/* =========================================================
   首页 · page-home
   夜间赛场指挥台：框景首屏 + 连续画布 + 横向比分条幅
   ========================================================= */

.page-home {
  --home-line: var(--rule);
  --home-line-soft: var(--rule-soft);
  --home-card-bg: rgba(7, 13, 21, .58);
  --home-pad: 20px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

@media (min-width: 768px) {
  .page-home { --home-pad: 40px; }
}

@media (min-width: 1200px) {
  .page-home { --home-pad: 72px; }
}

/* ---------- 区块通用节奏 ---------- */

.page-home .section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

.page-home .section-head h2 {
  margin: 12px 0 16px;
}

.page-home .section-head .lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 60ch;
}

.page-home .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-home .home-scores,
.page-home .home-library,
.page-home .home-scenes,
.page-home .home-latest,
.page-home .home-rhythm,
.page-home .home-start {
  padding: clamp(64px, 9vw, 104px) 0;
}

.page-home .home-start {
  border-top: 2px solid var(--home-line);
}

/* ---------- 首屏框景 ---------- */

.page-home .hero-frame {
  position: relative;
  padding: clamp(104px, 17vw, 156px) 0 clamp(56px, 8vw, 88px);
  border-bottom: 2px solid var(--home-line);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(30, 48, 72, .48) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 48, 72, .48) 1px, transparent 1px);
  background-size: 96px 96px;
  overflow: hidden;
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 78% 20%, rgba(200, 247, 81, .10), transparent 60%);
  pointer-events: none;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }
}

.page-home .hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 66px);
  line-height: 1.02;
  letter-spacing: -.01em;
  margin: 16px 0 20px;
  color: var(--paper);
}

.page-home .hero-copy .lead {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  max-width: 58ch;
}

.page-home .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  border: 2px solid var(--home-line);
  box-shadow: var(--shadow);
  background: var(--ink-2);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.9) brightness(.7);
}

.page-home .hero-visual::before,
.page-home .hero-visual::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--lime);
  pointer-events: none;
}

.page-home .hero-visual::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.page-home .hero-visual::after {
  right: -2px;
  bottom: -2px;
  border-top: 0;
  border-left: 0;
}

.page-home .hero-stamp {
  position: absolute;
  left: -2px;
  bottom: -2px;
  padding: 8px 14px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 锚点索引 ---------- */

.page-home .index-rail {
  border-bottom: 2px solid var(--home-line);
  background: var(--ink-2);
}

.page-home .index-scroll {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .index-scroll::-webkit-scrollbar { height: 4px; }
.page-home .index-scroll::-webkit-scrollbar-thumb { background: var(--rule); }

.page-home .index-link {
  flex: 0 0 auto;
  padding: 16px 20px;
  border-right: 1px solid var(--home-line-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  color: var(--paper);
  background: rgba(200, 247, 81, .08);
}

.page-home .index-link.is-active,
.page-home .index-link[aria-current="true"] {
  color: var(--lime);
  box-shadow: inset 0 -2px 0 var(--lime);
}

/* ---------- 横向比分条幅 ---------- */

.page-home .score-rail {
  overflow-x: auto;
  padding-bottom: 14px;
  scrollbar-color: var(--lime-deep) rgba(30, 48, 72, .55);
  scrollbar-width: thin;
}

.page-home .score-rail::-webkit-scrollbar { height: 6px; }
.page-home .score-rail::-webkit-scrollbar-track { background: rgba(30, 48, 72, .55); }
.page-home .score-rail::-webkit-scrollbar-thumb { background: var(--lime-deep); }

.page-home .score-rail .rail-track {
  display: flex;
  gap: 16px;
  padding: 4px 4px 4px 0;
  min-width: min-content;
}

.page-home .score-card {
  flex: 0 0 262px;
  border: 2px solid var(--home-line);
  background: var(--ink-2);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

@media (min-width: 768px) {
  .page-home .score-card { flex-basis: 288px; }
}

.page-home .score-card:hover,
.page-home .score-card:focus-within {
  border-color: var(--lime);
  transform: translate(-2px, -2px);
}

.page-home .score-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .score-round {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-home .score-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 14px 0 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lime);
}

.page-home .score-num .sep {
  font-size: 24px;
  color: var(--muted);
}

.page-home .score-state {
  margin: 0;
  font-size: 13px;
  color: var(--paper);
  letter-spacing: .02em;
}

.page-home .score-nodes {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--home-line-soft);
  display: grid;
  gap: 9px;
}

.page-home .score-nodes li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.page-home .node-time {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-home .rail-hint {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .03em;
}

/* ---------- 资料库三条通道 ---------- */

.page-home .home-library {
  border-top: 2px solid var(--home-line);
  border-bottom: 2px solid var(--home-line);
}

.page-home .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 900px) {
  .page-home .channel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .ch-a { grid-column: span 7; }
  .page-home .ch-b { grid-column: span 5; }
  .page-home .ch-c { grid-column: span 12; }
}

.page-home .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 2px solid var(--home-line);
  background: var(--home-card-bg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--dur) var(--ease);
}

