.page-products {
  --page-shadow: 4px 4px 0 var(--color-ink);
  --page-shadow-lg: 8px 8px 0 var(--color-ink);
  --page-shadow-sm: 2px 2px 0 var(--color-ink);

  max-width: 100%;
  overflow-x: clip;
}

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

.page-products a:focus-visible,
.page-products .btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Hero ===== */
.page-products .products-hero {
  background: var(--color-primary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding: 132px 0 72px;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 220px;
  background: linear-gradient(153deg, transparent 42%, rgba(242, 98, 42, 0.55) 42%, rgba(242, 98, 42, 0.55) 58%, transparent 58%);
  opacity: 0.7;
  pointer-events: none;
}

.page-products .products-hero .breadcrumb {
  margin-bottom: 48px;
  font-size: 14px;
}

.page-products .products-hero .breadcrumb-link {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.page-products .products-hero .breadcrumb-link:hover {
  color: var(--color-white);
}

.page-products .products-hero .breadcrumb-divider {
  margin-inline: 8px;
  color: var(--color-gold);
}

.page-products .products-hero .breadcrumb-current {
  color: var(--color-white);
}

.page-products .products-hero__grid {
  gap: 40px;
}

.page-products .products-hero .eyebrow {
  color: var(--color-gold);
  margin-bottom: 12px;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.page-products .products-hero .page-heading {
  font-family: var(--font-heading);
  font-size: 40px;
  line-height: 1.1;
  color: var(--color-white);
  margin: 0 0 8px;
}

.page-products .products-hero__subtitle {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-accent);
  margin: 0;
}

.page-products .products-hero .intro {
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 28px;
  max-width: 66ch;
}

.page-products .products-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.page-products .products-hero__stats .stat {
  background: rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--color-accent);
  padding: 12px 16px;
}

.page-products .products-hero__stats .stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 36px;
  line-height: 1;
  color: var(--color-white);
}

.page-products .products-hero__stats .stat-label {
  display: inline-block;
  margin-top: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.page-products .products-hero .speed-lines {
  margin-top: 56px;
}

/* ===== 通用章节 ===== */
.page-products .chapter {
  margin-bottom: 40px;
  position: relative;
}

.page-products .chapter-num {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.9;
  color: var(--color-gold);
  text-shadow: 2px 2px 0 var(--color-ink);
  margin-bottom: 8px;
  letter-spacing: -0.04em;
}

.page-products .chapter-title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.15;
  color: var(--color-ink);
  margin: 0 0 12px;
}

.page-products .chapter-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.82;
  margin: 0;
  max-width: 62ch;
}

.page-products .chapter--inverse .chapter-title {
  color: var(--color-white);
}

.page-products .chapter--inverse .chapter-desc {
  color: rgba(255, 255, 255, 0.82);
}

.page-products .chapter--inverse .chapter-num {
  text-shadow: 2px 2px 0 var(--color-accent);
}

/* ===== 01 版本对照 ===== */
.page-products .version-section {
  background: var(--color-cream);
  padding: 72px 0 88px;
}

.page-products .compare-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.page-products .version-card {
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow);
  padding: 24px;
  position: relative;
  transition: box-shadow 0.2s ease-out, border-color 0.2s ease-out, transform 0.2s ease-out;
}

.page-products .version-card:hover,
.page-products .version-card:focus-within {
  box-shadow: var(--page-shadow-lg);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.page-products .version-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products .version-card__code {
  font-family: var(--font-heading);
  font-size: clamp(48px, 10vw, 76px);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: var(--color-primary);
  white-space: nowrap;
}

.page-products .version-card--v30 .version-card__code {
  color: var(--color-accent);
}

.page-products .version-card__img {
  margin-bottom: 20px;
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow-sm);
}

.page-products .version-card__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .version-card__title {
  font-family: var(--font-heading);
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--color-ink);
}

.page-products .version-card__desc {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
  color: var(--color-ink);
  opacity: 0.82;
}

.page-products .version-card__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .version-card__features li {
  padding-left: 20px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
}

.page-products .version-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.46em;
  width: 10px;
  height: 2px;
  background: var(--color-accent);
}

