.page-products {
  --pr-edge: 3px solid var(--brown);
  --pr-pad: clamp(16px, 4vw, 22px);
  background: var(--paper);
  color: var(--brown);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--brown);
}

.page-products h2 {
  font-size: clamp(1.5rem, 4.6vw, 2.3rem);
  line-height: 1.16;
  margin: 0.34em 0 0.5em;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  display: grid;
  gap: 26px;
  padding-block: 26px 8px;
}

.page-products .pr-hero h1 {
  font-size: clamp(1.9rem, 6.2vw, 3.5rem);
  line-height: 1.1;
  margin: 0.3em 0 0.55em;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.page-products .pr-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: var(--pr-edge);
  display: grid;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--brown);
}

.page-products .pr-hero__facts b {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--clay);
  margin-right: 4px;
}

.page-products .pr-hero__art {
  margin: 0;
  transform: translateY(-4px);
}

.page-products .pr-hero__art img,
.page-products .pr-path__figure img,
.page-products .pr-rail-sec__cover img,
.page-products .pr-support__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 服务总览仪表板 ---------- */
.page-products .pr-board__head {
  max-width: 62ch;
}

.page-products .pr-board__grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .pr-tile {
  background: var(--mist);
  border: var(--pr-edge);
  border-top-width: 8px;
  border-top-color: var(--clay);
  box-shadow: var(--shadow-hard);
  padding: var(--pr-pad);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pr-tile:nth-child(2) {
  border-top-color: var(--jade);
}

.page-products .pr-tile:nth-child(3) {
  border-top-color: var(--gold);
}

.page-products .pr-tile:nth-child(4) {
  border-top-color: var(--ink-blue);
}

.page-products .pr-tile h3 {
  font-size: 1.08rem;
  line-height: 1.35;
  margin: 4px 0 0;
}

.page-products .pr-tile dl {
  margin: 6px 0 0;
  display: grid;
  gap: 3px;
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-products .pr-tile dt {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--clay);
  margin-top: 8px;
}

.page-products .pr-tile dd {
  margin: 0;
}

/* ---------- 两条路径 ---------- */
.page-products .pr-path {
  border-top: var(--pr-edge);
}

.page-products .pr-path__head {
  max-width: 64ch;
}

.page-products .pr-path__layout {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

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

.page-products .pr-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 22px 0;
  border-top: 3px solid var(--celadon);
}

.page-products .pr-step:first-child {
  border-top-width: 6px;
  border-top-color: var(--brown);
}

.page-products .pr-step__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 9vw, 4.2rem);
  line-height: 0.82;
  color: var(--gold);
  text-shadow: 2px 2px 0 var(--brown);
  letter-spacing: -0.03em;
}

.page-products .pr-step__body h3 {
  font-size: 1.12rem;
  line-height: 1.3;
  margin: 0 0 12px;
}

.page-products .pr-step__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7px 14px;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-products .pr-step__meta dt {
  font-weight: 700;
  color: var(--jade);
  white-space: nowrap;
}

.page-products .pr-step__meta dd {
  margin: 0;
}

.page-products .pr-step details {
  margin-top: 14px;
  background: rgba(217, 108, 74, 0.08);
  border-left: 5px solid var(--brick);
  padding: 10px 14px;
}

.page-products .pr-step summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--brick);
  list-style: none;
}

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

.page-products .pr-step summary::before {
  content: "＋ ";
}

.page-products .pr-step details[open] summary::before {
  content: "－ ";
}

.page-products .pr-step details p {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-products .pr-step details a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-products .pr-path__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
}

/* ---------- V3 横向轨道 ---------- */
.page-products .pr-rail-sec {
  background: var(--ink-blue);
  color: var(--mist);
  border-block: var(--pr-edge);
  padding-block: clamp(34px, 6vw, 64px);
  margin-top: clamp(38px, 7vw, 76px);
}

.page-products .pr-rail-sec h2,
.page-products .pr-rail-sec h3 {
  color: var(--mist);
}

.page-products .pr-rail-sec .eyebrow {
  color: var(--gold);
}

.page-products .pr-rail-sec .lead {
  color: var(--celadon);
}

.page-products .pr-rail-sec__head {
  max-width: 66ch;
}

.page-products .pr-rail__jump {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin: 18px 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.page-products .pr-rail__jump span {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
}

.page-products .pr-rail__jump a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

