.page-products {
  --product-edge: clamp(20px, 4vw, 56px);
  --product-card-radius: 24px;
  --product-gold-line: rgba(231, 199, 102, 0.18);
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 104px);
  background:
    radial-gradient(720px 260px at 88% -6%, rgba(231, 199, 102, 0.14), transparent 72%),
    radial-gradient(520px 240px at 4% 34%, rgba(255, 140, 66, 0.06), transparent 64%),
    var(--color-bg);
  color: var(--color-text);
}

/* ===== 通用容器 ===== */
.page-products .product-hero__inner,
.page-products .product-version__note,
.page-products .product-version__body,
.page-products .product-compat__note,
.page-products .product-compat__body,
.page-products .product-features__note,
.page-products .product-features__body,
.page-products .product-metrics__note,
.page-products .product-metrics__body,
.page-products .product-sync__note,
.page-products .product-sync__body,
.page-products .product-related__note,
.page-products .product-related__body {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--product-edge);
}

/* ===== 面包屑 ===== */
.page-products .daf-breadcrumb {
  margin-bottom: 28px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.page-products .daf-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-products .daf-breadcrumb a:hover,
.page-products .daf-breadcrumb a:focus {
  color: #f5df9b;
  border-color: var(--color-primary);
}

.page-products .daf-breadcrumb span[aria-current="page"] {
  color: var(--color-text);
}

/* ===== Hero ===== */
.page-products .product-hero {
  padding-top: clamp(36px, 6vw, 88px);
  position: relative;
}

.page-products .product-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}

.page-products .product-hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-products .product-hero__content .daf-kicker {
  color: var(--color-primary);
}

.page-products .product-hero__content h1 {
  font-family: var(--sans);
  font-size: clamp(28px, 6.4vw, 54px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--color-text);
}

.page-products .product-hero__content .daf-lede {
  font-family: var(--serif);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
  color: #c9c4ba;
  max-width: 54ch;
  margin: 0;
}

.page-products .product-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .product-tag {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--gold-soft);
  border: 1px solid var(--product-gold-line);
  padding: 7px 14px;
  border-radius: 999px;
  letter-spacing: 0.01em;
}

.page-products .product-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-products .product-hero__visual {
  position: relative;
  border-radius: var(--product-card-radius);
  overflow: hidden;
  border: 1px solid var(--product-gold-line);
  aspect-ratio: 4 / 3;
  background: var(--color-bg-raised);
}

.page-products .product-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(13, 13, 15, 0.08) 0%, transparent 58%);
  pointer-events: none;
}

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

/* ===== 章节通用间距 ===== */
.page-products .product-version,
.page-products .product-compat,
.page-products .product-features,
.page-products .product-metrics,
.page-products .product-sync,
.page-products .product-related {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: clamp(48px, 7vw, 104px);
}

.page-products .product-version__note .daf-kicker,
.page-products .product-compat__note .daf-kicker,
.page-products .product-features__note .daf-kicker,
.page-products .product-metrics__note .daf-kicker,
.page-products .product-sync__note .daf-kicker,
.page-products .product-related__note .daf-kicker {
  color: var(--color-primary);
}

.page-products .product-version__note h2,
.page-products .product-compat__note h2,
.page-products .product-features__note h2,
.page-products .product-metrics__note h2,
.page-products .product-sync__note h2,
.page-products .product-related__note h2 {
  font-family: var(--sans);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--color-text);
}

.page-products .product-version__note > p:last-child,
.page-products .product-compat__note > p:last-child,
.page-products .product-features__note > p:last-child,
.page-products .product-metrics__note > p:last-child,
.page-products .product-sync__note > p:last-child,
.page-products .product-related__note > p:last-child {
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-muted);
  margin: 0;
}

/* ===== 版本详情卡片 ===== */
.page-products .version-card {
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: var(--product-card-radius);
  padding: clamp(22px, 3.6vw, 40px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.22);
}

.page-products .version-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-deep), var(--color-primary), var(--color-accent));
  opacity: 0.9;
}

.page-products .version-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-products .version-card__badge {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(255, 140, 66, 0.1);
  border: 1px solid rgba(255, 140, 66, 0.28);
  border-radius: 999px;
  padding: 5px 12px;
  letter-spacing: 0.04em;
}

.page-products .version-card__name {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: 16px;
  color: var(--color-muted);
}

