.page-products {
  --pp-blue: #5F7896;
  --pp-blue-deep: #3A4E66;
  --pp-blue-mid: #7A93AE;
  --pp-blue-soft: #DCE4EE;
  --pp-wash: #EFF3F8;
  --pp-gap: clamp(56px, 7vw, 112px);
  --pp-sticky: 76px;
  background:
    radial-gradient(120% 58% at 100% 0%, rgba(95, 120, 150, .18), transparent 62%),
    radial-gradient(90% 40% at 0% 34%, rgba(184, 255, 60, .05), transparent 60%),
    var(--silver);
  color: var(--ink);
  padding-bottom: var(--pp-gap);
}

.page-products .pp-shell {
  display: flex;
  flex-direction: column;
  gap: var(--pp-gap);
}

/* ---------- 面包屑 ---------- */
.page-products .pp-crumb {
  padding-top: 20px;
}

.page-products .pp-crumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-products .pp-crumb a {
  color: var(--pp-blue-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-crumb a:hover,
.page-products .pp-crumb a:focus-visible {
  color: var(--horn-deep);
  border-bottom-color: var(--horn);
}

.page-products .pp-crumb [aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--pp-blue);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
  padding-top: 8px;
}

.page-products .pp-hero-copy {
  max-width: 720px;
}

.page-products .pp-hero-copy .exhibit-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pp-blue);
  border-left: 3px solid var(--horn);
  padding-left: 10px;
}

.page-products .pp-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.01em;
  background: linear-gradient(96deg, var(--ink) 12%, var(--pp-blue-deep) 62%, var(--pp-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .pp-lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: #26313D;
}

.page-products .pp-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 26px;
  padding: 0;
}

.page-products .pp-stat {
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--pp-blue-soft);
  border-left: 3px solid var(--pp-blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-products .pp-stat dt {
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-products .pp-stat dd {
  margin: 0;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--pp-blue-deep);
}

.page-products .pp-stat .stat-num {
  color: var(--horn-deep);
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-hero-fig {
  margin: 0;
}

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

/* ---------- 章节通用 ---------- */
.page-products .pp-sec {
  scroll-margin-top: var(--pp-sticky);
}

.page-products .pp-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 28px);
  align-items: start;
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-products .pp-sec-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 84px;
  height: 3px;
  background: linear-gradient(90deg, var(--pp-blue), var(--horn-lite));
}

.page-products .pp-sec-head .chapter-no {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: .9;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--pp-blue-mid);
  letter-spacing: -.02em;
}

.page-products .pp-sec-title .exhibit-tag {
  display: block;
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--pp-blue);
}

.page-products .pp-sec-title h2 {
  margin: 0;
  font-size: clamp(1.375rem, 2.6vw, 2.125rem);
  line-height: 1.3;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.005em;
}

.page-products .pp-intro {
  max-width: 68ch;
  margin: 0 0 30px;
  font-size: 1rem;
  line-height: 1.85;
  color: #2A3542;
}

.page-products .pp-note {
  max-width: 68ch;
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--pp-blue-soft);
  font-size: .875rem;
  line-height: 1.8;
  color: #4C5A6B;
}

.page-products .pp-note a,
.page-products .pp-intro a,
.page-products .pp-cta-text a,
.page-products .pp-version-row a {
  color: var(--horn-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--horn-lite);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-note a:hover,
.page-products .pp-intro a:hover,
.page-products .pp-cta-text a:hover,
.page-products .pp-version-row a:hover,
.page-products .pp-note a:focus-visible,
.page-products .pp-cta-text a:focus-visible {
  color: var(--lime-deep);
  border-bottom-color: var(--lime-deep);
}

/* ---------- 对照表 ---------- */
.page-products .pp-matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--pp-blue-soft);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-1);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-matrix-wrap:focus-visible {
  outline: 2px solid var(--lime-deep);
  outline-offset: 3px;
}

.page-products .pp-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: .9375rem;
  line-height: 1.65;
}

