:root {
    --post-max: 1080px
}

.render-shell {
    max-width: var(--post-max);
    margin: 0 auto;
    padding: 76px var(--gutter) 108px;
    position: relative
}

.render-shell:before {
    display: none
}

.render-head {
    padding: 54px 16px 48px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 34px;
    position: relative;
    border-radius: 28px;
    background: radial-gradient(circle at 18% 20%, rgba(102, 204, 255, .22), transparent 34%), radial-gradient(circle at 88% 10%, rgba(214, 165, 51, .24), transparent 32%), linear-gradient(135deg, rgba(255, 255, 255, .72), rgba(255, 255, 255, .18));
    box-shadow: 0 24px 70px -48px rgba(33, 150, 212, .32)
}

.render-head:after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), #fff3b0, var(--gold), transparent)
}

.render-head h1 {
    font-family: var(--serif);
    font-size: clamp(30px, 4.8vw, 50px);
    line-height: 1.06;
    letter-spacing: 0;
    margin: 14px 0;
    background: linear-gradient(115deg, var(--ink) 0%, var(--gold-deep) 28%, var(--gold) 60%, var(--cyan-deep) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent
}

.render-desc {
    max-width: 68ch;
    color: var(--ink-2);
    font-size: 14px;
    line-height: 1.75;
    margin: 0 0 18px
}

.render-meta {
    display: flex;
    gap: 9px;
    flex-wrap: wrap;
    color: var(--ink-3);
    font-size: 12px
}

.render-meta > span {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(102, 204, 255, .28);
    background: linear-gradient(135deg, rgba(102, 204, 255, .12), rgba(214, 165, 51, .11));
    color: var(--gold-deep);
    font-weight: 800
}

.render-cover {
    margin: 28px 0 0;
    width: min(100%, 760px);
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid var(--line-2);
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(102, 204, 255, .14), rgba(214, 165, 51, .12));
    box-shadow: var(--shadow-md)
}

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

.render-layout {
    display: grid;
    grid-template-columns: minmax(0, 760px) minmax(220px, 260px);
    gap: 28px;
    align-items: start;
    justify-content: center
}

.render-body {
    font-size: 14px;
    line-height: 1.82;
    color: var(--ink);
    background: linear-gradient(180deg, rgba(255, 255, 255, .42), rgba(255, 255, 255, .18));
    border: 1px solid rgba(102, 204, 255, .13);
    border-radius: 22px;
    padding: clamp(18px, 4vw, 34px);
    box-shadow: 0 24px 70px -44px rgba(33, 150, 212, .36);
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    overflow-wrap: anywhere
}

.render-toc {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 116px);
    overflow: auto;
    padding: 18px;
    border: 1px solid rgba(102, 204, 255, .24);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .72), rgba(255, 255, 255, .34));
    box-shadow: 0 22px 56px -42px rgba(33, 150, 212, .52)
}

.render-toc__title {
    margin: 0 0 12px;
    color: var(--gold-deep);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .18em;
    text-transform: uppercase
}

.render-toc nav {
    display: grid;
    gap: 3px
}

.render-toc__link,
.render-toc__empty {
    border-left: 2px solid transparent;
    padding: 7px 0 7px 12px;
    color: var(--ink-2);
    font-size: 12px;
    line-height: 1.45
}

.render-toc__link {
    display: block;
    overflow: hidden;
    text-overflow: clip;
    white-space: nowrap;
    border-radius: 0 8px 8px 0;
    transition: color .18s, background .18s, border-color .18s
}

.render-toc__empty {
    display: block
}

.render-toc__link:hover,
.render-toc__link.is-active {
    color: var(--cyan-deep);
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(102, 204, 255, .18), rgba(214, 165, 51, .08), transparent)
}

.render-toc-tip {
    position: fixed;
    z-index: 300;
    width: min(520px, calc(100vw - 24px));
    padding: 12px 14px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: rgba(255, 255, 255, .96);
    color: var(--ink);
    box-shadow: 0 18px 46px -24px rgba(33, 150, 212, .62), 0 8px 18px -16px rgba(122, 77, 16, .34);
    font-size: 12px;
    line-height: 1.65;
    pointer-events: none
}

.render-toc-tip mjx-container {
    max-width: 100%;
    overflow-x: clip;
    overflow-y: hidden
}

