.page-products {
  --pp-gap: clamp(18px, 3vw, 34px);
  --pp-accent: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(96px, 15vw, 168px) 0 clamp(34px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1100px 460px at 84% 6%, rgba(33, 230, 193, .15), transparent 62%),
    radial-gradient(760px 380px at 6% 96%, rgba(255, 77, 141, .12), transparent 60%);
}

.page-products .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

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

.page-products .crumbs__sep {
  color: var(--line);
}

.page-products .pp-hero h1 {
  max-width: 20ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-products .pp-hero__lead {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.9;
  color: var(--text);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-products .pp-hero__fig {
  margin: 0;
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-section {
  padding: clamp(48px, 7vw, 88px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-section--tint {
  background:
    linear-gradient(180deg, rgba(124, 92, 255, .07), transparent 42%),
    var(--ink-850);
}

.page-products .pp-section--cta {
  border-bottom: 0;
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-products .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .section-head__title {
  margin: 0;
  flex: 1 1 16em;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-products .pp-lede {
  max-width: 66ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--muted);
  font-size: .98rem;
  line-height: 1.85;
}

/* ---------- 栅格兜底 ---------- */
.page-products .grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--pp-gap);
}

.page-products .grid-12 > .col-4 { grid-column: span 4; }
.page-products .grid-12 > .col-6 { grid-column: span 6; }
.page-products .grid-12 > .col-12 { grid-column: span 12; }

/* ---------- 三色总览 ---------- */
.page-products .pp-trio {
  align-items: stretch;
}

.page-products .pp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: opacity var(--base) var(--ease), transform var(--base) var(--ease);
}

.page-products .pp-card--ios { --pp-accent: var(--magenta); }
.page-products .pp-card--android { --pp-accent: var(--violet); }
.page-products .pp-card--v4 { --pp-accent: var(--cyan); }

.page-products .pp-card__rule {
  display: block;
  height: 3px;
  width: 56px;
  background: var(--pp-accent);
  border-radius: 2px;
}

.page-products .pp-card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  line-height: 1.42;
  color: var(--text);
}

.page-products .pp-card__body {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pp-card__kpi {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 4px 0 0;
  font-size: .84rem;
  color: var(--muted);
}

.page-products .pp-card__kpi .stat {
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -.02em;
}

.page-products .pp-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: .85rem;
  color: var(--muted);
}

.page-products .pp-card__list li {
  position: relative;
  padding-left: 16px;
  line-height: 1.65;
}

.page-products .pp-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 6px;
  height: 6px;
  background: var(--pp-accent);
  transform: rotate(45deg);
}

.page-products .pp-card .link {
  margin-top: auto;
  padding-top: 10px;
  font-size: .88rem;
  align-self: flex-start;
}

@media (hover: hover) {
  .page-products .pp-trio:hover .pp-card {
    opacity: .7;
  }

  .page-products .pp-trio .pp-card:hover {
    opacity: 1;
    transform: translateY(-3px);
  }
}

/* ---------- 能力详解 ---------- */
.page-products .pp-detail {
  align-items: center;
}

.page-products .pp-detail--ios { --pp-accent: var(--magenta); }
.page-products .pp-detail--android { --pp-accent: var(--violet); }

.page-products .pp-detail__text p {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

.page-products .pp-points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pp-points li::before {
  content: "▸";
  font-family: var(--font-mono);
  color: var(--pp-accent);
  line-height: 1.8;
}

.page-products .pp-points strong {
  color: var(--text);
  font-weight: 500;
}

.page-products .pp-detail__fig {
  margin: 0;
}

/* ---------- 七类维度 ---------- */
.page-products .pp-dims {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-dim {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-dim summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--fast) var(--ease);
}

.page-products .pp-dim summary::-webkit-details-marker { display: none; }
.page-products .pp-dim summary::marker { content: ""; }

.page-products .pp-dim summary:hover,
.page-products .pp-dim summary:focus-visible {
  background: rgba(30, 74, 117, .22);
}

.page-products .pp-dim summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cyan);
  transition: color var(--fast) var(--ease);
}

.page-products .pp-dim[open] summary::after {
  content: "–";
  color: var(--cyan-deep);
}

.page-products .pp-dim__no {
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-products .pp-dim__name {
  flex: 1 1 auto;
  min-width: 6em;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text);
}

.page-products .pp-dim__freq {
  font-size: .8rem;
  color: var(--amber);
  white-space: nowrap;
}

.page-products .pp-dim__where {
  flex-basis: 100%;
  font-size: .78rem;
  color: var(--muted);
}

.page-products .pp-dim__body {
  padding: 0 4px 18px;
  max-width: 64ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pp-dim__body p {
  margin: 0;
}

.page-products .pp-dim__fig {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

/* ---------- 接入与版本 ---------- */
.page-products .pp-access__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .pp-access__card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.1rem, 1.9vw, 1.32rem);
  line-height: 1.4;
  color: var(--text);
}

.page-products .pp-access__card p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .pp-access__meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-products .pp-access__card--wide {
  background: linear-gradient(180deg, rgba(33, 230, 193, .07), transparent 70%), var(--ink-800);
}

.page-products .pp-tableblock {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-products .pp-tableblock__title {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text);
}

.page-products .pp-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--panel-shadow);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-tablewrap:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pp-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  background: var(--ink-850);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pp-table__v {
  color: var(--amber);
  font-size: .95rem;
}

.page-products .pp-table td {
  color: var(--text);
  line-height: 1.7;
}

.page-products .pp-table tbody tr:hover {
  background: rgba(33, 230, 193, .05);
}

.page-products .pp-tableblock__hint {
  margin: 12px 0 0;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 结尾 ---------- */
.page-products .pp-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  background:
    linear-gradient(120deg, rgba(33, 230, 193, .1), transparent 55%),
    var(--ink-800);
}

.page-products .pp-cta__text {
  flex: 1 1 22em;
  min-width: 0;
}

.page-products .pp-cta__text h2 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  color: var(--text);
}

.page-products .pp-cta__text p {
  margin: 0;
  max-width: 60ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--muted);
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .page-products .grid-12 > [class*="col-"] {
    grid-column: span 12;
  }

  .page-products .pp-hero h1 {
    max-width: none;
  }

  .page-products .pp-detail {
    align-items: start;
  }

  .page-products .pp-detail__fig {
    order: -1;
  }
}

@media (max-width: 560px) {
  .page-products .pp-hero {
    padding-top: clamp(84px, 22vw, 120px);
  }

  .page-products .pp-hero__actions .btn,
  .page-products .pp-cta__actions .btn {
    width: 100%;
    text-align: center;
  }

  .page-products .pp-dim summary {
    gap: 4px 12px;
    padding: 14px 2px;
  }

  .page-products .pp-dim__freq {
    flex-basis: 100%;
  }

  .page-products .pp-sec-dim .pp-dim__where {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-card,
  .page-products .pp-card__rule,
  .page-products .pp-dim summary::after,
  .page-products .crumbs a {
    transition: none;
  }

  .page-products .pp-trio .pp-card:hover {
    transform: none;
  }
}