:root {
    --material-text: #3c4858;
    --material-muted: #777;
    --material-heading: #2c3340;
    --material-surface: #fff;
    --material-background: #f3f4f6;
    --material-nav: rgba(255, 255, 255, 0.98);
    --material-border: #e5e8eb;
    --material-subtle: #f7f9fa;
    --material-inline-code: #f0f2f3;
    --material-inline-code-text: #c7254e;
    --material-shadow: 0 16px 38px -12px rgba(0, 0, 0, 0.2), 0 4px 25px 0 rgba(0, 0, 0, 0.08);
    --gh-font-heading: inherit;
    --gh-font-body: inherit;
}

body.color-scheme-dark {
    color-scheme: dark;
    --material-text: #dce3ea;
    --material-muted: #a7b0bb;
    --material-heading: #f3f6f9;
    --material-surface: #161b22;
    --material-background: #0d1117;
    --material-nav: rgba(22, 27, 34, 0.98);
    --material-border: #30363d;
    --material-subtle: #21262d;
    --material-inline-code: #262c35;
    --material-inline-code-text: #ff7b9c;
}

@media (prefers-color-scheme: dark) {
    body.color-scheme-system {
        color-scheme: dark;
        --material-text: #dce3ea;
        --material-muted: #a7b0bb;
        --material-heading: #f3f6f9;
        --material-surface: #161b22;
        --material-background: #0d1117;
        --material-nav: rgba(22, 27, 34, 0.98);
        --material-border: #30363d;
        --material-subtle: #21262d;
        --material-inline-code: #262c35;
        --material-inline-code-text: #ff7b9c;
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: 70px;
    overflow-x: hidden;
    color: var(--material-text);
    background: var(--material-background);
    font-family: var(--gh-font-body, "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif);
    font-size: 14px;
    line-height: 1.75;
}

body.menu-open {
    overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6,
.material-title,
.card-title,
.navbar-brand {
    font-family: var(--gh-font-heading, inherit);
}

h1,
h2,
h3 {
    margin-top: 20px;
    margin-bottom: 10px;
}

h4,
h5,
h6 {
    margin-top: 10px;
    margin-bottom: 10px;
}

h1 { font-size: 36px; }
h2 { font-size: 30px; }
h3 { font-size: 24px; }
h4 { font-size: 18px; }
h5 { font-size: 14px; }
h6 { font-size: 12px; }

p {
    margin: 0 0 10px;
}

a,
.text-info,
.text-info a,
.category.text-info a {
    color: var(--material-accent-foreground);
    text-decoration: none;
}

a:hover,
a:focus {
    color: var(--material-accent-foreground);
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--material-accent-foreground);
    outline-offset: 3px;
}

.page-header :focus-visible,
.carousel :focus-visible,
.footer :focus-visible {
    outline-color: #fff;
}

img {
    max-width: 100%;
    height: auto;
    border: 0;
    vertical-align: middle;
}

figure {
    margin: 0;
}

button,
input,
select,
textarea {
    margin: 0;
    color: inherit;
    font: inherit;
}

button {
    cursor: pointer;
}

hr {
    height: 0;
    margin: 20px 0;
    border: 0;
    border-top: 1px solid var(--material-border);
}

.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: 15px;
    padding-left: 15px;
}

.row {
    display: flex;
    margin-right: -15px;
    margin-left: -15px;
    flex-wrap: wrap;
}

.col-ms-5,
.col-ms-7,
.col-sm-5,
.col-sm-7,
.col-sm-12,
.col-md-2,
.col-md-4,
.col-md-6,
.col-md-8,
.col-md-10,
.col-md-12 {
    position: relative;
    width: 100%;
    min-height: 1px;
    padding-right: 15px;
    padding-left: 15px;
}

.text-left { text-align: left; }
.text-center { text-align: center; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
}

.wrapper {
    display: flex;
    min-height: calc(100vh - 70px);
    flex-direction: column;
}

.main {
    position: relative;
    z-index: 2;
    flex: 1 0 auto;
    background: var(--material-surface);
}

.main-raised {
    margin: 30px;
    border-radius: 8px;
    box-shadow: var(--material-shadow);
}

