.article-page { min-height: 100vh; }
.article-hero { padding: 5.5rem 1.5rem 3.5rem; border-bottom: 1px solid var(--ui-line); }
.article-hero-inner { max-width: 900px; margin: 0 auto; }
.article-tag { display: inline-flex; padding: 0.35rem 0.7rem; border: 1px solid var(--ui-line); border-radius: 999px; color: var(--ui-accent); font: 600 0.72rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.article-title { max-width: 850px; margin: 1.2rem 0 1rem; color: var(--ui-text); font-size: clamp(2.35rem, 6vw, 4.6rem); line-height: 1.08; letter-spacing: -0.05em; }
.article-lede { max-width: 720px; margin: 0; color: var(--ui-text-muted); font-size: 1.05rem; line-height: 1.7; }
.article-meta { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; margin-top: 1.5rem; color: var(--ui-text-muted); font: 500 0.75rem var(--font-mono); }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); justify-content: center; gap: 3rem; padding: 4rem 1.5rem 6rem; }
.article-toc { position: sticky; top: 96px; align-self: start; min-width: 0; }
.article-toc-title { margin-bottom: 0.75rem; color: var(--ui-accent); font: 600 0.72rem var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.article-toc nav { display: grid; gap: 0.25rem; }
.article-toc a { position: relative; padding: 0.45rem 0.7rem 0.45rem 0.9rem; border-radius: 8px; color: var(--ui-text-muted); font-size: 0.84rem; }
.article-toc a:hover { background: rgba(221, 121, 80, 0.08); color: var(--ui-text); }
.article-toc a::before { content: ""; position: absolute; top: 50%; left: 0; width: 2px; height: 0; border-radius: 99px; background: var(--ui-primary); transform: translateY(-50%); transition: 0.18s; }
.article-toc a:hover::before { height: 16px; }
.article-body { min-width: 0; color: var(--ui-text-muted); font-size: 1rem; line-height: 1.8; }
.article-body > * + * { margin-top: 1.15rem; }
.article-body section { scroll-margin-top: 96px; margin-top: 3.5rem; }
.article-body section:first-child { margin-top: 0; }
.article-body h2 { margin: 0 0 1rem; color: var(--ui-text); font-size: 1.8rem; line-height: 1.3; letter-spacing: -0.03em; }
.article-body h3 { margin: 2rem 0 0.65rem; color: var(--ui-text-soft); font-size: 1.18rem; }
.article-body p { margin: 0.8rem 0; color: var(--ui-text-muted); }
.article-body strong { color: var(--ui-text-soft); }
.article-body ul, .article-body ol { display: grid; gap: 0.55rem; margin: 1rem 0; padding-left: 1.4rem; }
.article-body li::marker { color: var(--ui-primary); }
.article-note { padding: 1rem 1.1rem; border: 1px solid var(--ui-line); border-left: 3px solid var(--ui-primary); border-radius: 12px; background: var(--ui-panel); color: var(--ui-text-muted); }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; margin: 1.2rem 0; }
.article-card { padding: 1.1rem; border: 1px solid var(--ui-line); border-radius: 14px; background: var(--ui-panel); }
.article-card h3 { margin: 0 0 0.35rem; color: var(--ui-text); font-size: 1rem; }
.article-card p { margin: 0; font-size: 0.9rem; }
.article-table-wrap { max-width: 100%; overflow-x: auto; margin: 1.2rem 0; border: 1px solid var(--ui-line); border-radius: 14px; }
.article-table { width: 100%; min-width: 620px; border-collapse: collapse; background: var(--ui-panel); font-size: 0.9rem; }
.article-table th, .article-table td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--ui-line); text-align: left; vertical-align: top; }
.article-table th { background: var(--ui-panel-soft); color: var(--ui-text); font-weight: 600; }
.article-table td { color: var(--ui-text-muted); }
.article-table tr:last-child td { border-bottom: 0; }
.article-cta { margin-top: 3.5rem; padding: 1.5rem; border: 1px solid var(--ui-line-strong); border-radius: 16px; background: linear-gradient(135deg, rgba(221, 121, 80, 0.12), rgba(111, 159, 139, 0.06)); }
.article-cta h2 { margin: 0 0 0.4rem; font-size: 1.2rem; }
.article-cta p { margin: 0; }
@media (max-width: 860px) { .article-layout { grid-template-columns: minmax(0, 760px); padding-top: 2.5rem; }.article-toc { position: static; }.article-toc nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }.article-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .article-hero { padding: 4rem 1rem 2.75rem; }.article-layout { padding-right: 1rem; padding-left: 1rem; }.article-toc nav { grid-template-columns: 1fr 1fr; }.article-body h2 { font-size: 1.5rem; }.article-table { min-width: 560px; } }