:root {
    --body-bg-color: #fff;
    --content-bg-color: #f5f5f5;
    --card-bg-color: #f5f5f5;
    --text-color: #555;
    --blockquote-color: #666;
    --link-color: #555;
    --link-hover-color: #222;
    --brand-color: #222;
    --brand-hover-color: #222;
    --table-row-odd-bg-color: #f9f9f9;
    --table-row-hover-bg-color: #f5f5f5;
    --menu-item-bg-color: #ddd;
    --theme-color: #222;
    --btn-default-bg: transparent;
    --btn-default-color: var(--link-color);
    --btn-default-border-color: var(--link-color);
    --btn-default-hover-bg: transparent;
    --btn-default-hover-color: var(--link-hover-color);
    --btn-default-hover-border-color: var(--link-hover-color);
    --highlight-background: #f3f3f3;
    --highlight-foreground: #444;
    --highlight-gutter-background: #e1e1e1;
    --highlight-gutter-foreground: #555;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
        :root {
            --body-bg-color: #282828;
            --content-bg-color: #333;
            --card-bg-color: #555;
            --text-color: #ccc;
            --blockquote-color: #bbb;
            --link-color: #ccc;
            --link-hover-color: #eee;
            --brand-color: #ddd;
            --brand-hover-color: #ddd;
            --table-row-odd-bg-color: #282828;
            --table-row-hover-bg-color: #363636;
            --menu-item-bg-color: #555;
            --theme-color: #222;
            --btn-default-bg: #222;
            --btn-default-color: #ccc;
            --btn-default-border-color: #555;
            --btn-default-hover-bg: #666;
            --btn-default-hover-color: #ccc;
            --btn-default-hover-border-color: #666;
            --highlight-background: #1c1b1b;
            --highlight-foreground: #fff;
            --highlight-gutter-background: #323131;
            --highlight-gutter-foreground: #e8e8e8;
            color-scheme: dark;
        }  
}

:host,:root {
    --fa-style-family-brands: "Font Awesome 6 Brands";
    --fa-font-brands: normal 400 1em/1 "Font Awesome 6 Brands"
}    

html {
    line-height: 1.15; /* 1 */
    -webkit-text-size-adjust: 100%; /* 2 */
}

body {
    margin: 0;
}    

main {
    display: block;
}    

::selection {
    background: #262a30;
    color: #eee;
}

html,body {
    height: 100%;
}

body {
    background: var(--body-bg-color);
    box-sizing: border-box;
    color: var(--text-color);
    font-family: Lato, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 1em;
    line-height: 2;
    min-height: 100%;
    position: relative;
    transition: padding 0.2s ease-in-out;
}

p {
    margin: 0 0 20px;
}

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}  

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

code,
kbd,
figure.highlight,
pre {
  background: var(--highlight-background);
  color: var(--highlight-foreground);
}

pre,
code {
    font-family: consolas, Menlo, monospace, 'PingFang SC', 'Microsoft YaHei';
}

code {
    border-radius: 3px;
    font-size: 0.875em;
    padding: 6px 10px;
    overflow-wrap: break-word;
}

blockquote {
    border-left: 4px solid #ddd;
    color: var(--blockquote-color);
    margin: 0;
    padding: 0 15px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: Lato, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-weight: bold;
    line-height: 1.5;
    margin: 30px 0 15px;
}

img {
    border-style: none;
}

iframe,
img,
video,
embed {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
}

small {
    font-size: 80%;
}

h1 {
    font-size: 1.5em;
}
h2 {
    font-size: 1.375em;
}
h3 {
    font-size: 1.25em;
}
h4 {
    font-size: 1.125em;
}
h5 {
    font-size: 1em;
}
h6 {
    font-size: 0.875em;
}

.headband {
    background: var(--theme-color);
    height: 3px;
}
@media (max-width: 991px) {
    .headband {
        display: none;
    }
}    

.headband {
    display: none;
}    

.use-motion .column,
.use-motion .site-brand-container .toggle {
    opacity: 0;
}

.column {
    background: var(--content-bg-color);
}    

header.header {
    align-items: center;
    display: flex;
    padding: 20px 0;
}
@media (max-width: 767px) {
    header.header {
        display: block;
        padding: 10px 0;
    }
}

header.header {
    margin: 0 auto;
    width: 700px;
}

@media (max-width: 767px) {
    header.header {
        width: auto;
    }
}
@media (min-width: 1200px) {
    header.header {
        width: 800px;
    }
}
@media (min-width: 1600px) {
    header.header {
        width: 900px;
    }
}

