.page-products {
  --cat-card-bg: linear-gradient(180deg, rgba(18, 44, 74, 0.92), rgba(11, 27, 46, 0.96));
  --cat-cell-bg: rgba(11, 27, 46, 0.92);
  --cat-pad: clamp(1.15rem, 2.6vw, 2rem);
  --cat-gap: clamp(1.25rem, 3vw, 2.25rem);
  --cat-shift: clamp(0px, 4.5vw, 64px);
  color: var(--white);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}
.page-products .breadcrumb__item--sep {
  color: var(--muted);
  margin-inline: 0.35rem;
}

/* ---------- 首屏 ---------- */
.page-products .catalog-hero {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
}
.page-products .catalog-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 320px;
  background: radial-gradient(680px 260px at 12% 0%, rgba(34, 240, 200, 0.14), transparent 70%),
    radial-gradient(520px 240px at 88% 8%, rgba(124, 92, 255, 0.16), transparent 72%);
  pointer-events: none;
}
.page-products .catalog-hero__title {
  margin: 0.6rem 0 0;
  max-width: 18ch;
}
.page-products .catalog-hero__lede {
  margin-top: 1.15rem;
  max-width: 60ch;
  color: var(--silver);
}
.page-products .catalog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}
.page-products .catalog-hero__stats {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.page-products .catalog-hero__stats .stat {
  display: block;
  background: var(--cat-cell-bg);
  padding: 1rem 1.1rem;
}
.page-products .catalog-hero__stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  line-height: 1.1;
  color: var(--neon);
}
.page-products .catalog-hero__stats .stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.84rem;
  color: var(--muted);
}

/* ---------- 目录式主区 ---------- */
.page-products .catalog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .catalog-index__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.page-products .catalog-index__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.7rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-products .catalog-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  padding: 0.5rem 0.85rem;
  font-size: 0.92rem;
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(14, 58, 70, 0.35);
  transition: color 0.22s var(--ease-out), border-color 0.22s var(--ease-out), background 0.22s var(--ease-out);
}
.page-products .catalog-index__link .mono {
  font-size: 0.78rem;
  color: var(--neon);
}
.page-products .catalog-index__link:hover,
.page-products .catalog-index__link:focus-visible {
  color: var(--white);
  border-color: rgba(34, 240, 200, 0.65);
  background: rgba(34, 240, 200, 0.12);
}

/* ---------- 功能卡 ---------- */
.page-products .catalog-flow {
  display: grid;
  gap: var(--cat-gap);
}
.page-products .catalog-card {
  position: relative;
  background: var(--cat-card-bg);
  padding: var(--cat-pad);
  scroll-margin-top: 6.5rem;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}
.page-products .catalog-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--neon));
}
.page-products .catalog-card--left::before {
  background: linear-gradient(90deg, var(--violet), var(--neon));
}
.page-products .catalog-card__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
}
.page-products .catalog-card__title {
  margin: 0;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
}
.page-products .catalog-card .prose {
  color: var(--silver);
  max-width: 64ch;
}
.page-products .catalog-note {
  margin-top: 1rem;
  font-size: 0.94rem;
  color: var(--muted);
}
.page-products .catalog-link {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 240, 200, 0.4);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}
.page-products .catalog-link:hover,
.page-products .catalog-link:focus-visible {
  color: var(--brand-soft);
  border-color: var(--brand-soft);
}

/* ---------- 四层维度 ---------- */
.page-products .catalog-dims {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}
.page-products .catalog-dim {
  background: var(--cat-cell-bg);
  padding: 1rem 1.1rem;
}
.page-products .catalog-dim__name {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}
.page-products .catalog-dim__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 0.76rem;
  color: var(--ink);
  background: var(--neon);
  clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%);
}
.page-products .catalog-dim__text {
  margin: 0.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .catalog-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 图片容器 ---------- */
.page-products .catalog-media {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
}
.page-products .catalog-media .img-frame__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .catalog-media .img-frame__caption {
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------- 折叠面板 ---------- */
.page-products .catalog-accordion {
  margin-top: 1.2rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.page-products .catalog-accordion .accordion__head {
  cursor: pointer;
  color: var(--silver);
  font-size: 0.95rem;
  list-style: none;
}
.page-products .catalog-accordion .accordion__head::-webkit-details-marker {
  display: none;
}
.page-products .catalog-accordion .accordion__head::before {
  content: "+";
  display: inline-block;
  width: 1.1em;
  color: var(--neon);
  font-family: var(--font-mono);
}
.page-products .catalog-accordion[open] .accordion__head::before {
  content: "−";
}
.page-products .catalog-accordion .accordion__body {
  padding-top: 0.75rem;
}
.page-products .catalog-detail-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}
.page-products .catalog-detail-list li + li {
  margin-top: 0.4rem;
}

