:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: #17202a;
  background: #f5f7f8;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
a { color: #0b625b; }
a:hover { color: #084a44; }
a:focus-visible { outline: 3px solid #b7791f; outline-offset: 3px; }

.site-header {
  background: #fff;
  border-bottom: 1px solid #e0e6ec;
}
.site-header-inner, .site-footer-inner {
  width: min(100% - 40px, 1080px);
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.site-header-inner { min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #17202a; font-size: 1.25rem; font-weight: 800; text-decoration: none; }
.brand img { width: 36px; height: 36px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: .92rem; font-weight: 700; }

.guide { width: min(100% - 40px, 900px); margin: 0 auto; padding: 32px 0 70px; }
.breadcrumb { margin: 0 0 24px; color: #667085; font-size: .9rem; }
.eyebrow { margin: 0 0 8px; color: #0f766e; font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1 { max-width: 850px; margin: 0; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.13; letter-spacing: -.035em; }
.lead { max-width: 740px; margin: 18px 0 0; font-size: 1.1rem; color: #4d5967; }
.hero { padding: 28px; border: 1px solid #d9e9e5; border-radius: 14px; background: linear-gradient(135deg, #fff, #eaf6f2); }
.button { display: inline-block; margin-top: 22px; padding: 11px 18px; border-radius: 8px; background: #0f766e; color: #fff; font-weight: 700; text-decoration: none; }
.button:hover { background: #0b625b; color: #fff; }
.guide-section { margin-top: 34px; padding: 26px 28px; border: 1px solid #e0e6ec; border-radius: 12px; background: #fff; }
.guide-section h2 { margin: 0 0 12px; font-size: 1.4rem; line-height: 1.3; }
.guide-section p { margin: 10px 0 0; }
.guide-section ul, .guide-section ol { margin: 10px 0 0; padding-left: 24px; }
.guide-section li + li { margin-top: 8px; }
.related { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.note { color: #4d5967; }
.site-footer { border-top: 1px solid #e0e6ec; background: #fff; }
.site-footer-inner { min-height: 76px; font-size: .9rem; color: #667085; }

@media (max-width: 600px) {
  .site-header-inner, .site-footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding: 14px 0; }
  .guide { padding-top: 20px; }
  .hero, .guide-section { padding: 20px; }
}