.main-inner {
    margin: 0 auto;
    width: 700px;
    padding-bottom: 80px;
}
@media (max-width: 767px) {
    .main-inner {
        width: auto;
    }
}
@media (min-width: 1200px) {
    .main-inner {
        width: 800px;
    }
}
@media (min-width: 1600px) {
    .main-inner {
        width: 900px;
    }
}
@media (max-width: 767px) {
    .main-inner {
        padding-left: 20px;
        padding-right: 20px;
    }
}

.post-block:first-of-type {
    padding-top: 80px;
}
@media (max-width: 767px) {
    .post-block:first-of-type {
        padding-top: 60px;
    }
}

.site-brand-container {
    display: flex;
    flex-shrink: 0;
    padding: 0 10px;
}

.site-nav-toggle,
.site-nav-right {
    display: none;
}
@media (max-width: 767px) {
    .site-nav-toggle,
    .site-nav-right {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

.site-nav-toggle .toggle,
.site-nav-right .toggle {
    color: var(--text-color);
    padding: 10px;
    width: 22px;
}

.site-nav-toggle .toggle .toggle-line,
.site-nav-right .toggle .toggle-line {
    background: var(--text-color);
    border-radius: 1px;
}
@media (max-width: 767px) {
    .site-nav {
        --scroll-height: 0;
        height: 0;
        overflow: hidden;
        transition: 0.2s ease-in-out;
        transition-property: height, visibility;
        visibility: hidden;
    }
    body:not(.site-nav-on) .site-nav .animated {
        animation: none;
    }
    body.site-nav-on .site-nav {
        height: var(--scroll-height);
        visibility: unset;
    }
}

.toggle {
    line-height: 0;
}

.toggle .toggle-line {
    background: #fff;
    display: block;
    height: 2px;
    left: 0;
    position: relative;
    top: 0;
    transition: 0.4s;
    transition-property: left, opacity, top, transform, width;
    width: 100%;
}

.toggle .toggle-line:first-child {
    margin-top: 1px;
}

.toggle .toggle-line:not(:first-child) {
    margin-top: 4px;
}

.toggle.toggle-close :nth-child(2) {
    opacity: 0;
}

.toggle.toggle-close :first-child {
    top: 6px;
    transform: rotate(45deg);
}

.toggle.toggle-close :last-child {
    top: -6px;
    transform: rotate(-45deg);
}

.site-meta {
    flex-grow: 1;
    text-align: center;
}
@media (max-width: 767px) {
    .site-meta {
        text-align: center;
    }
}

.site-meta {
    line-height: normal;
}

@media (max-width: 767px) {
    .site-meta .brand {
        display: block;
    }
}

a {
    background: transparent;
}

a {
    border-bottom: 1px solid #ccc;
    color: var(--link-color);
    cursor: pointer;
    outline: 0;
    text-decoration: none;
    overflow-wrap: break-word;
}

a:hover {
    border-bottom-color: var(--link-hover-color);
    color: var(--link-hover-color);
}

.use-motion .logo-line:first-of-type {
    transform: scaleX(0);
    transform-origin: left;
  }
  .use-motion .logo-line:last-of-type {
    transform: scaleX(0);
    transform-origin: right;
  }

.brand {
    border-bottom: 0;
    color: var(--brand-color);
    display: inline-block;
    padding: 2px 1px;
}

.brand:hover {
    color: var(--brand-hover-color);
}

.site-title {
    font-family: Lato, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 1.375em;
    font-weight: normal;
    line-height: 1.5;
    margin: 0;
}

.site-meta .site-title {
    font-weight: bolder;
}

.logo-line {
    background: var(--brand-color);
    display: block;
    height: 2px;
    margin: 0 auto;
    width: 75%;
}
@media (max-width: 767px) {
    .logo-line {
        display: none;
    }
}

.use-motion .site-title,
.use-motion .site-subtitle,
.use-motion .custom-logo-image {
    opacity: 0;
    position: relative;
    top: -10px;
}

.site-meta .site-title {
    font-weight: bolder;
}

.site-subtitle {
    color: #999;
    font-size: 0.8125em;
    margin: 10px 0;
}

.site-subtitle {
    display: none;
}

.site-nav {
    flex-grow: 1;
}

@media (max-width: 767px) {
    .site-nav {
        padding: 0 10px 0;
    }
}

.menu {
    margin: 0;
    padding: 1em 0;
    text-align: center;
}

.menu-item {
    display: inline-block;
    list-style: none;
    margin: 0 10px;
}

@media (max-width: 767px) {
    .menu-item {
        display: block;
        margin-top: 10px;
    }
    .menu-item.menu-item-search {
        display: none;
    }
}

