:root{--green:#1A6B3F;--deep:#12452A;--sun:#F4A21E;--cream:#FBF7EE;--ink:#1B2430;--muted:#55606E;--line:#E6DFCC}
*{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);font-family:'Hind Siliguri',system-ui,sans-serif;line-height:1.6}
html[lang=bn] .en{display:none}html[lang=en] .bn{display:none}
a{color:var(--green)}a:hover{color:var(--deep)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.topbar{background:#1F4E9C;color:#fff;font-size:14px}
.topbar-in{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topinfo{display:flex;flex-wrap:wrap;gap:4px 20px}.topact{display:flex;align-items:center;gap:10px}
.langsw{display:flex;border:1px solid rgba(255,255,255,.5);border-radius:99px;overflow:hidden}
.langsw button{background:transparent;color:#fff;border:0;padding:5px 14px;font:inherit;font-size:14px;cursor:pointer;min-height:32px}
.langsw button[aria-pressed=true]{background:#fff;color:var(--deep);font-weight:600}
.btn-login{background:var(--sun);color:var(--ink);text-decoration:none;font-weight:600;padding:6px 18px;border-radius:99px;min-height:32px;display:inline-flex;align-items:center}
.head{background:#fff;border-bottom:1px solid var(--line)}
.head-in{display:flex;flex-wrap:wrap;gap:16px 20px;align-items:center;padding-top:16px;padding-bottom:16px}
.head-in img{object-fit:contain}.head-name{flex:1 1 320px;min-width:0}
.name-bn{font-family:'Noto Serif Bengali',Georgia,serif;font-weight:700;font-size:28px;line-height:1.3;color:var(--deep)}
.name-sub{font-size:15px;color:var(--muted)}
.nav{display:flex;flex-wrap:wrap;gap:4px 6px;padding-bottom:12px}
.nav a{text-decoration:none;color:var(--ink);font-weight:500;padding:8px 14px;border-radius:8px;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover{background:#E3F1E7;color:var(--deep)}
.hero{background:linear-gradient(120deg,#FFF1CC 0%,#FBF7EE 45%,#E3F1E7 100%)}
.hero-in{display:flex;flex-wrap:wrap;gap:40px;align-items:center;padding-top:56px;padding-bottom:64px}
.hero-text{flex:1 1 440px;min-width:0}
.tag{display:inline-block;background:var(--deep);color:#fff;font-size:14px;font-weight:600;padding:4px 14px;border-radius:99px}
.hero h1{font-family:'Noto Serif Bengali',Georgia,serif;font-size:42px;line-height:1.3;margin:18px 0 14px}
.hero p{font-size:18px;color:#3C4756;margin:0 0 26px;max-width:560px}
.hero-art{flex:1 1 280px;display:flex;justify-content:center}
.sun{width:320px;max-width:100%;aspect-ratio:1/1;border-radius:50%;background:radial-gradient(circle at 50% 40%,#FFE7A6 0%,#FBD36B 55%,#F4A21E 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 20px 50px rgba(18,69,42,.18)}
.sun img{width:62%;height:auto}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:10px 26px;border-radius:10px;font-weight:600;font-size:17px;text-decoration:none;border:2px solid var(--green);background:var(--green);color:#fff;cursor:pointer;font-family:inherit}
.btn.alt{background:#fff;color:var(--deep)}
.facts{margin:-28px auto 0}
.facts-in{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 24px rgba(27,36,48,.06);display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.fact{padding:6px 24px;border-left:4px solid var(--sun);margin:14px 0}
