.page-home {
  --home-panel: linear-gradient(180deg, rgba(18, 28, 51, .92) 0%, rgba(12, 21, 38, .78) 100%);
  --home-panel-flat: #0E192C;
}

.page-home section[id] {
  scroll-margin-top: calc(var(--header-h) + 1.25rem);
}

/* ---------- 章节标记 ---------- */
.page-home .sec-mark {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.4rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--line);
}
.page-home .sec-mark .chapter-num {
  color: var(--orange);
  font-size: .82rem;
  letter-spacing: .1em;
}
.page-home .sec-mark__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .84rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-home .section-head {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-home .cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(2.25rem, 7vw, 5rem));
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
}
.page-home .cover__media,
.page-home .cover__grid,
.page-home .cover__scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-home .cover__media {
  z-index: -3;
}
.page-home .cover__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}
.page-home .cover__grid {
  z-index: -2;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
}
.page-home .cover__scrim {
  z-index: -1;
  background:
    radial-gradient(55% 45% at 12% 16%, rgba(61, 245, 212, .13), transparent 68%),
    radial-gradient(42% 38% at 88% 6%, rgba(255, 92, 57, .12), transparent 70%),
    linear-gradient(180deg, rgba(10, 16, 32, .55) 0%, rgba(10, 16, 32, .9) 62%, var(--ink-950) 100%);
}
.page-home .cover__inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
}
.page-home .cover__h1-accent {
  color: var(--cyan);
}
.page-home .cover__lede {
  max-width: 44ch;
  margin-top: 1.3rem;
  color: var(--mist);
}
.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.7rem;
}
.page-home .cover__quick {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  margin-top: 1.4rem;
  padding: .6rem .95rem .6rem .8rem;
  border: 1px solid rgba(61, 245, 212, .34);
  border-radius: 100px;
  background: rgba(61, 245, 212, .07);
  color: var(--mist);
  font-size: .84rem;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.page-home .cover__quick:hover {
  border-color: var(--cyan);
  background: rgba(61, 245, 212, .13);
}
.page-home .cover__quick strong {
  color: var(--white);
  font-weight: 700;
}
.page-home .cover__quick-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: var(--glow);
}

/* ---------- 首屏索引面板 ---------- */
.page-home .cover__index {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--home-panel);
  padding: 1.25rem 1.15rem 1.15rem;
  box-shadow: var(--shadow);
}
.page-home .cover__index-title {
  margin: 0 0 .85rem;
  font-size: .72rem;
  letter-spacing: .24em;
  color: var(--slate);
}
.page-home .cover__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .cover__index-list a {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .55rem .1rem;
  border-bottom: 1px dashed rgba(30, 43, 66, .95);
  color: var(--mist);
  font-size: .95rem;
  text-decoration: none;
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}
.page-home .cover__index-list li:last-child a {
  border-bottom: 0;
}
.page-home .cover__index-list a:hover {
  color: var(--cyan);
  padding-left: .35rem;
}
.page-home .cover__index-list .mono {
  flex: none;
  color: var(--orange);
  font-size: .78rem;
}
.page-home .cover__index-note {
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line);
  font-size: .8rem;
  line-height: 1.7;
}

/* ---------- 横向赛区通道 ---------- */
.page-home .cover__track {
  margin-top: clamp(2rem, 5vw, 3.25rem);
}
.page-home .channel-track {
  display: flex;
  gap: .9rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-bottom: .9rem;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}
.page-home .channel-track[data-dragging] {
  cursor: grabbing;
}
.page-home .channel-track::-webkit-scrollbar {
  height: 4px;
}
.page-home .channel-track::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}
.page-home .channel {
  flex: 0 0 min(74vw, 230px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1rem 1.05rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--home-panel);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.page-home .channel:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 245, 212, .45);
  box-shadow: var(--shadow);
}
.page-home .channel--orange:hover {
  border-color: rgba(255, 92, 57, .5);
}
.page-home .channel__label {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--white);
}
.page-home .channel__spark {
  width: 100%;
  height: 34px;
  color: var(--cyan);
  opacity: .85;
}
.page-home .channel--orange .channel__spark {
  color: var(--orange);
}
.page-home .channel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
  margin: 0;
  font-size: .82rem;
  color: var(--slate);
}
.page-home .channel__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--mist);
}
.page-home .channel-hint {
  margin: .35rem 0 0;
  font-size: .78rem;
}

/* ---------- 01 赛区脉搏 ---------- */
.page-home .pulse-grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}
.page-home .pulse-side {
  display: grid;
  gap: var(--gap);
}
.page-home .pulse-feature {
  display: flex;
  flex-direction: column;
}
.page-home .pulse-feature .media--wide {
  margin: 0;
}
.page-home .pulse-feature .media__frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 6px;
}
.page-home .pulse-feature .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .9;
}
.page-home .pulse-feature .card__body {
  padding-top: 1.2rem;
}
.page-home .pulse-feature .card__title {
  margin-top: .35rem;
}
.page-home .pulse-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
  margin: 1.15rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.page-home .pulse-metrics dt {
  margin-bottom: .3rem;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--slate);
}
.page-home .pulse-metrics dd {
  margin: 0;
  font-size: 1.05rem;
  color: var(--cyan);
}
.page-home .pulse-metrics div:nth-child(2) dd {
  color: var(--orange);
}