@media (max-width: 767px) {
    .main-menu {
        padding-top: 10px;
    }
}

.menu {
    padding: 0;
}

.menu .menu-item {
    margin: 0;
}
@media (max-width: 767px) {
    .menu .menu-item {
        margin-top: 5px;
    }
}

.menu .menu-item a {
    border-radius: 2px;
    padding: 0 10px;
    transition-property: background;
}

@media (max-width: 767px) {
    .menu .menu-item a {
        text-align: left;
        display: flex;
        align-items: center;
    }
    .menu .menu-item a .badge {
        margin-left: auto;
    }
}

.menu-item a {
    border-bottom: 0;
    display: block;
    font-size: 0.8125em;
    transition: border-color 0.2s ease-in-out;
}
.menu-item a:hover,
.menu-item a.menu-item-active {
    background: var(--menu-item-bg-color);
}
.menu-item i[class^='fa'] {
    margin-right: 8px;
}

.menu-item .badge {
    background: #fff;
    border-radius: 10px;
    color: #555;
    font-weight: bold;
    line-height: 1;
    margin-left: 0.35em;
    padding: 1px 4px;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.1);
}

.use-motion .menu-item {
    visibility: hidden;
}

.use-motion .animated {
    animation-fill-mode: none;
    visibility: inherit;
}

.main-inner {
    margin: 0 auto;
    width: 700px;
    padding-bottom: 80px;
}
@media (max-width: 767px) {
    .main-inner {
        width: auto;
    }
}
@media (min-width: 1200px) {
    .main-inner {
        width: 800px;
    }
}

@media (min-width: 1600px) {
    .main-inner {
        width: 900px;
    }
}

@media (max-width: 767px) {
    .main-inner {
        padding-left: 20px;
        padding-right: 20px;
    }
}
.use-motion .post-block,
.use-motion .pagination,
.use-motion .comments {
    visibility: hidden;
}

.use-motion .animated {
    animation-fill-mode: none;
    visibility: inherit;
}

.post-block:first-of-type {
    padding-top: 80px;
}
@media (max-width: 767px) {
    .post-block:first-of-type {
        padding-top: 60px;
    }
}

.posts-collapse .post-content {
    margin-bottom: 35px;
    margin-left: 35px;
    position: relative;
}
@media (max-width: 767px) {
    .posts-collapse .post-content {
        margin-left: 0;
        margin-right: 0;
    }
}

.posts-collapse .post-content::before {
    background: #f5f5f5;
    content: ' ';
    height: 100%;
    margin-left: -2px;
    position: absolute;
    top: 1.25em;
    width: 4px;
}

.posts-collapse .post-content .collection-title {
    font-size: 1.125em;
    position: relative;
}

.posts-collapse .post-content .collection-title::before {
    background: #999;
    border: 1px solid #fff;
    margin-left: -6px;
    margin-top: -4px;
    position: absolute;
    top: 50%;
    border-radius: 50%;
    content: ' ';
    height: 10px;
    width: 10px;
}

.posts-collapse .post-content .collection-header small {
    color: #bbb;
    margin-left: 5px;
}

.posts-collapse .post-content .collection-header {
    display: block;
    margin-left: 20px;
}

.posts-collapse .post-content .collection-year {
    font-size: 1.5em;
    font-weight: bold;
    margin: 60px 0;
    position: relative;
}

.posts-collapse .post-content .collection-year::before {
    background: #bbb;
    margin-left: -4px;
    margin-top: -4px;
    position: absolute;
    top: 50%;
    border-radius: 50%;
    content: ' ';
    height: 8px;
    width: 8px;
}

.posts-collapse .post-content .collection-year .collection-year-count {
    font-size: 0.75em;
    background: #fff;
    border-radius: 10px;
    color: #555;
    font-weight: bold;
    line-height: 1;
    margin-left: 0.35em;
    padding: 1px 4px;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.1);
}

.posts-collapse .post-content .collection-header {
    display: block;
    margin-left: 20px;
}

.posts-collapse .post-content .post-header {
    border-bottom: 1px dashed #ccc;
    margin: 30px 2px 0;
    padding-left: 15px;
    position: relative;
    transition: border 0.2s ease-in-out;
}

.posts-collapse .post-content .post-header::before {
    background: #bbb;
    border: 1px solid #fff;
    left: -6px;
    position: absolute;
    top: 0.75em;
    transition: background 0.2s ease-in-out;
    border-radius: 50%;
    content: ' ';
    height: 6px;
    width: 6px;
}

