.page-products {
  --pp-line: rgba(140, 147, 174, .22);
  --pp-line-strong: rgba(140, 147, 174, .44);
  --pp-ink-soft: rgba(16, 21, 40, .70);
  --pp-ink-line: rgba(16, 21, 40, .14);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--bar-h) + 40px) 0 36px;
  background:
    radial-gradient(120% 130% at 6% 0%, rgba(108, 59, 255, .22), transparent 58%),
    radial-gradient(88% 120% at 96% 20%, rgba(43, 224, 208, .13), transparent 62%),
    var(--c-void);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 76%);
  pointer-events: none;
}

.page-products .pp-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .pp-title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(2rem, 7.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--c-white);
}

.page-products .pp-lede {
  max-width: 66ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .section--paper .pp-lede {
  color: var(--pp-ink-soft);
}

/* 章节跳转索引 */
.page-products .pp-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin-top: 30px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .pp-jump-link {
  flex: 1 1 auto;
  min-width: 130px;
  padding: 11px 14px;
  background: rgba(12, 22, 56, .78);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: background .24s var(--ease), color .24s var(--ease);
}

.page-products .pp-jump-link:hover,
.page-products .pp-jump-link:focus-visible {
  background: var(--c-violet);
  color: #fff;
  outline: none;
}

/* ---------- 数据带 ---------- */
.page-products .pp-data {
  background: var(--c-panel);
  border-bottom: 1px solid var(--pp-line);
}

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

.page-products .pp-data-inner .data-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px 20px;
  border-right: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-data-inner .data-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 7vw, 2.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-white);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-data-inner .data-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-mist);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  padding: 52px 0;
}

.page-products .section-title h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.45rem, 5.4vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -.008em;
  color: var(--c-white);
}

.page-products .section--paper .section-title h2 {
  color: var(--c-ink);
}

.page-products .pp-sub {
  margin: 34px 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.page-products .section--paper .pp-sub {
  color: var(--c-violet);
}

.page-products .pp-hint {
  margin: 14px 0 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-products .pp-media {
  margin: 26px 0 30px;
  border: 1px solid var(--pp-line);
  background: var(--c-panel);
}

.page-products .section--paper .pp-media {
  border-color: var(--pp-ink-line);
  background: transparent;
}

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

/* ---------- 01 型号库 ---------- */
.page-products .pp-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--pp-line);
  border-left: 1px solid var(--pp-line);
}

.page-products .pp-cat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  border-right: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  transition: background .26s var(--ease);
}

.page-products .pp-cat:hover {
  background: rgba(43, 224, 208, .06);
}

.page-products .pp-cat-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-violet-soft);
}

.page-products .pp-cat-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-white);
}

.page-products .pp-cat-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-products .pp-search {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .pp-search-item {
  padding: 20px 18px 22px;
  background: var(--c-void);
  transition: background .26s var(--ease);
}

.page-products .pp-search-item:hover {
  background: var(--c-panel);
}

.page-products .pp-search-key {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--c-violet);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-products .pp-search-val {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-white);
  opacity: .82;
}

/* ---------- 02 质保条款 ---------- */
.page-products .pp-table-wrap {
  margin-top: 8px;
  border: 1px solid var(--pp-ink-line);
  background: #fff;
}

.page-products .pp-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  color: var(--c-ink);
  font-size: 14px;
}

.page-products .pp-caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pp-ink-soft);
  background: var(--c-paper);
  border-bottom: 1px solid var(--pp-ink-line);
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 14px;
  text-align: left;
  vertical-align: bottom;
  background: var(--c-ink);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  white-space: nowrap;
}

.page-products .pp-table tbody th,
.page-products .pp-table tbody td {
  padding: 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pp-ink-line);
  line-height: 1.7;
}

.page-products .pp-rowhead {
  font-weight: 600;
  color: var(--c-violet);
  white-space: nowrap;
}

.page-products .pp-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.page-products .pp-tiers {
  display: grid;
  gap: 12px;
}

.page-products .pp-tier {
  border: 1px solid var(--pp-ink-line);
  background: #fff;
  transition: border-color .26s var(--ease);
}

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

.page-products .pp-tier-sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-tier-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  line-height: 1;
  color: var(--c-violet);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-tier-unit {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink);
}

.page-products .pp-tier-tag {
  padding: 3px 9px;
  border: 1px solid var(--pp-ink-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--pp-ink-soft);
}

.page-products .pp-tier-open {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-violet);
}

.page-products .pp-tier-open::after {
  content: " +";
}

.page-products .pp-tier[open] .pp-tier-open::after {
  content: " –";
}

.page-products .pp-tier-body {
  display: grid;
  gap: 18px;
  padding: 4px 18px 22px;
  border-top: 1px solid var(--pp-ink-line);
}

.page-products .pp-tier-col h4 {
  margin: 16px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--c-violet);
}

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

/* ---------- 03 价格档位 ---------- */
.page-products .pp-scale {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(232, 236, 250, .18);
  border: 1px solid var(--line-strong);
}

