.single-wrap{max-width:var(--container)}.single-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.single-main{min-width:0}.single-aside{position:sticky;top:calc(var(--header-h) + 20px);max-height:calc(100vh - var(--header-h) - 40px);overflow-y:auto}.toc-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:22px 24px}.toc-title{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--ink);margin:0 0 14px;display:flex;align-items:center;gap:8px}.toc-title svg{width:18px;height:18px;color:var(--purple)}.toc-list{list-style:none}.toc-item{margin-bottom:2px}.toc-item a{display:block;color:var(--text-soft);font-size:.92rem;line-height:1.45;padding:7px 10px;border-left:3px solid transparent;border-radius:6px;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}.toc-item a.is-active,.toc-item a:hover{color:var(--purple);background:var(--purple-bg);border-color:var(--purple)}.toc-item a.is-active{font-weight:600}.toc-l3{padding-left:18px}.toc-l3 a{font-size:.88rem}.single-content h2,.single-content h3{scroll-margin-top:calc(var(--header-h) + 24px)}article[dir=ltr] .single-content ol,article[dir=ltr] .single-content ul{padding-left:1.4em;padding-right:0}article[dir=rtl] .single-content ol,article[dir=rtl] .single-content ul{padding-right:1.4em;padding-left:0}article[dir=ltr] .single-content blockquote{border-left:4px solid var(--orange);border-right:0;border-radius:0 var(--radius-sm) var(--radius-sm)0}article[dir=rtl] .single-content blockquote{border-right:4px solid var(--orange);border-left:0;border-radius:var(--radius-sm)0 0 var(--radius-sm)}article[dir=ltr] .post-hero,article[dir=ltr] .single-content td,article[dir=ltr] .single-content th{text-align:left}article[dir=ltr] .post-nav-link.next,article[dir=rtl] .post-hero,article[dir=rtl] .single-content td,article[dir=rtl] .single-content th{text-align:right}article[dir=ltr] .post-nav-link,article[dir=rtl] .post-nav-link.next{text-align:left}article[dir=ltr] .post-nav-link:not(.next) .pn-label svg{transform:rotate(180deg)}article[dir=ltr] .post-nav-link.next .pn-label svg{transform:rotate(0deg)}article[dir=rtl] .post-nav-link{text-align:right}article[dir=rtl] .post-nav-link:not(.next) .pn-label svg{transform:rotate(0deg)}article[dir=rtl] .post-nav-link.next .pn-label svg{transform:rotate(180deg)}article[dir=rtl] .toc-item a{border-left:0;border-right:3px solid transparent}article[dir=rtl] .toc-item a:hover{border-color:var(--purple)}article[dir=rtl] .toc-l3{padding-left:0;padding-right:18px}@media (max-width:980px){.single-grid{grid-template-columns:minmax(0,1fr);gap:24px}.single-aside{position:static;max-height:none;overflow:visible;order:-1}}