.page-products {
  --pp-gap: clamp(52px, 7vw, 96px);
  background: var(--ink);
  color: var(--ice);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 48px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(56, 232, 216, 0.16), transparent 62%),
    linear-gradient(168deg, var(--teal) 0%, var(--ink) 54%, var(--ink) 100%);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(560px, 64vw);
  height: 148%;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(255, 180, 84, 0.15), transparent 62%);
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .pp-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 52px);
}

.page-products .pp-eyebrow {
  margin: 20px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pp-hero__lead h1 {
  margin: 16px 0 0;
  max-width: 9em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(36px, 7vw, 74px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-products .pp-hero__lede {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.8;
  color: var(--steel);
}

.page-products .pp-hero__shot {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--line);
}

/* ---------- 版本号控制台 ---------- */
.page-products .pp-console {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 43, 51, 0.95), rgba(7, 20, 31, 0.98));
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    var(--cut) 100%,
    0 calc(100% - var(--cut))
  );
}

.page-products .pp-console::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-products .pp-console__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-products .pp-ver {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-ver__num {
  font-size: clamp(28px, 4.6vw, 40px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.page-products .pp-ver__meta {
  font-size: 11.5px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-products .pp-console__hint {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ice);
}

.page-products .pp-sys {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-sys a {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  font-size: 12.5px;
  line-height: 1.2;
  color: var(--ice);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(56, 232, 216, 0.06);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-products .pp-sys a:hover,
.page-products .pp-sys a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(56, 232, 216, 0.12);
}

.page-products .pp-console__actions {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-products .pp-console__foot {
  margin: 16px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 区块通用 ---------- */
.page-products .pp-section {
  position: relative;
  padding: var(--pp-gap) 0;
  border-top: 1px solid rgba(44, 74, 85, 0.55);
}

.page-products .pp-section h2 {
  margin: 20px 0 0;
  max-width: 16em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ice);
}

.page-products .pp-lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--steel);
}

.page-products .pp-section--adapt {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-soft) 100%);
}

.page-products .pp-section--compare {
  background: linear-gradient(180deg, var(--indigo) 0%, #100f22 100%);
}

.page-products .pp-section--install {
  background: linear-gradient(180deg, var(--ink-soft) 0%, var(--ink) 100%);
}

.page-products .pp-section--version {
  background:
    radial-gradient(90% 120% at 10% 0%, rgba(56, 232, 216, 0.13), transparent 62%),
    var(--teal);
}

.page-products .pp-section--faq {
  background: var(--ink);
}

/* ---------- 适配分段 ---------- */
.page-products .pp-tabs {
  position: relative;
  margin-top: clamp(26px, 3.5vw, 40px);
}

.page-products .pp-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .pp-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-tablist label {
  cursor: pointer;
  padding: 9px 15px;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--steel);
  background: transparent;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

.page-products .pp-tablist label:hover {
  color: var(--ice);
  border-color: var(--cyan);
}

.page-products #pp-tab-1:checked ~ .pp-tablist label[for="pp-tab-1"],
.page-products #pp-tab-2:checked ~ .pp-tablist label[for="pp-tab-2"],
.page-products #pp-tab-3:checked ~ .pp-tablist label[for="pp-tab-3"],
.page-products #pp-tab-4:checked ~ .pp-tablist label[for="pp-tab-4"] {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
  font-weight: 600;
}

.page-products #pp-tab-1:focus-visible ~ .pp-tablist label[for="pp-tab-1"],
.page-products #pp-tab-2:focus-visible ~ .pp-tablist label[for="pp-tab-2"],
.page-products #pp-tab-3:focus-visible ~ .pp-tablist label[for="pp-tab-3"],
.page-products #pp-tab-4:focus-visible ~ .pp-tablist label[for="pp-tab-4"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

.page-products .pp-panel {
  display: none;
}

.page-products #pp-tab-1:checked ~ .pp-panels .pp-panel--browser,
.page-products #pp-tab-2:checked ~ .pp-panels .pp-panel--os,
.page-products #pp-tab-3:checked ~ .pp-panels .pp-panel--screen,
.page-products #pp-tab-4:checked ~ .pp-panels .pp-panel--a11y {
  display: block;
  animation: pp-panel-in 0.22s ease both;
}

@keyframes pp-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .pp-rows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px dashed rgba(44, 74, 85, 0.8);
}

.page-products .pp-row:last-child {
  border-bottom: 0;
}

.page-products .pp-row__name {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ice);
}

.page-products .pp-row__code {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-products .pp-row .status {
  justify-self: start;
}

.page-products .pp-alt {
  margin-top: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--magenta);
}

