/* 首页透明态外层 */
.page-home .cm-navbar {
  --navbar-transition-duration: var(--navbar-home-mode-switch-duration, 0.55s);
  --navbar-transition-easing: ease;
  --navbar-backdrop-filter-current: var(--navbar-home-mode-transparent-backdrop-filter, none);
  border: 0 !important;
  border-bottom: 0 !important;
  background-color: rgba(
    var(--navbar-home-mode-transparent-bg-channel, 10),
    var(--navbar-home-mode-transparent-bg-channel, 10),
    var(--navbar-home-mode-transparent-bg-channel, 10),
    var(--navbar-home-mode-transparent-bg-alpha, 0)
  );
  -webkit-backdrop-filter: var(--navbar-backdrop-filter-current);
  backdrop-filter: var(--navbar-backdrop-filter-current);
  overflow: hidden;
  isolation: isolate;
  transition:
    background-color var(--navbar-transition-duration) var(--navbar-transition-easing),
    -webkit-backdrop-filter var(--navbar-transition-duration) var(--navbar-transition-easing),
    backdrop-filter var(--navbar-transition-duration) var(--navbar-transition-easing);
}

/* 首页菜单展开态容器 */
.page-home .cm-navbar:is(.is-menu-open, .is-menu-closing) {
  overflow: visible;
  isolation: auto;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* 首页菜单展开态遮罩 */
.page-home .cm-navbar:is(.is-menu-open, .is-menu-closing)::before {
  opacity: 0;
}

/* 首页透明态遮罩 */
.page-home .cm-navbar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(
    180deg,
    var(--navbar-home-mode-transparent-overlay-top, rgba(2, 2, 2, 1)) 0%,
    var(--navbar-home-mode-transparent-overlay-bottom, rgba(1, 25, 54, 0.1)) 100%
  );
  opacity: 1;
  transition: opacity var(--navbar-transition-duration) var(--navbar-transition-easing);
}

/* 首页内容层级 */
.page-home .cm-navbar > .container {
  position: relative;
  z-index: 1;
}

/* 首页默认态背景 */
.page-home .cm-navbar.navbar-white {
  background-color: var(--navbar-home-mode-default-bg-color, #EAF6FD);
}

/* 首页默认态隐藏遮罩 */
.page-home .cm-navbar.navbar-white::before {
  opacity: 0;
}

/* 通用滚动动画模块，统一由 data-io 驱动 */
[data-io] {
  opacity: 0;
  will-change: transform, opacity;
  transition-property: transform, opacity, var(--io-extra-transition-property, box-shadow);
  transition-duration:
    var(--io-duration, var(--io-duration-default)),
    var(--io-duration, var(--io-duration-default)),
    var(--io-extra-transition-duration, 0ms);
  transition-timing-function:
    var(--io-easing, var(--io-easing-default)),
    var(--io-easing, var(--io-easing-default)),
    var(--io-extra-transition-easing, ease);
  transition-delay:
    var(--io-delay-out, var(--io-delay, var(--io-delay-default))),
    var(--io-delay-out, var(--io-delay, var(--io-delay-default))),
    var(--io-extra-transition-delay, 0ms);
}

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

[data-io="zoom-in-up"] {
  transform: translate3d(0, var(--io-translate-zoom-in-up), 0)
    scale(var(--io-scale-zoom-in-up));
}

[data-io="fade-zoom-in"] {
  transform: translate3d(0, 0, 0) scale(var(--io-scale-fade-zoom-in));
}

[data-io="fade-right"] {
  transform: translate3d(calc(-1 * var(--io-translate-fade-right)), 0, 0);
}

[data-io="fade-up"] {
  transform: translate3d(0, var(--io-translate-fade-up), 0);
}

