.page-products {
  background:
    linear-gradient(180deg, rgba(10,77,162,.07) 0%, rgba(248,250,252,0) 360px),
    var(--snow);
  color: var(--night);
  overflow-x: hidden;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-top: 24px;
  font-size: 13px;
}

.page-products .breadcrumb-item {
  color: var(--ink-gray);
  text-decoration: none;
}

.page-products .breadcrumb-item[aria-current="page"] {
  color: var(--plateau);
  font-weight: 700;
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "／";
  color: var(--peak-blue);
  margin-right: 6px;
}

.page-products .products-hero {
  position: relative;
  padding: 40px 0 24px;
  border-bottom: 1px solid rgba(91,143,199,.3);
}

.page-products .products-hero::before {
  content: "";
  display: block;
  width: 88px;
  height: 8px;
  background: linear-gradient(90deg, var(--plateau) 0 34%, var(--flag-yellow) 34% 56%, var(--flag-red) 56% 100%);
  margin-bottom: 26px;
}

.page-products .vertical-note {
  position: absolute;
  right: 0;
  top: 30px;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--plateau);
  background: rgba(255,255,255,.7);
  padding: 10px 6px;
  border-left: 1px solid rgba(10,77,162,.35);
}

.page-products .page-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 940px;
  margin: 0 0 16px;
  color: var(--night);
}

.page-products .lead {
  max-width: 820px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-gray);
  margin: 0;
}

.page-products .download-bay {
  display: grid;
  gap: 24px;
  padding: 40px 0 20px;
}

.page-products .download-panel {
  background: var(--plateau);
  color: var(--snow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  box-shadow: var(--shadow-deep);
}

.page-products .download-art {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  border: 1px solid rgba(255,255,255,.22);
  background: var(--snow);
}

.page-products .download-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  border-left: 4px solid var(--flag-yellow);
  padding: 18px 16px;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  margin: 0 0 10px;
}

.page-products .download-desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.9);
}

.page-products .qr-mock {
  width: 146px;
  height: 146px;
  padding: 8px;
  background: #fff;
  border: 2px dashed rgba(255,255,255,.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0 0 16px;
}

.page-products .qr-svg {
  width: 92px;
  height: 92px;
  display: block;
}

.page-products .qr-caption {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--plateau);
}

.page-products .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: var(--flag-red);
  color: #fff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 14px 20px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.page-products .btn-download::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,.38) 0%, transparent 52%);
  opacity: 0;
  transition: opacity var(--transition);
}

.page-products .btn-download:hover::after,
.page-products .btn-download:focus-visible::after {
  opacity: 1;
}

.page-products .btn-download:active {
  transform: scale(.97);
}

.page-products .btn-download-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.75);
}

.page-products .download-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,.78);
}

.page-products .platform-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .version-panel {
  background: #fff;
  border: 1px solid rgba(91,143,199,.32);
  padding: 24px 20px;
  box-shadow: 14px 14px 0 rgba(10,77,162,.08);
}

.page-products .version-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .version-head .section-title {
  margin-bottom: 0;
}

.page-products .version-summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-gray);
  margin: 12px 0 14px;
}

.page-products .version-media {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 340px;
  margin-bottom: 16px;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-products .product-version-list {
  display: grid;
  gap: 10px;
}

.page-products .version-item {
  background: var(--snow);
  border-left: 4px solid var(--peak-blue);
  transition: border-color var(--transition), background var(--transition);
}

.page-products .version-item[open] {
  border-left-color: var(--flag-yellow);
  background: #fff;
}

.page-products .version-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  color: var(--night);
}

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

.page-products .version-item summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1;
  color: var(--plateau);
}

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

.page-products .version-item p {
  margin: 0;
  padding: 0 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-gray);
}

.page-products .version-tag {
  margin-left: auto;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  background: rgba(10,77,162,.08);
  color: var(--plateau);
  white-space: nowrap;
}

.page-products .version-more {
  margin-top: 16px;
}

.page-products .reliability-bay {
  display: grid;
  gap: 24px;
  padding: 28px 0;
  align-items: center;
}

.page-products .section-kicker {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--plateau);
  margin-bottom: 8px;
}

.page-products .reliability-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-gray);
}

.page-products .reliability-stat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 18px 0 0;
}

.page-products .reliability-stat > div {
  background: #fff;
  border-top: 3px solid var(--plateau);
  padding: 14px 14px 16px;
  box-shadow: var(--shadow-soft);
}

.page-products .reliability-stat dt {
  font-size: 13px;
  color: var(--ink-gray);
}

.page-products .reliability-stat dd {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  margin: 6px 0 0;
  color: var(--night);
}

.page-products .reliability-stat dd span {
  font-size: 13px;
  color: var(--peak-blue);
  font-family: var(--font-body);
  font-weight: 600;
  margin-left: 2px;
}

.page-products .reliability-media {
  margin: 0;
}

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

.page-products .reliability-media figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--flag-yellow);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-gray);
}

