:root {
    --capsule-violet: #b58cff;
    --capsule-blue: #64d8ff;
    --capsule-green: #55edbd;
    --capsule-amber: #ffc46b;
    --capsule-red: #ff7f96;
    --capsule-panel: rgba(10, 16, 33, 0.84);
    --capsule-soft: rgba(255, 255, 255, 0.035);
}

body {
    counter-reset: chapter-section;
}

.capsule-shell {
    padding-top: var(--header-h);
}

.capsule-hero {
    position: relative;
    overflow: hidden;
    min-height: 470px;
    display: grid;
    align-items: center;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(6, 9, 19, 0.08), var(--bg-deep)),
        radial-gradient(circle at 72% 40%, rgba(160, 107, 255, 0.18), transparent 28%),
        radial-gradient(circle at 18% 30%, rgba(76, 201, 255, 0.13), transparent 30%);
}

.capsule-hero::before,
.capsule-hero::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(100, 216, 255, 0.16);
    border-radius: 50%;
    pointer-events: none;
}

.capsule-hero::before {
    width: 410px;
    height: 410px;
    right: -80px;
    top: -120px;
}

.capsule-hero::after {
    width: 240px;
    height: 240px;
    right: 90px;
    top: -34px;
    border-style: dashed;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    gap: 70px;
    align-items: center;
    padding: 92px 0 76px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    font: 12px/1.2 var(--font-mono);
    letter-spacing: 2.2px;
    color: var(--capsule-blue);
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: currentColor;
    box-shadow: 0 0 9px currentColor;
}

.capsule-title {
    max-width: 900px;
    font-size: clamp(42px, 7vw, 84px);
    line-height: 1.02;
    letter-spacing: -0.035em;
    margin: 0;
}

.capsule-title .outline {
    color: transparent;
    -webkit-text-stroke: 1px rgba(232, 236, 248, 0.72);
}

.capsule-lead {
    max-width: 780px;
    margin-top: 24px;
    color: var(--ink-dim);
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.85;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.hero-facts {
    display: grid;
    gap: 10px;
    padding: 20px;
    border: 1px solid rgba(160, 107, 255, 0.24);
    border-radius: 22px;
    background: rgba(9, 14, 30, 0.72);
    backdrop-filter: blur(14px);
    transform: rotate(1.5deg);
}

.hero-fact {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 13px;
}

.hero-fact:last-child { border-bottom: 0; }
.hero-fact span,
.hero-fact b { min-width: 0; }
.hero-fact span { color: var(--ink-faint); }
.hero-fact b {
    overflow-wrap: anywhere;
    color: var(--ink);
    text-align: right;
}

.capsule-bar {
    position: sticky;
    top: var(--header-h);
    z-index: 85;
    border-bottom: 1px solid var(--line);
    background: rgba(6, 9, 19, 0.91);
    backdrop-filter: blur(16px);
}

.capsule-bar .container {
    display: flex;
    align-items: center;
    min-height: 54px;
    overflow-x: auto;
    scrollbar-width: none;
}

.capsule-bar .container::-webkit-scrollbar { display: none; }

.capsule-home {
    flex: none;
    color: var(--ink);
    font: 700 12px/1 var(--font-mono);
    letter-spacing: 1.4px;
    padding-right: 20px;
    margin-right: 8px;
    border-right: 1px solid var(--line);
}

.capsule-nav {
    display: flex;
    gap: 4px;
    padding: 7px 0;
}

.capsule-nav a {
    flex: none;
    padding: 9px 13px;
    border-radius: 999px;
    color: var(--ink-dim);
    font-size: 12px;
    transition: background .25s, color .25s;
}

.capsule-nav a:hover,
.capsule-nav a.active {
    color: var(--ink);
    background: rgba(100, 216, 255, 0.1);
}

.reading-progress {
    position: fixed;
    left: 0;
    top: calc(var(--header-h) + 53px);
    z-index: 90;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--capsule-blue), var(--capsule-violet), var(--capsule-green));
    box-shadow: 0 0 12px rgba(100, 216, 255, 0.75);
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 64px;
    align-items: start;
    padding: 72px 0 110px;
}

.article-main { min-width: 0; }

/* ---------- 正文页：经典三栏阅读布局 ---------- */
.capsule-article-page .capsule-hero {
    min-height: 300px;
    align-items: start;
}

.capsule-article-page .capsule-hero::before {
    width: 290px;
    height: 290px;
}

