.article-list-hero { padding: 52px 0 58px; background: linear-gradient(135deg, var(--blue-50), var(--white)); border-bottom: 1px solid var(--line); }
.article-list-hero h1 { margin-bottom: 15px; font-size: clamp(2rem, 4vw, 3.1rem); }
.article-list-hero > .container > p:last-child { max-width: 790px; margin-bottom: 0; color: var(--muted); }
.article-list-container { max-width: 920px; }
.tag-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tag-filter-item { padding: 7px 13px; color: var(--blue-900); background: var(--white); border: 1px solid #adc1d4; border-radius: 999px; font-size: .78rem; }
.tag-filter-item.is-active { color: var(--white); background: var(--blue-700); border-color: var(--blue-700); }
.tag-filter-note { color: var(--muted); font-size: .78rem; }
.tag-filter-note a { margin-left: 6px; color: var(--blue-700); text-decoration: underline; }
.article-list { display: grid; gap: 18px; }
.article-card { display: block; padding: 28px 30px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .2s, border .2s, box-shadow .2s; }
.article-card:hover { transform: translateY(-2px); border-color: #9fb9d3; box-shadow: var(--shadow); }
.article-card h2 { margin: 7px 0 9px; font-size: 1.25rem; }
.article-card > p { color: var(--muted); font-size: .86rem; }
.article-category { display: inline-block; padding: 4px 9px; color: var(--blue-700); background: var(--blue-100); border-radius: 4px; font-size: .68rem; font-weight: 700; }
.article-card-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .7rem; }
.article-card-meta span { padding: 2px 7px; background: var(--blue-50); border-radius: 999px; }
.article-empty { padding: 62px 30px; text-align: center; background: var(--blue-50); border: 1px solid var(--line); border-radius: var(--radius); }
.article-empty > span { width: 58px; height: 58px; margin: 0 auto 20px; display: grid; place-items: center; color: var(--blue-700); background: var(--white); border-radius: 50%; }
.article-empty > span .icon { width: 30px; height: 30px; }
.article-empty h1, .article-empty h2 { font-size: 1.4rem; }
.article-empty p { max-width: 620px; margin-inline: auto; color: var(--muted); }
.article-empty .button-row { justify-content: center; }
.article-empty-page { width: min(700px, calc(100% - 40px)); min-height: 56vh; margin: 70px auto; display: flex; flex-direction: column; justify-content: center; }
.pagination { margin-top: 30px; display: flex; align-items: center; justify-content: center; gap: 18px; }
.pagination a { padding: 8px 13px; color: var(--blue-700); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.pagination span { color: var(--muted); font-size: .78rem; }

.article-page { padding: 52px 0 88px; background: linear-gradient(180deg, var(--blue-50) 0, var(--white) 260px); }
.article-container { width: min(840px, calc(100% - 48px)); margin-inline: auto; }
.article-header { margin: 32px 0 36px; padding: 34px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(18,55,91,.04); }
.article-title { margin-bottom: 17px; font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.42; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--muted); font-size: .76rem; }
.article-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.article-tag { display: inline-block; padding: 3px 8px; color: var(--muted); background: var(--blue-50); border-radius: 999px; }
.article-tag--cat { color: var(--blue-700); background: var(--blue-100); font-weight: 700; }
.md-link { display: inline-flex; align-items: center; gap: 4px; color: var(--blue-700); }
.md-link svg { width: 14px; height: 14px; }
.article-body { padding: 42px 46px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); font-size: 1rem; line-height: 1.85; overflow-wrap: anywhere; }
.article-body h2 { margin: 52px 0 14px; padding: 0 0 10px; color: var(--blue-900); font-size: 1.55rem; border-bottom: 2px solid var(--blue-100); scroll-margin-top: 100px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { margin: 34px 0 10px; color: var(--ink); font-size: 1.18rem; scroll-margin-top: 100px; }
.article-body p { margin: 0 0 1.2em; color: #344b62; }
.article-body ul, .article-body ol { margin: 0 0 1.25em; padding-left: 1.5em; }
.article-body li { margin: .38em 0; }
.article-body a { color: var(--blue-700); text-decoration: underline; }
.article-body blockquote { margin: 22px 0; padding: 17px 20px; color: var(--muted); background: var(--blue-50); border-left: 4px solid var(--blue-700); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.article-body img { max-width: 100%; height: auto; margin: 18px 0; border-radius: var(--radius-sm); }
.article-body code { padding: .1em .35em; background: var(--blue-50); border: 1px solid var(--line); border-radius: 4px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .87em; }
.article-body pre { padding: 18px 20px; overflow-x: auto; color: #e7edf4; background: #122238; border-radius: var(--radius-sm); }
.article-body pre code { padding: 0; color: inherit; background: none; border: 0; }
.article-body .table-wrap { margin: 22px 0; overflow-x: auto; }
.article-body table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .86rem; }
.article-body th, .article-body td { padding: 10px 12px; text-align: left; vertical-align: top; border: 1px solid var(--line); }
.article-body th { color: var(--blue-900); background: var(--blue-100); }
.toc { margin: 26px 0; padding: 20px 23px; background: var(--blue-50); border-left: 4px solid var(--blue-700); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.toc-title { margin: 0 0 8px; color: var(--blue-900); font-size: .82rem; font-weight: 700; }
.toc ol { margin: 0; padding-left: 1.4em; }
.toc li { margin: 5px 0; }
.toc .toc-h3 { margin-left: 1em; font-size: .88rem; }
.article-cta { margin-top: 28px; padding: 28px 32px; background: var(--accent-soft); border: 1px solid #f0d8a5; border-radius: var(--radius); }
.article-cta h2 { margin-bottom: 8px; font-size: 1.3rem; }
.article-cta p:not(.eyebrow) { color: #5f543b; }
.related-tools { margin-top: 28px; padding: 25px; background: var(--blue-50); border-radius: var(--radius); }
.related-tools-title { margin-bottom: 12px; color: var(--blue-900); font-weight: 700; }
.related-tools-list { display: flex; flex-wrap: wrap; gap: 8px; }
.related-tool-link { display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px; color: var(--blue-700); background: var(--white); border: 1px solid var(--line); border-radius: 999px; font-size: .78rem; }
.article-nav { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.article-nav a { display: block; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.article-nav-label { display: block; color: var(--muted); font-size: .7rem; }
.article-nav-title { display: block; margin-top: 4px; color: var(--blue-900); font-size: .83rem; }
.article-nav .next { text-align: right; }
.article-nav .prev:empty, .article-nav .next:empty { visibility: hidden; }

@media (max-width: 640px) {
  .article-list-hero { padding: 30px 0 42px; }
  .article-list-hero h1 { font-size: 1.95rem; }
  .article-card { padding: 23px; }
  .article-page { padding: 34px 0 60px; }
  .article-container { width: calc(100% - 32px); }
  .article-header { margin: 24px 0; padding: 23px; }
  .article-title { font-size: 1.9rem; }
  .article-meta { align-items: start; }
  .article-tags { width: 100%; }
  .md-link { margin-left: 0 !important; }
  .article-body { padding: 28px 23px; }
  .article-body h2 { margin-top: 42px; font-size: 1.35rem; }
  .article-body h3 { font-size: 1.1rem; }
  .article-cta { padding: 24px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
}