.page-products {
  --pp-gap: clamp(16px, 2.6vw, 34px);
  --pp-pad: clamp(46px, 7vw, 96px);
  --pp-line: rgba(201, 211, 221, .22);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--mist);
  padding-top: clamp(20px, 3vw, 36px);
}

.page-products .cat-hero__glow {
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(620px, 92vw);
  height: min(620px, 92vw);
  background:
    radial-gradient(closest-side, rgba(79, 209, 197, .26), transparent 72%),
    radial-gradient(closest-side, rgba(31, 78, 121, .58), transparent 74%);
  filter: blur(8px);
  pointer-events: none;
  z-index: -1;
}

.page-products .cat-hero .breadcrumbs,
.page-products .cat-hero .breadcrumbs a {
  color: var(--silver);
}

.page-products .cat-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding: clamp(18px, 3vw, 34px) 0 clamp(30px, 5vw, 58px);
}

.page-products .cat-hero__copy {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 22px);
  align-items: flex-start;
}

.page-products .cat-hero__copy .eyebrow {
  color: var(--electric);
}

.page-products .cat-hero__copy h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  font-size: clamp(30px, 6.2vw, 62px);
  color: var(--mist);
}

.page-products .cat-hero__copy .lede {
  max-width: 56ch;
  color: var(--silver);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-products .cat-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  width: 100%;
  background: var(--pp-line);
  border: var(--hair) solid var(--pp-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-hero__facts > div {
  background: rgba(17, 42, 70, .78);
  padding: 12px 14px;
}

.page-products .cat-hero__facts dt {
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--electric);
  margin-bottom: 6px;
}

.page-products .cat-hero__facts dd {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--mist);
}

.page-products .cat-hero__visual {
  margin: 0;
  border: var(--hair) solid var(--pp-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-2), var(--indigo));
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, .85);
}

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

/* ---------- 类目轨道 ---------- */
.page-products .cat-track {
  border-top: var(--hair) solid var(--pp-line);
  background: linear-gradient(180deg, rgba(17, 42, 70, .96), rgba(11, 29, 51, .96));
}

.page-products .cat-track__inner {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--indigo) transparent;
}

.page-products .cat-track__inner::-webkit-scrollbar {
  height: 4px;
}

.page-products .cat-track__inner::-webkit-scrollbar-thumb {
  background: var(--indigo);
}

.page-products .cat-track__item {
  flex: 0 0 clamp(196px, 52vw, 224px);
  scroll-snap-align: start;
  display: grid;
  gap: 7px;
  padding: 20px clamp(14px, 2vw, 22px) 24px;
  border-right: var(--hair) solid rgba(201, 211, 221, .12);
  text-decoration: none;
  color: var(--mist);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.page-products .cat-track__item:hover,
.page-products .cat-track__item:focus-visible {
  background: rgba(79, 209, 197, .09);
  border-right-color: var(--electric);
}

.page-products .cat-track__no {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--electric);
}

.page-products .cat-track__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -.01em;
}

.page-products .cat-track__for {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 通用小节头 ---------- */
.page-products .cat-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .cat-head .eyebrow {
  color: var(--terra);
}

.page-products .cat-head h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.24;
  font-size: clamp(23px, 3.4vw, 38px);
}

.page-products .cat-head .lede {
  color: var(--ink-2);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
}

/* ---------- 产品线分组 ---------- */
.page-products .cat-lines {
  padding: var(--pp-pad) 0;
  background: var(--mist);
  color: var(--ink);
}

.page-products .cat-block {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  padding: clamp(28px, 4.6vw, 56px) 0;
  border-top: var(--hair) solid var(--silver-2);
}

.page-products .cat-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-products .cat-block__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: baseline;
}

.page-products .cat-block__no {
  grid-row: span 2;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--indigo);
  padding-top: 4px;
}

.page-products .cat-block__head h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -.01em;
}

.page-products .cat-block__for {
  margin: 0;
  grid-column: 2;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 62ch;
}

.page-products .cat-block__body {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .cat-block__fig {
  margin: 0;
  border: var(--hair) solid var(--silver-2);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--silver-2), var(--mist));
  box-shadow: 0 18px 40px -32px rgba(11, 29, 51, .6);
}

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

.page-products .cat-block__fig .figure__caption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--ink-2);
  background: var(--silver-2);
}

.page-products .cat-block__detail {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .cat-block__detail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-products .cat-block__deliver {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  padding-top: 12px;
  border-top: var(--hair) dashed var(--silver);
  font-size: 13.5px;
  color: var(--indigo);
}

.page-products .cat-block__deliver .mono {
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--terra);
  border: var(--hair) solid var(--terra);
  border-radius: 999px;
  padding: 3px 9px;
}

