.ba-article{max-width:860px;margin:0 auto;padding:2rem 1.25rem;}
.ba-figure--compact img{border-radius:8px;width:100%;height:auto;}

/* 要点卡 */
.ba-prose .ba-takeaways {
    margin: 1.5em 0 1.75em;
    padding: 18px 20px 18px 22px;
    border-radius: 16px;
    background: rgba(235, 244, 255, 0.75);
    border: 1px solid rgba(26, 111, 255, 0.16);
    box-shadow: 0 2px 14px rgba(15, 27, 50, 0.05);
}
.ba-prose .ba-takeaways h3 {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #1a6fff;
}
.ba-prose .ba-takeaways ol { margin: 0; padding-left: 1.2em; }
.ba-prose .ba-takeaways li { font-size: 14.5px; line-height: 1.65; }

/* 文内目录 */
.ba-prose .ba-toc,
.ba-toc {
    margin: 0 0 1.35em;
    padding: 16px 18px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(26, 111, 255, 0.18);
    box-shadow: 0 2px 12px rgba(15, 27, 50, 0.04);
}
.ba-toc__title {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1a6fff;
}
.ba-prose .ba-toc ol,
.ba-toc ol {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 6px;
}
@media (min-width: 640px) {
    .ba-prose .ba-toc ol,
    .ba-toc ol {
        grid-template-columns: 1fr 1fr;
        gap: 6px 20px;
    }
}
.ba-toc a {
    display: block;
    font-size: 14px;
    line-height: 1.45;
    font-weight: 600;
    color: #243b5c;
    text-decoration: none;
    padding: 4px 0;
}
.ba-toc a:hover { color: #1a6fff; }
.ba-toc a:focus-visible {
    outline: 2px solid rgba(26, 111, 255, 0.45);
    outline-offset: 2px;
    border-radius: 4px;
}