(255, 122, 47, 0.24);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 10px;
}

.page-home .path-diff summary {
  cursor: pointer;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.6;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.page-home .path-diff summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--signal-orange);
  font-size: 16px;
}

.page-home .path-diff[open] summary::after {
  content: "–";
}

.page-home .path-diff ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .path-diff li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 122, 47, 0.16);
}

.page-home .path-old { color: var(--steel); }
.page-home .path-arrow { color: rgba(234, 246, 247, 0.42); }
.page-home .path-new { color: var(--signal-cyan); }

/* ---------- 常用入口 ---------- */
.page-home .route-layout {
  margin-top: 26px;
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-home .route-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 20px;
  min-width: 0;
}

.page-home .route-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 0 14px 15px;
  border-left: 2px solid rgba(55, 245, 212, 0.32);
  transition: var(--ease);
}

.page-home .route-card:hover,
.page-home .route-card:focus-within {
  border-left-color: var(--signal-orange);
  transform: translateX(3px);
}

.page-home .route-num {
  font-size: 12px;
  color: var(--signal-cyan);
}

.page-home .route-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-home .route-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-home .route-card a {
  align-self: flex-start;
  font-size: 12px;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 162, 178, 0.4);
  transition: var(--ease);
}

.page-home .route-card a:hover,
.page-home .route-card a:focus-visible {
  color: var(--signal-cyan);
  border-bottom-color: var(--signal-cyan);
}

.page-home .route-copy {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--home-hairline);
}

.page-home .route-copy-label {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-home .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  background: rgba(11, 43, 69, 0.7);
  border: 1px solid rgba(127, 162, 178, 0.32);
  border-radius: var(--radius-pill);
  padding: 7px 15px;
  cursor: pointer;
  transition: var(--ease);
}

.page-home .copy-btn:hover,
.page-home .copy-btn:focus-visible {
  color: var(--signal-cyan);
  border-color: rgba(55, 245, 212, 0.6);
}

/* ---------- 地域与承诺 ---------- */
.page-home .region-panel {
  padding: clamp(22px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(110% 120% at 100% 0%, rgba(43, 27, 74, 0.95), transparent 70%),
    linear-gradient(180deg, rgba(11, 43, 69, 0.9), rgba(6, 28, 47, 0.85));
  border: 1px solid rgba(55, 245, 212, 0.16);
}

.page-home .region-contact {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-70);
}

.page-home .trust-band {
  margin: 34px 0 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 4px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  border-top: 1px solid rgba(55, 245, 212, 0.36);
  border-bottom: 1px solid rgba(255, 122, 47, 0.28);
}

.page-home .trust-lamp {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal-cyan);
  box-shadow: 0 0 0 5px rgba(55, 245, 212, 0.12), 0 0 16px rgba(55, 245, 212, 0.7);
  animation: home-pulse 2.4s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-home .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .feed-row {
    grid-template-columns: 118px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }

  .page-home .rank-row {
    grid-template-columns: 64px minmax(0, 1fr) 118px;
    gap: 14px;
  }

  .page-home .rank-delta {
    grid-column: 3;
    justify-self: end;
  }

  .page-home .heat-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-home .signal-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-home .home-body {
    display: grid;
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-home .rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
  }

  .page-home .rail-list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding: 0;
  }

  .page-home .rail-link {
    border: none;
    border-left: 2px solid rgba(127, 162, 178, 0.24);
    border-radius: 0;
    padding: 8px 0 8px 12px;
    white-space: normal;
    font-size: 12px;
  }

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

  .page-home .version-block {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-home .version-figure,
  .page-home .home-figure,
  .page-home .route-figure {
    margin-top: 0;
  }

  .page-home .home-figure {
    margin-top: 32px;
  }

  .page-home .route-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-home .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }

  .page-home .route-card:nth-child(3n + 2) {
    margin-top: 16px;
  }
}

@media (min-width: 1240px) {
  .page-home .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .trust-lamp {
    animation: none;
  }

  .page-home .band-card,
  .page-home .route-card,
  .page-home .rank-bar {
    transition: none;
  }
}

.page-home {
  --w: 1rem;
}