.page-products {
  --pf-rail-w: 196px;
  --pf-gap: clamp(24px, 4vw, 52px);
}

/* ---------- 首屏框景 ---------- */
.page-products .pf-hero {
  padding-block: clamp(28px, 5vw, 56px) clamp(36px, 6vw, 72px);
}

.page-products .pf-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-products .pf-hero__frame {
  position: relative;
  max-width: 880px;
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid rgba(240, 138, 36, 0.45);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(158deg, rgba(240, 138, 36, 0.18), rgba(11, 26, 46, 0) 58%),
    rgba(22, 48, 76, 0.4);
}

.page-products .pf-hero__frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  height: 5px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(156, 198, 214, 0.55) 0 1px,
    transparent 1px 20px
  );
  pointer-events: none;
}

.page-products .pf-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(30px, 6.2vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-products .pf-hero .lead {
  max-width: 34em;
  margin-top: 18px;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.75;
  color: rgba(214, 231, 240, 0.88);
}

/* ---------- 三支路总览 ---------- */
.page-products .pf-routes {
  padding-block: clamp(36px, 6vw, 68px);
}

.page-products .pf-routes h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-products .pf-branches {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 30px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .pf-branch {
  position: relative;
  padding-top: 40px;
}

.page-products .pf-branch__node {
  position: absolute;
  top: 0;
  left: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--c-sunset);
}

.page-products .pf-branch h3 {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  color: var(--c-ink);
}

.page-products .pf-branch p {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-muted, #6E8199);
}

.page-products .pf-branch .text-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-amber-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .pf-branch .text-link:hover,
.page-products .pf-branch .text-link:focus-visible {
  color: var(--c-sunset);
  transform: translateX(2px);
}

@media (min-width: 820px) {
  .page-products .pf-branches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-branches::before {
    content: "";
    position: absolute;
    top: 13px;
    left: 4%;
    right: 4%;
    height: 1px;
    background: var(--c-snow);
  }
}

/* ---------- 工作区骨架 ---------- */
.page-products .pf-workspace {
  padding-block: clamp(32px, 5vw, 56px) clamp(48px, 7vw, 88px);
}

.page-products .pf-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
}

.page-products .pf-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pf-rail__list a {
  display: block;
  padding: 8px 13px;
  border: 1px solid var(--c-paper-edge);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--fg-muted, #6E8199);
  text-decoration: none;
  background: var(--surface-raised, #FBF7F0);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-products .pf-rail__list a:hover,
.page-products .pf-rail__list a:focus-visible {
  border-color: var(--c-sunset);
  color: var(--c-amber-deep);
  background: rgba(240, 138, 36, 0.1);
}

@media (min-width: 1000px) {
  .page-products .pf-layout {
    grid-template-columns: var(--pf-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .pf-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
  .page-products .pf-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }
  .page-products .pf-rail__list a {
    border: 0;
    border-left: 2px solid var(--c-paper-edge);
    border-radius: 0;
    padding: 9px 0 9px 15px;
    font-size: 15px;
    background: transparent;
  }
  .page-products .pf-rail__list a:hover,
  .page-products .pf-rail__list a:focus-visible {
    border-left-color: var(--c-sunset);
    background: linear-gradient(90deg, rgba(240, 138, 36, 0.14), transparent 78%);
  }
}

/* ---------- 章节通则 ---------- */
.page-products .pf-chapter {
  padding-block: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--line, rgba(16, 28, 40, 0.14));
}

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

.page-products .pf-chapter h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-products .pf-chapter p {
  max-width: 38em;
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.75;
}

.page-products .pf-chapter h3 {
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  line-height: 1.3;
}

.page-products .pf-chapter h4 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-ink);
}

/* ---------- 深色面板：积分榜 ---------- */
.page-products .pf-panel--night {
  --fg: #EAF1F7;
  --fg-muted: #9CC6D6;
  --line: rgba(156, 198, 214, 0.22);
  --line-strong: rgba(156, 198, 214, 0.36);
  margin-block: clamp(22px, 4vw, 38px);
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--c-sunset);
  background-color: var(--c-night);
  background-image:
    linear-gradient(rgba(156, 198, 214, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 198, 214, 0.07) 1px, transparent 1px);
  background-size: 46px 46px;
  color: var(--fg);
}