.capsule-article-page .capsule-hero::after {
    width: 170px;
    height: 170px;
}

.capsule-article-page .hero-grid {
    display: block;
    padding: 50px 0 44px;
}

.capsule-article-page .capsule-title {
    max-width: 820px;
    font-size: clamp(38px, 5vw, 62px);
}

.capsule-article-page .capsule-lead {
    max-width: 850px;
    margin-top: 16px;
    font-size: 17px;
}

.capsule-article-page .hero-facts { display: none; }

.capsule-article-page .article-layout {
    width: min(1320px, 94vw);
    grid-template-columns: 200px minmax(0, 1fr) 220px;
    gap: 32px;
    padding: 52px 0 104px;
}

.capsule-article-page .reading-progress {
    top: var(--header-h);
}

.chapter-aside,
.capsule-article-page .article-aside {
    top: calc(var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(100, 216, 255, .28) transparent;
}

.chapter-aside {
    position: sticky;
    padding: 2px 18px 20px 0;
    border-right: 1px solid var(--line);
}

.chapter-aside .capsule-home {
    display: block;
    margin: 0 0 22px;
    padding: 0 0 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    letter-spacing: 0;
}

.chapter-aside .capsule-home span,
.chapter-aside .capsule-home b {
    display: block;
}

.chapter-aside .capsule-home span {
    color: var(--capsule-blue);
    font: 11px/1.2 var(--font-mono);
    letter-spacing: 1.8px;
}

.chapter-aside .capsule-home b {
    margin-top: 7px;
    color: var(--ink);
    font-size: 18px;
}

.chapter-aside .aside-label {
    margin: 0 0 9px 9px;
    color: var(--ink-faint);
    font: 10px/1.2 var(--font-mono);
    letter-spacing: 1.5px;
}

.chapter-aside .capsule-nav {
    display: grid;
    gap: 4px;
    padding: 0;
}

.chapter-aside .capsule-nav a {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 9px;
    align-items: center;
    padding: 10px 9px;
    border-radius: 9px;
    font-size: 13px;
}

.chapter-aside .capsule-nav a:hover,
.chapter-aside .capsule-nav a.active {
    background: linear-gradient(90deg, rgba(100, 216, 255, .11), rgba(181, 140, 255, .045));
}

.chapter-aside .nav-index {
    color: var(--ink-faint);
    font: 10px/1 var(--font-mono);
}

.chapter-aside .capsule-nav a.active .nav-index {
    color: var(--capsule-blue);
}

.capsule-article-page .article-aside {
    padding: 15px 12px;
}

.capsule-article-page .article-aside a {
    padding: 6px 8px;
    font-size: 11px;
}

.capsule-article-page .article-aside a.depth-3 {
    padding-left: 15px;
}

.docs-mobile-tools,
.docs-backdrop {
    display: none;
}

.article-main > section {
    counter-increment: chapter-section;
    padding: 22px 0 54px;
    scroll-margin-top: 142px;
}

.article-main > section + section {
    border-top: 1px solid var(--line);
}

.article-main h2 {
    font-size: clamp(27px, 4vw, 42px);
    line-height: 1.25;
    margin-bottom: 18px;
}

.article-main h2::before {
    content: counter(chapter-section, decimal-leading-zero) " / ";
    display: block;
    margin-bottom: 9px;
    font: 12px/1 var(--font-mono);
    letter-spacing: 1.8px;
    color: var(--capsule-blue);
}

.article-main h3 {
    margin: 34px 0 12px;
    font-size: 21px;
    line-height: 1.4;
}

.article-main h4 {
    margin: 24px 0 9px;
    color: var(--capsule-green);
    font-size: 15px;
}

.article-main p,
.article-main li {
    color: var(--ink-dim);
    font-size: 15px;
}

.article-main p { margin: 12px 0; }
.article-main strong { color: var(--ink); }
.article-main ul,
.article-main ol { margin: 12px 0 18px 22px; }
.article-main li + li { margin-top: 8px; }

.article-main code,
.inline-code {
    font-family: var(--font-mono);
    font-size: .88em;
    color: #c8eeff;
    background: rgba(76, 201, 255, 0.08);
    border: 1px solid rgba(76, 201, 255, 0.12);
    border-radius: 5px;
    padding: 2px 6px;
}

.article-main pre {
    margin: 18px 0 24px;
    overflow-x: auto;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #050914;
    color: #c8d3ec;
    font: 13px/1.8 var(--font-mono);
}