/* ---------- 02 资料下载索引 ---------- */
.page-home .dl-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}
.page-home .dl-rail {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--home-panel);
  padding: 1.1rem 1rem 1rem;
}
.page-home .dl-rail__title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--slate);
}
.page-home .dl-rail__list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: .15rem;
}
.page-home .dl-rail__link {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  padding: .55rem .65rem;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  color: var(--mist);
  font-size: .92rem;
  text-decoration: none;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.page-home .dl-rail__link:hover {
  background: rgba(61, 245, 212, .07);
}
.page-home .dl-rail__link[data-active],
.page-home .dl-rail__link.is-active {
  border-left-color: var(--cyan);
  background: rgba(61, 245, 212, .1);
  color: var(--white);
}
.page-home .dl-rail__num {
  color: var(--orange);
  font-size: .74rem;
}

.page-home .dl-panels {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-900);
}
.page-home .dl-figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink-950);
}
.page-home .dl-figure .media {
  margin: 0;
}
.page-home .dl-figure .media__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.page-home .dl-figure .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
}
.page-home .dl-figure .media__caption {
  padding: .85rem clamp(1rem, 3vw, 1.5rem);
  border-top: 1px solid var(--line);
  font-size: .82rem;
  color: var(--slate);
}
.page-home .dl-panel {
  padding: clamp(1.15rem, 3vw, 1.7rem);
  border-bottom: 1px solid var(--line);
  background: var(--ink-900);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
  transition: background .3s var(--ease);
}
.page-home .dl-panel:last-child {
  border-bottom: 0;
}
.page-home .dl-panel:hover {
  background: var(--home-panel-flat);
}
.page-home .dl-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-bottom: .8rem;
}
.page-home .dl-panel__head h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: .01em;
  color: var(--white);
}
.page-home .dl-panel__head .chapter-num {
  color: var(--slate);
  font-size: .78rem;
}
.page-home .dl-panel p {
  margin: 0;
  color: var(--mist);
  font-size: .95rem;
  line-height: 1.8;
}
.page-home .dl-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.page-home .dl-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--mist);
}
.page-home .dl-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 1px;
  transform: rotate(45deg);
}
.page-home .dl-panel__action {
  margin-top: 1.1rem;
}
.page-home .dl-panel__action a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--cyan);
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 212, .35);
  padding-bottom: 2px;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.page-home .dl-panel__action a::after {
  content: "→";
  font-family: var(--font-mono);
}
.page-home .dl-panel__action a:hover {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 03 订阅赛区通道 ---------- */
.page-home .sub-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}
.page-home .sub-copy .lede {
  max-width: 48ch;
  margin-top: 1rem;
  color: var(--mist);
}
.page-home .sub-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .85rem;
  margin-top: 1.6rem;
  font-size: .85rem;
}
.page-home .sub-status .status-chip[data-status="ready"] .status-chip__dot {
  animation: home-pulse 2.6s ease-in-out infinite;
}
@keyframes home-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61, 245, 212, .55); }
  50% { box-shadow: 0 0 0 8px rgba(61, 245, 212, 0); }
}
.page-home .sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.7rem;
}
.page-home .sub-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-home .sub-steps li {
  padding: 1.2rem 1.25rem;
  background: var(--ink-900);
}
.page-home .sub-steps__num {
  color: var(--orange);
  font-size: .78rem;
  letter-spacing: .1em;
}
.page-home .sub-steps h3 {
  margin: .4rem 0 .45rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--white);
}
.page-home .sub-steps p {
  margin: 0;
  font-size: .91rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 04 小屏端常见说明 ---------- */
.page-home .ss-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}
.page-home .ss-figure {
  margin: 0;
}
.page-home .ss-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  opacity: .9;
}
.page-home .ss-figure figcaption {
  margin-top: .8rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--slate);
}
.page-home .ss-copy p {
  margin-top: 1rem;
  color: var(--mist);
  line-height: 1.85;
}
.page-home .ss-points {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-home .ss-points li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--mist);
}
.page-home .ss-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}
.page-home .ss-points strong {
  display: block;
  margin-bottom: .2rem;
  color: var(--white);
  font-size: .96rem;
}
.page-home .ss-copy .btn {
  margin-top: 1.7rem;
}

/* ---------- 05 持续维护与覆盖 ---------- */
.page-home .cov-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--line);
}
.page-home .cov-cell {
  padding: 1.3rem 1.15rem;
  background: var(--ink-900);
}
.page-home .cov-num {
  display: block;
  font-size: clamp(1.55rem, 5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--cyan);
}
.page-home .cov-num--orange {
  color: var(--orange);
}
.page-home .cov-label {
  display: block;
  margin-top: .5rem;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--slate);
}
.page-home .cov-note {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  padding: clamp(1.2rem, 3vw, 1.7rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--home-panel);
}
.page-home .cov-note p {
  margin: 0;
  color: var(--mist);
  line-height: 1.85;
}
.page-home .cov-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.3rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .channel {
    flex: 0 0 250px;
  }
  .page-home .cov-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .cover__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .82fr);
    align-items: start;
  }
  .page-home .pulse-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .dl-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
  .page-home .dl-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
  .page-home .sub-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .ss-layout {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-home .cov-note {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }
  .page-home .cov-note p {
    max-width: 62ch;
  }
  .page-home .cov-links {
    margin-top: 0;
    flex: none;
  }
}

@media (max-width: 420px) {
  .page-home .pulse-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    font-size: .9rem;
  }
  .page-home .pulse-metrics dd {
    font-size: .95rem;
  }
  .page-home .channel {
    flex: 0 0 82vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .sub-status .status-chip[data-status="ready"] .status-chip__dot {
    animation: none;
  }
  .page-home .channel,
  .page-home .cover__quick,
  .page-home .cover__index-list a,
  .page-home .dl-rail__link,
  .page-home .dl-panel,
  .page-home .dl-panel__action a {
    transition: none;
  }
  .page-home .channel:hover {
    transform: none;
  }
}
</PAGE_CSS>>>