:root {
  --jon-accent: #163b56;
  --jon-text: #1e252b;
  --jon-muted: #66727b;
  --jon-line: #e5e9ec;
  --jon-bg: #f6f8f9;
  --jon-card: #fff;
  --jon-radius: 16px;
  --jon-grid-columns: 3;
  --jon-shadow: 0 14px 38px rgba(22, 39, 53, .08);
}

.jon-modern-main { color: var(--jon-text); background: #fff; }
.jon-modern-main *, .jon-modern-main *::before, .jon-modern-main *::after { box-sizing: border-box; }
.jon-shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.jon-shell--article { width: min(860px, calc(100% - 48px)); }
.jon-eyebrow { margin: 0 0 12px; color: var(--jon-accent); font-size: 12px; font-weight: 700; letter-spacing: .18em; }

.jon-archive-hero { padding: 76px 0 54px; background: linear-gradient(180deg, #f5f8fa 0%, #fff 100%); border-bottom: 1px solid var(--jon-line); }
.jon-archive-hero h1 { margin: 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.2; letter-spacing: -.02em; font-weight: 700; }
.jon-archive-description { margin: 20px 0 0; max-width: 760px; color: var(--jon-muted); line-height: 1.9; font-size: 16px; }
.jon-archive-description p { margin: 0; }
.jon-archive-content { padding: 38px 0 90px; }

.jon-category-nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 34px; padding: 0 0 20px; border-bottom: 1px solid var(--jon-line); }
.jon-category-nav a { display: inline-flex; align-items: center; min-height: 38px; padding: 8px 14px; color: #44515a; text-decoration: none; border: 1px solid var(--jon-line); border-radius: 999px; background: #fff; font-size: 13px; transition: .2s ease; }
.jon-category-nav a:hover, .jon-category-nav a.is-current { color: #fff; border-color: var(--jon-accent); background: var(--jon-accent); transform: translateY(-1px); }

.jon-post-grid { display: grid; grid-template-columns: repeat(var(--jon-grid-columns), minmax(0, 1fr)); gap: 26px; }
.jon-card { min-width: 0; overflow: hidden; border: 1px solid var(--jon-line); border-radius: var(--jon-radius); background: var(--jon-card); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.jon-card:hover { transform: translateY(-4px); border-color: rgba(22,59,86,.25); box-shadow: var(--jon-shadow); }
.jon-card__media { display: block; aspect-ratio: 16/10; overflow: hidden; background: #edf1f3; }
.jon-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.jon-card:hover .jon-card__media img { transform: scale(1.035); }
.jon-card__placeholder { display: grid; width: 100%; height: 100%; place-items: center; background: linear-gradient(135deg, #eef3f6, #dde6eb); color: var(--jon-accent); }
.jon-card__placeholder span { font-size: 28px; font-weight: 700; letter-spacing: .16em; opacity: .62; }
.jon-card__body { padding: 20px 20px 22px; }
.jon-card__meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: #859099; font-size: 12px; }
.jon-card__category { color: var(--jon-accent); text-decoration: none; font-weight: 700; }
.jon-card__title { margin: 0; font-size: 19px; line-height: 1.55; font-weight: 700; }
.jon-card__title a { color: var(--jon-text); text-decoration: none; }
.jon-card__excerpt { margin: 13px 0 0; color: var(--jon-muted); font-size: 13.5px; line-height: 1.85; }
.jon-card__more { display: inline-flex; gap: 8px; align-items: center; margin-top: 18px; color: var(--jon-accent); font-size: 13px; font-weight: 700; text-decoration: none; }
.jon-card__more span { transition: transform .2s ease; }
.jon-card:hover .jon-card__more span { transform: translateX(4px); }

.jon-reveal { opacity: 1; transform: none; }
.jon-modern-animation-enabled .jon-reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease var(--jon-delay, 0ms), transform .55s ease var(--jon-delay, 0ms); }
.jon-modern-animation-enabled .jon-reveal.is-visible { opacity: 1; transform: translateY(0); }

.jon-pagination { margin-top: 54px; }
.jon-pagination .nav-links { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.jon-pagination .page-numbers { display: inline-grid; min-width: 42px; height: 42px; padding: 0 12px; place-items: center; color: #44515a; text-decoration: none; border: 1px solid var(--jon-line); border-radius: 8px; background: #fff; }
.jon-pagination .page-numbers.current, .jon-pagination a.page-numbers:hover { color: #fff; border-color: var(--jon-accent); background: var(--jon-accent); }
.jon-empty { padding: 48px; border: 1px solid var(--jon-line); border-radius: var(--jon-radius); background: var(--jon-bg); text-align: center; }

