.page-products {
  background: var(--c-abyss);
  color: var(--c-mist);
  font-family: var(--font-body);
  --pp-gap: clamp(16px, 2.2vw, 30px);
  --pp-line: var(--line);
  --pp-line-soft: var(--line-soft);
  --pp-h2: clamp(1.45rem, 2.6vw, 2.15rem);
}

/* ---------- Hero ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 34px) 0 clamp(44px, 6vw, 92px);
}
.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.4;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(circle at 88% 4%, #000 0%, transparent 68%);
  mask-image: radial-gradient(circle at 88% 4%, #000 0%, transparent 68%);
}
.page-products .pp-hero .container {
  position: relative;
  z-index: 1;
}
.page-products .breadcrumbs {
  margin-bottom: clamp(28px, 4vw, 52px);
}
.page-products .pp-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
}
.page-products .pp-hero-lead {
  min-width: 0;
}
.page-products .pp-hero-lead h1 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  color: var(--c-paper);
  margin: 14px 0 20px;
}
.page-products .pp-lead {
  font-size: clamp(16px, 1.3vw, 17px);
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 34em;
  margin: 0 0 30px;
}

.page-products .pp-jump-wrap {
  border-top: 1px solid var(--pp-line);
  padding-top: 12px;
}
.page-products .pp-jump-label {
  color: var(--c-sand);
  margin: 0 0 4px;
  letter-spacing: 0.18em;
}
.page-products .pp-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-products .pp-jump li {
  border-bottom: 1px solid var(--pp-line-soft);
}
.page-products .pp-jump a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  color: var(--c-mist);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.22s var(--ease), padding-left 0.22s var(--ease);
}
.page-products .pp-jump a:hover,
.page-products .pp-jump a:focus-visible {
  color: var(--c-orange);
  padding-left: 6px;
}
.page-products .pp-jump a .meta-mono {
  color: var(--c-sand);
  flex: none;
}

/* ---------- 版本卡 ---------- */
.page-products .pp-versions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  min-width: 0;
}
.page-products .pp-vcard {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--c-panel);
  border: 1px solid var(--pp-line);
  padding: clamp(16px, 2vw, 24px);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}
.page-products .pp-vcard:hover {
  transform: translateY(-2px);
}
.page-products .pp-vcard--pick {
  border-color: rgba(255, 106, 42, 0.5);
  box-shadow: inset 0 2px 0 var(--c-orange);
}
.page-products .pp-vcard:target {
  border-color: var(--c-orange);
  box-shadow: inset 0 2px 0 var(--c-orange);
}
.page-products .pp-vhead {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-products .pp-vtag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  padding: 4px 9px;
  background: var(--c-orange);
  color: #08131F;
}
.page-products .pp-vtag--soft {
  background: transparent;
  border: 1px solid var(--c-steel);
  color: var(--c-mist);
}
.page-products .pp-vname {
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.page-products .pp-vnum {
  color: var(--c-sand);
  font-size: 12px;
}
.page-products .pp-vcard .media-frame {
  width: 100%;
}
.page-products .pp-vfor {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-paper);
}
.page-products .pp-vlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-products .pp-vlist li {
  padding: 9px 0;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mist);
}
.page-products .pp-vlist strong {
  color: var(--c-paper);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 通用区块标题 ---------- */
.page-products .pp-shead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 26px;
  border-bottom: 1px solid var(--pp-line);
  padding-bottom: 16px;
  margin-bottom: clamp(24px, 3vw, 40px);
}
.page-products .pp-shead h2 {
  font-family: var(--font-head);
  font-size: var(--pp-h2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--c-paper);
  margin: 0;
  max-width: 30em;
}
.page-products .pp-shead-meta {
  color: var(--c-sand);
  letter-spacing: 0.14em;
  margin: 0;
  flex: none;
}
.page-products .pp-shead--paper {
  --pp-line: var(--line-paper);
  border-bottom-color: var(--line-paper);
}
.page-products .pp-shead--paper h2 {
  color: var(--c-ink);
}
.page-products .pp-shead--paper .pp-shead-meta {
  color: #8a6a2c;
}

