:root{--black:#171717;--ink:#394553;--muted:#697583;--red:#e82e36;--red2:#c61e28;--blue:#486d99;--yellow:#ffe928;--line:#e8edf2;--soft:#f6f7f9;--radius:6px;--shadow:0 14px 30px rgba(20,32,48,.10)}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font-family:Roboto,"Noto Sans Bengali","Hind Siliguri",Arial,sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(1050px,calc(100% - 30px));margin:0 auto}.top-strip{background:var(--black);color:#f4f4f4;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}.top-strip-inner{display:flex;justify-content:space-between;gap:16px;padding:8px 0}.site-head{background:var(--black);color:#fff}.head-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;font-size:42px;font-weight:900;letter-spacing:0;color:#fff;line-height:1}.brand-red{color:var(--red);font-style:italic}.head-actions{display:flex;gap:14px}.head-actions a{background:var(--blue);color:#fff;border-radius:999px;padding:10px 22px;font-weight:800;font-size:13px;text-transform:uppercase}.red-nav{background:var(--red)}.nav-scroll{display:flex;gap:0;overflow-x:auto;scrollbar-width:none}.nav-scroll a{color:#fff;font-weight:800;padding:17px 15px;white-space:nowrap;position:relative}.nav-scroll a.active,.nav-scroll a:hover{color:var(--yellow)}.nav-scroll a.active:after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:3px;background:var(--yellow);border-radius:3px}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;padding:22px 0 34px}.hero-media img{width:100%;height:410px;object-fit:cover;object-position:left center;border-radius:var(--radius);box-shadow:var(--shadow)}.hero-copy h1{font-size:42px;line-height:1.14;color:#34404c;margin:0 0 14px;font-weight:900}.hero-copy p{margin:0 0 20px;color:#586676}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.primary-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 22px;font-weight:900}.primary-btn{background:var(--red);color:#fff;box-shadow:0 8px 18px rgba(232,46,54,.22)}.ghost-btn{background:#fff;color:var(--blue);border:1px solid #c9d6e7}.section{padding:28px 0}.section h2,.content-panel h2,.guide-box h2{font-size:28px;line-height:1.25;color:#34404c;margin:0 0 16px}.intro-copy{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.intro-copy p{max-width:920px;margin:0;color:#5f6b78}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.category-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;min-height:220px;display:flex;flex-direction:column;gap:8px}.category-card img{height:112px;width:100%;object-fit:cover;border-radius:4px}.category-card span{color:var(--red);font-weight:800;font-size:13px}.category-card strong{font-size:20px;color:#2f3c49;line-height:1.25}.category-card em{margin-top:auto;font-style:normal;color:var(--blue);font-weight:900}.article-zone{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}.article-list,.guide-box,.content-panel,.article-card,.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.article-list{padding:18px}.article-row{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);align-items:center}.article-row:last-child{border-bottom:0}.article-row img{height:82px;width:150px;object-fit:cover;border-radius:4px}.article-row b{display:block;color:#2f3c49;font-size:18px;line-height:1.35}.article-row small{display:block;color:#697583;margin-top:4px;font-size:14px}.guide-box{padding:18px;position:sticky;top:12px}.guide-box a,.side-panel a{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:12px 13px;margin:10px 0;font-weight:800;color:#34404c}.download-strip{margin-top:18px;background:linear-gradient(135deg,var(--red),#fb4b54);color:#fff;border-radius:var(--radius);padding:18px;font-weight:900;text-align:center}.faq-home{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid var(--line)}.faq-home h2{grid-column:1/-1}.faq-home div{background:var(--soft);border-radius:var(--radius);padding:18px}.faq-home h3{margin:0 0 8px}.faq-home p{margin:0}.category-top{display:grid;grid-template-columns:1fr 420px;gap:28px;align-items:center;padding:30px 0}.category-top img{height:300px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.crumb{color:#697583;font-size:14px;margin-bottom:12px}.crumb a{color:var(--red);font-weight:800}.category-copy h1{font-size:38px;line-height:1.18;margin:0 0 14px;color:#34404c}.category-copy p{color:#5f6b78;margin:0 0 18px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.content-panel{padding:22px}.check-list{margin:12px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line)}.check-list li:before{content:"";position:absolute;left:0;top:17px;width:10px;height:10px;background:var(--red);border-radius:50%}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mini-link{border:1px solid var(--line);border-radius:var(--radius);padding:12px;background:var(--soft)}.mini-link span{display:block;color:var(--red);font-weight:800;font-size:12px}.mini-link strong{display:block;color:#34404c;line-height:1.35}.read-row{margin-top:18px;display:flex;justify-content:space-between;gap:14px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-weight:900}.read-row b{color:var(--red)}.article-hero{min-height:380px;background-size:cover;background-position:center;display:flex;align-items:center;color:#fff}.article-hero h1{max-width:920px;font-size:52px;line-height:1.1;margin:0 0 18px;font-weight:900}.article-hero p{max-width:760px;margin:0;color:#eef3f7}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;padding:34px 0}.article-card{padding:26px}.meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}.meta span{border:1px solid #d7e1eb;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:800;color:#486d99}.cover{width:100%;height:360px;object-fit:cover;border-radius:var(--radius);margin-bottom:22px}.article-content h2{font-size:27px;color:#34404c;margin:28px 0 10px;line-height:1.25}.article-content h3{font-size:20px;margin:18px 0 6px;color:#34404c}.article-content p{margin:0 0 14px;color:#4e5b68}.info-table{width:100%;border-collapse:collapse;margin:14px 0 18px}.info-table th,.info-table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.info-table th{width:190px;background:var(--soft);color:#34404c}.notice{background:#fff5f5;border-left:4px solid var(--red);padding:16px;border-radius:var(--radius);margin-top:22px;color:#3e4650}.side-panel{padding:16px;align-self:start;position:sticky;top:12px}.side-panel img{height:150px;width:100%;object-fit:cover;border-radius:4px;margin-bottom:14px}.side-panel h3{margin:0 0 10px;color:#34404c}.template-grid{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}.pagebar{padding:18px 0}.site-footer{background:#2f363d;color:#e7edf3;margin-top:32px;padding:34px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}.footer-brand{font-size:32px}.site-footer p{color:#c7d0da;margin:10px 0 0}.site-footer strong{display:block;color:#fff;margin-bottom:10px}.site-footer a:not(.brand){display:block;color:#d9e1ea;margin:8px 0}.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding:18px 0;color:#cbd5df;text-align:center;font-size:14px}
@media (max-width:820px){.top-strip-inner{display:block}.head-inner{height:auto;padding:15px 0;align-items:flex-start}.brand{font-size:38px}.head-actions{flex-direction:column;gap:8px}.head-actions a{text-align:center;padding:9px 18px}.nav-scroll a{padding:13px 12px}.hero,.category-top,.article-zone,.two-col,.article-layout,.footer-grid{grid-template-columns:1fr}.hero{padding-top:16px}.hero-media img{height:230px}.hero-copy h1,.category-copy h1{font-size:34px}.category-grid{grid-template-columns:1fr}.category-card{min-height:auto}.article-row{grid-template-columns:96px 1fr}.article-row img{width:96px;height:72px}.guide-box,.side-panel{position:static}.faq-home{grid-template-columns:1fr}.category-top img{height:230px;order:-1}.article-hero{min-height:330px}.article-hero h1{font-size:36px}.cover{height:220px}.article-card{padding:18px}.mini-grid{grid-template-columns:1fr}.info-table th,.info-table td{display:block;width:100%}}