.page-products {
  --xp-gap: clamp(18px, 3vw, 32px);
  --xp-line-soft: 1px solid rgba(16, 24, 32, .16);
  background: var(--paper);
  color: var(--ink);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .xp-crumbs {
  padding-top: 16px;
}

/* 首屏 */
.page-products .xp-hero {
  padding: 10px 0 clamp(28px, 5vw, 52px);
}

.page-products .xp-hero__grid {
  display: grid;
  gap: var(--xp-gap);
  align-items: end;
}

.page-products .xp-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 9vw, 5.6rem);
  line-height: .96;
  letter-spacing: -.02em;
  font-weight: 800;
  margin: 10px 0 0;
}

.page-products .xp-hero__mark {
  color: var(--ice);
  box-shadow: inset 0 -.16em 0 rgba(242, 107, 33, .55);
}

.page-products .xp-hero__lead {
  margin-top: 18px;
  max-width: 42ch;
  font-size: clamp(.98rem, 1.5vw, 1.08rem);
  line-height: 1.9;
}

.page-products .xp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .xp-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  list-style: none;
  margin: 28px 0 0;
  padding: 16px 0 0;
  border-top: 2px solid var(--ink);
  font-size: .86rem;
  letter-spacing: .02em;
}

.page-products .xp-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .xp-hero__num {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ice);
  line-height: 1;
}

.page-products .xp-hero__figure {
  margin: 0;
}

/* 框架：左栏 + 主区 */
.page-products .xp-shell {
  display: grid;
  gap: var(--xp-gap);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-products .xp-rail {
  align-self: start;
  border: 2px solid var(--ink);
  background: var(--fog);
  padding: 16px;
  box-shadow: 5px 5px 0 var(--ink);
}

.page-products .xp-rail .eyebrow {
  display: block;
  margin: 0 0 10px;
}

.page-products .xp-rail__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .xp-rail__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 11px;
  border: 2px solid var(--ink);
  background: var(--snow);
  font-family: var(--font-mono);
  font-size: .84rem;
}

.page-products .xp-rail__item.is-current {
  background: var(--ice);
  border-color: var(--deep);
  color: var(--snow);
}

.page-products .xp-rail__tag {
  font-family: var(--font-body);
  font-size: .68rem;
  letter-spacing: .04em;
  background: var(--signal);
  color: var(--ink);
  padding: 2px 7px;
}

.page-products .xp-rail__note {
  margin: 0 0 12px;
  font-size: .84rem;
  line-height: 1.75;
  color: rgba(16, 24, 32, .76);
}

.page-products .xp-rail__link {
  display: inline-block;
  font-size: .86rem;
  font-weight: 700;
  color: var(--ice);
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}

.page-products .xp-main {
  display: grid;
  gap: clamp(38px, 5.5vw, 62px);
  min-width: 0;
}

/* 区块通用 */
.page-products .xp-block {
  border-top: 3px solid var(--ink);
  padding-top: 20px;
  scroll-margin-top: 90px;
}

.page-products .xp-block .eyebrow {
  display: block;
  margin: 0;
  color: var(--ice);
}

.page-products .xp-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.6vw, 2.7rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  font-weight: 800;
  margin: 10px 0 0;
  text-wrap: balance;
}

.page-products .xp-text {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: .98rem;
  line-height: 1.9;
}

.page-products .xp-figure {
  margin: 26px 0 0;
}

/* 首屏三入口 */
.page-products .xp-entry {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-products .xp-entry__card {
  background: var(--snow);
  border: 2px solid var(--ink);
  border-left-width: 8px;
  padding: 16px 16px 18px;
}

.page-products .xp-entry__card--signal { border-left-color: var(--signal); }
.page-products .xp-entry__card--ice { border-left-color: var(--ice); }
.page-products .xp-entry__card--frost { border-left-color: var(--frost); }

.page-products .xp-entry__card h3 {
  font-family: var(--font-display);
  font-size: 1.24rem;
  margin: 12px 0 6px;
  letter-spacing: .01em;
}

.page-products .xp-entry__card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(16, 24, 32, .84);
}

/* 版本对照 */
.page-products .xp-compare {
  margin-top: 26px;
  border: 2px solid var(--ink);
  background: var(--snow);
  box-shadow: var(--shadow-hard);
}

.page-products .xp-compare__radio,
.page-products .xp-filter__radio,
.page-products .xp-step__check {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .xp-compare__switch {
  display: flex;
  border-bottom: 2px solid var(--ink);
}

.page-products .xp-compare__switch label {
  flex: 1 1 0;
  text-align: center;
  padding: 12px 8px;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .03em;
  background: var(--fog);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-products .xp-compare__switch label + label {
  border-left: 2px solid var(--ink);
}

