.article-product-page {
  --article-card-surface: var(--ui-surface-card-overlay);
  --article-card-border: rgba(151, 190, 219, 0.38);
  --article-card-shadow: var(--ui-shadow-elevated);
  --article-card-radius: var(--ui-radius-md);
  --article-page-safe-top: var(--navbar-layout-bar-height);
  --article-text-primary: var(--ui-color-text-strong);
  --article-text-secondary: var(--ui-color-text-body);
  --article-text-inverse: var(--ui-color-white);
  --article-text-inverse-soft: rgba(255, 255, 255, 0.92);
  --article-accent-line: var(--ui-color-brand-blue);
  --article-orbit-border-lg: rgba(0, 120, 212, 0.08);
  --article-orbit-border-md: rgba(0, 120, 212, 0.12);
  --article-orbit-border-sm: rgba(0, 120, 212, 0.50);
  --article-orbit-border-solid: rgba(0, 120, 212, 0.2);
  --article-orbit-surface-lg: rgba(206, 232, 255, 0.2);
  --article-orbit-surface-md: rgba(206, 232, 255, 0.4);
  --article-orbit-surface-sm: rgb(206, 232, 255);
  --article-orbit-surface-solid: rgb(206, 232, 255);
  --article-orbit-wave-duration: 3000ms;
  --article-orbit-wave-easing: cubic-bezier(0.3, 0, 1, 1);
  --article-orbit-wave-opacity: 1;
  --article-orbit-wave-base-size: 68%;
  --article-orbit-wave-scale-from: 1;
  --article-orbit-wave-scale-to: 1.75;
  --article-metric-radius: var(--ui-radius-md);
  --article-metric-surface-top: var(--ui-color-bg-soft);
  --article-metric-surface-bottom: var(--ui-color-brand-blue);
  --article-metric-shadow: 0 18px 36px rgba(15, 91, 147, 0.14);
  --article-shell-width: min(1600px, 95%);
  color: var(--article-text-primary);
  background: var(--ui-color-page-bg);
}

html.article-product-page-root,
html.article-product-page-root body {
  height: auto;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

.article-product-page .fullpage-container {
  height: auto;
  min-height: 0;
  overflow: visible;
}

.article-product-page .page {
  position: relative;
  min-height: var(--page-height);
  height: auto;
  overflow: visible;
  scroll-snap-align: start;
}

/* 产品页首屏与内容区直接使用 lvh，避免地址栏伸缩导致段落高度跳动 */
.article-product-page .page-height-55 {
  --page-height: 55lvh;
}

.article-product-page .page-height-70 {
  --page-height: 70lvh;
}

.article-product-section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.article-product-section-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-product-page .page-content {
  position: relative;
  z-index: 1;
  align-items: stretch;
  min-height: inherit;
  height: auto;
  padding:
    clamp(32px, 9vw, 52px)
    clamp(16px, 5vw, 24px);
  text-align: left;
}

.article-product-page .footer-page {
  min-height: 0;
}

.article-product-page .footer-page .page-content {
  min-height: 0;
  height: auto;
  padding: 0;
}

.article-product-page .section-contact {
  --page-height: 55lvh;
  min-height: 0;
  height: var(--page-height);
  min-height: var(--page-height);
  overflow: hidden;
}

.article-product-page .section-contact .page-content {
  min-height: 0;
  height: 100%;
  padding: 0;
}

.article-product-page .footer-page .page-content > * {
  width: 100%;
}

.article-product-page .ui-card {
  border: 1px solid var(--article-card-border);
  border-radius: var(--article-card-radius);
  background: var(--article-card-surface);
  box-shadow: var(--article-card-shadow);
  backdrop-filter: blur(var(--ui-blur-card-elevated));
}

.article-product-section-stack {
  gap: clamp(20px, 2.8vw, 32px);
}

.article-product-kicker {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--ui-radius-pill);
  background: transparent;
  color: var(--article-text-primary);
  font-size: var(--font-title-lg);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: none;
}

.article-product-banner {
  position: relative;
  width: 100%;
  min-height: 100%;
}

.article-product-banner.ui-shell {
  width: var(--article-shell-width);
}

.article-product-banner-page .page-content {
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--article-page-safe-top) + clamp(32px, 9vw, 52px));
}