.page-products .pf-panel--night h2,
.page-products .pf-panel--night h3,
.page-products .pf-panel--night h4 {
  color: #ffffff;
}

.page-products .pf-panel--night p {
  color: rgba(214, 231, 240, 0.86);
}

.page-products .pf-panel--night .eyebrow {
  color: var(--c-amber);
}

.page-products .pf-views {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-views li {
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--c-jade);
  border-radius: var(--radius);
  background: rgba(22, 48, 76, 0.72);
}

.page-products .pf-views__key {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-products .pf-views li p {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(214, 231, 240, 0.78);
}

@media (min-width: 700px) {
  .page-products .pf-views {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pf-table {
  width: 100%;
  margin-top: clamp(26px, 4vw, 38px);
  border-collapse: collapse;
  font-family: var(--font-score);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
}

.page-products .pf-table__caption {
  padding-bottom: 12px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: left;
  color: var(--c-snow);
}

.page-products .pf-table th {
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  color: var(--c-snow);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pf-table td {
  padding: 13px 14px;
  color: var(--fg);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-table tbody tr td:first-child {
  border-left: 3px solid var(--c-jade);
}

.page-products .pf-table__rank {
  color: var(--c-snow);
  font-weight: 700;
}

.page-products .pf-table__num {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
}

.page-products .pf-table .trend {
  font-weight: 700;
}

/* ---------- 小屏追比分 ---------- */
.page-products .pf-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

@media (min-width: 880px) {
  .page-products .pf-split {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: start;
  }
}

.page-products .pf-facts {
  display: grid;
  gap: 0;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-facts li {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--c-paper-edge);
}

.page-products .pf-facts li:last-child {
  border-bottom: 0;
}

.page-products .pf-facts strong {
  font-family: var(--font-score);
  font-variant-numeric: tabular-nums;
  font-size: 21px;
  font-weight: 700;
  color: var(--c-amber-deep);
}

.page-products .pf-facts span {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-products .pf-phone {
  margin: 0 auto;
  max-width: 292px;
}

.page-products .pf-phone img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--c-paper-edge);
  border-radius: 26px;
  background: linear-gradient(160deg, #16304C, #0B1A2E);
  box-shadow: var(--shadow-lift, 0 22px 40px -28px rgba(11, 26, 46, 0.7));
}

.page-products .pf-phone figcaption {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-muted, #6E8199);
}

/* ---------- 资料库纸面 ---------- */
.page-products .pf-panel--paper {
  position: relative;
  margin-block: clamp(22px, 4vw, 38px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius-lg);
  background: var(--surface-raised, #FBF7F0);
  box-shadow: var(--shadow-card, 0 18px 34px -26px rgba(11, 26, 46, 0.55));
}

.page-products .pf-panel--paper::before,
.page-products .pf-panel--paper::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 20px;
  height: 20px;
  border: 1px solid var(--c-paper-edge);
  border-radius: 50%;
  background: var(--c-paper);
  transform: translateY(-50%);
  pointer-events: none;
}

.page-products .pf-panel--paper::before {
  left: -11px;
}

.page-products .pf-panel--paper::after {
  right: -11px;
}

@media (max-width: 640px) {
  .page-products .pf-panel--paper::before,
  .page-products .pf-panel--paper::after {
    display: none;
  }
}

.page-products .pf-seasons {
  display: flex;
  gap: 10px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-products .pf-seasons li {
  flex: 0 0 auto;
  min-width: 122px;
  padding: 14px 16px;
  scroll-snap-align: start;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
  background: var(--c-paper);
}

.page-products .pf-seasons__year {
  display: block;
  font-family: var(--font-score);
  font-variant-numeric: tabular-nums;
  font-size: 21px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-products .pf-seasons small {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-products .pf-archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
  align-items: start;
}

@media (min-width: 820px) {
  .page-products .pf-archive-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

