.page-products {
  --cat-hair: rgba(198, 206, 219, 0.28);
  --cat-hair-ink: rgba(11, 14, 20, 0.13);
  --cat-sticky-top: calc(var(--topbar-h) + 1.5rem);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--topbar-h) + clamp(2.25rem, 5.5vw, 4.75rem));
  padding-bottom: clamp(2.25rem, 4.5vw, 3.75rem);
}

.page-products .cat-hero .tex-grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -30%;
  width: 52%;
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(53, 224, 208, 0.16), transparent 62%);
  pointer-events: none;
}

.page-products .cat-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .cat-hero .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  color: var(--c-silver);
}

.page-products .cat-hero .breadcrumbs a {
  color: var(--c-silver);
  text-decoration: none;
}

.page-products .cat-hero .breadcrumbs a:hover {
  color: var(--c-cyan);
}

.page-products .cat-hero .breadcrumbs li[aria-current="page"] {
  color: rgba(246, 248, 252, 0.68);
}

.page-products .cat-hero__grid {
  align-items: end;
}

.page-products .cat-hero__lead h1 {
  color: var(--c-paper);
  font-family: var(--font-head);
  font-size: clamp(1.95rem, 4.2vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 0.35rem 0 1rem;
  max-width: 18ch;
}

.page-products .cat-hero__lead .eyebrow {
  color: var(--c-cyan);
}

.page-products .cat-hero__lead .lede {
  color: rgba(246, 248, 252, 0.78);
  max-width: 60ch;
  margin: 0;
}

.page-products .cat-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--cat-hair);
  border: 1px solid var(--cat-hair);
}

.page-products .cat-stat {
  display: grid;
  gap: 0.4rem;
  align-content: start;
  padding: 0.95rem 1.05rem;
  background: rgba(255, 255, 255, 0.045);
}

.page-products .cat-stat__v {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--c-orange);
  letter-spacing: 0.02em;
}

.page-products .cat-stat__l {
  font-size: 0.83rem;
  line-height: 1.5;
  color: rgba(246, 248, 252, 0.7);
}

.page-products .cat-jump {
  margin-top: clamp(1.75rem, 3.5vw, 2.75rem);
  border-top: 1px solid var(--cat-hair);
  padding-top: 1rem;
}

.page-products .cat-jump ul {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0 0 0.35rem;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .cat-jump a {
  display: inline-block;
  white-space: nowrap;
  font-size: 0.88rem;
  color: var(--c-silver);
  text-decoration: none;
  padding-bottom: 0.28rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .cat-jump a:hover,
.page-products .cat-jump a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 主体框架 ---------- */
.page-products .cat-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}

.page-products .cat-main {
  min-width: 0;
}

.page-products .cat-sec {
  padding-block: clamp(2rem, 4vw, 3.15rem);
  border-top: 1px solid var(--cat-hair-ink);
}

.page-products .cat-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .cat-sec__head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 0.7rem;
}

.page-products .cat-sec__no {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--c-blue);
}

.page-products .cat-sec--indy .cat-sec__no {
  color: var(--c-indy);
}

.page-products .cat-sec--teal .cat-sec__no {
  color: var(--c-teal);
}

.page-products .cat-sec__title {
  font-family: var(--font-head);
  font-size: clamp(1.24rem, 2.1vw, 1.62rem);
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0;
}

.page-products .cat-sec__note {
  color: var(--c-muted);
  max-width: 66ch;
  margin: 0 0 clamp(1.25rem, 2.5vw, 1.9rem);
}

.page-products .cat-inline-link {
  margin: clamp(1.25rem, 2.5vw, 1.75rem) 0 0;
  font-size: 0.92rem;
  color: var(--c-muted);
  border-left: 2px solid var(--c-cyan);
  padding-left: 0.9rem;
}

.page-products .cat-inline-link a,
.page-products .codes__side a {
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 87, 214, 0.35);
}

.page-products .cat-inline-link a:hover,
.page-products .codes__side a:hover {
  border-bottom-color: var(--c-blue);
}

.page-products .cat-figure {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
}

.page-products .cat-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--cat-hair-ink);
  filter: saturate(0.92) contrast(1.04);
}

.page-products .cat-figure .media__cap {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 01 产品主线 ---------- */
.page-products .lines {
  border-bottom: 1px solid var(--cat-hair-ink);
}

.page-products .line {
  border-top: 1px solid var(--cat-hair-ink);
}

.page-products .line__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-products .line__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.5rem 1rem;
  width: 100%;
  padding: 0.95rem 0.2rem;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--c-ink);
  font-family: var(--font-head);
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  font-weight: 700;
  letter-spacing: 0.015em;
  transition: color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-products .line__trigger:hover,
.page-products .line__trigger:focus-visible {
  color: var(--c-blue);
  background-color: rgba(22, 87, 214, 0.045);
}

