@charset "UTF-8";

:root {
    --about-hgroup-title-color: #112111;
    --about-hgroup-paragraph-color: #444544;
    --about-article-text-color: #181818;
    --about-article-title-color: #047555;
    --about-article-focus-color: #000000;
    --about-article-subtitle-color: #141414;
    --about-article-gray-color: #555555;
    --about-article-bg-color: #f2f2f2;
    --about-article-border-color: #666666;
    --about-section-bg-color: #fbfcfb;
    --about-section-border-color: #aaaaaa;
    --about-section-shadow-color: #00694b;
    --about-section-link-color: #005f3c;
    --about-article-avatar-filter: hue-rotate(40deg);
    --about-article-filter:
        brightness(0) saturate(100%) invert(29%)
        /* --about-article-filter */
        sepia(99%) saturate(500%) hue-rotate(120deg);
    --about-aside-bg-color: #efefef;
    --about-aside-card-bg-color: #fefffe;
    --about-aside-shadow-color: #0a7154;
    --about-aside-info-bg-color: #eff1ef;
    --about-aside-border-color: #aaaaaa;
    --about-aside-text-color: #303030;
    --about-aside-dt-color: #047555;
    --about-aside-dd-color: #444444;
    --about-aside-link-color: #111111;
    --about-aside-visited-color: #777777;
    --about-aside-focus-color: #000000;
    --about-aside-nav-border-color: #adb1b0;
    --about-aside-nav-hover-color: #047555;
    --about-aside-nav-active-color: #f2fbf4;
    --about-aside-nav-bg-color: #fefffe;
    --about-aside-avatar-bg-color: #eeeeee;
    --about-aside-avatar-border-color: #a2b5b0;
    --about-aside-avatar-filter: brightness(0.99);
    --about-aside-button-filter: invert(0.25);
    --about-aside-avatar-gradient: linear-gradient(180deg,
            #edeeed 0%, #fefffe 100%);
    --about-controller-bg-color: #fffeff;
    --about-controller-focus-color: #000000;
    --about-controller-border-color: #777877;
    --about-controller-shadow-color: #00694b;
    --about-controller-filter: invert(0.1);
}

:root.scheme-dark {
    --about-hgroup-title-color: #d3d7d5;
    --about-hgroup-paragraph-color: #a1a1aa;
    --about-article-text-color: #d4d4d8;
    --about-article-title-color: #009f67;
    --about-article-focus-color: #eeeeee;
    --about-article-subtitle-color: #02ac76;
    --about-article-gray-color: #999999;
    --about-article-bg-color: #1e1e1e;
    --about-article-border-color: #4a4b4a;
    --about-section-bg-color: #272727;
    --about-section-border-color: #444847;
    --about-section-shadow-color: #001000;
    --about-section-link-color: #13ab6e;
    --about-article-avatar-filter: brightness(0.7) contrast(1.4);
    --about-article-filter: grayscale(70%) invert(42%)
        /* --about-article-filter */
        sepia(15%) hue-rotate(120deg) saturate(60%);
    --about-aside-bg-color: #1f1f1f;
    --about-aside-card-bg-color: #252525;
    --about-aside-shadow-color: #001000;
    --about-aside-info-bg-color: #202020;
    --about-aside-border-color: #4a4b4a;
    --about-aside-text-color: #d4d4d8;
    --about-aside-dt-color: #02ac76;
    --about-aside-dd-color: #a1a1aa;
    --about-aside-link-color: #e4e4e7;
    --about-aside-visited-color: #8e8d8d;
    --about-aside-focus-color: #eeeeee;
    --about-aside-nav-border-color: #4a4b4a;
    --about-aside-nav-hover-color: #03c185;
    --about-aside-nav-active-color: #2a2b2a;
    --about-aside-nav-bg-color: #1f1f1f;
    --about-aside-avatar-bg-color: #3f3f3f;
    --about-aside-avatar-border-color: #4a4b4a;
    --about-aside-avatar-filter: brightness(0.75) contrast(1.2);
    --about-aside-button-filter: invert(0.75);
    --about-aside-avatar-gradient: linear-gradient(180deg,
            #1a1a1a 0%, #272727 100%);
    --about-controller-bg-color: #272727;
    --about-controller-focus-color: #078b42;
    --about-controller-border-color: #3f3f46;
    --about-controller-shadow-color: #111111;
    --about-controller-filter: invert(0.7);
}

