.page-home {
  --home-edge: clamp(20px, 5vw, 64px);
  --home-track-pad: clamp(20px, 5vw, 64px);
  --home-amber-soft: rgba(232, 163, 61, .16);
  --home-cyan-soft: rgba(63, 232, 200, .12);
  --home-violet-soft: rgba(122, 92, 255, .14);
}

/* ---------- 通用章节骨架 ---------- */
.page-home .chapter {
  position: relative;
  padding-block: var(--pad-section);
}

.page-home .chapter::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 48%, var(--amber));
  opacity: .42;
}

.page-home .sec-lead {
  max-width: 40em;
  margin-top: 1.1em;
}

/* ---------- CH.01 封面 ---------- */
.page-home .cover {
  position: relative;
  padding-block: clamp(48px, 8vw, 112px) 0;
  overflow: hidden;
  background:
    radial-gradient(120% 78% at 80% -6%, var(--home-violet-soft), transparent 62%),
    radial-gradient(90% 62% at 6% 26%, var(--home-cyan-soft), transparent 62%),
    linear-gradient(180deg, var(--ink-deep), var(--ink) 68%, var(--cloud));
}

.page-home .cover-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .28;
  mask-image: radial-gradient(120% 90% at 50% 10%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 10%, #000 12%, transparent 78%);
  pointer-events: none;
}

.page-home .cover-arcs {
  position: absolute;
  inset-inline: -6%;
  bottom: 12%;
  width: 112%;
  height: auto;
  color: var(--cyan);
  opacity: .18;
  pointer-events: none;
}

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

.page-home .cover-idx {
  color: var(--cyan);
}

.page-home .cover-title {
  margin: clamp(22px, 4vw, 40px) 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(52px, 12.5vw, 168px);
  line-height: .93;
  letter-spacing: -.02em;
  display: flex;
  flex-direction: column;
}

.page-home .cover-title-a {
  color: var(--paper);
}

.page-home .cover-title-b {
  background: linear-gradient(96deg, var(--cyan) 4%, var(--violet) 58%, var(--amber) 104%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-left: clamp(0px, 4vw, 72px);
}

.page-home .cover-lead {
  margin-top: clamp(28px, 4vw, 48px);
  max-width: 38em;
  display: grid;
  gap: 1.2em;
}

.page-home .cover-lead p {
  margin: 0;
  color: var(--paper);
  opacity: .84;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
}

.page-home .cover-stats {
  margin: clamp(36px, 5vw, 60px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .cover-stat {
  background: rgba(14, 24, 48, .72);
  padding: clamp(16px, 2.4vw, 26px) clamp(14px, 2vw, 24px);
}

.page-home .cover-stat dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .cover-stat dd {
  margin: .4em 0 0;
  color: var(--paper);
}

.page-home .cover-stat .data-num {
  font-size: clamp(30px, 5vw, 54px);
  color: var(--cyan);
}

.page-home .cover-media {
  position: relative;
  z-index: 2;
  margin: clamp(44px, 6vw, 80px) 0 0;
}

.page-home .cover-media img {
  display: block;
  width: 100%;
  height: clamp(240px, 52vw, 560px);
  object-fit: cover;
  filter: saturate(.9) contrast(1.06);
}

.page-home .cover-media figcaption {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--home-edge) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- CH.02 更新节奏 ---------- */
.page-home .pulse-band {
  margin-top: clamp(32px, 4vw, 52px);
}

.page-home .band--scroll {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .band-track {
  display: flex;
  gap: clamp(14px, 2vw, 24px);
  padding: 4px var(--home-track-pad) 24px;
  width: max-content;
}

.page-home .pulse-card {
  scroll-snap-align: start;
  flex: 0 0 min(80vw, 320px);
  padding: clamp(20px, 2.6vw, 28px);
  display: flex;
  flex-direction: column;
  gap: .6em;
  background: linear-gradient(180deg, rgba(14, 24, 48, .96), rgba(6, 11, 24, .96));
}

