/* Hero 嵌入：App 全宽 + 标题浮层叠在应用内目标位置 */

:root {
  --promo-accent: #2563eb;
  --promo-accent-dark: #1565c0;
  --promo-accent-light: #60a5fa;
  --promo-callout-shadow:
    0 8px 24px rgba(96, 165, 250, 0.14),
    0 3px 10px rgba(37, 99, 235, 0.08);
}

body:not(.embed-mode) .promo-hero-shell {
  display: block;
  min-height: 100vh;
}

body:not(.embed-mode) .promo-caption {
  display: none !important;
}

body.embed-mode .promo-hero-shell {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: visible;
  /* 3D 分镜留安全区；底部多留空给窗口阴影，避免 iframe 裁切 */
  box-sizing: border-box;
  padding: clamp(22px, 4.2%, 40px) clamp(28px, 6%, 64px)
    clamp(32px, 6.5%, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
}

body.embed-mode .promo-hero-stage {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  flex: 1 1 auto;
  perspective: 2000px;
  perspective-origin: 50% 72%;
  transform-style: preserve-3d;
  overflow: visible;
}

body.embed-mode .promo-hero-stage .mac-desktop {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: visible;
}

body.embed-mode .promo-caption {
  position: absolute;
  z-index: 30;
  left: 0;
  top: 0;
  width: min(22rem, 52vw);
  max-width: min(22rem, 52vw);
  min-width: 0;
  pointer-events: none;
  text-align: left;
  opacity: 0;
  will-change: left, top, opacity;
  perspective: 720px;
  perspective-origin: 50% 72%;
  transform-style: preserve-3d;
}

body.embed-mode .promo-caption.is-placed {
  opacity: 1;
}

.promo-callout-pos {
  transform-style: preserve-3d;
  width: 100%;
}

.promo-callout-frame {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  min-height: 0;
  padding: 0.75rem 0.8rem 0.85rem;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 0;
  box-shadow: var(--promo-callout-shadow);
  overflow: visible;
  transform-style: preserve-3d;
  transform-origin: left center;
  backface-visibility: hidden;
  will-change: transform;
}

.promo-caption[data-align="right"] {
  text-align: right;
}

.promo-caption[data-align="right"] .promo-callout-frame {
  transform-origin: right center;
}

.promo-caption[data-align="right"] .promo-callout-flip {
  align-items: flex-end;
}

.promo-caption[data-align="center"] {
  text-align: center;
}

.promo-caption[data-align="center"] .promo-callout-frame {
  transform-origin: center center;
}

.promo-caption[data-align="center"] .promo-callout-flip {
  align-items: center;
}

.promo-callout-corners {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform-style: preserve-3d;
  transform: translateZ(1px);
}

.promo-callout-corners i {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--promo-accent);
  border-radius: 0;
  opacity: 0.85;
}

.promo-callout-corners i:nth-child(1) {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}

.promo-callout-corners i:nth-child(2) {
  top: 0;
  right: 0;
  border-left: none;
  border-bottom: none;
}

.promo-callout-corners i:nth-child(3) {
  bottom: 0;
  left: 0;
  border-right: none;
  border-top: none;
}

.promo-callout-corners i:nth-child(4) {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

.promo-callout-flip {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  transform-style: preserve-3d;
}

.promo-callout-index {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--promo-accent-dark);
  transform-style: preserve-3d;
}

.promo-caption-title {
  margin: 0;
  line-height: 1.2;
  transform-style: preserve-3d;
}

.promo-caption-char {
  display: inline-block;
  transform-origin: 50% 100%;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  white-space: normal;
  vertical-align: top;
}

.promo-caption-char--space {
  display: inline;
  white-space: normal;
}

.promo-caption-title-text {
  display: block;
  width: 100%;
  font-size: clamp(1.0625rem, 1.65vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.promo-caption-title-text .promo-caption-char {
  background: linear-gradient(
    135deg,
    var(--promo-accent-dark) 0%,
    var(--promo-accent) 55%,
    var(--promo-accent-light) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 1px 3px rgba(37, 99, 235, 0.18));
}

.promo-caption-sub {
  margin: 0.45rem 0 0;
  width: 100%;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #475569;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.promo-caption-sub .promo-caption-char {
  color: #475569;
  -webkit-text-fill-color: currentColor;
  filter: none;
}