.article-product-banner-page .page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.article-product-banner__overlay {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 24px;
  color: var(--article-text-inverse);
  text-align: center;
}

.article-product-banner__title {
  margin: 0;
  font-size: var(--font-title-xl);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.article-product-banner__model {
  font-size: var(--font-title-lg);
  color: var(--article-text-inverse-soft);
}

.article-product-features-page {
  --article-section-target-height: var(--page-height, var(--default-page-height));
  --article-section-pad-top: clamp(56px, calc(var(--article-section-target-height) * 0.08), 92px);
  --article-section-pad-bottom: clamp(28px, calc(var(--article-section-target-height) * 0.05), 56px);
  --article-features-bottom-safe-space: 80px;
  --article-features-body-height: max(
    440px,
    calc(var(--article-section-target-height) - var(--article-section-pad-top) - var(--article-section-pad-bottom) - var(--article-features-bottom-safe-space))
  );
  --article-features-layout-gap: clamp(28px, 3.2vw, 46px);
  --article-features-media-gap: clamp(18px, 2vw, 24px);
  --article-features-grid-gap: clamp(18px, 2vw, 24px);
  --article-features-metrics-gap: clamp(12px, 1.25vw, 16px);
  --article-features-media-height: clamp(320px, calc(var(--article-features-body-height) * 0.72), 820px);
  --article-features-metric-height: clamp(96px, calc(var(--article-features-body-height) * 0.16), 128px);
  --article-features-metric-visual-width: clamp(44px, 3.2vw, 68px);
  --article-features-metric-visual-height: clamp(34px, 2.8vw, 56px);
  --article-features-card-padding: clamp(12px, calc(var(--article-section-target-height) * 0.018), 18px);
  --article-features-card-min-height: clamp(88px, calc(var(--article-features-body-height) * 0.145), 116px);
  --article-features-feature-size: var(--font-body-lg);
  --article-features-feature-line-height: 1.38;
  --article-features-benefit-size: var(--font-body-md);
  --article-features-benefit-line-height: 1.56;
  min-height: var(--article-section-target-height);
  height: var(--article-section-target-height);
}

.article-product-features-page .page-content,
.article-product-assurance-page .page-content {
  align-items: center;
  justify-content: center;
}

.article-product-features-page .page-content {
  padding-top: var(--article-section-pad-top);
  padding-bottom: calc(var(--article-section-pad-bottom) + var(--article-features-bottom-safe-space));
}

.article-product-features-page .ui-shell,
.article-product-assurance-page .ui-shell {
  width: 100%;
}

.article-product-features-page .section-heading,
.article-product-assurance-page .section-heading {
  margin-bottom: clamp(8px, 1.2vw, 14px);
}

.article-product-features-page .article-product-section-stack {
  gap: clamp(18px, calc(var(--article-section-target-height) * 0.028), 32px);
}

.article-product-features-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.2fr);
  gap: var(--article-features-layout-gap);
  align-items: stretch;
}

.article-product-features-media {
  /* 主图与圆圈背景只允许按同一标量等比缩放 */
  --article-features-product-size: min(88%, clamp(480px, 22vw, 640px));
  /* 圆圈相对主图中心的偏移按尺寸同比例缩放 */
  --article-features-orbit-offset-x: calc(var(--article-features-product-size) * -0.18);
  --article-features-orbit-offset-y: calc(var(--article-features-product-size) * 0.06);
  --article-features-product-shift-y: clamp(56px, calc(var(--article-features-product-size) * 0.04), 82px);
  position: relative;
  display: grid;
  grid-template-areas:
    "visual"
    "metrics";
  grid-template-rows: minmax(var(--article-features-media-height), 1fr) auto;
  gap: var(--article-features-media-gap);
  align-content: stretch;
  height: 100%;
  min-width: 0;
}

.article-product-features-media__orbits {
  grid-area: visual;
  position: relative;
  z-index: 0;
  width: var(--article-features-product-size);
  aspect-ratio: 1 / 1;
  justify-self: center;
  align-self: center;
  overflow: visible;
  pointer-events: none;
  transform: translate(var(--article-features-orbit-offset-x), var(--article-features-orbit-offset-y));
}

.article-product-features-media__orbit {
  position: absolute;
  inset: 50% auto auto 50%;
  border-radius: 50%;
  overflow: visible;
  transform: translate(-50%, -50%);
}