.page-products #xp-cmp-side:checked ~ .xp-compare__switch label[for="xp-cmp-side"],
.page-products #xp-cmp-single:checked ~ .xp-compare__switch label[for="xp-cmp-single"] {
  background: var(--signal);
  color: var(--ink);
}

.page-products #xp-cmp-side:focus-visible ~ .xp-compare__switch label[for="xp-cmp-side"],
.page-products #xp-cmp-single:focus-visible ~ .xp-compare__switch label[for="xp-cmp-single"] {
  outline: 3px solid var(--ice);
  outline-offset: -4px;
}

.page-products .xp-compare__stage {
  display: grid;
  gap: 2px;
  background: var(--ink);
}

.page-products .xp-panel {
  background: var(--snow);
  padding: 16px;
}

.page-products .xp-panel--lite {
  background: #FBF9F4;
}

.page-products #xp-cmp-single:checked ~ .xp-compare__stage .xp-panel--lite {
  display: none;
}

.page-products .xp-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-products .xp-panel__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
}

.page-products .xp-panel__ver {
  font-family: var(--font-mono);
  font-size: .74rem;
  background: var(--deep);
  color: var(--snow);
  padding: 3px 8px;
}

.page-products .xp-panel__rows {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .xp-panel__rows li {
  display: grid;
  gap: 3px;
  padding-left: 10px;
  border-left: 3px solid transparent;
  font-size: .9rem;
  line-height: 1.65;
}

.page-products .xp-panel__rows span {
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--ice);
}

.page-products .xp-panel__rows b {
  font-weight: 500;
  color: var(--ink);
}

.page-products .xp-panel__rows li.is-diff {
  border-left-color: var(--signal);
  background: rgba(242, 107, 33, .12);
  padding: 7px 10px;
}

.page-products .xp-compare__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-top: 2px solid var(--ink);
  background: var(--fog);
}

.page-products .xp-compare__legend {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
  max-width: 46ch;
  font-size: .85rem;
  line-height: 1.7;
}

.page-products .xp-compare__dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 5px;
  background: var(--signal);
  border: 1px solid var(--ink);
}

/* 三维索引 */
.page-products .xp-index {
  margin-top: 26px;
  border: 2px solid var(--ink);
  background: var(--snow);
}

.page-products .xp-index__bar {
  display: grid;
  gap: 12px;
  padding: 14px;
  background: var(--fog);
  border-bottom: 2px solid var(--ink);
}

.page-products .xp-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .xp-filter__label {
  min-width: 52px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ice);
}

.page-products .xp-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 2px solid var(--ink);
  background: var(--snow);
  font-size: .82rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background 160ms var(--ease), box-shadow 160ms var(--ease), transform 160ms var(--ease);
}

.page-products .xp-chip:hover {
  background: var(--frost);
}

.page-products #xp-cat-all:checked ~ .xp-index__bar label[for="xp-cat-all"],
.page-products #xp-cat-entry:checked ~ .xp-index__bar label[for="xp-cat-entry"],
.page-products #xp-cat-ver:checked ~ .xp-index__bar label[for="xp-cat-ver"],
.page-products #xp-cat-arch:checked ~ .xp-index__bar label[for="xp-cat-arch"],
.page-products #xp-cat-upd:checked ~ .xp-index__bar label[for="xp-cat-upd"],
.page-products #xp-kw-all:checked ~ .xp-index__bar label[for="xp-kw-all"],
.page-products #xp-kw-panel:checked ~ .xp-index__bar label[for="xp-kw-panel"],
.page-products #xp-kw-entry:checked ~ .xp-index__bar label[for="xp-kw-entry"],
.page-products #xp-kw-mig:checked ~ .xp-index__bar label[for="xp-kw-mig"],
.page-products #xp-kw-upd:checked ~ .xp-index__bar label[for="xp-kw-upd"],
.page-products #xp-ver-all:checked ~ .xp-index__bar label[for="xp-ver-all"],
.page-products #xp-ver-46:checked ~ .xp-index__bar label[for="xp-ver-46"],
.page-products #xp-ver-45:checked ~ .xp-index__bar label[for="xp-ver-45"],
.page-products #xp-ver-44:checked ~ .xp-index__bar label[for="xp-ver-44"] {
  background: var(--signal);
  box-shadow: 3px 3px 0 var(--ink);
  transform: translate(-1px, -1px);
}

.page-products .xp-filter__radio:focus-visible + .xp-chip {
  outline: 3px solid var(--ice);
  outline-offset: 2px;
}

.page-products .xp-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .xp-index__row {
  display: grid;
  gap: 3px 14px;
  padding: 13px 16px;
  border-bottom: var(--xp-line-soft);
}

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

.page-products .xp-index__code {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--ice);
}

.page-products .xp-index__name {
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.55;
}

.page-products .xp-index__meta {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: rgba(16, 24, 32, .6);
}

