.page-products {
  --pp-panel: rgba(18, 58, 51, 0.55);
  --pp-gap: clamp(20px, 3vw, 34px);
  --pp-soft-line: rgba(43, 240, 196, 0.28);
}

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

.page-products .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-soft-line);
  padding-bottom: 1px;
}

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

.page-products .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── 首屏 ─────────────────────────────── */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 3vw, 32px);
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 70%;
  height: 150%;
  background-image: linear-gradient(100deg, transparent 0 47.6%, var(--cyan-soft) 47.6% 48%, transparent 48% 100%);
  pointer-events: none;
  z-index: 0;
}

.page-products .tools-hero > .container {
  position: relative;
  z-index: 1;
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-products .hero-lead h1 {
  margin: 10px 0 16px;
}

.page-products .hero-frame {
  margin: 0;
  border-left: 2px solid var(--cyan);
}

/* ── 路径树与功能矩阵 ─────────────────── */
.page-products .map-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(36px, 6vw, 68px);
}

.page-products .map-tree-label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--grey);
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-products .route-tree {
  width: min(100%, 220px);
  height: auto;
  display: block;
  margin-bottom: 18px;
}

.page-products .route-tree .tree-line {
  fill: none;
  stroke: var(--stroke);
  stroke-width: 1.4;
  stroke-linecap: round;
}

.page-products .route-tree .tree-line-main {
  stroke: var(--cyan);
  stroke-width: 1.8;
}

.page-products .route-tree .tree-dot {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 1.6;
}

.page-products .route-tree .tree-dot-end {
  fill: var(--orange);
  stroke: var(--orange);
}

.page-products .tree-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .tree-node {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  padding: 10px 14px;
  border-left: 2px solid var(--stroke);
  background: linear-gradient(90deg, rgba(18, 58, 51, 0.5), transparent 80%);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-products .tree-node:hover,
.page-products .tree-node:focus-visible {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, var(--cyan-soft), transparent 85%);
  transform: translateX(3px);
}

.page-products .node-num {
  grid-row: 1 / 3;
  align-self: center;
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.page-products .node-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .node-note {
  font-size: 13px;
  color: var(--grey);
  line-height: 1.5;
}

.page-products .map-cards-head {
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--warm);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.page-products .map-card {
  padding: clamp(16px, 2.2vw, 24px);
  border-left: 3px solid var(--stroke);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-products .map-card:hover {
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .map-card:target {
  border-left-color: var(--orange);
  box-shadow: 0 0 0 2px var(--orange-soft);
}

.page-products .map-card .card-title {
  margin: 8px 0 10px;
}

.page-products .card-metric {
  display: inline-block;
  margin: 12px 0 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: var(--ink);
  border: 1px solid var(--stroke);
}

.page-products .map-card .card-footer {
  margin-top: 14px;
}

.page-products .card-link {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-soft-line);
}

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

/* ── 联赛导航三维筛选 ─────────────────── */
.page-products .nav-dims {
  position: relative;
}

.page-products .dims-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .dim-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .dim-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0 18px 4px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .dim-step:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-products .dim-num {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .dim-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 1.8vw, 20px);
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .dim-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}

.page-products .dim-media {
  margin: 0;
  border-right: 2px solid var(--cyan);
}

.page-products .example-strip {
  margin-top: clamp(24px, 4vw, 40px);
  padding: 22px clamp(18px, 3vw, 30px);
  background: var(--pp-panel);
  border-left: 3px solid var(--orange);
}

.page-products .example-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-products .example-text {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--warm);
}

/* ── 订阅与推送 ───────────────────────── */
.page-products .sub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(18px, 3vw, 28px) 0 clamp(26px, 4vw, 44px);
}

.page-products .sub-col {
  padding: 20px 18px;
  background: var(--pp-panel);
  border-top: 2px solid var(--stroke);
}

.page-products .sub-col:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-products .sub-col:nth-child(3) {
  border-top-color: var(--amber);
}

.page-products .sub-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .sub-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}

.page-products .time-ruler {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-products .ruler-band {
  position: relative;
  padding: 20px 16px 16px 18px;
  border-top: 2px solid var(--stroke);
}

