.title {
    font-size: 100px;
    font-family: 'Alimama_DongFangDaKai', 'sans-serif';
    text-align: center;
}

@keyframes colorShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.content-panel {
    max-width: 90%;
    width: 70vw;
    margin: 0 auto;
}

.bookshelf-panel {
    width: 100%;
    height: 70vh;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(auto-fill, 1fr);
    overflow-y: auto;
}

.book-panel {
    width: 80%;
    max-height: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    background-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease-in-out;
}

.book-panel:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.book-panel h2 {
    font-size: 24px;
    font-family: 'Alimama_DongFangDaKai', 'sans-serif';
    margin-bottom: 10px;
}

.book-panel p {
    font-size: 16px;
    margin-bottom: 10px;
}

.book-panel a {
    display: inline-block;
    padding: 10px 20px;
    background-color: #fff;
    color: #000;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease-in-out;
}

.book-panel a:hover {
    background-color: #000;
    color: #fff;
}

.book-panel img {
    width: 70%;
    height: 90%;
    object-fit: contain;
}

img.book-background {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.absolute-container {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.absolute-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 90%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
    transition: background 0.3s ease;
    writing-mode: vertical-rl;
    color: #000;
}

.avatar-background {
    max-width: 7vw;
    max-height: 7vh;
    border-radius: 50px;
}