:root {
  --navy: #1f4e79; --accent: #2b88d8; --accent-dark: #1e6fb5; --ink: #1b2430; --muted: #5f6b7a; --line: #d9e0e7; --bg: #f4f6f8;
  font-family: 'Segoe UI', system-ui, -apple-system, Helvetica, Arial, sans-serif; color: var(--ink); background: #fff;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.55; }
a { color: var(--accent-dark); }
code { background: #eef2f6; padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
.site-header { display: flex; align-items: center; gap: 20px; padding: 10px 20px; border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
.site-header .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--navy); text-decoration: none; font-size: 17px; }
.site-header nav { display: flex; gap: 4px; margin-left: auto; }
.site-header nav a { text-decoration: none; color: var(--ink); padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.site-header nav a:hover, .site-header nav a[aria-current] { background: #eef2f6; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 9px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-weight: 600; text-decoration: none; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-lg { padding: 13px 22px; font-size: 17px; }
.site-main { max-width: 820px; margin: 0 auto; padding: 36px 20px 60px; }
h1 { font-size: 36px; line-height: 1.15; margin: 0 0 12px; color: var(--navy); }
h2 { font-size: 24px; margin: 34px 0 10px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 18px; }
.cta-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 0 0 24px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
ol, ul { padding-left: 24px; }
li { margin: 6px 0; }
blockquote { border-left: 4px solid var(--line); margin: 16px 0; padding: 4px 16px; color: var(--muted); }
.shot { margin: 8px 0 24px; }
.shot img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 6px 24px rgba(16,24,40,0.1); }
.shot figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }
.faq details { border-top: 1px solid var(--line); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; }
.related ul { columns: 2; }
.site-footer { border-top: 1px solid var(--line); padding: 22px 20px; text-align: center; color: var(--muted); font-size: 14px; display: flex; flex-direction: column; gap: 6px; }
@media (max-width: 720px) {
  h1 { font-size: 28px; }
  .site-header nav { display: none; }
  .related ul { columns: 1; }
}