.page-home {
  --ph-panel: rgba(16, 26, 56, 0.68);
  --ph-track: rgba(127, 212, 255, 0.32);
  --ph-body: rgba(244, 247, 255, 0.8);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-home .hero-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 28px;
  padding-bottom: 46px;
}

.page-home .hero-copy {
  min-width: 0;
}

.page-home .hero-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-home .hero-context__sep {
  color: var(--ice);
  opacity: 0.6;
}

.page-home .hero-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 29px;
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: 0.01em;
  color: var(--frost);
  max-width: 15em;
}

.page-home .hero-lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ph-body);
  max-width: 34em;
}

.page-home .version-badge {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 26px;
  padding: 1px;
  border-radius: var(--r-2);
  background: linear-gradient(135deg, rgba(127, 212, 255, 0.55), rgba(255, 77, 157, 0.22) 55%, rgba(53, 224, 208, 0.45));
}

.page-home .version-badge__cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  background: var(--void);
}

.page-home .version-badge__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-home .version-badge__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-home .hero-jump {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px dashed rgba(127, 212, 255, 0.5);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

.page-home .hero-visual {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-home .hero-visual__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--indigo);
}

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

.page-home .hero-visual__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 82% 8%, rgba(255, 77, 157, 0.2), transparent 58%),
    linear-gradient(180deg, transparent 52%, rgba(7, 11, 26, 0.7));
}

.page-home .hero-visual__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

/* ---------- 通用区块骨架 ---------- */

.page-home .home-block {
  position: relative;
  padding-top: 50px;
  padding-bottom: 58px;
}

.page-home .home-block + .home-block {
  border-top: 1px solid rgba(30, 42, 68, 0.85);
}

.page-home .block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 16px;
  align-items: start;
  margin-bottom: 26px;
}

.page-home .block-num {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--ice);
  opacity: 0.4;
}

.page-home .block-head__text {
  min-width: 0;
}

.page-home .block-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--frost);
}

.page-home .block-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
  max-width: 42em;
}

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

/* ---------- 01 更新 ---------- */

.page-home .update-figure {
  margin: 0 0 30px;
}

.page-home .update-figure__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--indigo);
}

.page-home .update-figure__frame img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-home .figure-cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-home .update-facts {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .update-fact {
  position: relative;
  overflow: hidden;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--ph-panel);
}

.page-home .update-fact::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-home .update-fact__n {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-home .update-fact__t {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--frost);
}

.page-home .update-fact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ph-body);
}

/* ---------- 02 三条路径 ---------- */

.page-home .route-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  overflow: hidden;
  background: var(--line);
}

.page-home .route-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--void);
}

.page-home .route-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--ice), transparent 72%);
  opacity: 0.55;
}

.page-home .route-item__step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .route-item__t {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--frost);
}

.page-home .route-item p {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ph-body);
}

.page-home .route-item__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(127, 212, 255, 0.45);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

/* ---------- 03 旧版资料 ---------- */

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

.page-home .archive-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ph-body);
  max-width: 40em;
}

.page-home .archive-points {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .archive-points li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ph-body);
}

.page-home .archive-points .is-mono {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(255, 196, 107, 0.4);
  border-radius: var(--r-1);
  padding: 3px 8px;
}

.page-home .archive-side {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: linear-gradient(180deg, rgba(16, 26, 56, 0.9), rgba(7, 11, 26, 0.7));
}

.page-home .archive-side__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-home .archive-side__n {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-home .archive-side__t {
  margin: 6px 0 14px;
  font-size: 14px;
  color: var(--frost);
}

.page-home .archive-side__d {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 04 版本时间线 ---------- */

.page-home .timeline-figure {
  margin: 0 0 22px;
}

.page-home .timeline-figure__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--indigo);
}

.page-home .timeline-figure__frame img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-home .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--ph-panel);
  -webkit-overflow-scrolling: touch;
}

.page-home .timeline-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .timeline-table th,
.page-home .timeline-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(30, 42, 68, 0.9);
}

.page-home .timeline-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--stone);
  background: rgba(7, 11, 26, 0.62);
}

.page-home .timeline-table tbody tr {
  transition: background-color 160ms var(--ease);
}

.page-home .timeline-table tbody tr:hover {
  background: rgba(127, 212, 255, 0.07);
}

.page-home .timeline-table tbody tr:last-child td {
  border-bottom: none;
}

.page-home .timeline-table td:first-child {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--ice);
  white-space: nowrap;
}

.page-home .timeline-table td:nth-child(2) {
  color: var(--frost);
  white-space: nowrap;
}

/* ---------- 05 常见疑问 ---------- */

.page-home .faq-list {
  display: grid;
  gap: 10px;
}

.page-home .faq-item {
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--ph-panel);
  transition: border-color 160ms var(--ease);
}

.page-home .faq-item[open] {
  border-color: rgba(127, 212, 255, 0.4);
}

.page-home .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--frost);
  cursor: pointer;
  list-style: none;
}

.page-home .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-home .faq-item__q::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 224, 208, 0.15);
}

.page-home .faq-item__a {
  margin: 0 0 18px;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ph-body);
  max-width: 46em;
}

/* ---------- 06 订阅 ---------- */

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

.page-home .sub-tiers {
  display: grid;
  gap: 12px;
}

.page-home .sub-tier {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: linear-gradient(180deg, rgba(16, 26, 56, 0.88), rgba(7, 11, 26, 0.6));
}

.page-home .sub-tier__tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-home .sub-tier__t {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--frost);
}

.page-home .sub-tier p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--ph-body);
}

.page-home .sub-side {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--ph-panel);
}

.page-home .sub-side__frame {
  overflow: hidden;
  border: 1px solid rgba(127, 212, 255, 0.22);
  border-radius: var(--r-2);
  background: var(--indigo);
}

.page-home .sub-side__frame img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-home .sub-side__note {
  margin: 16px 0 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--stone);
}

.page-home .sub-side__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(127, 212, 255, 0.4);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-home .version-badge {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-home .sub-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-home .update-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-home .route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-frame {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: center;
    padding-top: 46px;
    padding-bottom: 78px;
  }

  .page-home .hero-title {
    font-size: 40px;
    max-width: 12.5em;
  }

  .page-home .hero-lead {
    font-size: 17px;
  }

  .page-home .home-block {
    padding-top: 74px;
    padding-bottom: 82px;
  }

  .page-home .block-head {
    gap: 18px 28px;
    margin-bottom: 38px;
  }

  .page-home .block-num {
    font-size: 72px;
  }

  .page-home .block-title {
    font-size: 30px;
  }

  .page-home .archive-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 34px;
    align-items: start;
  }

  .page-home .sub-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 34px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .route-item,
  .page-home .update-fact,
  .page-home .faq-item,
  .page-home .timeline-table tbody tr,
  .page-home .hero-jump,
  .page-home .route-item__link,
  .page-home .sub-side__link {
    transition: none;
  }
}