.page-products {
  --pp-node-glow: rgba(59, 232, 224, .55);
  --pp-hair: rgba(43, 49, 87, .72);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 36px) clamp(32px, 6vw, 72px);
  isolation: isolate;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: -10% -8% auto -8%;
  height: 78%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 62% at 16% 24%, rgba(108, 76, 241, .38), transparent 70%),
    radial-gradient(48% 52% at 84% 12%, rgba(59, 232, 224, .18), transparent 72%),
    radial-gradient(42% 48% at 62% 62%, rgba(255, 106, 43, .14), transparent 76%);
}

.page-products .pp-hero .sx-crumb {
  margin-bottom: clamp(24px, 5vw, 48px);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: end;
}

.page-products .pp-kicker {
  margin: 0 0 16px;
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--sx-orange);
}

.page-products .pp-hero h1 {
  margin: 0 0 20px;
  max-width: 17em;
  font-size: clamp(32px, 7.4vw, 68px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--sx-silver);
}

.page-products .pp-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.85;
  color: var(--sx-mist);
}

.page-products .pp-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pp-panel__head {
  margin: 0 0 14px;
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--sx-mist);
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

.page-products .pp-stat {
  background: var(--sx-void);
  padding: 16px 16px 18px;
}

.page-products .pp-stat dt {
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--sx-mist);
}

.page-products .pp-stat dd {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--sx-silver);
}

.page-products .pp-stat__unit {
  font-size: 12px;
  color: var(--sx-mist);
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-sect {
  padding-block: clamp(44px, 8vw, 92px);
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-sect .sx-sect {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-products .pp-lede {
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sx-mist);
}

/* ---------- 节点地图 ---------- */
.page-products .pp-map {
  position: relative;
  margin: 0;
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
  background: var(--sx-void-deep);
}

.page-products .pp-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .8;
}

.page-products .pp-map::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(43, 49, 87, .34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 49, 87, .34) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-products .pp-map__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--sx-mist);
}

.page-products .pp-node {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--s, 9px);
  height: var(--s, 9px);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--sx-cyan);
  box-shadow: 0 0 0 4px rgba(59, 232, 224, .12), 0 0 14px var(--pp-node-glow);
  z-index: 3;
  cursor: default;
}

.page-products .pp-node--hot {
  background: var(--sx-orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .14), 0 0 18px rgba(255, 106, 43, .6);
}

.page-products .pp-node__tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translate(-50%, 5px);
  white-space: nowrap;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--sx-panel);
  border: 1px solid var(--sx-line);
  color: var(--sx-silver);
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s var(--sx-ease), transform .2s var(--sx-ease);
}

.page-products .pp-node:hover .pp-node__tip,
.page-products .pp-node:focus-visible .pp-node__tip {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-products .pp-node:focus-visible {
  outline: 2px solid var(--sx-orange);
  outline-offset: 4px;
}

/* ---------- 探测机制 ---------- */
.page-products .pp-probe {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(20px, 3vw, 32px);
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

.page-products .pp-probe__item {
  background: var(--sx-void);
  padding: 22px 20px 24px;
}

.page-products .pp-probe__num {
  margin: 0 0 10px;
  font-family: var(--sx-font-num);
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -.01em;
  color: var(--sx-silver);
}

.page-products .pp-probe__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--sx-silver);
}

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

/* ---------- 能力清单 ---------- */
.page-products .pp-caps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
}

.page-products .pp-caps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-cap {
  padding: 22px 4px 24px;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-cap__idx {
  margin: 0 0 10px;
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sx-orange);
}

.page-products .pp-cap h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 700;
  color: var(--sx-silver);
}

.page-products .pp-cap p:last-child {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sx-mist);
}

.page-products .pp-caps__media {
  margin: 0;
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
  background: var(--sx-panel-deep);
}

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

.page-products .pp-caps__media figcaption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sx-mist);
  border-top: 1px solid var(--pp-hair);
}

/* ---------- 版本阶梯 ---------- */
.page-products .pp-ladder__banner {
  margin: 0 0 clamp(22px, 4vw, 36px);
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

.page-products .pp-ladder__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .82;
}

.page-products .pp-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-ladder__item {
  border-left: 1px solid var(--pp-hair);
  padding-left: clamp(14px, 3vw, 28px);
  margin-left: calc(var(--step) * clamp(0px, 3vw, 34px));
  position: relative;
}

.page-products .pp-ladder__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sx-void);
  border: 1px solid var(--sx-orange);
}

