:root{--ink:#1d2433;--muted:#5d6676;--bg:#f6f7fb;--card:#fff;--pri:#1f5aa6;--ok:#1d7f46;--line:#e3e6ee}
*{box-sizing:border-box}
body{margin:0;font-family:"Noto Sans Devanagari","Mangal",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--pri);text-decoration:none}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--pri);color:#fff;position:sticky;top:0;z-index:5}
.top .brand{color:#fff;font-weight:700;font-size:19px}
.top .switch{color:#fff;border:1px solid rgba(255,255,255,.7);padding:4px 10px;border-radius:999px;font-size:14px}
main{max-width:860px;margin:0 auto;padding:16px}
h1{font-size:24px;line-height:1.35;margin:8px 0 14px}
h1 small{display:block;font-size:15px;color:var(--muted);font-weight:400}
h2{font-size:18px;margin:22px 0 10px}
.lead{color:var(--muted)}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:4px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.tiles.big{grid-template-columns:1fr 1fr}
.tile{display:flex;flex-direction:column;gap:2px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--ink);min-height:72px}
a.tile:active,a.tile:hover{border-color:var(--pri);box-shadow:0 2px 8px rgba(31,90,166,.12)}
.tile b{font-size:17px}
.tile small{color:var(--muted);font-size:13px}
.tile.off{opacity:.5}
.tiles.big .tile{min-height:110px;justify-content:center;text-align:center}
.tiles.big .tile b{font-size:20px}
.chapters{list-style:none;padding:0;margin:0;background:var(--card);border:1px solid var(--line);border-radius:12px}
.chapters li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;border-top:1px solid var(--line)}
.chapters li:first-child{border-top:0}
.chapters a{color:var(--ink);flex:1}
.chapters .n{display:inline-block;min-width:26px;color:var(--pri);font-weight:700}
.ok,.soon{font-size:12px;padding:2px 8px;border-radius:999px;white-space:nowrap}
.ok{background:#e4f4ea;color:var(--ok)}
.soon{background:#eef0f4;color:var(--muted)}
.answers li{margin:4px 0}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.btn{background:var(--pri);color:#fff;padding:11px 18px;border-radius:10px;font-weight:600}
.btn.ghost{background:#fff;color:var(--pri);border:1px solid var(--pri)}
.pn{display:flex;justify-content:space-between;margin:26px 0 8px;font-weight:600}
.note{background:#fff8e1;border:1px solid #f1df9d;padding:12px;border-radius:10px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px 16px 32px}
.list{list-style:none;padding:0;margin:0;background:var(--card);border:1px solid var(--line);border-radius:12px}
.list li{border-top:1px solid var(--line)}
.list li:first-child{border-top:0}
.list a{display:flex;flex-direction:column;padding:12px 14px;color:var(--ink)}
.list small{color:var(--muted);font-size:13px}