.page-products {
  --prod-pad: clamp(48px, 8vw, 96px);
  --prod-edge: rgba(11, 31, 58, .14);
  --prod-edge-strong: rgba(11, 31, 58, .26);
}

/* ---------- 基础分区 ---------- */
.page-products .band {
  padding: var(--prod-pad) 0;
}

.page-products .band--bone {
  background: var(--bone);
  color: var(--night);
}

.page-products .band--night {
  background: var(--night);
  color: var(--on-dark);
}

.page-products .band--ink {
  background: var(--ink);
  color: var(--on-dark);
}

.page-products .band--moss {
  background: var(--moss);
  color: var(--on-dark);
}

.page-products .band--bone a:not(.btn):not(.tag),
.page-products .band--bone a:not(.btn):not(.tag):visited {
  color: var(--night);
  text-decoration: underline;
  text-decoration-color: var(--clay);
  text-underline-offset: 3px;
}

.page-products .band--night a:not(.btn),
.page-products .band--ink a:not(.btn),
.page-products .band--moss a:not(.btn) {
  color: var(--cyan);
}

.page-products .band--night .lede,
.page-products .band--ink .lede,
.page-products .band--moss .lede {
  color: var(--on-dark);
}

.page-products .band--bone .lede {
  color: var(--stone);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 clamp(36px, 6vw, 68px);
  background:
    radial-gradient(90% 80% at 6% 0%, #14304f 0%, rgba(11, 31, 58, 0) 62%),
    var(--night);
  color: var(--cold);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: calc(var(--header-h) + 12px) clamp(10px, 3vw, 26px) 18px;
  border: 1px solid var(--line-mid);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(46, 230, 200, 0) 52%, var(--amber) 100%);
  opacity: .7;
}

.page-products .prod-hero .breadcrumb {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--on-dark-dim);
}

.page-products .prod-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

.page-products .prod-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-products .prod-hero .breadcrumb a:hover {
  color: var(--cyan);
}

.page-products .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-products .hero-main {
  min-width: 0;
}

.page-products .hero-main .display-title {
  margin: 14px 0 0;
  color: var(--cold);
}

.page-products .hero-lede {
  margin: 22px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--on-dark);
}

.page-products .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--on-dark-dim);
}

.page-products .hero-side {
  min-width: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-mid);
}

.page-products .hero-side-cap {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-products .hero-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .hero-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--cold);
  text-decoration: none;
  font-size: 15px;
}

.page-products .hero-link::after {
  content: "→";
  margin-left: auto;
  color: var(--mist);
  transition: transform .25s var(--ease), color .25s var(--ease);
}

.page-products .hero-link:hover::after {
  transform: translateX(4px);
  color: var(--amber);
}

.page-products .hero-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .hero-link-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}

/* ---------- 章节头 ---------- */
.page-products .sec-head {
  display: grid;
  gap: 14px;
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-products .sec-head .index-num {
  display: block;
}

.page-products .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -.015em;
}

.page-products .sec-head .lede {
  margin: 0;
  max-width: 48ch;
}

/* ---------- 结构图 ---------- */
.page-products .map-wrap {
  padding: clamp(14px, 3vw, 30px);
  border: 1px solid var(--prod-edge);
  background: var(--cold);
}

.page-products .map-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .map-svg .map-node {
  fill: rgba(11, 31, 58, .035);
  stroke: var(--moss);
  stroke-width: 1;
}

.page-products .map-svg .map-link {
  stroke: var(--mist);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.page-products .map-svg .map-link--rail {
  stroke: var(--mist);
  stroke-width: 1;
  stroke-dasharray: 5 7;
  opacity: .85;
}

.page-products .map-svg .map-dot {
  fill: var(--clay);
}

.page-products .map-svg .map-node-title {
  font-family: var(--font-display);
  font-size: 24px;
  fill: var(--night);
}

.page-products .map-svg .map-node-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  fill: var(--stone);
}

