.page-products {
  --page-gutter: clamp(1rem, 4vw, 2rem);
  --container: 76rem;
  --color-primary: #FF6B00;
  --color-primary-hover: #FFB066;
  --color-red: #E63946;
  --color-red-dark: #C1121F;
  --color-navy: #0B1B2B;
  --color-navy-soft: #1E3A5F;
  --color-line: #1E3A5F;
  --color-body: #F4F6F8;
  --color-pale: #B0C4DE;
  --color-white: #FFFFFF;
  --font-heading: "Archivo Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --size-display: 2.25rem;
  --size-h1: 1.9rem;
  --size-h2: 1.6rem;
  --size-h3: 1.3rem;
  --size-body: 1rem;
  --size-caption: 0.875rem;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.page-products a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .product-track {
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(var(--page-gutter) * 1.5) var(--page-gutter) 4rem;
}

.page-products .track-heading {
  margin-bottom: 2.5rem;
  border-left: 4px solid var(--color-primary);
  padding-left: var(--page-gutter);
}

.page-products .breadcrumb {
  margin-bottom: 1.25rem;
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .breadcrumb__link {
  font-size: var(--size-caption);
  color: var(--color-pale);
}

.page-products .breadcrumb__current {
  font-size: var(--size-caption);
  color: var(--color-white);
}

.page-products .track-heading .section-kicker {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-products .track-heading h1 {
  font-family: var(--font-heading);
  font-size: var(--size-h1);
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 15em;
}

.page-products .track-intro {
  color: var(--color-pale);
  font-size: var(--size-body);
  max-width: 42em;
  margin: 0;
}

.page-products .access-strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 1rem;
  margin-bottom: 3rem;
}

.page-products .access-card {
  flex: 0 0 88%;
  scroll-snap-align: start;
  background: var(--color-navy-soft);
  border: 1px solid var(--color-line);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 32rem;
  position: relative;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

@media (pointer: fine) {
  .page-products .access-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
  }
}

.page-products .access-card--ios {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-soft) 100%);
  border-top: 4px solid var(--color-primary);
}

.page-products .access-card--android {
  background: linear-gradient(135deg, var(--color-navy-soft) 0%, var(--color-navy) 100%);
  border-top: 4px solid var(--color-red);
}

.page-products .access-card--web {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-soft) 100%);
  border-top: 4px solid var(--color-pale);
}

.page-products .access-card__no {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-line);
  line-height: 1;
}

.page-products .access-card h2 {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  line-height: 1.2;
  margin: 0;
}

.page-products .access-card__lead {
  color: var(--color-body);
  font-size: var(--size-body);
  margin: 0;
}

.page-products .access-steps {
  margin: 0;
  padding: 0 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-products .access-steps li {
  color: var(--color-pale);
  font-size: var(--size-body);
}

.page-products .access-note {
  color: var(--color-pale);
  font-size: var(--size-caption);
  border-left: 2px solid var(--color-primary);
  padding-left: 0.75rem;
  margin: 0;
}

.page-products .access-list {
  margin: 0;
  padding: 0 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-products .access-list li {
  color: var(--color-pale);
  font-size: var(--size-body);
}

.page-products .access-card img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-line);
}

.page-products .phone-svg {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.page-products .phone-svg svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--size-body);
  font-weight: 700;
  line-height: 1;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  margin-top: auto;
  align-self: flex-start;
}

.page-products .button--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.page-products .button--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-navy);
  text-decoration: none;
}

.page-products .button--accent {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-products .button--accent:hover {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.page-products .button--light {
  background: transparent;
  color: var(--color-body);
  border-color: var(--color-body);
}

.page-products .button--light:hover {
  background: var(--color-body);
  color: var(--color-navy);
  text-decoration: none;
}

.page-products .collection-guide {
  background: var(--color-body);
  color: var(--color-navy);
  padding: 2rem 1.5rem;
  margin: 0 0 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  border-left: 6px solid var(--color-primary);
}