/* 单产品页模块，视频和文案的位移节奏由脚本状态控制 */
.product-page {
  --product-media-aspect-width: 976;
  --product-media-aspect-height: 746;
  --product-media-aspect-ratio: var(--product-media-aspect-width) / var(--product-media-aspect-height);
  /* 桌面端首屏安全边距 */
  --product-media-intro-safe-inline: clamp(24px, 3vw, 56px);
  --product-media-intro-safe-top: clamp(28px, 2.6vh, 48px);
  --product-media-intro-safe-bottom: clamp(62px, 4.8vh, 92px);
  --product-media-width-base: calc(100% - (var(--product-media-intro-safe-inline) * 2));
  --product-media-max-height: calc(
    var(--home-stable-viewport-height, 100dvh)
    - clamp(84px, calc(var(--home-stable-viewport-unit, 1dvh) * 10), 136px)
    - var(--product-media-intro-safe-top)
    - var(--product-media-intro-safe-bottom)
  );
  --product-media-width: min(
    var(--product-media-width-base),
    calc(var(--product-media-max-height) * var(--product-media-aspect-width) / var(--product-media-aspect-height))
  );
  --product-screen-top: 10.2%;
  --product-screen-left: 9%;
  --product-screen-width: 82%;
  --product-screen-height: 68.5%;
  --product-screen-offset-x: 0.5%;
  --product-screen-offset-y: 1.5%;
  --product-screen-radius: 10px;
  --product-screen-shadow: var(--ui-shadow-device);
  --product-media-intro-offset-y: 28px;
  --product-media-intro-duration: 1200ms;
  --product-media-intro-easing: cubic-bezier(0.22, 0.61, 0.36, 1);
  --product-media-opacity-duration: 600ms;
  --product-layout-gap: clamp(24px, 2.8vw, 44px);
  --product-info-gap: clamp(18px, 2.6vh, 30px);
  --product-info-offset-x: 20px;
  --product-shift-x-fallback: clamp(260px, 28vw, 440px);
  --product-shift-x-resolved: var(--product-shift-x-fallback);
  --product-scale-final: 0.82;
  --product-scale-final-resolved: var(--product-scale-final);
  --product-media-direct-duration: var(--product-info-transition-duration);
  --product-media-direct-easing: var(--io-easing-default);
  --product-info-transition-duration: 300ms;
  --product-io-threshold: var(--io-threshold-default);
  --product-io-root-margin: var(--product-observer-root-margin);
  --product-pin-scroll-distance: var(--home-stable-viewport-height, 100dvh);
  background-color: var(--home-bg-fallback);
  background-image: var(--home-bg-product-image);
  background-position: var(--home-bg-position);
  background-size: var(--home-bg-size);
  background-repeat: var(--home-bg-repeat);
  overflow: visible;
}

.product-page .page-bg img {
  filter: brightness(0.55);
}

.product-stage {
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100%;
  height: 100%;
  box-sizing: border-box;
}

.product-layout {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--product-layout-gap);
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 100%;
  height: 100%;
  box-sizing: border-box;
}

/* 视频首屏与终态 */
.home-video-play-fallback-host {
  isolation: isolate;
}

/* 视频尝试播放但还未真正起播时显示最简转圈 */
.home-video-play-fallback-host::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 6;
  width: 34px;
  height: 34px;
  border: 2px solid color-mix(in srgb, var(--ui-color-white) 30%, transparent);
  border-top-color: var(--ui-color-white);
  border-radius: 999px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.home-video-play-fallback-host.is-home-video-loading::after {
  opacity: 1;
  visibility: visible;
  animation: home-video-loading-spin 0.8s linear infinite;
}

@keyframes home-video-loading-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 自动播放失败时在视频中央给出手动播放入口 */
.home-video-play-hit-area {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: block;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  appearance: none;
  -webkit-appearance: none;
}

/* 透明命中层铺满视频区域 视觉仍交给圆形按钮承担 */
.home-video-play-fallback-host.is-home-video-play-failed .home-video-play-hit-area {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  cursor: pointer;
}

.home-video-play-button {
  width: clamp(60px, 5vw, 76px);
  height: clamp(60px, 5vw, 76px);
  min-height: 0;
  padding: 0;
  border: 1px solid var(--ui-color-white);
  border-radius: 999px;
  background: #3E89BF50;
  color: var(--ui-color-white);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: 0px 0px 4px 0px rgba(62, 137, 191, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.page-home .fullpage-container > main > .page:first-child .home-video-play-button {
  top: calc(60%);
}

.home-video-play-fallback-host.is-home-video-play-failed .home-video-play-button {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s, 0s, 0s, 0s, 0s, 0s;
}

.home-video-play-button:hover,
.home-video-play-button:focus,
.home-video-play-button:focus-visible {
  background: #3E89BF60;
  box-shadow: 0px 0px 4px 0px rgba(62, 137, 191, 0.5);
}

.home-video-play-button:active {
  background: #3E89BF70;
  transform: translate(-50%, -50%) scale(0.97);
  box-shadow: 0px 0px 8px 0px rgba(62, 137, 191, 0.5);
}

.home-video-play-button__icon {
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid currentColor;
  filter: drop-shadow(0 1px 4px color-mix(in srgb, var(--ui-color-brand-blue-strong) 36%, transparent));
}

/* 文案仅保留给无障碍，不参与圆形按钮布局 */
.home-video-play-button__text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-video-play-button:disabled {
  opacity: 0.7;
  pointer-events: none;
}

.product-media {
  position: relative;
  grid-column: 1 / -1;
  grid-row: 1;
  justify-self: center;
  align-self: center;
  width: min(100%, var(--product-media-width));
  max-width: 100%;
  max-height: var(--product-media-max-height);
  aspect-ratio: var(--product-media-aspect-ratio);
  opacity: 0;
  transform: translate3d(0, var(--product-media-intro-offset-y), 0) scale(1);
  transition:
    transform var(--product-media-intro-duration) var(--product-media-intro-easing),
    opacity var(--product-media-opacity-duration) var(--io-easing-default);
  will-change: transform, opacity;
}

.product-media__visual {
  position: relative;
  width: 100%;
  height: 100%;
}

.product-media__screen {
  position: absolute;
  top: calc(var(--product-screen-top) + var(--product-screen-offset-y));
  left: calc(var(--product-screen-left) + var(--product-screen-offset-x));
  z-index: 2;
  width: var(--product-screen-width);
  height: var(--product-screen-height);
  overflow: hidden;
  border-radius: 0px;
  box-shadow: var(--product-screen-shadow);
}