.page-products .line__idx {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-products .line__name {
  min-width: 0;
}

.page-products .line__meta {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-orange);
  white-space: nowrap;
}

.page-products .line__chev {
  width: 9px;
  height: 9px;
  margin-top: -4px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.26s var(--ease), margin-top 0.26s var(--ease);
}

.page-products .line[data-open="true"] .line__chev {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-products .line__panel {
  padding: 0 0.2rem 1.4rem;
  animation: cat-panel-in 0.3s var(--ease) both;
}

@keyframes cat-panel-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .line__body p {
  margin: 0 0 0.9rem;
  color: var(--c-muted);
  max-width: 68ch;
}

.page-products .line__specs {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--cat-hair-ink);
  border: 1px solid var(--cat-hair-ink);
}

.page-products .line__specs > div {
  display: grid;
  grid-template-columns: minmax(5.5rem, 7rem) minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--c-paper);
}

.page-products .line__specs dt {
  font-size: 0.82rem;
  color: var(--c-muted);
}

.page-products .line__specs dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--c-ink);
  line-height: 1.6;
}

/* ---------- 02 起订分档 ---------- */
.page-products .moq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--cat-hair-ink);
  border: 1px solid var(--cat-hair-ink);
}

.page-products .moq-step {
  position: relative;
  padding: 1.35rem 1.25rem 1.5rem;
  background: var(--c-paper);
}

.page-products .moq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--c-indy);
}

.page-products .moq-step:nth-child(2)::before {
  background: var(--c-blue);
}

.page-products .moq-step:nth-child(3)::before {
  background: var(--c-orange);
}

.page-products .moq-step__tag {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-paper);
  background: var(--c-indy);
  padding: 0.24rem 0.6rem;
}

.page-products .moq-step:nth-child(2) .moq-step__tag {
  background: var(--c-blue);
}

.page-products .moq-step:nth-child(3) .moq-step__tag {
  background: var(--c-orange);
}

.page-products .moq-step__title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  margin: 0.8rem 0 0.5rem;
  color: var(--c-ink);
}

.page-products .moq-step p {
  margin: 0 0 0.85rem;
  font-size: 0.93rem;
  color: var(--c-muted);
}

.page-products .moq-step__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.page-products .moq-step__list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.88rem;
  color: var(--c-ink);
  line-height: 1.6;
}

.page-products .moq-step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1px;
  background: var(--c-muted);
}

.page-products .moq-upgrade {
  margin-top: clamp(1.35rem, 3vw, 2rem);
  padding: 1.2rem 1.25rem 1.35rem;
  background: rgba(43, 42, 110, 0.06);
  border-left: 2px solid var(--c-indy);
}

.page-products .moq-upgrade__title {
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.75rem;
  color: var(--c-indy);
}

.page-products .moq-upgrade__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .moq-upgrade__list li {
  font-size: 0.9rem;
  color: var(--c-ink);
  padding-left: 1rem;
  position: relative;
  line-height: 1.7;
}

.page-products .moq-upgrade__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background: var(--c-cyan);
}

/* ---------- 03 授权等级 ---------- */
.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--cat-hair-ink);
  -webkit-overflow-scrolling: touch;
}

.page-products .auth-table {
  min-width: 620px;
  width: 100%;
}

.page-products .auth-table caption {
  text-align: left;
  padding: 0.75rem 0.9rem;
  font-size: 0.82rem;
  color: var(--c-muted);
  background: rgba(43, 42, 110, 0.06);
}

.page-products .auth-table th[scope="row"] {
  font-weight: 600;
}

.page-products .auth-notes {
  margin-top: clamp(1.35rem, 3vw, 2rem);
}

.page-products .auth-notes h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--cat-hair-ink);
  color: var(--c-indy);
}

.page-products .auth-notes p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--c-muted);
}

/* ---------- 04 检测 ---------- */
.page-products .tests {
  display: grid;
  gap: 1px;
  background: var(--cat-hair-ink);
  border: 1px solid var(--cat-hair-ink);
}

.page-products .tests__group {
  padding: 1.1rem 1.15rem 1.3rem;
  background: rgba(12, 74, 69, 0.05);
}

.page-products .tests__group--sched {
  background: var(--c-paper);
}

.page-products .tests__title {
  font-family: var(--font-head);
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.9rem;
  color: var(--c-teal);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.page-products .tests__title .num {
  font-size: 0.85rem;
  color: var(--c-muted);
}

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

.page-products .chip {
  font-size: 0.83rem;
  line-height: 1.5;
  padding: 0.3rem 0.65rem;
  color: var(--c-teal);
  background: rgba(12, 74, 69, 0.09);
  border: 1px solid rgba(12, 74, 69, 0.22);
  white-space: nowrap;
}