.page-home .pulse-figure {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .3em;
}

.page-home .pulse-figure .data-num {
  font-size: clamp(34px, 6vw, 50px);
  color: var(--cyan);
}

.page-home .pulse-figure .data-num:only-child {
  font-size: clamp(24px, 4vw, 34px);
}

.page-home .pulse-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-home .pulse-title {
  margin: .2em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .pulse-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- CH.03 裁决聚焦 ---------- */
.page-home .ruling-chapter {
  background:
    radial-gradient(80% 60% at 50% 0%, var(--home-amber-soft), transparent 70%),
    var(--ink-deep);
}

.page-home .focus-card {
  position: relative;
  width: min(760px, 92vw);
  margin: clamp(28px, 4vw, 48px) auto 0;
  padding: clamp(30px, 5vw, 62px) clamp(24px, 5vw, 60px);
  background: linear-gradient(180deg, var(--cloud), var(--ink));
  border: 1px solid var(--amber);
  box-shadow:
    12px 14px 0 -1px rgba(4, 7, 17, .9),
    0 0 0 1px rgba(232, 163, 61, .2) inset;
  transition: box-shadow 420ms var(--ease), transform 420ms var(--ease);
}

.page-home .focus-card::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(232, 163, 61, .34);
  pointer-events: none;
}

.page-home .focus-card:hover,
.page-home .focus-card:focus-within {
  transform: translate(-2px, -2px);
  box-shadow:
    16px 18px 0 -1px rgba(4, 7, 17, .95),
    0 0 0 1px rgba(232, 163, 61, .5) inset,
    0 0 34px rgba(232, 163, 61, .22);
}

.page-home .focus-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--amber);
}

.page-home .focus-corner--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.page-home .focus-corner--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.page-home .focus-corner--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.page-home .focus-corner--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.page-home .focus-card-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--amber);
}

.page-home .focus-card-title {
  margin: .7em 0 .9em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.24;
  color: var(--paper);
}

.page-home .focus-card .ruling {
  margin: 0;
  color: rgba(243, 245, 249, .88);
  font-size: clamp(16px, 1.8vw, 19px);
}

.page-home .focus-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-home .focus-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-home .ruling-media {
  width: min(420px, 84vw);
  margin: clamp(36px, 5vw, 64px) auto 0;
}

.page-home .ruling-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(.86);
}

.page-home .ruling-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-align: center;
}

/* ---------- CH.04 四联赛 ---------- */
.page-home .league-media {
  margin: clamp(32px, 4vw, 52px) 0 0;
}

.page-home .league-media img {
  display: block;
  width: 100%;
  height: clamp(200px, 34vw, 380px);
  object-fit: cover;
  filter: saturate(.84) brightness(.86);
}

.page-home .league-media figcaption {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--home-edge) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-home .league-band {
  margin-top: clamp(24px, 3vw, 40px);
}

.page-home .league-card {
  scroll-snap-align: start;
  flex: 0 0 min(84vw, 360px);
  padding: clamp(22px, 2.8vw, 30px);
  display: flex;
  flex-direction: column;
  gap: .8em;
  background: linear-gradient(180deg, rgba(14, 24, 48, .94), rgba(6, 11, 24, .94));
  transition: border-color 360ms var(--ease), transform 360ms var(--ease);
}

.page-home .league-card:hover {
  border-color: rgba(63, 232, 200, .5);
  transform: translateY(-3px);
}

.page-home .league-nums {
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .22em .5em;
}

.page-home .league-nums .data-num {
  font-size: clamp(32px, 5vw, 46px);
  color: var(--paper);
}

.page-home .league-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  margin-right: .8em;
}

.page-home .league-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 245, 249, .74);
}