/* ---------- 折叠面板 ---------- */
.page-products .cat-panel {
  border: var(--hair) solid var(--silver-2);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.page-products .cat-panel summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 14px;
  color: var(--indigo);
  background: var(--silver-2);
  transition: background .25s var(--ease), color .25s var(--ease);
}

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

.page-products .cat-panel summary:hover {
  background: #d8e1e9;
}

.page-products .cat-panel__marker {
  font-size: 16px;
  line-height: 1;
  color: var(--terra);
  transition: transform .25s var(--ease);
}

.page-products .cat-panel[open] .cat-panel__marker {
  transform: rotate(45deg);
}

.page-products .cat-sublist {
  list-style: none;
  margin: 0;
  padding: 6px 0;
}

.page-products .cat-sublist li {
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 10px;
  padding: 9px 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-2);
  border-bottom: var(--hair) solid var(--mist);
}

.page-products .cat-sublist li:last-child {
  border-bottom: 0;
}

.page-products .cat-sublist .mono {
  font-size: 11px;
  color: var(--silver);
  letter-spacing: .06em;
  padding-top: 2px;
}

/* ---------- 服务清单 ---------- */
.page-products .cat-services {
  padding: var(--pp-pad) 0;
  background: var(--silver-2);
  color: var(--ink);
}

.page-products .svc-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-products .svc-visual {
  margin: 0;
  border: var(--hair) solid var(--silver);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  align-self: start;
}

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

.page-products .svc-visual .figure__caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
  background: var(--ink-2);
}

.page-products .svc-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .svc-radio {
  position: absolute;
}

.page-products .svc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .svc-chip {
  cursor: pointer;
  padding: 8px 15px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--indigo);
  background: #fff;
  border: var(--hair) solid var(--silver);
  border-radius: 999px;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}

.page-products .svc-chip:hover {
  border-color: var(--indigo);
}

.page-products .svc-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .svc-group {
  background: #fff;
  border: var(--hair) solid var(--silver);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .svc-group > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid var(--terra);
}

.page-products .svc-group > summary::-webkit-details-marker {
  display: none;
}

.page-products .svc-group__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
}

.page-products .svc-group__count {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--indigo);
  background: var(--mist);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-products .svc-items {
  list-style: none;
  margin: 0;
  padding: 4px 0 8px;
  border-top: var(--hair) solid var(--silver-2);
}

.page-products .svc-item {
  display: grid;
  grid-template-columns: 3.4em 1fr;
  gap: 4px 12px;
  padding: 10px 16px;
  border-bottom: var(--hair) solid var(--mist);
}

.page-products .svc-item:last-child {
  border-bottom: 0;
}

.page-products .svc-item__no {
  grid-row: span 2;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--cinnabar);
  padding-top: 3px;
}

.page-products .svc-item__name {
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}

.page-products .svc-item__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
}

/* 筛选：选中态 */
.page-products #svc-f-all:checked ~ .svc-chips label[for="svc-f-all"],
.page-products #svc-f-plan:checked ~ .svc-chips label[for="svc-f-plan"],
.page-products #svc-f-content:checked ~ .svc-chips label[for="svc-f-content"],
.page-products #svc-f-tech:checked ~ .svc-chips label[for="svc-f-tech"],
.page-products #svc-f-data:checked ~ .svc-chips label[for="svc-f-data"],
.page-products #svc-f-ops:checked ~ .svc-chips label[for="svc-f-ops"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #fff;
}

/* 筛选：只显示对应分组 */
.page-products #svc-f-plan:checked ~ .svc-groups .svc-group:not(.svc-group--plan),
.page-products #svc-f-content:checked ~ .svc-groups .svc-group:not(.svc-group--content),
.page-products #svc-f-tech:checked ~ .svc-groups .svc-group:not(.svc-group--tech),
.page-products #svc-f-data:checked ~ .svc-groups .svc-group:not(.svc-group--data),
.page-products #svc-f-ops:checked ~ .svc-groups .svc-group:not(.svc-group--ops) {
  display: none;
}

/* ---------- 移动端同步 ---------- */
.page-products .cat-sync {
  padding: var(--pp-pad) 0;
  background: linear-gradient(165deg, var(--ink) 0%, var(--ink-2) 58%, #14405f 100%);
  color: var(--mist);
}

.page-products .cat-sync__inner {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-products .cat-sync__copy .eyebrow {
  color: var(--electric);
}

.page-products .cat-sync__copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.015em;
  font-size: clamp(23px, 3.4vw, 38px);
  color: var(--mist);
}

.page-products .cat-sync__copy .lede {
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 56ch;
}

.page-products .cat-sync__list {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-line);
  border: var(--hair) solid var(--pp-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-sync__list li {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 10px;
  padding: 12px 15px;
  background: rgba(11, 29, 51, .68);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .cat-sync__list .mono {
  font-size: 11px;
  color: var(--electric);
  letter-spacing: .1em;
  padding-top: 2px;
}

