.page-products {
  --pp-sec-gap: clamp(44px, 7vw, 88px);
  --pp-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(22px, 4vw, 46px) 0 clamp(44px, 6vw, 84px);
  background:
    radial-gradient(120% 96% at 86% 6%, rgba(47, 123, 181, 0.32), transparent 58%),
    radial-gradient(80% 70% at 4% 96%, rgba(94, 211, 192, 0.14), transparent 62%),
    linear-gradient(168deg, var(--c-deep) 0%, var(--c-abyss) 100%);
  border-radius: 0 0 var(--r-xl) var(--r-xl);
  color: var(--c-ivory);
}

.page-products .pp-crumbs {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .pp-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-products .pp-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(198, 210, 221, 0.42);
}

.page-products .pp-crumbs a {
  color: rgba(234, 241, 246, 0.7);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-crumbs a:hover {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-products .pp-crumbs li[aria-current="page"] {
  color: rgba(198, 210, 221, 0.66);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.page-products .pp-hero-grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-products .pp-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-lime);
}

.page-products .pp-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(32px, 5.6vw, 58px);
  line-height: 1.13;
  font-weight: 800;
  letter-spacing: -0.022em;
  color: var(--c-ivory);
}

.page-products .pp-lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(234, 241, 246, 0.76);
}

.page-products .pp-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-products .pp-hero-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-dark);
  background: rgba(198, 210, 221, 0.07);
  font-size: 13px;
  color: rgba(234, 241, 246, 0.82);
}

.page-products .pp-fact-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-lime);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-products .pp-hero-actions .btn-ghost {
  color: var(--c-ivory);
  border-color: var(--line-dark);
}

.page-products .pp-hero-actions .btn-ghost:hover {
  border-color: var(--c-lime);
  color: var(--c-lime);
}

.page-products .pp-hero-visual .media-frame {
  border-radius: var(--r-lg);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.75);
}

.page-products .media-frame img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ---------- 分屏骨架 ---------- */
.page-products .shell {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(44px, 6vw, 80px);
}

.page-products .rail {
  display: none;
}

.page-products .pp-rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-slate);
}

.page-products .rail-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .rail-link:hover {
  background: rgba(11, 33, 54, 0.06);
  color: var(--ink);
}

.page-products .rail-link .rail-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-slate);
}

.page-products .rail-link[aria-current="true"] {
  background: var(--c-deep);
  color: var(--c-ivory);
}

.page-products .rail-link[aria-current="true"] .rail-index {
  color: var(--c-lime);
}

/* ---------- 区块通用 ---------- */
.page-products .pp-body > .pp-sec + .pp-sec {
  margin-top: var(--pp-sec-gap);
}

.page-products .pp-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-products .pp-sec-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-slate);
}

.page-products .pp-sec-num--dark {
  color: var(--c-mint);
}

.page-products .pp-sec h2 {
  margin: 0;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.016em;
  color: var(--ink);
}

.page-products .pp-sec-sub {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pp-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--c-silver);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.page-products .pp-note a {
  color: var(--c-azure);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 123, 181, 0.35);
}

.page-products .pp-note a:hover {
  border-bottom-color: var(--c-azure);
}

.page-products .pp-sec p a {
  color: var(--c-azure);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 123, 181, 0.32);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pp-sec p a:hover {
  border-bottom-color: var(--c-azure);
}

/* ---------- 三条主线 ---------- */
.page-products .pp-lanes {
  display: grid;
  gap: 16px;
}

.page-products .pp-lane {
  --lane-accent: var(--c-lime);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.8vw, 32px);
  border-radius: var(--r-lg);
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-top: 3px solid var(--lane-accent);
}

.page-products .pp-lane--a {
  --lane-accent: var(--c-lime);
  background: linear-gradient(168deg, var(--c-midnight), var(--c-deep));
  border-color: rgba(198, 210, 221, 0.14);
  border-top-color: var(--c-lime);
  color: rgba(234, 241, 246, 0.78);
}