.render-toc-tip mjx-container.is-overflowing {
    display: block !important;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin
}

.render-toc-tip mjx-container.is-overflowing > mjx-math {
    min-width: max-content
}

.render-toc__link--3 {
    padding-left: 24px
}

.render-toc__link--4 {
    padding-left: 36px;
    font-size: 12px
}

.render-body h1,
.render-body h2,
.render-body h3,
.render-body h4 {
    font-family: var(--serif);
    line-height: 1.25;
    letter-spacing: 0;
    scroll-margin-top: 92px
}

.render-body h1 {
    font-size: 29px;
    margin: 34px 0 18px
}

.render-body h2 {
    font-size: 23px;
    margin: 42px 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    color: var(--gold-deep);
    background: none;
    -webkit-text-fill-color: currentColor
}

.render-body h3 {
    font-size: 19px;
    margin: 32px 0 10px;
    color: var(--ink)
}

.render-body h4 {
    font-size: 16px;
    margin: 26px 0 8px;
    color: var(--gold-deep)
}

.render-body h2 mjx-container,
.render-body h2 mjx-container * {
    color: var(--gold-deep) !important;
    -webkit-text-fill-color: var(--gold-deep) !important
}

.render-body p,
.render-body ul,
.render-body ol,
.render-body blockquote,
.render-body table {
    margin: 18px 0
}

.render-body li {
    margin: 7px 0
}

.render-body a {
    color: var(--cyan-deep);
    font-weight: 800;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px
}

.render-body img {
    max-width: 100%;
    border-radius: 16px;
    border: 1px solid var(--line-2);
    box-shadow: var(--shadow-md)
}

.render-body mjx-container[display="true"] {
    font-size: .94em;
    max-width: 100%;
    overflow-x: clip;
    overflow-y: hidden
}

.render-body mjx-container[display="true"].is-overflowing {
    display: block !important;
    width: 100%;
    overflow-x: auto;
    padding-bottom: .25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin
}

.render-body mjx-container[display="true"].is-overflowing > mjx-math {
    min-width: max-content
}

.render-body mjx-container:not([display="true"]) {
    max-width: none;
    overflow: visible
}

.render-body blockquote {
    border-left: 4px solid var(--cyan);
    padding: 10px 0 10px 18px;
    background: linear-gradient(90deg, rgba(102, 204, 255, .16), rgba(214, 165, 51, .07), transparent);
    color: var(--ink-2);
    border-radius: 0 12px 12px 0
}

.render-body table {
    width: 100%;
    border-collapse: collapse;
    display: block;
    overflow: auto;
    border-radius: 12px
}

.render-body th,
.render-body td {
    border: 1px solid var(--line-2);
    padding: 9px 11px
}

.render-body th {
    background: linear-gradient(135deg, var(--gold-soft), var(--cyan-soft));
    color: var(--gold-deep)
}

.render-body code:not(pre code) {
    font-family: var(--mono);
    background: rgba(102, 204, 255, .12);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: .12em .42em;
    font-size: .9em;
    color: #175d83
}

.render-body pre:not(.code-pre) {
    max-width: 100%;
    overflow: auto;
    border: 1px solid rgba(102, 204, 255, .2);
    border-radius: 12px;
    background: #111827;
    padding: 18px;
    color: #abb2bf
}

.code-frame {
    max-width: 100%;
    margin: 26px 0;
    border: 1px solid transparent;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(11, 16, 28, .98), rgba(24, 28, 44, .96)) padding-box,
        linear-gradient(120deg, #66ccff, #d6a533, #c678dd, #98c379, #61aeee) border-box;
    box-shadow: 0 28px 72px -42px rgba(12, 18, 32, .86), 0 0 0 1px rgba(255, 255, 255, .04) inset;
    overflow: hidden
}

.code-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 42px;
    padding: 8px 10px 8px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    background: radial-gradient(circle at 8% 0%, rgba(102, 204, 255, .2), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(214, 165, 51, .18), transparent 30%),
        rgba(6, 10, 18, .58)
}

.code-lang {
    color: #b8c7dc;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase
}

.code-copy {
    height: 30px;
    padding: 0 12px;
    border: 1px solid rgba(102, 204, 255, .32);
    border-radius: 8px;
    background: rgba(15, 23, 42, .84);
    color: #d6e4f4;
    font: 800 12px/1 var(--sans);
    cursor: pointer;
    transition: border-color .18s, color .18s, background .18s
}

