.page-products {
  --page-accent: #FF6B00;
  --page-data: #39FF88;
  --page-data-soft: rgba(57, 255, 136, 0.1);
  --page-muted: #8A99A6;
  --page-line: #1F3A52;
  --page-bg-glow: #1A3A52;
  --page-bg-lift: #0F2033;
  --page-font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

.page-products .container {
  width: min(100% - 2.5rem, var(--container, 80rem));
  margin-inline: auto;
}

.page-products .container--narrow {
  width: min(100% - 2.5rem, var(--container-narrow, 62rem));
  margin-inline: auto;
}

.page-products .section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--color-line, #1F3A52);
}

.page-products .section__head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
  max-width: 100%;
}

.page-products .section__index {
  font-family: var(--page-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--page-data);
  text-transform: uppercase;
  display: inline-block;
  width: fit-content;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(57, 255, 136, 0.35);
  background: var(--page-data-soft);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-head, "Noto Sans SC", sans-serif);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-text, #E0E6ED);
  margin: 0;
}

.page-products h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

.page-products h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

.page-products h3 {
  font-size: 1.2rem;
}

.page-products p {
  margin: 0;
  color: var(--color-text, #E0E6ED);
}

.page-products .section__lead {
  color: var(--page-muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 56ch;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  background: var(--page-accent);
  color: #0B1B2B;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.page-products .btn:hover,
.page-products .btn:focus-visible {
  background: #FF862E;
  border-color: var(--page-data);
  outline: 2px solid var(--page-data);
  outline-offset: 2px;
}

.page-products .btn--ghost {
  background: transparent;
  color: var(--color-text, #E0E6ED);
  border-color: var(--page-line);
}

.page-products .btn--ghost:hover,
.page-products .btn--ghost:focus-visible {
  background: rgba(255, 107, 0, 0.12);
  border-color: var(--page-accent);
  outline: none;
}

.page-products .btn--compact {
  padding: 0.65rem 1.15rem;
  font-size: 0.9rem;
  margin-top: 1.5rem;
}

.page-products .stat-num {
  position: relative;
  display: inline-block;
}

/* 首页场景下的专属变量，避免污染全局 */
.page-products {
  display: block;
}

/* breadcrumb 当前页节点可聚焦标记 */
.page-products a:focus-visible {
  outline: 2px solid var(--page-data);
  outline-offset: 2px;
}

/* platform hero */
.page-products .platform-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, #0B1B2B 0%, #1A3A52 100%);
  border-bottom: 1px solid var(--page-line);
}

.page-products .platform-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-block: clamp(2.5rem, 7vw, 6rem);
  position: relative;
  z-index: 2;
}

.page-products .platform-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 62ch;
}

.page-products .platform-hero__lead {
  color: var(--page-muted);
  font-size: 1.05rem;
  line-height: 1.9;
}

.page-products .platform-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.page-products .platform-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1.25rem 0 0;
  padding: 0;
  border-top: 1px solid var(--page-line);
  gap: 0.4rem;
}

.page-products .platform-hero__stats div {
  padding-block: 1.1rem;
  padding-right: 1rem;
  border-left: 2px solid var(--page-line);
}

.page-products .platform-hero__stats dt {
  font-size: 0.75rem;
  color: var(--page-muted);
  margin-bottom: 0.35rem;
}

.page-products .platform-hero__stats dd {
  font-family: var(--page-font-mono);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 600;
  color: var(--page-data);
  margin: 0;
}

.page-products .platform-hero__visual {
  position: relative;
  min-height: 220px;
  border: 1px solid rgba(57, 255, 136, 0.25);
  overflow: hidden;
  background: rgba(6, 15, 26, 0.45);
}

.page-products .platform-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(57, 255, 136, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 136, 0.14) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(135deg, #000 0%, transparent 70%);
}

.page-products .platform-hero__slash {
  position: absolute;
  top: -10%;
  width: 45%;
  height: 130%;
  transform: rotate(12deg);
}

.page-products .platform-hero__slash--orange {
  right: 22%;
  background: rgba(255, 107, 0, 0.22);
}

.page-products .platform-hero__slash--green {
  right: -8%;
  background: rgba(57, 255, 136, 0.14);
}