.page-products .map-svg .map-cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  fill: var(--clay);
}

.page-products .map-notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-products .map-note {
  display: grid;
  gap: 10px;
  align-content: start;
  padding-top: 16px;
  border-top: 2px solid var(--moss);
}

.page-products .map-note h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 21px;
}

.page-products .map-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-products .map-note .tag {
  justify-self: start;
}

.page-products .note-link {
  justify-self: start;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--clay);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--night);
  text-decoration: none;
}

.page-products .note-link:hover {
  border-bottom-color: var(--night);
}

/* ---------- 双栏 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

.page-products .split-body,
.page-products .split-media {
  min-width: 0;
}

.page-products .split-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
}

.page-products .split-body p:last-child {
  margin-bottom: 0;
}

.page-products .band--bone .split-body p {
  color: var(--stone);
}

.page-products .band--night .split-body p,
.page-products .band--ink .split-body p,
.page-products .band--moss .split-body p {
  color: var(--on-dark);
}

.page-products .media-frame {
  margin: 0;
  border: 1px solid rgba(110, 106, 99, .28);
}

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

/* ---------- 比分演示 ---------- */
.page-products .score-demo {
  margin-top: 26px;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--line-mid);
  background: rgba(7, 20, 38, .55);
}

.page-products .score-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .score-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 230, 200, .16);
  animation: prod-breathe 2.6s ease-in-out infinite;
}

.page-products .score-state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .score-team {
  font-size: 14px;
  color: var(--on-dark);
}

.page-products .score-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1;
  color: var(--cold);
  animation: prod-glow 4.2s ease-in-out infinite;
}

.page-products .score-sep {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4vw, 28px);
  color: var(--stone);
}

.page-products .score-meta {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--on-dark-dim);
}

@keyframes prod-breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.82); }
}

@keyframes prod-glow {
  0%, 44% { color: var(--cold); }
  52% { color: var(--cyan); }
  58% { color: var(--amber); }
  66%, 100% { color: var(--cold); }
}

/* ---------- 分类折页 ---------- */
.page-products .cat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--prod-edge);
}

.page-products .cat-item {
  border-bottom: 1px solid var(--prod-edge);
}

.page-products .cat-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .cat-summary:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}

.page-products .cat-lv {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-products .cat-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(19px, 2.4vw, 24px);
}

.page-products .cat-sign {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--stone);
  transition: transform .25s var(--ease), color .25s var(--ease);
}

.page-products .cat-item[open] .cat-sign {
  transform: rotate(45deg);
  color: var(--moss);
}

.page-products .cat-body {
  display: grid;
  gap: 12px;
  max-width: 62ch;
  padding: 0 0 22px;
}

.page-products .cat-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-products .cat-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .path li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--prod-edge-strong);
  font-size: 13px;
  color: var(--night);
}

.page-products .path-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--clay);
}

/* ---------- 资料库 ---------- */
.page-products .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-products .archive-copy {
  min-width: 0;
}

.page-products .archive-copy .index-num {
  display: block;
  margin-bottom: 10px;
}

.page-products .archive-copy .sec-title {
  margin-bottom: 18px;
  color: var(--cold);
}

.page-products .archive-copy p {
  margin: 0 0 14px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--on-dark);
}

.page-products .archive-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line-mid);
}

.page-products .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.2;
  color: var(--cyan);
}

.page-products .stat-cap {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--on-dark-dim);
}

.page-products .archive-rail-wrap {
  min-width: 0;
}

.page-products .archive-rail-wrap .media-frame {
  margin-bottom: 18px;
  border-color: var(--line-mid);
}

.page-products .season-rail {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .season-item {
  flex: 0 0 min(74vw, 232px);
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 16px;
  border: 1px solid var(--line-mid);
  background: rgba(7, 20, 38, .22);
  scroll-snap-align: start;
}