/* ---------- 版本对照 ---------- */
.page-products .catalog-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 1.2rem;
  background: var(--line);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}
.page-products .catalog-compare__col {
  background: var(--cat-cell-bg);
  padding: 1rem 1.1rem;
}
.page-products .catalog-compare__col--now {
  background: linear-gradient(180deg, rgba(14, 58, 70, 0.7), rgba(11, 27, 46, 0.92));
}
.page-products .catalog-compare__label {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-products .catalog-compare__col--now .catalog-compare__label {
  color: var(--neon);
}
.page-products .catalog-compare__text {
  margin: 0.5rem 0 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 指标 ---------- */
.page-products .catalog-metrics-wrap {
  margin-top: 1.25rem;
}
.page-products .catalog-metric-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}
.page-products .catalog-metric {
  background: var(--cat-cell-bg);
  padding: 0.75rem 0.9rem;
}
.page-products .catalog-metric__name {
  font-size: 0.9rem;
  color: var(--silver);
}
.page-products .catalog-metric:nth-child(3n + 1) {
  border-left: 2px solid rgba(34, 240, 200, 0.5);
}
.page-products .catalog-metric:nth-child(3n + 2) {
  border-left: 2px solid rgba(255, 74, 28, 0.45);
}
.page-products .catalog-metric:nth-child(3n) {
  border-left: 2px solid rgba(199, 208, 218, 0.3);
}
.page-products .catalog-panel {
  margin-top: 1rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(14, 58, 70, 0.6), rgba(11, 27, 46, 0.9));
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
}
.page-products .catalog-panel__chart {
  display: block;
  width: 100%;
  height: auto;
  max-width: 420px;
}
.page-products .catalog-panel__caption {
  margin: 0.6rem 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 排名步骤 ---------- */
.page-products .catalog-steps {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}
.page-products .catalog-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 1rem 1.05rem;
  background: rgba(11, 27, 46, 0.9);
  border-left: 2px solid var(--brand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}
.page-products .catalog-step__no {
  font-size: 1.35rem;
  line-height: 1;
  color: var(--neon);
}
.page-products .catalog-step__title {
  margin: 0;
  font-size: 1.05rem;
  color: var(--white);
}
.page-products .catalog-step__text {
  margin: 0.4rem 0 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 极速访问 ---------- */
.page-products .catalog-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.25rem;
}
.page-products .catalog-split__panel {
  padding: 1.05rem 1.15rem;
}
.page-products .catalog-split__label {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--brand-soft);
}
.page-products .catalog-split__text {
  margin: 0.5rem 0 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 更新节奏带 ---------- */
.page-products .catalog-rhythm {
  position: relative;
  margin-top: 1.4rem;
}
.page-products .catalog-rhythm__track {
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon), rgba(34, 240, 200, 0.08));
}
.page-products .catalog-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.6rem;
  display: grid;
  gap: 1.2rem;
}
.page-products .catalog-rhythm__item {
  position: relative;
}
.page-products .catalog-rhythm__dot {
  position: absolute;
  left: -1.6rem;
  top: 0.32rem;
  width: 14px;
  height: 14px;
  background: var(--ink);
  border: 2px solid var(--neon);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-products .catalog-rhythm__when {
  margin: 0;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--amber);
}
.page-products .catalog-rhythm__what {
  margin: 0.4rem 0 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 使用场景 ---------- */
.page-products .catalog-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.2rem;
}
.page-products .catalog-scene {
  padding: 1.05rem 1.15rem;
  background: rgba(14, 58, 70, 0.42);
  border-top: 2px solid rgba(124, 92, 255, 0.6);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
}
.page-products .catalog-scene__no {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--violet);
}
.page-products .catalog-scene__title {
  margin: 0.5rem 0 0;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--white);
}
.page-products .catalog-scene__text {
  margin: 0.45rem 0 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .catalog-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .catalog-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .catalog-metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .catalog-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .catalog-split,
  .page-products .catalog-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .catalog-layout {
    grid-template-columns: minmax(180px, 216px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }
  .page-products .catalog-index {
    position: sticky;
    top: 6.5rem;
  }
  .page-products .catalog-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0.35rem;
  }
  .page-products .catalog-index__link {
    width: 100%;
    border-radius: 0;
    padding: 0.55rem 0.9rem;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  }
  .page-products .catalog-card {
    padding: clamp(1.5rem, 2.4vw, 2.25rem);
  }
  .page-products .catalog-card--right {
    margin-left: var(--cat-shift);
  }
  .page-products .catalog-card--left {
    margin-right: var(--cat-shift);
  }
  .page-products .catalog-metrics-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 1rem;
    align-items: start;
  }
  .page-products .catalog-panel {
    margin-top: 0;
  }
  .page-products .catalog-rhythm__track {
    left: 0;
    right: 0;
    top: 7px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--neon), rgba(34, 240, 200, 0.1));
  }
  .page-products .catalog-rhythm__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    padding: 1.9rem 0 0;
  }
  .page-products .catalog-rhythm__dot {
    left: 0;
    top: -1.9rem;
  }
  .page-products .catalog-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .catalog-scenes .catalog-scene:nth-child(2) {
    transform: translateY(14px);
  }
  .page-products .catalog-media--square .img-frame__media {
    max-width: 460px;
  }
  .page-products .catalog-media--narrow .img-frame__media {
    max-width: 620px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .catalog-index__link,
  .page-products .catalog-link {
    transition: none;
  }
  .page-products .catalog-scenes .catalog-scene:nth-child(2) {
    transform: none;
  }
}