.page-products {
  --pp-edge: 2px solid var(--line-600);
  --pp-pad: clamp(1.05rem, 2.4vw, 1.75rem);
  --pp-gap: clamp(1.25rem, 3vw, 2.25rem);
  --pp-block: clamp(2.75rem, 7vw, 5.25rem);
  background: var(--ink-900);
  color: var(--text-100);
}

.page-products .breadcrumbs {
  padding-top: clamp(0.9rem, 2.2vw, 1.5rem);
  font-size: 0.8rem;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.75rem, 4.5vw, 3.25rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(180deg, rgba(36, 211, 255, 0.1), rgba(5, 9, 18, 0) 68%),
    repeating-linear-gradient(90deg, rgba(34, 48, 79, 0.5) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(34, 48, 79, 0.32) 0 1px, transparent 1px 88px);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(237, 243, 255, 0.028) 0 1px, transparent 1px 4px);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-hero__main h1,
.page-products .pp-hero h1 {
  margin: 0.7rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 5.6vw, 3.7rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--text-100);
  text-wrap: balance;
}

.page-products .pp-hero__lede {
  max-width: 52ch;
  margin: 0;
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  line-height: 1.85;
  color: var(--text-300);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .pp-hero__panel {
  border: var(--pp-edge);
  border-top: 4px solid var(--pulse-500);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: var(--pp-pad);
}

.page-products .pp-hero__panel-title {
  margin: 0 0 1rem;
  color: var(--pulse-500);
  letter-spacing: 0.14em;
}

.page-products .pp-chain {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.15rem;
  border-left: 2px solid var(--line-600);
}

.page-products .pp-chain li {
  position: relative;
  padding: 0.55rem 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-100);
}

.page-products .pp-chain li::before {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: 1.05rem;
  transform: translateX(-50%);
  width: 11px;
  height: 11px;
  border: 2px solid var(--cool-400);
  border-radius: 50%;
  background: var(--ink-900);
}

.page-products .pp-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 0.75rem;
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line-600);
}

.page-products .pp-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--text-300);
}

.page-products .pp-hero__facts dd {
  margin: 0.3rem 0 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--text-100);
  font-variant-numeric: tabular-nums;
}

/* ---------- 分节骨架 ---------- */
.page-products .pp-section {
  padding: var(--pp-block) 0;
}

.page-products .pp-section + .pp-section,
.page-products .pp-next {
  border-top: 1px solid var(--line-600);
}

.page-products .pp-section__head {
  display: grid;
  gap: 0.7rem;
  max-width: 66ch;
  margin-bottom: clamp(1.6rem, 3.5vw, 2.6rem);
}

.page-products .pp-idx {
  margin: 0;
  color: var(--cool-400);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .pp-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.1vw, 2.05rem);
  line-height: 1.28;
  color: var(--text-100);
  text-wrap: balance;
}

.page-products .pp-section__intro {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-300);
}

/* ---------- 两种视图 ---------- */
.page-products .pp-compare {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-view {
  border: var(--pp-edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: var(--pp-pad);
}

.page-products .pp-view--cool { border-top: 4px solid var(--cool-400); }
.page-products .pp-view--warm { border-top: 4px solid var(--warm-400); }

.page-products .pp-view__tag {
  margin: 0 0 0.4rem;
  letter-spacing: 0.12em;
}

.page-products .pp-view--cool .pp-view__tag { color: var(--cool-400); }
.page-products .pp-view--warm .pp-view__tag { color: var(--warm-400); }

.page-products .pp-view h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  color: var(--text-100);
}

.page-products .pp-view__fig {
  margin: 0 0 1rem;
  border: 1px solid var(--line-600);
  background: var(--ink-900);
  overflow: hidden;
}

.page-products .pp-view__fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-view p {
  margin: 0 0 0.9rem;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--text-300);
}

.page-products .pp-view__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .pp-view__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-100);
}

.page-products .pp-view__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
}

.page-products .pp-view--cool .pp-view__list li::before { background: var(--cool-400); }
.page-products .pp-view--warm .pp-view__list li::before { background: var(--warm-400); }

/* ---------- 存档范围 ---------- */
.page-products .pp-coverage__fig {
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  border: var(--pp-edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-coverage__fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-coverage__fig figcaption {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--line-600);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-300);
}

.page-products .pp-scale {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-products .pp-scale li {
  display: grid;
  gap: 0.35rem;
  padding: 1.05rem 1.15rem;
  background: var(--ink-900);
  border-top: 3px solid var(--cool-400);
}

.page-products .pp-scale li:nth-child(3n + 2) {
  border-top-color: var(--pulse-500);
}

.page-products .pp-scale__num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text-100);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-scale__unit {
  margin-left: 0.12em;
  font-size: 0.55em;
  color: var(--text-300);
}

.page-products .pp-scale__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-300);
}

.page-products .pp-note {
  display: grid;
  gap: 0.6rem;
  margin-top: clamp(1.25rem, 3vw, 1.8rem);
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--violet-500);
  background: rgba(122, 92, 255, 0.07);
}