.page-products .season-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 28px);
  letter-spacing: .02em;
  color: var(--cold);
}

.page-products .season-meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark);
}

.page-products .season-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-products .season-item[aria-current="true"] {
  border-color: var(--cyan);
  background: rgba(46, 230, 200, .1);
}

.page-products .season-item[aria-current="true"] .season-year {
  color: var(--cyan);
}

.page-products .rail-hint {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--on-dark-dim);
}

/* ---------- 手机端细节 ---------- */
.page-products .mobile-points {
  display: grid;
  gap: 0;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-products .mobile-points li {
  padding: 14px 0;
  border-top: 1px solid var(--prod-edge);
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-products .mobile-points strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  color: var(--night);
}

.page-products .phone-demo {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-products .phone-col {
  display: grid;
  gap: 7px;
  align-content: start;
  padding: 12px 9px;
  border: 1px solid var(--prod-edge);
  border-radius: 12px;
  background: #fff;
}

.page-products .phone-cap {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-products .phone-bar {
  display: block;
  height: 8px;
  background: rgba(11, 31, 58, .1);
}

.page-products .phone-bar--score {
  height: 10px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-products .phone-bar--short {
  width: 64%;
}

.page-products .phone-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 版本演进 ---------- */
.page-products .version-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .version-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .version-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-products .version-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  color: var(--cold);
}

.page-products .version-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-products .version-more {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark-dim);
}

/* ---------- 使用场景切换 ---------- */
.page-products .scenario {
  position: relative;
}

.page-products .sc-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .sc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .sc-tab {
  padding: 9px 14px;
  border: 1px solid var(--prod-edge-strong);
  font-size: 14px;
  color: var(--stone);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .sc-tab:hover {
  color: var(--night);
  border-color: var(--moss);
}

.page-products #sc-check:checked ~ .sc-tabs .sc-tab[for="sc-check"],
.page-products #sc-track:checked ~ .sc-tabs .sc-tab[for="sc-track"],
.page-products #sc-archive:checked ~ .sc-tabs .sc-tab[for="sc-archive"] {
  background: var(--night);
  border-color: var(--night);
  color: var(--cold);
}

.page-products #sc-check:focus-visible ~ .sc-tabs .sc-tab[for="sc-check"],
.page-products #sc-track:focus-visible ~ .sc-tabs .sc-tab[for="sc-track"],
.page-products #sc-archive:focus-visible ~ .sc-tabs .sc-tab[for="sc-archive"] {
  outline: 2px solid var(--moss);
  outline-offset: 2px;
}

.page-products .sc-panel {
  display: none;
}

.page-products #sc-check:checked ~ .sc-panels .sc-panel--check,
.page-products #sc-track:checked ~ .sc-panels .sc-panel--track,
.page-products #sc-archive:checked ~ .sc-panels .sc-panel--archive {
  display: grid;
  gap: 0;
}

.page-products .sc-row {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 8px 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--prod-edge);
}

.page-products .sc-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-products .sc-val {
  font-size: 14px;
  line-height: 1.8;
  color: var(--night);
}

.page-products .sc-body {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-products .sc-body--link {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

/* ---------- 三步上手 ---------- */
.page-products .step-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--clay);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-products .step-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  color: var(--cold);
}

.page-products .step-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-products .step-item p a {
  font-size: 13px;
}

.page-products .cta-block {
  display: grid;
  gap: 20px;
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line-mid);
}

.page-products .cta-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  color: var(--cold);
}

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

.page-products .cta-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--on-dark-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .map-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .version-item {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 6px 24px;
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .split--reverse .split-media {
    order: -1;
  }
}

@media (min-width: 1000px) {
  .page-products .archive-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-products .archive-copy {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 820px) {
  .page-products .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 3vw, 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .score-dot,
  .page-products .score-num {
    animation: none;
  }

  .page-products .hero-link::after,
  .page-products .cat-sign,
  .page-products .sc-tab {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>