.page-products {
  --cat-line: rgba(30, 58, 110, .9);
  --cat-glass: rgba(18, 36, 79, .55);
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(34, 224, 214, .10), transparent 64%),
    radial-gradient(820px 480px at -8% 22%, rgba(255, 138, 61, .07), transparent 60%),
    var(--qw-deep);
  color: var(--qw-snow);
  font-family: var(--qw-font);
  overflow-x: hidden;
}

.page-products .qw-breadcrumb {
  padding-top: var(--qw-gap-l);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  padding: var(--qw-gap-l) 0 var(--qw-gap-2xl);
}

.page-products .cat-hero__inner {
  display: grid;
  gap: var(--qw-gap-xl);
}

.page-products .cat-hero__title {
  margin: var(--qw-gap-s) 0 var(--qw-gap-m);
  font-size: clamp(2.05rem, 6.4vw, 4.35rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--qw-snow);
}

.page-products .cat-hero__lead {
  max-width: 40rem;
  color: var(--qw-mist);
  font-size: 1.0625rem;
  line-height: 1.9;
  margin: 0;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qw-gap-s);
  margin-top: var(--qw-gap-l);
}

.page-products .cat-hero__board {
  position: relative;
  padding: var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  background: var(--cat-glass);
}

.page-products .cat-hero__board::before {
  content: "";
  position: absolute;
  top: -1px;
  left: var(--qw-gap-m);
  width: 64px;
  height: 2px;
  background: var(--qw-cyan);
  box-shadow: var(--qw-glow);
}

.page-products .cat-hero__board-title {
  margin: 0 0 var(--qw-gap-m);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--qw-mist);
}

.page-products .cat-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--qw-gap-m);
}

.page-products .cat-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: var(--qw-gap-s);
  border-top: 1px solid var(--cat-line);
}

.page-products .cat-hero__stat-label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--qw-mist);
}

/* ---------- 章节通用 ---------- */
.page-products .cat-section {
  position: relative;
  padding: var(--qw-gap-2xl) 0;
}

.page-products .cat-section + .cat-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cat-line) 12%, var(--cat-line) 88%, transparent);
}

.page-products .cat-section__head {
  max-width: 46rem;
  margin-bottom: var(--qw-gap-xl);
}

.page-products .cat-section__title {
  margin: var(--qw-gap-s) 0 var(--qw-gap-m);
  font-size: clamp(1.55rem, 3.6vw, 2.4rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--qw-snow);
}

.page-products .cat-section__intro {
  margin: 0;
  color: var(--qw-mist);
  font-size: 1.0625rem;
  line-height: 1.88;
}

.page-products .cat-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--qw-gap-s);
  margin: var(--qw-gap-xl) 0 0;
  padding: var(--qw-gap-m) 0 0 var(--qw-gap-m);
  border-left: 2px solid var(--qw-cyan);
  border-top: 1px solid var(--cat-line);
  color: var(--qw-snow);
  font-size: .98rem;
  line-height: 1.8;
}

/* ---------- 图片容器 ---------- */
.page-products .cat-figure {
  margin: 0;
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  background: var(--qw-panel);
  overflow: hidden;
}

.page-products .cat-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06) brightness(.94);
}

.page-products .cat-figure figcaption {
  padding: var(--qw-gap-s) var(--qw-gap-m);
  border-top: 1px solid var(--cat-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--qw-mist);
}

.page-products .cat-figure--tilt {
  transform: rotate(-.6deg);
}

/* ---------- 栏目体系 ---------- */
.page-products .cat-system {
  display: grid;
  gap: var(--qw-gap-xl);
}

.page-products .cat-tree {
  display: grid;
  gap: var(--qw-gap-s);
  align-content: start;
}

.page-products .cat-tree__node {
  border: 1px solid var(--qw-border);
  border-radius: var(--qw-radius);
  background: var(--qw-panel);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-products .cat-tree__node[open] {
  border-color: rgba(34, 224, 214, .42);
  box-shadow: var(--qw-shadow);
}

.page-products .cat-tree__node > summary {
  display: flex;
  align-items: center;
  gap: var(--qw-gap-s);
  padding: var(--qw-gap-m);
  cursor: pointer;
  list-style: none;
  transition: background .2s ease;
}

.page-products .cat-tree__node > summary::-webkit-details-marker {
  display: none;
}

.page-products .cat-tree__node > summary::after {
  content: "+";
  flex: none;
  width: 1.4em;
  text-align: center;
  font-family: var(--qw-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--qw-cyan);
}

.page-products .cat-tree__node[open] > summary::after {
  content: "\2013";
}

.page-products .cat-tree__node > summary:hover {
  background: rgba(34, 224, 214, .06);
}

.page-products .cat-tree__node > summary:focus-visible {
  outline: 2px solid var(--qw-amber);
  outline-offset: -2px;
}