.page-products .ruler-band::before {
  content: "";
  position: absolute;
  left: 18px;
  top: -7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(43, 240, 196, 0.16);
}

.page-products .ruler-band-quiet {
  border-top-style: dashed;
  border-top-color: var(--grey);
}

.page-products .ruler-band-quiet::before {
  background: var(--grey);
  box-shadow: none;
}

.page-products .band-time {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .band-name {
  display: block;
  margin: 6px 0 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--warm);
}

.page-products .band-note {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* ── 账号同步 ─────────────────────────── */
.page-products .sync-frame {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border-bottom: 2px solid var(--cyan);
}

.page-products .sync-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-products .sync-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  background: linear-gradient(90deg, var(--cyan-soft), transparent 88%);
  border-left: 2px solid var(--stroke);
}

.page-products .sync-num {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .sync-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--warm);
}

/* ── 自助排查 ─────────────────────────── */
.page-products .device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .device-card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-products .device-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-products .device-icon {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 12px;
}

.page-products .device-name {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .device-note {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--grey);
}

.page-products .device-links {
  margin: 0;
  font-size: 13px;
  color: var(--grey);
}

.page-products .device-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-soft-line);
}

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

.page-products .check-tail {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

/* ── 平台与版本 ───────────────────────── */
.page-products .table-scroll {
  overflow-x: auto;
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-products .spec-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .spec-table th,
.page-products .spec-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-products .spec-table thead th {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
  border-bottom-color: var(--line);
}

.page-products .spec-table tbody th {
  font-weight: 700;
  color: var(--warm);
  white-space: nowrap;
}

.page-products .spec-table tbody td {
  color: var(--grey);
  line-height: 1.65;
}

.page-products .spec-table .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-products .timeline-head {
  margin: clamp(30px, 4vw, 48px) 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 24px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 18px;
}

.page-products .timeline-item {
  position: relative;
}

.page-products .timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
}

.page-products .timeline-item-current::before {
  background: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}

.page-products .timeline-year {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .timeline-item-current .timeline-year {
  color: var(--orange);
}

.page-products .timeline-text {
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}

/* ── 使用场景 ─────────────────────────── */
.page-products .flow-frame {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border-left: 2px solid var(--orange);
}

.page-products .match-flow {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .flow-step {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--pp-panel);
  border-top: 2px solid var(--cyan);
}

.page-products .flow-step:nth-child(2) {
  border-top-color: var(--amber);
}

.page-products .flow-step:nth-child(3) {
  border-top-color: var(--orange);
}

.page-products .flow-stage {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--grey);
  text-transform: uppercase;
}

.page-products .flow-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-products .flow-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}

/* ── 下一步 ───────────────────────────── */
.page-products .cta-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 38px);
  align-items: center;
  padding: clamp(22px, 4vw, 40px);
  background: linear-gradient(135deg, var(--pp-panel), rgba(8, 23, 20, 0.4));
  border: 1px solid var(--stroke);
}

.page-products .cta-copy .lede {
  margin: 12px 0 0;
}

.page-products .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-products .version-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--grey);
}

.page-products .version-line .mono {
  color: var(--amber);
  letter-spacing: 0.08em;
}

.page-products .cta-frame {
  margin: 0;
  border-right: 2px solid var(--cyan);
}

/* ── 响应式 ───────────────────────────── */
@media (min-width: 640px) {
  .page-products .map-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .time-ruler {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-products .cta-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 980px) {
  .page-products .map-grid {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-products .map-tree {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .dims-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
    gap: clamp(28px, 4vw, 52px);
  }

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

@media (min-width: 1024px) {
  .page-products .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .time-ruler {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 0;
  }

  .page-products .match-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .flow-step:nth-child(2) {
    transform: translateY(20px);
  }

  .page-products .flow-step:nth-child(3) {
    transform: translateY(40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tree-node,
  .page-products .map-card,
  .page-products .device-card {
    transition: none;
  }

  .page-products .flow-step {
    transform: none !important;
  }
}
<<<END>>>