:root{--blue:#1456e0;--sky:#eef4fd;--ink:#1b2540;--muted:#5b6781;--line:#dbe4f3;--gold:#f5b301;--r:12px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Hind Siliguri','Noto Sans Bengali','Kalpurush','SolaimanLipi',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.65;font-size:16px}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:1200px;margin:0 auto;padding:0 18px}
.topbar{background:var(--navy);color:#fff;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar span{margin-right:18px}.topbar a{color:#fff;margin-left:16px;opacity:.92}
.hdr{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);text-decoration:none!important}
.brand img{width:56px;height:56px;object-fit:contain}
.brand b{display:block;font-size:24px;line-height:1.2;font-weight:700}
.brand small{color:var(--muted);font-size:14px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.nav>ul>li{position:relative}
.nav a{display:block;padding:10px 12px;color:var(--ink);font-weight:500;border-bottom:3px solid transparent}
.nav a:hover{color:var(--blue);text-decoration:none;border-color:var(--blue)}
.nav li ul{display:none;position:absolute;left:0;top:100%;min-width:230px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(13,43,107,.14);border-radius:0 0 var(--r) var(--r);flex-direction:column;padding:6px 0}
.nav li.has:hover>ul,.nav li.has:focus-within>ul{display:flex}
.nav li ul a{border:0;padding:8px 16px;font-weight:400}
.nav li ul a:hover{background:var(--sky)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:10px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--navy);margin:4px 0}
.ticker{background:var(--sky);border-bottom:1px solid var(--line)}
.ticker .wrap{display:flex;align-items:center;gap:14px;overflow:hidden;padding-top:8px;padding-bottom:8px}
.ticker strong{background:var(--navy);color:#fff;padding:2px 12px;border-radius:20px;white-space:nowrap;font-size:14px}
.ticker .run{overflow:hidden;white-space:nowrap;flex:1}
.ticker .run div{display:inline-block;padding-left:100%;animation:run 38s linear infinite}
.ticker .run:hover div{animation-play-state:paused}
.ticker a{color:var(--ink);margin-right:46px}
@keyframes run{to{transform:translateX(-100%)}}
.slider{position:relative;height:440px;background:var(--navy);overflow:hidden}
.slide{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transition:opacity .7s}
.slide.on{opacity:1}
.slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,24,60,.82),rgba(8,24,60,.1) 70%)}
.slide .cap{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;max-width:1200px;margin:0 auto;padding:0 18px;color:#fff}
.slide h2{font-size:46px;line-height:1.25;margin:0 0 12px;max-width:640px;font-weight:700}
.slide p{max-width:560px;font-size:18px;margin:0 0 22px}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:10px 24px;border-radius:30px;font-weight:600;border:2px solid var(--blue);width:max-content}
.btn:hover{text-decoration:none;filter:brightness(1.1)}
.btn.ghost{background:transparent;border-color:#fff}
.slider .prev,.slider .next{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:2px solid #fff;background:rgba(0,0,0,.25);color:#fff;font-size:24px;cursor:pointer}
.slider .prev{right:70px}.slider .next{right:18px}
.dots{position:absolute;bottom:14px;left:0;right:0;display:flex;justify-content:center;gap:8px}
.dots button{width:10px;height:10px;border-radius:50%;border:1px solid #fff;background:transparent;padding:0;cursor:pointer}
.dots button.on{background:#fff}
.hero-fallback{background:linear-gradient(120deg,var(--navy),#1b4fc4)}
.stats{background:var(--sky);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.stat{padding:22px 10px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-size:34px;color:var(--navy);line-height:1.2}
.stat span{color:var(--muted)}
.sec{padding:44px 0}.sec.alt{background:#f7faff}
.sec h2.t{font-size:28px;margin:0 0 22px;color:var(--navy);position:relative;padding-top:14px}
.sec h2.t:before{content:"";position:absolute;top:0;left:0;width:44px;height:3px;background:var(--blue)}
.sec h2.t a{font-size:15px;float:right;font-weight:500}
.two{display:grid;grid-template-columns:1.15fr 1fr;gap:28px}
.msg{background:#eaf6ef;border-radius:var(--r);padding:24px;display:flex;gap:18px;align-items:flex-start}
.msg img{width:112px;height:128px;object-fit:cover;border-radius:10px;flex:none}
.msg h3{margin:0 0 6px;color:#1d6b43}
.msg p{margin:0 0 6px}
.msg small{color:var(--muted)}
.nb{display:grid;grid-template-columns:1.6fr 1fr;gap:26px}
.box{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.box h3{margin:0;padding:12px 16px;background:var(--navy);color:#fff;font-size:18px}
.tab-btns{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--line);background:var(--sky)}
