.page-products {
  --pp-line: 2px solid var(--hairline);
  --pp-line-strong: 2px solid var(--hairline-strong);
  --pp-panel: #0B2447;
  background: var(--deep-night);
  color: var(--sand);
  font-family: var(--font-body);
}

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

.page-products .section-head {
  max-width: 780px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-products .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  border-bottom: var(--pp-line);
  background:
    radial-gradient(110% 80% at 84% 0%, rgba(45, 226, 230, 0.16), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(167, 139, 250, 0.12), transparent 60%),
    linear-gradient(180deg, var(--deep-ink) 0%, var(--deep-night) 78%);
  padding: clamp(20px, 4vw, 44px) 0 clamp(32px, 6vw, 68px);
}

.page-products .pp-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-products .pp-hero__copy h1 {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--sand);
}

.page-products .pp-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--mist);
  max-width: 58ch;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-products .pp-hero__board {
  border: var(--pp-line-strong);
  background: rgba(11, 36, 71, 0.66);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-products .pp-stat {
  border: 1px solid var(--hairline);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pp-stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.page-products .pp-stat__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .pp-stat--cyan .pp-stat__num { color: var(--neon-cyan); }
.page-products .pp-stat--coral .pp-stat__num { color: var(--neon-coral); }
.page-products .pp-stat--green .pp-stat__num { color: var(--neon-green); }
.page-products .pp-stat--violet .pp-stat__num { color: var(--neon-violet); }

.page-products .pp-swatch {
  display: flex;
  gap: 6px;
  margin-top: 16px;
}

.page-products .pp-swatch span {
  flex: 1 1 0;
  height: 10px;
  min-width: 0;
}

.page-products .pp-swatch span:nth-child(1) { background: var(--neon-coral); }
.page-products .pp-swatch span:nth-child(2) { background: var(--neon-cyan); }
.page-products .pp-swatch span:nth-child(3) { background: var(--neon-violet); }
.page-products .pp-swatch span:nth-child(4) { background: var(--neon-green); }
.page-products .pp-swatch span:nth-child(5) { background: var(--neon-amber); }
.page-products .pp-swatch span:nth-child(6) { background: var(--mist); }

.page-products .pp-board__caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节目录 ---------- */
.page-products .pp-toc {
  background: rgba(11, 36, 71, 0.55);
  border-bottom: var(--pp-line);
}

.page-products .pp-toc__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-toc__title {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-products .pp-toc__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-toc__link {
  display: block;
  white-space: nowrap;
  font-size: 13px;
  padding: 7px 12px;
  border: 1px solid var(--hairline);
  color: var(--sand);
  text-decoration: none;
  transition: border-color 0.18s var(--ease-out), color 0.18s var(--ease-out), background 0.18s var(--ease-out);
}

.page-products .pp-toc__link:hover,
.page-products .pp-toc__link:focus-visible {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.page-products .pp-toc__link.is-active {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  color: var(--deep-ink);
  font-weight: 700;
}

/* ---------- 服务范围 ---------- */
.page-products .pp-scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pp-quad {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .pp-quad__item {
  border: var(--pp-line);
  border-left: 5px solid var(--neon-cyan);
  background: rgba(11, 36, 71, 0.55);
  padding: 16px 18px;
}

.page-products .pp-quad__num {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--neon-cyan);
}

.page-products .pp-quad__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  margin: 6px 0 8px;
  color: var(--sand);
}

.page-products .pp-quad__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-quad__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
  padding-bottom: 2px;
}

.page-products .pp-quad__link:hover,
.page-products .pp-quad__link:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

.page-products .pp-scope__figure {
  margin: 0;
  border: var(--pp-line-strong);
  background: var(--deep-card);
  padding: 10px;
}

.page-products .pp-scope__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-scope__figure .media-frame__caption {
  font-size: 12px;
  color: var(--mist);
  padding: 10px 4px 2px;
}

/* ---------- 分类图谱 ---------- */
.page-products .pp-map {
  background:
    radial-gradient(70% 55% at 50% 0%, rgba(45, 226, 230, 0.09), transparent 70%);
}

