:root { --bg: #212529; --text: #f5f5f5; --muted: #cccccc; --link: #dee2e6; --line: #495057; }
/* Shared reading layout; each site supplies its existing palette. */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif; line-height: 1.8; }
a { color: var(--link); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; }
.skip-link { position: absolute; top: -100px; left: 16px; padding: 8px 12px; background: var(--bg); z-index: 2; }
.skip-link:focus { top: 8px; }
.blog-header, .blog-main, .blog-footer { width: calc(100% - 40px); max-width: 840px; margin-inline: auto; }
.blog-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand-link { display: inline-flex; align-items: center; color: var(--text); font-size: 22px; font-weight: 700; text-decoration: none; }
.brand-link img { display: block; width: auto; max-width: 160px; height: auto; max-height: 58px; }
.blog-nav { display: flex; gap: 20px; font-size: 15px; }
.blog-main { min-height: 380px; padding-block: 40px 56px; }
h1, h2, p, li { word-break: keep-all; overflow-wrap: anywhere; }
h1 { margin: 0 0 16px; font-size: clamp(25px, 4vw, 34px); line-height: 1.45; letter-spacing: -0.03em; }
.blog-intro, .post-description, .post-meta { color: var(--muted); }
.blog-intro { margin: 0; }
.post-list { margin: 32px 0 0; padding: 0; list-style: none; }
.post-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.post-meta { margin: 0 0 10px; font-size: 14px; }
.post-title { margin: 0 0 12px; font-size: 22px; line-height: 1.5; }
.post-title a { color: var(--text); text-decoration: none; }
.post-title a:hover { text-decoration: underline; }
.post-description { margin: 0; }
.article-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article-body { font-size: 17px; }
.article-body h2 { margin: 36px 0 14px; font-size: 23px; line-height: 1.5; }
.article-body p { margin: 0 0 20px; }
.article-back { margin: 40px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.blog-footer { padding-block: 22px 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.blog-footer p { margin: 0; }
@media (max-width: 480px) {
    .blog-header { padding-block: 20px; gap: 12px; }
    .brand-link { font-size: 20px; }
    .brand-link img { max-width: 140px; max-height: 50px; }
    .blog-nav { gap: 14px; font-size: 14px; }
    .blog-main { padding-block: 30px 40px; }
    .article-body { font-size: 16px; }
    .article-body h2, .post-title { font-size: 21px; }
}