.page-products .pp-matrix caption {
  text-align: left;
}

.page-products .pp-matrix thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--pp-blue);
  color: #F7F9FB;
  font-weight: 700;
  letter-spacing: .04em;
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--pp-blue-deep);
}

.page-products .pp-matrix thead th:first-child {
  background: var(--pp-blue-deep);
  width: 148px;
}

.page-products .pp-matrix tbody th {
  text-align: left;
  font-weight: 700;
  color: var(--pp-blue-deep);
  background: var(--pp-wash);
  padding: 16px 18px;
  border-bottom: 1px solid var(--pp-blue-soft);
  white-space: nowrap;
}

.page-products .pp-matrix tbody td {
  padding: 16px 18px;
  color: #26313D;
  border-bottom: 1px solid var(--pp-blue-soft);
  vertical-align: top;
}

.page-products .pp-matrix tbody tr:nth-child(even) td {
  background: #FAFCFE;
}

.page-products .pp-matrix tbody tr:hover th,
.page-products .pp-matrix tbody tr:hover td,
.page-products .pp-matrix tbody tr:focus-within th,
.page-products .pp-matrix tbody tr:focus-within td {
  background: rgba(184, 255, 60, .16);
}

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

/* ---------- 计分 ---------- */
.page-products .pp-score-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .pp-score-copy p {
  max-width: 66ch;
  line-height: 1.85;
  color: #2A3542;
}

.page-products .pp-score-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-score-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--pp-blue-soft);
  border-radius: var(--radius);
  font-size: .9375rem;
  line-height: 1.7;
  color: #26313D;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-score-steps li:hover {
  border-color: var(--lime-deep);
  transform: translateY(-2px);
}

.page-products .pp-step-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: .875rem;
  color: #F7F9FB;
  background: var(--pp-blue);
  border-radius: 2px;
  padding: 2px 9px;
  line-height: 1.5;
}

.page-products .pp-score-figure {
  margin: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .pp-score-svg {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(160deg, #101823 0%, #1B2430 58%, #22303F 100%);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow-2);
}

.page-products .pp-svg-group rect {
  fill: #F7F9FB;
  stroke: rgba(233, 237, 242, .5);
  stroke-width: 1.2;
}

.page-products .pp-svg-group-a rect {
  stroke: var(--lime);
}

.page-products .pp-svg-group-b rect {
  stroke: var(--horn-lite);
}

.page-products .pp-svg-pip {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  fill: #0F151D;
}

.page-products .pp-svg-brace {
  fill: none;
  stroke-width: 1.6;
}

.page-products .pp-svg-brace-a { stroke: var(--lime); }
.page-products .pp-svg-brace-b { stroke: var(--horn-lite); }

.page-products .pp-svg-label {
  font-family: var(--sans);
  font-size: 14px;
  fill: var(--mist);
}

.page-products .pp-svg-label-b { fill: #D9C796; }

.page-products .pp-svg-rule {
  stroke: rgba(169, 180, 192, .35);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.page-products .pp-svg-result {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  fill: var(--lime);
  letter-spacing: .04em;
}

.page-products .pp-score-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-products .pp-score-figure .media-caption {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--mist);
}

/* ---------- 练习与段位 ---------- */
.page-products .pp-practice-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .pp-practice-figure {
  margin: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

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

.page-products .pp-practice-figure .media-caption {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-products .pp-practice-copy p {
  max-width: 66ch;
  line-height: 1.85;
  color: #2A3542;
}

.page-products .pp-ranks {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  counter-reset: none;
}

.page-products .pp-rank {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  background: var(--card);
  border: 1px solid var(--pp-blue-soft);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-rank:hover {
  border-color: var(--lime-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .pp-rank-no {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: .75rem;
  color: var(--pp-blue);
  min-width: 1.4em;
}

.page-products .pp-rank-name {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--pp-blue-deep);
}

/* ---------- 客户端 ---------- */
.page-products .pp-clients-figure {
  margin: 0 0 32px;
  display: grid;
  gap: 14px;
}