.page-products .pp-step {
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-step summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-step summary:focus-visible {
  outline: 2px solid var(--sx-orange);
  outline-offset: 4px;
}

.page-products .pp-step__idx {
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--sx-cyan);
}

.page-products .pp-step__name {
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  color: var(--sx-silver);
}

.page-products .pp-step[open] .pp-step__name {
  color: var(--sx-orange);
}

.page-products .pp-step__body {
  padding: 0 0 22px;
  max-width: 62ch;
}

.page-products .pp-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sx-mist);
}

/* ---------- 系统与性能 ---------- */
.page-products .pp-perf {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .pp-perf__media {
  margin: 0;
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

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

.page-products .pp-perf__nums {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

.page-products .pp-perf__num {
  background: var(--sx-void);
  padding: 16px 18px 18px;
}

.page-products .pp-perf__num dt {
  font-family: var(--sx-font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--sx-orange);
}

.page-products .pp-perf__num dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sx-mist);
}

.page-products .pp-perf__note {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sx-mist);
}

/* ---------- 三步开始 ---------- */
.page-products .pp-start {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

.page-products .pp-start__item {
  background: var(--sx-void);
  padding: 26px 20px 28px;
}

.page-products .pp-start__n {
  display: block;
  font-family: var(--sx-font-num);
  font-size: clamp(38px, 6vw, 56px);
  line-height: 1;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--sx-orange);
}

.page-products .pp-start__item h3 {
  margin: 16px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--sx-silver);
}

.page-products .pp-start__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sx-mist);
}

/* ---------- 使用场景 ---------- */
.page-products .pp-scenes__banner {
  margin: 0 0 clamp(22px, 4vw, 36px);
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  overflow: hidden;
}

.page-products .pp-scenes__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .78;
}

.page-products .pp-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
}

.page-products .pp-scene {
  border: 1px solid var(--pp-hair);
  border-radius: var(--sx-radius);
  background: var(--sx-panel-deep);
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
}

.page-products .pp-scene__tag {
  align-self: flex-start;
  margin-bottom: 14px;
}

.page-products .pp-scene h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  color: var(--sx-silver);
}

.page-products .pp-scene p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sx-mist);
}

.page-products .pp-scene__link {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-scene__link a {
  color: var(--sx-cyan);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(59, 232, 224, .35);
}

.page-products .pp-scene__link a:hover,
.page-products .pp-scene__link a:focus-visible {
  color: var(--sx-orange);
  border-bottom-color: var(--sx-orange);
}

/* ---------- 底部指路 ---------- */
.page-products .pp-foot {
  padding-block: clamp(34px, 6vw, 64px) clamp(48px, 8vw, 88px);
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-foot__lead {
  margin: 0 0 18px;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  color: var(--sx-silver);
}

.page-products .pp-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-products .pp-foot__links a {
  color: var(--sx-mist);
  text-decoration: none;
  font-size: 15px;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--sx-ease), border-color .2s var(--sx-ease);
}

.page-products .pp-foot__links a:hover,
.page-products .pp-foot__links a:focus-visible {
  color: var(--sx-orange);
  border-bottom-color: var(--sx-orange);
}

/* ---------- 动效 ---------- */
.page-products .pp-pulse {
  position: relative;
}

@media (prefers-reduced-motion: no-preference) {
  .page-products .pp-pulse {
    animation: pp-breathe 3.4s var(--sx-ease) infinite;
  }
}

@keyframes pp-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 106, 43, .34); }
  50% { box-shadow: 0 0 0 10px rgba(255, 106, 43, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-pulse {
    animation: none;
    outline: 1px solid rgba(255, 106, 43, .6);
    outline-offset: 3px;
  }
  .page-products .pp-node__tip {
    transition: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, .85fr);
  }

  .page-products .pp-caps {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .pp-caps__media {
    position: sticky;
    top: var(--sx-anchor);
  }

  .page-products .pp-perf {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-products .pp-scenes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pp-scene--a {
    grid-column: 1 / span 5;
  }

  .page-products .pp-scene--b {
    grid-column: 7 / span 4;
    margin-top: 34px;
  }

  .page-products .pp-scene--c {
    grid-column: 2 / span 6;
    margin-top: 26px;
  }

  .page-products .pp-scene--c h3 {
    font-size: 21px;
  }
}

@media (min-width: 1200px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products {
  --s: 1rem;
  --step: 1rem;
  --x: inherit;
  --y: inherit;
}