.page-products .compare-stage__divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  position: relative;
  min-height: 56px;
}

.page-products .compare-stage__bolt {
  filter: drop-shadow(3px 3px 0 var(--color-ink));
  transform: rotate(12deg);
}

.page-products .compare-stage__label {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  writing-mode: horizontal-tb;
}

/* ===== 01 对比表格 ===== */
.page-products .version-table {
  margin-bottom: 48px;
}

.page-products .compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow);
  min-width: 640px;
}

.page-products .compare-table caption {
  text-align: left;
  padding: 8px 0;
  font-size: 14px;
}

.page-products .compare-table th,
.page-products .compare-table td {
  border: 1px solid var(--color-chalk);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
  vertical-align: top;
  color: var(--color-ink);
}

.page-products .compare-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 15px;
  border-color: var(--color-primary);
}

.page-products .compare-table tbody th {
  background: var(--color-cream);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .compare-table tbody tr:nth-child(even) td {
  background: rgba(232, 224, 210, 0.18);
}

/* ===== 01 参数铭牌 ===== */
.page-products .param-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.page-products .param-card {
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--page-shadow-sm);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.page-products .param-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--page-shadow);
}

.page-products .param-card__value {
  display: block;
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.page-products .param-card:nth-child(2) .param-card__value {
  color: var(--color-accent);
}

.page-products .param-card__label {
  font-size: 13px;
  color: var(--color-ink);
  opacity: 0.75;
}

/* ===== 02 内容中心 ===== */
.page-products .hub-section {
  background: var(--color-primary-deep);
  color: var(--color-white);
  padding: 72px 0 80px;
}

.page-products .hub-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.page-products .hub-copy__lead {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 24px;
}

.page-products .hub-categories__title {
  font-family: var(--font-heading);
  font-size: 18px;
  margin: 0 0 16px;
  color: var(--color-white);
}

.page-products .hub-categories__list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .hub-categories__item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--color-white);
  padding: 6px 14px;
  font-size: 14px;
  line-height: 1.3;
  border-radius: 2px;
  transition: background 0.2s ease-out, border-color 0.2s ease-out;
}

.page-products .hub-categories__item:hover {
  background: rgba(242, 98, 42, 0.35);
  border-color: var(--color-accent);
}

.page-products .hub-visual__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.page-products .hub-visual__caption strong {
  font-family: var(--font-heading);
  font-size: 26px;
  color: var(--color-gold);
}

.page-products .hub-visual__img {
  position: relative;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  border: 2px solid var(--color-chalk);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.42);
  background: var(--color-chalk);
}

.page-products .hub-visual__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .hub-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .hub-feature {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-top: 4px solid var(--color-accent);
  padding: 24px;
  transition: background 0.2s ease-out, border-color 0.2s ease-out;
}

.page-products .hub-feature:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent);
}

.page-products .hub-feature h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--color-white);
}

.page-products .hub-feature p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
}

/* ===== 03 当天入口 ===== */
.page-products .entry-section {
  background: var(--color-cream);
  padding: 72px 0 80px;
}

.page-products .entry-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-bottom: 28px;
}

.page-products .entry-visual__img {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow-lg);
  background: var(--color-chalk);
}

.page-products .entry-visual__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .entry-steps__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-products .entry-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: flex-start;
}

.page-products .entry-steps__num {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-white);
  background: var(--color-accent);
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow-sm);
}

.page-products .entry-steps__body h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-ink);
  margin: 0 0 6px;
}

.page-products .entry-steps__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.8;
  margin: 0;
}

.page-products .entry-steps__cta {
  display: block;
  text-align: center;
  padding: 14px 24px;
  font-size: 16px;
}

.page-products .entry-note {
  border-left: 4px solid var(--color-gold);
  background: var(--color-white);
  border: 1px solid var(--color-chalk);
  border-left-width: 4px;
  padding: 14px 20px;
  margin-top: 12px;
}

.page-products .entry-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-ink);
  opacity: 0.75;
}

/* ===== 04 订阅推送 ===== */
.page-products .subscribe-section {
  background: var(--color-primary-deep);
  color: var(--color-white);
  padding: 72px 0 80px;
}

