.page-products {
  --pp-gap: clamp(14px, 2.6vw, 26px);
  --pp-pad: clamp(18px, 2.8vw, 30px);
  background: var(--ink);
  color: var(--paper);
}

.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 56px) 0 clamp(38px, 6vw, 78px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 8% -20%, rgba(18, 50, 83, 0.92), transparent 62%),
    radial-gradient(85% 70% at 102% 4%, rgba(214, 168, 79, 0.14), transparent 58%),
    var(--ink);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-products .pp-hero__lead h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-products .pp-hero__text {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
}

.page-products .pp-hero__lead .chip-row {
  margin-top: 20px;
}

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

/* 归档索引面板 */
.page-products .pp-index {
  padding: var(--pp-pad);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-l);
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 24px 60px rgba(3, 9, 18, 0.45);
}

.page-products .pp-index__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pp-index__head span:last-child {
  color: var(--mist);
  font-weight: 600;
}

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

.page-products .pp-index__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-products .pp-index__label {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
}

.page-products .pp-index__value {
  margin: 0;
  text-align: right;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-index__value--coral {
  color: var(--coral);
}

.page-products .pp-index__value--jade {
  color: var(--jade);
}

.page-products .pp-index__foot {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 区块骨架 ---------- */
.page-products .pp-alt {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-sec-head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-products .pp-sec-head h2 {
  margin: 0;
  font-size: clamp(23px, 3.8vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 900;
}

.page-products .pp-sec-head p:last-child {
  margin: 0;
  color: var(--mist);
  font-size: clamp(15px, 1.3vw, 16px);
  line-height: 1.8;
}

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

/* ---------- 三类版本 ---------- */
.page-products .pp-matrix {
  display: grid;
  gap: var(--pp-gap);
}

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

.page-products .pp-tabs {
  position: relative;
}

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

.page-products .pp-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-l);
  background: var(--glass);
}

.page-products .pp-tabs__labels label {
  flex: 1 1 90px;
  padding: 11px 12px;
  border-radius: calc(var(--r-l) - 9px);
  color: var(--mist);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .pp-tabs__labels label:hover {
  color: var(--gold-hi);
}

.page-products #pp-ver-stable:checked ~ .pp-tabs__labels label[for="pp-ver-stable"],
.page-products #pp-ver-classic:checked ~ .pp-tabs__labels label[for="pp-ver-classic"],
.page-products #pp-ver-archive:checked ~ .pp-tabs__labels label[for="pp-ver-archive"] {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(214, 168, 79, 0.22);
}

.page-products #pp-ver-stable:focus-visible ~ .pp-tabs__labels label[for="pp-ver-stable"],
.page-products #pp-ver-classic:focus-visible ~ .pp-tabs__labels label[for="pp-ver-classic"],
.page-products #pp-ver-archive:focus-visible ~ .pp-tabs__labels label[for="pp-ver-archive"] {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
}

.page-products .pp-tabs__panels {
  margin-top: 14px;
}

.page-products .pp-tabs__panel {
  display: none;
  padding: var(--pp-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: var(--ink-3);
  box-shadow: inset 0 1px 0 rgba(242, 246, 250, 0.06);
}

.page-products #pp-ver-stable:checked ~ .pp-tabs__panels .pp-tabs__panel--stable,
.page-products #pp-ver-classic:checked ~ .pp-tabs__panels .pp-tabs__panel--classic,
.page-products #pp-ver-archive:checked ~ .pp-tabs__panels .pp-tabs__panel--archive {
  display: block;
  animation: pp-products-fade 0.28s var(--ease) both;
}

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

.page-products .pp-panel__kicker {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-products .pp-panel__title {
  margin: 0 0 16px;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .pp-panel__list {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .pp-panel__list li {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pp-panel__label {
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-products .pp-panel__list li .mono {
  color: var(--gold-hi);
  font-size: 14px;
}

/* ---------- 2024 年 10 月归档 ---------- */
.page-products .pp-archive {
  display: grid;
  gap: var(--pp-gap);
}

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

.page-products .pp-archive__lead {
  margin: 0 0 16px;
  color: var(--paper);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.7;
}