.page-products .version-card__number {
  font-family: var(--mono);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 0 28px rgba(231, 199, 102, 0.22);
}

.page-products .version-card__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--product-gold-line);
  border: 1px solid var(--product-gold-line);
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 30px;
}

.page-products .version-meta__item {
  background: #141419;
  padding: 16px 18px;
}

.page-products .version-meta__label {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.page-products .version-meta__value {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.5;
}

.page-products .version-card__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .version-card__history h3 {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 16px;
}

.page-products .version-card__visual {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--product-gold-line);
  background: #101014;
}

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

/* ===== 系统适配 ===== */
.page-products .compat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .compat-visual {
  border-radius: var(--product-card-radius);
  overflow: hidden;
  border: 1px solid var(--product-gold-line);
}

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

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

.page-products .compat-item {
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: 18px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .compat-item[open] {
  border-color: rgba(231, 199, 102, 0.42);
  background: linear-gradient(135deg, #1a1a1e 0%, #181820 100%);
}

.page-products .compat-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  font-family: var(--sans);
}

.page-products .compat-item summary::-webkit-details-marker,
.page-products .compat-item summary::marker {
  display: none;
  content: "";
}

.page-products .compat-item__os {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.page-products .compat-item__badge {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--gold-soft);
  border: 1px solid rgba(231, 199, 102, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
}

.page-products .compat-item__body {
  padding: 0 18px 18px;
  border-top: 1px solid rgba(231, 199, 102, 0.12);
  margin-top: 0;
}

.page-products .compat-item__body p {
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-muted);
  margin: 14px 0 12px;
}

.page-products .compat-item__body .daf-list {
  margin: 0 0 4px;
}

/* ===== 功能特性 ===== */
.page-products .feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .feature-card {
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: var(--product-card-radius);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .feature-card[open] {
  border-color: rgba(231, 199, 102, 0.4);
  background: linear-gradient(145deg, #1c1c21 0%, #15151a 100%);
}

.page-products .feature-card summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  cursor: pointer;
  font-family: var(--sans);
}

.page-products .feature-card summary::-webkit-details-marker,
.page-products .feature-card summary::marker {
  display: none;
  content: "";
}

.page-products .feature-card__index {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(255, 140, 66, 0.1);
  border: 1px solid rgba(255, 140, 66, 0.22);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.page-products .feature-card__heading {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
}

.page-products .feature-card__heading strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.page-products .feature-card__heading small {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.page-products .feature-card__toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--product-gold-line);
  position: relative;
  flex-shrink: 0;
  margin-top: 4px;
}

.page-products .feature-card__toggle::before,
.page-products .feature-card__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-primary);
  transition: transform 0.3s var(--ease);
}

.page-products .feature-card__toggle::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-products .feature-card__toggle::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-products .feature-card[open] .feature-card__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-products .feature-card__body {
  padding: 0 22px 22px 80px;
  border-top: 1px solid rgba(231, 199, 102, 0.1);
  margin-top: 0;
}

.page-products .feature-card__body p {
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.85;
  color: #c9c4ba;
  margin: 16px 0 12px;
}

.page-products .feature-card__body .daf-list {
  margin: 0;
}

/* ===== 性能指标 ===== */
.page-products .metrics-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-products .metrics-ring {
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: var(--product-card-radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.page-products .ring-chart {
  width: min(100%, 230px);
  height: auto;
  display: block;
}

.page-products .ring-chart__track {
  stroke: #242429;
}

.page-products .ring-chart__bar {
  stroke: var(--color-primary);
  filter: drop-shadow(0 0 10px rgba(231, 199, 102, 0.25));
}

.page-products .ring-chart__num {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  fill: var(--color-text);
}

.page-products .ring-chart__label {
  font-family: var(--sans);
  font-size: 13px;
  fill: var(--color-muted);
  letter-spacing: 0.04em;
}

.page-products .metrics-ring__note {
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 18px 0 0;
  max-width: 30ch;
}

.page-products .metrics-bars {
  display: grid;
  gap: 16px;
}

.page-products .metric-bar {
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: 20px;
  padding: 20px 22px;
}

.page-products .metric-bar__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .metric-bar__label {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.page-products .metric-bar__value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

.page-products .metric-bar__track {
  height: 10px;
  background: #242429;
  border-radius: 999px;
  overflow: hidden;
}

