.page-products {
  --products-border: 1px solid rgba(27, 107, 143, 0.2);
  --products-border-strong: 1px solid rgba(27, 107, 143, 0.4);
  --products-gap: 1.5rem;
  --products-radius: 16px;
}

.page-products .container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-products .section {
  padding-block: 4rem;
}

.page-products .section-hd {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.page-products .section-hd-caption {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-ink);
  opacity: 0.75;
}

.page-products .section-dark {
  background: var(--color-primary);
  color: var(--color-white);
}

.page-products .section-dark .section-hd-caption {
  color: var(--color-bg);
  opacity: 0.75;
}

.page-products .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-light);
}

.page-products .section-tag::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.page-products .section-dark .section-tag {
  color: var(--color-gold);
}

.page-products .section-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h2);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-top: 0.25rem;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  text-decoration: none;
}

.page-products .btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(255, 90, 54, 0.25);
}

.page-products .btn-ghost {
  border: 1px solid var(--color-primary-light);
  color: var(--color-primary);
  background: transparent;
}

.page-products .btn-primary:hover,
.page-products .btn-ghost:hover {
  transform: translateY(-2px);
}

.page-products .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.5;
}

.page-products .tag-accent {
  background: rgba(255, 90, 54, 0.12);
  color: var(--color-accent);
}

.page-products .tag-gold {
  background: rgba(255, 200, 87, 0.12);
  color: var(--color-gold);
}

.page-products .data-number {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-accent);
  line-height: 1.1;
}

.page-products .caption {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-ink);
  opacity: 0.6;
  text-align: center;
  margin-top: 0.75rem;
}

/* 产品主视觉 Hero */
.page-products .prod-hero {
  background: var(--color-bg);
  overflow: hidden;
  position: relative;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: repeating-linear-gradient(135deg, transparent 0px, transparent 12px, rgba(27, 107, 143, 0.08) 12px, rgba(27, 107, 143, 0.08) 13px);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  pointer-events: none;
}

.page-products .prod-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-block: 3rem 4rem;
  align-items: center;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-primary-light);
  margin-bottom: 1.5rem;
}

.page-products .breadcrumb a {
  color: var(--color-primary-light);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-products .breadcrumb-sep {
  color: var(--color-primary);
  opacity: 0.4;
}

.page-products .breadcrumb-current {
  color: var(--color-primary);
  font-weight: 700;
}

.page-products .prod-hero .section-tag {
  margin-bottom: 1rem;
}

.page-products .prod-hero .display-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-display);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.page-products .prod-hero .hero-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-ink);
  margin-bottom: 2rem;
  max-width: 34rem;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-products .trust-statement {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-data-green);
  background: rgba(0, 217, 166, 0.08);
  border: 1px solid rgba(0, 217, 166, 0.3);
  border-radius: var(--radius-s);
  padding: 0.75rem 1rem;
  max-width: 34rem;
}

.page-products .prod-hero-visual {
  position: relative;
}

.page-products .prod-hero-visual .hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-l);
  border: var(--products-border);
  box-shadow: var(--shadow-l);
  background-color: var(--color-white);
}

/* 核心功能 */
.page-products .prod-features {
  background: var(--color-bg);
}

.page-products .feature-tabs {
  margin-top: 2rem;
}

.page-products .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(27, 107, 143, 0.2);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.page-products .tab {
  background: transparent;
  border: none;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-light);
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-products .tab:hover {
  background: rgba(27, 107, 143, 0.08);
}

.page-products .tab[aria-selected="true"] {
  background: var(--color-primary);
  color: var(--color-white);
}

.page-products .tab-panel {
  border: var(--products-border);
  background: var(--color-white);
  border-radius: var(--radius-l);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-s);
}

.page-products .tab-panel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-products .tab-panel-copy h3 {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h3);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.page-products .tab-panel-copy p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-ink);
  margin-bottom: 1.5rem;
}

.page-products .tab-panel-copy ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .tab-panel-copy li {
  position: relative;
  padding-left: 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.page-products .tab-panel-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.page-products .tab-panel-media {
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--color-bg);
  border: var(--products-border);
}

.page-products .tab-panel-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-products .chart-placeholder {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.page-products .chart-placeholder svg {
  width: 100%;
  max-width: 400px;
  height: auto;
}

.page-products .report-placeholder {
  min-height: 220px;
  background: linear-gradient(135deg, #f0f4f8 0%, #ffffff 100%);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
}

.page-products .report-line {
  display: block;
  background: var(--color-primary-light);
  border-radius: var(--radius-s);
  opacity: 0.3;
}

.page-products .report-line-lg { width: 80%; height: 12px; }
.page-products .report-line-md { width: 60%; height: 8px; }
.page-products .report-line-sm { width: 40%; height: 6px; }

.page-products .report-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
}

/* 设备兼容性 */
.page-products .prod-devices .section-title {
  color: var(--color-white);
}

.page-products .device-wrapper {
  margin-top: 2rem;
}

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

.page-products .device-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-l);
  padding: 1.75rem;
  backdrop-filter: blur(4px);
  position: relative;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-products .device-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.page-products .device-card.featured {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.page-products .device-card .tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.page-products .device-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--color-gold);
}