.posts-collapse .post-content .post-meta-container {
    display: inline;
    font-size: 0.75em;
    margin-right: 10px;
}

.posts-collapse .post-content .post-title {
    display: inline;
}

.posts-collapse .post-content .post-title a {
    border-bottom: 0;
    color: var(--link-color);
}

.posts-expand .post-header {
    margin-bottom: 20px;
}

.posts-expand .post-header {
    font-size: 1.125em;
    margin-bottom: 60px;
    text-align: center;
}

.posts-expand .post-title {
    font-size: 1.5em;
    font-weight: normal;
    margin: initial;
    overflow-wrap: break-word;
}

.posts-expand .post-title-link {
    border-bottom: 0;
    color: var(--link-color);
    display: inline-block;
    position: relative;
}


.posts-expand .post-meta-container {
    color: #999;
    font-family: Lato, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 0.75em;
    margin-top: 3px;
}

.posts-expand .post-meta-container time {
    border-bottom: 1px dashed #999;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.post-meta-item-icon {
    margin-right: 3px;
}
@media (max-width: 991px) {
    .post-meta-item-text {
        display: none;
    }
}

:not(.post-meta-break) + .post-meta-item::before {
    content: '|';
    margin: 0 0.5em;
}

.posts-expand .post-header {
    margin-bottom: 20px;
}

.post-body {
    font-family: Lato, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-wrap: break-word;
}
@media (min-width: 1200px) {
    .post-body {
        font-size: 1.125em;
    }
}
@media (min-width: 992px) {
    .post-body {
        text-align: justify;
    }
}
@media (max-width: 991px) {
    .post-body {
        text-align: justify;
    }
}

.post-body iframe,
.post-body img,
.post-body video,
.post-body embed {
    margin-bottom: 20px;
}

.post-footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.post-eof {
    background: #ccc;
    height: 1px;
    margin: 80px auto 60px;
    width: 8%;
}

.posts-expand .post-eof {
    display: none;
}

.posts-expand .post-block:not(:first-of-type) {
    margin-top: 120px;
}

.post-block:last-of-type .post-eof {
    display: none;
}
.post-tags {
    margin-top: 40px;
    text-align: left;
}

.post-tags a {
    display: inline-block;
    font-size: 0.8125em;
}

.post-tags a:not(:last-child) {
    margin-right: 10px;
}

.posts-expand .post-tags a {
    background: var(--content-bg-color);
    border-bottom: 0;
    padding: 1px 5px;
}

.posts-expand .post-tags a:hover {
    background: var(--menu-item-bg-color);
}

.footer {
    color: #999;
    font-size: 0.875em;
    padding: 20px 0;
    transition: 0.2s ease-in-out;
    transition-property: left, right;
}

.footer.footer-fixed {
    bottom: 0;
    left: 0;
    position: absolute;
    right: 0;
}

.footer-inner {
    box-sizing: border-box;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0 auto;
    width: 700px;
}
@media (max-width: 767px) {
    .footer-inner {
        width: auto;
    }
}
@media (min-width: 1200px) {
    .footer-inner {
        width: 800px;
    }
}
@media (min-width: 1600px) {
    .footer-inner {
        width: 900px;
    }
}

.footer {
    background: var(--content-bg-color);
    color: var(--text-color);
    padding: 10px 0;
}

@media (max-width: 767px) {
    .footer-inner {
        text-align: center;
    }
}

.use-motion .footer {
    opacity: 0;
}

.with-love {
    color: #f00;
    display: inline-block;
    margin: 0 5px;
    animation: icon-animate 1.33s ease-in-out infinite;
}

.back-to-top {
    font-size: 12px;
    align-items: center;
    bottom: -100px;
    color: #fff;
    display: flex;
    height: 26px;
    transition: 0.2s ease-in-out;
    transition-property: bottom;
    background: #222;
    cursor: pointer;
    opacity: 0.8;
    position: fixed;
    z-index: 30;
    left: 30px;
}

@media (max-width: 991px) {
    .back-to-top {
        left: 20px;
    }
}

@media (max-width: 991px) {
    .back-to-top {
        opacity: 1;
    }
}

.back-to-top:hover {
    opacity: 1;
}

.back-to-top:hover {
    color: #87daff;
}
.back-to-top.back-to-top-on {
    bottom: 30px;
}

.back-to-top span {
    margin-right: 8px;
    display: none;
}

.back-to-top .fa {
    text-align: center;
    width: 26px;
}

.category-all-page .category-all-title {
    text-align: center;
}

.category-all-page .category-all {
    margin-top: 20px;
}

.category-all-page .category-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.category-all-page .category-list-item {
    margin: 5px 10px;
}