@media (prefers-color-scheme: dark) {
    :root.scheme-default {
        --about-hgroup-title-color: #d3d7d5;
        --about-hgroup-paragraph-color: #a1a1aa;
        --about-article-text-color: #d4d4d8;
        --about-article-title-color: #009f67;
        --about-article-focus-color: #eeeeee;
        --about-article-subtitle-color: #02ac76;
        --about-article-gray-color: #999999;
        --about-article-bg-color: #1e1e1e;
        --about-article-border-color: #4a4b4a;
        --about-section-bg-color: #272727;
        --about-section-border-color: #444847;
        --about-section-shadow-color: #001000;
        --about-section-link-color: #13ab6e;
        --about-article-avatar-filter: brightness(0.75) contrast(1.2);
        --about-article-filter: grayscale(70%) invert(42%)
            /* --about-article-filter */
            sepia(15%) hue-rotate(120deg) saturate(60%);
        --about-aside-bg-color: #1f1f1f;
        --about-aside-card-bg-color: #252525;
        --about-aside-shadow-color: #001000;
        --about-aside-info-bg-color: #202020;
        --about-aside-border-color: #4a4b4a;
        --about-aside-text-color: #d4d4d8;
        --about-aside-dt-color: #02ac76;
        --about-aside-dd-color: #a1a1aa;
        --about-aside-link-color: #e4e4e7;
        --about-aside-visited-color: #8e8d8d;
        --about-aside-focus-color: #eeeeee;
        --about-aside-nav-border-color: #4a4b4a;
        --about-aside-nav-hover-color: #03c185;
        --about-aside-nav-active-color: #2a2b2a;
        --about-aside-nav-bg-color: #1f1f1f;
        --about-aside-avatar-bg-color: #3f3f3f;
        --about-aside-avatar-border-color: #4a4b4a;
        --about-aside-avatar-filter: brightness(0.8) contrast(1.2);
        --about-aside-button-filter: invert(0.75);
        --about-aside-avatar-gradient: linear-gradient(180deg,
                #1a1a1a 0%, #272727 100%);
        --about-controller-bg-color: #272727;
        --about-controller-focus-color: #078b42;
        --about-controller-border-color: #3f3f46;
        --about-controller-shadow-color: #111111;
        --about-controller-filter: invert(0.7);
    }
}

main>hgroup {
    text-align: center;
    padding: 10px 0;
}

main>hgroup>h1 {
    font-size: max(23px, min(40px, 8vw));
    letter-spacing: 3px;
    margin: 0;
    padding: 6px 0;
    color: var(--about-hgroup-title-color);
    font-weight: 600;
}

main>hgroup>p {
    margin: 0;
    padding: 6px 0;
    font-size: max(15px, min(20px, 4vw));
    letter-spacing: normal;
    color: var(--about-hgroup-paragraph-color);
}

main>hgroup>p::before {
    content: "——";
}

main>.container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

main article {
    order: 2;
    width: 950px;
    height: auto;
    padding: 0.75rem 0.75rem;
    color: var(--about-article-text-color);
    background-color: var(--about-article-bg-color);
    border: 1px solid var(--about-article-border-color);
    border-radius: 5px;
}

main article>section {
    margin: 4px 0;
    padding: 1rem 1.75rem;
    background-color: var(--about-section-bg-color);
    border-top: 1px solid var(--about-section-border-color);
    box-shadow: 0 1px 2px var(--about-section-shadow-color);
}

main article h2 {
    margin: 1px 0;
    padding-bottom: 0.5rem;
    text-align: center;
    font-size: 27px;
    font-weight: 600;
    color: var(--about-article-title-color);
}

main article h3 {
    margin: 3px 0;
    text-align: left;
    font-size: 25px;
    font-weight: 600;
    color: var(--about-article-subtitle-color);
    scroll-margin-top: 92px;
}

main article h3>a {
    position: relative;
    color: inherit;
    text-decoration: none;
}