.main-raised .container {
    max-width: 100%;
}

.section {
    padding: 70px 0;
}

.material-blogs {
    padding: 65px 0 70px;
}

.material-title {
    margin-top: 0;
    color: var(--material-heading);
    font-weight: 600;
    line-height: 1.25;
}

.description,
.card-description,
.author {
    color: var(--material-muted);
}

/* Navigation */
.navbar.navbar-default {
    min-height: 70px;
    margin: 0;
    border: 0;
    border-radius: 0;
    background: var(--material-nav);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.navbar-fixed-top {
    position: fixed;
    z-index: 1030;
    top: 0;
    right: 0;
    left: 0;
}

.navbar > .container,
.navbar-header,
.navbar-nav {
    display: flex;
}

.navbar-header {
    flex: 0 0 auto;
}

.navbar-collapse {
    display: flex;
    margin-left: auto;
    align-items: center;
}

.navbar-nav {
    margin: 0;
    padding: 0;
    align-items: center;
    list-style: none;
}

.navbar-nav > li > a {
    display: block;
}

.navbar .navbar-brand {
    display: flex;
    height: 70px;
    align-items: center;
    padding: 10px 15px;
    color: var(--material-heading);
    font-size: 18px;
    font-weight: 600;
}

.navbar-brand img {
    width: auto;
    max-height: 50px;
}

.navbar-brand p {
    margin: 0;
}

.navbar-default .navbar-nav > li > a {
    padding: 25px 15px;
    color: var(--material-text);
    font-weight: 500;
}

.navbar-default .navbar-nav > .nav-current > a,
.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
    color: var(--material-accent-foreground);
}

.navbar .material-toggle-search {
    padding-right: 12px;
    padding-left: 12px;
}

.navbar .navbar-nav > li > a.navbar-subscribe.btn {
    margin: 15px 0 15px 8px;
    padding: 10px 18px;
    color: var(--material-accent-contrast);
}

.navbar-default .navbar-toggle {
    display: none;
    margin-right: 15px;
    margin-bottom: 8px;
    padding: 9px 10px;
    margin-top: 18px;
    border: 0;
    border-radius: 4px;
    background: transparent;
}

.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
    background: transparent;
}

.icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
    background: var(--material-text);
}

.icon-bar + .icon-bar {
    margin-top: 4px;
}

.icon-search {
    position: relative;
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-radius: 50%;
    vertical-align: -2px;
}

.icon-search::after {
    position: absolute;
    right: -5px;
    bottom: -3px;
    width: 6px;
    height: 2px;
    content: "";
    background: currentColor;
    transform: rotate(45deg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 15px;
    border: 0;
    border-radius: 3px;
    background: var(--material-surface);
    color: var(--material-text);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.18);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.45;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    vertical-align: middle;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.btn:hover,
.btn:focus {
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 12px 22px;
    font-size: 16px;
}

.btn-sm {
    padding: 6px 10px;
}

.btn-default {
    border: 1px solid var(--material-border);
}

body .btn.btn-primary,
body .btn.btn-primary:hover,
body .btn.btn-primary:focus,
body .btn.btn-primary:active,
body .label.label-primary {
    border-color: var(--material-accent);
    background-color: var(--material-accent);
    color: var(--material-accent-contrast);
}

.btn.btn-round {
    border-radius: 30px;
}

.btn.btn-just-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    font-size: 18px;
    line-height: 44px;
}

.btn.btn-just-icon > span {
    display: block;
    font-weight: 700;
}

.label {
    padding: 0.2em 0.6em 0.3em;
    border-radius: 0.25em;
    color: #fff;
    font-size: 75%;
    font-weight: 700;
    line-height: 1;
}

.label-default {
    background: var(--material-muted);
    color: #000;
}

.btn-qq,
.btn-weixin,
.btn-weibo,
.btn-twitter,
.btn-facebook {
    background: var(--material-accent);
    color: var(--material-accent-contrast);
}

/* Headers and carousel */
.carousel,
.carousel-inner {
    position: relative;
}

.carousel-inner {
    overflow: hidden;
}

.page-header {
    position: relative;
    display: flex;
    min-height: 420px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    align-items: center;
    border: 0;
    background: #263238;
}

.page-header > .container {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: 70px;
    padding-bottom: 70px;
}

.page-header .header-filter {
    position: absolute;
    z-index: 0;
    inset: -12% 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    will-change: transform;
}

