:root{color-scheme:light dark;--bg:#FFFFFF;--bg-subtle:#F4F6F9;--surface:#FFFFFF;--border:#DDE2EA;--text:#1A1F29;--text-2:#3B4352;--muted:#5A6474;--accent:#1F4E8C;--accent-hover:#163A69;--accent-tint:#E8EEF7;--on-accent:#FFFFFF;--warning:#B4561A;--warning-tint:#FBEFE6;--font:Inter,"Segoe UI",system-ui,-apple-system,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#11161F;--bg-subtle:#0B0F16;--surface:#171D28;--border:#2A3242;--text:#E6EAF0;--text-2:#C3CAD6;--muted:#98A2B3;--accent:#6E9BD8;--accent-hover:#8DB2E4;--accent-tint:#1C2B44;--on-accent:#0B0F16;--warning:#E8A23B;--warning-tint:#2A2113}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--border);background:var(--bg)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none}
.brand img{width:32px;height:32px;border-radius:8px}
nav.lang a{font-size:14px;font-weight:600;text-decoration:none;padding:6px 10px;border:1px solid var(--border);border-radius:8px}
.hero{background:var(--bg-subtle);padding:48px 0}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
h1{font-size:clamp(28px,5vw,42px);line-height:1.15;margin:0 0 16px}
h2{font-size:clamp(22px,3.5vw,28px);line-height:1.25;margin:0 0 12px}
h3{font-size:18px;margin:0 0 6px}
.lead{font-size:18px;color:var(--text-2);margin:0 0 24px}
.btn{display:inline-block;background:var(--accent);color:var(--on-accent);font-weight:700;padding:14px 24px;border-radius:8px;text-decoration:none}
.btn:hover{background:var(--accent-hover);color:var(--on-accent)}
.shot{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--surface);box-shadow:0 8px 24px rgba(14,22,36,.12)}
.shot img{width:100%}
section{padding:48px 0}
section.alt{background:var(--bg-subtle)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:16px;margin-top:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}
.card p{margin:0;color:var(--text-2)}
.card ul,.list{margin:8px 0 0;padding-left:20px;color:var(--text-2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.note{background:var(--warning-tint);border-left:4px solid var(--warning);border-radius:8px;padding:16px 20px;margin:0}
.note p{margin:0}
.muted{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--border);padding:32px 0;background:var(--bg)}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
footer p{margin:0}
.wm{height:32px;width:auto}
.wm-dark{display:none}
@media (prefers-color-scheme:dark){.wm-light{display:none}.wm-dark{display:block}}
footer ul{list-style:none;margin:0;padding:0;display:flex;gap:16px;flex-wrap:wrap}
main.doc{max-width:720px;margin:0 auto;padding:40px 20px}
main.doc h1{font-size:28px}
main.doc h2{margin-top:32px}
main.doc code{background:var(--bg-subtle);padding:1px 5px;border-radius:4px}
@media (max-width:760px){.hero .wrap,.split{grid-template-columns:minmax(0,1fr)}.hero{padding:32px 0}section{padding:36px 0}}
.hero .wrap>*,.split>*,.grid>*{min-width:0}