:root{
  --shell-ink:var(--ink,var(--site-ink,#22282e));
  --shell-soft:var(--ink-soft,var(--muted,var(--site-soft,#5c666f)));
  --shell-faint:var(--ink-faint,var(--site-faint,#6b747d));
  --shell-paper:var(--paper,var(--site-paper,#f7f4ee));
  --shell-line:var(--line,var(--site-line,#e6e0d5));
  --shell-brand:var(--brand,var(--site-brand,#b4552d));
  --shell-brand-deep:var(--brand-deep,var(--site-brand-deep,#8f3f1e));
  --shell-brand-tint:var(--brand-tint,var(--site-brand-tint,#f6e6dc));
  --shell-footer-bg:var(--footer-bg,var(--site-footer-bg,#22282e));
  --shell-shadow:0 10px 30px rgba(34,40,46,.14);
}
body{min-height:100vh;display:flex;flex-direction:column}
body>main{flex:1 0 auto}
.page-title,.guide-copy>.article-title.page-title,.article h1.page-title{font-size:clamp(26px,4vw,36px);line-height:1.3;font-weight:700}
.site-shell-header{position:sticky;top:0;z-index:50;background:rgba(247,244,238,.92);border-bottom:1px solid var(--shell-line);backdrop-filter:blur(10px)}
.site-shell-nav{max-width:1260px;height:64px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:22px}
.site-shell-logo{display:flex;align-items:center;gap:10px;color:var(--shell-ink);font-weight:700;font-size:22px;line-height:1;letter-spacing:.04em;text-decoration:none}
.site-shell-logo small{font-size:14px;letter-spacing:.08em;color:var(--shell-faint);margin-left:4px}
.site-shell-logo-mark{width:34px;height:34px;border-radius:9px;background:var(--shell-brand);display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.18)}
.site-shell-links{display:flex;align-items:center;gap:2px;margin-left:6px}.site-shell-links>a,.site-shell-drop>summary{display:block;padding:8px 13px;border-radius:8px;color:var(--shell-soft);font-size:15px;font-weight:500;text-decoration:none;cursor:pointer;list-style:none;white-space:nowrap}.site-shell-drop>summary::-webkit-details-marker{display:none}.site-shell-links>a:hover,.site-shell-drop>summary:hover{background:#eee8dd;color:var(--shell-ink)}
.site-shell-drop{position:relative}.site-shell-menu{position:absolute;left:0;top:calc(100% + 8px);z-index:60;display:grid;min-width:190px;padding:6px;background:#fff;border:1px solid var(--shell-line);border-radius:10px;box-shadow:var(--shell-shadow)}.site-shell-menu a{padding:9px 10px;border-radius:7px;color:var(--shell-soft);font-size:14px;text-decoration:none;white-space:nowrap}.site-shell-menu a:hover{background:var(--shell-brand-tint);color:var(--shell-brand-deep)}
.site-shell-right{margin-left:auto}.site-shell-cta{display:inline-flex;align-items:center;border-radius:11px;padding:9px 16px;background:var(--shell-brand);color:#fff;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}.site-shell-cta:hover{background:var(--shell-brand-deep);color:#fff}
.site-shell-mobile{display:none;position:relative;margin-left:auto}.site-shell-mobile>summary{padding:8px 12px;border:1px solid var(--shell-line);border-radius:9px;background:#fff;color:var(--shell-ink);font-size:14px;font-weight:700;list-style:none;cursor:pointer}.site-shell-mobile>summary::-webkit-details-marker{display:none}.site-shell-mobile-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:70;display:grid;min-width:250px;max-height:calc(100vh - 82px);overflow:auto;padding:8px;background:#fff;border:1px solid var(--shell-line);border-radius:12px;box-shadow:var(--shell-shadow)}.site-shell-mobile-group{display:grid;margin:4px 0;padding:6px 0;border-top:1px solid var(--shell-line)}.site-shell-mobile-group span{padding:4px 10px;color:var(--shell-faint);font-size:12px;font-weight:800;letter-spacing:.08em}.site-shell-mobile-menu a{padding:10px;border-radius:8px;color:var(--shell-soft);font-size:14px;text-decoration:none}.site-shell-mobile-group a{padding-left:26px}.site-shell-mobile-menu a:hover{background:var(--shell-brand-tint);color:var(--shell-brand-deep)}
.site-shell-footer{flex:none;margin-top:60px;padding:54px 24px 30px;background:var(--shell-footer-bg);border-top:1px solid rgba(255,255,255,.12);color:#aeb6bd;font-size:14px;text-align:left}.site-shell-footer-inner{max-width:1120px;margin:auto}.site-shell-footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:42px}.site-shell-footer a.site-shell-footer-brand{display:block;margin-bottom:10px;padding:0;color:#fff;font-size:22px;font-weight:700;text-decoration:none}.site-shell-footer h3{margin:0 0 12px;color:#fff;font-size:14px}.site-shell-footer a{display:block;padding:4px 0;color:#aeb6bd;font-size:14px;text-decoration:none}.site-shell-footer a:hover{color:#fff}.site-shell-footer-copy{margin:34px 0 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:#aeb6bd;font-size:14px;line-height:1.75}
@media(max-width:1000px){.site-shell-links{display:none}.site-shell-mobile{display:block}.site-shell-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.site-shell-right{display:none}}
@media(max-width:600px){.site-shell-footer-grid{grid-template-columns:1fr 1fr;gap:28px}.site-shell-footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.site-shell-nav{gap:8px}.site-shell-logo{gap:7px;font-size:18px}.site-shell-logo small{display:none}.site-shell-logo-mark{width:30px;height:30px;font-size:15px}}