.page-products .device-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .device-card.featured .device-icon {
  color: var(--color-white);
}

.page-products .device-card h3 {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h3);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.page-products .device-card p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.page-products .device-showcase {
  margin-top: 2rem;
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: var(--color-white);
}

.page-products .device-showcase img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .showcase-note {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(15, 46, 74, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-m);
  padding: 1rem;
  max-width: 260px;
}

.page-products .showcase-note p {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-white);
  margin-top: 0.25rem;
  line-height: 1.5;
}

/* 版本迭代 */
.page-products .prod-versions {
  background: var(--color-bg);
}

.page-products .version-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
  margin-top: 3rem;
}

.page-products .timeline-node {
  background: var(--color-white);
  border: var(--products-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  box-shadow: var(--shadow-s);
}

.page-products .timeline-year {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-primary-light);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.page-products .timeline-node h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.page-products .timeline-node p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: 0;
}

/* 下载与登录指引 */
.page-products .prod-download {
  background: var(--color-bg);
  position: relative;
}

.page-products .prod-download::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, rgba(27, 107, 143, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

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

.page-products .step-card {
  background: var(--color-white);
  border-radius: var(--radius-l);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-s);
  border: 1px solid transparent;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.page-products .step-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: -20px;
  width: 60px;
  height: 100%;
  background: repeating-linear-gradient(135deg, transparent 0px, transparent 6px, rgba(255, 90, 54, 0.08) 6px, rgba(255, 90, 54, 0.08) 7px);
  pointer-events: none;
}

.page-products .step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-m);
}

.page-products .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-s);
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.page-products .step-card h3 {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h3);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.page-products .step-card p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: 0;
}

.page-products .download-qr-row {
  margin-top: 3rem;
  background: var(--color-primary);
  border-radius: var(--radius-l);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-products .qr-code {
  max-width: 200px;
  width: 100%;
  margin-inline: auto;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--color-white);
}

.page-products .qr-code img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .qr-copy .tag {
  margin-bottom: 0.75rem;
}

.page-products .qr-copy h3 {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h3);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.page-products .qr-copy p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
}

.page-products .qr-copy .btn {
  background: var(--color-accent);
  color: var(--color-white);
}

/* 数据安全说明 */
.page-products .prod-security {
  background: var(--color-white);
}

.page-products .security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.page-products .security-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .security-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.page-products .security-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(27, 107, 143, 0.08);
  border-radius: var(--radius-s);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
}

.page-products .security-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .security-list h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.page-products .security-list p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: 0;
}

.page-products .security-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-primary);
  border-top-color: rgba(27, 107, 143, 0.2);
}

.page-products .stat-item {
  text-align: left;
}

.page-products .stat-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-ink);
  opacity: 0.7;
  margin-top: 0.25rem;
}

.page-products .security-visual {
  border-radius: var(--radius-l);
  border: var(--products-border);
  overflow: hidden;
  background: var(--color-bg);
}

.page-products .security-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .security-visual .caption {
  text-align: left;
  padding: 0.75rem 1rem;
  margin: 0;
}

/* 底部内链引导 */
.page-products .prod-links {
  background: var(--color-bg);
}

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

.page-products .link-card {
  display: block;
  background: var(--color-white);
  border: var(--products-border);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-products .link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-m);
  border-color: var(--color-primary-light);
}

.page-products .link-tag {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.page-products .link-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.page-products .link-card p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-ink);
  margin-bottom: 0;
  opacity: 0.75;
}

/* 动效 */
.page-products [data-reveal] {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-products [data-reveal]:not(.is-revealed) {
  opacity: 0;
  transform: translateY(24px);
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal]:not(.is-revealed) {
    opacity: 1;
    transform: none;
  }
}

/* 平板与桌面端布局 */
@media (min-width: 768px) {
  .page-products .section {
    padding-block: 5rem;
  }

  .page-products .section-hd {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .page-products .section-hd-caption {
    max-width: 320px;
    text-align: right;
  }

  .page-products .prod-hero-inner {
    grid-template-columns: 1fr 1fr;
    padding-block: 4rem 5rem;
  }

  .page-products .tab-panel-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-products .device-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
  }

  .page-products .device-showcase img {
    height: 100%;
  }

  .page-products .showcase-note {
    position: relative;
    bottom: auto;
    left: auto;
    margin: 0;
    border-radius: 0;
    border: none;
    background: var(--color-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-products .version-timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
  }

  .page-products .timeline-node {
    padding: 1.5rem;
  }

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

  .page-products .download-qr-row {
    grid-template-columns: auto 1fr;
    padding: 2.5rem;
  }

  .page-products .qr-code {
    margin-inline: 0;
  }

  .page-products .security-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

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

@media (min-width: 1024px) {
  .page-products .prod-hero-inner {
    gap: 3rem;
  }

  .page-products .tab-list {
    gap: 0.75rem;
  }

  .page-products .tab {
    font-size: 1.125rem;
    padding: 0.75rem 1.5rem;
  }

  .page-products .tab-panel {
    padding: 3rem;
  }
}