:root{--site-bg:#f6f8fc;--site-panel:#fff;--site-text:#172033;--site-muted:#647089;--site-line:#dfe5ef;--site-accent:#315efb;--site-accent2:#2347c9;--site-max:1180px;--site-radius:18px;--site-shadow:0 14px 38px rgba(22,34,62,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--site-bg);color:var(--site-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:inherit}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);border-bottom:1px solid var(--site-line);backdrop-filter:blur(14px)}.site-header-inner{max-width:var(--site-max);margin:auto;padding:14px 22px;display:flex;align-items:center;gap:28px}.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:850;font-size:20px;white-space:nowrap}.site-logo-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--site-accent);color:#fff;box-shadow:0 8px 18px rgba(49,94,251,.25)}.site-nav{margin-left:auto;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.site-nav a{text-decoration:none;padding:8px 11px;border-radius:10px;color:#44506a;font-size:14px;font-weight:650}.site-nav a:hover,.site-nav a:focus{background:#edf1ff;color:var(--site-accent)}.site-main{max-width:var(--site-max);margin:0 auto;padding:36px 22px 72px}.breadcrumb{font-size:14px;color:var(--site-muted);margin-bottom:18px}.breadcrumb a{color:var(--site-accent);text-decoration:none}.site-footer{border-top:1px solid var(--site-line);background:#fff}.site-footer-inner{max-width:var(--site-max);margin:auto;padding:28px 22px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;color:var(--site-muted);font-size:14px}.footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer-links a{text-decoration:none}.footer-links a:hover{color:var(--site-accent)}.seo-section{margin-top:28px;padding:28px;background:#fff;border:1px solid var(--site-line);border-radius:var(--site-radius);box-shadow:var(--site-shadow)}.seo-section h2{margin-top:0;line-height:1.25}.seo-section p:last-child{margin-bottom:0}.related-tools{margin-top:30px}.related-tools h2{font-size:26px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.related-card{display:block;padding:18px;border:1px solid var(--site-line);border-radius:14px;background:#fff;text-decoration:none;box-shadow:0 8px 22px rgba(22,34,62,.05);transition:.18s ease}.related-card:hover{transform:translateY(-2px);border-color:#b9c6ff}.related-card strong{display:block;margin-bottom:5px}.related-card span{font-size:14px;color:var(--site-muted)}.site-note{margin:22px 0;padding:16px 18px;border-radius:14px;background:#edf6ff;border:1px solid #cce4ff;color:#24456b}.noscript{padding:16px;background:#fff1f1;border:1px solid #ffcaca;border-radius:12px}.legal{max-width:850px;margin:auto;background:#fff;padding:34px;border:1px solid var(--site-line);border-radius:var(--site-radius)}
@media(max-width:850px){.site-header-inner{align-items:flex-start}.site-nav{display:none}.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.site-main{padding:22px 14px 50px}.related-grid{grid-template-columns:1fr}.site-footer-inner{display:block}.footer-links{margin-top:12px}.seo-section{padding:21px}.site-logo{font-size:18px}}