/* ========== 页面作用域：.page-products ========== */
.page-products {
  --pv-primary: #FF6B00;
  --pv-deep: #0A1F44;
  --pv-neon: #C8FF00;
  --pv-bg-dark: #0F1423;
  --pv-bg-light: #F5F7FA;
  --pv-surface-mid: #1E2A3A;
  --pv-text: #111827;
  --pv-text-inverse: #FFFFFF;
  --pv-border: #FF6B00;
  --pv-grid: #2A3B4C;
  --pv-shadow: 6px 6px 0 #111827;
  --pv-shadow-sm: 3px 3px 0 #111827;
  --pv-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
  background: var(--pv-bg-dark);
  color: var(--pv-text-inverse);
  overflow-x: hidden;
}

.page-products .container {
  width: min(1200px, 100% - 40px);
  margin-inline: auto;
}

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

.page-products .section-label {
  font-family: var(--pv-mono);
  color: var(--pv-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.page-products .section-title {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 900;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.page-products .section-desc {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.78);
  max-width: 560px;
}

/* ========== 首屏 Hero ========== */
.products-hero {
  position: relative;
  background: var(--pv-bg-dark);
  padding: 7.5rem 0 4.5rem;
  overflow: hidden;
}

.products-hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 0 38%, rgba(255, 107, 0, 0.16) 38% 39%, transparent 39% 100%),
    repeating-linear-gradient(90deg, transparent 0 calc(100% / 12 - 1px), rgba(42, 59, 76, 0.5) 0 calc(100% / 12));
  pointer-events: none;
}

.products-hero::after {
  content: '';
  position: absolute;
  width: 45vw;
  height: 45vw;
  min-width: 320px;
  min-height: 320px;
  top: -12%;
  right: 8%;
  background: var(--pv-primary);
  clip-path: polygon(28% 0, 100% 0, 100% 72%, 72% 100%, 0 100%, 0 28%);
  opacity: 0.92;
  z-index: 0;
}

.products-hero__inner {
  position: relative;
  z-index: 1;
}

.products-hero__inner .breadcrumb {
  margin-bottom: 3rem;
}

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

.products-hero__title {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 900;
  font-size: clamp(2.25rem, 7vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0.25rem 0 1rem;
  max-width: 640px;
}

.products-hero__desc {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.82);
  max-width: 560px;
  margin-bottom: 2rem;
}

.products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.products-hero__download {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 800;
  color: var(--pv-text);
  border: 2px solid var(--pv-text);
  box-shadow: var(--pv-shadow);
  padding: 0.9rem 1.6rem;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.products-hero__download:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 #111827;
  background: #d8ff29;
}

.products-hero__download-icon {
  width: 1.1rem;
  height: 1.1rem;
  border-left: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  transform: rotate(-45deg) translate(-2px, -2px);
}

.products-hero__alt {
  text-decoration: none;
  color: var(--pv-text-inverse);
  border-color: rgba(245, 247, 250, 0.5);
}

.products-hero__note {
  font-size: 0.8125rem;
  color: rgba(245, 247, 250, 0.55);
  letter-spacing: 0.04em;
}

.products-hero__visual {
  position: relative;
}

.products-hero__image {
  width: 100%;
  border: 3px solid var(--pv-text-inverse);
  box-shadow: 10px 10px 0 rgba(200, 255, 0, 0.85);
}

.products-hero__qr {
  position: absolute;
  right: calc(2.5% + 24px);
  bottom: -18%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  background: var(--pv-bg-light);
  color: var(--pv-text);
  padding: 0.8rem;
  border: 3px solid var(--pv-text);
  box-shadow: 4px 4px 0 var(--pv-primary);
  transform: rotate(0deg);
}

.products-hero__qr-code {
  width: 96px;
  height: auto;
}

.products-hero__qr-code rect,
.products-hero__qr-code path {
  shape-rendering: crispEdges;
}

.products-hero__qr-label {
  font-family: var(--pv-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ========== V4 快速下载区 ========== */
.products-download {
  position: relative;
  background: var(--pv-deep);
  padding: 4.5rem 0;
  overflow: hidden;
}

.products-download::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(255, 107, 0, 0.08) 14px 15px);
  pointer-events: none;
}

.products-download .container {
  position: relative;
}

.products-download__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.products-download__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

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

.products-download__item {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: flex-start;
  background: var(--pv-surface-mid);
  border: 2px solid var(--pv-grid);
  padding: 1.25rem;
  transition: border-color 0.25s ease-out, transform 0.25s ease-out;
}

.products-download__item:hover {
  border-color: var(--pv-primary);
  transform: translateY(-2px);
}