/* 扩散波纹 */
.article-product-features-media__orbit::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--article-orbit-border-md);
  border-radius: inherit;
  background: var(--article-orbit-surface-md);
  opacity: var(--article-orbit-wave-opacity);
  transform: scale(var(--article-orbit-wave-scale-from));
clip-path: circle(50% at 50% 50%);
  will-change: transform, opacity;
}

/* 常驻底圈不参与扩散 */
.article-product-features-media__orbit--static {
  width: var(--article-orbit-wave-base-size);
  height: var(--article-orbit-wave-base-size);
  z-index: 5;
}

.article-product-features-media__orbit--static::before {
  border-color: var(--article-orbit-border-solid);
  background: var(--article-orbit-surface-solid);
  opacity: 1;
}

.article-product-features-media__orbit--lg {
  width: var(--article-orbit-wave-base-size);
  height: var(--article-orbit-wave-base-size);
  --article-orbit-wave-delay: -1000ms;
}

.article-product-features-media__orbit--md {
  width: var(--article-orbit-wave-base-size);
  height: var(--article-orbit-wave-base-size);
  --article-orbit-wave-delay: -2000ms;
}

.article-product-features-media__orbit--sm {
  width: var(--article-orbit-wave-base-size);
  height: var(--article-orbit-wave-base-size);
  --article-orbit-wave-delay: -3000ms;
}


.article-product-features-media__window {
  grid-area: visual;
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: var(--article-features-product-size);
  justify-self: center;
  align-self: center;
  min-height: 0;
  height: auto;
  background: transparent;
}

.article-product-features-media__window img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
  transform: translateY(var(--article-features-product-shift-y));
}

.article-product-features-metrics {
  grid-area: metrics;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--article-features-metrics-gap);
}

.article-product-features-metric {
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: var(--article-features-metric-height);
  border: 1px solid var(--article-card-border);
  border-radius: var(--article-metric-radius);
  overflow: hidden;
  background: var(--article-metric-surface-top);
  box-shadow: var(--article-metric-shadow);
  display: grid;
  grid-template-rows: 62% 38%;
}

.article-product-features-metric__visual {
  display: block;
  width: var(--article-features-metric-visual-width);
  height: var(--article-features-metric-visual-height);
  justify-self: center;
  align-self: center;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.article-product-features-metric:nth-child(1) .article-product-features-metric__visual {
  background-image: url("../../img/product-page/FeNO.png");
}

.article-product-features-metric:nth-child(2) .article-product-features-metric__visual {
  background-image: url("../../img/product-page/CaNO.png");
}

.article-product-features-metric:nth-child(3) .article-product-features-metric__visual {
  background-image: url("../../img/product-page/FnNO.png");
}

.article-product-features-metric:nth-child(4) .article-product-features-metric__visual {
  background-image: url("../../img/product-page/sNO.png");
}

.article-product-features-metric__label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  background: var(--article-metric-surface-bottom);
  color: var(--article-text-inverse);
  font-size: var(--font-body-md);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.article-product-features-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--article-features-grid-gap);
}

.article-product-feature-card {
  display: grid;
  align-content: center;
  justify-items: center;
  align-items: center;
  gap: 0.35rem;
  min-height: var(--article-features-card-min-height);
  padding: var(--article-features-card-padding);
  text-align: center;
}

.article-product-feature-card__icon {
  display: block;
  width: clamp(26px, 2.2vw, 42px);
  height: clamp(26px, 2.2vw, 42px);
  object-fit: contain;
}

.article-product-feature-card__feature,
.article-product-feature-card__benefit {
  margin: 0;
  width: 100%;
}

.article-product-feature-card__feature {
  color: var(--article-text-primary);
  font-size: var(--article-features-feature-size);
  font-weight: 700;
  line-height: var(--article-features-feature-line-height);
}

.article-product-feature-card__benefit {
  position: relative;
  padding-top: 0.45rem;
  color: var(--article-text-secondary);
  font-size: var(--article-features-benefit-size);
  line-height: var(--article-features-benefit-line-height);
}

.article-product-feature-card__benefit::before {
  content: "";
  display: block;
  width: min(90%, 300px);
  margin: 0 auto 0.45rem;
  border-top: 1px dashed var(--article-accent-line);
}

