.page-products {
  --cat-gap: clamp(20px, 3vw, 36px);
  --cat-tree-gap: clamp(16px, 2vw, 22px);
  position: relative;
  padding-block: clamp(20px, 3.5vw, 48px);
  background: var(--ink-800);
  color: var(--mint-200);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products > .page-shell + .page-shell {
  margin-top: clamp(52px, 7vw, 96px);
}

.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  color: var(--white);
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.page-products h3 {
  font-size: 1.125rem;
}

.page-products .section-head {
  margin-bottom: clamp(22px, 3vw, 38px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--edge-500);
}

.page-products .section-head h2 {
  margin-top: 10px;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  text-wrap: balance;
}

.page-products .section-head p:not(.tag) {
  margin-top: 12px;
  max-width: 68ch;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--fog-400);
}

.page-products .anchor-two {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 0.8;
  color: var(--lime-400);
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* ---------- HERO ---------- */

.page-products .cat-hero {
  position: relative;
  overflow: hidden;
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: min(760px, 92%);
  height: 118%;
  background:
    radial-gradient(circle at 68% 34%, rgba(198, 255, 74, 0.14), transparent 62%),
    linear-gradient(215deg, rgba(255, 138, 61, 0.09), transparent 48%);
  pointer-events: none;
  z-index: 0;
}

.page-products .cat-hero .anchor-two {
  position: absolute;
  top: -6%;
  right: -3%;
  font-size: clamp(11rem, 25vw, 21rem);
}

.page-products .cat-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  align-items: start;
  padding-top: clamp(14px, 2vw, 24px);
}

.page-products .cat-hero__copy h1 {
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  letter-spacing: 0.015em;
  line-height: 1.1;
  color: var(--white);
  text-wrap: balance;
}

.page-products .cat-hero__lead {
  margin-top: 18px;
  max-width: 56ch;
  font-size: clamp(1rem, 1.35vw, 1.0625rem);
  line-height: 1.85;
  color: var(--mint-200);
}

.page-products .cat-hero__list {
  margin-top: 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .cat-hero__list li {
  position: relative;
  padding-left: 24px;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--fog-400);
}

.page-products .cat-hero__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 14px;
  height: 2px;
  background: var(--lime-400);
}

.page-products .cat-hero__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ---------- 人群路径（技能树） ---------- */

.page-products .cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--cat-gap);
  padding: 0;
  list-style: none;
}

.page-products .cat-tabs__item {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--edge-500);
  border-radius: var(--radius);
  background: var(--panel-700);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mint-200);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .cat-tabs__item:hover,
.page-products .cat-tabs__item:focus-visible {
  border-color: var(--lime-400);
  color: var(--lime-400);
  background: var(--panel-600);
}

.page-products .cat-tree {
  position: relative;
  display: grid;
  gap: var(--cat-tree-gap);
  padding: 0;
  list-style: none;
}

.page-products .cat-tree__node {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-products .cat-tree__node::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: calc(-1 * var(--cat-tree-gap));
  width: 1px;
  background: linear-gradient(to bottom, var(--edge-500), rgba(43, 90, 72, 0.15));
}

.page-products .cat-tree__node:last-child::before {
  display: none;
}

.page-products .cat-tree__marker {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--edge-500);
  border-radius: 50%;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--lime-400);
}

.page-products .cat-tree__panel {
  padding: clamp(18px, 2.4vw, 26px);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .cat-tree__node:target .cat-tree__panel {
  border-color: var(--lime-400);
  background: var(--panel-600);
}

.page-products .cat-tree__title {
  font-size: 1.0625rem;
}

.page-products .cat-tree__desc {
  margin-top: 10px;
  max-width: 62ch;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--fog-400);
}

.page-products .cat-tree__tags {
  margin-top: 14px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .cat-tree__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--lime-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .cat-tree__link:hover,
.page-products .cat-tree__link:focus-visible {
  color: var(--lime-300);
  border-bottom-color: var(--lime-300);
}

/* ---------- 数据面板 ---------- */

.page-products .cat-panel__body {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  align-items: start;
  margin-bottom: var(--cat-gap);
}

.page-products .cat-panel__body .anchor-two {
  position: absolute;
  top: -8%;
  left: -2%;
  font-size: clamp(9rem, 20vw, 16rem);
}

.page-products .cat-panel__visual,
.page-products .cat-panel__list {
  position: relative;
  z-index: 1;
}