.page-products .pp-lane--b {
  --lane-accent: var(--c-azure);
}

.page-products .pp-lane--c {
  --lane-accent: var(--c-amber);
  background: var(--c-ivory);
}

.page-products .pp-lane-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lane-accent);
}

.page-products .pp-lane h3 {
  margin: 0;
  font-size: clamp(19px, 2.1vw, 23px);
  line-height: 1.35;
  font-weight: 800;
  color: inherit;
}

.page-products .pp-lane--a h3 {
  color: var(--c-ivory);
}

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

.page-products .pp-lane--a p {
  color: rgba(234, 241, 246, 0.74);
}

/* ---------- 检索标签页 ---------- */
.page-products .pp-tabs {
  position: relative;
}

.page-products .pp-tab-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pp-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--c-ivory);
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-products .pp-tab .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-slate);
}

.page-products .pp-tab:hover {
  border-color: var(--c-silver);
}

.page-products #pp-mode-1:checked ~ .pp-tab-bar .pp-tab[for="pp-mode-1"],
.page-products #pp-mode-2:checked ~ .pp-tab-bar .pp-tab[for="pp-mode-2"],
.page-products #pp-mode-3:checked ~ .pp-tab-bar .pp-tab[for="pp-mode-3"] {
  background: var(--c-deep);
  border-color: var(--c-deep);
  color: var(--c-ivory);
}

.page-products #pp-mode-1:checked ~ .pp-tab-bar .pp-tab[for="pp-mode-1"] .mono,
.page-products #pp-mode-2:checked ~ .pp-tab-bar .pp-tab[for="pp-mode-2"] .mono,
.page-products #pp-mode-3:checked ~ .pp-tab-bar .pp-tab[for="pp-mode-3"] .mono {
  color: var(--c-lime);
}

.page-products #pp-mode-1:focus-visible ~ .pp-tab-bar .pp-tab[for="pp-mode-1"],
.page-products #pp-mode-2:focus-visible ~ .pp-tab-bar .pp-tab[for="pp-mode-2"],
.page-products #pp-mode-3:focus-visible ~ .pp-tab-bar .pp-tab[for="pp-mode-3"] {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

.page-products .pp-panel {
  display: none;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--r-lg);
  background: var(--paper-alt);
  border: 1px solid var(--line);
}

.page-products #pp-mode-1:checked ~ .pp-tab-panels .pp-panel-1,
.page-products #pp-mode-2:checked ~ .pp-tab-panels .pp-panel-2,
.page-products #pp-mode-3:checked ~ .pp-tab-panels .pp-panel-3 {
  display: block;
}

.page-products .pp-panel-lead {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .pp-panel-demo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 0;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--c-ivory);
  border: 1px dashed var(--c-silver);
}

.page-products .pp-field-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-slate);
}

.page-products .pp-field {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-deep);
  letter-spacing: 0.04em;
}

.page-products .pp-panel-text {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 68ch;
}

.page-products .pp-search-figure,
.page-products .pp-columns-figure,
.page-products .pp-ios-figure {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  border-radius: var(--r-lg);
}

/* ---------- 12 栏目 ---------- */
.page-products .pp-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-products .pp-col {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: var(--paper-alt);
  border: 1px solid var(--line);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-products .pp-col-num {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-slate);
  padding-top: 2px;
  transition: color var(--dur) var(--ease);
}

.page-products .pp-col-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-products .pp-col-name {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-products .pp-col-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--c-slate);
  transition: color var(--dur) var(--ease);
}

/* ---------- iOS 版本 ---------- */
.page-products .pp-ios {
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(90% 70% at 92% 0%, rgba(94, 211, 192, 0.18), transparent 60%),
    linear-gradient(158deg, var(--c-deep), var(--c-abyss));
  color: var(--c-ivory);
}