.article-product-assurance-page {
  --article-section-target-height: var(--page-height, var(--default-page-height));
  --article-section-pad-top: clamp(56px, calc(var(--article-section-target-height) * 0.08), 92px);
  --article-section-pad-bottom: clamp(24px, calc(var(--article-section-target-height) * 0.05), 52px);
  --article-assurance-bottom-safe-space: 80px;
  --article-assurance-body-height: max(
    420px,
    calc(var(--article-section-target-height) - var(--article-section-pad-top) - var(--article-section-pad-bottom) - var(--article-assurance-bottom-safe-space))
  );
  --article-assurance-media-width: 40%;
  --article-assurance-grid-gap: clamp(18px, calc(var(--article-assurance-body-height) * 0.032), 28px);
  --article-assurance-card-padding: clamp(18px, calc(var(--article-assurance-body-height) * 0.05), 30px);
  --article-assurance-card-gap: clamp(16px, calc(var(--article-assurance-body-height) * 0.04), 24px);
  --article-assurance-content-gap: clamp(0.55rem, calc(var(--article-assurance-body-height) * 0.0015), 0.75rem);
  --article-assurance-media-min-height: clamp(150px, calc(var(--article-assurance-body-height) * 0.26), 220px);
  --article-assurance-title-size: var(--font-title-md);
  --article-assurance-title-line-height: 1.32;
  --article-assurance-text-size: var(--font-body-md);
  --article-assurance-text-line-height: 1.58;
  min-height: var(--article-section-target-height);
  height: var(--article-section-target-height);
}

.article-product-assurance-page .page-content {
  padding-top: var(--article-section-pad-top);
  padding-bottom: var(--article-assurance-bottom-safe-space);
}

.article-product-assurance-page .article-product-section-stack {
  gap: clamp(18px, calc(var(--article-section-target-height) * 0.026), 30px);
}

.article-product-assurance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--article-assurance-grid-gap);
}

.article-product-assurance-card {
  display: grid;
  grid-template-columns: minmax(0, var(--article-assurance-media-width)) minmax(0, calc(100% - var(--article-assurance-media-width)));
  gap: var(--article-assurance-card-gap);
  align-items: center;
  padding: var(--article-assurance-card-padding);
}

.article-product-assurance-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--article-assurance-media-min-height);
  border-radius: 0;
  overflow: visible;
  background: transparent;
}

.article-product-assurance-card__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100%;
  padding: 0;
  object-fit: contain;
}

.article-product-assurance-card__content {
  display: grid;
  gap: var(--article-assurance-content-gap);
}

.article-product-assurance-card__title,
.article-product-assurance-card__text {
  margin: 0;
}

.article-product-assurance-card__title {
  color: var(--article-text-primary);
  font-size: var(--article-assurance-title-size);
  font-weight: 700;
  line-height: var(--article-assurance-title-line-height);
}

.article-product-assurance-card__text {
  color: var(--article-text-secondary);
  font-size: var(--article-assurance-text-size);
  line-height: var(--article-assurance-text-line-height);
}

/* v2 独立接管特性区排版与图标映射 不影响原详情页 */
.article-product-page--v2 .article-product-features-page {
  --article-features-feature-size: var(--font-title-md);
  --article-features-benefit-size: var(--font-body-lg);
}

.article-product-page--v2 .article-product-features-layout {
  grid-template-columns:
    minmax(0, calc((100% - var(--article-features-layout-gap)) * 0.55))
    minmax(0, calc((100% - var(--article-features-layout-gap)) * 0.45));
}

.article-product-page--v2 .article-product-features-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-product-page--v2 .article-product-features-metric--v2 .article-product-features-metric__visual--respiratory-impedance {
  background-image: url("../../img/product-page/Respiratory_Impedance.png");
}

.article-product-page--v2 .article-product-features-metric--v2 .article-product-features-metric__visual--spirometry {
  background-image: url("../../img/product-page/Spirometry.png");
}

/* 提高 v2 图标映射优先级 避免被原详情页 nth-child 图标规则覆盖 */
.article-product-page--v2 .article-product-features-metric--v2 .article-product-features-metric__visual--bronchodilator-test {
  background-image: url("../../img/product-page/Bronchodilator_Test.png");
}

.article-product-page--v2 .article-product-feature-card__benefit {
  white-space: pre-line;
}

.article-product-page--v2 .article-product-assurance-page {
  --article-assurance-text-size: var(--font-body-lg);
}

.article-product-page--v2 .article-product-assurance-card__text {
  white-space: pre-line;
}

/* v2 左侧参数卡改成白底矩形并把图标抬到上沿 */
.article-product-page--v2 .article-product-features-metric--v2 {
  position: relative;
  aspect-ratio: auto;
  min-height: max(var(--article-features-metric-height), 118px);
  padding: clamp(34px, 3vw, 42px) clamp(10px, 1vw, 16px) clamp(16px, 1.8vw, 22px);
  border: 1px solid var(--article-card-border);
  border-radius: var(--article-metric-radius);
  background: var(--ui-color-white);
  box-shadow: var(--article-metric-shadow);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: visible;
}

.article-product-page--v2 .article-product-features-metric__badge {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(33.333%, 72px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--ui-color-white);
  display: grid;
  place-items: center;
  transform: translate(-50%, -42%);
}

.article-product-page--v2 .article-product-features-metric__badge .article-product-features-metric__visual {
  width: 100%;
  height: 100%;
  max-width: calc(var(--article-features-metric-visual-width) * 1.6);
  max-height: calc(var(--article-features-metric-visual-height) * 1.6);
}

.article-product-page--v2 .article-product-features-metric__label {
  align-items: flex-start;
  width: 100%;
  justify-content: center;
  background: transparent;
  padding: 6px 0 0;
  color: var(--ui-color-brand-blue);
  text-align: center;
}

/* v2 右列卡片改成上下分层结构 */
.article-product-page--v2 .article-product-features-grid--v2 {
  grid-template-columns: 1fr;
}

.article-product-page--v2 .article-product-feature-card--stacked {
  --article-feature-title-icon-size: clamp(28px, 2.2vw, 36px);
  --article-feature-title-icon-gap: clamp(12px, 1.2vw, 16px);
  --article-feature-card-side-padding: clamp(18px, 2.2vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  overflow: hidden;
  background: var(--ui-color-white);
  align-items: stretch;
  justify-content: flex-start;
}

.article-product-page--v2 .article-product-feature-card__title {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--article-feature-title-icon-gap);
  padding:
    clamp(16px, 2vw, 22px)
    var(--article-feature-card-side-padding)
    clamp(16px, 2vw, 22px)
    var(--article-feature-card-side-padding);
  background: var(--ui-color-bg-soft);
  color: var(--ui-color-brand-blue);
  font-size: var(--article-features-feature-size);
  font-weight: 700;
  line-height: var(--article-features-feature-line-height);
  text-align: left;
}

/* 文字卡标题图标为模板输出 */
.article-product-page--v2 .article-product-feature-card__title-icon {
  width: var(--article-feature-title-icon-size);
  height: var(--article-feature-title-icon-size);
  flex: 0 0 var(--article-feature-title-icon-size);
  object-fit: contain;
}

.article-product-page--v2 .article-product-feature-card__body {
  flex: 1 1 auto;
  /* 正文左缘对齐标题文字 并空出图标下方 */
  padding:
    clamp(18px, 2.1vw, 26px)
    clamp(18px, 2.1vw, 26px)
    clamp(18px, 2.1vw, 26px)
    calc(var(--article-feature-card-side-padding) + var(--article-feature-title-icon-size) + var(--article-feature-title-icon-gap));
  background: var(--ui-color-white);
}

.article-product-page--v2 .article-product-feature-card__body-text {
  margin: 0;
  color: var(--article-text-secondary);
  font-size: var(--article-features-benefit-size);
  line-height: 1.85;
  text-align: left;
  white-space: pre-line;
}

/* v2 保障卡片改成三列标题条结构 */
.article-product-page--v2 .article-product-assurance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-product-page--v2 .article-product-assurance-card--stacked {
  display: flex;
  flex-direction: column;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
}

.article-product-page--v2 .article-product-assurance-card__title {
  --article-assurance-title-icon-size: clamp(32px, 2.4vw, 42px);
  --article-assurance-title-icon-gap: clamp(12px, 1vw, 16px);
  display: flex;
  align-items: center;
  gap: var(--article-assurance-title-icon-gap);
  width: 100%;
  flex: 0 0 auto;
  padding:
    clamp(16px, 2vw, 22px)
    clamp(18px, 2.1vw, 24px)
    clamp(16px, 2vw, 22px)
    clamp(18px, 2.1vw, 24px);
  background: var(--ui-color-brand-blue);
  color: var(--ui-color-white);
  text-align: left;
}