.page-products .pp-note p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-300);
}

.page-products .pp-note a {
  color: var(--cool-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 检索条件 ---------- */
.page-products .pp-filter {
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: var(--pp-edge);
}

.page-products .pp-filter__group {
  background: var(--ink-800);
  padding: var(--pp-pad);
}

.page-products .pp-filter__label {
  margin: 0 0 0.8rem;
  letter-spacing: 0.12em;
  color: var(--text-300);
}

.page-products .pp-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-products .pp-chip {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line-600);
  background: var(--ink-900);
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--text-300);
}

.page-products .pp-chip.is-on {
  border-color: var(--cool-400);
  background: rgba(36, 211, 255, 0.1);
  box-shadow: inset 0 0 0 1px var(--cool-400);
  color: var(--text-100);
}

.page-products .pp-combos {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-products .pp-combos h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-100);
}

.page-products .pp-combos ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .pp-combos li {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line-600);
  background: var(--ink-800);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-300);
}

.page-products .pp-combos strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--warm-400);
}

.page-products .pp-fields-preview {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0.9rem 1.1rem;
  border: 1px dashed var(--line-600);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--text-300);
  word-break: break-word;
}

.page-products .pp-filters-fig {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  border: var(--pp-edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .pp-filters-fig img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 字段说明 ---------- */
.page-products .pp-dict-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-dict {
  margin: 0;
  border-left: 3px solid var(--warm-400);
}

.page-products .pp-dict > div {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 0 0.95rem 1.1rem;
  border-bottom: 1px dashed var(--line-600);
}

.page-products .pp-dict > div:first-child { padding-top: 0.2rem; }
.page-products .pp-dict > div:last-child { border-bottom: 0; }

.page-products .pp-dict dt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--warm-300);
}

.page-products .pp-dict dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-300);
}

.page-products .pp-dict-fig {
  margin: 0;
  border: var(--pp-edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .pp-dict-fig img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 使用方案（技能树） ---------- */
.page-products .pp-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.page-products .pp-tree__node {
  position: relative;
  border: var(--pp-edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: var(--pp-pad) var(--pp-pad) var(--pp-pad) calc(var(--pp-pad) + 0.85rem);
}

.page-products .pp-tree__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--cool-400);
}

.page-products .pp-tree__node--warm::before { background: var(--warm-400); }
.page-products .pp-tree__node--violet::before { background: var(--violet-500); }

.page-products .pp-tree__idx {
  margin: 0 0 0.5rem;
  letter-spacing: 0.12em;
  color: var(--text-300);
}

.page-products .pp-tree__node--cool .pp-tree__idx { color: var(--cool-400); }
.page-products .pp-tree__node--warm .pp-tree__idx { color: var(--warm-400); }
.page-products .pp-tree__node--violet .pp-tree__idx { color: var(--violet-500); }

.page-products .pp-tree__node h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.1vw, 1.35rem);
  color: var(--text-100);
}

.page-products .pp-tree__node > p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-300);
}

.page-products .pp-tree__node .fold {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line-600);
}

.page-products .pp-tree__node .fold__summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cool-400);
}

.page-products .pp-tree__node--warm .fold__summary { color: var(--warm-400); }
.page-products .pp-tree__node--violet .fold__summary { color: var(--violet-500); }

.page-products .pp-tree__steps {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-100);
}

/* ---------- 五步路径 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: var(--pp-edge);
}

.page-products .pp-flow__item {
  display: grid;
  align-content: start;
  gap: 0.5rem;
  position: relative;
  padding: var(--pp-pad);
  background: var(--ink-800);
}

.page-products .pp-flow__idx {
  margin: 0;
  letter-spacing: 0.12em;
  color: var(--pulse-500);
}

.page-products .pp-flow__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--text-100);
}

.page-products .pp-flow__item > p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--text-300);
}

.page-products .pp-flow__item .pp-flow__time {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--warm-300);
}

/* ---------- 结尾指引 ---------- */
.page-products .pp-next {
  padding: var(--pp-block) 0 calc(var(--pp-block) * 0.8);
}

.page-products .pp-next h2 {
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  color: var(--text-100);
}

.page-products .pp-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: var(--pp-edge);
}

.page-products .pp-next__list li {
  background: var(--ink-800);
}

.page-products .pp-next__list a {
  display: grid;
  gap: 0.4rem;
  padding: 1.15rem var(--pp-pad);
  color: var(--text-100);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-products .pp-next__list a:hover,
.page-products .pp-next__list a:focus-visible {
  background: var(--ink-700);
}

.page-products .pp-next__list a .mono {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--cool-400);
}

.page-products .pp-next__list a > span:last-child {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-dict > div {
    grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
    gap: 1.1rem;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .pp-filter {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 780px) {
  .page-products .pp-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-compare {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pp-dict-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-next__list a {
    transition: none;
  }
}