.page-products {
  --pp-edge: rgba(244, 241, 255, 0.14);
  --pp-edge-strong: rgba(244, 241, 255, 0.3);
  --pp-panel: linear-gradient(180deg, rgba(36, 26, 61, 0.9), rgba(20, 14, 36, 0.95));
  --pp-radius: 6px;
  overflow-x: clip;
}

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

.js .page-products [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.js .page-products [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 首屏 ---------- */

.page-products .pp-head {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(28px, 6vw, 64px) clamp(30px, 6vw, 60px);
}

.page-products .pp-head::before {
  content: "";
  position: absolute;
  inset: auto -12% -55% -12%;
  height: 80%;
  background: radial-gradient(55% 100% at 50% 100%, rgba(122, 59, 255, 0.4), transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-products .pp-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(244, 241, 255, 0.04) 0 1px, transparent 1px 4px);
  z-index: -1;
  pointer-events: none;
}

.page-products .pp-head .eyebrow {
  display: block;
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .pp-head__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 7.2vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-shadow: 2px 2px 0 rgba(122, 59, 255, 0.5), -1px -1px 0 rgba(34, 211, 255, 0.32);
}

.page-products .pp-head__lede {
  max-width: 62ch;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.85;
}

.page-products .pp-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  background: var(--pp-edge);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-stat {
  background: rgba(11, 8, 19, 0.78);
  padding: 14px 16px;
}

.page-products .pp-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold);
}

.page-products .pp-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 入口轨道 ---------- */

.page-products .pp-entries {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-track {
  display: flex;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
  padding: 6px clamp(16px, 5vw, 40px) 26px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--neon) rgba(244, 241, 255, 0.08);
}

.page-products .pp-track::-webkit-scrollbar {
  height: 8px;
}

.page-products .pp-track::-webkit-scrollbar-track {
  background: rgba(244, 241, 255, 0.06);
}

.page-products .pp-track::-webkit-scrollbar-thumb {
  background: var(--neon);
  border-radius: 99px;
}

.page-products .pp-entry {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(80vw, 300px);
  padding: 22px 18px 18px;
  scroll-snap-align: start;
  background: var(--pp-panel);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

.page-products .pp-entry:nth-child(3n + 2) {
  width: min(68vw, 258px);
}

.page-products .pp-entry:nth-child(3n) {
  width: min(86vw, 340px);
}

.page-products .pp-entry:hover {
  border-color: var(--neon);
}

.page-products .pp-entry .card__title {
  margin: 6px 0 0;
  font-size: 19px;
  line-height: 1.35;
}

.page-products .pp-entry .card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pp-entry__for {
  margin: auto 0 0;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--volt);
  border-top: 1px solid var(--pp-edge);
}

.page-products .pp-entry-note {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 42px);
}

.page-products .pp-entry-note__figure {
  margin: 0;
}

.page-products .pp-entry-note__title {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
}

.page-products .pp-entry-note__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-products .pp-entry-note__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pp-entry-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--neon);
}

/* ---------- 房间分类 ---------- */

.page-products .pp-rooms-band {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-rooms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-room {
  padding: 20px 18px;
  background: rgba(20, 14, 36, 0.72);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

.page-products .pp-room:hover {
  border-color: var(--acc, var(--neon));
}

.page-products .pp-room__icon {
  display: block;
  width: 34px;
  height: 34px;
  color: var(--acc, var(--neon));
}

.page-products .pp-room__name {
  margin: 14px 0 4px;
  font-size: 17px;
  line-height: 1.35;
}

.page-products .pp-room__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-products .pp-room__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pp-room:nth-child(1) { --acc: var(--neon); }
.page-products .pp-room:nth-child(2) { --acc: var(--volt); }
.page-products .pp-room:nth-child(3) { --acc: var(--pulse); }
.page-products .pp-room:nth-child(4) { --acc: var(--mint); }
.page-products .pp-room:nth-child(5) { --acc: var(--gold); }
.page-products .pp-room:nth-child(6) { --acc: var(--paper); }

/* ---------- 规则清单 ---------- */

.page-products .pp-rules {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-rules__layout {
  display: grid;
  gap: 24px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-rule {
  background: rgba(20, 14, 36, 0.72);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

