.page-products {
  --cat-rail: 218px;
  --cat-gap: 28px;
  padding-bottom: 72px;
}

/* ---------- Hero ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 44px;
  border-bottom: 1px solid var(--c-line);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 160%;
  background:
    radial-gradient(52% 62% at 10% 6%, rgba(61, 242, 192, .13), transparent 64%),
    radial-gradient(44% 54% at 90% 26%, rgba(240, 180, 41, .09), transparent 62%);
  pointer-events: none;
}

.page-products .cat-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .cat-hero h1 {
  margin: 14px 0 0;
  font-size: var(--fs-2xl);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-wide);
  color: var(--c-paper);
}

.page-products .cat-hero__lead {
  max-width: 40em;
  margin: 16px 0 0;
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .cat-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px dashed var(--c-line);
  list-style: none;
}

.page-products .cat-figures li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .cat-figures__n {
  font-family: var(--ff-mono);
  font-size: var(--fs-lg);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--ls-wide);
  color: var(--c-amber);
}

.page-products .cat-figures__l {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-mist-dim);
}

/* ---------- 双栏骨架 ---------- */
.page-products .cat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cat-gap);
  padding-top: 36px;
}

.page-products .cat-rail {
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

.page-products .cat-rail__label {
  margin: 0 0 10px;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--c-mist-dim);
}

.page-products .cat-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 10px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-products .cat-rail__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  white-space: nowrap;
  font-size: var(--fs-sm);
  color: var(--c-mist);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .cat-rail__list a:hover,
.page-products .cat-rail__list a:focus-visible {
  color: var(--c-paper);
  border-color: rgba(61, 242, 192, .55);
  background-color: rgba(61, 242, 192, .07);
}

.page-products .cat-rail__n {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-amber);
}

.page-products .cat-rail__hint {
  display: none;
  margin: 16px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--c-mist-dim);
}

/* ---------- 章节通用 ---------- */
.page-products .cat-flow {
  min-width: 0;
}

.page-products .cat-sec {
  padding-bottom: 52px;
  margin-bottom: 52px;
  border-bottom: 1px solid var(--c-line);
}

.page-products .cat-sec:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-sec--use {
  border-top: 2px solid var(--c-teal);
}

.page-products .cat-sec .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .cat-sec .section-head h2 {
  margin: 0;
  font-size: var(--fs-lg);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-wide);
  color: var(--c-paper);
}

.page-products .cat-sec .section-num {
  flex: none;
  margin: 0;
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  color: var(--c-amber);
}

.page-products .cat-lede {
  max-width: 42em;
  margin: 0 0 24px;
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .cat-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-teal);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .cat-tail {
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--c-line);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .cat-tail a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 192, .35);
}

.page-products .cat-tail a:hover,
.page-products .cat-tail a:focus-visible {
  color: var(--c-glow);
  border-bottom-color: var(--c-glow);
}

/* ---------- 图框 ---------- */
.page-products .frame {
  margin: 0;
  background-color: var(--c-carbon);
}

.page-products .frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
}

/* ---------- 路径三选 ---------- */
.page-products .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid var(--c-line);
}

.page-products .path {
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .path__tag {
  margin: 0 0 8px;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--c-amber);
}

.page-products .path h3 {
  margin: 0 0 8px;
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
  color: var(--c-paper);
}

.page-products .path p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .path__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 192, .4);
}

.page-products .path__link:hover,
.page-products .path__link:focus-visible {
  color: var(--c-glow);
  border-bottom-color: var(--c-glow);
}

/* ---------- 双栏图文 ---------- */
.page-products .cat-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.page-products .cat-split__fig {
  margin: 0;
}

/* ---------- 条目折叠 ---------- */
.page-products .entry {
  border-bottom: 1px solid var(--c-line);
}

.page-products .entry__head {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "num stage"
    "title title";
  gap: 4px 12px;
  align-items: baseline;
  padding: 15px 26px 15px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
}

.page-products .entry__head::-webkit-details-marker {
  display: none;
}

.page-products .entry__head::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 15px;
  font-family: var(--ff-mono);
  font-size: var(--fs-md);
  line-height: 1;
  color: var(--c-mist-dim);
  transition: color .2s var(--ease);
}

.page-products .entry[open] .entry__head::after {
  content: "–";
  color: var(--c-neon);
}

.page-products .entry__head:hover::after {
  color: var(--c-neon);
}

.page-products .entry__head:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.page-products .entry__num {
  grid-area: num;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--ls-wide);
  color: var(--c-amber);
}

.page-products .entry__title {
  grid-area: title;
  font-size: var(--fs-base);
  line-height: var(--lh-snug);
  color: var(--c-paper);
}

