.page-platform {
  overflow-x: clip;
}

/* ---------- 首屏深色数据舱 ---------- */
.page-platform .hero-deck {
  position: relative;
  isolation: isolate;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  overflow: hidden;
  padding: var(--space-6) 0 var(--space-8);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.page-platform .hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.page-platform .hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-contrast-surface) 62%, transparent) 0%,
    color-mix(in srgb, var(--color-contrast-surface) 88%, transparent) 62%,
    var(--color-contrast-surface) 100%
  );
}

.page-platform .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.page-platform .hero-copy .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-platform .hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  margin: var(--space-3) 0 0;
  max-width: 15ch;
}

.page-platform .hero-lede {
  margin: var(--space-3) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
  max-width: 44ch;
}

.page-platform .hero-stats {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-platform .p-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

.page-platform .p-label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.4;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* 环形仪表盘 */
.page-platform .gauge-figure {
  position: relative;
  margin: 0;
  display: grid;
  place-items: center;
}

.page-platform .gauge-figure svg,
.page-platform .gauge-cap {
  grid-area: 1 / 1;
}

.page-platform .gauge-figure svg {
  width: min(270px, 68vw);
  height: auto;
  transition: transform 0.4s ease;
}

.page-platform .gauge-figure:hover svg {
  transform: scale(1.03);
}

.page-platform .gauge-track {
  stroke: var(--color-contrast-line);
}

.page-platform .gauge-arc {
  stroke: var(--color-contrast-accent);
}

.page-platform .gauge-cap {
  text-align: center;
  font-family: var(--font-mono);
  pointer-events: none;
}

.page-platform .gauge-num {
  display: block;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

.page-platform .gauge-cap small {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

.page-platform .gauge-note {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 52%, transparent);
}

/* ---------- 引文与筛选条 ---------- */
.page-platform .intro-band {
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
}

.page-platform .intro-lede {
  margin: var(--space-3) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 62ch;
}

.page-platform .intro-band .filter-bar {
  margin-top: var(--space-6);
}

.page-platform .chip {
  font-family: var(--font-mono);
}

/* ---------- 图文矩阵分组 ---------- */
.page-platform .matrix-group {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.page-platform .group-head .section-title {
  margin-top: var(--space-2);
  max-width: 24ch;
}

.page-platform .group-head .section-lede {
  margin-top: var(--space-3);
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
}

.page-platform .group-body {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-6);
}

.page-platform .group-plate {
  margin: 0;
  width: 100%;
}

.page-platform .group-plate img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-platform .mod-grid {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-platform .mod {
  position: relative;
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.28s ease, transform 0.28s ease;
}

.page-platform .mod::before {
  content: "";
  position: absolute;
  top: var(--space-4);
  left: 0;
  width: 3px;
  height: var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-platform .mod:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.page-platform .mod-title {
  margin: 0;
  padding-left: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-platform .mod-text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-platform .mod-meta {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

.page-platform .mod.is-filtered-out {
  display: none;
}

/* ---------- 联赛导航 ---------- */
.page-platform .league-section {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.page-platform .league-nav {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-3);
}

.page-platform .lg-group {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-platform .lg-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
  border-left: 3px solid var(--color-primary);
}

.page-platform .lg-summary::-webkit-details-marker {
  display: none;
}

.page-platform .lg-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-primary);
  line-height: 1;
}

.page-platform .lg-group[open] .lg-summary::after {
  content: "−";
}

.page-platform .league-nav .lg-name {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}

.page-platform .lg-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-platform .lg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-platform .lg-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-platform .lg-item:last-child {
  border-bottom: none;
}

.page-platform .lg-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-platform .lg-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
  padding-bottom: 2px;
}

.page-platform .lg-link:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

.page-platform .lg-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-platform .league-note {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
  max-width: 66ch;
}

/* ---------- 口径说明 ---------- */
.page-platform .caliber-section {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.page-platform .cal-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-platform .cal-item {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
}

.page-platform .cal-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-platform .cal-v {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-platform .cal-contact {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 72ch;
}

/* ---------- 收束深色区 ---------- */
.page-platform .closing-deck {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-8) 0;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.page-platform .closing-title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  max-width: 20ch;
}

.page-platform .closing-lede {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

.page-platform .closing-actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-platform .mod-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-platform .cal-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-platform .lg-item {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    align-items: start;
  }

  .page-platform .lg-item .lg-link {
    grid-column: 2;
  }

  .page-platform .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-platform .hero-deck {
    padding: var(--space-8) 0 var(--section-y);
  }

  .page-platform .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
    gap: var(--space-8);
  }

  .page-platform .group-body--split-right {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    align-items: start;
  }

  .page-platform .group-body--split-left {
    grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
    align-items: start;
  }

  .page-platform .group-body--split-left .group-plate {
    order: -1;
  }

  .page-platform .group-body--stack .mod-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-platform .closing-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
    align-items: end;
    gap: var(--space-6);
  }

  .page-platform .closing-inner .eyebrow,
  .page-platform .closing-inner .closing-title {
    grid-column: 1;
  }

  .page-platform .closing-inner .closing-lede {
    grid-column: 1;
  }

  .page-platform .closing-actions {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: center;
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-platform .cal-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>