.page-products .cat-tree__name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--qw-snow);
}

.page-products .cat-tree__meta {
  margin-left: auto;
  font-family: var(--qw-mono);
  font-size: 12px;
  color: var(--qw-mist);
  white-space: nowrap;
}

.page-products .cat-tree__body {
  padding: 0 var(--qw-gap-m) var(--qw-gap-m);
  border-top: 1px solid var(--cat-line);
}

.page-products .cat-tree__body p {
  margin: var(--qw-gap-m) 0 var(--qw-gap-s);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--qw-mist);
}

.page-products .cat-tree__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--qw-gap-s);
}

.page-products .cat-tree__list li {
  padding-left: var(--qw-gap-m);
  border-left: 2px solid var(--qw-border);
  font-size: .95rem;
  line-height: 1.78;
  color: var(--qw-mist);
}

.page-products .cat-tree__list strong {
  color: var(--qw-snow);
  font-weight: 700;
}

.page-products .cat-system__figure {
  align-self: start;
}

/* ---------- 统计维度 ---------- */
.page-products .cat-section--stats {
  background:
    linear-gradient(180deg, rgba(11, 23, 56, .5), transparent 220px);
}

.page-products .cat-stats {
  list-style: none;
  margin: 0 0 var(--qw-gap-xl);
  padding: 0;
  display: grid;
  gap: 6px;
  counter-reset: stat;
}

.page-products .cat-stat {
  position: relative;
  counter-increment: stat;
  display: flex;
  align-items: center;
  gap: var(--qw-gap-s);
  padding: .65rem .85rem;
  border-radius: var(--qw-radius-s);
  border: 1px solid transparent;
  border-left: 2px solid rgba(34, 224, 214, .35);
  background: rgba(18, 36, 79, .5);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.page-products .cat-stat:hover {
  border-color: var(--qw-cyan);
  border-left-color: var(--qw-cyan);
  background: rgba(18, 36, 79, .85);
}

.page-products .cat-stat:focus-visible {
  outline: 2px solid var(--qw-amber);
  outline-offset: 2px;
}

.page-products .cat-stat__idx {
  flex: none;
  min-width: 1.7em;
  font-family: var(--qw-mono);
  font-size: 12px;
  color: rgba(159, 179, 217, .8);
}

.page-products .cat-stat__idx::before {
  content: counter(stat, decimal-leading-zero);
}

.page-products .cat-stat__name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--qw-snow);
}

.page-products .cat-stat__mode {
  margin-left: auto;
  flex: none;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-products .cat-stat__mode--live {
  color: var(--qw-amber);
  background: rgba(255, 138, 61, .12);
  border: 1px solid rgba(255, 138, 61, .38);
}

.page-products .cat-stat__mode--round {
  color: var(--qw-cyan);
  background: rgba(34, 224, 214, .10);
  border: 1px solid rgba(34, 224, 214, .32);
}

.page-products .cat-stat__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 6px);
  z-index: 6;
  width: min(320px, 90vw);
  padding: .6rem .75rem;
  border-radius: var(--qw-radius-s);
  border: 1px solid var(--qw-border);
  background: #071129;
  color: var(--qw-mist);
  font-size: 13px;
  line-height: 1.65;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  pointer-events: none;
}

.page-products .cat-stat:hover .cat-stat__tip,
.page-products .cat-stat:focus-visible .cat-stat__tip,
.page-products .cat-stat:focus-within .cat-stat__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 大屏 / 桌面对比 ---------- */
.page-products .cat-compare {
  display: grid;
  gap: var(--qw-gap-m);
  margin-bottom: var(--qw-gap-xl);
}

.page-products .cat-compare__panel {
  position: relative;
  padding: var(--qw-gap-l) var(--qw-gap-m) var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  background: linear-gradient(158deg, rgba(18, 36, 79, .92), rgba(11, 23, 56, .68));
  overflow: hidden;
}

.page-products .cat-compare__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 3px;
  background: var(--qw-amber);
}

.page-products .cat-compare__panel--desk::before {
  background: var(--qw-cyan);
  box-shadow: var(--qw-glow);
}

.page-products .cat-compare__panel h3 {
  margin: var(--qw-gap-s) 0 var(--qw-gap-m);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.38;
  color: var(--qw-snow);
}

.page-products .cat-compare__panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--qw-gap-s);
}

.page-products .cat-compare__panel li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--qw-mist);
}

.page-products .cat-compare__panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--qw-amber);
}

.page-products .cat-compare__panel--desk li::before {
  background: var(--qw-cyan);
}

/* ---------- 联赛分栏 ---------- */
.page-products .cat-leagues {
  list-style: none;
  margin: 0 0 var(--qw-gap-l);
  padding: 0;
  display: grid;
  gap: var(--qw-gap-s);
}

