:root{--bg:#f3f6fd;--card:#fff;--text:#0f172a;--muted:#5b6478;--line:#e2e8f0;--blue:#0a4dff;--blue2:#3a86ff;--soft:#e3edff}
@media (prefers-color-scheme:dark){:root{--bg:#0b1120;--card:#121b30;--text:#e6eaf4;--muted:#a9b3c9;--line:#222c47;--blue:#3a76f2;--blue2:#5b93ff;--soft:#1b2f66}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--blue)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header.site{background:linear-gradient(135deg,#00a4fd,#0050fd 55%,#4a00fd);color:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:700;font-size:1.05rem}
.brand .mark{width:42px;height:42px;border-radius:11px;overflow:hidden;display:block;box-shadow:0 2px 8px rgba(0,0,40,.35)}
.brand .mark img{display:block;width:42px;height:42px}
nav.top{display:flex;gap:18px;flex-wrap:wrap}
nav.top a{color:#fff;text-decoration:none;opacity:.9;font-size:.95rem}
nav.top a:hover,nav.top a[aria-current]{opacity:1;text-decoration:underline}
.hero{background:linear-gradient(135deg,#00a4fd,#0050fd 55%,#4a00fd);color:#fff;padding:36px 0 64px}
.hero h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.2;margin:0 0 12px}
.hero p{font-size:1.1rem;max-width:34em;margin:0 0 24px;opacity:.95}
.btn{display:inline-block;background:#fff;color:#0a45d6;font-weight:700;text-decoration:none;padding:13px 22px;border-radius:14px}
.btn:hover{filter:brightness(.96)}
main{padding:28px 0 56px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px 28px;margin:0 0 20px}
.hero + main .card:first-child{margin-top:-44px;position:relative}
h1.page{font-size:1.9rem;line-height:1.25;margin:8px 0 6px}
h2{font-size:1.2rem;margin:1.8em 0 .4em}
h2:first-child{margin-top:0}
p,li{color:var(--text)}
.muted{color:var(--muted)}
ul{padding-left:1.25em}
li{margin:.35em 0}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));list-style:none;padding:0;margin:0}
.grid li{background:var(--soft);border-radius:14px;padding:14px 16px;margin:0}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:24px 0 40px}
footer.site nav{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:8px}
@media (max-width:520px){.card{padding:20px}}