/* Shared foundations for the static editorial site. */
:root {
  color-scheme: light;
  --bg: #fafbf9;
  --card: #fff;
  --ink: #23362e;
  --ink-2: #43534a;
  --muted: #657269;
  --faint: #657269;
  --green: #206345;
  --orange: #206345;
  --violet: #206345;
  --blue: #206345;
  --soft: #eef3ed;
  --line: #e1e7e0;
  --line-2: #edf0eb;
  --maxw: 1160px;
  --radius: 8px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--green); }
button, input { font: inherit; }
button { cursor: pointer; }
button, a, input, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.45; font-weight: 650; }
h1 { font-size: 36px; letter-spacing: -.8px; margin: 0 0 16px; }
h2 { font-size: 23px; margin: 0 0 16px; }
h3 { font-size: 18px; margin: 24px 0 10px; }
p { margin: 0 0 16px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.muted, .sample { color: var(--muted); }
.sample { font-size: 13px; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 18px; border: 1px solid var(--green); border-radius: 6px; color: var(--green); background: transparent; font-size: 14px; font-weight: 550; }
.btn:hover { background: var(--soft); }
.text-link, .intro-links a, .claim-links a { color: var(--green); font-size: 14px; }
.skip-link { position: fixed; top: -90px; left: 20px; z-index: 100; background: #fff; padding: 12px 20px; border: 1px solid var(--green); }
.skip-link:focus { top: 12px; }
.crumb { display: block; font-size: 13px; color: var(--muted); margin: 0 0 24px; }
.crumb a:hover { text-decoration: underline; }
.tag { display: inline-block; background: var(--soft); color: var(--green); border-radius: 4px; padding: 2px 8px; font-size: 12px; }
.post-meta { display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin: 20px 0; }
.post-meta .tag { font-size: 12px; }
.author-avatar { position: relative; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 28px; width: 28px; height: 28px; overflow: hidden; border-radius: 50%; background: var(--soft); color: var(--green); font-size: 12px; }
.author-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.author-line, .case-author { display: inline-flex; align-items: center; gap: 7px; }
.content { font-size: 16px; line-height: 1.95; color: var(--ink-2); overflow-wrap: anywhere; }
.content p { margin: 16px 0; }
.content h2 { font-size: 23px; margin: 38px 0 16px; scroll-margin-top: 120px; }
.content h3 { font-size: 18px; margin: 28px 0 12px; }
.content a, .reading-guide a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.content strong { color: var(--ink); }
.content ul, .content ol { padding-left: 24px; }
.content li { margin: 10px 0; }
.content img { display: block; margin: 24px auto; border-radius: 6px; }
.content blockquote { margin: 24px 0; padding: 8px 20px; border-left: 3px solid #b9cbbb; color: var(--muted); }
.content blockquote p { margin: 8px 0; }
.content code { padding: 2px 5px; border-radius: 4px; background: var(--soft); color: var(--green); font-family: "SF Mono", Menlo, Consolas, monospace; font-size: .86em; }
.content pre { padding: 18px 20px; background: #24342d; color: #f2f5f1; border-radius: 6px; overflow: auto; }
.content pre code { background: none; padding: 0; color: inherit; }
.content table, .reading-guide table { display: block; width: 100%; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.content th, .content td, .reading-guide th, .reading-guide td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; min-width: 110px; }
.content th, .reading-guide th { color: var(--ink); background: var(--soft); font-weight: 600; }
.block-sec { margin: 36px 0; }
.block-sec > h2 { margin-top: 0; }
.stat-grid { display: flex; flex-wrap: wrap; gap: 20px; margin: 24px 0; }
.stat-cell .sn { display: block; font-size: 24px; color: var(--ink); font-weight: 600; }
.stat-cell .sl, .stat-note { font-size: 13px; color: var(--muted); }
.faq-block { margin-top: 44px; }
.faq-note { font-size: 13px; color: var(--muted); }
.faq-item { padding: 18px 0; border-bottom: 1px solid var(--line); }
.faq-item .q { font-weight: 600; color: var(--ink); margin: 0 0 8px; }
.faq-item .a { color: var(--ink-2); font-size: 15px; margin: 0; }
.related { margin: 40px 0 0; }
.related .rlist { display: grid; }
.related a { padding: 18px 0; border-bottom: 1px solid var(--line); }
.related a h3 { margin: 0; display: block; font-size: 16px; font-weight: 550; line-height: 1.65; }
.related a span { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; }
.article-return, .case-return { display: block; margin: 32px 0 0; font-size: 14px; color: var(--muted); }
.empty { padding: 36px 0; color: var(--muted); text-align: center; font-size: 14px; }
.empty button { display: block; margin: 12px auto; border: 0; background: none; color: var(--green); }
summary { cursor: pointer; }
@media (max-width: 768px) {
  .wrap { padding: 0 20px; }
  h1 { font-size: 28px; letter-spacing: -.5px; }
  h2, .content h2 { font-size: 21px; }
  .content { font-size: 16px; }
  .content th, .content td, .reading-guide th, .reading-guide td { padding: 12px 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }