:root{--green-950:#052a1e;--green-900:#073523;--green-800:#0a6f38;--green-700:#08833f;--green-600:#08a348;--lime:#82f44e;--gold:#ffd13c;--gold-dark:#c69410;--ink:#10251a;--muted:#5d7065;--line:#dbeee0;--soft:#f4fbf5;--white:#fff;--shadow:0 16px 34px rgba(5,42,30,.08);--r:8px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--white);color:var(--ink);font-family:Arial,"Noto Sans Bengali","Noto Sans",sans-serif;line-height:1.65}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.tkb-shell{width:min(1180px,calc(100% - 32px));margin-inline:auto}.tkb-top{background:var(--green-950);color:rgba(255,255,255,.86);font-size:13px}.tkb-top .tkb-shell{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}.tkb-top nav{display:flex;gap:16px;white-space:nowrap}.tkb-top a{color:var(--gold);font-weight:800}.tkb-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 12px 28px rgba(5,42,30,.07)}.tkb-nav{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px}.tkb-brand{display:flex;align-items:center;gap:10px;min-width:max-content}.tkb-brand span{display:grid;place-items:center;width:42px;height:42px;border-radius:var(--r);background:linear-gradient(135deg,var(--green-700),var(--lime));color:#fff;font-weight:900;text-transform:uppercase}.tkb-brand strong{font-size:30px;line-height:1;color:var(--green-800);font-weight:900}.tkb-brand small{display:block;color:var(--muted);font-size:12px;font-weight:800}.tkb-menu{display:flex;align-items:center;justify-content:center;gap:4px;min-width:0}.tkb-menu a{padding:10px 12px;border-radius:var(--r);font-weight:900;font-size:14px;color:var(--green-950);white-space:nowrap}.tkb-menu a:hover,.tkb-menu [aria-current=page]{background:#e9f9e9;color:var(--green-700)}.tkb-actions{display:flex;gap:10px}.tkb-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 18px;border:1px solid rgba(8,131,63,.25);border-radius:var(--r);font-weight:900;font-size:14px;transition:transform .18s ease,box-shadow .18s ease}.tkb-btn:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(5,42,30,.12)}.tkb-btn-hot{background:linear-gradient(135deg,var(--gold),#fff0a4);border-color:transparent;color:var(--green-950)}.tkb-btn-ghost{background:#fff;color:var(--green-800)}.tkb-hero{background:linear-gradient(180deg,#fff 0%,#fff 70%,var(--soft) 100%);padding:34px 0 42px}.tkb-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.88fr);gap:34px;align-items:center}.tkb-hero-copy h1{margin:0;color:var(--green-950);font-size:clamp(38px,5vw,66px);line-height:1.05;font-weight:900;letter-spacing:0}.tkb-hero-copy p{margin:18px 0 0;max-width:720px;color:#34493d;font-size:18px}.tkb-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.tkb-hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}.tkb-hero-facts span{min-height:72px;padding:12px;border:1px solid var(--line);border-radius:var(--r);background:#fff;color:var(--muted);font-weight:800}.tkb-hero-facts b{display:block;color:var(--green-700);font-size:24px;line-height:1}.tkb-hero-media{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);background:#fff}.tkb-quickbar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}.tkb-quick{display:grid;grid-template-columns:50px 1fr;gap:8px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:0 10px 24px rgba(5,42,30,.05)}.tkb-quick span{grid-row:span 2;display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r);background:linear-gradient(135deg,var(--lime),#efff8e);color:var(--green-950);font-weight:900}.tkb-quick strong{color:var(--green-800);font-weight:900}.tkb-quick small{color:var(--muted);font-size:13px;line-height:1.45}.tkb-access{display:grid;grid-template-columns:72px 1fr auto;gap:18px;align-items:center;margin-top:30px;margin-bottom:30px;padding:20px;border-radius:var(--r);background:linear-gradient(135deg,#fff,#ecfaee);box-shadow:var(--shadow)}.tkb-access-icon{display:grid;place-items:center;width:60px;height:60px;border-radius:var(--r);background:var(--green-700);color:#fff;font-weight:900;font-size:24px}.tkb-access h2,.tkb-access p{margin:0}.tkb-access h2{color:var(--green-800);font-size:28px;line-height:1.2}.tkb-access p{color:var(--muted)}.tkb-band{padding:46px 0;background:var(--soft)}.tkb-section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.tkb-section-head h2{margin:0;color:var(--green-950);font-size:clamp(26px,3.2vw,40px);line-height:1.1}.tkb-section-head a{color:var(--green-700);font-weight:900}.tkb-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tkb-card{padding:20px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:0 12px 30px rgba(5,42,30,.06)}.tkb-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:var(--r);background:linear-gradient(135deg,var(--lime),#fff28a);color:var(--green-950);font-size:24px;font-weight:900}.tkb-card