.article-main pre code {
    padding: 0;
    color: inherit;
    background: none;
    border: 0;
}

.article-aside {
    position: sticky;
    top: 145px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(10, 16, 33, 0.72);
}

.article-aside .aside-label {
    margin-bottom: 12px;
    font: 11px/1.2 var(--font-mono);
    letter-spacing: 1.5px;
    color: var(--ink-faint);
}

.article-aside a {
    display: block;
    padding: 7px 9px;
    border-left: 1px solid var(--line);
    color: var(--ink-dim);
    font-size: 12px;
    line-height: 1.5;
    transition: color .2s, border-color .2s, background .2s;
}

.article-aside a:hover,
.article-aside a.active {
    color: var(--ink);
    border-left-color: var(--capsule-blue);
    background: rgba(100, 216, 255, 0.05);
}

.article-aside a.depth-3 {
    padding-left: 18px;
    color: var(--ink-faint);
}

.chapter-intro {
    margin-bottom: 34px;
    padding: 24px;
    border-left: 3px solid var(--capsule-violet);
    border-radius: 0 14px 14px 0;
    background: linear-gradient(90deg, rgba(181, 140, 255, 0.09), transparent);
}

.chapter-intro p {
    margin: 0;
    color: var(--ink);
    font-size: 17px;
}

.callout {
    margin: 22px 0;
    padding: 20px 22px;
    border: 1px solid rgba(100, 216, 255, 0.2);
    border-radius: 14px;
    background: rgba(100, 216, 255, 0.055);
}

.callout.warn {
    border-color: rgba(255, 196, 107, 0.25);
    background: rgba(255, 196, 107, 0.06);
}

.callout.good {
    border-color: rgba(85, 237, 189, 0.25);
    background: rgba(85, 237, 189, 0.055);
}

.callout .callout-label {
    display: block;
    margin-bottom: 7px;
    font: 700 11px/1.2 var(--font-mono);
    letter-spacing: 1.4px;
    color: var(--capsule-blue);
    text-transform: uppercase;
}

.callout.warn .callout-label { color: var(--capsule-amber); }
.callout.good .callout-label { color: var(--capsule-green); }
.callout p { margin: 0; }

.metric-grid,
.card-grid,
.chapter-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.metric-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.metric,
.detail-card,
.chapter-card {
    position: relative;
    overflow: hidden;
    padding: 21px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: var(--capsule-soft);
}

.metric b {
    display: block;
    color: var(--capsule-blue);
    font: 700 clamp(24px, 4vw, 38px)/1.1 var(--font-mono);
}

.metric span {
    display: block;
    margin-top: 8px;
    color: var(--ink-faint);
    font-size: 12px;
}

.detail-card h3,
.chapter-card h3 { margin: 0 0 9px; }

.chapter-card {
    min-height: 205px;
    color: var(--ink);
    transition: transform .3s, border-color .3s, box-shadow .3s;
}

.chapter-card:hover {
    transform: translateY(-5px);
    border-color: rgba(100, 216, 255, 0.4);
    box-shadow: 0 18px 42px rgba(0, 0, 0, .3);
}

.chapter-card .chapter-no {
    display: block;
    margin-bottom: 34px;
    font: 12px/1 var(--font-mono);
    letter-spacing: 2px;
    color: var(--capsule-blue);
}

.chapter-card p { color: var(--ink-dim); font-size: 13px; }
.chapter-card .arrow { position: absolute; right: 18px; top: 17px; color: var(--ink-faint); }

.flow {
    display: grid;
    grid-template-columns: repeat(var(--flow-cols, 4), minmax(0, 1fr));
    gap: 22px;
    margin: 28px 0;
}

.flow-step {
    position: relative;
    min-height: 128px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(12, 19, 39, 0.75);
}

.flow-step:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -18px;
    top: 50%;
    color: var(--capsule-blue);
    transform: translateY(-50%);
}

.flow-step small {
    display: block;
    color: var(--capsule-blue);
    font: 10px/1 var(--font-mono);
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.flow-step b { display: block; margin: 10px 0 6px; }
.flow-step p { margin: 0; font-size: 12px; }

.stack-diagram {
    display: grid;
    gap: 9px;
    margin: 26px 0;
}

.stack-layer {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 18px;
    align-items: center;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: linear-gradient(90deg, rgba(100, 216, 255, 0.07), rgba(181, 140, 255, 0.03));
}

