.page-home {
  --home-col-gap: clamp(1.25rem, 3.5vw, 2.5rem);
  --home-panel: rgba(18, 46, 69, 0.52);
  --home-panel-deep: rgba(18, 46, 69, 0.82);
  --home-hero-line: clamp(2rem, 6vw, 4.5rem);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(2.25rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line-ice);
  background: var(--c-night);
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.26;
  pointer-events: none;
}

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

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(115% 85% at 10% 0%, rgba(106, 76, 255, 0.30), transparent 62%),
    radial-gradient(80% 60% at 92% 12%, rgba(43, 232, 176, 0.10), transparent 70%),
    linear-gradient(180deg, rgba(11, 27, 43, 0.45), var(--c-night) 82%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
}

.page-home .hero-head h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.6vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-frost);
  margin: 0.7rem 0 0.9rem;
  max-width: 15em;
}

.page-home .hero-lede {
  max-width: 34rem;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.78;
  color: var(--c-body);
  margin: 0;
}

.page-home .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 5vw, 3rem);
}

/* 本季入口列表 */
.page-home .season-nav {
  border: 1px solid var(--line-ice);
  background: var(--home-panel);
  border-radius: var(--radius);
  padding: 0.3rem;
  align-self: start;
}

.page-home .season-nav-title {
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--c-grit);
  margin: 0;
  padding: 0.65rem 0.75rem 0.5rem;
  text-transform: uppercase;
}

.page-home .season-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .season-nav a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx name"
    "idx desc";
  gap: 0.1rem 0.75rem;
  padding: 0.7rem 0.75rem;
  border-top: 1px solid var(--line-soft);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--c-frost);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-home .season-nav a:hover,
.page-home .season-nav a:focus-visible {
  background: rgba(43, 232, 176, 0.10);
  box-shadow: inset 0 0 0 1px var(--c-neon);
}

.page-home .nav-idx {
  grid-area: idx;
  align-self: center;
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-neon);
}

.page-home .nav-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.35;
}

.page-home .nav-desc {
  grid-area: desc;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--c-grit);
}

/* 当季面板 */
.page-home .season-board {
  position: relative;
  border: 1px solid var(--line-ice);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--home-panel-deep), rgba(11, 27, 43, 0.72));
  padding: clamp(1.1rem, 3vw, 1.9rem);
}

.page-home .season-board::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 52px;
  background: linear-gradient(180deg, var(--c-neon), var(--c-violet));
}

.page-home .board-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-frost);
  margin: 0.7rem 0 0.75rem;
}

.page-home .season-board p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-body);
  max-width: 40rem;
}

.page-home .board-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.9rem;
  padding: 0;
}

.page-home .board-stats {
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--c-grit);
  margin: 0 0 1rem;
}

.page-home .board-stats b {
  color: var(--c-ice);
  font-weight: 600;
}

.page-home .board-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ---------- 版本队列 ---------- */
.page-home .home-versions {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--c-night), rgba(18, 46, 69, 0.35) 60%, var(--c-night));
}

.page-home .versions-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.10;
  pointer-events: none;
}

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

.page-home .home-versions .shell {
  position: relative;
  z-index: 1;
}

.page-home .ruler-scroll {
  display: block;
  overflow-x: auto;
  margin: 1.4rem 0 clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
  scrollbar-color: var(--c-steel) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-home .ruler-scroll::-webkit-scrollbar {
  height: 4px;
}

.page-home .ruler-scroll::-webkit-scrollbar-thumb {
  background: var(--c-steel);
}

.page-home .version-ruler {
  display: flex;
  min-width: max-content;
  border-top: 1px solid var(--line-ice);
  border-bottom: 1px solid var(--line-ice);
}

.page-home .version-tick {
  position: relative;
  flex: 0 0 auto;
  width: clamp(112px, 15vw, 158px);
  display: grid;
  gap: 0.4rem;
  padding: 1.1rem 0.9rem 1.15rem;
  border-left: 1px solid var(--line-soft);
  text-decoration: none;
  background: transparent;
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-home .version-tick:last-child {
  border-right: 1px solid var(--line-soft);
}

.page-home .version-tick::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 1px;
  height: 12px;
  background: var(--c-ice);
}

.page-home .version-tick .tick-num {
  color: var(--c-frost);
  font-size: 1.05rem;
}

.page-home .version-tick .tick-label {
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--c-grit);
  transition: color var(--t) var(--ease);
}

.page-home .version-tick:hover,
.page-home .version-tick:focus-visible {
  background: rgba(43, 232, 176, 0.07);
  box-shadow: inset 0 0 0 1px var(--c-neon);
}

.page-home .version-tick:hover .tick-label,
.page-home .version-tick:focus-visible .tick-label {
  color: var(--c-neon);
}

.page-home .version-tick[data-active] {
  background: rgba(43, 232, 176, 0.09);
  box-shadow: inset 0 0 0 1px rgba(43, 232, 176, 0.55);
}

.page-home .version-tick[data-active] .tick-num {
  color: var(--c-neon);
}

.page-home .version-tick[data-active] .tick-label {
  color: var(--c-ice);
}

.page-home .versions-body .prose p {
  color: var(--c-body);
}

.page-home .versions-figure {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-ice);
}

/* ---------- 攻略分区 ---------- */
.page-home .home-guides {
  background: var(--c-night);
}

.page-home .guide-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-home .path-card {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  border: 1px solid var(--line-ice);
  border-radius: var(--radius);
  background: var(--home-panel);
  padding: clamp(1.1rem, 3vw, 1.75rem);
  transition: box-shadow var(--t) var(--ease), background var(--t) var(--ease);
}

.page-home .path-card:hover {
  background: rgba(18, 46, 69, 0.72);
  box-shadow: inset 0 0 0 1px rgba(127, 216, 232, 0.55);
}