.page-products .cat-sync__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-device {
  display: flex;
  justify-content: center;
}

.page-products .cat-device__frame {
  width: min(268px, 78vw);
  padding: 12px 12px 16px;
  background: linear-gradient(180deg, rgba(201, 211, 221, .16), rgba(201, 211, 221, .05));
  border: var(--hair) solid rgba(201, 211, 221, .34);
  border-radius: 22px;
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .95);
  backdrop-filter: blur(2px);
}

.page-products .cat-device__bar {
  width: 48px;
  height: 4px;
  margin: 2px auto 16px;
  border-radius: 999px;
  background: rgba(201, 211, 221, .5);
}

.page-products .cat-device__label {
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--electric);
  margin: 0 0 12px 4px;
}

.page-products .cat-device__rows {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-products .cat-device__row {
  display: block;
  padding: 10px 13px;
  font-size: 13px;
  color: var(--silver);
  background: rgba(11, 29, 51, .72);
  border: var(--hair) solid rgba(201, 211, 221, .16);
  border-radius: var(--radius);
}

.page-products .cat-device__row--key {
  color: var(--ink);
  background: var(--electric);
  border-color: var(--electric);
  font-weight: 700;
}

.page-products .cat-device__foot {
  margin-top: 14px;
  text-align: right;
  font-size: 10px;
  letter-spacing: .14em;
  color: rgba(201, 211, 221, .6);
}

/* ---------- 选型路径 ---------- */
.page-products .cat-path {
  padding: var(--pp-pad) 0;
  background: var(--mist);
  color: var(--ink);
}

.page-products .cat-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--silver-2);
  border: var(--hair) solid var(--silver-2);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .cat-step {
  background: #fff;
  padding: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 8px;
  border-left: 3px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-products .cat-step:hover {
  border-left-color: var(--cinnabar);
  background: var(--mist);
}

.page-products .cat-step__no {
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--terra);
}

.page-products .cat-step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
}

.page-products .cat-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 组合场景 ---------- */
.page-products .cat-scene {
  padding: var(--pp-pad) 0;
  background: var(--silver-2);
  color: var(--ink);
}

.page-products .cat-scene__grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 24px);
}

.page-products .cat-scene__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.8vw, 30px);
  background: linear-gradient(170deg, #fff 0%, #f8fbfd 100%);
  border: var(--hair) solid var(--silver);
  border-radius: var(--radius);
  box-shadow: 0 20px 46px -42px rgba(11, 29, 51, .8);
}

.page-products .cat-scene__card .tag {
  align-self: flex-start;
  color: var(--indigo);
  border-color: var(--indigo);
}

.page-products .cat-scene__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17.5px;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-products .cat-scene__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-products .cat-scene__combo {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--hair) dashed var(--silver);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--terra);
}

/* ---------- 收尾 ---------- */
.page-products .cat-close {
  padding: var(--pp-pad) 0;
  background: var(--ink);
  color: var(--mist);
  border-top: var(--hair) solid rgba(201, 211, 221, .16);
}

.page-products .cat-close__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: end;
}

.page-products .cat-close .eyebrow {
  color: var(--electric);
}

.page-products .cat-close h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.015em;
  font-size: clamp(23px, 3.4vw, 36px);
  color: var(--mist);
}

.page-products .cat-close .lede {
  color: var(--silver);
  font-size: 15px;
  line-height: 1.85;
  max-width: 58ch;
}

.page-products .cat-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .cat-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .cat-scene__card:last-child {
    grid-column: span 2;
  }

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

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-products .cat-hero__visual {
    align-self: stretch;
  }

  .page-products .cat-hero__visual img {
    height: 100%;
  }

  .page-products .cat-block__body {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .page-products .cat-block__body--flip .cat-block__fig {
    order: 2;
  }

  .page-products .cat-block__body--flip .cat-block__detail {
    order: 1;
  }

  .page-products .cat-block__detail--wide {
    grid-column: 1 / -1;
  }

  .page-products .svc-layout {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

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

  .page-products .cat-sync__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

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

  .page-products .cat-scene__card:last-child {
    grid-column: auto;
  }

  .page-products .cat-close__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  }
}

@media (min-width: 1100px) {
  .page-products .cat-path__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .cat-track__item {
    flex-basis: 0;
    flex-grow: 1;
    min-width: 190px;
  }
}

@media (max-width: 420px) {
  .page-products .svc-item {
    grid-template-columns: 1fr;
  }

  .page-products .svc-item__no {
    grid-row: auto;
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-track__item,
  .page-products .cat-chip,
  .page-products .cat-panel__marker,
  .page-products .cat-step {
    transition: none;
  }
}
<<<END>>>