.page-products {
  --pr-gap: clamp(20px, 4vw, 48px);
  --pr-block: clamp(56px, 8vw, 104px);
  background: var(--abyss-900);
  color: var(--text-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: var(--pr-block);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: clamp(16px, 3vw, 28px) 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-300);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel-500);
}

.page-products .breadcrumb-list a {
  color: var(--text-300);
  text-decoration: none;
}

.page-products .breadcrumb-list a:hover,
.page-products .breadcrumb-list a:focus-visible {
  color: var(--cyan-400);
}

.page-products .breadcrumb-list [aria-current="page"] {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */

.page-products .pr-intro {
  display: grid;
  gap: var(--pr-gap);
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line-600);
}

.page-products .pr-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-products .pr-intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.page-products .pr-lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-300);
}

.page-products .pr-intro-side {
  align-self: end;
  padding: 16px 18px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--panel-700);
  box-shadow: var(--shadow-card);
}

.page-products .pr-side-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel-500);
}

.page-products .pr-jump {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-jump li + li {
  border-top: 1px solid var(--line-600);
}

.page-products .pr-jump a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 2px;
  font-size: 14px;
  color: var(--text-100);
  text-decoration: none;
  transition: color 200ms var(--ease-out), padding-left 200ms var(--ease-out);
}

.page-products .pr-jump a .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-products .pr-jump a:hover,
.page-products .pr-jump a:focus-visible {
  color: var(--cyan-200);
  padding-left: 6px;
}

/* ---------- 章节骨架 ---------- */

.page-products .pr-section {
  margin-top: var(--pr-block);
  scroll-margin-top: calc(var(--bar-h) + 16px);
}

.page-products .pr-split {
  display: grid;
  gap: 20px;
}

.page-products .section-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  margin-bottom: 8px;
}

.page-products .section-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.page-products .pr-split-body > p {
  margin: 0 0 18px;
  max-width: 68ch;
  color: var(--text-300);
  line-height: 1.8;
}

.page-products .pr-inline-link {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-400);
  padding-bottom: 1px;
}

.page-products .pr-inline-link:hover,
.page-products .pr-inline-link:focus-visible {
  color: var(--cyan-400);
}

/* ---------- 折叠面板 ---------- */

.page-products .pr-panels {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.page-products .pr-panel {
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--panel-700);
  box-shadow: var(--shadow-card);
}

.page-products .pr-panel > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text-100);
  transition: color 200ms var(--ease-out);
}

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

.page-products .pr-panel > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange-500);
}

.page-products .pr-panel[open] > summary::after {
  content: "–";
}

.page-products .pr-panel > summary:hover,
.page-products .pr-panel > summary:focus-visible {
  color: var(--cyan-200);
}

.page-products .pr-panel-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-600);
}

.page-products .pr-panel-body p {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-300);
}

.page-products .pr-meta {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-products .pr-panel--mini {
  margin-top: 14px;
  background: transparent;
  box-shadow: none;
}

.page-products .pr-panel--mini > summary {
  font-size: 14px;
  padding: 10px 0;
  color: var(--cyan-200);
}

.page-products .pr-panel--mini .pr-panel-body {
  padding: 0 0 4px;
  border-top: 1px solid var(--line-600);
}

/* ---------- 比分节拍 ---------- */

.page-products .pr-beat-grid {
  display: grid;
  gap: 24px;
  padding: 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--grad-signal);
}

.page-products .pr-beat-text p {
  margin: 0 0 16px;
  max-width: 60ch;
  color: var(--text-100);
  line-height: 1.8;
}

.page-products .pr-ticks {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(232, 243, 248, 0.14);
}

.page-products .pr-ticks li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid rgba(232, 243, 248, 0.14);
  font-size: 14px;
  color: var(--text-100);
}

.page-products .pr-ticks .mono {
  flex: none;
  min-width: 56px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange-500);
}

.page-products .pr-beat-svg {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 10px;
}

.page-products .pr-caption {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-300);
}

/* ---------- 图片 ---------- */

.page-products .pr-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--panel-700);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

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

.page-products .pr-figure .pr-caption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line-600);
}

.page-products .pr-figure--tall img {
  aspect-ratio: 3 / 4;
  object-position: center top;
}

.page-products .pr-figure--wide img {
  aspect-ratio: 4 / 3;
}

.page-products .pr-figure--square img {
  aspect-ratio: 10 / 7;
}

.page-products .pr-figure--banner img {
  aspect-ratio: 16 / 9;
}

/* ---------- 规则编号列表 ---------- */

.page-products .pr-code-list {
  margin: 22px 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-600);
}

.page-products .pr-code-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line-600);
  font-size: 15px;
  color: var(--text-100);
}

.page-products .pr-code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
  padding: 1px 8px;
  border: 1px solid var(--line-600);
  border-radius: 2px;
  background: rgba(0, 229, 208, 0.06);
}

/* ---------- 终端表 ---------- */

.page-products .pr-table-wrap {
  margin: 22px 0 18px;
  overflow-x: auto;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--panel-700);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-table-wrap:focus-visible {
  outline: 1px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-products .pr-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-600);
  vertical-align: top;
}

.page-products .pr-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel-500);
  white-space: nowrap;
  background: var(--abyss-800);
}

.page-products .pr-table tbody th {
  font-weight: 700;
  color: var(--text-100);
  white-space: nowrap;
}

.page-products .pr-table tbody td {
  color: var(--text-300);
}

.page-products .pr-table tbody tr:last-child th,
.page-products .pr-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pr-ok {
  color: var(--cyan-200);
}

.page-products .pr-part {
  color: var(--amber-300);
}

.page-products .pr-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-300);
  max-width: 68ch;
}

/* ---------- 合作 ---------- */

.page-products .pr-section--coop {
  padding-top: clamp(28px, 5vw, 48px);
  border-top: 1px solid var(--line-600);
}

.page-products .pr-coop-head p {
  margin: 14px 0 0;
  max-width: 66ch;
  color: var(--text-300);
  line-height: 1.8;
}

.page-products .pr-coop-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-700);
}

.page-products .pr-coop-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-products .pr-coop-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pr-coop-card {
  display: flex;
  flex-direction: column;
  padding: 18px 16px 16px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--abyss-800);
  box-shadow: var(--shadow-card);
}

.page-products .pr-coop-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 1px 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--abyss-900);
  background: var(--cyan-400);
  border-radius: 2px;
}

.page-products .pr-coop-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text-100);
}

.page-products .pr-coop-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-300);
}

.page-products .pr-mini-list {
  margin: 12px 0 8px;
  padding: 0 0 0 16px;
  list-style: square;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-300);
}

.page-products .pr-coop-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--grad-signal);
}

.page-products .pr-coop-foot p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-100);
}

.page-products .pr-cta {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-products .pr-coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pr-intro {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.85fr);
    align-items: end;
  }

  .page-products .pr-split {
    grid-template-columns: minmax(160px, 220px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pr-split-head {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-products .pr-split-head .section-title {
    font-size: 24px;
  }

  .page-products .pr-beat-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding: 26px;
  }

  .page-products .pr-section--coop .pr-coop-head {
    display: grid;
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pr-section--coop .pr-coop-head .section-index {
    grid-column: 1;
  }

  .page-products .pr-section--coop .pr-coop-head .section-title {
    grid-column: 1;
  }

  .page-products .pr-section--coop .pr-coop-head p {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-products .pr-figure--tall {
    max-width: 460px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-jump a,
  .page-products .pr-panel > summary {
    transition: none;
  }
}
<<<END>>>