.category-all-page .category-list-count {
    font-size: 0.75em;
    background: #fff;
    border-radius: 10px;
    color: #555;
    font-weight: bold;
    line-height: 1;
    margin-left: 0.35em;
    padding: 1px 4px;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.1);
}

.tag-cloud {
    text-align: center;
}

.tag-cloud a {
    display: inline-block;
    margin: 10px;
}
.tag-cloud-0 {
border-bottom-color: #aaa;
color: #aaa;
}
.tag-cloud-1 {
border-bottom-color: #9a9a9a;
color: #9a9a9a;
}
.tag-cloud-2 {
border-bottom-color: #8b8b8b;
color: #8b8b8b;
}
.tag-cloud-3 {
border-bottom-color: #7c7c7c;
color: #7c7c7c;
}
.tag-cloud-4 {
border-bottom-color: #6c6c6c;
color: #6c6c6c;
}
.tag-cloud-5 {
border-bottom-color: #5d5d5d;
color: #5d5d5d;
}
.tag-cloud-6 {
border-bottom-color: #4e4e4e;
color: #4e4e4e;
}
.tag-cloud-7 {
border-bottom-color: #3e3e3e;
color: #3e3e3e;
}
.tag-cloud-8 {
border-bottom-color: #2f2f2f;
color: #2f2f2f;
}
.tag-cloud-9 {
border-bottom-color: #202020;
color: #202020;
}
.tag-cloud-10 {
border-bottom-color: #111;
color: #111;
}

@media (prefers-color-scheme: dark) {
.tag-cloud-0 {
    border-bottom-color: #555;
    color: #555;
}
.tag-cloud-1 {
    border-bottom-color: #646464;
    color: #646464;
}
.tag-cloud-2 {
    border-bottom-color: #737373;
    color: #737373;
}
.tag-cloud-3 {
    border-bottom-color: #828282;
    color: #828282;
}
.tag-cloud-4 {
    border-bottom-color: #929292;
    color: #929292;
}
.tag-cloud-5 {
    border-bottom-color: #a1a1a1;
    color: #a1a1a1;
}
.tag-cloud-6 {
    border-bottom-color: #b0b0b0;
    color: #b0b0b0;
}
.tag-cloud-7 {
    border-bottom-color: #c0c0c0;
    color: #c0c0c0;
}
.tag-cloud-8 {
    border-bottom-color: #cfcfcf;
    color: #cfcfcf;
}
.tag-cloud-9 {
    border-bottom-color: #dedede;
    color: #dedede;
}
.tag-cloud-10 {
    border-bottom-color: #eee;
    color: #eee;
}
}

.posts-expand.index .post-header {
    text-align: left;
}
@media (max-width: 767px) {
    .posts-expand.index .post-header {
        text-align: center;
    }
}

.posts-expand.index .post-meta-container {
    margin-top: 5px;
}

.posts-expand.index .post-meta {
    justify-content: flex-start;
}
@media (max-width: 767px) {
    .posts-expand.index .post-meta {
        justify-content: center;
    }
}

.posts-expand .post-header {
    margin-bottom: 20px;
}

.pagination .page-number.current {
    background: #ccc;
    border-color: #ccc;
    color: var(--content-bg-color);
}

.pagination {
    border-top: 1px solid #eee;
    margin: 120px 0 0;
    text-align: left;
}

.pagination .space {
    margin: 0;
    padding: 0;
}

.pagination .prev,
.pagination .next,
.pagination .page-number,
.pagination .space {
    display: inline-block;
    margin: -1px 10px 0;
    padding: 0 10px;
}

@media (max-width: 767px) {
    .pagination {
        margin: 80px 0 0;
        text-align: center;
    }
}

@media (max-width: 767px) {
    .pagination .prev,
    .pagination .next,
    .pagination .page-number,
    .pagination .space {
        margin: 0 5px;
    }
}

.pagination .prev,
.pagination .next,
.pagination .page-number {
    border-bottom: 0;
    border-top: 1px solid #eee;
    transition: border-color 0.2s ease-in-out;
}

.pagination .prev:hover,
.pagination .next:hover,
.pagination .page-number:hover {
    border-top-color: var(--link-hover-color);
}

@media (max-width: 767px) {
    .pagination {
        border-top: 0;
    }
    .pagination .prev,
    .pagination .next,
    .pagination .page-number {
        border-bottom: 1px solid #eee;
        border-top: 0;
    }
    .pagination .prev:hover,
    .pagination .next:hover,
    .pagination .page-number:hover {
        border-bottom-color: var(--link-hover-color);
    }
}