.page-products {
  --pp-line: rgba(51, 80, 122, 0.55);
  position: relative;
  background: var(--ink-900);
  color: var(--paper-100);
  overflow-x: hidden;
}

.page-products__noise {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(244, 237, 224, 0.035) 0 1px,
    transparent 1px 5px
  );
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
}

.page-products > *:not(.page-products__noise) {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-products__hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-block: 24px 52px;
}

.page-products__hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-products__hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, 72px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-products__hero .lede {
  margin: 0;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 237, 224, 0.8);
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 10px 0 0;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products__facts > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  background: var(--ink-800);
}

.page-products__facts dt {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--slate-400);
}

.page-products__facts dd {
  margin: 0;
  font-size: 18px;
  color: var(--gold-400);
}

.page-products__hero-visual {
  padding: 20px;
  border: 1px solid var(--pp-line);
  background: linear-gradient(160deg, #121C2E 0%, #0B1220 100%);
  box-shadow: 4px 4px 0 rgba(11, 18, 32, 0.9), 8px 8px 0 rgba(51, 80, 122, 0.32);
  min-width: 0;
}

.page-products__schematic {
  display: block;
  width: 100%;
  height: auto;
}

.sch-frame { fill: none; stroke: var(--line-600); stroke-width: 1.2; }
.sch-line { stroke: var(--line-600); stroke-width: 1; }
.sch-block { fill: rgba(137, 150, 172, 0.2); }
.sch-card { fill: rgba(137, 150, 172, 0.08); stroke: var(--line-600); stroke-width: 1; }
.sch-hot { fill: rgba(215, 164, 69, 0.14); stroke: var(--gold-400); stroke-width: 1.4; }
.sch-path { fill: none; stroke: var(--celadon-400); stroke-width: 1.6; }
.sch-dot { fill: var(--celadon-400); }
.sch-text {
  fill: var(--gold-400);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.page-products__hero-caption {
  margin: 14px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--gold-400);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* ---------- 正文骨架 ---------- */
.page-products__body {
  padding-bottom: 72px;
}

.page-products__rail {
  display: none;
}

.page-products__section {
  padding-block: 44px;
  border-top: 1px solid var(--pp-line);
}

.page-products__section:first-child {
  padding-top: 8px;
  border-top: 0;
}

.page-products__section--last {
  padding-bottom: 12px;
}

.page-products__section .section-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 14px;
}

.page-products__section .section-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-400);
}

.page-products__section .section-title h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.005em;
}

.page-products__lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 237, 224, 0.78);
}

/* ---------- Bento 能力区 ---------- */
.page-products__bento.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products__cell {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 22px 20px;
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
}

.page-products__cell--paper {
  position: relative;
  border-color: rgba(20, 26, 38, 0.85);
  background: var(--paper-100);
  color: var(--paper-ink);
  box-shadow: 4px 4px 0 rgba(11, 18, 32, 0.85);
}

.page-products__cell--paper::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: var(--ink-900);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-products__cell-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--paper-100);
}

.page-products__cell--paper .page-products__cell-title {
  color: var(--paper-ink);
}

.page-products__cell p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.76);
}

.page-products__cell--paper p {
  color: #3A4356;
}

.page-products__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 237, 224, 0.82);
}

.page-products__list--tight {
  gap: 7px;
  font-size: 14px;
}

.page-products__list li {
  position: relative;
  padding-left: 16px;
}

.page-products__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.page-products__list strong {
  font-family: var(--font-mono);
  font-size: 0.92em;
  letter-spacing: 0.02em;
  color: var(--gold-400);
  font-weight: 500;
}

.page-products__cell--paper .page-products__list {
  color: #2A3346;
}

.page-products__cell--paper .page-products__list strong {
  color: #8A5A12;
}

.page-products__figure {
  margin: 0;
}

.page-products__cell--full {
  grid-column: 1 / -1;
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--ink-700);
  overflow: hidden;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: brightness(0.72) saturate(0.86);
}