.page-products .platform-hero__code {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  line-height: 1.8;
  text-align: right;
  color: rgba(224, 230, 237, 0.7);
  letter-spacing: 0.14em;
}

/* client-download */
.page-products .download-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.page-products .download-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  background: var(--page-bg-lift);
  border: 1px solid var(--page-line);
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 4px solid var(--page-accent);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
}

.page-products .download-card__tag {
  align-self: flex-start;
}

.page-products .download-card__title {
  margin: 0;
}

.page-products .download-card__text {
  color: var(--page-muted);
  line-height: 1.8;
  max-width: 58ch;
}

.page-products .download-card__features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  margin: 0.2rem 0 0;
  padding: 0;
}

.page-products .download-card__features div {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  border-bottom: 1px solid var(--page-line);
  padding-block: 0.55rem;
}

.page-products .download-card__features dt {
  color: var(--page-data);
  font-size: 0.72rem;
}

.page-products .download-card__features dd {
  margin: 0;
  color: var(--color-text, #E0E6ED);
  font-size: 0.92rem;
}

.page-products .download-card__qr {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  border: 2px solid var(--page-data);
  padding: 1rem;
  background: rgba(57, 255, 136, 0.05);
  width: fit-content;
}

.page-products .download-card__qr svg {
  display: block;
}

.page-products .download-card__qr p {
  font-size: 0.72rem;
  color: var(--page-data);
  letter-spacing: 0.08em;
}

.page-products .download-card__hint {
  font-size: 0.78rem;
  color: var(--page-muted);
  margin-top: 0.2rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--page-line);
}

.page-products .download-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--page-line);
  background: var(--page-bg-deep, #060F1A);
}

.page-products .download-visual__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

.page-products .download-visual__caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  background: rgba(6, 15, 26, 0.85);
  border-top: 1px solid var(--page-line);
  font-size: 0.78rem;
  color: var(--page-muted);
}

/* visualization */
.page-products .visualization {
  background: #081421;
}

.page-products .visualization__wrap {
  display: flex;
  flex-direction: column;
}

.page-products .viz-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-products .viz-screen {
  position: relative;
  border: 1px solid var(--page-line);
  overflow: hidden;
  background: var(--page-bg-deep, #060F1A);
}

.page-products .viz-screen__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .viz-screen__label {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  background: rgba(6, 15, 26, 0.8);
  border: 1px solid rgba(57, 255, 136, 0.45);
  color: var(--page-data);
  padding: 0.3rem 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.page-products .viz-aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-products .viz-card {
  position: relative;
  background: rgba(15, 32, 51, 0.6);
  border: 1px solid var(--page-line);
  padding: 1.5rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-products .viz-card:hover,
.page-products .viz-card:focus-within {
  background: var(--page-bg-lift);
  border-color: rgba(57, 255, 136, 0.5);
}

.page-products .viz-card__index {
  color: var(--page-data);
  font-family: var(--page-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.page-products .viz-card__title {
  margin-bottom: 0.7rem;
}

.page-products .viz-card__text {
  color: var(--page-muted);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}

.page-products .viz-card__metric {
  font-family: var(--page-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  color: rgba(255, 107, 0, 0.8);
  border-top: 1px dashed var(--page-line);
  padding-top: 0.6rem;
}

/* feature matrix */
.page-products .feature-matrix {
  background: #0B1B2B;
}

.page-products .matrix-table {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--page-line);
  border-bottom: 1px solid var(--page-line);
}

.page-products .matrix-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 1.2rem 0.4rem;
  border-bottom: 1px solid var(--page-line);
  transition: background 0.2s ease, padding-left 0.2s ease;
}

.page-products .matrix-row:last-child {
  border-bottom: none;
}

.page-products .matrix-row:hover,
.page-products .matrix-row:focus-visible {
  background: rgba(255, 107, 0, 0.07);
  padding-left: 0.8rem;
}

.page-products .matrix-row--head {
  font-size: 0.76rem;
  text-transform: uppercase;
  color: var(--page-data);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--page-line);
}

.page-products .matrix-row--head:hover {
  background: transparent;
  padding-left: 0.4rem;
}

