.page-products {
  --prod-gap: 24px;
  --prod-pad: 22px;
  --prod-line: 2px solid var(--hair);
  --prod-line-strong: 2px solid var(--hair-strong);
  position: relative;
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 64px;
  color: var(--warm);
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse at 85% 0%, rgba(108, 76, 224, 0.24), transparent 48%),
    radial-gradient(ellipse at 0% 42%, rgba(53, 224, 208, 0.1), transparent 36%),
    var(--space);
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(244, 241, 234, 0.18) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.16;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 70%);
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

.page-products > .prod-hero,
.page-products > .prod-section {
  position: relative;
  z-index: 1;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  text-wrap: balance;
}

.page-products .prod-hero {
  padding-top: 8px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-products .prod-hero__copy {
  min-width: 0;
}

.page-products .prod-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(2.2rem, 9vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.page-products .prod-lede {
  max-width: 34rem;
  margin: 18px 0 0;
  color: var(--bone);
  font-size: 17px;
  line-height: 1.85;
}

.page-products .prod-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .prod-hero__figure {
  margin: 0;
  padding: 10px;
  background: linear-gradient(160deg, rgba(42, 48, 64, 0.9), rgba(11, 16, 38, 0.98));
}

.page-products .prod-hero__figure img {
  display: block;
  width: 100%;
  border-radius: calc(var(--radius-card) - 4px);
  object-fit: cover;
}

.page-products .prod-hero__figure figcaption,
.page-products .prod-spec__figure figcaption {
  padding: 10px 6px 2px;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.page-products .prod-section {
  margin-top: 64px;
}

.page-products .prod-section__head {
  max-width: 36rem;
  margin-bottom: 22px;
}

.page-products .prod-section__head h2,
.page-products .prod-trouble h2 {
  margin: 12px 0;
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.page-products .prod-section__head p,
.page-products .prod-trouble__head p {
  margin: 0;
  color: var(--bone);
  font-size: 16px;
  line-height: 1.8;
}

.page-products .prod-switcher {
  position: relative;
}

.page-products .seg-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  opacity: 0;
}

.page-products .prod-seg {
  position: sticky;
  top: calc(var(--header-h) + 10px);
  z-index: 9;
  display: flex;
  gap: 6px;
  padding: 6px;
  background: rgba(42, 48, 64, 0.94);
  border: var(--prod-line-strong);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.page-products .prod-seg__item {
  flex: 1 1 0;
  min-width: 0;
  padding: 10px 6px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-align: center;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .prod-seg__item:hover {
  color: var(--warm);
  background: rgba(244, 241, 234, 0.06);
}

.page-products #seg-mobile:checked ~ .prod-seg label[for="seg-mobile"],
.page-products #seg-desktop:checked ~ .prod-seg label[for="seg-desktop"],
.page-products #seg-stable:checked ~ .prod-seg label[for="seg-stable"] {
  color: var(--space-950);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(53, 224, 208, 0.24);
}

.page-products #seg-mobile:focus-visible ~ .prod-seg label[for="seg-mobile"],
.page-products #seg-desktop:focus-visible ~ .prod-seg label[for="seg-desktop"],
.page-products #seg-stable:focus-visible ~ .prod-seg label[for="seg-stable"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .prod-panels {
  margin-top: 16px;
}

.page-products .prod-panel {
  display: none;
  padding: var(--prod-pad);
}

.page-products #seg-mobile:checked ~ .prod-panels #panel-mobile,
.page-products #seg-desktop:checked ~ .prod-panels #panel-desktop,
.page-products #seg-stable:checked ~ .prod-panels #panel-stable {
  display: grid;
  gap: 20px;
  animation: prod-panel-in 0.32s var(--ease) both;
}

@keyframes prod-panel-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-products .prod-panel h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.25;
}

.page-products .prod-panel p {
  margin: 0;
  color: var(--bone);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .prod-panel__facts {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-products .prod-fact {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--violet);
}

.page-products .prod-fact dt {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-products .prod-fact dd {
  margin: 0;
  color: var(--warm);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .prod-panel__link {
  margin: 0;
}

.page-products .prod-link {
  color: var(--gold);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-link:hover {
  color: var(--cyan);
}

.page-products .prod-wide-figure,
.page-products .prod-service-figure,
.page-products .prod-spec__figure {
  margin: 0 0 22px;
  padding: 10px;
}

.page-products .prod-wide-figure img,
.page-products .prod-service-figure img,
.page-products .prod-spec__figure img {
  display: block;
  width: 100%;
  border-radius: calc(var(--radius-card) - 4px);
  object-fit: cover;
}

