body {
    background: linear-gradient(120deg, #fdf6e3, #e8dfd3);
    font-family: "標楷體", "新細明體", serif;
    color: #000000;
    padding: 20px;
    line-height: 1.8;
}
.site-header {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    color: #cc0000;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 5px;
}
.writer-name {
    text-align: center;
    font-size: 22px;
    color: #5F3030;
    font-weight: bold;
    margin-bottom: 10px;
}
.divider {
    width: 60%;
    margin: 0 auto 30px auto;
    border: 2px solid #cc0000;
    border-radius: 5px;
}
.section-title {
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    margin: 30px 0 15px 0;
    color: #cc0000;
}
.book-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}
.book-card {
    background-color: rgba(255,255,255,0.85);
    border-radius: 12px;
    box-shadow: 2px 2px 12px rgba(0,0,0,0.3);
    width: 220px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s;
}
.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 4px 4px 16px rgba(0,0,0,0.5);
}
.book-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #5F3030;
}
.chapter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
}
.chapter-buttons a {
    display: inline-block;
    padding: 5px 10px;
    font-size: 14px;
    background-color: #5F3030;
    color: #FFFFCC;
    border-radius: 6px;
    border: 1px solid #000;
    transition: 0.3s;
    text-decoration: none;
}
.chapter-buttons a:hover {
    background-color: #cc0000;
    color: #FFFFFF;
}
.back-button {
    display: block;
    width: 160px;
    margin: 30px auto 0 auto;
    padding: 10px 20px;
    background-color: #5F3030;
    color: #FFFFCC;
    text-align: center;
    font-size: 16px;
    font-family: "標楷體", serif;
    border-radius: 8px;
    border: 2px solid #000;
    cursor: pointer;
    transition: 0.3s;
    text-decoration: none;
}
.back-button:hover {
    background-color: #cc0000;
    color: #FFFFFF;
}