.page-header .header-filter::after {
    position: absolute;
    content: "";
    inset: 0;
    background: rgba(12, 20, 28, 0.6);
}

.header-filter-gradient {
    background: var(--material-accent);
}

.page-header .material-title,
.page-header .author,
.page-header .author a,
.page-header .description,
.page-header .sub-title {
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.page-header .category.text-info,
.page-header .category.text-info a,
.page-header .category.text-info a:hover,
.page-header .category.text-info a:focus {
    color: #fff;
}

.page-header .category.text-info a:hover,
.page-header .category.text-info a:focus {
    text-decoration: underline;
}

.page-header .post-title {
    font-size: clamp(34px, 5vw, 56px);
}

.carousel .page-header {
    min-height: calc(100vh - 70px);
}

.carousel .item {
    display: none;
    text-align: center;
}

.carousel .item.active {
    display: block;
}

.carousel .material-title {
    font-size: clamp(34px, 5vw, 56px);
}

.carousel .sub-title {
    display: block;
    margin-top: 14px;
    font-size: 18px;
}

.carousel .buttons {
    margin-top: 42px;
}

.carousel .carousel-control.left,
.carousel .carousel-control.right {
    position: absolute;
    z-index: 3;
    top: 0;
    bottom: 0;
    width: 15%;
    padding: 0;
    border: 0;
    background-image: none;
    background-color: transparent;
    color: #fff;
    opacity: 0.6;
}

.carousel .carousel-control:hover,
.carousel .carousel-control:focus {
    opacity: 1;
}

.carousel .carousel-control.left { left: 0; }
.carousel .carousel-control.right { right: 0; }

.carousel .carousel-indicators {
    position: absolute;
    z-index: 4;
    bottom: 28px;
    left: 50%;
    display: flex;
    width: 60%;
    margin: 0 0 0 -30%;
    padding: 0;
    justify-content: center;
    gap: 8px;
    list-style: none;
}

.carousel .carousel-rotation-control {
    position: absolute;
    z-index: 4;
    bottom: 60px;
    left: 20px;
}

.carousel-indicators button {
    display: block;
    width: 10px;
    height: 10px;
    padding: 0;
    border: 1px solid #fff;
    border-radius: 50%;
    background: transparent;
}

.carousel-indicators button.active {
    background: #fff;
}

.carousel-control .carousel-arrow {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 40px;
    transform: translate(-50%, -50%);
}

/* Cards and lists */
.card {
    position: relative;
    margin: 30px 0;
    border-radius: 8px;
    background: var(--material-surface);
}

.card .content {
    padding: 20px 24px;
}

.card-image {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--material-shadow);
}

.card-image img {
    display: block;
    width: 100%;
    transition: transform 0.25s ease;
}

.card-image a:hover img {
    transform: scale(1.02);
}

.post-card .card-image,
.section.related-posts .card-image {
    aspect-ratio: 3 / 2;
}

.post-card .card-image img,
.section.related-posts .card-image img {
    height: 100%;
    object-fit: cover;
}

.post-card {
    margin-bottom: 34px;
}

.post-card .card-title {
    margin-top: 0.4em;
    font-size: 1.45em;
}

.post-card .card-title a,
.related-posts .card-title a {
    color: var(--material-heading);
}

.post-card .post-summary {
    min-height: 240px;
}

.post-card .author > * + * {
    margin-left: 12px;
}

.post-card .post-date,
.post-card .reading-time {
    color: var(--material-muted);
}

.posts-pagination {
    margin: 40px 0 10px;
    text-align: center;
}

.author-archive-card {
    margin-bottom: 30px;
}

.card-avatar img {
    border-radius: 50%;
    box-shadow: var(--material-shadow);
}

.card-avatar {
    text-align: center;
}

.avatar-placeholder {
    position: relative;
    display: inline-block;
    width: 64px;
    height: 64px;
    overflow: hidden;
    border-radius: 50%;
    background: var(--material-subtle);
}

.avatar-placeholder::before,
.avatar-placeholder::after {
    position: absolute;
    left: 50%;
    content: "";
    background: #cfd8dc;
    transform: translateX(-50%);
}

