.article-main { padding-top: 30px; }
.breadcrumb { display: flex; gap: 11px; align-items: center; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.article-header { max-width: 790px; padding: 28px 0 30px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--muted); font-size: 12px; }
.article-meta > span:first-child { color: var(--accent); font-weight: 600; }
.article-header h1 { margin: 15px 0 15px; font-size: clamp(1.55rem, 3.2vw, 2rem); line-height: 1.5; letter-spacing: -.04em; }
.article-lead { margin: 0; max-width: 710px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.article-layout { display: grid; grid-template-columns: minmax(0, 790px) 210px; align-items: start; gap: 42px; }
.article-body { min-width: 0; padding: 29px 34px 30px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; }
.article-body > :first-child { margin-top: 0; }
.article-body h2 { margin: 33px 0 13px; font-size: 1.18rem; line-height: 1.6; font-weight: 650; scroll-margin-top: 24px; }
.article-body h3 { margin: 25px 0 10px; font-size: 1.04rem; }
.article-body p { margin: 13px 0; }
.article-body ul, .article-body ol { padding-left: 23px; margin: 13px 0; }
.article-body li { margin: 6px 0; padding-left: 3px; }
.article-body strong { font-weight: 650; }
.article-body code { padding: 2px 5px; border-radius: 4px; background: #f0f3f6; font-family: Consolas, "SFMono-Regular", monospace; font-size: .88em; overflow-wrap: anywhere; }
.article-body pre { margin: 19px 0; padding: 18px 20px; overflow-x: auto; border-radius: 8px; background: #202b3c; color: #e5edf5; line-height: 1.65; }
.article-body pre code { padding: 0; background: transparent; color: inherit; overflow-wrap: normal; font-size: 13px; }
.note { margin: 20px 0; padding: 13px 18px; border-left: 3px solid #429a80; border-radius: 0 7px 7px 0; background: #f0f7f4; font-size: 14px; }
.note p { margin: 4px 0; }
.table-wrap { margin: 19px 0; max-width: 100%; overflow-x: auto; }
.article-body table { border-collapse: collapse; width: 100%; font-size: 13px; line-height: 1.8; }
.article-body th, .article-body td { padding: 11px 13px; border: 1px solid var(--line); text-align: left; vertical-align: top; min-width: 100px; }
.article-body th { background: #f5f7fa; font-weight: 600; }
.article-toc { position: sticky; top: 25px; padding: 17px 0 17px 20px; border-left: 1px solid var(--line); font-size: 13px; }
.article-toc > p { margin: 0 0 14px; font-size: 12px; color: var(--muted); }
.article-toc ol { margin: 0; padding: 0; list-style: none; }
.article-toc li { margin: 0 0 12px; line-height: 1.7; }
.article-toc a { color: var(--muted); text-decoration: none; }
.article-toc a:hover { color: var(--accent); }
.references { margin-top: 31px; padding-top: 2px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.references > p { font-size: 13px; color: var(--muted); }
.references ul { font-size: 13px; }
.article-back { margin-top: 26px; font-size: 14px; }
.article-back a { text-decoration: none; }
@media (max-width: 940px) {
    .article-layout { display: flex; flex-direction: column; gap: 19px; }
    .article-toc { order: -1; position: static; width: 100%; padding: 17px 20px; border: 1px solid var(--line); border-radius: 9px; }
    .article-toc ol { display: flex; flex-wrap: wrap; gap: 8px 20px; }
    .article-toc li { margin-bottom: 0; }
    .article-body { width: 100%; }
}
@media (max-width: 640px) {
    .article-main { padding-top: 24px; }
    .article-header { padding: 24px 0; }
    .article-lead { font-size: 14px; }
    .article-body { padding: 22px 19px; font-size: 14px; }
    .article-body h2 { font-size: 1.08rem; }
    .article-body pre { padding: 15px; }
    .article-meta { gap: 8px 13px; font-size: 11px; }
}