.page-products .prod-table-wrap {
  padding: 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 14px 16px;
  border-bottom: 2px solid var(--hair);
  text-align: left;
  vertical-align: top;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .prod-table thead th {
  color: var(--cyan);
  background: rgba(5, 8, 15, 0.42);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .prod-table tbody th {
  width: 142px;
  color: var(--gold);
  font-weight: 700;
}

.page-products .prod-table tbody tr {
  transition: background 0.2s var(--ease);
}

.page-products .prod-table tbody tr:hover {
  background: rgba(108, 76, 224, 0.14);
}

.page-products .prod-services {
  display: grid;
  gap: 12px;
}

.page-products .prod-service {
  background: var(--rock);
  border: var(--prod-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.page-products .prod-service summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  list-style: none;
  cursor: pointer;
}

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

.page-products .prod-service summary:focus-visible,
.page-products .prod-accordion summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .prod-service__no {
  align-self: start;
  padding-top: 3px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .prod-service__text {
  min-width: 0;
}

.page-products .prod-service__text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  line-height: 1.35;
}

.page-products .prod-service__text span {
  display: block;
  color: var(--bone);
  font-size: 14px;
  line-height: 1.65;
}

.page-products .prod-service summary::after {
  content: "+";
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
}

.page-products .prod-service[open] summary::after {
  content: "−";
}

.page-products .prod-service p {
  margin: 0 16px 16px 46px;
  padding-top: 12px;
  border-top: var(--prod-line);
  color: var(--bone);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .prod-steps {
  display: grid;
  gap: 18px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-step {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  background: linear-gradient(150deg, rgba(42, 48, 64, 0.92), rgba(11, 16, 38, 0.96));
  border: var(--prod-line-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-products .prod-step__num {
  position: absolute;
  top: -12px;
  right: 10px;
  color: rgba(232, 192, 113, 0.12);
  font-family: var(--font-mono);
  font-size: 92px;
  font-weight: 800;
  line-height: 1;
  pointer-events: none;
}

.page-products .prod-step h3 {
  position: relative;
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.25;
}

.page-products .prod-step p {
  position: relative;
  margin: 0;
  color: var(--bone);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .prod-step__check {
  margin-top: 14px !important;
  padding-left: 24px;
  color: var(--cyan) !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  line-height: 1.6 !important;
}

.page-products .prod-step__check::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--moss);
}

.page-products .prod-spec__grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-products .prod-accordion {
  margin-bottom: 12px;
}

.page-products .prod-accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  font-weight: 700;
  cursor: pointer;
}

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

.page-products .prod-accordion summary::after {
  content: "展开";
  flex: none;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .prod-accordion[open] summary::after {
  content: "收起";
}

.page-products .prod-accordion__body {
  padding: 0 18px 18px;
}

.page-products .prod-accordion__body ul {
  margin: 0;
  padding-left: 18px;
  color: var(--bone);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .prod-accordion__body li + li {
  margin-top: 6px;
}

.page-products .prod-spec__note {
  margin: 16px 0 0;
  color: var(--bone);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .prod-trouble {
  padding: 24px 20px;
  background: linear-gradient(145deg, rgba(201, 123, 90, 0.14), rgba(42, 48, 64, 0.9) 48%);
  border: var(--prod-line-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-trouble__head {
  max-width: 36rem;
}

.page-products .prod-trouble__head .eyebrow {
  margin-bottom: 0;
}

.page-products .prod-trouble__list {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--warm);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .prod-trouble__list li::marker {
  color: var(--clay);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-products .prod-trouble__list li + li {
  margin-top: 10px;
}

.page-products .prod-trouble__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .prod-footnote {
  margin: 18px 0 0;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
}

@media (min-width: 720px) {
  .page-products {
    padding-top: calc(var(--header-h) + 44px);
  }

  .page-products .prod-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
  }

  .page-products .prod-section {
    margin-top: 88px;
  }

  .page-products .prod-section__head {
    max-width: 34rem;
    margin-bottom: 28px;
  }

  .page-products #seg-mobile:checked ~ .prod-panels #panel-mobile,
  .page-products #seg-desktop:checked ~ .prod-panels #panel-desktop,
  .page-products #seg-stable:checked ~ .prod-panels #panel-stable {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .prod-panel {
    padding: 26px;
  }

  .page-products .prod-panel__link {
    grid-column: 1 / -1;
  }

  .page-products .prod-table {
    min-width: 0;
  }

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

  .page-products .prod-spec__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
  }

  .page-products .prod-trouble {
    padding: 30px;
  }
}

@media (min-width: 980px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .prod-section__head {
    max-width: 46%;
  }

  .page-products .prod-trouble__head {
    max-width: 46%;
  }

  .page-products .prod-service summary {
    padding: 18px 20px;
  }

  .page-products .prod-service p {
    margin-left: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-panel,
  .page-products .prod-seg__item,
  .page-products .prod-table tbody tr {
    animation: none;
    transition: none;
  }
}