:root{--page:#F1F7FB;--surface:#FFFFFF;--line:#CFE0EB;--ink:#10263A;--muted:#4F6577;--primary:#0B7A75;--deep:#0E3A5B;--on-primary:#FFFFFF;--soft:#C9E6EE;--warn-bg:#FFEBC2;--warn:#7A4E00}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--page:#0D1B27;--surface:#142636;--line:#2B4459;--ink:#E8F1F7;--muted:#A3B8C8;--primary:#148C86;--deep:#0B2B42;--soft:#BFE3E8;--warn-bg:#4A3510;--warn:#FFD48A;color-scheme:dark}}
:root[data-theme="dark"]{--page:#0D1B27;--surface:#142636;--line:#2B4459;--ink:#E8F1F7;--muted:#A3B8C8;--primary:#148C86;--deep:#0B2B42;--soft:#BFE3E8;--warn-bg:#4A3510;--warn:#FFD48A;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--ink);font:17px/1.6 "Mukta","Noto Sans Devanagari",system-ui,sans-serif}
header{background:linear-gradient(118deg,var(--deep) 30%,var(--primary));color:var(--on-primary);padding:28px 16px}
header .in,main{max-width:760px;margin:0 auto}
header a{color:var(--soft);text-decoration:none;font-weight:600}
h1{font:700 34px/1.15 "Baloo 2","Mukta",sans-serif;margin:10px 0 4px}
header p{margin:0;color:var(--soft)}
main{padding:20px 16px 48px}
section{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:0 0 14px}
h2{font:700 21px/1.25 "Baloo 2","Mukta",sans-serif;margin:0 0 6px;color:var(--primary)}
ul{margin:6px 0;padding-left:22px}
li{margin:3px 0}
a{color:var(--primary)}
.note{background:var(--warn-bg);color:var(--warn);border-radius:14px;padding:12px 16px;margin:0 0 14px}
footer{max-width:760px;margin:0 auto;padding:0 16px 32px;color:var(--muted);font-size:15px}