/* 正文字体大小和行距 */
:root {
    --content-max-width: 800px;
}

html {
    font-size: 12px !important;
}

.content main {
    line-height: 2.5;
    color: #333;
}

.content main p {
    text-align: justify;
}

/* 封面页 */
.cover-page {
    text-align: center;
    padding: 0;
    margin: -15px -15px 2em -15px;
}

.cover-page img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}