/* ---------- 对照矩阵 ---------- */
.page-products .pp-matrix-sec {
  background: var(--c-panel);
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  padding: clamp(40px, 5vw, 84px) 0;
}
.page-products .pp-matrix-wrap {
  overflow-x: auto;
  background: var(--c-abyss);
  border: 1px solid var(--pp-line);
  -webkit-overflow-scrolling: touch;
}
.page-products .pp-matrix-wrap:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}
.page-products .pp-matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-products .pp-matrix th,
.page-products .pp-matrix td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--pp-line-soft);
  vertical-align: top;
  line-height: 1.6;
}
.page-products .pp-matrix thead th {
  background: var(--c-void);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--c-sand);
  white-space: nowrap;
}
.page-products .pp-matrix thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 128px;
}
.page-products .pp-matrix thead th.pp-th-pick {
  color: var(--c-orange);
  box-shadow: inset 0 -2px 0 var(--c-orange);
}
.page-products .pp-matrix tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--c-panel);
  color: var(--c-paper);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  box-shadow: 1px 0 0 var(--pp-line);
}
.page-products .pp-matrix tbody td {
  color: var(--c-mist);
}
.page-products .pp-matrix tbody td.pp-td-pick {
  color: var(--c-paper);
  background: rgba(255, 106, 42, 0.07);
}
.page-products .pp-matrix tbody tr:last-child th,
.page-products .pp-matrix tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 导出流程（纸本） ---------- */
.page-products .pp-flow {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: clamp(40px, 5vw, 88px) 0;
  --pp-line: var(--line-paper);
  --pp-line-soft: rgba(20, 33, 46, 0.09);
}
.page-products .pp-flow-intro {
  margin: 0 0 clamp(24px, 3vw, 36px);
  max-width: 40em;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: rgba(20, 33, 46, 0.82);
}
.page-products .pp-flow-figure {
  margin: 0 0 clamp(28px, 3.5vw, 44px);
}
.page-products .pp-flow-figure .media-frame {
  border-color: var(--line-paper);
}
.page-products .pp-flow figure .media-caption {
  color: rgba(20, 33, 46, 0.6);
}
.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.page-products .pp-step {
  border-top: 2px solid rgba(255, 106, 42, 0.4);
  min-width: 0;
}
.page-products .pp-step details {
  height: 100%;
}
.page-products .pp-step summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0 10px;
  display: block;
}
.page-products .pp-step summary::-webkit-details-marker {
  display: none;
}
.page-products .pp-step summary::marker {
  content: "";
}
.page-products .pp-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #c4491a;
  margin-bottom: 10px;
}
.page-products .pp-step-title {
  display: block;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.page-products .pp-step-hint {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(20, 33, 46, 0.55);
}
.page-products .pp-step details[open] .pp-step-hint {
  color: #c4491a;
}
.page-products .pp-step-body {
  padding-bottom: 16px;
}
.page-products .pp-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(20, 33, 46, 0.8);
}

/* ---------- 常见卡顿折叠 ---------- */
.page-products .pp-mini {
  margin-top: clamp(32px, 4vw, 56px);
  border-top: 1px solid var(--pp-line);
  padding-top: 24px;
}
.page-products .pp-mini h3 {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 800;
  color: var(--c-ink);
  margin: 0 0 8px;
}
.page-products .pp-mini details {
  border-bottom: 1px solid var(--pp-line-soft);
}
.page-products .pp-mini summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
}
.page-products .pp-mini summary::-webkit-details-marker {
  display: none;
}
.page-products .pp-mini summary::marker {
  content: "";
}
.page-products .pp-mini summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: #c4491a;
  flex: none;
}
.page-products .pp-mini details[open] summary::after {
  content: "－";
}
.page-products .pp-mini summary .meta-mono {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(20, 33, 46, 0.45);
  font-weight: 500;
}
.page-products .pp-mini-body {
  padding: 0 0 16px;
  max-width: 60ch;
}
.page-products .pp-mini-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(20, 33, 46, 0.78);
}

/* ---------- 设备要求 ---------- */
.page-products .pp-spec {
  padding: clamp(40px, 5vw, 88px) 0;
  background: var(--c-abyss);
}
.page-products .pp-spec-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.5vw, 52px);
  align-items: start;
}
.page-products .pp-spec-figure {
  margin: 0;
}
.page-products .pp-spec-list {
  display: grid;
  margin: 0;
}
.page-products .pp-spec-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-spec-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-sand);
}
.page-products .pp-spec-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 资料中心 ---------- */
.page-products .pp-library {
  position: relative;
  background: var(--c-panel);
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  padding: clamp(40px, 5vw, 84px) 0;
}
.page-products .pp-library-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.5vw, 48px);
  margin-bottom: clamp(32px, 4vw, 56px);
}
.page-products .pp-library-main {
  min-width: 0;
  display: grid;
  gap: 20px;
}
.page-products .pp-library-figure {
  margin: 0;
}
.page-products .pp-checksum {
  border: 1px solid var(--pp-line);
  background: var(--c-abyss);
  padding: 16px 18px 18px;
}
.page-products .pp-checksum-title {
  margin: 0 0 10px;
  color: var(--c-sand);
  letter-spacing: 0.16em;
  font-size: 11px;
}
.page-products .pp-checksum-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 10px 0;
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-checksum-name {
  color: var(--c-paper);
  font-size: 12px;
}
.page-products .pp-checksum-size {
  font-size: 13px;
  color: var(--c-mist);
  font-family: var(--font-mono);
}
.page-products .pp-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-celadon);
}
.page-products .pp-status::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-celadon);
  flex: none;
}
.page-products .pp-checksum-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}
.page-products .pp-library-side {
  min-width: 0;
}
.page-products .pp-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-products .pp-cat-list li {
  padding: 16px 0;
  border-top: 1px solid var(--pp-line-soft);
}
.page-products .pp-cat-list li:first-child {
  border-top: none;
  padding-top: 0;
}
.page-products .pp-cat-list h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-paper);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.page-products .pp-cat-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}
.page-products .pp-library-more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}
.page-products .pp-library-more a,
.page-products .pp-doc-link {
  color: var(--c-orange);
}