.page-products .pf-archive-notes h3 {
  margin: 0;
  color: var(--c-ink);
}

.page-products .pf-archive-notes p {
  font-size: 16.5px;
  color: var(--c-ink);
}

.page-products .pf-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--c-paper-edge);
}

@media (min-width: 900px) {
  .page-products .pf-entry-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

.page-products .pf-entry h3 {
  margin: 0;
  color: var(--c-ink);
}

.page-products .pf-steps {
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 3vw, 28px);
  align-items: start;
  padding-bottom: clamp(16px, 2.6vw, 24px);
  border-bottom: 1px dashed var(--c-paper-edge);
}

.page-products .pf-steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pf-steps .step-num {
  font-family: var(--font-serif);
  font-variant-numeric: tabular-nums;
  font-size: clamp(42px, 7.6vw, 72px);
  font-weight: 700;
  line-height: 0.84;
  color: var(--c-amber-deep);
  opacity: 0.9;
}

.page-products .pf-steps p {
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-muted, #6E8199);
}

.page-products .pf-figure {
  margin: 0;
}

.page-products .pf-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
  object-fit: cover;
  background: linear-gradient(155deg, #16304C, #0B1A2E);
}

.page-products .pf-figure--tall img {
  max-height: 520px;
}

.page-products .pf-panel--night .pf-figure img {
  border-color: rgba(156, 198, 214, 0.32);
}

/* ---------- 版本演进 ---------- */
.page-products .pf-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 30px);
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-timeline li {
  position: relative;
  padding: 26px 0 0;
  border-top: 2px solid var(--c-paper-edge);
}

.page-products .pf-timeline li::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--c-sunset);
}

.page-products .pf-timeline__mark {
  display: block;
  font-family: var(--font-score);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-amber-deep);
}

.page-products .pf-timeline h3 {
  margin: 10px 0 0;
  color: var(--c-ink);
}

.page-products .pf-timeline p {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-muted, #6E8199);
}

@media (min-width: 820px) {
  .page-products .pf-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.6vw, 26px);
  }
  .page-products .pf-timeline li {
    padding-right: 18px;
  }
  .page-products .pf-timeline li::before {
    left: 6px;
  }
}

/* ---------- 适合谁用 ---------- */
.page-products .pf-audience {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 780px) {
  .page-products .pf-audience {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pf-audience li {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--c-paper-edge);
  border-top: 3px solid var(--c-jade);
  border-radius: var(--radius);
  background: var(--surface-raised, #FBF7F0);
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}

.page-products .pf-audience li:hover {
  border-color: var(--c-sunset);
  transform: translateY(-2px);
}

.page-products .pf-audience h3 {
  margin: 0;
  color: var(--c-ink);
}

.page-products .pf-audience p {
  margin: 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--fg-muted, #6E8199);
}

.page-products .pf-audience .tag {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 结尾指引 ---------- */
.page-products .pf-cta {
  margin-top: clamp(34px, 5vw, 60px);
  padding: clamp(26px, 4.4vw, 50px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(255, 196, 107, 0.55), rgba(240, 138, 36, 0) 56%),
    linear-gradient(135deg, #F08A24 0%, #C4551A 100%);
}

.page-products .pf-cta h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0B1A2E;
}

.page-products .pf-cta p {
  max-width: 34em;
  margin-top: 14px;
  font-size: 16.5px;
  line-height: 1.72;
  color: rgba(11, 26, 46, 0.8);
}

.page-products .pf-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .pf-cta__btn-light {
  border-color: rgba(11, 26, 46, 0.42);
  color: #0B1A2E;
  background: transparent;
  transition: background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-products .pf-cta__btn-light:hover,
.page-products .pf-cta__btn-light:focus-visible {
  border-color: #0B1A2E;
  background: rgba(11, 26, 46, 0.12);
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-audience li,
  .page-products .pf-branch .text-link,
  .page-products .pf-rail__list a,
  .page-products .pf-cta__btn-light {
    transition: none;
  }
  .page-products .pf-audience li:hover {
    transform: none;
  }
}
<<<END>>>