    * {
        padding: 0px;
        margin: 0px;
        box-sizing: border-box;
        font-family: 'Open Sans', 'Helvetica Neue', Helvetica, 'BBAlpha Sans', 'S60 Sans', Arial,
            'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }



    body {
        line-height: 2em;
        -webkit-font-smoothing: antialiased;
    }

    img,
    picture,
    video,
    canvas,
    svg {
        display: block;
        max-width: 100%;
    }

    input,
    button,
    textarea,
    select {
        font: inherit;
    }

    p,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        overflow-wrap: break-word;
        text-wrap: balance;
    }

    p {
        text-wrap: pretty;
    }


    #root,
    #__next {
        isolation: isolate;
    }

    ul li,
    ol li {
        margin-left: 2em;
    }

    ul li p,
    ol li p {
        text-indent: 0em !important;
    }

    center,
    img {
        margin: 0.2em auto 1em !important;
    }

    a,
    .link {
        color: var(--base-color);
        text-decoration: none;
        transition: transform 0.5s ease-in-out;
    }

    a:hover,
    a:active,
    .link:hover,
    .link:active {
        transform: scale(1.2);
        text-decoration: underline;
    }

    .icon {
        display: inline-block;
    }

    .icon:hover {
        font-weight: bolder;
        transform: scale(1.1);
    }

    blockquote {
        padding: 0em 1em;
        margin: 2em 0em;
        font-weight: bold;
        border-left: 4px solid #99cff6;
    }

    section {
        width: 100%;
    }

    .tip {
        font-size: var(--font-size-tip);
        border: none;
    }

    .tip.update {
        color: gray;
    }

    .h-center {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    hr {
        width: 100%;
        margin: 0.5em 0em;
        border-top: 1px solid var(--border-color);
    }

    input,
    textarea {
        color: var(--font-color);
        padding: 0.2em;
        border: 1px solid gray;
        border-radius: 0.2em;
        outline: none;
        background-color: var(--input-bg-color);
    }

    input:focus-visible,
    textarea:focus-visible {
        outline: none;
        border-color: var(--base-color);
    }

    details summary {
        cursor: pointer;
    }

    #theme-switch svg:last-child {
        display: none;
    }

    .darkmode #theme-switch svg:first-child {
        display: none;
    }

    .darkmode #theme-switch svg:last-child {
        display: block;
    }

    .container {
        align-items: center;
        position: relative;
        margin: 0em auto;
        margin-top: var(--container-margin-top);
        -ms-overflow-style: none;
        scrollbar-width: none;
        width: var(--base-width);
        color: var(--font-color);
        box-sizing: border-box;
    }

    .container .note-top {
        position: absolute;
        top: 0em;
        width: 100%;
        height: 5em;
        background: url('/assets/notetop.png');
        background-size: 100%;
        background-repeat: no-repeat;
        z-index: 999;
        pointer-events: none;
    }

    .container .note-body {
        background-color: var(--main-bg-color);
        box-shadow: 1px 2px 7px #d6d6d6;
    }

    .container .note-body .note-body-inner {
        padding: 0em 0.5em 0em;
        padding-top: var(--note-body-gap);
    }

    .container .note-bottom {
        position: relative;
        bottom: var(--note-bottom);
        width: 100%;
        height: var(--note-bottom-height);
        background-image: var(--note-bottom-img);
        background-size: 100%;
        background-repeat: no-repeat;
    }

    .container .container-inner {
        min-height: var(--container-height-min);
        display: flex;
        justify-content: space-between;
        gap: 0.5em;
        width: inherit;
        background-color: inherit;
        color: inherit;
    }

    .container .toc-btn {
        transition: all ease 1s;
    }

    .container .toc-btn.active {
        rotate: 90deg;
    }

    .container .side-bar {
        overflow: hidden;
        font-size: var(--font-size-s);
        transition: max-height ease 1s;
        max-height: 0vh;
    }

    .container .side-bar .side-bar-body {
        position: relative;
        width: 100%;
        padding: 0.5em;
        margin: 2em 0em 2em;
        border-radius: 0.2em;
        background-color: var(--sider-bg-color);
    }

    .container .side-bar .side-bar-body .side-bar-head {
        position: absolute;
        top: -1.5em;
        left: 45%;
        width: 3em;
        height: 3em;
        cursor: pointer;
        background-image: url('/assets/tag.png');
        background-size: 100%;
        background-repeat: no-repeat;
    }

    .container .side-bar .side-bar-body .side-bar-content {
        display: flex;
        flex-direction: column;
        gap: 1em;
        width: 100%;
    }

    .container .side-bar .side-bar-body .side-bar-content ul {
        width: 100%;
        list-style: none;
    }

    .container .side-bar .side-bar-body .side-bar-content ul li {
        margin: 0.5em 1em;
    }

    .container .side-bar .side-bar-body .side-bar-content ul li a {
        color: inherit !important;
        text-decoration: underline;
    }

    .container .side-bar .side-bar-body .side-bar-content .side-bar-intro {
        line-height: 1.7em;
        font-size: var(--font-size-s);
    }