.page-products .collection-guide__meta .section-kicker {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-products .collection-guide__meta h2 {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.page-products .collection-guide__meta p {
  margin: 0;
  font-size: var(--size-body);
  color: #33404f;
  max-width: 40em;
}

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

.page-products .collection-visual img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .bookmark-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--color-white);
  border: 1px solid #d0d7de;
  padding: 1rem;
}

.page-products .bookmark-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  margin-right: 0.75rem;
  transform: rotate(45deg);
}

.page-products .bookmark-list li {
  display: flex;
  align-items: center;
  font-weight: 600;
  font-size: var(--size-body);
}

.page-products .collection-tips {
  background: var(--color-white);
  border: 1px solid #d0d7de;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .collection-tips h3 {
  font-family: var(--font-heading);
  font-size: var(--size-h3);
  margin: 0;
}

.page-products .collection-tips ul {
  margin: 0;
  padding: 0 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-products .collection-tips li {
  color: #33404f;
  font-size: var(--size-body);
}

.page-products .version-compare {
  margin-bottom: 3rem;
}

.page-products .version-compare__head {
  border-bottom: 2px solid var(--color-line);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.page-products .version-compare__head .section-kicker {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-products .version-compare__head h2 {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.page-products .version-compare__head p {
  margin: 0;
  color: var(--color-pale);
  max-width: 40em;
}

.page-products .compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-line);
}

.page-products .compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--size-body);
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
}

.page-products .compare-table th:last-child,
.page-products .compare-table td:last-child {
  border-right: none;
}

.page-products .compare-table thead th {
  background: var(--color-navy-soft);
  color: var(--color-white);
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

.page-products .compare-table tbody th {
  background: rgba(11, 27, 43, 0.5);
  color: var(--color-white);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .compare-table tbody td {
  color: var(--color-body);
}

.page-products .compare-table tbody tr {
  transition: background 0.2s ease;
}

.page-products .compare-table tbody tr:hover {
  background: rgba(255, 107, 0, 0.08);
}

.page-products .compare-table tbody tr:hover td:first-child {
  border-left: 2px solid var(--color-primary);
}

.page-products .compare-note {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .compare-note p {
  margin: 0;
  color: var(--color-pale);
  max-width: 40em;
}

.page-products .transfer-tips {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  border-top: 1px solid var(--color-line);
  padding-top: 2rem;
}

.page-products .transfer-tips__item {
  background: rgba(30, 58, 95, 0.4);
  border-left: 3px solid transparent;
  padding: 1.25rem;
  transition: border-color 0.2s ease;
}

.page-products .transfer-tips__item:hover {
  border-left-color: var(--color-primary);
}

.page-products .transfer-tips__item h3 {
  font-family: var(--font-heading);
  font-size: var(--size-h3);
  margin: 0 0 0.5rem;
}

.page-products .transfer-tips__item p {
  color: var(--color-pale);
  font-size: var(--size-body);
  margin: 0 0 0.75rem;
}

.page-products .transfer-tips__item a {
  font-weight: 700;
  font-size: 0.9rem;
}

@media (min-width: 640px) {
  .page-products .access-card {
    flex: 0 0 45%;
  }

  .page-products .collection-guide {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .collection-tips {
    grid-column: 1 / -1;
  }

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

@media (min-width: 960px) {
  .page-products .track-heading h1 {
    font-size: var(--size-display);
  }

  .page-products .access-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow-x: visible;
  }

  .page-products .access-card {
    flex: none;
    min-height: 34rem;
  }

  .page-products .collection-guide {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 3rem;
  }

  .page-products .collection-tips {
    grid-column: auto;
  }

  .page-products .collection-visual {
    grid-template-columns: 1fr;
  }

  .page-products .compare-table {
    min-width: 100%;
  }

  .page-products .compare-note {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}