.tab-btns button{border:0;background:none;padding:10px 16px;font:inherit;cursor:pointer;color:var(--muted);border-bottom:3px solid transparent}
.tab-btns button.on{color:var(--navy);font-weight:600;border-color:var(--blue);background:#fff}
.tab-pane{display:none}.tab-pane.on{display:block}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;gap:12px;padding:10px 16px;border-bottom:1px dashed var(--line);align-items:baseline}
.list li:last-child{border:0}
.list .d{flex:none;color:var(--muted);font-size:13px;min-width:112px}
.list a{color:var(--ink)}.list a:hover{color:var(--blue)}
.more{display:block;padding:10px 16px;background:#fafcff;border-top:1px solid var(--line);font-weight:500}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);text-align:center;padding:16px 12px}
.pcard img{width:112px;height:128px;object-fit:cover;border-radius:10px;margin-bottom:8px}
.pcard b{display:block}.pcard span{display:block;color:var(--muted);font-size:14px}
.gal{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.gal a{display:block;position:relative;border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:var(--sky)}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gal a:hover img{transform:scale(1.05)}
.gal span{position:absolute;left:0;right:0;bottom:0;padding:18px 10px 6px;color:#fff;font-size:14px;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:100;align-items:center;justify-content:center}
.lightbox.on{display:flex}.lightbox img{max-width:92vw;max-height:90vh}
.lightbox button{position:absolute;top:14px;right:20px;font-size:36px;background:none;border:0;color:#fff;cursor:pointer}
.pagehead{background:linear-gradient(120deg,var(--navy),#1b4fc4);color:#fff;padding:26px 0}
.pagehead h1{margin:0;font-size:30px}.pagehead p{margin:4px 0 0;opacity:.9}.pagehead a{color:#fff}
.content{padding:32px 0 50px}
.content .body{max-width:900px}
.content .body table,.tbl{width:100%;border-collapse:collapse;margin:12px 0}
.content .body td,.content .body th,.tbl td,.tbl th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.tbl th{background:var(--sky);color:var(--navy)}
.tbl tr:nth-child(even) td{background:#fafcff}
.tbl img{width:44px;height:52px;object-fit:cover;border-radius:6px}
.tblwrap{overflow-x:auto}
.tag{display:inline-block;background:var(--sky);color:var(--navy);border-radius:20px;padding:0 10px;font-size:13px}
.pager{margin-top:20px;display:flex;gap:6px;flex-wrap:wrap}
.pager a,.pager b{padding:4px 12px;border:1px solid var(--line);border-radius:8px}
.pager b{background:var(--navy);color:#fff;border-color:var(--navy)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.chips a{padding:4px 14px;border:1px solid var(--line);border-radius:20px;color:var(--ink)}
.chips a.on{background:var(--navy);color:#fff;border-color:var(--navy);text-decoration:none}
.bar{height:14px;border-radius:7px;background:#fde0ea;overflow:hidden;margin:6px 0 2px}.bar i{display:block;height:100%;background:var(--blue)}
.form label{display:block;margin:12px 0 4px;font-weight:500}
.form input,.form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
.form button{margin-top:14px;cursor:pointer;border:0}
.ok{background:#e6f6ec;color:#17623a;padding:10px 14px;border-radius:8px;margin-bottom:14px}
.hp{position:absolute;left:-9999px}
.ftr{background:var(--navy);color:#dfe8fb;margin-top:0}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;padding-top:36px;padding-bottom:26px}
.ftr h4{margin:0 0 10px;color:#fff;font-size:17px}
.ftr ul{list-style:none;margin:0;padding:0}.ftr li{margin:4px 0}
.ftr a{color:#cfe0ff}
.fbrand{display:flex;gap:10px;align-items:center;color:#fff;font-size:20px}.fbrand img{width:46px;height:46px;background:#fff;border-radius:50%;padding:4px}
.social a{margin-right:12px}
.copy{background:rgba(0,0,0,.22);font-size:14px}
.copy .wrap{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
@media(max-width:900px){
 .burger{display:block}
 .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);max-height:75vh;overflow:auto}
 .nav-open .nav{display:block}
 .nav ul{flex-direction:column}.nav li ul{display:block;position:static;border:0;box-shadow:none;padding-left:14px}
 .slider{height:320px}.slide h2{font-size:28px}.slide p{font-size:15px}
 .stats .wrap{grid-template-columns:repeat(2,1fr)}.stat{border-top:1px solid var(--line)}
 .two,.nb{grid-template-columns:1fr}.msg{flex-direction:column}
 .fgrid{grid-template-columns:1fr 1fr}
 .brand b{font-size:19px}
}
@media(max-width:560px){.fgrid{grid-template-columns:1fr}.topbar .tb-r{display:none}}
@media(prefers-reduced-motion:reduce){.ticker .run div{animation:none;padding-left:0}.slide{transition:none}}