.page-products .pp-map__banner {
  margin: 0 0 clamp(20px, 3vw, 34px);
}

.page-products .pp-map__banner img {
  width: 100%;
  height: auto;
  border: var(--pp-line-strong);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-map__figure {
  border: var(--pp-line-strong);
  background: rgba(2, 8, 18, 0.6);
  padding: clamp(12px, 3vw, 32px);
}

.page-products .pp-map__svg {
  display: block;
  width: 100%;
  max-width: 660px;
  height: auto;
  margin: 0 auto;
}

.page-products .pp-taxonomy {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-products .pp-tax {
  border: 1px solid var(--hairline);
  border-top: 4px solid var(--cat-color, var(--neon-cyan));
  background: rgba(11, 36, 71, 0.6);
  padding: 12px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .pp-tax__num {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1;
  color: var(--cat-color, var(--neon-cyan));
  font-variant-numeric: tabular-nums;
}

.page-products .pp-tax__name {
  font-size: 13px;
  color: var(--sand);
  letter-spacing: 0.04em;
}

.page-products .pp-tax--strategy { --cat-color: var(--neon-coral); }
.page-products .pp-tax--puzzle { --cat-color: var(--neon-cyan); }
.page-products .pp-tax--action { --cat-color: var(--neon-violet); }
.page-products .pp-tax--sim { --cat-color: var(--neon-green); }
.page-products .pp-tax--table { --cat-color: var(--neon-amber); }
.page-products .pp-tax--race { --cat-color: var(--mist); }

.page-products .pp-map__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 跨设备路径 ---------- */
.page-products .pp-path__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .pp-step {
  border: var(--pp-line);
  background: rgba(11, 36, 71, 0.5);
  padding: 14px 16px;
  position: relative;
}

.page-products .pp-step__num {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: var(--neon-cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-step__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  margin: 6px 0 6px;
  color: var(--sand);
}

.page-products .pp-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-path__device {
  margin: 0;
  border: var(--pp-line-strong);
  background: var(--deep-card);
  padding: 10px;
  box-shadow: var(--shadow-hard);
}

.page-products .pp-path__device img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-path__device .media-frame__caption {
  font-size: 12px;
  color: var(--mist);
  padding: 10px 4px 2px;
}

.page-products .pp-compare {
  margin-top: clamp(22px, 3.4vw, 38px);
  border: var(--pp-line-strong);
  background: rgba(2, 8, 18, 0.5);
}

.page-products .pp-compare__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--hairline);
}

.page-products .pp-compare__row:last-child {
  border-bottom: 0;
}

.page-products .pp-compare__head {
  display: none;
}

.page-products .pp-compare__cell {
  font-size: 14px;
  line-height: 1.75;
  color: var(--sand);
}

.page-products .pp-compare__cell--step {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--neon-cyan);
}

.page-products .pp-compare__key {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mist);
  margin-bottom: 2px;
}

.page-products .pp-path__screen {
  margin: clamp(18px, 3vw, 28px) 0 0;
  border: var(--pp-line);
  background: var(--deep-card);
  padding: 10px;
}

.page-products .pp-path__screen img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-path__screen .media-frame__caption {
  font-size: 12px;
  color: var(--mist);
  padding: 10px 4px 2px;
}

/* ---------- 分类详情卡 ---------- */
.page-products .pp-cats__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pp-cats__texture {
  margin: 0;
  border: var(--pp-line);
  max-width: 260px;
}

.page-products .pp-cats__texture img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-products .pp-cat {
  border: var(--pp-line-strong);
  border-top: 5px solid var(--cat-color, var(--neon-cyan));
  background: rgba(11, 36, 71, 0.72);
  box-shadow: var(--shadow-hard);
  padding: 18px 18px 20px;
  transition: transform 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-products .pp-cat:hover,
.page-products .pp-cat:focus-within {
  transform: translateY(-4px);
  border-color: var(--cat-color, var(--neon-cyan));
}

.page-products .pp-cat--strategy { --cat-color: var(--neon-coral); }
.page-products .pp-cat--puzzle { --cat-color: var(--neon-cyan); }
.page-products .pp-cat--action { --cat-color: var(--neon-violet); }
.page-products .pp-cat--sim { --cat-color: var(--neon-green); }
.page-products .pp-cat--table { --cat-color: var(--neon-amber); }
.page-products .pp-cat--race { --cat-color: var(--mist); }

