.page-products {
  --apps-hair: rgba(243, 236, 224, .13);
  --apps-hair-strong: rgba(243, 236, 224, .3);
  --apps-track: rgba(243, 236, 224, .07);
  --apps-cyan-soft: rgba(53, 224, 210, .12);
  background: var(--ink-950);
  color: var(--cream-50);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-products .apps-crumb {
  padding: 18px 0 4px;
  background: var(--ink-950);
}
.page-products .apps-crumb .breadcrumb {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
}

/* ---------- 首屏 ---------- */
.page-products .apps-hero {
  position: relative;
  padding: clamp(24px, 4vw, 46px) 0 clamp(34px, 5vw, 64px);
  background:
    radial-gradient(120% 140% at 88% 6%, rgba(53, 224, 210, .16) 0%, rgba(8, 19, 31, 0) 58%),
    linear-gradient(162deg, var(--ink-950) 0%, var(--ink-900) 58%, #0c2337 100%);
  border-bottom: 1px solid var(--apps-hair);
}
.page-products .apps-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: center;
}
.page-products .apps-hero-copy { min-width: 0; }
.page-products .apps-kicker {
  color: var(--ember-500);
  margin: 0 0 16px;
  display: inline-block;
  border-bottom: 1px solid rgba(196, 71, 42, .5);
  padding-bottom: 6px;
}
.page-products .apps-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.06;
  letter-spacing: -.01em;
  font-weight: 400;
  color: var(--cream-50);
}
.page-products .apps-hero .lede {
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
  margin: 0;
}
.page-products .apps-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--apps-hair);
}
.page-products .apps-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-products .apps-fact-num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.8vw, 46px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--cyan-400);
}
.page-products .apps-fact-unit {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-700);
}
.page-products .apps-fact-note {
  font-style: normal;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--text-dim);
}

/* 首屏仪表视觉 */
.page-products .apps-hero-visual { min-width: 0; }
.page-products .dial {
  position: relative;
  width: min(320px, 74vw);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  border-radius: 50%;
  border: 1px solid var(--apps-hair-strong);
  background:
    radial-gradient(circle at 50% 62%, rgba(53, 224, 210, .14) 0%, rgba(8, 19, 31, 0) 66%),
    var(--ink-900);
  display: grid;
  place-items: center;
}
.page-products .dial-ring {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: repeating-conic-gradient(from -90deg, rgba(243, 236, 224, .3) 0deg .7deg, transparent .7deg 12deg);
  -webkit-mask: radial-gradient(circle, transparent 0 76%, #000 76% 100%);
  mask: radial-gradient(circle, transparent 0 76%, #000 76% 100%);
}
.page-products .dial-needle {
  position: absolute;
  left: 50%;
  bottom: 50%;
  width: 2px;
  height: 34%;
  background: linear-gradient(to top, var(--cyan-400) 0%, rgba(53, 224, 210, 0) 100%);
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(52deg);
}
.page-products .dial-core {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.page-products .dial-value {
  font-family: var(--font-mono);
  font-size: clamp(44px, 8vw, 72px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--cream-50);
}
.page-products .dial-unit {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-400);
}

/* ---------- 横向数据带 ---------- */
.page-products .apps-band {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 18px var(--gut);
  background: rgba(20, 48, 74, .38);
  border-bottom: 1px solid var(--apps-hair);
  -webkit-overflow-scrolling: touch;
}
.page-products .apps-band .data-cell {
  flex: 0 0 auto;
  min-width: 178px;
  padding: 4px 22px 4px 0;
  margin-right: 22px;
  border-right: 1px solid var(--apps-hair);
  scroll-snap-align: start;
}
.page-products .apps-band .data-cell:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}
.page-products .apps-band .data-key {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-dim);
}
.page-products .apps-band .data-val {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--cyan-400);
}
.page-products .apps-band .data-val.is-amber { color: var(--amber-400); }
.page-products .apps-band-wide { border-top: 1px solid var(--apps-hair); }

/* ---------- 段落索引 ---------- */
.page-products .scale-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  padding: 16px var(--gut);
  border-bottom: 1px solid var(--apps-hair);
  font-size: 13px;
  letter-spacing: .04em;
}
.page-products .scale-jump-label {
  color: var(--brown-500);
  margin-right: 4px;
}
.page-products .apps-link {
  color: var(--cyan-400);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size 180ms var(--ease), color 180ms var(--ease);
}
.page-products .apps-link:hover,
.page-products .apps-link:focus-visible {
  background-size: 100% 1px;
  color: var(--cream-50);
}

/* ---------- 章节 ---------- */
.page-products .apps-chapter {
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--apps-hair);
}
.page-products .apps-chapter-last { border-bottom: 0; }
.page-products .apps-chapter .chapter-num {
  color: rgba(243, 236, 224, .3);
}
.page-products .apps-chapter.is-inview .chapter-num,
.page-products .apps-chapter [data-reveal].is-inview .chapter-num {
  color: var(--cyan-400);
  transition: color 240ms var(--ease);
}
.page-products .apps-chapter .chapter-title {
  font-weight: 400;
  color: var(--cream-50);
}
.page-products .apps-chapter .chapter-note {
  color: var(--text-dim);
  max-width: 60ch;
}

