:root{--text:#1F2937;--muted:#667085;--subtle:#7C8A78;--border:#DCE8D0;--bg:#F7FAF5;--card:#fff;--soft:#EFF7EA;--brand:#83C93F;--brand2:#2F8E3D;--shadow:0 18px 42px rgba(47,92,40,.12)}
:root.night{--text:#F4F7F1;--muted:#B7C0B2;--subtle:#9FA997;--border:#2A3428;--bg:#0E120D;--card:#151A14;--soft:#10170F;--brand:#8AD64A;--brand2:#7DCE42;--shadow:none}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit}
.page{max-width:900px;margin:0 auto;padding:30px 24px 76px}
.top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:42px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800}
.brand img{width:34px;height:34px;border-radius:10px}
.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.langs{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--border);border-radius:999px;background:var(--card)}
.lang-btn{border:0;background:transparent;color:var(--muted);font:700 12px/1 system-ui,sans-serif;padding:8px 10px;border-radius:999px;cursor:pointer}
.lang-btn[aria-pressed="true"]{background:var(--brand);color:#fff}
.theme-btn{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--border);background:var(--card);cursor:pointer;color:var(--muted);display:inline-flex;align-items:center;justify-content:center}
.theme-btn:active{transform:scale(.94)}
.theme-btn svg{width:19px;height:19px;display:block}
.theme-btn .ico-moon{display:none}
:root.night .theme-btn .ico-sun{display:none}
:root.night .theme-btn .ico-moon{display:block}
.back{display:inline-flex;align-items:center;gap:5px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:700;margin-bottom:24px}
.back:active{opacity:.65}
.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;align-items:stretch;margin-bottom:34px}
.doc-hero{display:block;max-width:760px;margin-bottom:22px}
h1{font-size:34px;line-height:1.16;letter-spacing:0;margin-bottom:14px;color:var(--text)}
.lead{font-size:17px;color:var(--muted);max-width:680px}
.date{color:var(--subtle);font-size:13.5px;margin-top:16px}
.contact,.article-panel{background:var(--card);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}
.contact{padding:22px}
.article-panel{padding:28px 30px}
.kicker{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand2);margin-bottom:10px}
.mail{display:inline-flex;align-items:center;justify-content:center;min-height:46px;margin:10px 0 12px;padding:0 18px;border-radius:999px;background:var(--brand);color:#fff;text-decoration:none;font-weight:900;box-shadow:0 10px 20px rgba(92,166,54,.2)}
.small{font-size:13.5px;color:var(--muted)}
.section{margin-top:38px}
.article-panel .section{margin-top:0;padding-top:26px}
.article-panel .section:first-child{padding-top:0}
.article-panel .section+.section{margin-top:26px;border-top:1px solid var(--border)}
h2{font-size:20px;line-height:1.3;margin-bottom:14px;color:var(--text)}
.article-panel h2{font-size:18px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px}
.card h3{font-size:15.5px;line-height:1.3;margin-bottom:8px;color:var(--text)}
p,li{font-size:15px;color:var(--muted)}
ul{list-style:none;display:flex;flex-direction:column;gap:8px}
li{position:relative;padding-left:18px}
li:before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
p+p{margin-top:10px}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.link-btn{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border:1px solid var(--border);border-radius:999px;background:var(--card);color:var(--text);text-decoration:none;font-weight:800;font-size:14px}
.foot{margin-top:52px;padding-top:20px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:13.5px;flex-wrap:wrap}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot-links{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
body.support-page .hero{margin-bottom:52px}
body.support-page .section{margin-top:44px}
body.support-page .links{margin-top:14px}
@media (max-width:760px){
  .page{padding:22px 18px 64px}
  .top{align-items:flex-start;margin-bottom:32px}
  .actions{gap:8px}
  .langs{order:2;width:100%;justify-content:space-between}
  .lang-btn{flex:1}
  .hero{display:block}
  h1{font-size:29px}
  .lead{font-size:16px}
  .contact{margin-top:24px}
  .article-panel{padding:22px 18px}
  .grid{grid-template-columns:1fr}
  body.support-page .hero{margin-bottom:42px}
}