/* 文字卡保障标题图标改为模板输出 便于复用文章附件 */
.article-product-page--v2 .article-product-assurance-card__title-icon {
  width: var(--article-assurance-title-icon-size);
  height: var(--article-assurance-title-icon-size);
  flex: 0 0 var(--article-assurance-title-icon-size);
  object-fit: contain;
}

.article-product-page--v2 .article-product-assurance-card__body {
  flex: 1 1 auto;
  width: 100%;
  align-self: stretch;
  box-sizing: border-box;
  padding: clamp(18px, 2.1vw, 26px) clamp(18px, 2vw, 24px) clamp(20px, 2.4vw, 30px);
  background: var(--ui-color-white);
}

.article-product-page--v2 .article-product-assurance-card__body .article-product-assurance-card__text {
  color: var(--ui-color-text-body);
  text-align: left;
}

.article-product-page.article-product-io-ready [data-io] {
  opacity: 0;
  will-change: transform, opacity;
  transition-property: transform, opacity;
  transition-duration: var(--io-duration, 700ms), var(--io-duration, 700ms);
  transition-timing-function: var(--io-easing, ease), var(--io-easing, ease);
  transition-delay: var(--io-delay-out, var(--io-delay, 0ms)), var(--io-delay-out, var(--io-delay, 0ms));
}

.article-product-page.article-product-io-ready [data-io].is-inview {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: var(--io-delay-in, var(--io-delay, 0ms)), var(--io-delay-in, var(--io-delay, 0ms));
}

.article-product-page.article-product-io-ready [data-io="zoom-in-up"] {
  transform: translate3d(0, 24px, 0) scale(0.92);
}

.article-product-page.article-product-io-ready [data-io="fade-zoom-in"] {
  transform: translate3d(0, 0, 0);
}

.article-product-page.article-product-io-ready [data-io="fade-right"] {
  transform: translate3d(-40px, 0, 0);
}

.article-product-page.article-product-io-ready [data-io="fade-up"] {
  transform: translate3d(0, 40px, 0);
}

.article-product-page.article-product-io-ready [data-io="fade-up-zero"] {
  transform: translate3d(0, 0, 0);
}

.article-product-page.article-product-io-ready .article-product-features-media__orbit[data-io="fade-up-zero"],
.article-product-page.article-product-io-ready .article-product-features-media__orbit[data-io="fade-up-zero"].is-inview {
  transform: translate(-50%, -50%);
}

.article-product-page.article-product-io-ready .article-product-features-media__orbit[data-io="fade-zoom-in"],
.article-product-page.article-product-io-ready .article-product-features-media__orbit[data-io="fade-zoom-in"].is-inview {
  transform: translate(-50%, -50%);
  transition-duration: 1000ms;
}

/* 圈层进入视口后按顺序循环扩散 */
.article-product-page.article-product-io-ready .article-product-features-media__orbit:not(.article-product-features-media__orbit--static).is-inview::before {
  animation: article-product-orbit-wave var(--article-orbit-wave-duration) var(--article-orbit-wave-easing) infinite;
  animation-delay: var(--article-orbit-wave-delay, 0ms);
}

@keyframes article-product-orbit-wave {
  0% {
    opacity: var(--article-orbit-wave-opacity);
    transform: scale(var(--article-orbit-wave-scale-from));
  }

  100% {
    opacity: 0;
    transform: scale(var(--article-orbit-wave-scale-to));
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-product-page.article-product-io-ready .article-product-features-media__orbit:not(.article-product-features-media__orbit--static).is-inview::before {
    animation: none;
    opacity: 0.22;
    transform: scale(1);
  }
}

@media (max-width: 1199.98px) {
  /* 移动端产品页去掉 ui-shell 左右 margin */
  .article-product-page .page-content > .ui-shell {
    max-width: none;
  }

  /* 移动端安全区直接跟随 navbar 高度 避免正文顶到固定顶栏下方 */

  .article-product-page .page,
  .article-product-page .article-product-features-page,
  .article-product-page .article-product-assurance-page,
  .article-product-page .section-contact {
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  .article-product-page .page-content {
    min-height: inherit;
    padding:
      clamp(32px, 9vw, 52px)
      clamp(16px, 5vw, 24px);
  }