.fact b{display:block;font-family:'Noto Serif Bengali',Georgia,serif;font-size:22px;color:var(--deep)}.fact span{font-size:15px;color:var(--muted)}
section.blk{padding:48px 0 8px}
h2.sec{font-family:'Noto Serif Bengali',Georgia,serif;font-size:28px;margin:0 0 18px}
.cols{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.card-h{background:#1F4E9C;color:#fff;padding:16px 24px;font-size:20px;font-weight:600}
.notice{display:flex;gap:16px;align-items:flex-start;padding:14px 24px;border-bottom:1px solid #EFE9D9}
.notice:last-child{border-bottom:0}
.date{flex:0 0 auto;width:62px;text-align:center;background:#FFF1CC;border-radius:10px;padding:6px 0}
.date b{display:block;font-size:22px;line-height:1.1}.date span{font-size:13px;color:var(--muted)}
.notice a,.notice .t{color:var(--ink);font-weight:600;font-size:17px;text-decoration:none}.notice small{display:block;color:var(--muted);font-size:14px}
.admbox{background:var(--green);color:#fff;border-radius:14px;padding:26px}
.admbox h3{font-family:'Noto Serif Bengali',Georgia,serif;font-size:26px;line-height:1.3;margin:14px 0 8px}
.admbox .tag{background:var(--sun);color:var(--ink)}.admbox p{color:#E3F1E7;margin:0 0 18px}
.admbox .btn{background:#fff;color:var(--deep);border-color:#fff}
table.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{text-align:left;padding:11px 16px;border-bottom:1px solid #EFE9D9}.tbl th{background:#F3F6F2;font-size:14px;color:var(--muted)}
.scroll{overflow-x:auto}
.msgs{display:flex;flex-wrap:wrap;gap:24px}
.msg{flex:1 1 420px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.msg h3{margin:0}.msg small{display:block;color:var(--muted);margin-bottom:8px}.msg p{margin:0;white-space:pre-line}
.contact{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.empty{color:var(--muted);padding:18px 24px}
.foot{background:var(--deep);color:#E3F1E7;margin-top:56px}
.foot-in{display:flex;gap:16px;align-items:center;padding-top:32px;padding-bottom:20px}.foot-in img{background:#fff;border-radius:50%;padding:8px;object-fit:contain}
.copy{border-top:1px solid rgba(255,255,255,.2);padding:14px 24px;text-align:center;font-size:14px}
/* forms */
.form{max-width:760px;margin:32px auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.form h1{font-family:'Noto Serif Bengali',Georgia,serif;margin:0 0 6px;font-size:30px}
.form label{display:block;margin:14px 0 4px;font-weight:600}
.form input,.form select{width:100%;padding:11px 12px;border:1px solid #b9b2a0;border-radius:8px;font:inherit;min-height:44px;background:#fff}
.form .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 18px}
.form .hint{font-size:14px;color:var(--muted);margin:4px 0 0}
.form .err{background:#FDECEA;color:#8A1C12;border-radius:8px;padding:10px 14px;margin:14px 0}
.form .ok{background:#E3F1E7;color:#12452A;border-radius:8px;padding:14px 16px;margin:14px 0}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
@media (max-width:640px){.hero h1{font-size:32px}.name-bn{font-size:22px}}

