:root{color-scheme:dark;--bg:#080c13;--surface:#0d1420;--surface2:#111b2b;--line:#202c3d;--text:#f5f7fb;--muted:#aab4c5;--blue:#3277ff;--cyan:#35d4c4;--violet:#9d78ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 78% 0,#17346555,transparent 35rem),var(--bg);color:var(--text);font-family:Vazirmatn,Tahoma,"Segoe UI",sans-serif;line-height:2}a{color:#91baff}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;font-weight:900}.brand img{width:42px;height:42px;border-radius:12px}.nav{display:flex;gap:20px}.nav a{color:var(--muted);text-decoration:none}.blog-hero{padding:76px 0 48px;text-align:center}.kicker{color:var(--cyan);font-weight:800}.blog-hero h1,.article-head h1{font-size:clamp(2rem,5vw,3.8rem);line-height:1.35;margin:12px auto;max-width:900px}.blog-hero p,.article-head .lead{max-width:780px;margin:0 auto;color:var(--muted);font-size:1.08rem}.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:20px 0 80px}.post-card{display:flex;flex-direction:column;min-height:290px;padding:24px;border:1px solid var(--line);border-radius:21px;background:linear-gradient(145deg,var(--surface2),var(--surface));color:inherit;text-decoration:none;transition:.2s}.post-card:hover{transform:translateY(-4px);border-color:#3b5f93}.post-card .icon{font-size:2rem}.post-card h2{font-size:1.25rem;line-height:1.7;margin:16px 0 8px}.post-card p{color:var(--muted);margin:0}.post-card small{margin-top:auto;padding-top:18px;color:#7f91aa}.article-head{padding:64px 0 34px;text-align:center}.meta{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;color:#8291a8;font-size:.86rem;margin-top:20px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:34px;align-items:start;padding-bottom:80px}.article{min-width:0}.article h2{font-size:1.55rem;line-height:1.6;margin:50px 0 12px}.article h3{font-size:1.16rem;margin-top:32px}.article p,.article li{color:#c2cad7}.article ul,.article ol{padding-right:24px}.article strong{color:#fff}.note{padding:18px 20px;border:1px solid #315078;border-radius:16px;background:#0d1d35;color:#cbd8ea}.warning{border-color:#6d5430;background:#2b210e}.table-wrap{overflow-x:auto}.article table{width:100%;border-collapse:collapse;min-width:580px}.article th,.article td{border:1px solid var(--line);padding:12px;text-align:right}.article th{background:#14233a}.toc{position:sticky;top:18px;padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.toc b{display:block;margin-bottom:8px}.toc a{display:block;color:var(--muted);text-decoration:none;padding:5px 0;font-size:.9rem}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0}.button{display:inline-block;padding:11px 18px;border-radius:13px;background:var(--blue);color:#fff;text-decoration:none;font-weight:800}.button.alt{background:var(--surface2);border:1px solid var(--line)}.sources,.related{margin-top:46px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.sources h2,.related h2{margin-top:0}.related-links{display:flex;gap:10px;flex-wrap:wrap}.related-links a{padding:8px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.breadcrumbs{font-size:.86rem;color:#8190a7}.breadcrumbs a{text-decoration:none}.byline{display:flex;align-items:center;gap:12px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted)}.byline img{width:42px;height:42px;border-radius:12px}footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted)}@media(max-width:850px){.posts{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.toc{position:static;order:-1}.nav{display:none}}@media(max-width:560px){.posts{grid-template-columns:1fr}.blog-hero,.article-head{padding-top:38px}.article h2{font-size:1.35rem}}