/* ===== 页面专有基础 ===== */
.page-products {
  --clr-primary-900: #0A192F;
  --clr-primary-700: #1A3A6B;
  --clr-primary-500: #2196F3;
  --clr-primary-300: #64B5F6;
  --clr-accent: #FFD700;
  --clr-accent-light: #FFE082;
  --clr-neutral-100: #F5F7FA;
  --clr-neutral-900: #1A1A2E;
  --clr-success: #4CAF50;
  --clr-warning: #FF9800;
  --ff-primary: Inter, system-ui, -apple-system, sans-serif;
  --fw-heading: 800;
  --fw-body: 400;
  --fs-heading-lg: clamp(2.2rem, 5vw, 3rem);
  --fs-heading-md: clamp(1.5rem, 3vw, 2rem);
  --fs-body: 1rem;
  --lh-body: 1.6;
  --container-max: 1200px;
  --container-pad: 1.5rem;
  --shadow-card: 0 2px 0 rgba(255, 215, 0, 0.3), 0 4px 0 rgba(255, 215, 0, 0.1);
  --shadow-nav: 0 4px 20px rgba(0,0,0,0.6);
  --duration-m: 0.3s;
  --duration-l: 0.5s;

  background-color: var(--clr-primary-900);
  color: var(--clr-neutral-100);
  font-family: var(--ff-primary);
  font-weight: var(--fw-body);
  line-height: var(--lh-body);
  margin: 0;
  padding: 0 0 3rem 0;
}

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

/* 面包屑 */
.page-products .breadcrumb {
  padding: 1rem var(--container-pad) 0;
  max-width: var(--container-max);
  margin-inline: auto;
  font-size: 0.875rem;
  color: var(--clr-primary-300);
}
.page-products .breadcrumb__link {
  color: var(--clr-primary-300);
  text-decoration: none;
  transition: color var(--duration-m);
}
.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--clr-accent);
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
}
.page-products .breadcrumb__sep {
  margin-inline: 0.4em;
  color: var(--clr-primary-500);
}
.page-products .breadcrumb__current {
  color: var(--clr-neutral-100);
  font-weight: 600;
}

/* 通用区块 */
.page-products .section {
  padding: 2.5rem 0;
}
.page-products .section__heading {
  font-size: var(--fs-heading-md);
  font-weight: var(--fw-heading);
  color: var(--clr-accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  border-bottom: 2px solid var(--clr-primary-700);
  padding-bottom: 0.5rem;
}
.page-products .section__sub {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--clr-primary-300);
  margin-left: 0.5rem;
}

/* ===== app-hero ===== */
.page-products .app-hero {
  background: linear-gradient(135deg, var(--clr-primary-900) 0%, var(--clr-primary-700) 100%);
  border-bottom: 4px solid var(--clr-accent);
}
.page-products .app-hero__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}
.page-products .app-hero__visual {
  flex-shrink: 0;
}
.page-products .app-hero__icon {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 0 0 2px var(--clr-primary-500);
}
.page-products .app-hero__text {
  flex: 1 1 200px;
}
.page-products .app-hero__title {
  font-size: var(--fs-heading-lg);
  font-weight: var(--fw-heading);
  margin: 0 0 0.5rem;
  color: var(--clr-neutral-100);
  line-height: 1.15;
}
.page-products .app-hero__desc {
  font-size: calc(var(--fs-body) + 0.125rem);
  color: var(--clr-primary-300);
  max-width: 40ch;
}

/* ===== version-table ===== */
.page-products .version-table {
  background-color: var(--clr-primary-700);
}
.page-products .version-table__wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}
.page-products .version-table__decoration {
  flex-shrink: 0;
  display: none;
}
.page-products .version-table__chart {
  max-width: 100%;
  height: auto;
  border: 2px solid var(--clr-accent);
  border-radius: 8px;
}
.page-products .version-table__grid {
  flex: 1 1 280px;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.page-products .version-card {
  background: var(--clr-primary-900);
  border: 1px solid var(--clr-primary-500);
  border-radius: 12px;
  padding: 1.25rem;
  flex: 1 1 200px;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-m), box-shadow var(--duration-m);
}
.page-products .version-card:hover,
.page-products .version-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 4px 0 var(--clr-accent), 0 8px 0 rgba(255, 215, 0, 0.1);
}
.page-products .version-card--accent {
  border-color: var(--clr-accent);
  background: linear-gradient(145deg, var(--clr-primary-900), var(--clr-primary-700));
}
.page-products .version-card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.page-products .version-card__label {
  font-weight: var(--fw-heading);
  font-size: 1.125rem;
  color: var(--clr-neutral-100);
}
.page-products .speed-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.page-products .speed-row__label {
  font-size: 0.875rem;
  color: var(--clr-primary-300);
  flex-basis: 100%;
}
.page-products .speed-row__value {
  font-size: 1.25rem;
  font-weight: var(--fw-heading);
  color: var(--clr-accent);
  margin-right: auto;
}
.page-products .speed-row__bar {
  display: block;
  width: 100%;
  height: 6px;
  background: var(--clr-primary-700);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}
.page-products .speed-row__bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-light));
  border-radius: 3px;
  transition: width 0.6s ease;
}

