.page-products {
  --pp-grid-line: rgba(148, 168, 184, 0.1);
  --pp-muted: rgba(234, 242, 248, 0.78);
  --pp-panel: rgba(11, 36, 64, 0.62);
  --pp-glass-line: rgba(142, 245, 234, 0.28);
  background: var(--deep);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

.page-products .breadcrumbs a {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan-line);
}

.page-products .breadcrumbs__sep {
  color: rgba(148, 168, 184, 0.5);
}

.page-products .prod-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .prod-head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
  color: var(--fog);
  text-wrap: balance;
}

.page-products .prod-head .lede {
  margin: 14px 0 0;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 3.5vw, 44px) 0 clamp(48px, 7vw, 92px);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--pp-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 62%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 62%, transparent 100%);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(620px, 85vw);
  height: min(620px, 85vw);
  z-index: 0;
  background: radial-gradient(circle, rgba(47, 123, 255, 0.22), transparent 66%);
  pointer-events: none;
}

.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-products .prod-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.9rem, 5.6vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  color: var(--fog);
  text-wrap: balance;
}

.page-products .prod-hero .lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(0.96rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--pp-muted);
}

.page-products .device-tabs {
  position: relative;
  display: grid;
  gap: 8px;
  margin: 28px 0 0;
  max-width: 420px;
}

.page-products .device-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .device-tabs__tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 56px;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: rgba(11, 36, 64, 0.48);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .device-tabs__tab:hover {
  border-color: var(--pp-glass-line);
  background: rgba(11, 36, 64, 0.72);
}

.page-products .device-tabs__radio:checked + .device-tabs__tab {
  border-color: var(--cyan);
  background: rgba(32, 227, 210, 0.1);
  box-shadow: inset 3px 0 0 var(--cyan), 0 8px 22px rgba(32, 227, 210, 0.12);
}

.page-products .device-tabs__radio:focus-visible + .device-tabs__tab {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .device-tabs__k {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fog);
  letter-spacing: 0.01em;
}

.page-products .device-tabs__v {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--graphite);
  text-align: right;
}

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

.page-products .prod-hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
}

.page-products .prod-hero__shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--pp-glass-line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(11, 36, 64, 0.9), rgba(3, 11, 20, 0.92));
  box-shadow: var(--shadow-lift);
}

.page-products .prod-hero__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.92;
}

.page-products .prod-hero__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 47, 0.1) 30%, rgba(3, 11, 20, 0.72) 100%);
  pointer-events: none;
}

.page-products .prod-hero__shot-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 10px;
  border: 1px solid var(--cyan-line);
  border-radius: 999px;
  background: rgba(3, 11, 20, 0.72);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .device-readout {
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid var(--pp-glass-line);
  border-radius: var(--radius-m);
  background: rgba(7, 26, 47, 0.92);
  box-shadow: var(--shadow-lift);
}

.page-products .device-readout__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-products .device-readout li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--pp-muted);
}

.page-products .device-readout li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .prod-hero:has(#dev-android:checked) .device-readout:not(.device-readout--android),
.page-products .prod-hero:has(#dev-ios:checked) .device-readout:not(.device-readout--ios),
.page-products .prod-hero:has(#dev-desktop:checked) .device-readout:not(.device-readout--desktop) {
  display: none;
}

/* ---------- 版本 ---------- */
.page-products .prod-version {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0;
  background: linear-gradient(180deg, rgba(7, 26, 47, 0) 0%, rgba(11, 36, 64, 0.95) 18%, rgba(11, 36, 64, 0.95) 82%, rgba(7, 26, 47, 0) 100%);
}

.page-products .version-grid {
  display: grid;
  gap: 14px;
}

.page-products .version-panel {
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(7, 26, 47, 0.62);
}

.page-products .version-panel--current {
  border-color: var(--cyan-line);
  box-shadow: inset 0 0 0 1px rgba(32, 227, 210, 0.07);
}

.page-products .version-panel--prev {
  border-style: dashed;
  background: rgba(3, 11, 20, 0.42);
}

.page-products .version-panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .version-pill {
  display: inline-block;
  padding: 5px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.page-products .version-pill--cyan {
  border: 1px solid var(--cyan-line);
  background: rgba(32, 227, 210, 0.1);
  color: var(--cyan);
}

.page-products .version-pill--amber {
  border: 1px solid rgba(255, 178, 62, 0.42);
  background: rgba(255, 178, 62, 0.1);
  color: var(--amber);
}

.page-products .version-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .version-rows li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .version-rows li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .version-rows__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-products .version-rows__v {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-products .version-panel--prev .version-rows__v {
  color: var(--pp-muted);
}

.page-products .version-shot {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: rgba(3, 11, 20, 0.5);
}

.page-products .version-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 620;
  object-fit: cover;
}

.page-products .version-foot {
  margin: 18px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-products .version-foot a {
  margin-left: 6px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

.page-products .version-foot a:hover,
.page-products .version-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 兼容 ---------- */
.page-products .prod-compat {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0;
  background-color: var(--navy);
  background-image:
    radial-gradient(90% 60% at 100% 0%, rgba(32, 227, 210, 0.1), transparent 62%),
    linear-gradient(to right, rgba(148, 168, 184, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 168, 184, 0.06) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
}