.page-products .cat-league {
  padding: var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  border-top: 3px solid var(--qw-crimson);
  background: var(--qw-panel);
}

.page-products .cat-league h3 {
  margin: var(--qw-gap-s) 0 var(--qw-gap-xs);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--qw-snow);
}

.page-products .cat-league__num {
  margin: 0 0 var(--qw-gap-s);
  font-size: .95rem;
  color: var(--qw-snow);
}

.page-products .cat-league__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--qw-mist);
}

.page-products .cat-switch-note {
  display: grid;
  gap: var(--qw-gap-s);
  margin-bottom: var(--qw-gap-xl);
  padding: var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--cat-line);
  border-left: 3px solid var(--qw-cyan);
  background: rgba(11, 23, 56, .6);
}

.page-products .cat-switch-note p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--qw-mist);
}

.page-products .cat-switch-note strong {
  color: var(--qw-snow);
  font-weight: 700;
}

/* ---------- 刷新记录 ---------- */
.page-products .cat-flow {
  list-style: none;
  margin: 0 0 var(--qw-gap-xl);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .cat-flow__item {
  position: relative;
  padding: 0 0 var(--qw-gap-l) var(--qw-gap-l);
  border-left: 1px solid var(--cat-line);
}

.page-products .cat-flow__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .cat-flow__item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: .55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qw-cyan);
  box-shadow: var(--qw-glow);
}

.page-products .cat-flow__time {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.page-products .cat-flow__item p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--qw-mist);
}

.page-products .cat-lookback {
  padding: var(--qw-gap-l) var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  background: var(--cat-glass);
}

.page-products .cat-lookback h3 {
  margin: 0 0 var(--qw-gap-s);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--qw-snow);
}

.page-products .cat-lookback p {
  margin: 0;
  max-width: 44rem;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--qw-mist);
}

/* ---------- 版本迭代 ---------- */
.page-products .cat-versions {
  display: grid;
  gap: var(--qw-gap-xl);
}

.page-products .cat-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--qw-gap-m);
}

.page-products .cat-timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--qw-gap-xs);
  padding: var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  border-left: 3px solid var(--qw-amber);
  background: var(--qw-panel);
}

.page-products .cat-timeline__year {
  font-size: 1.35rem;
}

.page-products .cat-timeline__item h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--qw-snow);
}

.page-products .cat-timeline__item p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--qw-mist);
}

/* ---------- 收尾入口 ---------- */
.page-products .cat-cta {
  padding: 0 0 var(--qw-gap-2xl);
}

.page-products .cat-cta__inner {
  display: grid;
  gap: var(--qw-gap-l);
  padding: var(--qw-gap-xl) var(--qw-gap-m);
  border-radius: var(--qw-radius);
  border: 1px solid var(--qw-border);
  background:
    linear-gradient(140deg, rgba(34, 224, 214, .10), transparent 55%),
    var(--qw-panel);
}

.page-products .cat-cta__copy h2 {
  margin: 0 0 var(--qw-gap-s);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--qw-snow);
}

.page-products .cat-cta__copy p {
  margin: 0;
  max-width: 42rem;
  font-size: .98rem;
  line-height: 1.88;
  color: var(--qw-mist);
}

.page-products .cat-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--qw-gap-s);
}

.page-products .cat-cta__links a {
  display: inline-flex;
  align-items: center;
  padding: .6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--qw-border);
  background: rgba(5, 11, 31, .5);
  color: var(--qw-snow);
  font-size: .92rem;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-products .cat-cta__links a:hover {
  border-color: var(--qw-cyan);
  color: var(--qw-cyan);
  transform: translateY(-2px);
}

.page-products .cat-cta__links a:focus-visible {
  outline: 2px solid var(--qw-amber);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .cat-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px var(--qw-gap-m);
  }

  .page-products .cat-leagues {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .cat-timeline__item {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: start;
    gap: var(--qw-gap-m);
  }

  .page-products .cat-timeline__year {
    text-align: left;
  }

  .page-products .cat-switch-note {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .cat-hero {
    padding-top: var(--qw-gap-xl);
  }

  .page-products .cat-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--qw-gap-2xl);
  }

  .page-products .cat-hero__board {
    margin-top: var(--qw-gap-m);
  }

  .page-products .cat-system {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--qw-gap-l);
  }

  .page-products .cat-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--qw-gap-l);
  }

  .page-products .cat-versions {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--qw-gap-l);
  }

  .page-products .cat-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    padding: var(--qw-gap-xl) var(--qw-gap-l);
  }

  .page-products .cat-cta__links {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-stat,
  .page-products .cat-tree__node,
  .page-products .cat-stat__tip,
  .page-products .cat-cta__links a {
    transition: none;
  }

  .page-products .cat-figure--tilt {
    transform: none;
  }
}