:root{--text:rgba(0,0,0,.87);--text2:rgba(0,0,0,.6);--line:rgba(0,0,0,.12);--green:#2E7D32;--green-light:#E8F5E9;--green-mid:#43A047}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,"Noto Sans Arabic",sans-serif;line-height:1.75;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
header{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line)}
.hd{max-width:960px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:8px}.logo img{width:34px;height:34px;border-radius:8px}
.logo b{font-size:18px;letter-spacing:1px;color:var(--green)}
#nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
#nav a{color:var(--text2)}#nav a.on{color:var(--green);font-weight:600}
.sp{flex:1}
.lang{background:none;border:0;color:var(--green);font:inherit;font-weight:500;cursor:pointer;padding:6px}
main{max-width:860px;margin:0 auto;padding:36px 16px 56px}
h1{font-size:32px;font-weight:600;margin-bottom:4px}
.upd{color:var(--text2);font-size:14px;margin-bottom:18px}
.intro{font-size:17px;background:var(--green-light);border-radius:10px;padding:16px 18px;margin-bottom:24px}
.toc{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:28px}
.toc ol{margin:6px 0 0;padding-inline-start:22px;columns:2;column-gap:28px;font-size:14px}
section{margin-bottom:26px;scroll-margin-top:72px}
h2{font-size:20px;font-weight:600;margin-bottom:8px}
section ul{padding-inline-start:22px}
section li{margin-bottom:6px}
.contact{border-top:1px solid var(--line);padding-top:20px}
footer{text-align:center;color:var(--text2);font-size:13px;padding:22px 16px;border-top:1px solid var(--line)}
@media (max-width:600px){h1{font-size:26px}.toc ol{columns:1}#nav{order:3;width:100%}}
@media print{header,.toc,.lang{display:none}main{padding:0}}