.page-products .pp-rule + .pp-rule {
  margin-top: 10px;
}

.page-products .pp-rule[open] {
  border-color: rgba(122, 59, 255, 0.6);
}

.page-products .pp-rule__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-rule__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--volt);
}

.page-products .pp-rule[open] .pp-rule__summary::after {
  content: "–";
  color: var(--pulse);
}

.page-products .pp-rule__name {
  flex: 1 1 auto;
}

.page-products .pp-rule__count {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold);
}

.page-products .pp-rule__body {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--pp-edge);
}

.page-products .pp-rule__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pp-rule__body .pp-rule__meta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-products .pp-rules__aside {
  padding: 22px 20px;
  background: rgba(11, 8, 19, 0.55);
  border: 1px dashed var(--pp-edge-strong);
  border-radius: var(--pp-radius);
}

.page-products .pp-rules__aside h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.4;
}

.page-products .pp-rules__aside p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 工具 ---------- */

.page-products .pp-tools-band {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-tool {
  position: relative;
  padding: 24px 18px 20px;
  background: var(--pp-panel);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

.page-products .pp-tool:hover {
  border-color: var(--neon);
}

.page-products .pp-tool .card__title {
  margin: 8px 0 8px;
  font-size: 18px;
}

.page-products .pp-tool .card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pp-tool__where {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
}

.page-products .pp-tools__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 终端差异 ---------- */

.page-products .pp-devices {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-devices__grid {
  display: grid;
  gap: 20px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-device {
  padding: 22px 18px;
  background: rgba(20, 14, 36, 0.66);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

.page-products .pp-device:hover {
  border-color: rgba(122, 59, 255, 0.55);
}

.page-products .pp-device h3 {
  margin: 14px 0 14px;
  font-size: 18px;
  line-height: 1.42;
}

.page-products .pp-device__figure {
  margin: 0 0 16px;
}

.page-products .pp-device__list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-products .pp-device__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pp-device__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--volt);
}

/* ---------- 版本演进 ---------- */

.page-products .pp-version {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-timeline {
  list-style: none;
  display: grid;
  gap: 0;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-products .pp-timeline__item {
  padding: 16px 0 16px 16px;
  border-left: 2px solid var(--pp-edge-strong);
}

.page-products .pp-timeline__item:last-child {
  border-left-color: var(--neon);
}

.page-products .pp-timeline__gen {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .pp-timeline__item h3 {
  margin: 8px 0;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .pp-timeline__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 使用场景 ---------- */

.page-products .pp-scenes {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-scenes__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-scene {
  padding: 20px 18px;
  background: rgba(11, 8, 19, 0.6);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

.page-products .pp-scene:hover {
  border-color: var(--neon);
}

.page-products .pp-scene h3 {
  margin: 12px 0 10px;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .pp-scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pp-scenes__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 收束 ---------- */

.page-products .pp-next {
  padding-block: clamp(34px, 6vw, 66px);
}

.page-products .pp-next__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-next-link {
  display: block;
  padding: 22px 20px;
  color: inherit;
  text-decoration: none;
  background: rgba(20, 14, 36, 0.74);
  border: 1px solid var(--pp-edge);
  border-radius: var(--pp-radius);
  transition: border-color 180ms var(--ease);
}

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

.page-products .pp-next-link h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-next-link p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pp-next-link__arrow {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  color: var(--volt);
  transition: transform 180ms var(--ease);
}

.page-products .pp-next-link:hover .pp-next-link__arrow {
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .pp-entry-note {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-products .pp-devices__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .pp-rules__layout {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-products .pp-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-timeline__item {
    padding: 4px 18px 4px 18px;
  }

  .page-products .pp-timeline__item:first-child {
    padding-left: 0;
  }
}

@media (max-width: 640px) {
  .page-products .pp-entry,
  .page-products .pp-entry:nth-child(3n),
  .page-products .pp-entry:nth-child(3n + 2) {
    width: min(85vw, 300px);
  }

  .page-products .pp-head__title {
    text-shadow: 1px 1px 0 rgba(122, 59, 255, 0.45), -1px -1px 0 rgba(34, 211, 255, 0.3);
  }

  .page-products .pp-head::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-products .pp-entry,
  .page-products .pp-room,
  .page-products .pp-tool,
  .page-products .pp-device,
  .page-products .pp-scene,
  .page-products .pp-next-link,
  .page-products .pp-next-link__arrow {
    transition: none;
  }
}