.product-media__screen video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
}

.product-media__frame {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.product-media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 文案层交互状态 */
.product-info {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  min-height: 100%;
  max-width: none;
  color: var(--ui-color-text-default);
  opacity: 0;
  transform: translate3d(calc(-1 * var(--product-info-offset-x)), 0, 0);
  transition:
    transform var(--product-info-transition-duration) var(--io-easing-default),
    opacity var(--product-info-transition-duration) var(--io-easing-default);
  will-change: transform, opacity;
  pointer-events: none;
}

.product-info__title,
.product-info__text,
.product-info .ui-button {
  margin: 0;
}

.product-info__title {
  color: var(--ui-color-text-default);
  font-size: var(--font-title-hero);
  font-weight: 700;
  line-height: 1.08;
}

.product-info__subtitle {
  color: var(--ui-color-text-default);
  font-size: var(--font-title-xl);
  font-weight: 400;
  line-height: 1.16;
}

.product-info__text {
  max-width: none;
  color: var(--ui-text-secondary);
  font-size: var(--font-body-lg);
  line-height: 1.4;
}

/* 首次进入视频状态 */
.product-page[data-state="intro"] .product-media {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

/* info 与 direct 状态 */
.product-page[data-state="info"] .product-media,
.product-page[data-state="direct"] .product-media {
  opacity: 1;
  transform: translate3d(var(--product-shift-x-resolved), 0, 0) scale(var(--product-scale-final-resolved));
}

.product-page[data-state="info"] .product-info,
.product-page[data-state="direct"] .product-info {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  pointer-events: auto;
}

/* direct 状态过渡 */
.product-page[data-state="direct"] .product-media,
.product-page[data-state="direct"] .product-info {
  transition:
    opacity var(--product-info-transition-duration) var(--io-easing-default),
    transform var(--product-info-transition-duration) var(--io-easing-default);
}

.product-page[data-state="direct"] .product-media {
  transition:
    opacity var(--product-media-direct-duration) var(--product-media-direct-easing),
    transform var(--product-media-direct-duration) var(--product-media-direct-easing);
}

.product-page.is-scroll-driven .product-media,
.product-page.is-scroll-driven .product-info {
  transition: none !important;
}

@media (max-width: 1199.98px) {
  .home-video-play-button {
    width: 45.65px;
    height: 45.65px;
    box-shadow: 0px 0px 4px 0px rgba(62, 137, 191, 0.5);
  }

  /* 移动端产品页容器 */
  .product-page .product-stage > .ui-shell {
    max-width: none;
    margin: 0;
  }

  /* 移动端单产品页背景 */
  .product-page {
    background-color: var(--ui-color-white);
    background-image: linear-gradient(180deg, var(--ui-color-white) 0%, var(--ui-color-home-product-mobile-end) 100%);
  }

  .product-page .page-bg {
    display: none;
  }

  /* 移动端产品区变量 */
  .product-page {
    --product-media-width-base: min(100%, 520px);
    --product-media-max-height: none;
    --product-layout-gap: 0px;
    --product-scale-final: 1;
    --product-scale-final-resolved: 1;
    --product-shift-x-resolved: 0px;
  }

  .product-page .page-content {
    /* 移动端产品页纵向流 */
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 52px 24px;
  }

  .product-stage,
  .product-layout {
    min-height: 0;
    height: auto;
  }

  .product-layout {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
  }

  .product-media {
    width: min(100%, var(--product-media-width-base));
    max-height: none;
    margin-inline: auto;
    opacity: 1;
    transition: none;
    will-change: auto;
  }

  .product-info {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    justify-self: auto;
    align-self: auto;
    margin-top: clamp(30px, 6vw, 40px);
    padding-inline: clamp(8px, 1.4vw, 16px);
    width: 100%;
    min-height: 0;
    max-width: none;
    opacity: 1;
    transform: none;
    transition: none;
    pointer-events: auto;
    will-change: auto;
    text-align: center;
    gap: 5px;
  }

  /* 移动端正文排版 */
  .product-info__text {
    margin-bottom: 0;
    align-self: stretch;
    width: 100%;
    text-align: justify;
    text-align-last: left;
    overflow-wrap: anywhere;
    word-break: break-word;
    hyphens: auto;
  }

  /* 移动端文案位置 */
  .product-page[data-state="intro"] .product-info,
  .product-page[data-state="info"] .product-info,
  .product-page[data-state="direct"] .product-info {
    transform: none;
  }

  /* 移动端按钮对齐 */
  .product-info .ui-button {
    align-self: center;
  }

  .product-page[data-state="intro"] .product-media,
  .product-page[data-state="info"] .product-media,
  .product-page[data-state="direct"] .product-media {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

.product-info__title {
  font-size: var(--font-title-hero);
}

.product-info__text {
  font-size: var(--font-body-lg);
}

@media (min-width: 1200px) {
  /* 桌面端产品区静态显隐 */
  .product-page .product-io-target {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }
}