/* Turn.js 基础样式 */
.flipbook {
    margin: 0 auto;
}

.page {
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

/* 翻页阴影效果 */
.page-wrapper {
    perspective: 2000px;
}

.hard {
    background: #ccc;
}

.even .gradient {
    background: linear-gradient(to right, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0) 100%);
}

.odd .gradient {
    background: linear-gradient(to left, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0) 100%);
}