.stack-layer b { color: var(--ink); }
.stack-layer span { color: var(--ink-dim); font-size: 13px; }

.data-table-wrap {
    margin: 22px 0;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.data-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    background: rgba(8, 13, 27, 0.58);
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    font-size: 13px;
}

.data-table th {
    color: var(--capsule-blue);
    font: 11px/1.35 var(--font-mono);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.data-table td { color: var(--ink-dim); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td strong { color: var(--ink); }

.path-list {
    display: grid;
    gap: 8px;
    margin: 18px 0;
}

.path-row {
    display: grid;
    grid-template-columns: minmax(210px, .9fr) minmax(0, 1.5fr);
    gap: 16px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
}

.path-row code {
    color: var(--capsule-green);
    background: none;
    border: 0;
    padding: 0;
}

.path-row span { color: var(--ink-dim); font-size: 13px; }

.formula {
    margin: 22px 0;
    padding: 22px;
    overflow-x: auto;
    border-radius: 14px;
    background: linear-gradient(120deg, rgba(181, 140, 255, 0.09), rgba(100, 216, 255, 0.05));
    border: 1px solid rgba(181, 140, 255, 0.2);
    color: var(--ink);
    font: 14px/1.7 var(--font-mono);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.tech-tag {
    padding: 5px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-dim);
    background: rgba(255,255,255,.025);
    font: 11px/1.25 var(--font-mono);
}

.verdict {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 20px;
    margin: 22px 0;
    padding: 22px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(10, 16, 33, 0.68);
}

.verdict b {
    color: var(--capsule-amber);
    font: 12px/1.4 var(--font-mono);
    letter-spacing: 1px;
}

.verdict p { margin: 0; }

.source-note {
    margin-top: 36px;
    padding: 18px 20px;
    border: 1px dashed var(--line);
    border-radius: 12px;
    color: var(--ink-faint);
    font-size: 12px;
}

.next-chapter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin-top: 34px;
    padding: 26px;
    border: 1px solid rgba(100, 216, 255, 0.22);
    border-radius: 16px;
    color: var(--ink);
    background: linear-gradient(120deg, rgba(100, 216, 255, .08), rgba(181, 140, 255, .06));
}

.next-chapter span {
    display: block;
    margin-bottom: 4px;
    color: var(--ink-faint);
    font: 10px/1.2 var(--font-mono);
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.next-chapter b { font-size: 18px; }
.next-chapter i { font-style: normal; color: var(--capsule-blue); font-size: 24px; }

@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; gap: 30px; }
    .hero-facts { max-width: 520px; transform: none; }
    .article-layout { grid-template-columns: 1fr; }
    .article-aside { display: none; }
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .flow-step:not(:last-child)::after { display: none; }
}

@media (max-width: 720px) {
    .capsule-hero { min-height: 0; }
    .hero-grid { padding: 66px 0 58px; }
    .capsule-title { font-size: clamp(38px, 13vw, 58px); }
    .capsule-lead { font-size: 16px; }
    .hero-fact { flex-direction: column; gap: 5px; }
    .hero-fact b { text-align: left; }
    .capsule-home { display: none; }
    .capsule-bar .container { width: 100%; padding: 0 4vw; }
    .article-layout { padding: 46px 0 76px; }
    .article-main > section { padding-bottom: 42px; }
    .card-grid,
    .chapter-grid,
    .metric-grid,
    .flow { grid-template-columns: 1fr; }
    .stack-layer,
    .path-row,
    .verdict { grid-template-columns: 1fr; gap: 7px; }
    .next-chapter { align-items: flex-start; }
}

@media (max-width: 1180px) {
    .capsule-article-page .article-layout {
        grid-template-columns: 190px minmax(0, 1fr);
        gap: 30px;
    }

    .capsule-article-page .article-aside { display: none; }
}

@media (max-width: 820px) {
    .capsule-article-page .capsule-hero { min-height: 0; }

    .capsule-article-page .hero-grid {
        padding: 42px 0 36px;
    }

    .capsule-article-page .capsule-title {
        font-size: clamp(36px, 12vw, 50px);
    }

    .capsule-article-page .capsule-lead {
        font-size: 15px;
        line-height: 1.75;
    }

    .capsule-article-page .article-layout {
        width: min(760px, 92vw);
        grid-template-columns: minmax(0, 1fr);
        padding: 34px 0 78px;
    }