.page-products .chip--accent {
  color: #A8430E;
  background: rgba(255, 106, 31, 0.08);
  border-color: rgba(255, 106, 31, 0.32);
}

/* ---------- 05 应用场景 ---------- */
.page-products .scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--cat-hair-ink);
  border: 1px solid var(--cat-hair-ink);
}

.page-products .scene {
  position: relative;
  padding: 1.2rem 1.15rem 1.35rem;
  background: var(--c-paper);
}

.page-products .scene__tag {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-blue);
  margin-bottom: 0.5rem;
}

.page-products .scene__title {
  font-family: var(--font-head);
  font-size: 1.04rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.55rem;
  color: var(--c-ink);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--cat-hair-ink);
}

.page-products .scene p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: var(--c-muted);
}

.page-products .scene__hint {
  font-size: 0.83rem !important;
  color: var(--c-ink) !important;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--cat-hair-ink);
}

/* ---------- 06 交付六步 ---------- */
.page-products .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--cat-hair-ink);
  border: 1px solid var(--cat-hair-ink);
  counter-reset: flow;
}

.page-products .flow__item {
  position: relative;
  padding: 1.15rem 1.2rem 1.3rem;
  background: var(--c-paper);
}

.page-products .flow__no {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-teal);
  margin-bottom: 0.45rem;
}

.page-products .flow__title {
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  color: var(--c-ink);
}

.page-products .flow__item > p {
  margin: 0 0 0.65rem;
  font-size: 0.89rem;
  color: var(--c-muted);
}

.page-products .flow__need {
  font-size: 0.83rem !important;
  color: var(--c-ink) !important;
  padding-top: 0.55rem;
  border-top: 1px solid var(--cat-hair-ink);
}

.page-products .flow__need span {
  display: inline-block;
  margin-right: 0.45rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  background: var(--c-teal);
  padding: 0.12rem 0.4rem;
}

/* ---------- 07 料号 ---------- */
.page-products .codes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-products .codes__table {
  overflow-x: auto;
  border: 1px solid var(--cat-hair-ink);
  -webkit-overflow-scrolling: touch;
}

.page-products .codes__table table {
  min-width: 420px;
  width: 100%;
}

.page-products .codes__table caption {
  text-align: left;
  padding: 0.75rem 0.9rem;
  font-size: 0.82rem;
  color: var(--c-muted);
  background: rgba(43, 42, 110, 0.06);
}

.page-products .codes__side p {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--c-muted);
}

.page-products .codes__side .cat-figure {
  margin-top: 0;
}

/* ---------- 粘性参数面板 ---------- */
.page-products .cat-side {
  min-width: 0;
}

.page-products .cat-side__inner {
  border: 1px solid var(--cat-hair-ink);
  background: var(--c-paper);
  padding: 1.1rem 1.1rem 1.25rem;
  box-shadow: 0 20px 44px -34px rgba(11, 14, 20, 0.55);
}

.page-products .cat-side__title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin: 0 0 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--c-indy);
  color: var(--c-indy);
}

.page-products .spec-list {
  margin: 0 0 1rem;
  display: grid;
  gap: 0.7rem;
}

.page-products .spec-list__row {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--cat-hair-ink);
}

.page-products .spec-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .spec-list dt {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-products .spec-list dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--c-ink);
}

.page-products .spec-list dd.num {
  color: var(--c-blue);
  font-weight: 600;
}

.page-products .side-links {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.page-products .side-links a {
  font-size: 0.85rem;
  color: var(--c-muted);
  text-decoration: none;
  padding-left: 0.85rem;
  position: relative;
  transition: color 0.2s var(--ease);
}

.page-products .side-links a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: var(--c-cyan);
  transition: width 0.2s var(--ease);
}

.page-products .side-links a:hover {
  color: var(--c-blue);
}

.page-products .side-links a:hover::before {
  width: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .moq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-products .scenes {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .scene:nth-child(1),
  .page-products .scene:nth-child(2) {
    grid-column: span 3;
  }

  .page-products .scene:nth-child(3),
  .page-products .scene:nth-child(4),
  .page-products .scene:nth-child(5) {
    grid-column: span 2;
  }

  .page-products .codes {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .cat-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(2.25rem, 4vw, 3.5rem);
  }

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

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

@media (max-width: 699px) {
  .page-products .line__trigger {
    grid-template-columns: auto minmax(0, 1fr) auto;
    row-gap: 0.25rem;
  }

  .page-products .line__meta {
    grid-column: 2 / 3;
    color: var(--c-muted);
  }

  .page-products .line__chev {
    grid-column: 3 / 4;
    grid-row: 1 / 3;
    align-self: center;
  }

  .page-products .line__specs > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .line__panel {
    animation: none;
  }

  .page-products .line__chev,
  .page-products .line__trigger,
  .page-products .cat-jump a,
  .page-products .side-links a {
    transition: none;
  }
}