/* ---------- 非对称双栏 ---------- */
.page-products .apps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(26px, 4vw, 44px);
}
.page-products .apps-main,
.page-products .apps-aside { min-width: 0; }

.page-products .apps-aside {
  border-top: 2px solid var(--ember-500);
  padding-top: 18px;
}
.page-products .apps-aside-title {
  color: var(--cyan-400);
  margin: 0 0 14px;
}
.page-products .apps-aside-title + .apps-aside-title { margin-top: 26px; }
.page-products .apps-aside-list {
  margin: 0 0 22px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
}
.page-products .apps-aside-list li { margin-bottom: 8px; }
.page-products .apps-aside-list-plain { list-style: none; padding-left: 0; }
.page-products .apps-aside-list-plain li {
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--apps-hair);
  color: var(--cream-50);
  font-size: 14px;
}
.page-products .apps-aside-list-plain li:last-child { border-bottom: 0; }
.page-products .apps-aside-links {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-size: 14px;
  line-height: 1.9;
}
.page-products .apps-aside-note {
  color: rgba(53, 224, 210, .55);
  margin: 0;
}

/* ---------- 图片框 ---------- */
.page-products .apps-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border: 1px solid var(--apps-hair);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-900);
}
.page-products .apps-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
}
.page-products .apps-figure .media-caption {
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--text-dim);
  border-top: 1px solid var(--apps-hair);
  background: rgba(8, 19, 31, .5);
}
.page-products .apps-figure-wide { border-left: 0; border-right: 0; border-radius: 0; }
.page-products .apps-figure-tall { margin-bottom: 26px; }

/* ---------- 设备要求表 ---------- */
.page-products .apps-paper {
  padding: clamp(18px, 3vw, 30px);
  color: var(--brown-900);
}
.page-products .apps-table-title {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--brown-900);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ember-500);
}
.page-products .apps-table-title .num {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}
.page-products .table-scroll { overflow-x: auto; }
.page-products .apps-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}
.page-products .apps-table caption {
  text-align: left;
  padding: 0 0 12px;
  color: var(--brown-500);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
}
.page-products .apps-table th,
.page-products .apps-table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 14px;
  border-top: 1px solid transparent;
  border-bottom: 1px solid var(--line-print);
  color: var(--brown-900);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}
.page-products .apps-table thead th {
  background: var(--cream-100);
  border-bottom: 1px solid var(--line-print);
  font-size: 12px;
  letter-spacing: .16em;
  font-weight: 500;
  color: var(--brown-500);
  white-space: nowrap;
}
.page-products .apps-table tbody th {
  font-weight: 500;
  white-space: nowrap;
}
.page-products .apps-table tbody tr:hover td,
.page-products .apps-table tbody tr:hover th,
.page-products .apps-table tbody tr:focus-within td,
.page-products .apps-table tbody tr:focus-within th {
  border-top-color: var(--cyan-400);
  background: rgba(53, 224, 210, .08);
}
.page-products .apps-table .row-note {
  font-size: 13px;
  line-height: 1.55;
  color: var(--brown-500);
  opacity: 0;
  transition: opacity 180ms var(--ease);
}
.page-products .apps-table tbody tr:hover .row-note,
.page-products .apps-table tbody tr:focus-within .row-note { opacity: 1; }
.page-products .apps-table .tag { margin-right: 4px; }

/* ---------- 延迟标尺 ---------- */
.page-products .scale-stage {
  position: relative;
  margin-top: clamp(24px, 3vw, 34px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--apps-hair-strong);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(20, 48, 74, .62) 0%, rgba(11, 27, 43, .9) 100%);
}
.page-products .scale-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.page-products .scale-switch {
  display: inline-flex;
  flex-wrap: wrap;
  border: 1px solid var(--apps-hair-strong);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.page-products .scale-tab {
  padding: 9px 22px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--text-dim);
  cursor: pointer;
  border-right: 1px solid var(--apps-hair);
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}
.page-products .scale-tab:last-child { border-right: 0; }
.page-products .scale-tab:hover { color: var(--cream-50); background: var(--apps-cyan-soft); }
.page-products #clarity-sd:checked ~ .scale-switch label[for="clarity-sd"],
.page-products #clarity-hd:checked ~ .scale-switch label[for="clarity-hd"],
.page-products #clarity-uhd:checked ~ .scale-switch label[for="clarity-uhd"] {
  background: var(--cyan-400);
  color: var(--ink-950);
  font-weight: 500;
}
.page-products #clarity-sd:focus-visible ~ .scale-switch label[for="clarity-sd"],
.page-products #clarity-hd:focus-visible ~ .scale-switch label[for="clarity-hd"],
.page-products #clarity-uhd:focus-visible ~ .scale-switch label[for="clarity-uhd"] {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-products .scale-panels { margin-top: clamp(22px, 3vw, 30px); }
.page-products .scale-panel { display: none; }
.page-products #clarity-sd:checked ~ .scale-panels .scale-panel[data-panel="sd"],
.page-products #clarity-hd:checked ~ .scale-panels .scale-panel[data-panel="hd"],
.page-products #clarity-uhd:checked ~ .scale-panels .scale-panel[data-panel="uhd"] {
  display: block;
}