.products-download__icon {
  font-family: var(--pv-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--pv-primary);
  background: rgba(255, 107, 0, 0.12);
  padding: 0.375rem 0.625rem;
  border: 2px solid var(--pv-primary);
}

.products-download__meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.products-download__meta strong {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-size: 1.0625rem;
  color: var(--pv-text-inverse);
}

.products-download__note {
  font-size: 0.8125rem;
  color: rgba(245, 247, 250, 0.6);
  line-height: 1.5;
}

.products-download__item .btn {
  text-decoration: none;
  color: var(--pv-text);
  font-weight: 800;
}

.products-download__banner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
  background: var(--pv-primary);
  color: var(--pv-text);
  padding: 1.75rem;
  border: 3px solid var(--pv-text);
  box-shadow: var(--pv-shadow);
}

.products-download__banner-img {
  width: 128px;
  height: 128px;
  border: 3px solid var(--pv-text);
  box-shadow: var(--pv-shadow-sm);
}

.products-download__banner-title {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.products-download__banner-text p {
  line-height: 1.7;
  font-size: 0.9375rem;
  margin: 0;
}

.products-download__banner .btn {
  text-decoration: none;
  justify-self: start;
  background: var(--pv-bg-dark);
  color: var(--pv-text-inverse);
  border-color: var(--pv-text);
  box-shadow: 3px 3px 0 var(--pv-text);
}

/* ========== 版本演进时间线 ========== */
.products-timeline {
  background: var(--pv-bg-light);
  color: var(--pv-text);
  padding: 4.5rem 0;
}

.products-timeline .section-desc {
  color: rgba(17, 24, 39, 0.7);
}

.products-timeline__header {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.products-timeline__header .btn {
  color: var(--pv-text);
}

.products-timeline__map {
  width: 100%;
  height: auto;
  border: 3px solid var(--pv-text);
  box-shadow: 8px 8px 0 rgba(255, 107, 0, 0.75);
  margin-bottom: 2.5rem;
}

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

.products-timeline__card {
  position: relative;
  background: #FFFFFF;
  border: 3px solid var(--pv-text);
  box-shadow: var(--pv-shadow-sm);
  padding: 1.5rem 1.25rem 1.25rem;
  transition: box-shadow 0.25s ease-out, transform 0.25s ease-out;
}

.products-timeline__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--pv-primary);
  transform-origin: left;
}

.products-timeline__card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--pv-text);
}

.products-timeline__card--v4 {
  border-color: var(--pv-primary);
  background: #FFF8F2;
}

.products-timeline__card--v4::after {
  content: 'CURRENT';
  position: absolute;
  top: -0.75rem;
  right: 1rem;
  font-family: var(--pv-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  background: var(--pv-neon);
  color: var(--pv-text);
  padding: 0.3rem 0.6rem;
  border: 2px solid var(--pv-text);
}

.products-timeline__heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.products-timeline__marker {
  width: 14px;
  height: 14px;
  background: var(--pv-primary);
  border: 2px solid var(--pv-text);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.products-timeline__name {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 900;
  font-size: 1.25rem;
  flex: 1;
  margin: 0;
}

.products-timeline__year {
  font-size: 0.875rem;
  color: rgba(17, 24, 39, 0.6);
}

.products-timeline__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.78);
  margin: 0 0 1rem;
}

.products-timeline__toggle {
  font-family: var(--pv-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  background: transparent;
  border: 2px solid var(--pv-text);
  box-shadow: 2px 2px 0 var(--pv-text);
  color: var(--pv-text);
  padding: 0.5rem 0.875rem;
  cursor: pointer;
  transition: background 0.2s ease-out;
}

.products-timeline__toggle:hover {
  background: var(--pv-primary);
}

.products-timeline__detail {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(17, 24, 39, 0.4);
}

.products-timeline__detail ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.products-timeline__detail li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.products-timeline__detail li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--pv-primary);
  font-size: 0.875rem;
}

/* ========== 旧版本资源 ========== */
.products-legacy {
  background: var(--pv-bg-dark);
  padding: 4.5rem 0;
}

.products-legacy__header {
  margin-bottom: 2.5rem;
}

.products-legacy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

.products-legacy__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  background: var(--pv-surface-mid);
  border: 2px solid var(--pv-grid);
  padding: 1.25rem;
  transition: border-color 0.25s ease-out;
}

.products-legacy__card:hover {
  border-color: var(--pv-primary);
}

.products-legacy__cover {
  width: 100%;
  max-width: 200px;
  height: 200px;
  border: 2px solid var(--pv-grid);
}

.products-legacy__info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.products-legacy__name {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
}