    .container .side-bar .side-bar-body .side-bar-content .search form {
        display: flex;
        gap: 0.1em;
        width: 100%;
    }

    .container .side-bar .side-bar-body .side-bar-content .search input {
        flex: 1;
        min-width: 6em;
    }

    .container .side-bar .side-bar-body .side-bar-content .search button {
        width: 1.5em;
    }

    .container .side-bar .side-bar-body .side-bar-content .search button svg {
        width: 1em !important;
        height: 1em !important;
        margin: 0em auto;
    }

    .container .content-wrapper {
        flex: 1;
        padding: 0em var(--content-h-padding);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        overflow: hidden;
    }

    .container .content-wrapper .content {
        flex: 1;
        display: flex;
        justify-content: flex-start;
        align-items: flex-start;
        line-height: 1.7em;
    }

    .container .content-wrapper .content p.head-item {
        text-indent: 0em;
    }

    .container .gap {
        color: rgba(53, 64, 80, 0.388);
    }

    .centroid {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .header {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        width: 100%;
        background-color: var(--base-color);
    }

    .upper {
        position: fixed;
        bottom: 1em;
        right: 1em;
        width: 2.5em;
        height: 2.5em;
        opacity: 0;
        border-radius: 0.2em;
        transition: opacity 0.5s ease-in-out;
        cursor: pointer;
        background-color: var(--base-color);
        z-index: 999;
    }

    .upper a {
        display: flex;
        justify-content: center;
        align-items: center;
        width: inherit;
        height: inherit;
        color: #fff;
        text-decoration: none;
    }

    .upper a:active,
    .upper a:hover {
        transform: scale(1.1);
    }

    footer {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        padding: var(--footer-padding-size) 0px;
        margin-top: 2em;
        border-top: 1px solid var(--border-color);
        gap: 4em;
    }

    footer .footer-item {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    footer .footer-item span {
        font-size: var(--font-size-s);
    }

    footer .footer-item a {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    footer .footer-item svg {
        width: var(--footer-icon-size);
        height: var(--footer-icon-size);
        border-radius: 3px;
        fill: var(--base-color);
    }

    .nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 0.5em;
        margin: 0px;
        text-align: left;
        font-size: var(--font-size-s);
        color: gray;
        border-bottom: 1px solid var(--border-color);
        box-sizing: border-box;
    }

    .nav .nav-inner {
        flex: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .nav .icon {
        margin-left: 3px;
    }

    .nav .icon svg {
        width: var(--nav-icon-size);
        height: var(--nav-icon-size);
    }

    .icon {
        cursor: pointer;
    }

    .icon:hover,
    .icon :active {
        transform: scale(1.1);
        font-weight: bolder;
    }

    .lazy-img-wrapper {
        display: block;
        min-height: 100px;
        background-image: url(/assets/loading.gif);
        background-repeat: no-repeat;
        background-position: center;
        background-size: 2em;
    }

    .lazy-img-wrapper img {
        opacity: 0;
        display: block;
        width: 100%;
        margin: 0px auto;
        border-radius: 0.1em;
        transition: opacity 1s ease-in-out;
    }

    h1 {
        font-size: var(--font-size);
    }

    h2 {
        font-size: var(--font-size);
    }

    h3 {
        font-size: var(--font-size);
    }

    h4,
    h5,
    h6 {
        font-size: var(--font-size);
    }

    .post-list {
        width: 100%;
    }

    .post-list .post-item {
        display: flex;
        gap: 0.5em;
        width: 100%;
    }

    .post-list .post-item .post-item-body {
        flex: 9;
        padding: 0.5em 0em;
        border-bottom: 1px solid var(--border-color);
    }

    .post-list .post-item .post-item-body .body-text {
        display: flex;
        flex-direction: column;
        gap: 0.4em;
        min-height: 5em;
        padding: 0.5em;
        font-size: var(--font-size);
        line-height: 1.5em;
        word-break: break-all;
    }

    .post-list .post-item .post-item-body .body-text .blog-opt {
        font-size: var(--font-size-s);
        margin: 0.5em 0em;
        text-indent: 0em;
    }

    .post-list .post-item .post-item-body .body-text .blog-intro {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
        min-height: 4em;
    }

    .post-list .post-item .post-item-body .body-text p {
        text-indent: 2em;
    }

    .post-list .post-item .post-item-body .body-text p.post-title {
        text-indent: 0em;
        line-height: 1em;
    }

    .post-list .post-item .post-item-body .body-text img {
        display: block;
        width: 100%;
        margin: 0.5em auto;
        border-radius: 0.5em;
    }

    .post-list .post-item .post-item-timeline {
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        color: var(--font-color);
        font-size: var(--timeline-font-size);
        border: none;
        border-left: 1px solid var(--border-color);
    }

    .post-list .post-item .post-item-timeline .timeline {
        position: relative;
        left: -0.45em;
    }

    .post-list .post-item .post-item-timeline .timeline .timeline-date {
        margin: 0em 0.3em;
    }

    body {
        font-size: var(--font-size);
        background-color: var(--main-bg-color);
        background-image: var(--base-main-bg-img);
        background-size: 20px 20px;
    }