.page-products .media-frame__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--pp-line);
  background: var(--ink-800);
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--slate-400);
}

/* ---------- 左右分屏 ---------- */
.page-products__split {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
}

.page-products__split-rule {
  display: none;
  background: var(--line-600);
}

.page-products__split-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  padding: 24px 20px;
  transition: background var(--dur) var(--ease);
}

.page-products__split-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  color: var(--paper-100);
}

.page-products__split-res {
  font-size: 13px;
  color: var(--slate-400);
}

.page-products__split-side h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--paper-100);
}

.page-products__split-side--legacy {
  border-left: 3px solid var(--clay-500);
}

.page-products__split-side--current {
  border-left: 3px solid var(--celadon-400);
}

.page-products__inline-link {
  color: var(--gold-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 规格带 ---------- */
.page-products__band {
  margin-block: 8px;
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  background: linear-gradient(90deg, rgba(27, 41, 64, 0.92), rgba(11, 18, 32, 0.6));
}

.page-products__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line);
}

.page-products__specs li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-height: 76px;
  padding: 14px 16px;
  background: var(--ink-900);
}

.page-products__spec-key {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--slate-400);
}

.page-products__spec-val {
  font-size: 16px;
  line-height: 1.4;
  color: var(--gold-400);
}

/* ---------- 三步走 ---------- */
.page-products__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--pp-line);
  background: var(--pp-line);
}

.page-products__step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 22px 20px;
  background: var(--ink-800);
}

.page-products__step-num {
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--gold-400);
}

.page-products__step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--paper-100);
}

.page-products__step p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 237, 224, 0.76);
}

/* ---------- 导出表与字段 ---------- */
.page-products__table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(20, 26, 38, 0.85);
  background: var(--paper-100);
  box-shadow: 4px 4px 0 rgba(11, 18, 32, 0.8);
}

.page-products__table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--paper-ink);
}

.page-products__table th,
.page-products__table td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(20, 26, 38, 0.16);
  text-align: left;
  vertical-align: top;
  line-height: 1.68;
}

.page-products__table thead th {
  background: var(--ink-700);
  color: var(--paper-100);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-products__table tbody th {
  width: 22%;
  font-size: 14px;
  font-weight: 600;
  color: #6B4A10;
}

.page-products__table tbody tr:nth-child(even) td,
.page-products__table tbody tr:nth-child(even) th {
  background: var(--paper-200);
}

.page-products__table-caption {
  caption-side: top;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(20, 26, 38, 0.14);
  background: var(--paper-100);
  text-align: left;
  font-family: var(--font-body);
  font-size: 13px;
  color: #5A6478;
}

.page-products__fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
}

.page-products__fields-label {
  flex: 1 0 100%;
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--slate-400);
}

.page-products__fields .code-path {
  flex: 1 1 260px;
  min-width: 0;
  overflow-x: auto;
  padding: 10px 12px;
  border: 1px solid var(--pp-line);
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--gold-400);
  white-space: nowrap;
}

.page-products .annotation {
  margin: 16px 0 24px;
  padding: 12px 14px;
  border-left: 3px solid var(--gold-400);
  background: var(--ink-800);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 版本号语义 ---------- */
.page-products__segments {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.page-products__segment {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 20px 18px;
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
}

.page-products__segment-num {
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-400);
}

.page-products__segment h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--paper-100);
}

.page-products__segment p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 237, 224, 0.76);
}

.page-products__timeline.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--pp-line);
  background: var(--pp-line);
}

.page-products__timeline .timeline__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 18px 14px 16px;
  background: var(--ink-900);
}

.page-products__timeline .timeline__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--line-600);
}

.page-products__timeline .timeline__step--legacy::before {
  background: var(--clay-500);
}

.page-products__timeline .timeline__step--current::before {
  background: var(--gold-400);
}

.page-products__timeline .timeline__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-products__timeline .timeline__value {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper-100);
}

.page-products__timeline .timeline__step--current .timeline__value {
  color: var(--gold-400);
}

