html.page-boot body {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(12px);
}

html.page-ready body {
  opacity: 1;
  filter: blur(0);
  transform: none;
  transition:
    opacity 0.55s cubic-bezier(0.22, 0.61, 0.36, 1),
    filter 0.55s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

html.page-leave body {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(-10px);
  transition:
    opacity 0.38s cubic-bezier(0.4, 0, 0.2, 1),
    filter 0.38s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.route-veil {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #121316;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: opacity 0.48s ease;
}

.route-veil.is-on {
  opacity: 1;
  pointer-events: auto;
}

/* —— 水滴第一波：点击后圆从圆心扩散铺满 —— */
.page-drop-leave {
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  /* 高不透明度，避免透底闪烁 */
  background:
    radial-gradient(circle at var(--expand-x, 50%) var(--expand-y, 50%),
      rgba(255, 255, 255, 0.98) 0%,
      rgba(238, 244, 255, 0.97) 38%,
      #e7efff 100%);
  backdrop-filter: blur(14px) saturate(1.04);
  -webkit-backdrop-filter: blur(14px) saturate(1.04);
  clip-path: circle(0px at 50% 50%);
  -webkit-clip-path: circle(0px at 50% 50%);
  transition:
    clip-path 0.92s cubic-bezier(0.4, 0.02, 0.12, 1),
    -webkit-clip-path 0.92s cubic-bezier(0.4, 0.02, 0.12, 1);
  will-change: clip-path;
}

.page-drop-leave::before,
.page-drop-leave::after {
  content: "";
  position: absolute;
  left: var(--expand-x, 50%);
  top: var(--expand-y, 50%);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
}

.page-drop-leave::before {
  width: 16px;
  height: 16px;
  background: rgba(79, 124, 255, 0.22);
  box-shadow: 0 0 22px rgba(79, 124, 255, 0.2);
  transition:
    transform 0.92s cubic-bezier(0.4, 0.02, 0.12, 1),
    opacity 0.45s ease;
}

.page-drop-leave::after {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(79, 124, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  transition:
    transform 1.02s cubic-bezier(0.22, 0.7, 0.12, 1),
    opacity 0.5s ease 0.04s;
}

.page-drop-leave.is-on::before {
  opacity: 0;
  transform: translate(-50%, -50%) scale(28);
}

.page-drop-leave.is-on::after {
  opacity: 0;
  transform: translate(-50%, -50%) scale(36);
}

html.page-drop-leaving body {
  transition: filter 0.85s ease, opacity 0.85s cubic-bezier(0.4, 0, 0.2, 1);
  filter: saturate(0.92) blur(2px);
  opacity: 0;
  pointer-events: none;
}

/* —— 水滴第二波：进入新页后，圆心开始清开遮罩 —— */
html.page-drop-enter {
  background: #eef4ff;
  --expand-x: 72%;
  --expand-y: 18%;
  --hole-r: 0px;
}

html.page-drop-enter body {
  opacity: 0 !important;
  filter: none !important;
  transform: none !important;
  animation: none !important;
  transition: opacity 1.05s cubic-bezier(0.22, 0.61, 0.36, 1) !important;
}

html.page-drop-enter body.page-drop-fade-in {
  opacity: 1 !important;
}

/* 首帧全屏遮罩，避免选购页闪出 */
html.page-drop-enter::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--expand-x) var(--expand-y),
      rgba(255, 255, 255, 0.98) 0%,
      rgba(238, 244, 255, 0.97) 38%,
      #e7efff 100%);
}

html.page-drop-enter.page-drop-ready::before {
  display: none;
}

.page-drop-enter-cover {
  position: fixed;
  inset: 0;
  z-index: 10001;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--expand-x) var(--expand-y),
      rgba(255, 255, 255, 0.98) 0%,
      rgba(238, 244, 255, 0.97) 38%,
      #e7efff 100%);
  backdrop-filter: blur(14px) saturate(1.04);
  -webkit-backdrop-filter: blur(14px) saturate(1.04);
  /* 圆心透明 = 去掉遮挡；外圈仍遮住 */
  -webkit-mask-image: radial-gradient(
    circle at var(--expand-x) var(--expand-y),
    transparent var(--hole-r, 0px),
    rgba(0, 0, 0, 0.7) calc(var(--hole-r, 0px) + 22px),
    #000 calc(var(--hole-r, 0px) + 48px)
  );
  mask-image: radial-gradient(
    circle at var(--expand-x) var(--expand-y),
    transparent var(--hole-r, 0px),
    rgba(0, 0, 0, 0.7) calc(var(--hole-r, 0px) + 22px),
    #000 calc(var(--hole-r, 0px) + 48px)
  );
  will-change: mask-image, -webkit-mask-image;
}

.page-drop-enter-cover::after {
  content: "";
  position: absolute;
  left: var(--expand-x);
  top: var(--expand-y);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(79, 124, 255, 0.28);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%) scale(0.2);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 1.05s cubic-bezier(0.22, 0.65, 0.12, 1),
    opacity 0.65s ease;
}

.page-drop-enter-cover.is-clearing::after {
  opacity: 0;
  transform: translate(-50%, -50%) scale(32);
}

@media (prefers-reduced-motion: reduce) {
  html.page-boot body,
  html.page-ready body,
  html.page-leave body,
  html.page-drop-enter body,
  html.page-drop-leaving body {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }
  .page-drop-leave,
  .page-drop-enter-cover {
    transition: none !important;
  }
  html.page-drop-enter::before {
    display: none !important;
  }
}