.page-products {
  --pp-track: 28px;
  --pp-line-soft: rgba(44, 56, 51, 0.9);
  display: block;
  color: var(--text);
}

.page-products .pp-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-stamp {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 0;
}

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

/* ---------- Hero ---------- */
.page-products .pp-hero {
  display: grid;
  gap: 28px;
  padding: 34px 0 42px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(57, 242, 176, 0.09), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(201, 111, 69, 0.07), transparent 65%);
}

.page-products .pp-h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 8vw, 54px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .pp-h1-line {
  display: block;
  margin-top: 10px;
  font-size: 0.5em;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
  color: var(--mint);
}

.page-products .pp-lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .pp-hero__actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .pp-hero__aside {
  position: relative;
  padding: 22px 20px 18px;
  background: linear-gradient(158deg, var(--panel) 0%, rgba(30, 43, 37, 0.85) 100%);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-products .pp-hero__aside::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 46px;
  background: var(--mint);
}

.page-products .pp-aside__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-products .pp-quick {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-quick__item {
  position: relative;
  display: grid;
  grid-template-columns: var(--pp-track) minmax(0, 1fr);
  gap: 12px;
}

.page-products .pp-quick__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: -16px;
  width: 1px;
  background: var(--line);
}

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

.page-products .pp-quick__num {
  display: grid;
  place-items: center;
  width: var(--pp-track);
  height: var(--pp-track);
  font-size: 11.5px;
  color: var(--ink);
  background: var(--mint);
}

.page-products .pp-quick__title {
  display: block;
  font-size: 14px;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-products .pp-quick__text p {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pp-updated {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-block {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-products .pp-sec-head h2,
.page-products .pp-compat__text h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 5.2vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pp-sec-sub,
.page-products .pp-compat__lead {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 图 ---------- */
.page-products .pp-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-products .pp-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-faint);
}

.page-products .pp-figure--side {
  aspect-ratio: 3 / 2;
}

.page-products .pp-figure--side img {
  height: 100%;
}

.page-products .pp-figure--wide {
  margin-top: 24px;
}

.page-products .pp-figure--square {
  aspect-ratio: 1 / 1;
}

.page-products .pp-figure--square img {
  height: 100%;
}

.page-products .pp-figure--compat {
  aspect-ratio: 3 / 2;
}

.page-products .pp-figure--compat img {
  height: 100%;
}

/* ---------- 版本选择台 ---------- */
.page-products .pp-versions__grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

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

.page-products .pp-vcard {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 22px 18px 24px;
  border-left: 2px solid var(--line);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-products .pp-vcard:hover {
  border-left-color: var(--mint);
}

.page-products .pp-vcard--legacy:hover {
  border-left-color: var(--amber);
}

.page-products .pp-vcard__idx {
  display: block;
  font-size: clamp(34px, 9vw, 48px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--mint);
  transition: color 0.3s var(--ease);
}

.page-products .pp-vcard--legacy .pp-vcard__idx {
  color: var(--amber);
}

.page-products .pp-vcard__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pp-vcard__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pp-vcard__meta {
  margin: 16px 0 18px;
  display: grid;
  gap: 8px;
  font-size: 12.5px;
}

.page-products .pp-vcard__meta > div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--pp-line-soft);
}

.page-products .pp-vcard__meta > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pp-vcard__meta dt {
  color: var(--text-faint);
}

.page-products .pp-vcard__meta dd {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

.page-products .pp-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

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

.page-products .pp-note {
  padding: 18px 16px;
  background: var(--moss);
  border-top: 2px solid var(--amber);
}

.page-products .pp-note__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pp-note__text {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 对比表 ---------- */
.page-products .pp-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pp-table__caption {
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  border-bottom: 1px solid var(--line);
}

.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);
  line-height: 1.65;
}

.page-products .pp-table thead th {
  background: rgba(30, 43, 37, 0.95);
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .pp-table thead th .mono {
  margin-right: 6px;
  color: var(--mint);
  font-weight: 700;
}

.page-products .pp-table tbody th {
  width: 120px;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(30, 43, 37, 0.45);
}

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

.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 tbody tr:hover td {
  background: rgba(57, 242, 176, 0.05);
}