.avatar-placeholder::before {
    top: 12px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.avatar-placeholder::after {
    bottom: -10px;
    width: 46px;
    height: 34px;
    border-radius: 50% 50% 0 0;
}

@media (min-width: 768px) {
    .container { width: 750px; }

    .col-ms-5,
    .col-sm-5 { width: 41.66666667%; }
    .col-ms-7,
    .col-sm-7 { width: 58.33333333%; }
    .col-sm-12 { width: 100%; }

    .post-cards-image-right .post-card .post-image,
    .post-cards-alternating .post-card:nth-of-type(odd) .post-image {
        order: 2;
    }

    .post-cards-image-right .post-card .post-summary,
    .post-cards-alternating .post-card:nth-of-type(odd) .post-summary {
        order: 1;
    }
}

@media (min-width: 992px) {
    .container { width: 970px; }
    .col-md-2 { width: 16.66666667%; }
    .col-md-4 { width: 33.33333333%; }
    .col-md-6 { width: 50%; }
    .col-md-8 { width: 66.66666667%; }
    .col-md-10 { width: 83.33333333%; }
    .col-md-12 { width: 100%; }
    .col-md-offset-1 { margin-left: 8.33333333%; }
    .col-md-offset-2 { margin-left: 16.66666667%; }
}

@media (min-width: 1200px) {
    .container { width: 1170px; }
}

/* Post and page content */
.blog-post {
    word-wrap: break-word;
}

.blog-post .section-text {
    padding-top: 55px;
    padding-bottom: 55px;
}

.breadcrumb-list {
    display: flex;
    margin: 0 0 38px;
    padding: 0 0 14px;
    flex-wrap: wrap;
    list-style: none;
    border-bottom: 1px solid var(--material-border);
    border-radius: 0;
    background: transparent;
}

.breadcrumb-list .current {
    color: var(--material-muted);
}

.breadcrumb-list > li + li::before {
    padding: 0 8px;
    content: "/";
    color: var(--material-muted);
}

.ghost-content {
    color: var(--material-text);
    font-size: 16px;
    line-height: 1.85;
    word-break: break-word;
}

.ghost-content > * + * {
    margin-top: 1.2em;
}

.ghost-content h1,
.ghost-content h2,
.ghost-content h3,
.ghost-content h4,
.ghost-content h5,
.ghost-content h6 {
    margin-top: 1.35em;
    margin-bottom: 0.65em;
    color: var(--material-heading);
    line-height: 1.4;
}

.ghost-content a {
    color: var(--material-accent-foreground);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.ghost-content img {
    border-radius: 4px;
}

.ghost-content figcaption {
    margin-top: 0.6em;
    color: var(--material-muted);
    font-size: 0.9em;
    text-align: center;
}

.ghost-content blockquote {
    margin: 1.5em 0;
    padding: 0.75em 1.25em;
    border-left: 4px solid var(--material-accent);
    border-radius: 0 4px 4px 0;
    background: var(--material-subtle);
    color: var(--material-text);
}

.ghost-content pre {
    margin: 1.5em 0;
    padding: 18px;
    overflow: auto;
    border-radius: 4px;
    background: #263238;
    color: #eceff1;
}

.ghost-content code {
    font-family: Consolas, Monaco, "Courier New", monospace;
}

.ghost-content :not(pre) > code {
    padding: 2px 6px;
    border-radius: 3px;
    background: var(--material-inline-code);
    color: var(--material-inline-code-text);
}

.ghost-content pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.kg-code-card pre {
    margin-bottom: 0;
}

.material-prism-soft-wrap pre[class*="language-"],
.material-prism-soft-wrap code[class*="language-"] {
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.ghost-content pre {
    scrollbar-width: none;
}

.ghost-content pre::-webkit-scrollbar {
    display: none;
}

pre[id].linkable-line-numbers .line-numbers-rows,
pre[id].linkable-line-numbers .line-numbers-rows > span {
    pointer-events: auto;
}

.ghost-content table {
    width: 100%;
    margin: 1.5em 0;
    border-collapse: collapse;
}

.ghost-content th,
.ghost-content td {
    padding: 10px 12px;
    border: 1px solid var(--material-border);
}