.page-products .pr-rail__jump a:hover,
.page-products .pr-rail__jump a:focus-visible {
  color: var(--gold);
}

.page-products .pr-rail-sec__cover {
  margin: 26px 0 6px;
  aspect-ratio: 2 / 1;
}

.page-products .pr-rail {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 6px 2px 18px;
  scrollbar-color: var(--gold) rgba(255, 253, 247, 0.15);
}

.page-products .pr-rail:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 6px;
}

.page-products .pr-rail__track {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  width: max-content;
}

.page-products .pr-rail__item {
  flex: 0 0 auto;
  width: min(76vw, 300px);
  scroll-snap-align: start;
  display: flex;
}

.page-products .pr-line {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  background: var(--mist);
  color: var(--brown);
  border: var(--pr-edge);
  box-shadow: var(--shadow-gold-sm);
  padding: var(--pr-pad);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pr-line:hover,
.page-products .pr-line:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-gold);
}

.page-products .pr-line__idx {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1;
  color: var(--gold);
  text-shadow: 2px 2px 0 var(--brown);
}

.page-products .pr-line h3 {
  color: var(--brown);
  font-size: 1.1rem;
  margin: 0;
}

.page-products .pr-line p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products .pr-line__list {
  list-style: none;
  margin: 0;
  padding: 10px 0 0;
  border-top: 2px solid var(--celadon);
  display: grid;
  gap: 5px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-products .pr-line__list li::before {
  content: "▸ ";
  color: var(--brick);
}

.page-products .pr-line__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 3px solid var(--gold);
  padding-bottom: 2px;
}

.page-products .pr-line__link:hover,
.page-products .pr-line__link:focus-visible {
  color: var(--ink-blue);
  border-bottom-color: var(--brick);
}

/* ---------- 场景分流 ---------- */
.page-products .pr-routes-sec header {
  max-width: 62ch;
}

.page-products .pr-routes {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .pr-route {
  background: var(--mist);
  border: var(--pr-edge);
  box-shadow: var(--shadow-hard);
  padding: var(--pr-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left-width: 10px;
  border-left-color: var(--clay);
}

.page-products .pr-route--b {
  border-left-color: var(--jade);
}

.page-products .pr-route--c {
  border-left-color: var(--ink-blue);
}

.page-products .pr-route__mark {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--clay);
}

.page-products .pr-route h3 {
  font-size: 1.1rem;
  margin: 0;
}

.page-products .pr-route p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-products .pr-route .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 服务能力 ---------- */
.page-products .pr-support-sec {
  border-top: var(--pr-edge);
}

.page-products .pr-support {
  display: grid;
  gap: 28px;
}

.page-products .pr-support__copy h2 {
  margin-bottom: 0.5em;
}

.page-products .pr-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
}

.page-products .pr-stat {
  border-top: 4px solid var(--gold);
  padding-top: 10px;
}

.page-products .pr-stat b {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 5.2vw, 2.1rem);
  line-height: 1.1;
  color: var(--clay);
  letter-spacing: -0.01em;
}

.page-products .pr-stat span {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.page-products .pr-support__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  background: rgba(31, 122, 92, 0.08);
  border-left: 6px solid var(--jade);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-products .pr-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pr-support__figure {
  margin: 0;
  aspect-ratio: 5 / 3;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px 18px;
  }

  .page-products .pr-step {
    gap: 20px;
  }

  .page-products .pr-rail__item {
    width: 300px;
  }
}

@media (min-width: 860px) {
  .page-products .pr-hero {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
    gap: 44px;
    padding-block: 44px 16px;
  }

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

  .page-products .pr-path__layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 40px;
  }

  .page-products .pr-path--query .pr-path__layout {
    grid-template-columns: 340px minmax(0, 1fr);
  }

  .page-products .pr-path--query .pr-path__figure {
    order: -1;
  }

  .page-products .pr-path__figure {
    position: sticky;
    top: 96px;
  }

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

  .page-products .pr-support {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pr-support__figure {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1024px) {
  .page-products .pr-board__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pr-step__num {
    font-size: clamp(4rem, 5vw, 4.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-line,
  .page-products .pr-hero__art {
    transition: none;
    transform: none;
  }

  .page-products .pr-line:hover,
  .page-products .pr-line:focus-within {
    transform: none;
  }

  .page-products .pr-rail {
    scroll-behavior: auto;
  }
}