.page-products {
  --pp-rail: 176px;
  --pp-body-text: rgba(242, 245, 239, .78);
  --pp-body-dim: rgba(242, 245, 239, .72);
  background: var(--night-green);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 26px;
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--step) linear, border-color var(--step) linear;
}

.page-products .breadcrumb a:hover {
  color: var(--fluoro);
  border-bottom-color: var(--fluoro);
}

.page-products .breadcrumb__sep {
  color: var(--line);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--fluoro);
}

/* ── 首屏 ── */
.page-products .pp-hero {
  position: relative;
  padding: clamp(48px, 9vw, 104px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 2%;
  width: clamp(280px, 46vw, 620px);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, var(--fluoro-ghost) 0%, transparent 68%);
  pointer-events: none;
}

.page-products .pp-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--data-blue);
  margin: 0;
}

.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 88px);
  line-height: 1.02;
  letter-spacing: -.015em;
  margin: 18px 0 0;
  max-width: 15em;
  color: var(--paper);
}

.page-products .pp-hero__title .hl {
  color: var(--fluoro);
}

.page-products .pp-hero__lede {
  max-width: 34em;
  margin: 24px 0 0;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.75;
  color: rgba(242, 245, 239, .82);
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-products .pp-stat {
  background: var(--night-green);
  padding: clamp(16px, 2vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pp-stat__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--fluoro);
}

.page-products .pp-stat__v .u {
  font-size: .55em;
  margin-left: 2px;
  color: var(--data-blue);
}

.page-products .pp-stat__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ── 阶段筛选条 ── */
.page-products .pp-filterbar {
  background: var(--stand-green);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-filterbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  padding: 14px 0;
}

.page-products .pp-filterbar__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--muted);
  border-radius: 0;
  cursor: pointer;
  transition: color var(--step) linear, border-color var(--step) linear, background var(--step) linear;
}

.page-products .chip:hover {
  color: var(--paper);
  border-color: var(--line-hard);
}

.page-products .chip[aria-pressed="true"] {
  background: var(--fluoro);
  border-color: var(--fluoro);
  color: var(--ink);
  font-weight: 700;
}

/* ── 章节长卷 ── */
.page-products .pp-body {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .pp-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-chapter:first-child {
  border-top: 0;
}

.page-products .pp-chapter__rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-mono);
}

.page-products .pp-chapter__no {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--fluoro);
  border: 1px solid var(--fluoro);
  padding: 2px 8px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.page-products .pp-chapter__tag {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .pp-chapter__body {
  min-width: 0;
}

.page-products .pp-chapter h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  color: var(--paper);
  max-width: 18em;
}

.page-products .pp-chapter__body > p {
  max-width: 34em;
  margin: 0 0 16px;
  color: var(--pp-body-text);
}

.page-products .pp-chapter__body > p.pp-tail {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  color: var(--muted);
}

.page-products .pp-sub {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.32;
  margin: 36px 0 14px;
  color: var(--paper);
}

.page-products .note {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--muted);
  max-width: 46em;
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--board-orange);
}

/* ── 第一章：分栏 + 定义行 ── */
.page-products .pp-split {
  display: grid;
  gap: 22px;
  margin: 26px 0 8px;
}

.page-products .pp-defs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pp-defs li {
  background: var(--night-green);
  padding: 16px 18px;
}

.page-products .pp-defs__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--fluoro);
  margin-bottom: 6px;
}

.page-products .pp-defs__v {
  display: block;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-body-text);
}

.page-products .pp-scenes {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 22px;
}

.page-products .pp-scene {
  background: var(--stand-green);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-products .pp-scene__no {
  flex: none;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: var(--fluoro);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-products .pp-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--pp-body-text);
}

/* ── 第二章：维度 + 表格 ── */
.page-products .pp-dims {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin: 26px 0;
}

.page-products .pp-dim {
  background: var(--stand-green);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 4px 16px;
  align-items: start;
}

.page-products .pp-dim__no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--board-orange);
  padding-top: 4px;
}

.page-products .pp-dim__k {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pp-dim__v {
  font-size: 14px;
  line-height: 1.72;
  color: var(--pp-body-dim);
}

.page-products .pp-lbfilter {
  margin: 10px 0 0;
}

.page-products .pp-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  margin: 16px 0 14px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  background: var(--night-green);
}