.page-products .entry__stage {
  grid-area: stage;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-mist-dim);
}

.page-products .entry__body {
  padding: 0 30px 16px 0;
}

.page-products .entry__body p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

/* ---------- 进阶列表 ---------- */
.page-products .adv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-products .adv-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .adv-item__num {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-amber);
}

.page-products .adv-item__body h3 {
  margin: 0 0 8px;
  font-size: var(--fs-md);
  line-height: var(--lh-snug);
  color: var(--c-paper);
}

.page-products .adv-item__body p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

/* ---------- 房间分区 ---------- */
.page-products .room-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-products .room {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "n t"
    "n d";
  gap: 3px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background-color .2s var(--ease);
}

.page-products .room:hover {
  background-color: rgba(61, 242, 192, .05);
}

.page-products .room__n {
  grid-area: n;
  align-self: center;
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  font-variant-numeric: tabular-nums;
  color: var(--c-amber);
}

.page-products .room__t {
  grid-area: t;
  font-size: var(--fs-base);
  color: var(--c-paper);
}

.page-products .room__d {
  grid-area: d;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--c-mist-dim);
}

/* ---------- 玩法规格表 ---------- */
.page-products .spec {
  margin: 0;
}

.page-products .spec dt {
  margin: 0 0 4px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-neon);
}

.page-products .spec dt:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .spec dd {
  margin: 0 0 16px;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .spec dd:last-child {
  margin-bottom: 0;
}

/* ---------- 常见误区 ---------- */
.page-products .myth-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-products .myth {
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
  border-left: 3px solid rgba(255, 93, 93, .5);
  padding-left: 16px;
}

.page-products .myth h3 {
  margin: 0 0 8px;
  font-size: var(--fs-base);
  line-height: var(--lh-snug);
  color: var(--c-paper);
}

.page-products .myth p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

/* ---------- 批次区块 ---------- */
.page-products .cat-sec--batch {
  background: linear-gradient(160deg, rgba(14, 39, 33, .72), rgba(8, 19, 15, 0) 68%);
  padding: 28px 18px 36px;
  margin-left: -18px;
  margin-right: -18px;
  border-bottom: 0;
}

.page-products .batch-block__chip {
  margin: 0 0 16px;
}

.page-products .batch-block__lead {
  margin: 0 0 20px;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .batch-points {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .batch-points li {
  padding: 11px 0;
  border-top: 1px dotted var(--c-line);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--c-mist);
}

.page-products .batch-points li:last-child {
  border-bottom: 1px dotted var(--c-line);
}

.page-products .batch-points__k {
  display: inline-block;
  min-width: 5.5em;
  margin-right: 10px;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-amber);
}

/* ---------- 移动端收尾 ---------- */
.page-products .cat-hero .label-print {
  display: inline-block;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .cat-hero {
    padding: 46px 0 56px;
  }

  .page-products .cat-hero h1 {
    font-size: var(--fs-2xl);
  }

  .page-products .cat-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
    border-top: 1px solid var(--c-line);
  }

  .page-products .entry__head {
    grid-template-columns: 4.6em minmax(0, 1fr) auto;
    grid-template-areas: "num title stage";
    gap: 14px;
  }

  .page-products .entry__body {
    padding-left: calc(4.6em + 14px);
  }

  .page-products .adv-item {
    grid-template-columns: 5em minmax(0, 1fr);
    gap: 16px;
  }

  .page-products .room-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-products .myth-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
    border-top: 0;
  }

  .page-products .myth {
    border-top: 1px solid var(--c-line);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products {
    padding-bottom: 104px;
  }

  .page-products .cat-layout {
    grid-template-columns: var(--cat-rail) minmax(0, 1fr);
    gap: 56px;
    padding-top: 48px;
  }

  .page-products .cat-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--c-line);
    padding-left: 18px;
  }

  .page-products .cat-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-products .cat-rail__list a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 2px 9px 10px;
    margin-left: -12px;
  }

  .page-products .cat-rail__list a:hover,
  .page-products .cat-rail__list a:focus-visible {
    background-color: transparent;
    border-left-color: var(--c-neon);
  }

  .page-products .cat-rail__hint {
    display: block;
  }

  .page-products .cat-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-products .cat-split--rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }

  .page-products .cat-sec--batch {
    padding: 36px 30px 44px;
    margin-left: -30px;
    margin-right: -30px;
  }

  .page-products .cat-sec--batch .cat-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .page-products .cat-hero h1 {
    font-size: var(--fs-3xl);
  }
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-products [data-reveal] {
    transition: opacity .55s var(--ease), transform .55s var(--ease);
  }

  .has-js .page-products [data-reveal] {
    opacity: 0;
    transform: translateY(12px);
  }

  .has-js .page-products [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }
}