.page-home .league-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .league-hover {
  margin: 0;
  padding-top: .8em;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- CH.05 时间轴 ---------- */
.page-home .timeline-filter {
  margin-top: clamp(24px, 3vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .timeline {
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0 0 0 34px;
  position: relative;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 52%, var(--amber));
  opacity: .6;
}

.page-home .timeline-item {
  position: relative;
  padding-bottom: clamp(24px, 3.4vw, 40px);
}

.page-home .timeline-item:last-child {
  padding-bottom: 0;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 9px;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--ink);
  border: 1px solid var(--cyan);
}

.page-home .timeline-mark {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-home .timeline-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 20px;
  padding: 0 6px;
  border: 1px solid rgba(63, 232, 200, .42);
  color: var(--cyan);
}

.page-home .timeline-title {
  margin: .55em 0 .4em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.3;
  color: var(--paper);
}

.page-home .timeline-desc {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 245, 249, .74);
}

.page-home .timeline-media {
  margin: clamp(38px, 5vw, 64px) 0 0;
}

.page-home .timeline-media img {
  display: block;
  width: 100%;
  height: clamp(190px, 30vw, 340px);
  object-fit: cover;
  filter: saturate(.8);
}

.page-home .timeline-media figcaption {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--home-edge) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- CH.06 入口索引 ---------- */
.page-home .entry-list {
  margin-top: clamp(28px, 4vw, 44px);
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .entry-list .doc-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7em;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 320ms var(--ease), padding-left 320ms var(--ease);
}

.page-home .entry-list .doc-row:hover {
  background: linear-gradient(90deg, var(--home-violet-soft), transparent 70%);
  padding-left: 12px;
}

.page-home .entry-list .doc-row-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-home .entry-list .doc-row-title {
  margin: 0 0 .4em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
}

.page-home .entry-list .doc-row-title a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 260ms var(--ease), border-color 260ms var(--ease);
}

.page-home .entry-list .doc-row-title a:hover,
.page-home .entry-list .doc-row-title a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--violet);
}

.page-home .entry-list .doc-row-desc {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .entry-list .doc-row-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 窄屏与桌面适配 ---------- */
@media (max-width: 560px) {
  .page-home .cover-stats {
    grid-template-columns: 1fr;
  }

  .page-home .cover-title-b {
    padding-left: 0;
  }

  .page-home .cover-arcs {
    opacity: .12;
  }

  .page-home .focus-card {
    width: min(100%, 94vw);
    padding: 26px 20px;
    box-shadow: 7px 8px 0 -1px rgba(4, 7, 17, .9);
  }

  .page-home .focus-card::after {
    inset: 5px;
  }
}

@media (min-width: 721px) {
  .page-home .entry-list .doc-row {
    grid-template-columns: 72px minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: 0 24px;
  }

  .page-home .entry-list .doc-row-tags {
    justify-content: flex-end;
    padding-top: 6px;
  }
}

@media (min-width: 1025px) {
  .page-home .cover-inner {
    padding-bottom: clamp(40px, 5vw, 72px);
  }

  .page-home .pulse-card {
    flex: 0 0 306px;
  }

  .page-home .league-card {
    flex: 0 0 372px;
  }

  .page-home .timeline {
    padding-left: 46px;
  }

  .page-home .timeline::before {
    left: 10px;
  }

  .page-home .timeline-item::before {
    left: -46px;
    top: 11px;
    width: 11px;
    height: 11px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .page-home .league-hover {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height 420ms var(--ease), opacity 420ms var(--ease), padding-top 420ms var(--ease);
  }

  .page-home .league-card:hover .league-hover,
  .page-home .league-card:focus-within .league-hover {
    max-height: 14em;
    opacity: 1;
    padding-top: .8em;
    border-top-color: var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .focus-card,
  .page-home .league-card,
  .page-home .entry-list .doc-row,
  .page-home .league-hover {
    transition: none;
  }

  .page-home .focus-card:hover,
  .page-home .league-card:hover {
    transform: none;
  }
}