.jon-article-header { padding: 46px 0 30px; background: linear-gradient(180deg, #f7f9fa 0%, #fff 100%); }
.jon-breadcrumb { display: flex; align-items: center; gap: 8px; overflow: hidden; margin-bottom: 30px; color: #89939a; font-size: 12px; white-space: nowrap; }
.jon-breadcrumb a { color: #66727b; text-decoration: none; }
.jon-breadcrumb > span:last-child { overflow: hidden; text-overflow: ellipsis; }
.jon-article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; color: #8a949b; font-size: 13px; }
.jon-article-category { display: inline-flex; padding: 5px 10px; border-radius: 999px; color: #fff; background: var(--jon-accent); text-decoration: none; font-size: 12px; font-weight: 700; }
.jon-article-header h1 { margin: 0; font-size: clamp(30px, 4.8vw, 48px); line-height: 1.38; letter-spacing: -.025em; font-weight: 700; }
.jon-article-lead { margin: 22px 0 0; color: var(--jon-muted); font-size: 16px; line-height: 1.95; }
.jon-article-visual { margin-top: 10px; margin-bottom: 34px; }
.jon-article-visual img { display: block; width: 100%; height: auto; max-height: 620px; object-fit: cover; border-radius: 18px; }

.jon-toc { margin: 26px 0 42px; padding: 22px 26px; border: 1px solid var(--jon-line); border-radius: 14px; background: #f8fafb; }
.jon-toc__head { margin-bottom: 12px; color: var(--jon-text); font-size: 15px; font-weight: 700; }
.jon-toc ol { margin: 0; padding-left: 1.3em; }
.jon-toc li { margin: 7px 0; color: #66727b; font-size: 13px; line-height: 1.6; }
.jon-toc li.is-h3 { margin-left: 14px; font-size: 12.5px; }
.jon-toc a { color: inherit; text-decoration: none; }
.jon-toc a:hover { color: var(--jon-accent); text-decoration: underline; text-underline-offset: 3px; }

.jon-article-content { color: #2b3338; font-size: 16px; line-height: 2; }
.jon-article-content > *:first-child { margin-top: 0; }
.jon-article-content h2 { scroll-margin-top: 90px; margin: 58px 0 24px; padding: 0 0 14px; border-bottom: 2px solid var(--jon-accent); font-size: 28px; line-height: 1.5; }
.jon-article-content h3 { scroll-margin-top: 90px; margin: 42px 0 18px; padding-left: 14px; border-left: 4px solid var(--jon-accent); font-size: 22px; line-height: 1.55; }
.jon-article-content p { margin: 0 0 1.55em; }
.jon-article-content img { max-width: 100%; height: auto; border-radius: 10px; }
.jon-article-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; }
.jon-article-content th, .jon-article-content td { padding: 12px 14px; border: 1px solid #dfe4e7; }
.jon-article-content th { background: #f5f7f8; }
.jon-article-content blockquote { margin: 30px 0; padding: 18px 22px; border-left: 4px solid var(--jon-accent); background: #f7f9fa; }

.jon-post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 58px 0 30px; padding-top: 26px; border-top: 1px solid var(--jon-line); }
.jon-post-nav > div:last-child { text-align: right; }
.jon-post-nav a { color: var(--jon-accent); text-decoration: none; font-size: 13px; line-height: 1.6; }
.jon-related { margin-top: 64px; padding: 64px 0 90px; background: var(--jon-bg); }
.jon-section-head { margin-bottom: 28px; }
.jon-section-head h2 { margin: 0; font-size: 30px; }

@media (max-width: 980px) {
  .jon-post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .jon-shell, .jon-shell--article { width: min(100% - 30px, 1180px); }
  .jon-archive-hero { padding: 48px 0 34px; }
  .jon-archive-content { padding-top: 24px; }
  .jon-post-grid { grid-template-columns: 1fr; gap: 18px; }
  .jon-category-nav { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 14px; scrollbar-width: none; }
  .jon-category-nav::-webkit-scrollbar { display: none; }
  .jon-category-nav a { flex: 0 0 auto; }
  .jon-card__body { padding: 17px 17px 19px; }
  .jon-card__title { font-size: 18px; }
  .jon-article-header { padding-top: 24px; }
  .jon-breadcrumb { margin-bottom: 20px; }
  .jon-article-header h1 { font-size: 30px; }
  .jon-article-visual { margin-top: 0; }
  .jon-article-visual img { border-radius: 12px; }
  .jon-toc { padding: 18px; }
  .jon-article-content { font-size: 15.5px; line-height: 1.95; }
  .jon-article-content h2 { margin-top: 46px; font-size: 24px; }
  .jon-article-content h3 { margin-top: 34px; font-size: 20px; }
  .jon-post-nav { grid-template-columns: 1fr; }
  .jon-post-nav > div:last-child { text-align: left; }
  .jon-related { padding: 50px 0 64px; }
}

@media (prefers-reduced-motion: reduce) {
  .jon-modern-main *, .jon-modern-main *::before, .jon-modern-main *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .jon-modern-animation-enabled .jon-reveal { opacity: 1; transform: none; }
}