:root {
  --background-color: #ffffff;
  --secondary-background-color: #f0f0f0;
  --text-color: #474747;
  --primary-text-color: #474747;
  --secondary-text-color: #6c757d;
  --muted-text-color: #999;
  --highlight-text-color: #dc3545;
  --link-color: blue;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --info-color: #17a2b8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #343a40;
    --secondary-background-color: #495057;
    --text-color: #f8f9fa;
    --primary-text-color: #f8f9fa;
    --secondary-text-color: #adb5bd;
    --muted-text-color: #6c757d;
    --highlight-text-color: #ff6b6b;
    --link-color: #66d9ef;
    --success-color: #4caf50;
    --warning-color: #ffd700;
    --danger-color: #ff6b6b;
    --info-color: #1abc9c;
  }
}

body {
    margin: 0;
    font-size: 16px;
    box-sizing: border-box;
    background: var(--secondary-background-color);
    color: var(--primary-text-color);
}

p, h1, h2, h3, h4, h5, h6, blockquote, ul, ol, li, pre, code {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: var(--link-color);
}

::-webkit-scrollbar {
    display: none;
}

/* 文本格式 文章页 */
.post-item p,
.post-item img,
.post-item ol,
.post-item ul,
.post-item figure,
.post-item pre,
.post-item table {
    margin: 10px 0;
}

.post-item h1,
.post-item h2,
.post-item h3,
.post-item h4,
.post-item h5,
.post-item h6 {
    margin: 20px 0;
}

.post-item h1,
.post-item h2 {
    /*18px*/
    font-size: 20px;
}

.post-item h3 {
    /*18px*/
    font-size: 18px;
}

.post-item h4,
.post-item h5,
.post-item h6 {
    /*16px*/
    font-size: 16px;
}


.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    gap: 20px;
}

.aside {
    width: 200px;
    align-self: flex-start;
    height: max-content;
    background: var(--background-color);
    padding: 20px;
    border-radius: 12px;
    transition: all .3s;
    position: sticky;
    top: 20px;
}

.aside .avatar-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
    background: var(--secondary-background-color);
    padding: 20px;
    line-height: 25px;
    border-radius: 12px;
    transition: all .3s;
}

.aside .avatar-box .avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 10px;
    background: var(--background-color);
    transition: all .3s;
}

.aside .avatar-box .info {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all .3s;
}

.aside .avatar-box .blogger {
    font-size: 18px;
    font-weight: bold;
    transition: all .3s;
}

.aside .avatar-box .desc {
    font-size: 14px;
    opacity: 0.7;
    text-align: center;
    transition: all .3s;
}

.main {
    width: 0;
    flex: 1;
    transition: all .3s;
}

.post-item {
    margin-bottom: 20px;
    padding: 30px;
    background: var(--background-color);
    line-height: 30px;
    border-radius: 12px;
}

.post-item .title {
    margin: 0;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

.post-item .meta {
    font-size: 14px;
    opacity: .7;
    margin: 10px 0;
}
.post-item .meta span:nth-child(2)::before {
    content: "·";
    margin: 0 5px;
}

/* archive */
.post-item .archive-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px 0;
}

.post-item .archive-item a {
    color: inherit;
}

.post-item .archive-item .time {
    opacity: .7;
}

/* tagcloud */
.post-item .tag-cloud a {
    color: inherit;
    border: 1px solid;
    border-radius: 50px;
    padding: 0 16px;
    display: inline-block;
    margin: 3px 0;
    margin-right: 6px;
}

.footer {
    padding: 20px;
    margin: 20px 0;
    background: var(--background-color);
    border-radius: 12px;
}

@media screen and (max-width: 800px) {
    .container {
        flex-direction: column;
        align-items: center;
        padding: 0;
    }

    .aside {
        box-sizing: border-box;
        width: 100%;
        display: flex;
        flex-direction: row;
        gap: 10px;
        position: sticky;
        top: 0;
        left: 0;
        z-index: 100;
        border-radius: 0;
    }

    .aside .avatar-box {
        flex-direction: row;
        gap: 10px;
        margin: 0;
        padding: 5px;
    }

    .aside .avatar-box .avatar {
        width: 50px;
        height: 50px;
        margin: 0;
    }

    .aside .avatar-box .info {
        align-items: flex-start;
    }

    .aside .avatar-box .desc {
        max-width: 100px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .aside .nav {
        flex-direction: row;
        gap: 5px;
        overflow-y: hidden;
        overflow-x: auto;
        white-space: nowrap;
    }

    .aside .nav a {
        line-height: 50px;
    }

    .main {
        width: 100%;
    }

    .post-item {
        border-radius: 0;
    }

    .footer {
        border-radius: 0;
    }

}