.page-products {
  --cat-surface: #082A24;
  --cat-surface-2: #06201B;
  --cat-edge: rgba(46, 111, 99, 0.42);
  --cat-edge-soft: rgba(46, 111, 99, 0.24);
  --cat-tint: rgba(19, 242, 200, 0.07);
  --cat-sticky: calc(var(--header-h) + 18px);
  background: var(--c-deep);
  color: var(--c-ice);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(26px, 5vw, 56px));
  padding-bottom: clamp(44px, 7vw, 104px);
  background:
    radial-gradient(115% 88% at 82% 6%, rgba(19, 242, 200, 0.13), transparent 62%),
    radial-gradient(80% 70% at 4% 100%, rgba(255, 107, 26, 0.09), transparent 60%),
    linear-gradient(180deg, #041713 0%, #06201B 100%);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(46, 111, 99, 0.15) 0 1px, transparent 1px 5px);
  opacity: 0.55;
  pointer-events: none;
}

.page-products .cat-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-hero-copy > * + * {
  margin-top: clamp(14px, 2vw, 22px);
}

.page-products .cat-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 7.2vw, 5.2rem);
  line-height: 0.99;
  letter-spacing: 0.005em;
  margin: 0;
  color: var(--c-ice);
}

.page-products .cat-lede {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--c-sage);
  margin: 0;
}

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

.page-products .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding-top: clamp(14px, 2vw, 22px);
  border-top: 1px solid var(--cat-edge-soft);
}

.page-products .hero-facts .fact {
  padding-left: 10px;
  border-left: 2px solid var(--c-line);
}

.page-products .hero-facts dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-sage);
}

.page-products .hero-facts dd {
  margin: 6px 0 0;
  font-size: clamp(17px, 2.6vw, 22px);
  color: var(--c-mist);
  letter-spacing: 0.02em;
}

.page-products .cat-hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: clamp(14px, 3vw, 26px);
  background: linear-gradient(160deg, rgba(11, 22, 38, 0.86), rgba(8, 42, 36, 0.62));
  border: 1px solid var(--cat-edge);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-products .path-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 420px;
  margin: 0 auto;
}

.page-products .path-line {
  stroke-dasharray: 720;
  stroke-dashoffset: 720;
  animation: catDraw 1.1s var(--ease) forwards;
}

@keyframes catDraw {
  to { stroke-dashoffset: 0; }
}

.page-products .visual-caption {
  margin: 0;
  text-align: right;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-line);
}

/* ---------- 区块头 ---------- */
.page-products .section-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-products .section-lede {
  margin-top: 12px;
  color: var(--c-sage);
  line-height: 1.85;
}

/* ---------- 资源筛选 + 卡片 ---------- */
.page-products .cat-filter {
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cat-filter > input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-products .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: start;
}

.page-products .filter-label {
  flex: 0 0 100%;
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-line);
}

.page-products .filter-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 14px;
  color: var(--c-sage);
  background: rgba(11, 22, 38, 0.6);
  border: 1px solid var(--cat-edge);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .filter-row label .mono {
  font-size: 11px;
  color: var(--c-line);
}

.page-products .filter-row label:hover {
  color: var(--c-ice);
  border-color: var(--c-mint);
}

.page-products #rf-all:checked ~ .filter-row label[for="rf-all"],
.page-products #rf-schedule:checked ~ .filter-row label[for="rf-schedule"],
.page-products #rf-report:checked ~ .filter-row label[for="rf-report"],
.page-products #rf-table:checked ~ .filter-row label[for="rf-table"],
.page-products #rf-fit:checked ~ .filter-row label[for="rf-fit"] {
  background: var(--c-mint);
  border-color: var(--c-mint);
  color: #041713;
  font-weight: 700;
}

.page-products #rf-all:checked ~ .filter-row label[for="rf-all"] .mono,
.page-products #rf-schedule:checked ~ .filter-row label[for="rf-schedule"] .mono,
.page-products #rf-report:checked ~ .filter-row label[for="rf-report"] .mono,
.page-products #rf-table:checked ~ .filter-row label[for="rf-table"] .mono,
.page-products #rf-fit:checked ~ .filter-row label[for="rf-fit"] .mono {
  color: #041713;
}

