.page-products {
  --pp-figure-gap: 18px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: 34px 0 30px;
}

.page-products .pp-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 38px;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
}

.page-products .pp-hero .lede {
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 26px;
}

.page-products .pp-stat {
  background: var(--ink);
  padding: 14px 16px;
}

.page-products .pp-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--flame);
  line-height: 1.2;
}

.page-products .pp-stat span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 章节外壳 ---------- */
.page-products .pp-block {
  padding: 38px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 38px;
}

.page-products .pp-head {
  margin-bottom: 22px;
}

.page-products .pp-head .lede {
  max-width: 66ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-top: 10px;
}

.page-products .section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* ---------- 关系图 ---------- */
.page-products .map-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0 10px;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, rgba(58, 74, 66, 0.18) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(58, 74, 66, 0.18) 0 1px, transparent 1px 46px),
    var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .mod-map {
  display: block;
  width: 760px;
  max-width: none;
  height: auto;
}

.page-products .map-line {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .map-line--dash {
  stroke-dasharray: 5 7;
}

.page-products .map-node rect {
  fill: var(--ink);
  stroke: var(--line);
  stroke-width: 1;
  transition: stroke 0.18s var(--ease), fill 0.18s var(--ease);
}

.page-products .map-node:hover rect,
.page-products .map-node:focus-visible rect {
  stroke: var(--flame);
  fill: var(--raise);
}

.page-products .map-node:focus-visible {
  outline: none;
}

.page-products .map-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  fill: var(--flame);
}

.page-products .map-label {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.01em;
  fill: var(--text);
}

.page-products .map-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-products .pp-figure {
  margin: 22px 0 0;
}

.page-products .pp-figure .media-frame {
  border: 1px solid var(--line);
}

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

.page-products .media-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 模块块 ---------- */
.page-products .mod {
  scroll-margin-top: 84px;
}

.page-products .mod-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 20px;
  padding-left: 12px;
  border-left: 2px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-products .mod:target .mod-head {
  border-left-color: var(--flame);
}

.page-products .mod-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--flame);
  padding-top: 7px;
}

.page-products .mod-head .lede {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 64ch;
}

.page-products .mod-body {
  display: grid;
  gap: 24px;
}

.page-products .mod-visual .media-frame {
  border: 1px solid var(--line);
}

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

/* ---------- 字段表 ---------- */
.page-products .pp-fields {
  display: grid;
  grid-template-columns: minmax(84px, 0.78fr) minmax(0, 1.6fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-fields dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue-soft);
  padding: 12px 12px 12px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.5;
}

.page-products .pp-fields dd {
  margin: 0;
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-sub {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 22px 0 12px;
  color: var(--text);
}

.page-products .pp-sub:first-child {
  margin-top: 0;
}

/* ---------- 折叠注记 ---------- */
.page-products .pp-note {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pp-note summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

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

.page-products .pp-note summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--flame);
  line-height: 1;
}

.page-products .pp-note[open] summary::after {
  content: "−";
}

.page-products .pp-note[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-products .pp-note ul {
  margin: 0;
  padding: 14px 16px 16px 30px;
  list-style: none;
}

.page-products .pp-note li {
  position: relative;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 4px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 9px;
  margin-bottom: 9px;
}

.page-products .pp-note li:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-products .pp-note li::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--blue);
}

/* ---------- 要点列表 ---------- */
.page-products .pp-points {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-points li {
  position: relative;
  padding: 11px 0 11px 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

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

.page-products .pp-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 1px;
  background: var(--flame);
}

.page-products .pp-points strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 提示块 ---------- */
.page-products .pp-tip {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px;
}

.page-products .pp-tip h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-products .pp-tip p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin-bottom: 16px;
}

/* ---------- 三步结构 ---------- */
.page-products .pp-parts {
  list-style: none;
  counter-reset: part;
  margin: 0;
  padding: 0;
}

.page-products .pp-parts li {
  counter-increment: part;
  position: relative;
  padding: 14px 0 14px 42px;
  border-bottom: 1px solid var(--line);
}

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

.page-products .pp-parts li::before {
  content: counter(part, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue-soft);
  border: 1px solid var(--line);
  padding: 2px 6px;
}

.page-products .pp-parts h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.page-products .pp-parts p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 筛选标签 ---------- */
.page-products .pp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}

.page-products .pp-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--panel);
}

.page-products .pp-tab--on {
  border-color: var(--flame);
  color: var(--flame);
  background: var(--raise);
}

/* ---------- 版本卡片 ---------- */
.page-products .pp-cards {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-products .pp-card {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-products .pp-card[open] {
  border-color: var(--blue);
}

.page-products .pp-card summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-card .vno {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--blue-soft);
}

.page-products .pp-card .vname {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
}

.page-products .pp-card .vtag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  color: var(--blue);
}

.page-products .pp-card .vbody {
  padding: 14px 16px 16px;
  border-top: 1px dashed var(--line);
}

.page-products .pp-card .vbody p {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .mini-fields {
  display: grid;
  grid-template-columns: minmax(72px, 0.6fr) minmax(0, 1.6fr);
  margin: 0;
  gap: 0;
}

.page-products .mini-fields dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--blue-soft);
  padding: 7px 10px 7px 0;
  border-bottom: 1px dashed var(--line);
  line-height: 1.5;
}

.page-products .mini-fields dd {
  margin: 0;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}

.page-products .mini-fields dt:last-of-type,
.page-products .mini-fields dd:last-of-type {
  border-bottom: 0;
}

.page-products .pp-footline {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pp-footline a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 209, 255, 0.45);
}

.page-products .pp-footline a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

/* ---------- 使用场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  gap: 16px;
}

.page-products .pp-scene {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px 18px 18px 22px;
}

.page-products .pp-scene::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--flame);
}

.page-products .pp-scene h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-products .pp-scene > p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-steps {
  list-style: none;
  counter-reset: st;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .pp-steps li {
  counter-increment: st;
  position: relative;
  padding-left: 30px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 11px;
}

.page-products .pp-steps li:last-child {
  margin-bottom: 0;
}

.page-products .pp-steps li::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--blue-soft);
  border: 1px solid var(--line);
  padding: 1px 4px;
}

/* ---------- 可读性 ---------- */
.page-products .pp-access {
  display: grid;
  gap: 20px;
}

.page-products .pp-access-col {
  border-top: 2px solid var(--flame);
  padding-top: 4px;
}

.page-products .pp-access-col:last-child {
  border-top-color: var(--blue);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  margin-top: 30px;
  padding: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--blue-panel) 0%, var(--ink) 62%);
}

.page-products .pp-cta p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  max-width: 58ch;
}

.page-products .pp-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero h1 {
    font-size: 46px;
  }

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

  .page-products .section-title {
    font-size: 28px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding: 52px 0 40px;
  }

  .page-products .pp-hero h1 {
    font-size: 56px;
  }

  .page-products .pp-hero .lede {
    font-size: 16px;
  }

  .page-products .pp-block {
    padding-top: 48px;
    margin-top: 48px;
  }

  .page-products .mod-body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .mod-body .mod-detail:only-child {
    grid-column: 1 / -1;
    max-width: 78ch;
  }

  .page-products .mod-map {
    width: 100%;
  }

  .page-products .pp-figure {
    margin-top: 26px;
  }

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

  .page-products .pp-access {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
  }

  .page-products .pp-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
  }

  .page-products .pp-cta-links {
    margin-top: 0;
    flex-shrink: 0;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pp-stat b {
    font-size: 23px;
  }
}
<<<END>>>