.rot .slide{padding:18px 24px 8px;border-bottom:1px solid var(--line)}.rot .slide:last-of-type{border-bottom:0}
.rot .slide h3{margin:0}.rot .slide small{display:block;color:var(--muted);margin-bottom:8px}.rot .slide p{margin:0;white-space:pre-line}
.rot.js .slide{display:none;border-bottom:0;padding-bottom:12px}.rot.js .slide.on{display:block}
.rot .dots{display:none;gap:8px;justify-content:center;padding:0 0 16px}.rot.js .dots{display:flex}
.rot .dots button{width:12px;height:12px;border-radius:50%;border:0;background:var(--line);cursor:pointer;padding:0}.rot .dots button.on{background:var(--green)}

.ilinks{list-style:none;margin:0;padding:6px 24px 10px}.ilinks li{border-bottom:1px solid #EFE9D9}.ilinks li:last-child{border-bottom:0}.ilinks a{display:block;padding:12px 0;font-weight:600;text-decoration:none;min-height:44px;box-sizing:border-box}

.btn-adm{background:#fff;color:var(--deep);font-weight:600;padding:6px 16px;border-radius:99px;text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
.btn-adm:hover{background:var(--cream);color:var(--deep)}
.topact{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.logindd{position:relative}.logindd summary{list-style:none;cursor:pointer}.logindd summary::-webkit-details-marker{display:none}
.ddmenu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(27,36,48,.18);min-width:190px;padding:6px;z-index:30}
.ddmenu a,.ddmenu .off{display:block;padding:10px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:600;min-height:40px;box-sizing:border-box}
.ddmenu a:hover{background:var(--cream)}.ddmenu .off{color:var(--muted);cursor:default}.ddmenu .off small{display:block;font-weight:400;font-size:12px}
.lgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.lbox{background:#F4F4F4;border:1px solid #DADADA;border-radius:8px;padding:16px 18px;box-shadow:0 2px 4px rgba(0,0,0,.08)}
.lbox h3{margin:0 0 10px;font-size:20px;display:flex;gap:10px;align-items:center;color:var(--deep)}
.lbox ul{list-style:none;margin:0;padding:0}.lbox li{position:relative;padding:4px 0 4px 18px;font-size:15px}
.lbox li::before{content:"";position:absolute;left:2px;top:12px;border-left:6px solid var(--green);border-top:4px solid transparent;border-bottom:4px solid transparent}
.lbox li.sub{margin-left:18px;font-size:14px}.lbox li span{color:var(--ink)}.lbox li a{text-decoration:none;font-weight:500}.lbox li a:hover{text-decoration:underline}
.hot{list-style:none;margin:0;padding:6px 20px 10px}.hot li{border-bottom:1px solid #EFE9D9}.hot li:last-child{border-bottom:0}
.hot a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;text-decoration:none;color:var(--ink);min-height:48px}
.hot .hl{font-weight:600;font-size:15px}.hot b{font-family:'Noto Serif Bengali',Georgia,serif;font-size:30px;line-height:1}

.fbico{display:inline-flex;align-items:center;color:#fff;opacity:.95}a.fbico:hover{color:var(--sun)}
.nav .soon{color:var(--muted);padding:8px 14px;min-height:44px;display:inline-flex;align-items:center;font-weight:500;cursor:default}
.lbox{scroll-margin-top:16px}
.topinfo{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center}

.pbox h3{color:#1F4E9C}.pico{color:#1F4E9C}.name-sub.codes{font-weight:700;color:var(--ink)}
.foot{margin-top:56px}.foot .copy{border-top:0}
.rot .slide{padding:0}.rot .slide .card-h{margin:0}.rot .slide .sbody{padding:18px 24px 8px}
.rot.js .slide .sbody{padding-bottom:12px}
.lbox h3,.lbox h3 svg{color:#1F4E9C}

/* মেনু বার: স্ক্রলেও উপরে থাকে */
.navbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 6px rgba(27,36,48,.06)}
.nav{padding-bottom:0;padding-top:4px;padding-bottom:4px}
.nav a,.nav .soon{min-height:40px}
.head-in{padding-bottom:12px}
/* চিকন বক্স */
.card-h{padding:9px 20px;font-size:17px}
.notice{padding:8px 20px}
.rot .slide .sbody{padding:10px 20px 4px}.rot.js .slide .sbody{padding-bottom:6px}.rot .dots{padding-bottom:10px}
.rot .slide h3{font-size:17px}.rot .slide small{margin-bottom:4px}
.ilinks{padding:2px 20px 4px}.ilinks a{padding:7px 0;min-height:36px}
.hot{padding:2px 20px 4px}.hot a{padding:5px 0;min-height:36px}.hot b{font-size:24px}.hot .hl{font-size:14px}
.lbox{padding:10px 14px}.lbox h3{font-size:17px;margin:0 0 6px}
.lbox li{padding:2px 0 2px 18px;font-size:14px}.lbox li::before{top:9px}.lbox li.sub{font-size:13px}
.portal{gap:14px}.cols{gap:20px}
/* কপিরাইট বক্স নীল, বক্স আরও চিকন */
.foot{background:#1F4E9C;color:#fff}.foot .copy{padding:10px 24px;background:#1F4E9C;color:#fff}
.card-h{padding:6px 18px;font-size:16px}
.notice{padding:5px 18px}.date{padding:3px 0}
.rot .slide .sbody{padding:6px 18px 2px}.rot.js .slide .sbody{padding-bottom:4px}.rot .dots{padding-bottom:6px}
.ilinks{padding:0 18px 2px}.ilinks a{padding:4px 0;min-height:30px}
.hot{padding:0 18px 2px}.hot a{padding:3px 0;min-height:30px}.hot b{font-size:21px}
.lbox{padding:7px 12px}.lbox h3{font-size:16px;margin:0 0 3px}
.lbox li{padding:1px 0 1px 18px;font-size:13.5px}.lbox li::before{top:7px}
.portal{gap:10px}.cols{gap:14px}
/* মেনু বারের লেখা: বোল্ড নীল */
.nav a{color:#1F4E9C;font-weight:700}.nav a:hover{background:#E8EEF8;color:#163B78}
.nav .soon{color:#1F4E9C;font-weight:700;opacity:.5}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nav a.homeico{padding:8px 12px}