.code-copy:hover,
.code-copy.is-copied {
    border-color: rgba(102, 204, 255, .68);
    color: #66ccff;
    background: rgba(21, 31, 52, .98)
}

.code-scroller {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    overflow: auto;
    background: radial-gradient(circle at 14% 18%, rgba(102, 204, 255, .12), transparent 34%),
        radial-gradient(circle at 90% 8%, rgba(198, 120, 221, .14), transparent 28%),
        #111827
}

.code-gutter {
    position: sticky;
    left: 0;
    z-index: 1;
    min-width: 3.8rem;
    padding: 18px 0;
    border-right: 1px solid rgba(102, 204, 255, .18);
    background: linear-gradient(90deg, rgba(8, 13, 24, .98), rgba(17, 24, 39, .92));
    color: #64748b;
    font: 13px/1.62 var(--mono);
    text-align: right;
    user-select: none
}

.code-gutter span {
    display: block;
    padding: 0 12px
}

.code-pre {
    min-width: max-content;
    margin: 0;
    border: 0;
    background: transparent !important;
    box-shadow: none;
    overflow: visible
}

.code-pre code,
.code-pre code.hljs {
    display: block;
    padding: 18px 22px;
    background: transparent !important;
    color: #abb2bf;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.62;
    white-space: pre;
    tab-size: 4
}

.code-pre .hljs-operator {
    color: #ff78c6
}

.code-pre .hljs-punctuation {
    color: #7dd3fc
}

.code-pre .hljs-variable {
    color: #f8fafc
}

.code-pre .hljs-comment,
.code-pre .hljs-quote {
    color: #39ff14;
    font-style: italic;
    text-shadow: 0 0 10px rgba(57, 255, 20, .28)
}

.code-pre .hljs-extra-token {
    font-weight: 600
}

.back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin-bottom: 22px;
    padding: 0 18px;
    border: 1px solid rgba(102, 204, 255, .34);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 255, 255, .86), rgba(102, 204, 255, .13));
    color: var(--cyan-deep);
    font-weight: 900;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform .18s, border-color .18s, box-shadow .18s, color .18s, background .18s
}

.back:hover {
    border-color: var(--line-strong);
    background: linear-gradient(135deg, rgba(102, 204, 255, .16), rgba(214, 165, 51, .14));
    color: var(--gold-deep);
    box-shadow: var(--shadow-md);
    transform: translateX(-3px)
}

.footnotes {
    margin-top: 44px;
    border-top: 1px solid var(--line);
    font-size: 14px;
    color: var(--ink-2)
}

@media(max-width:1020px) {
    .render-layout {
        grid-template-columns: 1fr
    }

    .render-toc {
        position: static;
        order: -1;
        max-height: 320px
    }
}

@media(max-width:680px) {
    .render-shell {
        padding: 28px 10px 88px
    }

    .render-head {
        padding: 26px 12px 24px;
        margin-bottom: 22px;
        border-radius: 18px
    }

    .render-desc {
        font-size: 12px;
        line-height: 1.65
    }

    .render-meta {
        gap: 6px;
        font-size: 11px
    }

    .render-meta > span {
        height: 23px;
        padding: 0 8px
    }

    .render-body {
        font-size: 13px;
        line-height: 1.72;
        padding: 14px;
        border-radius: 14px
    }

    .render-toc {
        padding: 14px;
        border-radius: 12px
    }

    .render-head h1 {
        font-size: 26px;
        line-height: 1.12
    }

    .render-body h1 {
        font-size: 24px
    }

    .render-body h2 {
        font-size: 20px;
        margin: 30px 0 10px
    }

    .render-body h3 {
        font-size: 17px;
        margin: 24px 0 8px
    }

    .render-body h4 {
        font-size: 15px
    }

    .render-body p,
    .render-body ul,
    .render-body ol,
    .render-body blockquote,
    .render-body table {
        margin: 13px 0
    }

    .render-body mjx-container[display="true"] {
        font-size: .86em;
        margin: 1rem 0;
        padding: .55rem 0
    }

    .code-pre code,
    .code-pre code.hljs,
    .code-gutter {
        font-size: 12px
    }
}