.page-products .troubleshoot-bay {
  background: var(--night);
  color: #fff;
  margin-top: 22px;
  padding: 30px 22px 34px;
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
}

.page-products .ts-grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-products .troubleshoot-bay .section-kicker {
  color: var(--flag-yellow);
}

.page-products .troubleshoot-bay .section-title {
  color: #fff;
}

.page-products .ts-lead {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.8);
  max-width: 720px;
}

.page-products .product-steps {
  list-style: none;
  margin: 22px 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .step-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .step-item[open] {
  background: rgba(242,169,0,.09);
  box-shadow: inset 4px 0 0 var(--flag-yellow);
}

.page-products .step-item details[open] summary {
  padding-bottom: 10px;
}

.page-products .step-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 16px;
  cursor: pointer;
}

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

.page-products .step-item summary::after {
  content: "展开";
  margin-left: auto;
  font-size: 12px;
  color: rgba(255,255,255,.55);
  white-space: nowrap;
}

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

.page-products .step-index {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  color: var(--flag-yellow);
  min-width: 46px;
}

.page-products .step-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.page-products .step-body {
  padding: 0 16px 18px 76px;
  display: grid;
  gap: 8px;
}

.page-products .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.82);
}

.page-products .step-body strong {
  color: var(--flag-yellow);
  font-weight: 700;
}

.page-products .ts-link {
  margin-top: 4px;
}

.page-products .ts-link.btn-primary {
  background: var(--flag-yellow);
  color: var(--night);
}

.page-products .ts-figure {
  margin: 0;
}

.page-products .ts-figure img {
  width: 100%;
  max-width: 280px;
  height: auto;
  display: block;
  margin-inline: auto;
  background: #fff;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.16);
}

.page-products .ts-figure figcaption {
  max-width: 280px;
  margin: 10px auto 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255,255,255,.65);
  text-align: center;
}

.page-products .compat-bay {
  display: grid;
  gap: 26px;
  padding: 34px 0 24px;
}

.page-products .compat-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-gray);
}

.page-products .compat-steps {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  counter-reset: compat;
  display: grid;
  gap: 12px;
}

.page-products .compat-steps li {
  counter-increment: compat;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: baseline;
  background: #fff;
  padding: 15px 16px;
  border-left: 3px solid var(--plateau);
  box-shadow: var(--shadow-soft);
}

.page-products .compat-steps li::before {
  content: "0" counter(compat);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--flag-red);
  line-height: 1;
}

.page-products .compat-steps strong {
  font-size: 16px;
}

.page-products .compat-steps span {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-gray);
}

.page-products .compat-signals {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .signal-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid rgba(16,24,38,.08);
  padding: 14px 14px;
  font-weight: 700;
  font-size: 14px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  box-shadow: var(--shadow-soft);
}

.page-products .signal-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-gray);
  background: var(--snow);
  padding: 14px;
  border-left: 3px solid var(--flag-yellow);
  margin: 4px 0 0;
}

.page-products .tail-banner {
  margin-top: 12px;
  padding-bottom: 8px;
}

.page-products .tail-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 320px;
}

.page-products .track-tail {
  height: 16px;
  background: repeating-linear-gradient(115deg, transparent 0 14px, var(--plateau) 14px 18px, transparent 18px 28px), var(--flag-yellow);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-products .tail-message {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--night);
  color: #fff;
  padding: 20px 22px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-products .tail-message p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.88);
}

.page-products .tail-message p strong {
  display: block;
  font-size: 17px;
  color: #fff;
  margin-bottom: 4px;
}

.page-products .tail-message a {
  color: var(--flag-yellow);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .page-products .vertical-note {
    position: static;
    display: inline-block;
    writing-mode: horizontal-tb;
    font-size: 11px;
    letter-spacing: .12em;
    padding: 4px 10px;
    border-left: 0;
    border-bottom: 1px solid rgba(10,77,162,.35);
    margin-bottom: 12px;
  }

  .page-products .step-body {
    padding-left: 16px;
    padding-right: 12px;
  }

  .page-products .step-item summary {
    gap: 10px;
    padding: 12px;
  }

  .page-products .step-index {
    font-size: 28px;
    min-width: 36px;
  }
}

@media (min-width: 900px) {
  .page-products .reliability-bay {
    grid-template-columns: 1.05fr .95fr;
    padding: 40px 0 32px;
  }

  .page-products .compat-bay {
    grid-template-columns: 1.1fr .9fr;
    padding: 44px 0 32px;
  }

  .page-products .ts-grid {
    grid-template-columns: minmax(0, 2fr) minmax(200px, .72fr);
  }

  .page-products .ts-figure img {
    max-width: 360px;
  }

  .page-products .ts-figure figcaption {
    max-width: 360px;
  }

  .page-products .step-body {
    padding-left: 96px;
  }
}

@media (min-width: 1000px) {
  .page-products .download-bay {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 28px;
  }

  .page-products .download-panel {
    padding: 28px;
  }

  .page-products .version-panel {
    padding: 28px 24px;
  }
}