.page-products .pp-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
  background: var(--stand-green);
}

.page-products .pp-table th {
  text-align: left;
  padding: 11px 14px;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--data-blue);
  background: rgba(77, 155, 255, .07);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 12px 14px;
  color: var(--pp-body-text);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pp-table tbody tr:nth-child(even) td {
  background: rgba(14, 36, 27, .55);
}

.page-products .pp-table .num {
  text-align: right;
}

.page-products .pp-table .pp-num {
  color: var(--fluoro);
  font-weight: 600;
}

/* ── 第三章：三件事 + 机位 ── */
.page-products .pp-trio {
  list-style: none;
  margin: 26px 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pp-trio li {
  background: var(--stand-green);
  padding: 24px 22px 26px;
}

.page-products .pp-trio__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--fluoro);
  margin-bottom: 14px;
}

.page-products .pp-trio h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-products .pp-trio p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-body-dim);
}

.page-products .pp-cams {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.page-products .pp-cam {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--night-green);
}

.page-products .pp-cam__box {
  position: relative;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(180deg, rgba(77, 155, 255, .12), transparent 62%),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 24px),
    var(--stand-green);
  overflow: hidden;
}

.page-products .pp-cam__box::before {
  content: "";
  position: absolute;
  inset: 20% 22%;
  border: 1px dashed rgba(230, 255, 59, .48);
}

.page-products .pp-cam__box::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  top: 52%;
  height: 1px;
  background: rgba(230, 255, 59, .55);
}

.page-products .pp-cam__tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  padding: 3px 7px;
  background: var(--fluoro);
  color: var(--ink);
}

.page-products .pp-cam figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  padding: 10px 12px;
  border-top: 1px solid var(--line-soft);
}

/* ── 第四章：时间线 ── */
.page-products .pp-timeline {
  list-style: none;
  margin: 26px 0;
  padding: 0 0 0 4px;
  border-left: 1px solid var(--line-soft);
}

.page-products .pp-timeline__item {
  position: relative;
  padding: 0 0 30px 26px;
}

.page-products .pp-timeline__item:last-child {
  padding-bottom: 0;
}

.page-products .pp-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--night-green);
  border: 2px solid var(--fluoro);
}

.page-products .pp-timeline__mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--board-orange);
  margin-bottom: 8px;
}

.page-products .pp-timeline__item h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .pp-timeline__item p {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-body-dim);
}

/* ── 第五章：步骤 ── */
.page-products .pp-steps {
  list-style: none;
  margin: 26px 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pp-steps li {
  background: var(--stand-green);
  padding: 22px 20px 24px;
}

.page-products .pp-steps__no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--fluoro);
  margin-bottom: 14px;
}

.page-products .pp-steps h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-products .pp-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-body-dim);
}

/* ── 第六章：人群路径 ── */
.page-products .pp-pathfilter {
  margin: 22px 0 24px;
}

.page-products .pp-paths {
  display: grid;
  gap: 12px;
}

.page-products .pp-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 24px;
  background: var(--stand-green);
  border: 1px solid var(--line-soft);
}

.page-products .pp-path__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--data-blue);
}

.page-products .pp-path h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.25;
  margin: 0;
  color: var(--paper);
}

.page-products .pp-path p {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pp-body-dim);
}

/* ── 通用链接与图片 ── */
.page-products .pp-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--fluoro);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(230, 255, 59, .38);
  transition: border-color var(--step) linear, color var(--step) linear;
}

.page-products .pp-link:hover,
.page-products .pp-link:focus-visible {
  border-bottom-color: var(--fluoro);
  color: var(--warm);
}

.page-products .pp-path .pp-link {
  align-self: flex-start;
}

.page-products .pp-media {
  margin: 26px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--stand-green);
}

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

.page-products .pp-media .media__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ── 响应式 ── */
@media (min-width: 720px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pp-dims,
  .page-products .pp-steps,
  .page-products .pp-trio {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-products .pp-cams,
  .page-products .pp-scenes {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 820px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 880px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pp-paths {
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
  }

  .page-products .pp-path {
    border: 0;
  }
}

@media (min-width: 960px) {
  .page-products .pp-chapter {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-products .pp-chapter__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (min-width: 1120px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .chip,
  .page-products .pp-link,
  .page-products .breadcrumb a {
    transition: none;
  }
}
<<<END>>>