main article h3>a:hover {
    text-decoration: underline;
    text-decoration-thickness: 1px;
}

main article h3>a:focus-visible {
    border-radius: 3px;
    outline: 2px solid var(--about-article-focus-color);
}

main article h3>a:hover::before,
main article h3>a:focus-visible::before {
    position: absolute;
    content: "#";
    left: -18px;
    top: 0;
    font-size: inherit;
}

main article p {
    margin: 16px 0;
    font-size: 19px;
    text-align: left;
    text-indent: 2em;
    letter-spacing: 1px;
    word-break: break-all;
}

main article kbd {
    border-radius: 5px;
    background-color: var(--about-article-bg-color);
    border: 1px solid var(--about-article-gray-color);
    width: fit-content;
    margin: 0 2px;
    padding: 0 4px;
    font-family: "consolas", "courier new", monospace;
}

main article abbr {
    cursor: help;
    text-decoration: none;
}

main article figure {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

main article figure>figcaption {
    font-size: 16px;
    text-align: center;
    margin-top: 16px;
    color: var(--about-article-gray-color);
}


main article figure.access,
main article figure.avatar {
    flex-direction: column;
}

main article figure>img {
    height: auto;
    aspect-ratio: 1;
    transform-origin: center;
}

main article figure.tech>img {
    width: 20%;
}

main article figure.access>img {
    width: 29%;
}

main article figure.tech>img,
main article figure.access>img {
    filter: var(--about-article-filter);
}


main article figure.avatar>img {
    width: 28%;
    opacity: 1.0;
    filter: var(--about-article-avatar-filter);
}

main article p.load-time {
    margin: 0;
    padding-top: 8px;
    font-size: 14px;
    text-align: center;
    color: var(--about-article-gray-color);
}

main article>section.disclaimer p {
    margin: 9px 0 0 0;
}

main article>section.blogger {
    display: none;
}

main article dl {
    margin: 0;
    padding: 0;
    font-size: 19px;
    text-align: left;
    text-indent: 2em;
    letter-spacing: 1px;
    color: inherit;
}

main article dt {
    display: inline-block;
    width: fit-content;
    margin: 6px 0;
    padding: 0;
    font-weight: bold;
    text-indent: 0;
}

main article dd {
    display: inline-block;
    width: fit-content;
    margin: 6px 0;
    padding: 0;
    text-indent: 0;
}

main article ol {
    margin: 0;
    padding: 0;
    list-style: decimal inside;
}

main article ol li {
    font-size: 19px;
    text-indent: 1em;
    margin: 4px 0;
    padding: 0;
    color: inherit;
}

main article a,
main article li a {
    color: var(--about-section-link-color);
    text-decoration: underline;
    font-size: 19px;
}

main article a:focus-visible {
    outline: 2px solid var(--about-article-focus-color);
    border-radius: 4px;
}

main>.container>aside {
    position: sticky;
    top: 72px;
    max-height: calc(100vh - 73px);
    width: 200px;
    height: auto;
    min-height: 200px;
    border-radius: 5px;
    color: var(--about-aside-text-color);
    border: 1px solid var(--about-aside-border-color);
    background-color: var(--about-aside-bg-color);
    overflow: auto;
}

main>.container>aside.left {
    order: 1;
    width: 255px;
    min-width: 250px;
}

main>.container>aside.right {
    order: 3;
    width: 230px;
    min-width: 220px;
}

main aside.left>.pack-up {
    display: none;
    position: absolute;
    top: 11px;
    right: 11px;
    margin: 0;
    padding: 0;
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: opacity 0.25s ease;
    z-index: 4;
}

main aside.left>.pack-up img {
    width: 24px;
    height: 24px;
    filter: var(--about-aside-button-filter);
}

main aside.left>.pack-up:hover {
    opacity: 0.8;
}

main aside.left>.pack-up:focus-visible {
    outline: 2px solid var(--about-aside-focus-color);
    outline-offset: 2px;
    border-radius: 4px;
}

main aside.left>figure.card {
    margin-top: 2px;
    padding: 12px 0 8px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-image: var(--about-aside-avatar-gradient);
}