.page-products #rf-all:focus-visible ~ .filter-row label[for="rf-all"],
.page-products #rf-schedule:focus-visible ~ .filter-row label[for="rf-schedule"],
.page-products #rf-report:focus-visible ~ .filter-row label[for="rf-report"],
.page-products #rf-table:focus-visible ~ .filter-row label[for="rf-table"],
.page-products #rf-fit:focus-visible ~ .filter-row label[for="rf-fit"] {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-products #rf-schedule:checked ~ .res-grid .res-card:not(.is-schedule),
.page-products #rf-report:checked ~ .res-grid .res-card:not(.is-report),
.page-products #rf-table:checked ~ .res-grid .res-card:not(.is-table),
.page-products #rf-fit:checked ~ .res-grid .res-card:not(.is-fit) {
  display: none;
}

.page-products .res-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .res-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(175deg, var(--cat-surface) 0%, var(--cat-surface-2) 100%);
  border: 1px solid var(--cat-edge);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-products .res-card:hover {
  border-color: var(--c-mint);
  background: linear-gradient(175deg, #0A302A 0%, #071F1A 100%);
}

.page-products .res-media {
  margin: calc(-1 * clamp(18px, 2.4vw, 26px)) calc(-1 * clamp(18px, 2.4vw, 26px)) 16px;
  overflow: hidden;
  border-bottom: 1px solid var(--cat-edge);
}

.page-products .res-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-products .res-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-products .res-code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-mint);
}

.page-products .res-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: var(--c-ice);
}

.page-products .res-use {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-sage);
}

.page-products .res-details {
  margin-top: 16px;
  border-top: 1px dashed var(--cat-edge-soft);
  padding-top: 12px;
}

.page-products .res-details summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.page-products .res-details summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--c-orange);
  font-size: 15px;
  line-height: 1;
}

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

.page-products .res-details ul {
  margin: 12px 0 0;
  padding: 0 0 0 2px;
  list-style: none;
}

.page-products .res-details li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-sage);
}

.page-products .res-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--c-line);
}

/* ---------- 新版资料包 ---------- */
.page-products .cat-version {
  background: linear-gradient(180deg, rgba(11, 22, 38, 0.0) 0%, rgba(11, 22, 38, 0.55) 45%, rgba(11, 22, 38, 0) 100%);
}

.page-products .version-grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .version-mark {
  font-size: clamp(3.4rem, 9vw, 6.4rem);
  line-height: 0.86;
  margin: 0 0 12px;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-mint);
  letter-spacing: -0.01em;
}

.page-products .version-note {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-sage);
}

.page-products .file-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--cat-edge-soft);
}

.page-products .file-list li {
  display: grid;
  gap: 4px 16px;
  grid-template-columns: minmax(0, 1fr);
  padding: 14px 0;
  border-bottom: 1px solid var(--cat-edge-soft);
}

.page-products .file-key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-products .file-val {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-sage);
}

.page-products .version-side {
  padding: clamp(20px, 3vw, 30px);
  background: var(--c-data);
  border: 1px solid var(--cat-edge);
  border-left: 2px solid var(--c-mint);
}

.page-products .side-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 14px;
  color: var(--c-ice);
}

.page-products .rhythm-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .rhythm-list li {
  display: grid;
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--cat-edge-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-sage);
}

.page-products .rhythm-list .mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

/* ---------- 适配清单 ---------- */
.page-products .fit-layout {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .fit-figure {
  margin: 0;
  border: 1px solid var(--cat-edge);
  background: var(--c-data);
  padding: 12px;
}

.page-products .fit-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
}

.page-products .media-caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-sage);
}

.page-products .fit-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--cat-edge);
  background: linear-gradient(180deg, rgba(11, 22, 38, 0.9), rgba(8, 42, 36, 0.55));
}

.page-products .fit-scroll:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 3px;
}

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

.page-products .fit-table caption {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-line);
}

.page-products .fit-table th,
.page-products .fit-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--cat-edge-soft);
  vertical-align: top;
}

.page-products .fit-table thead th {
  background: #0B1626;
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.page-products .fit-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 116px;
  background: #071F1A;
  color: var(--c-ice);
  font-weight: 700;
  letter-spacing: 0.02em;
  border-right: 1px solid var(--cat-edge-soft);
}

.page-products .fit-table tbody td {
  color: var(--c-sage);
  line-height: 1.7;
}

.page-products .fit-table tbody tr:hover th {
  background: #0A2A24;
  color: var(--c-mint);
}

