.page-products {
  --prod-gap: 14px;
  --prod-pad: 20px;
  display: block;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 4px;
  font: 500 0.76rem/1.4 var(--font-mono);
  color: var(--text-secondary);
}

.page-products .breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration 0.2s ease;
}

.page-products .breadcrumb a:hover {
  color: var(--text-main);
  text-decoration: underline;
}

.page-products__hero {
  position: relative;
  padding: 24px 0 52px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 80% 18%, rgba(57, 255, 20, 0.07) 0%, transparent 52%),
    radial-gradient(ellipse at 8% 88%, rgba(176, 0, 32, 0.12) 0%, transparent 48%),
    var(--bg-main);
}

.page-products__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--gradient);
  opacity: 0.85;
}

.page-products__hero .page-hero__index {
  display: inline-block;
  font: 700 0.78rem/1 var(--font-mono);
  letter-spacing: 0.22em;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 10px 5px;
  margin: 20px 0 0;
  background: var(--bg-secondary);
}

.page-products__hero .page-hero__title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 18px 0 14px;
}

.page-products__hero .page-hero__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0;
}

.page-products__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products__band {
  height: 3px;
  background: var(--gradient);
  opacity: 0.55;
  position: relative;
  z-index: 1;
}

.page-products .section {
  padding-top: 56px;
  padding-bottom: 56px;
}

.page-products .section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.page-products .section-index {
  font: 700 0.78rem/1 var(--font-mono);
  letter-spacing: 0.22em;
  color: var(--accent);
}

.page-products .section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin: 0;
}

.page-products .section-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.page-products__lead {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-products__func-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  margin-top: 34px;
}

.page-products__func-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-products__func-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  z-index: 2;
  transition: opacity 0.3s ease;
}

.page-products__func-card:hover,
.page-products__func-card:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 18px 42px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
}

.page-products__func-card:hover::before,
.page-products__func-card:focus-within::before {
  opacity: 0.85;
}

.page-products__func-figure {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-deep);
}

.page-products__func-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.72;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.page-products__func-card:hover .page-products__func-figure img,
.page-products__func-card:focus-within .page-products__func-figure img {
  opacity: 0.95;
  transform: scale(1.04);
}

.page-products__func-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
  pointer-events: none;
}

.page-products__func-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border-top: 1px solid var(--border);
  flex: 1;
}

.page-products__func-index {
  font: 700 0.7rem/1 var(--font-mono);
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-products__func-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.page-products__func-text {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.page-products__func-detail {
  margin-top: 2px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-products__func-detail summary {
  cursor: pointer;
  padding: 11px 12px 10px 36px;
  font: 600 0.76rem/1 var(--font-mono);
  color: var(--text-main);
  list-style: none;
  user-select: none;
  position: relative;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products__func-detail summary::before {
  content: "+";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
}

.page-products__func-detail[open] summary::before {
  content: "–";
}

.page-products__func-detail p {
  margin: 0;
  padding: 0 14px 14px;
  color: var(--text-secondary);
}

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

.page-products__quick {
  margin-top: 34px;
  padding: var(--prod-pad);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.page-products__quick .meta {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.page-products__quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products__scenarios {
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--bg-secondary);
  background-size: 30px 30px;
}

.page-products__scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  margin-top: 34px;
}

.page-products__scenario {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px 20px 22px;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius);
  transition: border-color 0.3s ease;
}

.page-products__scenario:hover {
  border-color: var(--accent);
}

.page-products__scenario-num {
  display: inline-block;
  font: 700 0.76rem var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--warn);
  margin-bottom: 12px;
}

.page-products__scenario-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 10px;
}

.page-products__scenario-text {
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--text-secondary);
  margin: 0 0 16px;
}

.page-products__scenario .btn {
  margin-top: auto;
}

.page-products__tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 34px;
}

.page-products__tech-item {
  padding: 22px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-products__tech-item:hover {
  border-color: var(--accent);
  background: var(--bg-panel);
}

.page-products__tech-index {
  font: 700 0.74rem var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--accent);
}

.page-products__tech-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 12px 0 8px;
}

.page-products__tech-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.page-products__status-panel {
  margin-top: 34px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  font-family: var(--font-mono);
  position: relative;
  overflow: hidden;
}

.page-products__status-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 1px,
    rgba(255, 255, 255, 0.014) 1px,
    rgba(255, 255, 255, 0.014) 2px
  );
}

.page-products__status-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  position: relative;
}

.page-products__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.75);
  animation: page-products-pulse 1.6s ease-in-out infinite;
}

@keyframes page-products-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.page-products__status-axis {
  margin-left: auto;
  letter-spacing: 0.1em;
}

.page-products__status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  position: relative;
}

.page-products__status-item {
  padding: 22px 18px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.page-products__status-item:nth-child(even) {
  border-right: 0;
}

.page-products__status-item:nth-last-child(-n+2) {
  border-bottom: 0;
}

.page-products__status-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.page-products__status-value {
  display: block;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.page-products__status-note {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 0.76rem;
}

.page-products__guarantee-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  margin-top: 34px;
}

.page-products__guarantee-item {
  position: relative;
  padding: 28px 20px 24px;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.page-products__guarantee-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0.55;
}

.page-products__guarantee-item .tag {
  margin-bottom: 4px;
}

.page-products__guarantee-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 16px 0 8px;
}

.page-products__guarantee-text {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

.page-products__support-note {
  margin-top: 34px;
  padding: 26px 20px 24px;
  border: 1px dashed var(--warn);
  background: var(--warn-dim);
}

.page-products__support-note__label {
  font: 700 0.78rem/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warn);
  margin: 0 0 10px;
}

.page-products__support-note__text {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0 0 12px;
  max-width: 560px;
}

.page-products__support-note__email {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-main);
  margin: 0 0 16px;
  word-break: break-all;
}

@media (min-width: 640px) {
  .page-products .section {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .page-products__func-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__guarantee-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__status-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products__status-item,
  .page-products__status-item:nth-child(even) {
    border-right: 1px solid var(--border);
  }

  .page-products__status-item:nth-child(4n) {
    border-right: 0;
  }

  .page-products__status-item {
    border-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .page-products .section {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .page-products__func-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
  }

  .page-products__func-card:nth-child(-n+3) {
    grid-column: span 2;
  }

  .page-products__func-card:nth-child(n+4) {
    grid-column: span 3;
  }

  .page-products__tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products__guarantee-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products__status-panel {
    margin-top: 40px;
  }

  .page-products__support-note {
    padding: 30px 28px 28px;
  }
}