.page-products .matrix-row span {
  color: var(--color-text, #E0E6ED);
  line-height: 1.5;
}

.page-products .matrix-row span:first-child {
  color: var(--color-text, #E0E6ED);
  font-weight: 600;
}

.page-products .matrix-row--head span {
  color: var(--page-data);
  font-family: var(--page-font-mono);
  font-weight: 400;
}

/* device */
.page-products .device-section {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--page-line);
  background: rgba(15, 32, 51, 0.5);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-products .device-section p {
  color: var(--page-muted);
  line-height: 1.7;
}

.page-products .device-grid {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-block: 0.5rem 1rem;
}

.page-products .device-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.2rem 1.6rem;
  border: 1px solid var(--page-line);
  background: var(--page-bg-deep, #060F1A);
  color: var(--page-muted);
  cursor: default;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-products .device-item:hover,
.page-products .device-item:focus-visible {
  border-color: var(--page-data);
  background: var(--page-bg-lift);
  transform: translateY(-3px);
  outline: none;
}

.page-products .device-item span {
  font-family: var(--page-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-products .device-section__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--page-line);
  margin-top: 0.5rem;
}

/* tech note */
.page-products .tech-note {
  background: #081421;
}

.page-products .tech-note__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
}

.page-products .tech-note__figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--page-line);
}

.page-products .tech-note__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .tech-note__code {
  position: absolute;
  right: 0.8rem;
  top: 0.8rem;
  background: rgba(6, 15, 26, 0.8);
  border: 1px solid rgba(255, 107, 0, 0.5);
  color: var(--page-accent);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.6rem;
}

.page-products .tech-note__copy {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: flex-start;
}

.page-products .tech-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-products .tech-note__list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--color-text, #E0E6ED);
  line-height: 1.7;
}

.page-products .tech-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.8rem;
  height: 0.8rem;
  background: rgba(57, 255, 136, 0.2);
  border: 1px solid var(--page-data);
  border-radius: 50%;
}

/* workflow */
.page-products .workflow {
  background: #0B1B2B;
}

.page-products .workflow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-products .workflow__item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background: rgba(15, 32, 51, 0.6);
  border: 1px solid var(--page-line);
  border-left: 3px solid var(--page-data);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-products .workflow__item:hover {
  background: var(--page-bg-lift);
  border-color: rgba(57, 255, 136, 0.45);
}

.page-products .workflow__item span {
  font-family: var(--page-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--page-accent);
}

.page-products .workflow__item h3 {
  font-size: 1.05rem;
}

.page-products .workflow__item p {
  color: var(--page-muted);
  line-height: 1.7;
  font-size: 0.92rem;
}

.page-products .workflow__extra {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.page-products .workflow__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--page-line);
}

.page-products .workflow__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(26, 58, 82, 0.45);
  border: 1px solid var(--page-line);
}

.page-products .workflow__links p {
  color: var(--page-muted);
  line-height: 1.7;
}

.page-products .workflow__links a {
  color: var(--page-data);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .workflow__links a:hover,
.page-products .workflow__links a:focus-visible {
  border-bottom-color: var(--page-data);
  color: #A9FFCB;
}

@media (min-width: 720px) {
  .page-products .platform-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-products .platform-hero__visual {
    min-height: 260px;
  }

  .page-products .download-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-products .viz-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
  }

  .page-products .viz-aside {
    gap: 1rem;
  }

  .page-products .matrix-row {
    grid-template-columns: 1.2fr 1.6fr 0.9fr;
    gap: 1.2rem;
    padding: 1.2rem 1rem;
  }

  .page-products .matrix-row--head {
    padding: 0.9rem 1rem;
  }

  .page-products .device-section {
    padding: 2.5rem;
  }

  .page-products .tech-note__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-products .workflow__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
  }

  .page-products .workflow__extra {
    grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-products {
    --container: 80rem;
  }

  .page-products .section__head {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-end;
  }

  .page-products .section__lead {
    margin-left: auto;
    text-align: right;
    max-width: 42ch;
  }
}

.page-products {
  --page-bg-deep: var(--page-bg-lift);
}