.page-products .cat-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.page-products .cat-metric {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 10px 12px;
  border: 1px solid var(--edge-500);
  border-radius: var(--radius);
  background: var(--panel-700);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .cat-metric:hover,
.page-products .cat-metric:focus-within {
  border-color: var(--lime-400);
  background: var(--panel-600);
}

.page-products .cat-metric__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--lime-400);
}

.page-products .cat-metric__name {
  font-size: 0.8125rem;
  color: var(--mint-200);
}

.page-products .cat-shot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  align-items: center;
  padding-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--edge-500);
}

.page-products .cat-shot__copy h3 {
  margin-top: 10px;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
}

.page-products .cat-shot__copy p:not(.tag) {
  margin-top: 12px;
  max-width: 56ch;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--fog-400);
}

.page-products .cat-shot__list {
  margin-top: 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .cat-shot__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--mint-200);
}

.page-products .cat-shot__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--amber-500);
}

/* ---------- 设备兼容 ---------- */

.page-products .cat-compat__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .cat-compat__card {
  padding: 18px 18px 20px;
  border-left: 2px solid var(--lime-400);
}

.page-products .cat-compat__card .tag {
  display: inline-block;
}

.page-products .cat-compat__card h3 {
  margin-top: 10px;
  font-size: 1.0625rem;
}

.page-products .cat-compat__card ul {
  margin-top: 10px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-products .cat-compat__card li {
  position: relative;
  padding-left: 15px;
  font-size: var(--step-small);
  line-height: 1.75;
  color: var(--fog-400);
}

.page-products .cat-compat__card li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--lime-400);
  font-family: var(--font-mono);
}

.page-products .cat-compat__check {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  align-items: start;
  margin-top: var(--cat-gap);
}

.page-products .cat-compat__steps {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-products .cat-compat__steps h3 {
  font-size: 1.0625rem;
}

.page-products .cat-compat__steps ol {
  margin-top: 16px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 12px;
}

.page-products .cat-compat__steps li {
  counter-increment: step;
  position: relative;
  padding-left: 36px;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--mint-200);
}

.page-products .cat-compat__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--alert-500);
}

.page-products .cat-compat__steps .btn {
  margin-top: 20px;
}

/* ---------- 旧版回退 ---------- */

.page-products .cat-legacy__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  align-items: start;
}

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

.page-products .cat-legacy__list li {
  padding: 14px 16px;
  border-left: 2px solid var(--edge-500);
  background: var(--panel-700);
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--fog-400);
}

.page-products .cat-legacy__list strong {
  color: var(--lime-400);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  margin-right: 6px;
}

.page-products .cat-legacy__copy > p {
  margin-top: 16px;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--fog-400);
  max-width: 58ch;
}

.page-products .cat-legacy__copy .btn {
  margin-top: 20px;
}

/* ---------- 收藏 ---------- */

.page-products .cat-save__panel {
  padding: clamp(22px, 3.5vw, 42px);
  border-left: 2px solid var(--amber-500);
}

.page-products .cat-save__panel h2 {
  margin-top: 12px;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.page-products .cat-save__panel > p:not(.tag) {
  margin-top: 14px;
  max-width: 66ch;
  font-size: var(--step-small);
  line-height: 1.85;
  color: var(--fog-400);
}

.page-products .cat-save__tips {
  margin-top: 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .cat-save__tips li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--edge-500);
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--mint-200);
}

.page-products .cat-save__tips li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-save__role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--amber-500);
}

/* ---------- 版本节奏 ---------- */

.page-products .cat-release__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .cat-release__card {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-products .cat-release__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--fog-400);
  text-transform: uppercase;
}

.page-products .cat-release__num {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 4.6vw, 3rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime-400);
}

.page-products .cat-release__unit {
  margin-left: 4px;
  font-size: 0.875rem;
  letter-spacing: 0;
  color: var(--mint-200);
}

.page-products .cat-release__desc {
  margin-top: 12px;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--fog-400);
}

.page-products .cat-release .index-strip {
  margin-top: var(--cat-gap);
}

/* ---------- 断点 ---------- */

@media (min-width: 600px) {
  .page-products .cat-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .cat-save__tips li {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-products .cat-compat__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(28px, 5vw, 64px);
  }

  .page-products .cat-panel__body {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.1fr);
  }

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

  .page-products .cat-compat__check {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .cat-legacy__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1024px) {
  .page-products .cat-compat__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-tabs__item,
  .page-products .cat-tree__panel,
  .page-products .cat-metric,
  .page-products .cat-tree__link {
    transition: none;
  }
}