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

.page-products .compat-list {
  display: grid;
  gap: 14px;
}

.page-products .compat-card {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-m);
  background: rgba(3, 11, 20, 0.4);
}

.page-products .compat-card__os {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .compat-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--fog);
}

.page-products .compat-card ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .compat-card li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--pp-muted);
}

.page-products .compat-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-left: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(-45deg);
}

.page-products .compat-card__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 178, 62, 0.4);
}

.page-products .compat-card__link:hover,
.page-products .compat-card__link:focus-visible {
  border-bottom-color: var(--amber);
}

.page-products .compat-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .compat-shot {
  margin: 0;
  border: 1px solid var(--pp-glass-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: rgba(3, 11, 20, 0.6);
}

.page-products .compat-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .compat-aside__note {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan-line);
  background: rgba(7, 26, 47, 0.55);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--pp-muted);
}

/* ---------- 分步 ---------- */
.page-products .prod-steps {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0;
  background:
    radial-gradient(70% 50% at 15% 0%, rgba(32, 227, 210, 0.1), transparent 62%),
    radial-gradient(60% 50% at 95% 100%, rgba(47, 123, 255, 0.12), transparent 62%),
    var(--deep);
}

.page-products .steps-shot {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: rgba(11, 36, 64, 0.45);
}

.page-products .steps-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 520;
  object-fit: cover;
}

.page-products .route-grid {
  display: grid;
  gap: 16px;
}

.page-products .route-card {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(11, 36, 64, 0.86), rgba(7, 26, 47, 0.6));
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-products .route-card--a {
  border-top: 3px solid var(--cyan);
}

.page-products .route-card--b {
  border-top: 3px solid var(--blue);
}

.page-products .route-card--c {
  border-top: 3px solid var(--amber);
}

.page-products .route-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--graphite);
}

.page-products .route-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fog);
}

.page-products .route-steps {
  position: relative;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .route-steps::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-line), rgba(32, 227, 210, 0));
}

.page-products .route-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pp-muted);
}

.page-products .route-steps__n {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--cyan-line);
  background: rgba(3, 11, 20, 0.9);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cyan);
}

/* ---------- 功能 ---------- */
.page-products .prod-features {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--deep);
}

.page-products .feature-grid {
  display: grid;
  gap: 14px;
}

.page-products .feature-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--pp-panel);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-products .feature-card__icon {
  width: 38px;
  height: 38px;
  stroke: var(--cyan);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .feature-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fog);
}

.page-products .feature-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--pp-muted);
}

.page-products .feature-card .tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.page-products .feature-visual {
  margin: 0;
  border: 1px solid var(--pp-glass-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: rgba(3, 11, 20, 0.6);
}

.page-products .feature-visual img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 场景（浅色层） ---------- */
.page-products .prod-scenes {
  padding: clamp(48px, 7vw, 92px) 0;
  background: linear-gradient(180deg, #EAF2F8 0%, #D5E6F1 100%);
  color: var(--navy);
}

.page-products .prod-scenes .prod-head h2 {
  color: var(--navy);
}

.page-products .prod-scenes .eyebrow {
  color: #0E6FA8;
}

.page-products .scene-grid {
  display: grid;
  gap: 14px;
}

.page-products .scene-card {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid rgba(11, 36, 64, 0.14);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 26px rgba(7, 26, 47, 0.08);
}

.page-products .scene-card__n {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: #0E6FA8;
}

.page-products .scene-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}

.page-products .scene-card p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(11, 36, 64, 0.82);
}

/* ---------- 收束 ---------- */
.page-products .prod-cta {
  padding: clamp(44px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(60% 70% at 80% 0%, rgba(47, 123, 255, 0.18), transparent 64%),
    var(--deep);
}

.page-products .prod-cta__inner {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--pp-glass-line);
  border-radius: var(--radius-l);
  background: rgba(11, 36, 64, 0.6);
  box-shadow: var(--shadow-lift);
}

.page-products .prod-cta h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-products .prod-cta p {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

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

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

  .page-products .compat-card:first-child {
    grid-column: 1 / -1;
  }

  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .prod-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
  }

  .page-products .device-readout {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    margin-top: 0;
    background: rgba(7, 26, 47, 0.88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .page-products .prod-hero__shot img {
    aspect-ratio: 4 / 3;
  }

  .page-products .compat-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

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

  .page-products .compat-card:first-child {
    grid-column: 1 / -1;
  }

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

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

  .page-products .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

@media (hover: hover) {
  .page-products .feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--pp-glass-line);
    box-shadow: var(--shadow-cyan);
  }

  .page-products .route-card:hover {
    border-color: var(--pp-glass-line);
    transform: translateY(-3px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feature-card,
  .page-products .route-card,
  .page-products .device-tabs__tab,
  .page-products .breadcrumbs a {
    transition: none;
  }

  .page-products .feature-card:hover,
  .page-products .route-card:hover {
    transform: none;
  }
}
<<<END>>>