/* ---------- 折叠面板 ---------- */
.page-products__disclosures {
  display: grid;
  gap: 10px;
}

.page-products__disclosures .disclosure {
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
}

.page-products__disclosures .disclosure summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--paper-100);
}

.page-products__disclosures .disclosure summary::-webkit-details-marker {
  display: none;
}

.page-products__disclosures .disclosure summary::before {
  content: "+";
  width: 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold-400);
}

.page-products__disclosures .disclosure[open] summary::before {
  content: "–";
}

.page-products__disclosures .disclosure summary:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-products__disclosures .disclosure__body {
  padding: 0 18px 18px 42px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.78);
}

.page-products__disclosures .disclosure__body p {
  margin: 0;
}

/* ---------- 去向卡片 ---------- */
.page-products__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products__link-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  border: 1px solid rgba(20, 26, 38, 0.85);
  background: var(--paper-100);
  color: var(--paper-ink);
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(11, 18, 32, 0.8);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products__link-card:hover,
.page-products__link-card:focus-visible {
  transform: translateY(-2px);
  border-color: #B07E23;
  box-shadow: 4px 7px 0 rgba(11, 18, 32, 0.9);
}

.page-products__link-card:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-products__link-tag {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #8A5A12;
}

.page-products__link-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--paper-ink);
}

.page-products__link-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: #3A4356;
}

.page-products__link-card .btn__arrow {
  align-self: flex-end;
  margin-top: auto;
  font-family: var(--font-mono);
  color: #8A5A12;
  transition: transform var(--dur) var(--ease);
}

.page-products__link-card:hover .btn__arrow {
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-products__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-products__bento.bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products__cell--focus,
  .page-products__cell--half {
    grid-column: span 2;
  }
  .page-products__cell--tall {
    grid-column: span 2;
  }
  .page-products__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products__specs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products__timeline.timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-products__segments {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products__split {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
  }
  .page-products__split-rule {
    display: block;
  }
  .page-products__split-side {
    padding: 28px 26px;
  }
  .page-products__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products__hero {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
    padding-block: 32px 64px;
  }
  .page-products__hero-visual {
    margin-top: 26px;
  }
}

@media (min-width: 1024px) {
  .page-products__rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
  .page-products__rail .toc {
    padding-left: 16px;
    border-left: 1px solid var(--pp-line);
  }
  .page-products__rail .toc__title {
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--slate-400);
  }
  .page-products__rail .toc-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .page-products__rail .toc-link {
    display: block;
    padding: 7px 8px;
    border-left: 2px solid transparent;
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    color: rgba(244, 237, 224, 0.68);
    text-decoration: none;
    transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
  .page-products__rail .toc-link:hover,
  .page-products__rail .toc-link:focus-visible {
    color: var(--paper-100);
    background: rgba(51, 80, 122, 0.28);
    border-left-color: var(--gold-400);
  }
  .page-products__rail .toc-link:focus-visible {
    outline: 2px solid var(--gold-400);
    outline-offset: 2px;
  }
  .page-products__rail .toc-link[aria-current="true"] {
    color: var(--gold-400);
    border-left-color: var(--gold-400);
  }
}

@media (min-width: 1080px) {
  .page-products__bento.bento {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products__cell--focus {
    grid-column: span 2;
    grid-row: span 1;
  }
  .page-products__cell--tall {
    grid-column: span 1;
    grid-row: span 2;
  }
  .page-products__cell--half {
    grid-column: span 2;
  }
  .page-products__cell--full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1280px) {
  .page-products__specs li {
    min-height: 88px;
  }
}

@media (hover: hover) {
  .page-products__split-side:hover {
    background: rgba(215, 164, 69, 0.07);
  }
  .page-products__cell--paper:hover {
    border-color: var(--gold-400);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products__link-card,
  .page-products__link-card .btn__arrow,
  .page-products__split-side,
  .page-products__rail .toc-link {
    transition: none;
  }
  .page-products__link-card:hover,
  .page-products__link-card:focus-visible {
    transform: none;
  }
}
<<<END>>>