main aside.left>figure>img {
    background-color: var(--about-aside-avatar-bg-color);
    border: 1px solid var(--about-aside-avatar-border-color);
    border-radius: 50%;
    filter: none;
    width: 50%;
    height: auto;
    aspect-ratio: 1;
    cursor: grab;
    filter: var(--about-aside-avatar-filter);
}

main aside.left>figure>figcaption {
    margin: 0;
    padding: 3px 0;
    font-size: 17px;
    font-weight: bold;
    color: var(--about-aside-text-color);
}

main aside.left>.card {
    margin: 10px 4px;
    padding: 5px 20px;
    width: calc(100% - 8px);
    background-color: var(--about-aside-card-bg-color);
    box-shadow: 1px 0 2px var(--about-aside-shadow-color);
}

main aside.left>.card dt {
    padding: 6px 0 8px 0;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: var(--about-aside-dt-color);
}

main aside.left>.card dd {
    margin: 0 0 4px 0;
    font-size: 17px;
    color: var(--about-aside-dd-color);

}

main aside.left>.card ul {
    margin: 0;
    padding: 0;
}

main aside.left>.card ul li {
    text-align: left;
    font-size: 18px;
    margin: 2px 0;
}

main aside.left>.card.information ul {
    display: grid;
    gap: 2px 5px;
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    margin: 0 14px;
}

main aside.left>.card.information li {
    list-style: square inside;
    color: var(--about-aside-text-color);
    border: 1px solid var(--about-aside-border-color);
    background-color: var(--about-aside-info-bg-color);
    border-radius: 4px;
    transition: box-shadow 0.3s ease;
}

main aside.left>.card.information li:hover {
    box-shadow: 0px 0px 3px var(--about-aside-shadow-color);
}

main aside.left>.card.information li.html {
    list-style-image: url("../icons/about/html5.svg");
}

main aside.left>.card.information li.css {
    list-style-image: url("../icons/about/css3.svg");
}

main aside.left>.card.information li.js {
    list-style-image: url("../icons/about/js.svg");
}

main aside.left>.card.information li.php {
    list-style-image: url("../icons/about/php.svg");
}

main aside.left>.card.information abbr {
    color: inherit;
    cursor: help;
    text-decoration: none;
}

main aside.left>.card.articles {
    padding: 5px 10px;
}

main aside.left>.card.articles li {
    padding: 3px 0;
    list-style: square inside;
    list-style-image: url("../icons/about/article.svg");
    color: var(--about-aside-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

main aside.left>.card.articles a {
    color: inherit;
    text-decoration: none;
    font-size: 18px;
}

main aside.left>.card.articles a:link {
    color: var(--about-aside-link-color);
}

main aside.left>.card.articles a:visited {
    /* :visited 有历史泄漏保护，这里只改 color */
    color: var(--about-aside-visited-color);
}

main aside.left>.card.articles a:hover {
    text-decoration: underline;
}

main aside.left>.card.articles a:focus-visible {
    outline: 2px solid var(--about-aside-focus-color);
    border-radius: 2px;
}

main aside.right>nav {
    width: 100%;
    height: auto;
    min-height: 140px;
    overflow: auto;
}

main aside.right>nav h2 {
    margin: 0;
    text-align: center;
    font-size: 23px;
    font-weight: bold;
    padding: 5px 0;
}

main aside.right>nav ul {
    margin: 2px 1px 2px 1px;
    padding: 2px;
}

main aside.right>nav li {
    display: flex;
    justify-content: start;
    align-items: center;
    margin: 0;
    padding: 6px 2px;
    list-style: none;
    width: 100%;
    min-height: 48px;
    background-color: var(--about-aside-nav-bg-color);
    border-left: 3px solid var(--about-aside-nav-border-color);
    transition: background-color 0.25s ease-out;

