.page-products {
  --pp-amber-ink: #8C5E0E;
  --pp-soft: #C6D2E6;
  --pp-hair: rgba(135, 152, 181, 0.25);
  --pp-pad: clamp(52px, 7vw, 104px);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */

.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 4vw, 48px) clamp(48px, 6.5vw, 88px);
  background:
    radial-gradient(88% 120% at 94% -12%, rgba(61, 255, 160, 0.16), transparent 58%),
    radial-gradient(70% 90% at 4% 108%, rgba(255, 178, 58, 0.1), transparent 62%),
    linear-gradient(180deg, #0A1526 0%, var(--ink-900) 82%);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 178, 58, 0.55), rgba(61, 255, 160, 0.4), transparent);
  pointer-events: none;
}

.page-products .prod-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-products .prod-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-products .prod-hero__copy h1 {
  margin: 0;
  max-width: 18ch;
  color: var(--chalk);
}

.page-products .prod-hero__copy .lede {
  margin: 0;
  max-width: 46ch;
}

.page-products .prod-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-products .prod-hero__map {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 0;
}

.page-products .prod-map__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(158deg, rgba(22, 41, 74, 0.94), rgba(12, 26, 48, 0.94));
  color: var(--chalk);
  text-decoration: none;
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease), background 0.26s var(--ease);
}

.page-products .prod-map__item:hover,
.page-products .prod-map__item:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon);
  background: linear-gradient(158deg, rgba(28, 52, 92, 0.96), rgba(14, 30, 56, 0.96));
}

.page-products .prod-map__idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products .prod-map__name {
  font-size: 14px;
  line-height: 1.55;
  font-weight: 500;
}

.page-products .filter-status {
  margin-top: 20px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ============ 四条数据线 ============ */

.page-products .prod-line {
  position: relative;
  isolation: isolate;
  padding-block: var(--pp-pad);
}

.page-products .prod-line::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(140deg, #10233F 0%, var(--ink-800) 70%);
  clip-path: polygon(0 30px, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-products .prod-line--alt::before {
  background: linear-gradient(200deg, #16294A 0%, #0B1730 72%);
}

.page-products .prod-line__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}

.page-products .prod-line__anchor {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-products .prod-line__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(52px, 12vw, 100px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-products .prod-line__num em {
  font-style: normal;
  font-size: 0.24em;
  letter-spacing: 0.06em;
  color: var(--neon);
  margin-left: 0.14em;
}

.page-products .prod-line--alt .prod-line__num em {
  color: var(--amber);
}

.page-products .prod-line__note {
  margin: 0;
  max-width: 26ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-line__body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-products .prod-line__body h2 {
  margin: 0;
  color: var(--chalk);
}

.page-products .prod-line__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.82;
  color: var(--pp-soft);
}

.page-products .fold {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .fold summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  font-size: 13.5px;
  letter-spacing: 0.07em;
  color: var(--neon);
  list-style: none;
}

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

.page-products .fold summary::before {
  content: "＋";
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--amber);
}

.page-products .fold[open] summary::before {
  content: "－";
}

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

.page-products .prod-fields li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-bottom: 1px dashed var(--pp-hair);
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-soft);
  transition: color 0.2s var(--ease);
}

.page-products .prod-fields li:last-child {
  border-bottom: 0;
}

.page-products .prod-fields li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 19px;
  width: 7px;
  height: 7px;
  background: var(--neon);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-products .prod-line--alt .prod-fields li::before {
  background: var(--amber);
}

.page-products .prod-fields li:hover {
  color: var(--chalk);
}

.page-products .prod-figure {
  margin: 4px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-700);
}

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

.page-products .prod-figure--a img { aspect-ratio: 3 / 2; }
.page-products .prod-figure--b img { aspect-ratio: 10 / 7; }
.page-products .prod-figure--c img { aspect-ratio: 3 / 2; }
.page-products .prod-figure--d img { aspect-ratio: 2 / 1; }
.page-products .prod-figure--e img { aspect-ratio: 9 / 16; object-fit: cover; }