.products-legacy__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(245, 247, 250, 0.7);
  flex: 1;
  margin: 0;
}

.products-legacy__info .btn {
  color: var(--pv-text-inverse);
  border-color: rgba(245, 247, 250, 0.5);
  text-decoration: none;
  margin-top: 0.75rem;
}

.products-legacy__note {
  margin-top: 1.5rem;
}

/* ========== 设备适配清单 ========== */
.products-compat {
  position: relative;
  background:
    repeating-linear-gradient(90deg, transparent 0 calc(100% / 6 - 1px), rgba(42, 59, 76, 0.35) 0 calc(100% / 6)),
    var(--pv-deep);
  padding: 4.5rem 0;
}

.products-compat__header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.products-compat__hero {
  width: 100%;
  height: auto;
  border: 2px solid rgba(245, 247, 250, 0.8);
  box-shadow: 8px 8px 0 rgba(255, 107, 0, 0.6);
}

.products-compat__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.products-compat__radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.products-compat__toggle {
  font-family: var(--pv-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 250, 0.85);
  background: transparent;
  border: 2px solid rgba(245, 247, 250, 0.5);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: background 0.2s ease-out, border-color 0.2s ease-out, transform 0.2s ease-out;
}

.products-compat__toggle:hover {
  border-color: var(--pv-neon);
}

.products-compat__radio:checked + .products-compat__toggle {
  background: var(--pv-neon);
  color: var(--pv-text);
  border-color: var(--pv-text);
  box-shadow: 3px 3px 0 var(--pv-primary);
}

.products-compat__table-wrap {
  overflow-x: auto;
  border: 2px solid var(--pv-grid);
  background: var(--pv-surface-mid);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
}

.products-compat__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.products-compat__table thead {
  background: var(--pv-primary);
}

.products-compat__table th {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--pv-text);
  padding: 0.9375rem 1rem;
  text-align: left;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.products-compat__table td {
  padding: 0.9rem 1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--pv-grid);
  color: rgba(245, 247, 250, 0.88);
  vertical-align: middle;
}

.products-compat__table .version-chip {
  font-size: 0.8125rem;
}

.products-compat__table tbody tr {
  transition: background 0.2s ease-out;
}

.products-compat__table tbody tr:hover {
  background: rgba(255, 107, 0, 0.12);
}

.products-compat__aside {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.products-compat__aside .btn {
  text-decoration: none;
}

.products-compat__aside .btn:first-child {
  color: var(--pv-text);
}

.products-compat__aside .btn--ghost {
  color: var(--pv-text-inverse);
}

/* 纯 CSS 筛选：不依赖 JS */
.products-compat__radio#filter-ios:checked ~ .products-compat__table-wrap .products-compat__row[data-platform]:not([data-platform="ios"]),
.products-compat__radio#filter-android:checked ~ .products-compat__table-wrap .products-compat__row[data-platform]:not([data-platform="android"]),
.products-compat__radio#filter-desktop:checked ~ .products-compat__table-wrap .products-compat__row[data-platform]:not([data-platform="desktop"]) {
  display: none;
}

/* ========== 响应式 ========== */
@media (min-width: 640px) {
  .products-hero {
    padding: 8.5rem 0 5.5rem;
  }

  .products-download__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-legacy__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-legacy__cover {
    width: 200px;
  }

  .products-compat__header {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .products-download__banner {
    grid-template-columns: auto 1fr auto;
  }
}

@media (min-width: 900px) {
  .products-hero {
    padding: 9rem 0 6rem;
  }

  .products-hero__main {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }

  .products-hero__title {
    font-size: 3.75rem;
  }

  .products-download {
    padding: 6rem 0;
  }

  .products-download__split {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4rem;
  }

  .products-timeline {
    padding: 6rem 0;
  }

  .products-timeline__track {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }

  .products-timeline__card--v4 {
    grid-column: span 2;
  }

  .products-legacy {
    padding: 6rem 0;
  }

  .products-legacy__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .products-compat {
    padding: 6rem 0;
  }
}

@media (min-width: 1200px) {
  .products-timeline__track {
    grid-template-columns: repeat(4, 1fr);
  }

  .products-timeline__card--v4 {
    grid-column: span 1;
  }
}

/* 防止横向溢出 */
.page-products,
.page-products * {
  max-inline-size: 100%;
}

.page-products .breadcrumb__link,
.page-products .products-timeline__toggle,
.page-products .products-compat__aside .btn {
  font-family: 'Noto Sans SC', sans-serif;
}

.page-products .btn--large {
  font-size: 1.0625rem;
  padding: 0.85rem 1.5rem;
}