/* ---------- 安装三步 ---------- */
.page-products .pp-install__stage {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.page-products .pp-step {
  position: relative;
  padding: 22px 18px 24px;
  background: linear-gradient(165deg, var(--panel) 0%, rgba(30, 43, 37, 0.55) 100%);
  border-top: 2px solid var(--line);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .pp-step::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(57, 242, 176, 0.14), transparent 58%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.page-products .pp-step:hover,
.page-products .pp-step:focus-within {
  border-top-color: var(--mint);
}

.page-products .pp-step:hover::before,
.page-products .pp-step:focus-within::before {
  opacity: 1;
}

.page-products .pp-step__num {
  display: inline-block;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--mint);
}

.page-products .pp-step__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-step__text {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pp-step__arrow {
  display: none;
  position: absolute;
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--mint);
  line-height: 0;
}

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

/* ---------- 兼容 ---------- */
.page-products .pp-compat__grid {
  display: grid;
  gap: 24px;
}

.page-products .pp-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-checklist li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
}

.page-products .pp-checklist__mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 11.5px;
  color: var(--ink);
  background: var(--amber);
}

.page-products .pp-checklist strong {
  display: block;
  font-size: 14px;
  color: var(--paper);
}

.page-products .pp-checklist p {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 旧版本 ---------- */
.page-products .pp-legacy__grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .pp-legacy__figure {
  margin-top: 0;
}

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

.page-products .pp-trace__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-trace__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pp-trace__num {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--amber);
}

.page-products .pp-trace__body h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-trace__body p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pp-inline-link {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-faint);
}

.page-products .pp-inline-link a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 176, 0.45);
  padding-bottom: 1px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pp-inline-link a:hover,
.page-products .pp-inline-link a:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- FAQ ---------- */
.page-products .pp-faq {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-products .pp-faq details {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.25s var(--ease);
}

.page-products .pp-faq details[open] {
  border-color: rgba(57, 242, 176, 0.55);
}

.page-products .pp-faq summary {
  position: relative;
  padding: 15px 44px 15px 15px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-faq summary::after {
  content: "+";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--mint);
}

.page-products .pp-faq details[open] summary::after {
  content: "−";
  color: var(--amber);
}

.page-products .pp-faq summary:focus-visible {
  outline: 1px solid var(--mint);
  outline-offset: 2px;
}

.page-products .pp-faq p {
  margin: 0;
  padding: 0 15px 18px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 收束 ---------- */
.page-products .pp-cta {
  margin-top: 30px;
  padding: 26px 20px;
  display: grid;
  gap: 20px;
  background: linear-gradient(120deg, var(--moss) 0%, var(--panel) 78%);
  border-left: 3px solid var(--mint);
}

.page-products .pp-cta__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.page-products .pp-cta__text {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-cta__actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .pp-faq-block .pp-inline-link {
  margin-top: 18px;
}

/* ---------- 平板 ---------- */
@media (min-width: 680px) {
  .page-products .pp-vcard {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 20px;
    padding: 26px 24px 28px;
  }

  .page-products .pp-vcard__idx {
    font-size: 52px;
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 26px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
    gap: 52px;
    padding: 60px 0 54px;
    align-items: start;
  }

  .page-products .pp-hero__aside {
    margin-top: 6px;
  }

  .page-products .pp-block {
    padding: 62px 0;
  }

  .page-products .pp-versions__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.45fr);
    gap: 30px;
    align-items: start;
  }

  .page-products .pp-install__stage {
    grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .pp-steps {
    gap: 26px;
  }

  .page-products .pp-step {
    padding: 26px 20px 28px;
  }

  .page-products .pp-step__arrow {
    display: block;
  }

  .page-products .pp-compat__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-legacy__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .pp-trace__item {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 20px 0;
  }

  .page-products .pp-trace__num {
    font-size: 24px;
  }
}

@media (min-width: 1240px) {
  .page-products .pp-vcard {
    grid-template-columns: 104px minmax(0, 1fr);
  }

  .page-products .pp-vcard__idx {
    font-size: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-vcard,
  .page-products .pp-step,
  .page-products .pp-faq details,
  .page-products .pp-inline-link a {
    transition: none;
  }
}
<<<END>>>