.page-products:has(#xp-cat-entry:checked) .xp-index__row:not([data-cat="entry"]),
.page-products:has(#xp-cat-ver:checked) .xp-index__row:not([data-cat="ver"]),
.page-products:has(#xp-cat-arch:checked) .xp-index__row:not([data-cat="arch"]),
.page-products:has(#xp-cat-upd:checked) .xp-index__row:not([data-cat="upd"]),
.page-products:has(#xp-kw-panel:checked) .xp-index__row:not([data-kw~="panel"]),
.page-products:has(#xp-kw-entry:checked) .xp-index__row:not([data-kw~="entry"]),
.page-products:has(#xp-kw-mig:checked) .xp-index__row:not([data-kw~="mig"]),
.page-products:has(#xp-kw-upd:checked) .xp-index__row:not([data-kw~="update"]),
.page-products:has(#xp-ver-46:checked) .xp-index__row:not([data-ver="46"]),
.page-products:has(#xp-ver-45:checked) .xp-index__row:not([data-ver="45"]),
.page-products:has(#xp-ver-44:checked) .xp-index__row:not([data-ver="44"]) {
  display: none;
}

/* 四步轨道 */
.page-products .xp-track {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-products .xp-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 26px;
}

.page-products .xp-step:last-child {
  padding-bottom: 6px;
}

.page-products .xp-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 2px;
  width: 2px;
  background: var(--ink);
  opacity: .22;
}

.page-products .xp-step__dot {
  grid-column: 1;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  background: var(--snow);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .xp-step__check:checked + .xp-step__dot {
  background: var(--pine);
  border-color: var(--pine);
  color: var(--snow);
}

.page-products .xp-step__check:focus-visible + .xp-step__dot {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

.page-products .xp-step__body {
  grid-column: 2;
  min-width: 0;
}

.page-products .xp-step__body h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  margin: 8px 0 6px;
  letter-spacing: .01em;
}

.page-products .xp-step:has(.xp-step__check:checked) .xp-step__body h3 {
  color: var(--pine);
}

.page-products .xp-step__body p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.82;
  color: rgba(16, 24, 32, .84);
}

.page-products .xp-track__hint {
  margin: 6px 0 0;
  padding: 12px 14px;
  background: var(--fog);
  border-left: 5px solid var(--ice);
  font-size: .87rem;
  line-height: 1.75;
}

/* 常用场景 */
.page-products .xp-scenes__grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-products .xp-scene {
  padding: 16px 16px 18px;
  background: var(--snow);
  border: 2px solid var(--ink);
  border-bottom-width: 6px;
}

.page-products .xp-scene__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  background: var(--deep);
  color: var(--snow);
  padding: 3px 8px;
}

.page-products .xp-scene h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 12px 0 6px;
  letter-spacing: .01em;
}

.page-products .xp-scene p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(16, 24, 32, .84);
}

.page-products .xp-scenes__figure {
  margin-top: 20px;
}

/* 合作流程 */
.page-products .xp-coop {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .xp-coop li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 2px solid var(--fog);
}

.page-products .xp-coop li:first-child {
  border-top: 2px solid var(--fog);
}

.page-products .xp-coop__idx {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ice);
  line-height: 1.5;
}

.page-products .xp-coop li h3 {
  font-family: var(--font-display);
  font-size: 1.16rem;
  margin: 0 0 5px;
}

.page-products .xp-coop li p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(16, 24, 32, .84);
}

.page-products .xp-coop__cta {
  margin-top: 24px;
}

/* 收尾 */
.page-products .xp-tail {
  padding: 26px 20px 28px;
  background: var(--deep);
  color: var(--snow);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products .xp-tail h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  line-height: 1.2;
  margin: 0 0 10px;
}

.page-products .xp-tail p {
  margin: 0 0 20px;
  max-width: 54ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--frost);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-products .xp-entry {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .xp-index__row {
    grid-template-columns: 62px minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 720px) {
  .page-products #xp-cmp-side:checked ~ .xp-compare__stage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .xp-panel {
    padding: 18px 20px;
  }
}

@media (min-width: 880px) {
  .page-products .xp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .page-products .xp-shell {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-products .xp-rail {
    position: sticky;
    top: 28px;
  }

  .page-products .xp-filter__label {
    min-width: 58px;
  }

  .page-products .xp-coop {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-products .xp-coop li:nth-child(1) {
    border-top: 2px solid var(--fog);
  }

  .page-products .xp-coop li:nth-child(2) {
    border-top: 2px solid var(--fog);
  }
}

@media (min-width: 1080px) {
  .page-products .xp-hero__title {
    font-size: clamp(4rem, 6.4vw, 6.4rem);
  }

  .page-products .xp-entry__card {
    padding: 20px 20px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .xp-chip,
  .page-products .xp-compare__switch label,
  .page-products .xp-step__dot {
    transition: none;
  }

  .page-products .xp-chip {
    transform: none;
  }
}
<<<END>>>