:root{--accent:#16a34a;--accent-dark:#15803d;--soft:#e7f7ec;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--bg:#fff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--accent-dark)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.brand{font-weight:700;font-size:1.15rem;color:var(--text);text-decoration:none}
.brand b{color:var(--accent)}
nav.menu{display:flex;gap:4px 18px;flex-wrap:wrap;font-size:.92rem}
nav.menu a{color:var(--muted);text-decoration:none;padding:6px 0}
nav.menu a:hover,nav.menu a[aria-current]{color:var(--accent-dark)}
.hero{background:linear-gradient(180deg,var(--soft),#fff);padding:64px 0 56px;text-align:center}
.hero h1{font-size:clamp(1.9rem,5vw,3rem);line-height:1.15;margin:0 0 16px}
.hero p.lead{font-size:clamp(1.05rem,2.4vw,1.25rem);color:#374151;max-width:680px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;padding:14px 28px;border-radius:12px;font-size:1.05rem}
.btn:hover{background:var(--accent-dark)}
.btn.off{background:#9ca3af;cursor:default}
.formats{margin-top:18px;color:var(--muted);font-size:.9rem}
section{padding:48px 0}
section h2{font-size:clamp(1.4rem,3.4vw,1.9rem);margin:0 0 24px;text-align:center}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff}
.card .ic{font-size:1.8rem;line-height:1;margin-bottom:10px}
.card h3{margin:0 0 6px;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.about{background:#f9fafb}
.about .item{max-width:760px;margin:0 auto 24px}
.about h3{margin:0 0 6px}
.about p{margin:0}
.benefits{max-width:760px;margin:32px auto 0;padding:0;list-style:none}
.benefits li{padding:10px 0 10px 32px;position:relative;border-bottom:1px solid var(--line)}
.benefits li:before{content:"✓";position:absolute;left:4px;color:var(--accent);font-weight:700}
.note{max-width:760px;margin:24px auto 0;color:var(--muted);font-size:.9rem}
article.doc{max-width:820px;margin:0 auto;padding:40px 20px 56px}
article.doc h1{font-size:clamp(1.6rem,4vw,2.2rem);line-height:1.2;margin:0 0 24px}
article.doc h2{font-size:1.4rem;margin:32px 0 12px;text-align:left}
article.doc h3{font-size:1.15rem;margin:24px 0 10px}
article.doc h4,article.doc h5,article.doc h6{margin:18px 0 8px}
article.doc p{margin:0 0 14px;overflow-wrap:anywhere}
article.doc ul,article.doc ol{margin:0 0 14px;padding-left:24px}
article.doc li{margin-bottom:6px;overflow-wrap:anywhere}
footer{background:#111827;color:#d1d5db;padding:36px 0;font-size:.9rem}
footer a{color:#fff}
footer .cols{display:grid;grid-template-columns:1.2fr 1fr;gap:28px}
footer h4{margin:0 0 10px;color:#fff;font-size:.95rem}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:6px}
footer .req p{margin:0 0 4px}
@media (max-width:820px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){
  header.top{position:static}
  .grid{grid-template-columns:1fr}
  .hero{padding:44px 0 40px}
  section{padding:36px 0}
  footer .cols{grid-template-columns:1fr}
  nav.menu{gap:2px 14px;font-size:.85rem}
  .btn{display:block;max-width:360px;margin:0 auto}
}