.page-products {
  --cat-rail: 236px;
  --cat-gap: clamp(18px, 3vw, 36px);
  background: var(--bg-night);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
}

.page-products .breadcrumb-item {
  color: var(--ink-soft);
  text-decoration: none;
}

.page-products a.breadcrumb-item:hover {
  color: var(--mint);
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-products .breadcrumb-item[aria-current="page"] {
  color: var(--mint);
}

/* 首屏 */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 32px) 0 clamp(28px, 4vw, 52px);
  background:
    radial-gradient(90% 80% at 88% -10%, rgba(110, 63, 168, 0.55), transparent 62%),
    radial-gradient(70% 60% at -5% 110%, rgba(43, 227, 178, 0.13), transparent 60%);
  border-bottom: 1px solid var(--line);
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.16;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 72%);
  mask-image: linear-gradient(180deg, #000, transparent 72%);
}

.page-products .cat-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  padding-top: clamp(16px, 3vw, 30px);
}

.page-products .cat-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grape-bright);
}

.page-products .cat-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--mint);
}

.page-products .cat-title-xl {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .cat-lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-hero-actions .btn {
  text-decoration: none;
}

.page-products .cat-side {
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(30, 21, 51, 0.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-products .cat-side-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.page-products .cat-side ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-side li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(70, 52, 95, 0.7);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .cat-side li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .cat-side .side-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* 目录主体与粘性索引 */
.page-products .cat-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 4vw, 48px);
}

.page-products .cat-main {
  min-width: 0;
}

.page-products .cat-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-products .cat-rail-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-dim);
}

.page-products .cat-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-products .cat-rail-list li {
  flex: 0 0 auto;
}

.page-products .cat-rail-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(30, 21, 51, 0.66);
  color: var(--ink-soft);
  font-size: 13.5px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-rail-list a:hover {
  color: var(--paper);
  border-color: var(--grape-bright);
  transform: translateY(-1px);
}

.page-products .cat-rail-list .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mint);
}

.page-products .cat-rail-note {
  display: none;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(110, 63, 168, 0.16);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 章节 */
.page-products .cat-section {
  scroll-margin-top: 96px;
}

.page-products .cat-section + .cat-section {
  margin-top: clamp(36px, 5vw, 68px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

.page-products .cat-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
  text-wrap: balance;
}

.page-products .cat-p {
  margin: 0 0 20px;
  max-width: 68ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 计数 */
.page-products .cat-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .cat-stat {
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(30, 21, 51, 0.9), rgba(16, 12, 28, 0.9));
}

.page-products .cat-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--paper);
}

.page-products .cat-stat:nth-child(2) .cat-stat-num {
  color: var(--grape-bright);
}

.page-products .cat-stat:nth-child(3) .cat-stat-num {
  color: var(--gold);
}

.page-products .cat-stat:nth-child(4) .cat-stat-num {
  color: var(--mint);
}

.page-products .cat-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
}

/* 图片容器 */
.page-products .media-frame {
  margin: 0 0 clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  overflow: hidden;
}

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

.page-products .cat-shot {
  margin: 0 auto 16px;
  max-width: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

/* 条目行 */
.page-products .cat-rows {
  display: grid;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
  list-style: none;
}

.page-products .cat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(30, 21, 51, 0.55);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-row:hover {
  border-color: var(--grape-bright);
  transform: translateY(-2px);
}

.page-products .cat-row-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products .cat-row-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}

.page-products .cat-row-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .cat-row-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mint);
  text-decoration: none;
  white-space: nowrap;
}

.page-products .cat-row-link:hover {
  text-decoration: underline;
}

/* 状态标签 */
.page-products .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  background: rgba(16, 12, 28, 0.35);
}

.page-products .tag-red { color: var(--red); }
.page-products .tag-purple { color: var(--grape-bright); }
.page-products .tag-green { color: var(--mint); }
.page-products .tag-gold { color: var(--gold); }

/* 平台切换 */
.page-products .cat-tabs {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-products .tab-list {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.page-products .cat-tab {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(30, 21, 51, 0.7);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .cat-tab:hover {
  color: var(--paper);
  border-color: var(--grape-bright);
}

.page-products .cat-tab[aria-selected="true"] {
  background: var(--grape);
  border-color: var(--grape-bright);
  color: var(--paper);
}

.page-products .cat-tab:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-products .cat-panel {
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(30, 21, 51, 0.5);
}

.page-products .cat-panel + .cat-panel {
  margin-top: 14px;
}

.page-products .cat-panel[hidden] {
  display: none;
}

.page-products .cat-panel-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.4;
  color: var(--paper);
}

.page-products .cat-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: catstep;
}

.page-products .cat-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .cat-steps li::before {
  counter-increment: catstep;
  content: counter(catstep, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mint);
}

.page-products .cat-callout {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(243, 185, 79, 0.09);
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* 技能树式三步 */
.page-products .cat-tree {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  list-style: none;
}

.page-products .cat-node {
  position: relative;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(110, 63, 168, 0.35), rgba(30, 21, 51, 0.88));
}

.page-products .cat-node::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 2px;
  height: 12px;
  background: var(--grape-bright);
  opacity: 0.65;
}

.page-products .cat-node:last-child::after {
  display: none;
}

.page-products .cat-node-num {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-products .cat-node h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .cat-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .cat-goldbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 12px 16px;
  border: 1px solid rgba(243, 185, 79, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(243, 185, 79, 0.1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* 状态说明 */
.page-products .cat-legend {
  display: grid;
  gap: 0;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .cat-legend li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(70, 52, 95, 0.9);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .cat-legend .tag {
  justify-self: start;
}

.page-products .cat-versionline {
  display: inline-block;
  margin: 0;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}

/* 延伸入口 */
.page-products .cat-next {
  margin-top: clamp(36px, 5vw, 64px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(201, 47, 77, 0.16), rgba(110, 63, 168, 0.24) 55%, rgba(16, 12, 28, 0.92));
}

.page-products .cat-next-links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(16, 12, 28, 0.55);
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-next-links a:hover {
  border-color: var(--mint);
  transform: translateY(-2px);
}

.page-products .cat-next-links .arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mint);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-products .cat-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-row {
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }

  .page-products .cat-row-link {
    justify-self: end;
  }

  .page-products .cat-next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cat-shot--wide {
    max-width: 360px;
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .cat-tree {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .cat-node::after {
    left: auto;
    right: -18px;
    top: 50%;
    bottom: auto;
    width: 18px;
    height: 2px;
    transform: translateY(-50%);
  }

  .page-products .cat-node:last-child::after {
    display: block;
    right: auto;
    width: 0;
    height: 0;
    background: none;
  }
}

@media (min-width: 960px) {
  .page-products .cat-shell {
    grid-template-columns: var(--cat-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .cat-rail {
    position: sticky;
    top: 96px;
  }

  .page-products .cat-rail-list {
    display: grid;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .cat-rail-list a {
    justify-content: flex-start;
    padding: 10px 12px;
  }

  .page-products .cat-rail-note {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-row,
  .page-products .cat-rail-list a,
  .page-products .cat-next-links a,
  .page-products .cat-tab {
    transition: none;
  }

  .page-products .cat-row:hover,
  .page-products .cat-rail-list a:hover,
  .page-products .cat-next-links a:hover {
    transform: none;
  }
}
<<<END>>>