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

.page-products .pp-clients-figure .media-caption {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-products .pp-client-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-client {
  padding: 20px 20px 22px;
  background: var(--card);
  border: 1px solid var(--pp-blue-soft);
  border-top: 3px solid var(--pp-blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-client:hover {
  border-top-color: var(--lime-deep);
  transform: translateY(-2px);
}

.page-products .pp-client h3 {
  margin: 0 0 6px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}

.page-products .pp-client-size {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--horn-deep);
}

.page-products .pp-client p:last-child {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: #2A3542;
}

.page-products .pp-version {
  margin-top: 26px;
  padding: 22px;
  background: linear-gradient(104deg, #101823 0%, #1B2430 70%, #22303F 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}

.page-products .pp-version-row {
  margin: 0;
  max-width: 70ch;
  line-height: 1.85;
  color: #DDE3EA;
  font-size: .9375rem;
}

.page-products .pp-version-row .tag-horn {
  display: inline-block;
  margin-right: 10px;
  vertical-align: 2px;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .1em;
}

.page-products .pp-version .pp-note {
  border-left-color: rgba(184, 255, 60, .5);
  color: #A9B4C0;
}

.page-products .pp-version .pp-note a {
  color: var(--lime);
  border-bottom-color: rgba(184, 255, 60, .45);
}

.page-products .pp-version .pp-note a:hover,
.page-products .pp-version .pp-note a:focus-visible {
  color: var(--horn-lite);
  border-bottom-color: var(--horn-lite);
}

/* ---------- 三步 ---------- */
.page-products .pp-steps {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-step-card {
  position: relative;
  padding: 22px 22px 22px 26px;
  background: var(--card);
  border: 1px solid var(--pp-blue-soft);
  border-left: 4px solid var(--pp-blue);
  border-radius: var(--radius);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-left-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-step-card:hover {
  border-left-color: var(--lime-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .pp-step-index {
  display: inline-block;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--pp-blue);
  margin-bottom: 8px;
}

.page-products .pp-step-card h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-step-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: #2A3542;
}

.page-products .pp-steps-figure {
  margin: 0;
  display: grid;
  gap: 14px;
}

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

.page-products .pp-steps-figure .media-caption {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--mist);
}

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

/* ---------- 对局功能 ---------- */
.page-products .pp-feat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-feat {
  padding: 22px;
  background: var(--pp-wash);
  border: 1px solid var(--pp-blue-soft);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-feat:hover {
  background: var(--card);
  transform: translateY(-2px);
}

.page-products .pp-feat h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--pp-blue-deep);
}

.page-products .pp-feat p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: #2A3542;
}

.page-products .pp-cta {
  margin-top: clamp(32px, 4vw, 52px);
  padding: 26px 24px;
  border: 1px solid var(--pp-blue-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(100deg, rgba(95, 120, 150, .12) 0%, rgba(192, 138, 62, .1) 100%),
    var(--card);
  display: grid;
  gap: 18px;
}

.page-products .pp-cta-text {
  margin: 0;
  max-width: 68ch;
  line-height: 1.85;
  color: #2A3542;
}

.page-products .pp-cta .cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pp-client-wide {
    grid-column: 1 / -1;
  }

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-products .pp-score-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-products .pp-practice-split {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-products .pp-practice-split[data-flip] .pp-practice-figure {
    grid-column: 1;
  }

  .page-products .pp-practice-split[data-flip] .pp-practice-copy {
    grid-column: 2;
  }

  .page-products .pp-client-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-client-wide {
    grid-column: span 2;
  }

  .page-products .pp-steps {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .pp-feat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .pp-matrix thead th {
    top: var(--pp-sticky);
  }
}

@media (min-width: 1400px) {
  .page-products .pp-shell {
    padding-left: 76px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pp-score-steps li,
  .page-products .pp-rank,
  .page-products .pp-client,
  .page-products .pp-step-card,
  .page-products .pp-feat {
    transition: none;
  }

  .page-products .pp-score-steps li:hover,
  .page-products .pp-rank:hover,
  .page-products .pp-client:hover,
  .page-products .pp-step-card:hover,
  .page-products .pp-feat:hover {
    transform: none;
  }
}
<<<END>>>