:root {
  color-scheme: light;
  --ink: #142b3b;
  --muted: #536b7c;
  --blue: #1765a0;
  --line: #d9e4eb;
  --surface: #fff;
  --wash: #f3f7fa;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--wash); color: var(--ink); font-size: 17px; line-height: 1.72; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #0e4773; }
.article-header, .article-footer { width: min(1100px, calc(100% - 40px)); margin: 0 auto; }
.article-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; }
.article-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-size: 1rem; font-weight: 800; text-decoration: none; }
.article-brand img { width: 42px; height: 42px; object-fit: contain; }
.article-header nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: .92rem; font-weight: 700; }
.article-wrap { width: min(900px, calc(100% - 40px)); margin: 30px auto 72px; }
.article-breadcrumbs { margin-bottom: 20px; color: var(--muted); font-size: .84rem; }
.article-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.article-breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: #8a9aa6; }
.article-paper { padding: clamp(24px, 6vw, 68px); border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: 0 8px 28px #173c5410; }
.article-kicker { color: var(--blue); font-size: .78rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
h1, h2, h3 { color: #102b3f; line-height: 1.22; }
h1 { margin: 10px 0 18px; font-size: clamp(2.15rem, 5vw, 3.55rem); letter-spacing: -.035em; }
.article-deck { margin: 0 0 22px; color: #435c6d; font-size: 1.18rem; line-height: 1.6; }
.article-byline { display: flex; flex-wrap: wrap; gap: 12px 22px; padding: 14px 0 22px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
.article-summary { margin: 26px 0; padding: 18px 20px; border-left: 4px solid #3b8b60; border-radius: 0 8px 8px 0; background: #f2f8f4; }
.article-summary strong { display: block; margin-bottom: 5px; color: #235b3d; }
.article-summary p { margin: 0; }
.article-body h2 { margin: 38px 0 12px; font-size: 1.65rem; }
.article-body h3 { margin: 25px 0 8px; font-size: 1.15rem; }
.article-body p { margin: 0 0 16px; }
.article-body ul, .article-body ol { padding-left: 1.35rem; }
.article-body li { margin: 7px 0; }
.article-note { padding: 16px 18px; border: 1px solid #dce8f1; border-radius: 8px; background: #f6fafc; }
.article-table-wrap { overflow-x: auto; margin: 18px 0 24px; }
.article-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.article-table th, .article-table td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-table th { background: #f1f6f9; }
.article-related { margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); }
.article-related h2 { margin: 0 0 14px; font-size: 1.3rem; }
.article-related ul { display: grid; gap: 10px; margin: 0; padding-left: 1.2rem; }
.article-cta { margin-top: 34px; padding: 22px; border-radius: 10px; background: #eef5fa; }
.article-cta p { margin: 4px 0 0; }
.article-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding: 22px 0 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: .87rem; }
.article-list-intro { max-width: 760px; margin: 12px 0 32px; color: #435c6d; font-size: 1.16rem; }
.article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.article-list-card { display: flex; flex-direction: column; min-height: 260px; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: inherit; text-decoration: none; box-shadow: 0 4px 16px #173c5409; transition: transform .14s ease, box-shadow .14s ease; }
.article-list-card:hover, .article-list-card:focus-visible { transform: translateY(-2px); box-shadow: 0 10px 24px #173c5418; }
.article-list-card span { color: var(--blue); font-size: .76rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.article-list-card h2 { margin: 12px 0 8px; font-size: 1.38rem; }
.article-list-card p { margin: 0 0 18px; color: var(--muted); }
.article-list-card strong { margin-top: auto; }
.article-list-updated { color: var(--muted); font-size: .86rem; }
@media (max-width: 650px) {
  body { font-size: 16px; }
  .article-header, .article-footer { width: min(100% - 28px, 1100px); }
  .article-header { align-items: flex-start; flex-direction: column; gap: 12px; }
  .article-wrap { width: min(100% - 24px, 900px); margin-top: 16px; }
  .article-paper { padding: 24px 20px; }
  .article-list { grid-template-columns: 1fr; }
}