.page-products .fit-table tbody tr:hover td {
  background: var(--cat-tint);
  color: var(--c-ice);
}

/* ---------- 取用流程 ---------- */
.page-products .flow-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

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

.page-products .flow-step {
  position: relative;
  padding: 0 0 26px 34px;
  border-left: 1px solid var(--cat-edge);
}

.page-products .flow-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .step-no {
  position: absolute;
  left: -1px;
  top: 0;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 12px;
  color: #041713;
  background: var(--c-mint);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}

.page-products .step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 2px 0 8px;
  color: var(--c-ice);
}

.page-products .flow-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-sage);
  max-width: 48ch;
}

.page-products .flow-figure {
  margin: 0;
  border: 1px solid var(--cat-edge);
  overflow: hidden;
}

.page-products .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 版本演进 ---------- */
.page-products .history-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

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

.page-products .tl-item {
  position: relative;
  display: grid;
  gap: 6px;
  grid-template-columns: minmax(0, 1fr);
  padding: 0 0 22px 20px;
  border-left: 1px solid var(--cat-edge);
}

.page-products .tl-item:last-child {
  padding-bottom: 0;
}

.page-products .tl-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--c-deep);
  border: 2px solid var(--c-mint);
  transform: rotate(45deg);
}

.page-products .tl-item:last-child::before {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-products .tl-year {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-amber);
}

.page-products .tl-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 6px;
  color: var(--c-ice);
}

.page-products .tl-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-sage);
  max-width: 50ch;
}

.page-products .history-figure {
  margin: 0;
  border: 1px solid var(--cat-edge);
  overflow: hidden;
  background: var(--c-data);
}

.page-products .history-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 场景 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .scene-card {
  position: relative;
  padding: 20px 20px 18px;
  background: rgba(8, 42, 36, 0.62);
  border: 1px solid var(--cat-edge);
  border-top: 2px solid var(--c-line);
  transition: border-top-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .scene-card:hover {
  border-top-color: var(--c-orange);
  background: rgba(11, 22, 38, 0.85);
}

.page-products .scene-no {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mint);
  margin-bottom: 8px;
}

.page-products .scene-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 8px;
  color: var(--c-ice);
}

.page-products .scene-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-sage);
}

.page-products .scene-path {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--cat-edge-soft);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

.page-products .scene-tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-sage);
}

.page-products .scene-tail a {
  color: var(--c-mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .scene-tail a:hover {
  color: var(--c-orange);
}

/* ---------- 收尾 ---------- */
.page-products .cat-closing {
  padding: clamp(38px, 6vw, 76px) 0 clamp(44px, 7vw, 88px);
  background:
    linear-gradient(90deg, rgba(19, 242, 200, 0.08) 0%, transparent 46%),
    var(--c-deep);
  border-top: 1px solid var(--cat-edge-soft);
}

.page-products .closing-inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .closing-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 4vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--c-ice);
}

.page-products .closing-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-sage);
}

.page-products .closing-links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--cat-edge);
}

.page-products .closing-links li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--cat-edge-soft);
}

.page-products .closing-links a {
  color: var(--c-ice);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .closing-links a:hover,
.page-products .closing-links a:focus-visible {
  color: var(--c-mint);
  border-bottom-color: var(--c-mint);
}

.page-products .closing-links .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-line);
  white-space: nowrap;
}

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

  .page-products .res-grid > .res-card:nth-child(even) {
    margin-top: 34px;
  }

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

  .page-products .file-list li {
    grid-template-columns: 74px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-products .cat-hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-products .cat-hero-visual {
    align-self: center;
  }

  .page-products .version-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .fit-layout {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .fit-figure {
    position: sticky;
    top: var(--cat-sticky);
  }

  .page-products .flow-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

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

  .page-products .closing-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .cat-filter {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .filter-row {
    flex-direction: column;
    flex-wrap: nowrap;
    position: sticky;
    top: var(--cat-sticky);
  }

  .page-products .filter-row label {
    width: 100%;
    justify-content: space-between;
  }

  .page-products .res-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(22px, 2.6vw, 34px);
  }

  .page-products .res-grid > .res-card:nth-child(even) {
    margin-top: 52px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .path-line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-products .res-card,
  .page-products .scene-card,
  .page-products .filter-row label,
  .page-products .closing-links a {
    transition: none;
  }
}
<<<END>>>