}

main aside.right>nav li.blogger {
    display: none;
}

main aside.right nav li.target-current {
    font-weight: 400;
    border-left: 3px solid var(--about-aside-nav-hover-color);
    color: var(--about-aside-nav-hover-color);
    background-color: var(--about-aside-nav-active-color);
}

main aside.right>nav li:not(:last-child) {
    border-bottom: 1px solid var(--about-aside-nav-border-color);
}

main aside.right>nav a {
    color: inherit;
    font-size: 17px;
    margin-left: 0.75em;
    text-decoration: none;
    line-height: 1.5;
    transition: color 0.1s ease;
}

main aside.right>nav a:focus-visible {
    outline: 2px solid var(--about-aside-focus-color);
    outline-offset: 2px;
    border-radius: 2px;
    color: var(--about-aside-nav-hover-color);
}

main aside.right>nav a:hover {
    text-decoration: underline;
    color: var(--about-aside-nav-hover-color);
}

main aside.right>.buttons {
    background-color: var(--about-aside-card-bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

main aside.right>.buttons button {
    width: 100%;
    border: none;
    background-color: transparent;
    margin: 4px;
    padding: 8px;
    cursor: pointer;
    transition: opacity 0.25s ease;
}

main aside.right>.buttons button:focus-visible {
    outline: 2px solid var(--about-aside-focus-color);
    border-radius: 2px;
}

main aside.right>.buttons button:hover {
    opacity: 0.8;
}

main aside.right>.buttons button:active {
    transform-origin: center;
    transform: scale(0.96);
}

main aside.right>.buttons img {
    width: 60%;
    height: auto;
    aspect-ratio: 1;
    pointer-events: none;
    filter: var(--about-aside-button-filter);
}

main aside.right>.buttons a {
    display: none;
    text-decoration: none;
    color: inherit;
    font-size: 16px;
    padding: 8px 0 10px;
    transition: color 0.1s ease;
}

main aside.right>.buttons a:hover {
    text-decoration: underline;
    color: var(--about-aside-nav-hover-color);
}

/* 回到顶部按钮 */
main>.controller>.to-top {
    display: none;
    position: fixed;
    right: 1.25rem;
    bottom: min(1.75rem, 12vh);
    z-index: 1;
    width: 54px;
    height: 54px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--about-aside-text-color);
    text-decoration: none;
    font-size: 16px;
    border: 1px solid var(--about-controller-border-color);
    background: var(--about-controller-bg-color);
    box-shadow: 1px 2px 4px var(--about-controller-border-color);
    cursor: pointer;
    transition: box-shadow 0.2s ease;
}

main>.controller>.to-top.noscript,
main>.controller>.to-top.hidden {
    display: none;
}

main>.controller>.to-top:focus-visible {
    outline: 2px solid var(--about-controller-focus-color);
    outline-offset: -2px;
}

main>.controller>.to-top:hover {
    color: var(--about-controller-shadow-color);
    box-shadow: 1px 2px 6px var(--about-controller-shadow-color);
    text-decoration: underline;
}

main>.controller>.to-top img {
    width: 25px;
    height: 25px;
    pointer-events: none;
    filter: var(--about-controller-filter);
    transition: transform 0.2s ease;
}

main>.controller>.to-top:active img {
    transform: translateY(-3px);
}

/* 若支持滚动目标组且不支持交叉观察器，使用 CSS 实现导航高亮功能 */
@supports (scroll-target-group: auto) {
    main aside.right nav:not(.intersect) {
        scroll-target-group: auto;
    }

    main aside.right nav:not(.intersect) li:has(a:target-current) {
        font-weight: 400;
        border-left: 3px solid var(--about-aside-nav-hover-color);
        color: var(--about-aside-nav-hover-color);
        background-color: var(--about-aside-nav-active-color);
    }
}

@media (max-width: 1060px) {
    main>.container>aside.left {
        display: none;
        position: fixed;
        width: min(255px, 60vw);
        overscroll-behavior: contain;
        min-width: auto;
        top: 75px;
        left: 3px;
        z-index: 3;
    }

    main article>section.blogger {
        display: block;
    }

    main aside.right>nav li.blogger {
        display: flex;
    }
}

@media (max-width: 830px) {
    main>.container>aside.right {
        display: none;
        position: fixed;
        width: min(230px, 58vw);
        overscroll-behavior: contain;
        min-width: auto;
        top: 75px;
        right: 3px;
        z-index: 3;
    }

    main>.controller>.to-top {
        display: flex;
    }
}

/* 打印时隐藏 */
@media print {

    main>.container>aside,
    main>.controller,
    main article .load-time {
        display: none;
    }

    main article section.blogger {
        display: block;
    }
}