.pdf-viewer-container {
    position: relative;
    z-index: 10; /* 确保在底层 UI 之上 */
    overflow-y: auto;
    overflow-x: hidden;
    background: #182839; /* 保持背景色一致，避免“白边”感 */
}

.pdf-page-wrapper {
    margin: 0 auto 20px;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    /* 移除可能遮挡的伪元素 */
    pointer-events: none;
}

/* 隐藏所有可能出现的遮罩 */
.pdf-page-wrapper .loading-icon {
    display: none !important;
}

/* 确保 SVG 层不干扰双击 */
.svg-layer {
    pointer-events: none;
}