.page-home .channel:hover {
  border-color: var(--lime-deep);
}

.page-home .ch-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-home .channel h3 {
  margin: 0;
}

.page-home .channel p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-home .channel-meta {
  padding-top: 14px;
  border-top: 1px solid var(--home-line-soft);
  font-size: 13px !important;
  color: var(--paper) !important;
}

.page-home .ch-figure {
  margin: 6px 0 0;
  border: 2px solid var(--home-line);
  background: var(--ink);
}

.page-home .ch-figure img,
.page-home .ch-c-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9) brightness(.78);
}

.page-home .ch-c {
  flex-direction: column;
}

@media (min-width: 900px) {
  .page-home .ch-c {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: center;
  }

  .page-home .ch-c-copy {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .page-home .ch-c-copy .btn {
    align-self: flex-start;
    margin-top: 6px;
  }
}

.page-home .ch-c-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .ch-c-copy .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-home .ch-c-figure {
  margin: 0;
  border: 2px solid var(--home-line);
  background: var(--ink);
}

/* ---------- 使用场景 ---------- */

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

.page-home .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-home .scene-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }
}

.page-home .scene-figure {
  margin: 0;
  border: 2px solid var(--home-line);
  box-shadow: var(--shadow);
  background: var(--ink-2);
}

.page-home .scene-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.9) brightness(.75);
}

.page-home .scene-list {
  list-style: none;
  counter-reset: scene;
  margin: 0;
  padding: 0;
}

.page-home .scene-list li {
  position: relative;
  counter-increment: scene;
  padding: 26px 0 26px 52px;
  border-top: 1px solid var(--home-line-soft);
}

.page-home .scene-list li:last-child {
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .scene-list li::before {
  content: "0" counter(scene);
  position: absolute;
  left: 0;
  top: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}

.page-home .scene-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .scene-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 62ch;
}

/* ---------- 最近更新 ---------- */

.page-home .home-latest {
  border-top: 2px solid var(--home-line);
}

.page-home .latest-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1000px) {
  .page-home .latest-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

.page-home .feed-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.page-home .feed-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--home-line-soft);
  transition: background-color var(--dur) var(--ease);
}

.page-home .feed-item:last-child {
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .feed-item:hover {
  background: rgba(200, 247, 81, .05);
}

@media (max-width: 560px) {
  .page-home .feed-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

.page-home .feed-body {
  min-width: 0;
}

.page-home .feed-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
}

.page-home .feed-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .02em;
}

.page-home .latest-side {
  border: 2px solid var(--home-line);
  background: rgba(7, 13, 21, .5);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.page-home .fact-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .fact-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--home-line-soft);
}

.page-home .fact-num {
  flex: 0 0 auto;
  min-width: 58px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  color: var(--lime);
}

.page-home .fact-label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 节奏与版本 ---------- */

.page-home .home-rhythm {
  border-top: 2px solid var(--home-line);
  border-bottom: 2px solid var(--home-line);
}

.page-home .rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 820px) {
  .page-home .rhythm-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-home .rhythm-card {
  position: relative;
  padding: 26px 24px 24px;
  border: 2px solid var(--home-line);
  background: rgba(7, 13, 21, .48);
  box-shadow: var(--shadow-sm);
}

.page-home .rhythm-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 46px;
  height: 4px;
  background: var(--lime);
}

.page-home .rhythm-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-home .rhythm-card h3 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .rhythm-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .version-track {
  margin-top: 56px;
}

.page-home .version-title {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
  font-weight: 400;
}

.page-home .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-home .version-list li {
  position: relative;
  padding: 22px 0;
  border-top: 1px solid var(--home-line-soft);
}

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

@media (min-width: 880px) {
  .page-home .version-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .version-list li {
    border-top: 2px solid var(--home-line);
    border-bottom: 0;
    padding: 24px 0 0;
  }

  .page-home .version-list li::before {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--lime);
  }
}

.page-home .version-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border: 1px solid var(--lime-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-home .version-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 46ch;
}

.page-home .rhythm-foot {
  margin: 40px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-home .rhythm-foot a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-deep);
  padding-bottom: 2px;
}

.page-home .rhythm-foot a:hover {
  color: var(--paper);
}

/* ---------- 开始使用 ---------- */

.page-home .start-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 900px) {
  .page-home .start-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

.page-home .start-main h2 {
  margin: 14px 0 16px;
}

.page-home .start-main .lead {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 52ch;
}

.page-home .start-support {
  border: 2px solid var(--home-line);
  border-left: 4px solid var(--lime);
  background: var(--ink-2);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.page-home .start-support h3 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  color: var(--paper);
}

.page-home .support-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .support-list > div {
  display: grid;
  gap: 4px;
}

.page-home .support-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-home .support-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-home .support-note {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--home-line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .support-links {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-home .support-links a {
  font-size: 14px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-deep);
  padding-bottom: 2px;
}

.page-home .support-links a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .score-card,
  .page-home .channel,
  .page-home .index-link {
    transition: none;
  }

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