.page-products .pp-cat__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-products .pp-cat__count {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-cat__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.28;
  margin: 14px 0 10px;
  color: var(--sand);
}

.page-products .pp-cat__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-products .pp-cat__subs li {
  font-size: 12px;
  line-height: 1;
  padding: 7px 10px;
  border: 1px solid var(--hairline);
  color: var(--sand);
  background: rgba(2, 8, 18, 0.5);
}

.page-products .pp-cat__meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cat-color, var(--neon-cyan));
}

/* ---------- 版本与帮助 ---------- */
.page-products .pp-version {
  background: linear-gradient(180deg, rgba(2, 8, 18, 0.75), rgba(6, 24, 46, 0.9));
  border-top: var(--pp-line);
  border-bottom: var(--pp-line);
}

.page-products .pp-version__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .pp-timeline {
  border-left: 2px solid var(--hairline);
  padding-left: 16px;
}

.page-products .pp-node {
  margin-bottom: 10px;
  background: rgba(11, 36, 71, 0.55);
  border: 1px solid var(--hairline);
}

.page-products .pp-node__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-node__summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--neon-cyan);
  font-size: 14px;
}

.page-products .pp-node[open] .pp-node__summary::after {
  content: "－";
}

.page-products .pp-node__ver {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--neon-amber);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-node__title {
  font-size: 14px;
  color: var(--sand);
}

.page-products .pp-node__body {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-help-panel {
  border: var(--pp-line-strong);
  background: rgba(11, 36, 71, 0.8);
  padding: 20px;
}

.page-products .pp-help-panel__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  margin: 0 0 14px;
  color: var(--sand);
}

.page-products .pp-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pp-help-list a {
  display: block;
  border: 1px solid var(--hairline);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--sand);
  text-decoration: none;
  transition: border-color 0.18s var(--ease-out), color 0.18s var(--ease-out);
}

.page-products .pp-help-list a:hover,
.page-products .pp-help-list a:focus-visible {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.page-products .pp-help-panel__note {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
  word-break: break-word;
}

/* ---------- 怎么选 ---------- */
.page-products .pp-choose__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--pp-line);
}

.page-products .pp-choose__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(16px, 2.6vw, 26px) 0;
  border-bottom: var(--pp-line);
}

.page-products .pp-choose__num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--neon-cyan);
  letter-spacing: 0.02em;
}

.page-products .pp-choose__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  margin: 0 0 8px;
  color: var(--sand);
}

.page-products .pp-choose__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 66ch;
}

.page-products .pp-choose__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--neon-coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 90, 0.5);
  padding-bottom: 2px;
}

.page-products .pp-choose__link:hover,
.page-products .pp-choose__link:focus-visible {
  color: var(--sand);
  border-bottom-color: var(--sand);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta__inner {
  border: var(--pp-line-strong);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 107, 90, 0.16), transparent 62%),
    radial-gradient(80% 100% at 0% 100%, rgba(45, 226, 230, 0.14), transparent 60%),
    var(--deep-card);
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 4vw, 40px);
}

.page-products .pp-cta__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.12;
  margin: 0 0 12px;
  color: var(--sand);
}

.page-products .pp-cta__text {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--mist);
  max-width: 60ch;
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(16px, 2.6vw, 24px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pp-quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 860px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(32px, 4.5vw, 56px);
  }

  .page-products .pp-scope__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-path__top {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pp-compare__head {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    background: rgba(45, 226, 230, 0.08);
    border-bottom: 2px solid var(--hairline-strong);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--neon-cyan);
  }

  .page-products .pp-compare__row {
    grid-template-columns: 160px minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-products .pp-compare__key {
    display: none;
  }

  .page-products .pp-cats__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }

  .page-products .pp-version__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-products .pp-choose__item {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }

  .page-products .pp-cat-grid {
    gap: 20px;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-cat:nth-child(2),
  .page-products .pp-cat:nth-child(5) {
    margin-top: 28px;
  }

  .page-products .pp-taxonomy {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cat,
  .page-products .pp-toc__link,
  .page-products .pp-help-list a,
  .page-products .pp-quad__link,
  .page-products .pp-choose__link {
    transition: none;
  }

  .page-products .pp-cat:hover,
  .page-products .pp-cat:focus-within {
    transform: none;
  }
}
<<<END>>>