/* ================= 型号查询中心 /apps/ ================= */
.page-products {
  --cat-rail-w: 138px;
  --cat-shot-filter: saturate(.78) contrast(1.05) brightness(.95);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  padding: calc(var(--header-h) + 52px) 0 clamp(40px, 5vw, 68px);
  background:
    radial-gradient(110% 80% at 92% -20%, rgba(124, 92, 255, .28), transparent 62%),
    radial-gradient(80% 70% at 4% 4%, rgba(47, 214, 198, .14), transparent 58%),
    var(--ink);
  border-bottom: 1px solid var(--rail);
  overflow: hidden;
}

.page-products .cat-frame {
  position: relative;
  margin-top: clamp(18px, 2.4vw, 30px);
  border: 1px solid var(--rail);
  padding: clamp(22px, 4vw, 52px);
  background: linear-gradient(180deg, rgba(22, 30, 69, .55), rgba(11, 16, 48, .18));
}

.page-products .cat-frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--rail) 0 1px, transparent 1px 22px);
}

.page-products .cat-frame .eyebrow {
  margin-top: 0;
}

.page-products .cat-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 9vw, 104px);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  color: var(--white);
}

.page-products .cat-hero-lede {
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.72;
  color: var(--silver);
  max-width: 62ch;
  margin: 20px 0 0;
}

/* 横向检索条 */
.page-products .cat-search {
  margin-top: clamp(26px, 3.4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--rail);
  background: var(--panel);
}

.page-products .cat-search-cell {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border-top: 1px solid var(--rail);
}

.page-products .cat-search-cell:first-child {
  border-top: 0;
}

.page-products .cat-search-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--violet);
}

.page-products .cat-search-val {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

.page-products .cat-search-hint {
  font-size: 13px;
  line-height: 1.5;
  color: var(--silver);
}

/* ---------- 移动端章节条 ---------- */
.page-products .cat-quicknav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0;
  border-bottom: 1px solid var(--rail);
  scrollbar-width: none;
}

.page-products .cat-quicknav::-webkit-scrollbar {
  display: none;
}

.page-products .cat-quicknav a {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--rail);
  padding: 7px 12px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .cat-quicknav a:hover,
.page-products .cat-quicknav a:focus-visible {
  border-color: var(--violet);
  color: var(--white);
}

/* ---------- 主栅格 ---------- */
.page-products .cat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-products .index-rail {
  display: none;
}

.page-products .cat-main>.section {
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--rail);
}

.page-products .cat-main>.section:first-child {
  padding-top: 0;
  border-top: 0;
}

/* ---------- 总览 ---------- */
.page-products .cat-band {
  margin: 0 0 clamp(24px, 3vw, 40px);
}

.page-products .cat-shot {
  position: relative;
  border: 1px solid var(--rail);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .cat-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--cat-shot-filter);
}

.page-products .cat-shot--wide {
  aspect-ratio: 8 / 5;
}

.page-products .cat-shot--band {
  aspect-ratio: 2 / 1;
}

.page-products .cat-shot--plate {
  aspect-ratio: 3 / 2;
}

.page-products .cat-shot--tall {
  aspect-ratio: 3 / 4;
}

.page-products .cat-band .media-caption {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

.page-products .cat-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rail);
  border: 1px solid var(--rail);
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-products .cat-figure {
  background: var(--panel);
  display: grid;
  gap: 8px;
  padding: 22px 20px;
}

.page-products .cat-figure-num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1;
  color: var(--white);
}

.page-products .cat-figure-label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 七大类分册 ---------- */
.page-products .cat-shelf {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 82%);
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding: 4px 4px 20px;
  margin-bottom: clamp(26px, 3.4vw, 44px);
  scrollbar-width: thin;
}

.page-products .cat-card {
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 248px;
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--rail);
  border-top: 4px solid var(--cat-line, var(--violet));
}

.page-products .cat-card[data-cat="2"] {
  --cat-line: var(--cyan);
}

.page-products .cat-card[data-cat="3"] {
  --cat-line: var(--silver);
}

.page-products .cat-card[data-cat="4"] {
  --cat-line: var(--violet);
}

.page-products .cat-card[data-cat="5"] {
  --cat-line: var(--cyan);
}

.page-products .cat-card[data-cat="6"] {
  --cat-line: var(--silver);
}

.page-products .cat-card[data-cat="7"] {
  --cat-line: var(--violet);
}

.page-products .cat-card-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
}

.page-products .cat-card-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
  color: var(--white);
}

.page-products .cat-card-count {
  font-family: var(--font-mono);
  font-size: 14px;
  margin: 0;
  color: var(--violet);
}

.page-products .cat-card-desc {
  font-size: 14px;
  line-height: 1.72;
  margin: 0;
  color: var(--silver);
}

/* ---------- 检索方式 ---------- */
.page-products .cat-steps {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 46px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rail);
  border: 1px solid var(--rail);
}

.page-products .cat-step {
  background: var(--panel);
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 20px;
}

.page-products .cat-step-no {
  font-family: var(--font-mono);
  font-size: 13px;
  padding-top: 5px;
  color: var(--violet);
}