.page-products .pp-alt summary {
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--magenta);
}

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

.page-products .pp-alt summary::after {
  content: " ↓";
  font-family: var(--font-mono);
}

.page-products .pp-alt[open] summary::after {
  content: " ↑";
}

.page-products .pp-alt p {
  margin: 8px 0 2px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .pp-matrix {
  max-width: 900px;
  margin: clamp(30px, 4vw, 48px) auto 0;
  border: 1px solid var(--line);
}

/* ---------- 路径对比 ---------- */
.page-products .pp-tracks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .pp-track {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  background: rgba(7, 20, 31, 0.55);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    var(--cut) 100%,
    0 calc(100% - var(--cut))
  );
}

.page-products .pp-track--ours {
  border-color: rgba(56, 232, 216, 0.5);
  background: linear-gradient(170deg, rgba(56, 232, 216, 0.1), rgba(7, 20, 31, 0.62));
}

.page-products .pp-track__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-track__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.3;
  color: var(--ice);
}

.page-products .pp-track__count {
  flex: none;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .pp-track__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-products .pp-track__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 11px 0;
}

.page-products .pp-track__item + .pp-track__item {
  border-top: 1px dashed rgba(44, 74, 85, 0.7);
}

.page-products .pp-track__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  background: var(--cyan);
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.page-products .pp-track--generic .pp-track__num {
  background: var(--steel);
}

.page-products .pp-track__text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ice);
}

.page-products .pp-track__foot {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .pp-track--ours .pp-track__foot strong {
  color: var(--amber);
  font-weight: 600;
}

.page-products .pp-compare-figure {
  margin: clamp(30px, 4vw, 46px) 0 0;
  border: 1px solid var(--line);
}

/* ---------- 安装流程 ---------- */
.page-products .pp-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  margin-top: clamp(28px, 4vw, 44px);
}

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

.page-products .pp-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-step {
  position: relative;
  padding: 0 0 30px 48px;
}

.page-products .pp-step:last-child {
  padding-bottom: 0;
}

.page-products .pp-step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(44, 74, 85, 0));
}

.page-products .pp-step:last-child::before {
  display: none;
}

.page-products .pp-step__dot {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: var(--amber);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-products .pp-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.35;
  color: var(--ice);
}

.page-products .pp-step p {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pp-prep {
  margin: clamp(26px, 3.5vw, 40px) 0 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(56, 232, 216, 0.06);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ice);
}

.page-products .pp-prep strong {
  color: var(--cyan);
  font-weight: 600;
}

/* ---------- 版本号区 ---------- */
.page-products .pp-version {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
}

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

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

.page-products .pp-checklist li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ice);
}

.page-products .pp-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pp-version__body .btn {
  margin-top: 26px;
}

/* ---------- 常见问题 ---------- */
.page-products .pp-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-products .pp-faq__list {
  display: grid;
  gap: 10px;
}

.page-products .pp-qa {
  padding: 0 18px;
  border: 1px solid var(--line);
  background: rgba(11, 43, 51, 0.35);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-products .pp-qa summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 28px 16px 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ice);
}

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

.page-products .pp-qa summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.16s ease;
}

.page-products .pp-qa[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-products .pp-qa p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 相关页面 ---------- */
.page-products .pp-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .pp-next a {
  display: block;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  color: var(--ice);
  border: 1px solid var(--line);
  background: rgba(7, 20, 31, 0.5);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-products .pp-next a:hover,
.page-products .pp-next a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(56, 232, 216, 0.08);
}

.page-products .pp-next__key {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }

  .page-products .pp-row .status {
    justify-self: end;
  }

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

@media (min-width: 860px) {
  .page-products .pp-tracks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-products .pp-track--generic {
    margin-top: 26px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-install {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-version {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    align-items: start;
  }

  .page-products .pp-faq {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-products .pp-console {
    padding: 20px 16px 18px;
  }

  .page-products .pp-tablist label {
    padding: 9px 12px;
    font-size: 12.5px;
  }

  .page-products .pp-step {
    padding-left: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-panel,
  .page-products #pp-tab-1:checked ~ .pp-panels .pp-panel--browser,
  .page-products #pp-tab-2:checked ~ .pp-panels .pp-panel--os,
  .page-products #pp-tab-3:checked ~ .pp-panels .pp-panel--screen,
  .page-products #pp-tab-4:checked ~ .pp-panels .pp-panel--a11y {
    animation: none;
  }

  .page-products .pp-sys a,
  .page-products .pp-tablist label,
  .page-products .pp-qa summary::after,
  .page-products .pp-next a {
    transition: none;
  }
}
<<<END>>>