.page-products .pp-ios-head {
  max-width: 62ch;
}

.page-products .pp-ios h2 {
  margin: 0;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.016em;
  color: var(--c-ivory);
}

.page-products .pp-ios-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(234, 241, 246, 0.74);
}

.page-products .pp-timeline {
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pp-tl-node {
  position: relative;
  padding: 0 0 24px 26px;
  border-left: 1px solid var(--line-dark);
}

.page-products .pp-tl-node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .pp-tl-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-silver);
}

.page-products .pp-tl-node--now::before {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(240, 169, 59, 0.2);
}

.page-products .pp-tl-ver {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-lime);
}

.page-products .pp-tl-text {
  display: block;
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 241, 246, 0.7);
}

.page-products .pp-ios-figure {
  border-radius: var(--r-lg);
  opacity: 0.96;
}

/* ---------- 多设备 ---------- */
.page-products .pp-split {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pp-split-copy p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-products .pp-devices-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-devices-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  background: var(--c-mist);
  border-left: 3px solid var(--c-mint);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .pp-devices-list .mono {
  flex: none;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-deep);
}

.page-products .pp-split-figure {
  border-radius: var(--r-lg);
  margin: 0;
}

/* ---------- 反馈 ---------- */
.page-products .pp-feedback-grid {
  display: grid;
  gap: 16px;
}

.page-products .pp-fb-card {
  padding: clamp(22px, 2.8vw, 30px);
  border-radius: var(--r-lg);
  background: var(--c-ivory);
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-silver);
}

.page-products .pp-fb-card--time {
  border-left-color: var(--c-azure);
}

.page-products .pp-fb-card--urgent {
  border-left-color: var(--c-amber);
}

.page-products .pp-fb-num {
  display: block;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-deep);
}

.page-products .pp-fb-card h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink);
}

.page-products .pp-fb-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  gap: 16px;
}

.page-products .pp-scene {
  padding: clamp(22px, 2.8vw, 32px);
  border-radius: var(--r-lg);
  background: var(--paper-alt);
  border: 1px solid var(--line);
}

.page-products .pp-scene-tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-products .pp-scene h3 {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .pp-scene p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pp-next {
  margin-top: clamp(26px, 3.6vw, 40px);
  padding: clamp(24px, 3.2vw, 36px);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--c-midnight), var(--c-deep));
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-products .pp-next-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 241, 246, 0.8);
  max-width: 60ch;
}

.page-products .pp-next-text a {
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(163, 230, 53, 0.4);
}

.page-products .pp-next-text a:hover {
  border-bottom-color: var(--c-lime);
}

.page-products .pp-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-next-actions .btn-ghost {
  color: var(--c-ivory);
  border-color: var(--line-dark);
}

.page-products .pp-next-actions .btn-ghost:hover {
  border-color: var(--c-lime);
  color: var(--c-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pp-fb-card--time {
    grid-column: 1 / -1;
  }

  .page-products .pp-next {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 820px) {
  .page-products .pp-lanes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .pp-lane:nth-child(2) {
    margin-top: 38px;
  }

  .page-products .pp-lane:nth-child(3) {
    margin-top: 76px;
  }

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

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

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

  .page-products .pp-fb-card--time {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-products .pp-cols {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 20px 16px;
    border-radius: var(--r-md);
    background: var(--c-mist);
    border: 1px solid var(--line);
  }

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

  .page-products .pp-timeline {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .pp-tl-node {
    padding: 26px 14px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-dark);
  }

  .page-products .pp-tl-node:last-child {
    border-top-color: var(--c-amber);
    border-left-color: transparent;
  }

  .page-products .pp-tl-node::before {
    left: 0;
    top: -5px;
  }

  .page-products .pp-tl-ver {
    font-size: 14px;
  }

  .page-products .pp-tl-text {
    font-size: 12.5px;
    line-height: 1.65;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</PAGE_CSS>>>