/**
 * 众水不灭 · 雅歌之印
 * 文件名: css/photo-wall.css
 * 作用: 全景流式视差照片墙样式 (开启 GPU 硬件加速与渲染边界物理隔离，彻底杜绝滚动撑长)
 */

.parallax-photo-wall {
  /* 🌟 核心拦截机制：彻底固定容器大小，切断内部元素撑开 body 的可能 */
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh; /* 适配移动端安全视口 */
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  contain: strict; /* 开启最高级别浏览器内存优化隔离 */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* ================= 1. 左上角专属固定正立头像 (Avatar Polaroid) ================= */
.wall-polaroid-avatar {
  position: absolute;
  top: 24px;
  left: 20px;
  width: 110px;
  background: #ffffff;
  padding: 6px 6px 16px 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35), 0 0 15px rgba(245, 158, 11, 0.25);
  border-radius: 6px;
  opacity: 1 !important;
  transform: translateZ(0) !important;
  -webkit-transform: translateZ(0) !important;
  z-index: 20;
  pointer-events: auto;
  cursor: pointer;
  contain: paint layout;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.wall-polaroid-avatar:hover {
  transform: scale(1.06) translateZ(0) !important;
  -webkit-transform: scale(1.06) translateZ(0) !important;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 22px rgba(244, 63, 94, 0.4);
}

.wall-polaroid-avatar .wall-polaroid-inner {
  width: 100%;
  height: 98px;
  overflow: hidden;
  border-radius: 4px;
  background: #0f172a;
  position: relative;
}

.wall-polaroid-avatar .wall-polaroid-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}

.wall-polaroid-avatar .wall-polaroid-caption {
  font-size: 10px;
  font-weight: 800;
  text-align: center;
  color: #334155;
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.5px;
}

/* ================= 2. 呼吸池流式视差照片墙 (Regular Photo Wall) ================= */
.wall-polaroid-item {
  position: absolute;
  width: 120px;
  background: #ffffff;
  padding: 8px 8px 22px 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
  border-radius: 4px;
  opacity: 0; /* 初始由 JS 控制淡入 */
  will-change: transform, opacity;
  pointer-events: none; /* 悬浮背景图不拦截手势，释放全屏极速惯性滚动 */
  contain: paint layout;
  /* 🌟 核心：为呼吸算法注入绝美的 CSS 平滑缓动 */
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.wall-polaroid-inner {
  width: 100%;
  height: 110px;
  overflow: hidden;
  border-radius: 2px;
  background: #0f172a;
  position: relative;
}

.wall-polaroid-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ================= 3. 屏幕响应式断点 ================= */
@media (min-width: 1024px) {
  .wall-polaroid-avatar {
    top: 32px;
    left: 36px;
    width: 135px;
    padding: 8px 8px 20px 8px;
  }
  .wall-polaroid-avatar .wall-polaroid-inner {
    height: 120px;
  }
  .wall-polaroid-item {
    width: 145px;
    padding: 10px 10px 26px 10px;
  }
  .wall-polaroid-inner {
    height: 130px;
  }
}

@media (max-width: 640px) {
  .wall-polaroid-avatar {
    top: max(10px, env(safe-area-inset-top, 10px));
    left: 10px;
    width: 78px;
    padding: 4px 4px 8px 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
  .wall-polaroid-avatar .wall-polaroid-inner {
    height: 70px;
  }
  .wall-polaroid-avatar .wall-polaroid-caption {
    font-size: 9px;
    margin-top: 3px;
  }
  .wall-polaroid-item {
    width: 78px;
    padding: 4px 4px 12px 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  .wall-polaroid-inner {
    height: 70px;
  }
}