/* হেডারের ছবি-স্লাইড */
.head{position:relative;overflow:hidden}.head-in{position:relative;z-index:1}
.hslides{position:absolute;inset:0;z-index:0}
.hslides img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease}
.hslides img.on{opacity:1}
.hslides::after{content:"";position:absolute;inset:0;background:rgba(255,255,255,.80)}
@media (prefers-reduced-motion:reduce){.hslides img{transition:none}}

.topbar{position:relative;z-index:60}.logindd{position:relative}.ddmenu{z-index:70}

.ddmenu a,.btn-login,summary.btn-login,.fbico,a.fbico,.btn-adm,.nav a,.hot a,.ilinks a,.hslides{cursor:pointer}.ddmenu a{cursor:pointer}
/* হোভারে সিলেক্ট-এর মতো দেখাবে */
.ddmenu a{transition:background .12s,color .12s}
.ddmenu a:hover,.ddmenu a:focus-visible{background:#1F4E9C;color:#fff;cursor:pointer}
.lbox li{cursor:pointer;border-radius:4px;margin:0 -4px;padding-right:4px;transition:background .12s}
.lbox li::before{left:4px}.lbox li.sub::before{left:18px}.lbox li{padding-left:22px}.lbox li.sub{padding-left:34px}
.lbox li:hover{background:#DCE6F7}.lbox li:hover a,.lbox li:hover span{color:#1F4E9C;font-weight:600}
.lbox li a{display:block}
/* সব ক্লিকযোগ্য অংশে হোভারে সিলেক্ট-এর মতো দেখাবে */
.langsw button:not([aria-pressed=true]):hover{background:#fff;color:#1F4E9C}
.btn-adm{transition:background .12s,color .12s}.btn-adm:hover{background:#DCE6F7;color:#1F4E9C}
.btn-login:hover{background:#fff;color:#1F4E9C}
a.fbico{border-radius:50%;padding:5px;transition:background .12s}a.fbico:hover{background:rgba(255,255,255,.28);color:#fff}
.nav a{transition:background .12s,color .12s;border-radius:8px}.nav a:hover,.nav a:focus-visible{background:#1F4E9C;color:#fff}
.ilinks a,.hot a{border-radius:6px;padding-left:8px;padding-right:8px;margin:0 -8px;transition:background .12s}
.ilinks a:hover,.hot a:hover{background:#DCE6F7}.ilinks a:hover{color:#1F4E9C}
.notice{transition:background .12s}.notice:has(a):hover{background:#DCE6F7}.notice a:hover{color:#1F4E9C}
.btn{transition:background .12s,color .12s}.btn:hover{background:#12452A;border-color:#12452A;color:#fff}
.btn.alt:hover{background:#DCE6F7;border-color:#1F4E9C;color:#1F4E9C}
.rot .dots button:hover{background:#1F4E9C}
.lbox li:has(a){cursor:pointer}