.page-products .prod-figure .frame__cap {
  padding: 12px 16px 14px;
}

/* ============ 三个使用时刻（纸面分区） ============ */

.page-products .prod-scenes {
  padding-block: clamp(48px, 6vw, 92px);
}

.page-products .prod-scenes .label {
  display: block;
  margin-bottom: 12px;
  color: var(--pp-amber-ink);
}

.page-products .prod-scenes h2 {
  margin: 0 0 14px;
  max-width: 20ch;
}

.page-products .prod-scenes__lede {
  margin: 0 0 clamp(24px, 3vw, 40px);
  max-width: 52ch;
  font-size: 18px;
  line-height: 1.8;
}

.page-products .prod-scene-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .prod-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid rgba(6, 12, 24, 0.12);
  border-radius: var(--radius);
  background: #FFFCF5;
  box-shadow: 0 12px 26px -22px rgba(6, 12, 24, 0.5);
}

.page-products .prod-scene__step {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--pp-amber-ink);
}

.page-products .prod-scene h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: #2A3B56;
}

.page-products .prod-scene__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed rgba(6, 12, 24, 0.16);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-products .prod-scene__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: #46587A;
  font-family: var(--font-num);
  letter-spacing: 0.01em;
}

.page-products .prod-scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 2px;
  background: var(--ink-900);
  opacity: 0.45;
}

.page-products .prod-scenes__more {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: #2A3B56;
}

.page-products .prod-scenes__more a {
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-products .prod-scenes__more a:hover {
  color: #0C1A30;
  text-decoration-color: var(--neon);
}

/* ============ 设备 ============ */

.page-products .prod-devices {
  position: relative;
  padding-block: clamp(52px, 7vw, 104px);
  background:
    radial-gradient(80% 110% at 8% 0%, rgba(255, 178, 58, 0.09), transparent 58%),
    linear-gradient(180deg, var(--ink-900) 0%, #08111F 100%);
}

.page-products .prod-devices__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  min-width: 0;
}

.page-products .prod-devices__copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-products .prod-devices__copy h2 {
  margin: 0;
  max-width: 18ch;
  color: var(--chalk);
}

.page-products .prod-devices__lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.82;
  color: var(--pp-soft);
}

.page-products .prod-device {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 0 18px 20px;
  border-left: 2px solid var(--ink-700);
  transition: border-color 0.25s var(--ease);
}

.page-products .prod-device:hover {
  border-left-color: var(--neon);
}

.page-products .prod-device h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--chalk);
}

.page-products .prod-device p {
  margin: 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-soft);
}

.page-products .prod-devices__grid .prod-figure {
  max-width: 340px;
  justify-self: start;
}

/* ============ 联络条 ============ */

.page-products .prod-cta {
  padding-block: clamp(44px, 5.5vw, 80px);
}

.page-products .prod-cta__inner {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-products .prod-cta h2 {
  margin: 0 0 10px;
  color: var(--chalk);
}

.page-products .prod-cta p {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-soft);
}

.page-products .prod-cta .btn {
  justify-self: start;
}

/* ============ 响应式 ============ */

@media (min-width: 760px) {
  .page-products .prod-scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }

  .page-products .prod-cta .btn {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-products .prod-line__grid {
    grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-products .prod-line__anchor {
    position: sticky;
    top: calc(var(--top-h) + 24px);
  }

  .page-products .prod-devices__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-products .prod-devices__grid .prod-figure {
    max-width: none;
    justify-self: end;
    width: 100%;
  }
}

@media (min-width: 1180px) {
  .page-products .prod-hero__map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .prod-map__item {
    padding: 20px 20px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-map__item,
  .page-products .prod-device,
  .page-products .prod-fields li {
    transition: none;
  }

  .page-products .prod-map__item:hover,
  .page-products .prod-map__item:focus-visible {
    transform: none;
  }
}