body {
    margin: 0;
    line-height: 1.5em;
    background: #fafafa;
}
.post-content {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.header div,
.container,
.copyright,
.menu {
    max-width: 1100px;
    margin: auto;
    padding: 0 15px;
}
.page .header div,
.page .container,
.page .copyright,
.page .menu {
    max-width: 900px;
}
.container {
    hyphens: auto;
}
@media (max-width: 930px) {
    .page .container {
        padding: 0;
    }
}
main {
    margin-bottom: 15px;
}

/* header and footer areas */
.header {
    border-top: 5px solid #666;
    border-bottom: 4px double #666;
    text-align: center;
    padding: 15px 0 5px;
}
.head-meta,
.menu {
    display: flex;
    justify-content: space-between;
}
.header,
.list section,
article {
    background: #fff;
}
.banner {
    font-size: 4em;
}
.banner .text {
    display: block;
    line-height: 1em;
}
.list {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
}
.list section {
    flex: 1 0 350px;
    box-sizing: border-box;
    box-shadow: 0 0 8px #ccc;
    margin: 1em 0 0 15px;
    padding: 1em;
    overflow-x: hidden;
}
@media (max-width: 380px) {
    .list section {
        flex: auto;
    }
}
@media (min-width: 715px) {
    .list section {
        max-width: calc(50% - 15px);
    }
    .article-list h1 {
        overflow-x: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .article-list h1:hover {
        white-space: inherit;
    }
}
@media (min-width: 1080px) {
    .list section {
        max-width: calc(33.33333% - 15px);
    }
}
.article-list a,
.banner a {
    color: #000;
}
.categories a {
    font-size: 0.9em;
    font-weight: bolder;
    text-transform: uppercase;
    color: #666;
}
h1 a:hover {
    text-decoration: underline;
}
.article-list h1 {
    margin: 0.2em auto 0.2em 0;
}
article {
    padding: 1em;
}
.article-meta {
    text-decoration: none;
    background: #eee;
    padding: 5px;
    border-radius: 5px;
}
.menu,
.article-meta,
footer,
.post-nav {
    text-align: center;
}
.article-footer {
    text-align: left;
}
.title {
    font-size: 1.2em;
}
.article-list h1,
.title {
    line-height: 1.2em;
}
.article-list a,
.header a,
footer a,
.categories a,
.active a,
.comments a {
    text-decoration: none;
}
.pagination {
    text-align: center;
}
.pagination li,
.terms li {
    display: inline;
}
.pagination a {
    padding: 0 0.2em;
}
.footer {
    background: #666;
    padding: 1em 0;
}
.footer,
.footer a {
    color: #fff;
}
.copyright,
.copyright a {
    color: #ccc;
}
.menu {
    margin-bottom: 0.5em;
    flex-wrap: wrap;
}
.menu li {
    display: inline-block;
    font-weight: bolder;
}
.menu a {
    padding: 0.5em;
}
.menu a:hover {
    color: #000;
    background: #fff;
}

hr {
    border-style: dashed;
    color: #ddd;
}

/* code */
pre {
    border: 1px solid #ddd;
    box-shadow: 5px 5px 5px #eee;
    overflow-x: auto;
}
code {
    background: #f9f9f9;
}
pre code {
    background: none;
    padding: 0.5em;
    display: block;
}

/* misc elements */
img,
iframe,
video {
    max-width: 100%;
}
blockquote {
    background: #f9f9f9;
    border-left: 5px solid #ccc;
    padding: 3px 1em 3px;
}

table {
    margin: 1em auto auto;
    border-top: 1px solid #666;
    border-bottom: 1px solid #666;
}
table thead th {
    border-bottom: 1px solid #ddd;
}
th,
td {
    padding: 5px;
}
tr:nth-child(even) {
    background: #eee;
}

.thumbnail {
    height: 10.2em;
    width: 13.6em;
    float: left;
    overflow: hidden;
    margin: 5px 8px 5px 0;
    box-shadow: 0 0 8px #666;
}
.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
#TableOfContents,
#TOC,
.comments {
    border: 1px solid #eee;
    border-radius: 5px;
}
.comments a {
    display: inline-block;
    width: 100%;
    text-align: center;
    font-size: 1.2em;
}
.terms {
    padding-left: 0;
}
.post-nav {
    margin: 0.5em 0;
    display: flex;
    justify-content: space-between;
}
.footnotes {
    font-size: 0.9em;
}
.footnotes hr {
    width: 50%;
    margin-left: 0;
}
/* break long words */
p,
ul,
ol,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

.article-summary {
    display: grid;
    grid-template-rows: 1fr auto; /* 第一行（縮圖）佔比 1fr，第二行自動調整高度 */
    align-items: start; /* 頂部對齊 */
    margin-bottom: 20px;
    min-height: 300px; /* 設定最小高度 */
}

.thumbnail-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    height: 200px; /* 設定固定的縮圖高度 */
    overflow: hidden; /* 隱藏超出容器的部分 */
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 圖片填滿容器，可能會被裁切 */
    object-position: center; /* 確保圖片居中顯示 */
    display: block;
}

.summary {
    width: 100%;
    max-width: 600px; /* 調整此數值來控制摘要寬度 */
    margin: 10px auto;
    text-align: justify;
}