.page-products .metric-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary-deep), var(--color-primary));
}

.page-products .metric-bar__fill--speed {
  width: 62%;
}

.page-products .metric-bar__fill--stability {
  width: 96%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.page-products .metric-bar__note {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--color-muted);
  margin: 10px 0 0;
  line-height: 1.6;
}

.page-products .metrics-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-products .metric-stat {
  background: linear-gradient(150deg, #1c1c21 0%, #15151a 100%);
  border: 1px solid rgba(231, 199, 102, 0.2);
  border-radius: 20px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .metric-stat__num {
  font-family: var(--mono);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.page-products .metric-stat__num small {
  font-size: 0.58em;
  color: var(--color-primary);
  margin-left: 2px;
}

.page-products .metric-stat__label {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-muted);
}

.page-products .metrics-image {
  margin-top: 20px;
  border-radius: var(--product-card-radius);
  overflow: hidden;
  border: 1px solid var(--product-gold-line);
}

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

/* ===== 配置同步 ===== */
.page-products .sync-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .sync-visual {
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: var(--product-card-radius);
  padding: 16px;
  overflow: hidden;
}

.page-products .sync-flow {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .sync-flow text {
  font-family: var(--sans);
}

.page-products .sync-detail {
  display: flex;
  align-items: center;
}

.page-products .sync-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  width: 100%;
}

.page-products .sync-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.page-products .sync-step__num {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  width: 38px;
  height: 38px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--gold-soft);
  border: 1px solid rgba(231, 199, 102, 0.26);
  flex-shrink: 0;
}

.page-products .sync-step__body strong {
  display: block;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 5px;
}

.page-products .sync-step__body p {
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

.page-products .sync-image {
  margin-top: 20px;
  border-radius: var(--product-card-radius);
  overflow: hidden;
  border: 1px solid var(--product-gold-line);
}

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

/* ===== 相关链接 ===== */
.page-products .related-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-bg-raised);
  border: 1px solid var(--product-gold-line);
  border-radius: 20px;
  padding: 22px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .related-card:hover,
.page-products .related-card:focus {
  border-color: rgba(231, 199, 102, 0.5);
  background: linear-gradient(145deg, #1e1e24 0%, #191920 100%);
  transform: translateY(-4px);
}

.page-products .related-card__index {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-products .related-card strong {
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 800;
  color: var(--color-primary);
}

.page-products .related-card span:last-child {
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 720px) {
  .page-products .version-card__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .version-card__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

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

  .page-products .metrics-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-products .metrics-ring {
    grid-row: span 2;
  }

  .page-products .metrics-stats {
    flex-direction: row;
  }

  .page-products .sync-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
  }
}

@media (min-width: 920px) {
  .page-products .product-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .product-hero__visual {
    aspect-ratio: 16 / 10;
  }

  .page-products .product-version,
  .page-products .product-compat,
  .page-products .product-features,
  .page-products .product-metrics,
  .page-products .product-sync,
  .page-products .product-related {
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 64px);
  }

  .page-products .product-version__note,
  .page-products .product-compat__note,
  .page-products .product-features__note,
  .page-products .product-metrics__note,
  .page-products .product-sync__note,
  .page-products .product-related__note {
    padding-inline-start: 0;
    padding-inline-end: 0;
  }

  .page-products .product-version__body,
  .page-products .product-compat__body,
  .page-products .product-features__body,
  .page-products .product-metrics__body,
  .page-products .product-sync__body,
  .page-products .product-related__body {
    padding-inline-start: 0;
    padding-inline-end: 0;
    min-width: 0;
  }

  .page-products .compat-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: stretch;
  }

  .page-products .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: minmax(220px, auto);
  }

  .page-products .feature-card--large {
    grid-column: span 2;
  }

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

@media (min-width: 1200px) {
  .page-products .metrics-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 24px;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: no-preference) {
  .page-products .metric-bar__fill {
    animation: productBarIn 1.1s var(--ease) both;
    transform-origin: left center;
  }

  .page-products .metrics-ring__note,
  .page-products .metric-bar__note {
    animation: productFadeIn 0.9s var(--ease) both;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .metric-bar__fill {
    animation: none;
  }

  .page-products .feature-card,
  .page-products .compat-item,
  .page-products .related-card {
    transition: none;
  }
}

@keyframes productBarIn {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes productFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}