.ghost-content th {
    background: var(--material-subtle);
}

.kg-gallery-card,
.kg-image-card,
.kg-embed-card {
    margin: 1.5em 0;
}

.kg-gallery-container {
    display: flex;
    flex-direction: column;
}

.kg-gallery-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.kg-gallery-row:not(:first-of-type) {
    margin-top: 0.75em;
}

.kg-gallery-image:not(:first-of-type) {
    margin-left: 0.75em;
}

.kg-gallery-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.kg-bookmark-container {
    display: flex;
    min-height: 148px;
    overflow: hidden;
    border: 1px solid var(--material-border);
    border-radius: 6px;
    color: inherit;
    text-decoration: none;
}

.kg-bookmark-content {
    flex: 1;
    padding: 20px;
}

.kg-bookmark-title {
    font-weight: 700;
}

.kg-bookmark-description,
.kg-bookmark-metadata {
    color: var(--material-muted);
    font-size: 0.9em;
}

.kg-bookmark-thumbnail {
    width: 180px;
    min-height: 148px;
}

.kg-bookmark-thumbnail img {
    width: 100%;
    height: 100%;
    border-radius: 0;
    object-fit: cover;
}

.kg-callout-card,
.kg-toggle-card {
    padding: 1em 1.25em;
    border: 1px solid var(--material-border);
    border-radius: 6px;
    background: var(--material-subtle);
}

.kg-callout-card {
    display: flex;
}

.kg-callout-emoji {
    padding-right: 0.8em;
}

.kg-button-card {
    text-align: center;
}

.kg-button-card a,
.kg-header-card .kg-header-card-button {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 30px;
    background: var(--material-accent);
    color: var(--material-accent-contrast);
    text-decoration: none;
}

body .kg-button-card a.kg-btn-accent,
body .kg-header-card.kg-style-light a.kg-header-card-button,
body .kg-product-card a.kg-product-card-btn-accent {
    background: var(--material-accent);
    color: var(--material-accent-contrast);
}

body .kg-header-card.kg-v2 .kg-header-card-button.kg-style-accent,
body .kg-signup-card .kg-signup-card-button.kg-style-accent,
body a.kg-cta-button.kg-style-accent {
    background: var(--material-accent);
    color: var(--material-accent-contrast) !important;
}

body .kg-callout-card.kg-callout-card-accent {
    background: var(--material-accent);
    color: var(--material-accent-contrast);
}

body .kg-callout-card.kg-callout-card-accent a {
    color: var(--material-accent-contrast);
}

body .kg-header-card.kg-style-accent,
body .kg-signup-card.kg-style-accent {
    background: var(--material-accent);
    color: var(--material-accent-contrast);
}

body .kg-transistor-icon {
    background: var(--material-accent);
    color: var(--material-accent-contrast);
}

body .kg-audio-thumbnail.placeholder {
    background: var(--material-accent);
}

body .kg-audio-thumbnail.placeholder svg {
    fill: var(--material-accent-contrast);
}

body .kg-header-card.kg-style-accent h2.kg-header-card-header,
body .kg-header-card.kg-style-accent h3.kg-header-card-subheader,
body .kg-header-card.kg-style-accent h2.kg-header-card-header a,
body .kg-header-card.kg-style-accent h3.kg-header-card-subheader a {
    color: var(--material-accent-contrast);
}

body .kg-header-card.kg-style-accent.kg-v2 .kg-header-card-heading,
body .kg-header-card.kg-style-accent.kg-v2 .kg-header-card-subheading,
body .kg-signup-card.kg-style-accent .kg-signup-card-heading,
body .kg-signup-card.kg-style-accent .kg-signup-card-subheading,
body .kg-signup-card.kg-style-accent .kg-signup-card-disclaimer,
body .kg-signup-card.kg-style-accent .kg-signup-card-success,
body .kg-signup-card.kg-style-accent .kg-signup-card-error {
    color: var(--material-accent-contrast) !important;
}

body .kg-header-card h2.kg-header-card-header a,
body .kg-header-card h3.kg-header-card-subheader a,
body .kg-cta-link-accent .kg-cta-sponsor-label a,
body .kg-cta-link-accent .kg-cta-text a {
    color: var(--material-accent-foreground);
}

body .kg-header-card.kg-style-light h2.kg-header-card-header a,
body .kg-header-card.kg-style-light h3.kg-header-card-subheader a,
body .kg-file-card-icon svg {
    color: var(--material-accent-foreground-light);
}

body .kg-header-card.kg-style-dark h2.kg-header-card-header a,
body .kg-header-card.kg-style-dark h3.kg-header-card-subheader a {
    color: var(--material-accent-foreground-dark);
}