.page-products .subscribe-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .subscribe-copy .hub-copy__lead {
  margin-bottom: 24px;
}

.page-products .subscribe-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.page-products .subscribe-stats .stat {
  background: rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--color-accent);
  padding: 10px 16px;
  min-width: 120px;
}

.page-products .subscribe-stats .stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1;
  color: var(--color-gold);
}

.page-products .subscribe-stats .stat-label {
  display: inline-block;
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.page-products .subscribe-preview__img {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 2px solid var(--color-chalk);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.4);
  background: var(--color-chalk);
  max-width: 480px;
}

.page-products .subscribe-preview__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .subscribe-panel {
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow-lg);
  padding: 32px 28px;
  align-self: start;
}

.page-products .subscribe-panel__title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-ink);
  margin: 0 0 12px;
}

.page-products .subscribe-panel__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.8;
  margin: 0 0 24px;
}

.page-products .subscribe-panel__btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 14px 20px;
  font-size: 16px;
  margin-bottom: 16px;
}

.page-products .subscribe-panel__hint {
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-ink);
  opacity: 0.6;
  margin: 0 0 12px;
}

.page-products .subscribe-panel__more {
  font-size: 14px;
}

/* ===== 05 选择版本 ===== */
.page-products .choose-section {
  background: var(--color-cream);
  padding: 72px 0 80px;
}

.page-products .choose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.page-products .choose-card {
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow);
  padding: 28px 24px;
  border-top-width: 6px;
  transition: box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.page-products .choose-card:hover {
  box-shadow: var(--page-shadow-lg);
  transform: translateY(-2px);
}

.page-products .choose-card--v21 {
  border-top-color: var(--color-primary);
}

.page-products .choose-card--v30 {
  border-top-color: var(--color-accent);
}

.page-products .choose-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-ink);
  margin: 0 0 10px;
}

.page-products .choose-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  opacity: 0.8;
  margin: 0;
}

.page-products .choose-tips {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .choose-tip {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-white);
  border: 1px solid var(--color-chalk);
  border-left: 4px solid var(--color-gold);
  padding: 20px;
}

.page-products .choose-tip__icon {
  font-size: 24px;
  line-height: 1;
  color: var(--color-accent);
  background: var(--color-cream);
  border: 2px solid var(--color-ink);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-products .choose-tip h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--color-ink);
}

.page-products .choose-tip p {
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  color: var(--color-ink);
  opacity: 0.75;
}

/* ===== 相关导航 ===== */
.page-products .related-section {
  background: var(--color-cream);
  padding: 0 0 80px;
}

.page-products .related-title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-ink);
  margin: 0 0 24px;
}

.page-products .related-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--color-white);
  border: 2px solid var(--color-ink);
  box-shadow: var(--page-shadow-sm);
  padding: 24px;
  text-decoration: none;
  color: var(--color-ink);
  transition: box-shadow 0.2s ease-out, border-color 0.2s ease-out, transform 0.2s ease-out;
}

.page-products .related-card:hover {
  box-shadow: var(--page-shadow);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.page-products .related-card__tag {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-products .related-card strong {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.3;
}

/* ===== 断点：平板与桌面 ===== */
@media (min-width: 768px) {
  .page-products .products-hero {
    padding: 160px 0 88px;
  }

  .page-products .products-hero .page-heading {
    font-size: 52px;
  }

  .page-products .products-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .compare-stage {
    grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr);
    gap: 20px;
    align-items: center;
  }

  .page-products .compare-stage__divider {
    height: 100%;
  }

  .page-products .compare-stage__label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }

  .page-products .hub-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .hub-feature-grid,
  .page-products .choose-tips,
  .page-products .related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .entry-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .subscribe-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 48px;
  }

  .page-products .choose-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .subscribe-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .param-card__value {
    font-size: 36px;
  }
}

@media (min-width: 1100px) {
  .page-products .products-hero .page-heading {
    font-size: 64px;
  }

  .page-products .products-hero__subtitle {
    font-size: 28px;
  }

  .page-products .version-card {
    padding: 32px;
  }

  .page-products .version-card__code {
    font-size: 96px;
  }

  .page-products .subscribe-panel {
    padding: 40px;
  }
}