.page-products .pp-months {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .pp-months li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-3);
  color: var(--mist);
  font-family: var(--mono);
  font-size: 13px;
}

.page-products .pp-months li.is-current {
  border-color: var(--coral);
  background: rgba(242, 107, 79, 0.14);
  color: var(--paper);
  font-weight: 700;
}

.page-products .pp-archive__list {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-products .pp-archive__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(6, 19, 34, 0.45);
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

.page-products .pp-archive__list strong {
  color: var(--paper);
}

.page-products .pp-archive__code {
  padding: 2px 8px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-s);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ---------- 年度卷 ---------- */
.page-products .pp-years__media {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-products .pp-years__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-year {
  flex: 0 0 82%;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--pp-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-3);
  scroll-snap-align: start;
}

.page-products .pp-year__kicker {
  margin: 0;
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-products .pp-year__num {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(32px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

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

.page-products .pp-year .tag {
  justify-self: start;
  margin-top: 4px;
}

.page-products .pp-years__note {
  margin: 18px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 企业定制 ---------- */
.page-products .pp-custom {
  display: grid;
  gap: var(--pp-gap);
}

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

.page-products .pp-custom__body h2 {
  margin: 10px 0 14px;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  font-weight: 900;
}

.page-products .pp-custom__body > p {
  margin: 0 0 20px;
  max-width: 40em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .pp-steps {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .pp-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--r-s);
  background: rgba(6, 19, 34, 0.5);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .pp-steps__n {
  color: var(--gold-hi);
  font-size: 13px;
  font-weight: 700;
}

.page-products .pp-custom__meta {
  padding: 14px 16px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-m);
  background: var(--glass);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .pp-custom__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 兼容性 ---------- */
.page-products .pp-compat__media {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

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

.page-products .pp-faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-3);
  overflow: hidden;
}

.page-products .pp-faq details[open] {
  border-color: var(--glass-line);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .pp-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  color: var(--paper);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-faq summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: -3px;
}

.page-products .pp-faq__mark {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 16px;
  transition: transform 0.2s var(--ease);
}

.page-products .pp-faq details[open] .pp-faq__mark {
  transform: rotate(45deg);
}

.page-products .pp-faq__body {
  padding: 0 18px 16px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 上架流程 ---------- */
.page-products .pp-flow {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-flow li {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-3);
}

.page-products .pp-flow li strong {
  color: var(--paper);
  font-size: 16px;
}

.page-products .pp-flow li span:last-child {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .pp-flow__n {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-products .pp-flow__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--jade);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 底部指引 ---------- */
.page-products .pp-cta {
  padding-bottom: clamp(46px, 7vw, 88px);
}

.page-products .pp-cta__box {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-l);
  background:
    linear-gradient(135deg, rgba(214, 168, 79, 0.1), transparent 52%),
    var(--glass);
}

.page-products .pp-cta__box h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.26;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .pp-cta__box p {
  margin: 0;
  max-width: 40em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-products .pp-cta__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(6, 19, 34, 0.55);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .pp-cta__link .mono {
  color: var(--gold);
  font-size: 13px;
}

.page-products .pp-cta__link:hover,
.page-products .pp-cta__link:focus-visible {
  border-color: var(--gold);
  background: rgba(18, 50, 83, 0.75);
  transform: translateY(-1px);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-index__value {
    font-size: 16px;
  }

  .page-products .pp-year {
    flex: 0 0 calc(50% - 7px);
  }

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

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

@media (min-width: 960px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pp-matrix {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .page-products .pp-archive {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-products .pp-custom {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-products .pp-year {
    flex: 0 0 calc(25% - 11px);
  }

  .page-products .pp-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pp-cta__box {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-products .pp-hero {
    padding-top: clamp(34px, 4vw, 64px);
  }

  .page-products .pp-custom__media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products #pp-ver-stable:checked ~ .pp-tabs__panels .pp-tabs__panel--stable,
  .page-products #pp-ver-classic:checked ~ .pp-tabs__panels .pp-tabs__panel--classic,
  .page-products #pp-ver-archive:checked ~ .pp-tabs__panels .pp-tabs__panel--archive {
    animation: none;
  }

  .page-products .pp-cta__link {
    transition: none;
  }
}
<<<END>>>