@media (min-width: 1200px) {
    .ghost-content .kg-width-wide {
        position: relative;
        left: 50%;
        width: min(960px, calc(100vw - 80px));
        max-width: none;
        transform: translateX(-50%);
    }

    .ghost-content .kg-width-full {
        position: relative;
        left: 50%;
        width: 100vw;
        max-width: none;
        transform: translateX(-50%);
    }
}

/* Post metadata */
.post-title-below {
    padding: 70px 15px 0;
}

.post-title-below .post-title {
    color: var(--material-text);
    font-size: clamp(34px, 5vw, 48px);
}

.post-copyright {
    margin-bottom: 18px;
}

.post-copyright p {
    margin-bottom: 4px;
    font-size: 14px;
}

.like-donate {
    margin: 24px auto;
    text-align: center;
}

.ghost-like {
    display: inline-flex;
    align-items: center;
}

.ghost-like .like-icon {
    margin-right: 6px;
    color: var(--material-accent-contrast);
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
    font-size: 18px;
}

.ghost-like.done {
    color: var(--material-accent-contrast);
}

.ghost-like.done .like-icon {
    fill: currentColor;
}

.post-donation {
    display: flex;
    margin-top: 18px;
    justify-content: center;
    gap: 24px;
}

.post-donation:empty {
    display: none;
}

.post-donation figure {
    margin: 0;
    text-align: center;
}

.post-donation img {
    width: 160px;
}

.post-donation figcaption {
    margin-top: 6px;
    color: var(--material-muted);
}

.post-categories,
.post-tags {
    margin-bottom: 8px;
    word-break: break-word;
}

.post-categories .label,
.post-tags .post-tag {
    display: inline-block;
    margin: 0 4px 6px 0;
}

.post-categories .label a {
    color: var(--material-accent-contrast);
}

.post-tags a {
    color: inherit;
}

.post-share {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
}

.post-pagination-links {
    display: flex;
    margin-top: 40px;
    padding-top: 20px;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--material-border);
}

.post-pagination-links .post-nav-link.next {
    margin-left: auto;
    text-align: right;
}

.section-blog-info {
    padding-top: 20px;
}

.ghost-comments {
    margin-top: 20px;
}

/* Footer */
.footer {
    flex: 0 0 auto;
    padding: 42px 0 18px;
    background: #2d3033;
    color: #aaa;
}

.footer .content {
    text-align: left;
}

.footer h5,
.footer .copyright {
    color: #fff;
}

.footer p {
    color: #aaa;
}

.footer a {
    color: #fff;
}

.footer-brand img {
    max-height: 44px;
}

.footer-menu {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-menu a {
    display: inline-block;
    padding: 4px 0;
}

.footer-menu .nav-current a {
    text-decoration: underline;
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.16);
}

.material-bottom-footer-content::after {
    display: table;
    clear: both;
    content: "";
}

.footer-copyright {
    padding: 8px 0;
    font-size: 12px;
}

.footer-copyright-left { float: left; text-align: left; }
.footer-copyright-center { float: none; text-align: center; }
.footer-copyright-right { float: right; text-align: right; }
.public-security-record { display: block; }

/* Article utilities */
.material-toc {
    margin: 0 0 36px;
    padding: 20px 24px;
    border: 1px solid var(--material-border);
    border-radius: 6px;
    background: var(--material-subtle);
}

.material-toc-title {
    margin-bottom: 10px;
    color: var(--material-heading);
    font-weight: 600;
}

.material-toc ol {
    margin: 0;
    padding-left: 22px;
}

.material-toc li + li {
    margin-top: 5px;
}

.material-toc-level-3 { margin-left: 18px; }
.material-toc-level-4 { margin-left: 36px; }
.material-toc-level-5 { margin-left: 54px; }
.material-toc-level-6 { margin-left: 72px; }

.ghost-content h2,
.ghost-content h3,
.ghost-content h4,
.ghost-content h5,
.ghost-content h6 {
    scroll-margin-top: 90px;
}