.page-products .pp-scale-seg {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 150px;
  padding: 18px 16px 24px;
  background: var(--c-indigo);
  transition: background .28s var(--ease);
}

.page-products .pp-scale-seg::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-cyan));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .34s var(--ease);
}

.page-products .pp-scale-seg:hover::after,
.page-products .pp-scale-seg:focus-within::after {
  transform: scaleX(1);
}

.page-products .pp-scale-seg:hover {
  background: #2A2260;
}

.page-products .pp-scale-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-products .pp-scale-name {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 4vw, 1.3rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--c-white);
}

.page-products .pp-scale-tip {
  margin-top: auto;
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-products .pp-scale-note {
  margin: 22px 0 0;
  max-width: 76ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-white);
  opacity: .78;
}

/* ---------- 04 验收流程 ---------- */
.page-products .pp-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .pp-step {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px 26px;
  background: var(--c-void);
  transition: background .26s var(--ease);
}

.page-products .pp-step:hover {
  background: var(--c-panel);
}

.page-products .pp-step-num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-step-title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-white);
}

.page-products .pp-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 05 检测项目 ---------- */
.page-products .pp-tests {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(232, 236, 250, .18);
  border: 1px solid var(--line-strong);
}

.page-products .pp-test {
  padding: 22px 18px 24px;
  background: var(--c-teal);
  transition: background .26s var(--ease);
}

.page-products .pp-test:hover {
  background: #0E4A4B;
}

.page-products .pp-test-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-products .pp-test-name {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-white);
}

.page-products .pp-test-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 236, 250, .76);
}

/* ---------- 06 安卓适配 ---------- */
.page-products .pp-matrix-wrap {
  border: 1px solid var(--pp-line);
}

.page-products .pp-matrix-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.page-products .pp-matrix-table caption {
  caption-side: top;
  padding: 13px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-mist);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-matrix-table th,
.page-products .pp-matrix-table td {
  padding: 10px 8px;
  border-right: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  text-align: center;
}

.page-products .pp-matrix-table thead th {
  background: var(--c-panel);
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-products .pp-matrix-table tbody th {
  background: var(--c-panel);
  color: var(--c-white);
  font-size: 13.5px;
  font-weight: 400;
  text-align: left;
  white-space: nowrap;
}

.page-products .pp-matrix-table td.pp-on {
  background: rgba(43, 224, 208, .07);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  transition: background .22s var(--ease);
}

.page-products .pp-matrix-table tbody tr:hover td.pp-on {
  background: rgba(43, 224, 208, .2);
}

.page-products .pp-multi {
  margin-top: 28px;
}

.page-products .pp-multi .prose {
  max-width: 78ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-mist);
}

/* ---------- 07 下载与安装 ---------- */
.page-products .pp-install {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 26px;
}

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

.page-products .pp-install-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-install-num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--c-violet-soft);
}

.page-products .pp-install-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-white);
  opacity: .84;
}

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

.page-products .pp-fail {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-white);
  opacity: .84;
}

.page-products .pp-fail-mark {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--c-orange);
  transform: rotate(45deg);
}

.page-products .aside-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 08 提报与更新 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(232, 236, 250, .2);
  border: 1px solid var(--line-strong);
}

.page-products .pp-flow-step {
  padding: 24px 20px 28px;
  background: var(--c-wine);
  transition: background .26s var(--ease);
}

.page-products .pp-flow-step:hover {
  background: #5A1740;
}

.page-products .pp-flow-num {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: .08em;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-flow-title {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-white);
}

.page-products .pp-flow-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 236, 250, .78);
}

.page-products .pp-submit-aside {
  margin-top: 22px;
}

.page-products .pp-submit-aside .note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  padding: 56px 0 64px;
  background:
    radial-gradient(90% 130% at 88% 10%, rgba(108, 59, 255, .2), transparent 60%),
    var(--c-void);
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-cta-title {
  margin: 12px 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 5.6vw, 2.5rem);
  line-height: 1.2;
  color: var(--c-white);
}

.page-products .pp-cta-text {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-data-inner {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-products .pp-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pp-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-tests {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .pp-section {
    padding: 72px 0;
  }
  .page-products .pp-hero {
    padding: calc(var(--bar-h) + 56px) 0 48px;
  }
  .page-products .pp-search {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-tier-body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .pp-tier-col h4 {
    margin-top: 18px;
  }
  .page-products .pp-install {
    grid-template-columns: 1.05fr .95fr;
  }
  .page-products .pp-cta {
    padding: 80px 0 92px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-cats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pp-scale {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-products .pp-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pp-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pp-section {
    padding: 92px 0;
  }
  .page-products .pp-tests {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pp-search {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pp-scale-seg {
    min-height: 190px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-scale-seg::after,
  .page-products .pp-jump-link,
  .page-products .pp-cat,
  .page-products .pp-test,
  .page-products .pp-step,
  .page-products .pp-flow-step,
  .page-products .pp-matrix-table td.pp-on {
    transition: none;
  }
}
</main>