.page-products .cat-step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--white);
}

.page-products .cat-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 68ch;
}

.page-products .cat-cross {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--rail);
  background: linear-gradient(160deg, rgba(35, 44, 92, .62), rgba(11, 16, 48, .42));
}

.page-products .cat-axes {
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-products .cat-axes line {
  stroke: var(--rail);
  stroke-width: 1.5;
}

.page-products .cat-axes circle {
  fill: var(--violet);
}

.page-products .cat-axes .cat-axes-dot {
  fill: var(--cyan);
}

.page-products .cat-axes .cat-axes-label {
  fill: var(--silver);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .cat-cross-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--white);
}

.page-products .cat-cross-body>p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 60ch;
}

.page-products .cat-scenes {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .cat-scenes li {
  border-left: 2px solid var(--violet);
  padding-left: 13px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-products .cat-scenes strong {
  color: var(--white);
  font-weight: 600;
}

.page-products .cat-scenes a {
  color: var(--cyan);
}

/* ---------- 编号构成 ---------- */
.page-products .cat-code-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .cat-code-photo {
  margin: 0;
}

.page-products .cat-code-photo .media-caption {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

.page-products .cat-code-string {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 16px 14px;
  background: var(--ink);
  border: 1px solid var(--rail);
}

.page-products .cat-code-seg {
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1;
  padding: 10px 15px;
  color: var(--white);
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.page-products .cat-code-seg[data-seg="1"] {
  background: rgba(124, 92, 255, .24);
  color: #CFC2FF;
}

.page-products .cat-code-seg[data-seg="2"] {
  background: rgba(195, 203, 221, .14);
  color: var(--silver);
}

.page-products .cat-code-seg[data-seg="3"] {
  background: rgba(47, 214, 198, .18);
  color: #A6F0E6;
}

.page-products .cat-code-seg:hover {
  transform: translateY(-3px);
}

.page-products .cat-code-sep {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--rail);
}

.page-products .cat-code-legend {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .cat-code-legend li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px;
  border: 1px solid var(--rail);
  font-size: 14px;
  line-height: 1.6;
  color: var(--silver);
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .cat-code-key {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--white);
}

.page-products .cat-code-visual:has(.cat-code-seg[data-seg="1"]:hover) .cat-code-legend li:nth-child(1),
.page-products .cat-code-visual:has(.cat-code-seg[data-seg="2"]:hover) .cat-code-legend li:nth-child(2),
.page-products .cat-code-visual:has(.cat-code-seg[data-seg="3"]:hover) .cat-code-legend li:nth-child(3) {
  background: rgba(35, 44, 92, .7);
  border-color: var(--violet);
  color: var(--white);
}

.page-products .cat-code-body .prose {
  margin-top: clamp(20px, 2.6vw, 30px);
}

/* ---------- 两端同源 ---------- */
.page-products .cat-mobile {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .cat-mobile-photo {
  margin: 0;
  max-width: 340px;
}

.page-products .cat-mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rail);
  border: 1px solid var(--rail);
}

.page-products .cat-mobile-list li {
  background: var(--panel);
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-products .cat-mobile-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding-top: 3px;
  color: var(--cyan);
}

.page-products .cat-mobile-note {
  margin: 18px 0 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
  max-width: 62ch;
}

/* ---------- 查不到型号 ---------- */
.page-products .cat-cta {
  margin-top: clamp(34px, 4.6vw, 56px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--rail);
  border-left: 4px solid var(--violet);
  background: var(--panel);
  display: grid;
  gap: 18px;
}

.page-products .cat-cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 56ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .cat-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .cat-search {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cat-search-cell {
    border-top: 0;
    border-left: 1px solid var(--rail);
  }

  .page-products .cat-search-cell:nth-child(odd) {
    border-left: 0;
  }

  .page-products .cat-search-cell:nth-child(n + 3) {
    border-top: 1px solid var(--rail);
  }
}

@media (min-width: 880px) {
  .page-products .cat-search {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-search-cell {
    border-top: 0;
    border-left: 1px solid var(--rail);
  }

  .page-products .cat-search-cell:first-child {
    border-left: 0;
  }

  .page-products .cat-cross {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: center;
  }

  .page-products .cat-code-layout {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .cat-mobile {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .cat-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 1080px) {
  .page-products .cat-quicknav {
    display: none;
  }

  .page-products .cat-layout {
    grid-template-columns: var(--cat-rail-w) minmax(0, 1fr);
    gap: 52px;
  }

  .page-products .index-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    border-left: 1px solid var(--rail);
    padding-left: 14px;
  }

  .page-products .rail-nav {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .page-products .rail-link {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.45;
    letter-spacing: .03em;
    color: var(--silver);
    text-decoration: none;
    transition: color .2s var(--ease);
  }

  .page-products .rail-link:hover,
  .page-products .rail-link[aria-current="true"] {
    color: var(--violet);
  }

  .page-products .cat-shelf {
    grid-auto-columns: minmax(300px, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-code-seg,
  .page-products .cat-code-legend li,
  .page-products .rail-link {
    transition: none;
  }

  .page-products .cat-code-seg:hover {
    transform: none;
  }
}