.heading-anchor {
    margin-left: 0.4em;
    opacity: 0;
    font-size: 0.75em;
    text-decoration: none;
    transition: opacity 0.15s ease;
}

.ghost-content h2:hover .heading-anchor,
.ghost-content h3:hover .heading-anchor,
.ghost-content h4:hover .heading-anchor,
.ghost-content h5:hover .heading-anchor,
.ghost-content h6:hover .heading-anchor,
.heading-anchor:focus {
    opacity: 1;
}

.reading-progress {
    position: fixed;
    z-index: 1040;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    pointer-events: none;
}

.reading-progress-bar {
    width: 0;
    height: 100%;
    background: var(--material-accent-foreground);
}

.site-notice {
    display: flex;
    min-height: 44px;
    padding: 10px 18px;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border-bottom: 1px solid var(--material-border);
    background: var(--material-subtle);
    color: var(--material-text);
    text-align: center;
}

.site-notice-close {
    padding: 0 4px;
    border: 0;
    background: transparent;
    color: inherit;
    font-size: 24px;
    line-height: 1;
}

/* Feedback and utility UI */
#snackbar {
    position: fixed;
    z-index: 1100;
    bottom: 16px;
    left: 16px;
    min-width: 250px;
    padding: 14px 18px;
    visibility: hidden;
    border-radius: 3px;
    background: #263238;
    color: #fff;
    text-align: center;
}

#snackbar.show {
    visibility: visible;
    animation: snackbar-in 0.25s ease-out;
}

@keyframes snackbar-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.error-404-page {
    display: flex;
    min-height: calc(100vh - 70px);
    align-items: center;
}

.error-404-page {
    background: #081421;
    color: #d3d7de;
    font: 18px/1.5 "Courier New", monospace;
}

.error-404-page .code-area {
    width: 340px;
    max-width: 100%;
    margin: auto;
}

.error-404-page .code-area > span {
    display: block;
}

button.material-scroll-to-top {
    position: fixed;
    z-index: 900;
    right: 22px;
    bottom: 24px;
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
}

button.material-fade {
    display: inline-block;
}

body.medium-zoom--open .navbar-fixed-top {
    z-index: 0;
}

@media (max-width: 767px) {
    body {
        padding-top: 60px;
    }

    .wrapper {
        min-height: calc(100vh - 60px);
    }

    .navbar.navbar-default,
    .navbar .navbar-brand {
        min-height: 60px;
        height: 60px;
    }

    .navbar > .container {
        display: block;
    }

    .navbar-header {
        justify-content: space-between;
    }

    .navbar-brand img {
        max-height: 40px;
    }

    .navbar-default .navbar-toggle {
        display: block;
        margin-top: 13px;
    }

    .navbar-default .navbar-collapse {
        display: none;
        max-height: calc(100vh - 60px);
        margin-right: -15px;
        margin-left: -15px;
        overflow-y: auto;
        border: 0;
        background: var(--material-surface);
    }

    .navbar-default .navbar-collapse.open {
        display: block;
    }

    .navbar-nav {
        display: block;
    }

    .navbar-default .navbar-nav > li > a {
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .navbar .navbar-nav > li > a.navbar-subscribe.btn {
        margin: 8px 15px 16px;
        text-align: center;
    }

    .main-raised {
        margin: 16px 0 0;
        border-radius: 0;
    }

    .material-blogs,
    .section {
        padding-top: 44px;
        padding-bottom: 44px;
    }

    .page-header {
        min-height: 320px;
    }

    .carousel .page-header {
        min-height: calc(100vh - 60px);
        padding-right: 30px;
        padding-left: 30px;
    }

    .carousel .material-title {
        font-size: 28px;
    }

    .carousel .sub-title {
        font-size: 15px;
    }

    .post-card .post-summary {
        min-height: 0;
        padding-top: 18px;
    }

    .post-title-below {
        padding-top: 45px;
    }

    .post-share {
        margin-top: 16px;
        justify-content: flex-start;
    }

    .post-pagination-links {
        flex-direction: column;
    }

    .post-pagination-links .post-nav-link.next {
        margin-left: 0;
        text-align: left;
    }

    .heading-anchor {
        opacity: 1;
    }

    .footer-copyright-left,
    .footer-copyright-right {
        float: none;
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}