/* ===== compat-list ===== */
.page-products .compat-list {
  background-color: var(--clr-primary-900);
}
.page-products .compat-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.page-products .compat-tabs__btn {
  background: transparent;
  border: 2px solid var(--clr-primary-700);
  color: var(--clr-primary-300);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--duration-m), color var(--duration-m), border-color var(--duration-m);
}
.page-products .compat-tabs__btn:hover,
.page-products .compat-tabs__btn:focus-visible {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  outline: none;
}
.page-products .compat-tabs__btn--active,
.page-products .compat-tabs__btn[aria-selected="true"] {
  background: var(--clr-accent);
  color: var(--clr-primary-900);
  border-color: var(--clr-accent);
}
.page-products .compat__visual {
  margin-bottom: 1.5rem;
  max-width: 400px;
}
.page-products .compat__image {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--clr-primary-500);
  border-radius: 8px;
}

.page-products .compat-panel {
  display: block;
}
.page-products .compat-panel[hidden] {
  display: none;
}

.page-products .compat-card {
  margin-bottom: 1rem;
  background: var(--clr-primary-700);
  border: 1px solid var(--clr-primary-500);
  border-radius: 8px;
  padding: 1rem;
}
.page-products .compat-card__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.page-products .compat-card__name {
  font-weight: 700;
  color: var(--clr-neutral-100);
}
.page-products .compat-card__toggle {
  background: transparent;
  border: 1px solid var(--clr-accent);
  color: var(--clr-accent);
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--duration-m), color var(--duration-m);
}
.page-products .compat-card__toggle:hover,
.page-products .compat-card__toggle:focus-visible {
  background: var(--clr-accent);
  color: var(--clr-primary-900);
  outline: none;
}
.page-products .compat-card__body[hidden] {
  display: none;
}
.page-products .compat-card__body {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--clr-primary-500);
}
.page-products .compat-details__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
.page-products .compat-details__list li {
  position: relative;
  padding-left: 1.2em;
  font-size: 0.9rem;
  color: var(--clr-primary-300);
}
.page-products .compat-details__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-weight: 700;
}

/* ===== download-section ===== */
.page-products .download-section {
  background: linear-gradient(135deg, var(--clr-primary-900) 0%, var(--clr-primary-700) 100%);
  border-top: 4px solid var(--clr-accent);
}
.page-products .download-section__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}
.page-products .download-section__actions {
  flex: 1 1 240px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}
.page-products .download-section__safe-icon {
  max-width: 100%;
  height: auto;
  opacity: 0.85;
}
.page-products .download-section__btn {
  background: var(--clr-accent);
  color: var(--clr-primary-900);
  font-weight: var(--fw-heading);
  padding: 0.75rem 2rem;
  border-radius: 999px;
  text-decoration: none;
  transition: box-shadow var(--duration-m), transform var(--duration-m);
  display: inline-block;
}
.page-products .download-section__btn:hover,
.page-products .download-section__btn:focus-visible {
  box-shadow: 0 0 0 3px var(--clr-accent-light);
  transform: scale(1.03);
  outline: none;
}
.page-products .download-section__note {
  font-size: 0.85rem;
  color: var(--clr-primary-300);
}
.page-products .download-section__note a {
  color: var(--clr-accent);
  text-decoration: underline;
}
.page-products .download-section__guide {
  flex: 1 1 280px;
}
.page-products .download-section__guide-img {
  max-width: 100%;
  height: auto;
  margin-bottom: 1rem;
  border-radius: 8px;
  border: 1px solid var(--clr-primary-500);
}
.page-products .download-section__steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
}
.page-products .download-section__steps li {
  counter-increment: step;
  padding: 0.5rem 0 0.5rem 2.5rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--clr-neutral-100);
  border-bottom: 1px solid var(--clr-primary-700);
}
.page-products .download-section__steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 1.8rem;
  height: 1.8rem;
  background: var(--clr-accent);
  color: var(--clr-primary-900);
  font-weight: var(--fw-heading);
  font-size: 0.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-products .version-table__decoration {
    display: block;
  }
  .page-products .version-table__grid {
    flex-wrap: nowrap;
  }
  .page-products .compat-list .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }
  .page-products .compat-list .section__heading,
  .page-products .compat-list .compat-tabs,
  .page-products .compat-list .compat__visual {
    grid-column: 1 / -1;
  }
  .page-products .compat-list .compat-panel {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-products .app-hero__inner {
    flex-wrap: nowrap;
  }
  .page-products .download-section__inner {
    flex-wrap: nowrap;
    align-items: center;
  }
}
</PAGE_CSS>

.page-products {
  --pct: 1rem;
}