.page-products .scale-readout {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 22px;
}
.page-products .scale-readout-label { color: var(--cyan-700); }
.page-products .scale-readout-num {
  font-family: var(--font-mono);
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--cyan-400);
}
.page-products .scale-readout-unit {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-products .scale-ruler {
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}
.page-products .scale-line {
  position: relative;
  height: 26px;
  min-width: 520px;
  background-color: var(--apps-track);
  background-image: repeating-linear-gradient(
    to right,
    rgba(243, 236, 224, .16) 0 1px,
    transparent 1px 12.5%
  );
  border: 1px solid var(--apps-hair);
  border-radius: var(--r-sm);
  overflow: hidden;
  scroll-snap-align: start;
}
.page-products .scale-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(53, 224, 210, .16) 0%, rgba(53, 224, 210, .74) 100%);
  border-right: 2px solid var(--cyan-400);
}
.page-products .scale-panel[data-panel="sd"] .scale-fill { width: 50%; }
.page-products .scale-panel[data-panel="hd"] .scale-fill { width: 75%; }
.page-products .scale-panel[data-panel="uhd"] .scale-fill { width: 100%; }

.page-products .scale-ticks {
  display: flex;
  justify-content: space-between;
  min-width: 520px;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
  scroll-snap-align: start;
}
.page-products .scale-axis-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}
.page-products .scale-overflow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(242, 169, 75, .35);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--amber-400);
}
.page-products .scale-overflow::before {
  content: "";
  flex: 0 0 auto;
  width: 44px;
  height: 2px;
  background: var(--amber-400);
  box-shadow: 0 0 0 3px rgba(242, 169, 75, .16);
}
.page-products .scale-overflow .num {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

/* ---------- 分辨率与帧率 ---------- */
.page-products .apps-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(24px, 3vw, 38px);
  align-items: start;
}
.page-products .res-list {
  display: grid;
  gap: 0;
  align-content: start;
}
.page-products .res-item {
  background: var(--cream-50);
  border-left: 3px solid var(--cyan-400);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 16px 18px;
  margin-bottom: 12px;
  transition: transform 160ms var(--ease), border-left-color 160ms var(--ease);
}
.page-products .res-item:last-child { margin-bottom: 0; }
.page-products .res-item:hover {
  transform: translateX(3px);
  border-left-color: var(--amber-400);
}
.page-products .res-item h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--brown-900);
}
.page-products .res-num {
  margin: 0 0 6px;
  font-size: 26px;
  line-height: 1;
  color: var(--cyan-700);
}
.page-products .res-num .num {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}
.page-products .res-item p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--brown-500);
}
.page-products .apps-afterword {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--amber-600);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 74ch;
}

/* ---------- 抽测记录 ---------- */
.page-products .apps-layout-sampling { margin-top: clamp(24px, 4vw, 40px); }
.page-products .prose p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-products .prose p:last-child { margin-bottom: 0; }
.page-products .prose .num {
  font-family: var(--font-mono);
  letter-spacing: .06em;
  color: var(--cream-50);
}

/* ---------- 口径清单 ---------- */
.page-products .apps-split-caliber { margin-top: clamp(24px, 4vw, 40px); }
.page-products .caliber-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .caliber-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--apps-hair);
}
.page-products .caliber-list li:first-child { padding-top: 0; }
.page-products .caliber-key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-400);
}
.page-products .caliber-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .caliber-list li {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .apps-hero-inner {
    grid-template-columns: 6fr 4fr;
  }
  .page-products .apps-layout {
    grid-template-columns: minmax(0, 62fr) minmax(0, 34fr);
    justify-content: space-between;
  }
  .page-products .apps-split {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }
  .page-products .apps-split-caliber {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }
  .page-products .apps-aside-caliber { position: sticky; top: 84px; }
}

@media (max-width: 719px) {
  .page-products .apps-hero-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
  .page-products .apps-hero-facts li {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
  }
  .page-products .apps-fact-note { flex: 1 0 100%; }
  .page-products .scale-tab { padding: 8px 15px; font-size: 12px; }
  .page-products .apps-band .data-cell { min-width: 150px; }
}

@media (hover: none) {
  .page-products .apps-table .row-note { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .apps-link,
  .page-products .apps-table th,
  .page-products .apps-table td,
  .page-products .apps-table .row-note,
  .page-products .res-item,
  .page-products .scale-tab {
    transition: none;
  }
  .page-products .res-item:hover { transform: none; }
}