.page-home .path-card--play {
  border-top: 3px solid var(--c-neon);
}

.page-home .path-card--read {
  border-top: 3px solid var(--c-violet);
}

.page-home .path-num {
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-grit);
  margin: 0;
  text-transform: uppercase;
}

.page-home .path-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.35;
  color: var(--c-frost);
  margin: 0;
}

.page-home .path-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--c-body);
}

.page-home .path-meta {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--c-grit);
  padding-top: 0.5rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .path-link {
  justify-self: start;
  margin-top: 0.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line-ice);
  border-radius: var(--radius);
  color: var(--c-frost);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-home .path-link::after {
  content: "\2192";
  font-family: var(--font-num);
  color: var(--c-ice);
  transition: color var(--t) var(--ease);
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #0B1B2B;
}

.page-home .path-link:hover::after,
.page-home .path-link:focus-visible::after {
  color: #0B1B2B;
}

/* ---------- 移动端对照 ---------- */
.page-home .home-pair {
  background: linear-gradient(180deg, rgba(18, 46, 69, 0.32), var(--c-night));
}

.page-home .pair-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}

.page-home .pair-text p {
  max-width: 34rem;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--c-body);
  margin: 0 0 0.9rem;
}

.page-home .pair-text .section-head {
  margin-bottom: 1rem;
}

.page-home .pair-text details {
  margin-top: 1rem;
  border: 1px solid var(--line-ice);
  border-radius: var(--radius);
  background: rgba(18, 46, 69, 0.42);
  transition: box-shadow var(--t) var(--ease);
}

.page-home .pair-text details[open] {
  box-shadow: inset 0 0 0 1px rgba(43, 232, 176, 0.32);
}

.page-home .pair-text summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--c-frost);
}

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

.page-home .pair-text summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.1rem;
  color: var(--c-neon);
  flex: 0 0 auto;
}

.page-home .pair-text details[open] summary::after {
  content: "\2212";
}

.page-home .pair-text details p {
  margin: 0;
  padding: 0 1rem 1.05rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-body);
}

.page-home .pair-figure {
  width: min(100%, 300px);
  justify-self: center;
  border: 1px solid var(--line-ice);
  box-shadow: 0 0 0 1px rgba(106, 76, 255, 0.25), 0 18px 40px rgba(11, 27, 43, 0.6);
}

/* ---------- 目录更新 ---------- */
.page-home .home-catalog {
  background: var(--c-night);
}

.page-home .update-sep {
  color: var(--c-steel);
  padding: 0 0.6rem;
}

.page-home .stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-ice);
  margin: 1.4rem 0 clamp(1.4rem, 3.5vw, 2rem);
}

.page-home .stat-row .stat {
  background: var(--c-night);
  padding: 0.95rem 0.85rem;
}

.page-home .stat-row .stat-value {
  display: block;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  color: var(--c-neon);
}

.page-home .stat-row .stat-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--c-grit);
}

.page-home .catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-ice);
  border: 1px solid var(--line-ice);
}

.page-home .catalog-cell {
  display: grid;
  align-content: start;
  gap: 0.3rem;
  min-height: 5.6rem;
  padding: 0.9rem 0.85rem;
  background: var(--c-night);
  transition: background var(--t) var(--ease);
}

.page-home .catalog-cell:hover {
  background: rgba(18, 46, 69, 0.9);
}

.page-home .catalog-cell--live {
  background: rgba(43, 232, 176, 0.08);
  box-shadow: inset 0 0 0 1px rgba(43, 232, 176, 0.45);
}

.page-home .catalog-idx {
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--c-ice);
}

.page-home .catalog-cell--live .catalog-idx {
  color: var(--c-neon);
}

.page-home .catalog-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.35;
  color: var(--c-frost);
}

.page-home .catalog-desc {
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--c-grit);
}

/* ---------- 反馈与去处 ---------- */
.page-home .home-next {
  background: linear-gradient(180deg, var(--c-night), rgba(18, 46, 69, 0.45));
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

.page-home .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-home .next-main p {
  max-width: 36rem;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--c-body);
  margin: 0 0 0.9rem;
}

.page-home .next-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin: 1.2rem 0 0.9rem;
}

.page-home .next-mail {
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--c-grit);
  word-break: break-all;
}

.page-home .next-note {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-grit);
  border-left: 2px solid var(--c-orange);
  padding-left: 0.75rem;
}

.page-home .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-ice);
}

.page-home .next-links li {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .next-links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.95rem 0.2rem;
  text-decoration: none;
  color: var(--c-frost);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease), padding var(--t) var(--ease);
}

.page-home .next-links a:hover,
.page-home .next-links a:focus-visible {
  background: rgba(43, 232, 176, 0.07);
  box-shadow: inset 3px 0 0 var(--c-neon);
  padding-left: 0.7rem;
}

.page-home .next-links a > span:first-child {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.page-home .next-link-note {
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--c-grit);
}

/* ---------- 章节轨标题 ---------- */
.page-home .rail-title {
  font-family: var(--font-num);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-grit);
  margin: 0 0 0.7rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-home .guide-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 880px) {
  .page-home .hero-split {
    grid-template-columns: minmax(230px, 310px) minmax(0, 1fr);
    gap: var(--home-col-gap);
    align-items: start;
  }

  .page-home .pair-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-home .next-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(1.75rem, 4vw, 3.25rem);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-home .catalog-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .hero-head h1 {
    max-width: 18em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .season-nav a,
  .page-home .version-tick,
  .page-home .path-card,
  .page-home .path-link,
  .page-home .pair-text details,
  .page-home .next-links a,
  .page-home .catalog-cell {
    transition-duration: 1ms;
  }
}
</main>