/* ---------- 资料筛选 ---------- */
.page-products .pp-finput {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.page-products .pp-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-products .pp-fbtn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 8px 14px;
  border: 1px solid var(--pp-line);
  color: var(--c-mist);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.page-products .pp-fbtn:hover {
  border-color: var(--c-orange);
  color: var(--c-orange);
}
.page-products #pf-all:checked ~ .pp-filterbar label[for="pf-all"],
.page-products #pf-std:checked ~ .pp-filterbar label[for="pf-std"],
.page-products #pf-lt:checked ~ .pp-filterbar label[for="pf-lt"] {
  border-color: var(--c-orange);
  color: var(--c-orange);
  background: rgba(255, 106, 42, 0.1);
}
.page-products .pp-docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line);
}
.page-products .pp-doc {
  background: var(--c-panel);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  transition: background-color 0.22s var(--ease);
}
.page-products .pp-doc:hover {
  background: #10283c;
}
.page-products .pp-doc-tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-sand);
}
.page-products .pp-doc h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: 0;
}
.page-products .pp-doc p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}
.page-products .pp-doc-link {
  margin-top: auto;
  font-size: 13px;
  padding-top: 8px;
}
.page-products #pf-std:checked ~ .pp-docs > .pp-doc:not(.is-std) {
  display: none;
}
.page-products #pf-lt:checked ~ .pp-docs > .pp-doc:not(.is-lt) {
  display: none;
}

/* ---------- 选择建议（纸本） ---------- */
.page-products .pp-choose {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: clamp(40px, 5vw, 88px) 0;
  --pp-line: var(--line-paper);
  --pp-line-soft: rgba(20, 33, 46, 0.09);
}
.page-products .pp-choose-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}
.page-products .pp-choose-item {
  border-top: 3px solid var(--c-ink);
  padding-top: 18px;
  min-width: 0;
}
.page-products .pp-pick {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #c4491a;
}
.page-products .pp-choose-item h3 {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin: 0 0 10px;
}
.page-products .pp-choose-item p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(20, 33, 46, 0.8);
}
.page-products .pp-choose-to {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-ink);
  font-weight: 700;
  margin: 0;
}
.page-products .pp-choose-foot {
  margin-top: clamp(28px, 3.5vw, 44px);
  border-top: 1px solid var(--pp-line);
  padding-top: 20px;
}
.page-products .pp-choose-foot p {
  margin: 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(20, 33, 46, 0.82);
}
.page-products .pp-choose-foot a {
  color: #c4491a;
}

/* ---------- 结尾 ---------- */
.page-products .pp-cta {
  background: var(--c-void);
  padding: clamp(40px, 5vw, 80px) 0 clamp(28px, 3vw, 40px);
  border-top: 1px solid var(--pp-line);
}
.page-products .pp-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: end;
}
.page-products .pp-cta-text h2 {
  font-family: var(--font-head);
  font-size: var(--pp-h2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--c-paper);
  margin: 0 0 12px;
}
.page-products .pp-cta-text p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}
.page-products .pp-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .pp-updated {
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-sand);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-products .pp-spec-list > div {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 8px 22px;
  }
  .page-products .pp-spec-list dt {
    padding-top: 3px;
  }
}

@media (min-width: 700px) {
  .page-products .pp-versions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-docs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pp-choose-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pp-spec-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 60px);
  }
  .page-products .pp-library-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-products .pp-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .page-products .pp-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 clamp(18px, 2.4vw, 34px);
  }
  .page-products .pp-choose-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 4.2fr) minmax(0, 7.8fr);
    gap: clamp(36px, 4.5vw, 64px);
  }
  .page-products .pp-hero-lead {
    position: sticky;
    top: 32px;
  }
}

@media (min-width: 1040px) {
  .page-products .pp-docs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-vcard,
  .page-products .pp-jump a,
  .page-products .pp-fbtn,
  .page-products .pp-doc {
    transition: none;
  }
  .page-products .pp-vcard:hover {
    transform: none;
  }
}
<<<END>>>