:root{--bg:#094647;--header:#00352f;--footer:#003a3a;--panel:#013941;--button:#ffc000;--teal:#0a6771;--orange:#bb4e00;--text:#f4fffb;--muted:#c7dfdc;--line:rgba(255,255,255,.15);--shadow:0 18px 42px rgba(0,0,0,.24)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Noto Sans Bengali","Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.65}a{color:#ffd557;text-decoration:none}a:hover{text-decoration:underline}img{display:block;max-width:100%;height:auto}.wrap{width:min(1120px,calc(100% - 30px));margin:0 auto}.narrow-wrap{width:min(900px,calc(100% - 30px))}.top-menu{background:transparent}.top-menu .wrap{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;padding:6px 0}.top-menu a{font-weight:400;font-size:12px;color:#d8efea;padding:0;background:transparent;border:0;border-radius:0}.top-menu 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