  .article-product-banner-page .page-content {
    padding-top: calc(var(--article-page-safe-top) + clamp(32px, 9vw, 52px));
  }

  /* 小卡片阴影 */
  .article-product-page {
    --article-metric-shadow: 0 0px 6px rgba(15, 91, 147, 0.16);
  }

  .article-product-banner-page {
    /* 首屏高度 */
    min-height: 56lvh;
  }

  /* 产品页首屏单独收口 并覆盖 tokens.css 的首屏最小高度兜底 */
  .article-product-page .page-height-55,
  .article-product-page .article-product-banner-page,
  .article-product-page .fullpage-container > main > .page:first-child {
    --page-height: 36lvh;
    min-height: var(--page-height);
  }

  .article-product-features-layout,
  .article-product-features-grid,
  .article-product-assurance-grid {
    grid-template-columns: 1fr;
  }

  /* 文字卡版单列布局 */
  .article-product-page--v2 .article-product-features-layout,
  .article-product-page--v2 .article-product-assurance-grid {
    grid-template-columns: 1fr;
  }

  /* 小标签单行自适应 */
  .article-product-features-metrics {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    gap: clamp(10px, 3vw, 14px);
    overflow-x: visible;
    overflow-y: visible;
    padding: 18px 2px 12px;
  }

  .article-product-features-metric {
    min-width: 0;
  }

  /* 默认模板小卡片高度按内容自适应 */
  .article-product-page:not(.article-product-page--v2) .article-product-features-metric {
    aspect-ratio: auto;
  }

  .article-product-page--v2 .article-product-features-metrics {
    /* v2 参数卡改成上二下一 避免长标题在窄屏横向顶出 */
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(10px, 3vw, 14px);
  }

  .article-product-page--v2 .article-product-features-metric--v2:nth-child(3) {
    /* 第三张卡单独落到下一行并占满整行 */
    grid-column: 1 / -1;
    width: 100%;
    justify-self: stretch;
  }

  .article-product-page--v2 .article-product-features-metric__label {
    /* 兜住超长英文词组 避免把卡片撑出容器 */
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .article-product-page--v2 .article-product-features-metric--v2 {
    min-height: 108px;
    padding: clamp(30px, 5vw, 36px) clamp(12px, 3.6vw, 18px) clamp(16px, 4vw, 20px);
  }

  .article-product-page--v2 .article-product-features-metric__badge {
    width: min(34%, 64px);
  }

  .article-product-features-layout {
    gap: 20px;
  }

  .article-product-features-media {
    grid-template-rows: auto auto;
    height: auto;
  }

  .article-product-features-media__window {
    min-height: 260px;
  }

  /* 文字卡版标题和正文内边距 */
  .article-product-page--v2 .article-product-feature-card__title,
  .article-product-page--v2 .article-product-assurance-card__title {
    padding: clamp(14px, 3.8vw, 18px) clamp(16px, 4vw, 20px);
  }

  .article-product-page--v2 .article-product-feature-card--stacked {
    --article-feature-card-side-padding: clamp(16px, 4vw, 20px);
  }

  .article-product-page--v2 .article-product-feature-card__body,
  .article-product-page--v2 .article-product-assurance-card__body {
    padding: clamp(16px, 4vw, 20px);
  }

  .article-product-page--v2 .article-product-feature-card__body {
    /* 正文左侧对齐标题文字 */
    padding-left: calc(var(--article-feature-card-side-padding) + var(--article-feature-title-icon-size) + var(--article-feature-title-icon-gap));
  }

  .article-product-assurance-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  /* 默认模板保障图尺寸 */
  .article-product-page:not(.article-product-page--v2) .article-product-assurance-card__media {
    min-height: clamp(96px, 30vw, 136px);
  }

  .article-product-page:not(.article-product-page--v2) .article-product-assurance-card__media img {
    width: auto;
    max-width: min(72%, 220px);
    max-height: clamp(96px, 30vw, 136px);
  }

  .article-product-assurance-card__content {
    justify-items: center;
  }

  /* 联系区留白 */
  .article-product-page .section-contact .page-content {
    padding: 52px 24px;
  }
}