    .docs-mobile-tools {
        position: sticky;
        top: var(--header-h);
        z-index: 84;
        display: grid;
        grid-template-columns: 1fr 1fr;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        background: rgba(6, 9, 19, .94);
        backdrop-filter: blur(16px);
    }

    .docs-mobile-tools button {
        display: flex;
        justify-content: center;
        gap: 8px;
        padding: 11px 14px;
        border: 0;
        color: var(--ink-faint);
        background: transparent;
        font: 12px/1.2 var(--font-body);
        cursor: pointer;
    }

    .docs-mobile-tools button + button {
        border-left: 1px solid var(--line);
    }

    .docs-mobile-tools button b {
        color: var(--ink);
        font-weight: 600;
    }

    .chapter-aside,
    .capsule-article-page .article-aside {
        position: fixed;
        top: var(--header-h);
        bottom: 0;
        z-index: 99;
        display: block;
        width: min(84vw, 320px);
        max-height: none;
        padding: 24px 20px;
        overflow-y: auto;
        border: 0;
        border-radius: 0;
        background: rgba(7, 11, 24, .985);
        box-shadow: 20px 0 48px rgba(0, 0, 0, .45);
        transition: transform .28s ease;
    }

    .chapter-aside {
        left: 0;
        transform: translateX(-105%);
    }

    .capsule-article-page .article-aside {
        right: 0;
        transform: translateX(105%);
        box-shadow: -20px 0 48px rgba(0, 0, 0, .45);
    }

    .chapter-aside .capsule-home { display: block; }

    .chapter-panel-open .chapter-aside,
    .toc-panel-open .article-aside {
        transform: translateX(0);
    }

    .chapter-panel-open,
    .toc-panel-open {
        overflow: hidden;
    }

    .chapter-panel-open .docs-backdrop,
    .toc-panel-open .docs-backdrop {
        position: fixed;
        inset: var(--header-h) 0 0;
        z-index: 94;
        display: block;
        width: auto;
        border: 0;
        background: rgba(0, 0, 0, .58);
    }

    .chapter-panel-open .docs-backdrop {
        left: min(84vw, 320px);
    }

    .toc-panel-open .docs-backdrop {
        right: min(84vw, 320px);
    }
}

/* ---------- 可选主题适配（深空默认主题不进入这些覆盖） ---------- */
html[data-theme] {
    --capsule-violet: var(--accent-2);
    --capsule-blue: var(--accent);
    --capsule-green: var(--accent-3);
    --capsule-panel: var(--theme-soft);
    --capsule-soft: var(--theme-accent-soft);
}

html[data-theme] .capsule-hero {
    background:
        linear-gradient(180deg, transparent, var(--bg-deep)),
        radial-gradient(circle at 72% 40%, var(--theme-glow-2), transparent 30%),
        radial-gradient(circle at 18% 30%, var(--theme-glow-1), transparent 32%);
}
html[data-theme] .capsule-hero::before,
html[data-theme] .capsule-hero::after { border-color: var(--theme-accent-line); }
html[data-theme] .capsule-title .outline { -webkit-text-stroke-color: var(--ink-dim); }
html[data-theme] .hero-facts,
html[data-theme] .article-aside,
html[data-theme] .flow-step,
html[data-theme] .data-table,
html[data-theme] .verdict { background: var(--theme-soft); }
html[data-theme] .capsule-bar,
html[data-theme] .docs-mobile-tools { background: var(--theme-header); }
html[data-theme] .capsule-nav a:hover,
html[data-theme] .capsule-nav a.active,
html[data-theme] .article-aside a:hover,
html[data-theme] .article-aside a.active { background: var(--theme-accent-soft); }
html[data-theme] .article-main code,
html[data-theme] .inline-code { color: var(--accent); background: var(--theme-accent-soft); border-color: var(--theme-accent-line); }
html[data-theme] .article-main pre { color: var(--theme-code-ink); background: var(--theme-code); }
html[data-theme] .chapter-intro,
html[data-theme] .formula,
html[data-theme] .next-chapter,
html[data-theme] .stack-layer { background: linear-gradient(110deg, var(--theme-glow-2), var(--theme-glow-1)); }
html[data-theme] .chapter-card:hover { border-color: var(--theme-accent-line); box-shadow: var(--theme-shadow); }

@media (max-width: 820px) {
    html[data-theme] .chapter-aside,
    html[data-theme] .capsule-article-page .article-aside {
        background: var(--theme-solid);
        box-shadow: var(--theme-shadow);
    }
}