h3{margin:14px 0 6px;color:var(--green-800);font-size:22px;line-height:1.2}.tkb-card p{margin:0 0 14px;color:var(--muted)}.tkb-card a{color:var(--green-700);font-weight:900}.tkb-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.72fr);gap:28px;align-items:center;padding:54px 0}.tkb-feature h2,.tkb-safety h2{margin:0;color:var(--green-950);font-size:clamp(30px,4vw,46px);line-height:1.12}.tkb-feature p,.tkb-safety p{color:#34493d}.tkb-feature ul,.tkb-article ul,.tkb-panel ul{padding-left:22px}.tkb-feature li,.tkb-article li,.tkb-panel li{margin:8px 0}.tkb-feature img,.tkb-safety img,.tkb-page-hero img{border-radius:var(--r);box-shadow:var(--shadow)}.tkb-safety{padding:44px 0;background:linear-gradient(180deg,#fff,var(--soft))}.tkb-safety-grid{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1fr);gap:28px;align-items:center}.tkb-news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:50px}.tkb-news{overflow:hidden;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:0 12px 28px rgba(5,42,30,.06)}.tkb-news img{width:100%;height:150px;object-fit:cover}.tkb-news div{padding:14px}.tkb-news small{color:var(--green-700);font-weight:900}.tkb-news h3{margin:6px 0;color:var(--ink);font-size:18px;line-height:1.35}.tkb-news p{margin:0 0 12px;color:var(--muted);font-size:14px}.tkb-news a:last-child{color:var(--green-700);font-weight:900}.tkb-faq{padding-bottom:54px}.tkb-faq details,.tkb-panel details{border:1px solid var(--line);border-radius:var(--r);background:#fff;margin:10px 0;padding:14px 16px}.tkb-faq summary,.tkb-panel summary{cursor:pointer;font-weight:900;color:var(--green-950)}.tkb-page-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.7fr);gap:28px;align-items:center;padding:42px 0}.tkb-page-hero h1{margin:8px 0 12px;color:var(--green-950);font-size:clamp(34px,4.5vw,56px);line-height:1.08}.tkb-page-hero p{margin:0 0 20px;color:#34493d;font-size:18px}.tkb-back{color:var(--green-700);font-weight:900}.tkb-two-col{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:start;padding-bottom:54px}.tkb-panel{padding:24px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow)}.tkb-panel h2{color:var(--green-800);line-height:1.2}.tkb-lead{font-size:18px;color:#34493d}.tkb-note{margin:20px 0;padding:16px;border-radius:var(--r);background:#e9f9e9;color:var(--green-950);font-weight:800}.tkb-table{overflow-x:auto;margin:18px 0}.tkb-table table{width:100%;min-width:620px;border-collapse:collapse}.tkb-table th,.tkb-table td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}.tkb-table th{background:var(--green-950);color:#fff}.tkb-prenext{display:grid;gap:8px;margin-top:18px}.tkb-link-row{display:block;padding:14px;border:1px solid var(--line);border-radius:var(--r);margin:10px 0;color:var(--green-800);font-weight:900;background:#fbfffb}.tkb-link-row span{display:block;color:var(--muted);font-size:13px;font-weight:700}.tkb-footer{background:linear-gradient(180deg,var(--green-900),var(--green-950));color:#fff;padding-top:42px}.tkb-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}.tkb-footer .tkb-brand strong,.tkb-footer .tkb-brand small{color:#fff}.tkb-footer p{color:rgba(255,255,255,.75)}.tkb-footer nav{display:grid;gap:8px}.tkb-footer a{color:var(--gold);font-weight:900}.tkb-footer-note{padding:18px;border:1px solid rgba(255,255,255,.15);border-radius:var(--r)}.tkb-copy{padding:22px 0;color:rgba(255,255,255,.66);font-size:13px}
.tkb-panel{min-width:0}
@media (max-width:1440px){.tkb-actions{display:none}.tkb-menu{justify-content:flex-end}}
@media (max-width:1040px){.tkb-nav{grid-template-columns:1fr;gap:12px;padding:14px 0}.tkb-menu{justify-content:flex-start;overflow-x:auto;padding-bottom:4px}.tkb-hero-grid,.tkb-feature,.tkb-safety-grid,.tkb-page-hero,.tkb-two-col{grid-template-columns:1fr}.tkb-quickbar,.tkb-card-grid,.tkb-news-grid{grid-template-columns:repeat(2,1fr)}.tkb-footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.tkb-shell{width:min(100% - 24px,1180px)}.tkb-top .tkb-shell{display:block;padding:8px 0}.tkb-top nav{margin-top:4px;overflow-x:auto}.tkb-menu{flex-wrap:wrap;overflow-x:visible}.tkb-brand strong{font-size:26px}.tkb-menu a{font-size:13px;padding:9px 10px}.tkb-hero{padding-top:22px}.tkb-hero-copy h1{font-size:38px}.tkb-hero-copy p,.tkb-page-hero p{font-size:16px}.tkb-hero-actions,.tkb-access{display:grid;grid-template-columns:1fr}.tkb-hero-facts,.tkb-quickbar,.tkb-card-grid,.tkb-news-grid,.tkb-footer-grid{grid-template-columns:1fr}.tkb-news img{height:180px}.tkb-access{align-items:stretch}.tkb-access h2{font-size:24px}.tkb-panel{padding:18px}.tkb-page-hero{padding:28px 0}.tkb-feature,.tkb-safety{padding:34px 0}}