*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'Hind Siliguri','Noto Sans Bengali',system-ui,-apple-system,sans-serif;background-color:var(--bg-primary);color:var(--color-dark);font-size:1rem;line-height:1.8;overflow-x:clip}h1,h2,h3,h4,h5,h6{font-family:'Hind Siliguri','Noto Sans Bengali',system-ui,sans-serif;font-weight:700;color:var(--color-dark)}img{max-width:100%;height:auto;display:block}a{color:var(--color-accent)}.age-banner{background:#1e293b;color:var(--generated-muted);text-align:center;padding:0.5rem 1rem;font-size:0.87rem}.age-banner strong{color:#fbbf24}.breadcrumb-wrap{background:var(--color-white);border-bottom:1px solid var(--color-border);padding:0.65rem 0}.breadcrumb{margin-bottom:0;font-size:0.88rem}.breadcrumb-item a{color:var(--color-accent);text-decoration:none}.breadcrumb-item a:hover{text-decoration:underline}.breadcrumb-item.active{color:var(--color-main)}.page-hero{background:linear-gradient(135deg,#0d1f35 0%,#1a3a5c 50%,#1c3d2e 100%);color:#f1f5f9;padding:56px 0 48px;position:relative;overflow:hidden}.page-hero::before{content:'';position:absolute;top:-60px;right:-80px;width:380px;height:380px;background:radial-gradient(circle,rgba(217,119,6,0.14) 0%,transparent 70%);pointer-events:none}.page-hero::after{content:'';position:absolute;bottom:-50px;left:-50px;width:260px;height:260px;background:radial-gradient(circle,rgba(59,130,246,0.10) 0%,transparent 70%);pointer-events:none}.page-hero h1{color:#f1f5f9;font-size:clamp(1.4rem,3.5vw,2.1rem);line-height:1.4;margin-bottom:1rem}.page-hero .lead{color:#e2e8f0;font-size:1.02rem;max-width:640px;margin-bottom:1.5rem}.badge-18{display:inline-block;background:#fbbf24;color:#1e293b;border-radius:6px;padding:0.2rem 0.7rem;font-weight:700;font-size:0.88rem;margin-right:0.5rem}.topic-badge{display:inline-block;background:rgba(217,119,6,0.22);color:#fcd34d;border-radius:6px;padding:0.2rem 0.8rem;font-size:0.88rem;font-weight:600;border:1px solid rgba(217,119,6,0.35);margin-bottom:0.8rem}.section-pad{padding:56px 0}.section-bg-white{background:var(--color-white)}.section-bg-light{background:var(--bg-primary)}.section-bg-gray{background:var(--bg-secondary)}.section-title{font-size:clamp(1.22rem,2.8vw,1.75rem);color:var(--color-dark);margin-bottom:0.4rem}.section-subtitle{color:var(--color-main);font-size:0.97rem;margin-bottom:2rem}.divider-accent{width:44px;height:4px;background:var(--color-accent);border-radius:2px;margin:0.4rem 0 1.4rem}.divider-gold{width:44px;height:4px;background:var(--color-gold);border-radius:2px;margin:0.4rem 0 1.4rem}.feature-card{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.5rem 1.3rem;height:auto;border:1px solid var(--color-border);transition:box-shadow 0.2s,transform 0.2s}.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}.feature-card .icon-wrap{width:50px;height:50px;border-radius:11px;background:#fef3c7;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--color-gold);margin-bottom:0.9rem;flex-shrink:0}.feature-card h3{font-size:1.02rem;margin-bottom:0.45rem}.feature-card p{font-size:0.92rem;color:var(--color-main);margin-bottom:0}.info-card{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.2rem;height:auto;border-left:4px solid var(--color-accent)}.info-card.gold-border{border-left-color:var(--color-gold)}.info-card h4{font-size:0.97rem;margin-bottom:0.35rem}.info-card p{font-size:0.9rem;color:var(--color-main);margin-bottom:0}.tip-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;padding:1.2rem 1.4rem;font-size:0.93rem;color:#1e40af}.tip-box i{color:var(--color-accent)}.warn-box{background:#fefce8;border:1px solid #fde68a;border-radius:10px;padding:1.2rem 1.4rem;font-size:0.93rem;color:#78350f}.warn-box i{color:#d97706}.gold-box{background:var(--color-gold-light);border:1px solid #fcd34d;border-radius:10px;padding:1.2rem 1.4rem;font-size:0.93rem;color:#78350f}.checklist{list-style:none;padding:0;margin:0}.checklist li{display:flex;align-items:flex-start;gap:0.6rem;padding:0.5rem 0;border-bottom:1px solid var(--color-border);font-size:0.93rem}.checklist li:last-child{border-bottom:none}.checklist li i{color:var(--color-accent);margin-top:0.25rem;flex-shrink:0}.step-item{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.4rem}.step-num{min-width:38px;height:38px;border-radius:50%;background:var(--color-gold);color:var(--text-light);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.97rem;flex-shrink:0}.step-content h4{font-size:0.98rem;margin-bottom:0.2rem}.step-content p{font-size:0.91rem;color:var(--color-main);margin-bottom:0}.stat-card{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.4rem 1rem;text-align:center;height:auto;border:1px solid var(--color-border)}.stat-card .stat-num{font-size:1.9rem;font-weight:700;color:var(--color-gold);line-height:1.2}.stat-card .stat-label{font-size:0.87rem;color:var(--color-main);margin-top:0.3rem}.faq-item{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);margin-bottom:0.9rem;border:1px solid var(--color-border)}.faq-question{padding:1rem 1.3rem;font-weight:600;font-size:0.97rem;color:var(--color-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:0.5rem;background:var(--color-white);border:none;width:100%;text-align:left;font-family:'Hind Siliguri','Noto Sans Bengali',sans-serif;border-radius:var(--radius-card)}.faq-question:hover{background:#f8fafc}.faq-answer{padding:0 1.3rem 1rem;font-size:0.92rem;color:var(--color-main);line-height:1.75;display:none}.faq-answer.open{display:block}.img-block{width:100%;height:auto;border-radius:12px;box-shadow:0 2px 14px rgba(100,116,139,0.13);object-fit:cover}.img-center-wrap{text-align:center;margin:1.2rem 0}.btn-primary-custom{background:var(--color-accent);color:var(--text-light);border:none;border-radius:8px;padding:0.6rem 1.6rem;font-size:0.97rem;font-weight:600;font-family:'Hind Siliguri','Noto Sans Bengali',sans-serif;text-decoration:none;display:inline-block;transition:background 0.18s,box-shadow 0.18s}.btn-primary-custom:hover{background:#2563eb;color:var(--text-light);box-shadow:0 4px 16px rgba(59,130,246,0.3)}.btn-gold-custom{background:var(--color-gold);color:var(--text-light);border:none;border-radius:8px;padding:0.6rem 1.6rem;font-size:0.97rem;font-weight:600;font-family:'Hind Siliguri','Noto Sans Bengali',sans-serif;text-decoration:none;display:inline-block;transition:background 0.18s,box-shadow 0.18s}.btn-gold-custom:hover{background:#b45309;color:var(--text-light);box-shadow:0 4px 16px rgba(217,119,6,0.3)}.btn-outline-custom{background:transparent;color:var(--color-accent);border:2px solid var(--color-accent);border-radius:8px;padding:0.55rem 1.4rem;font-size:0.97rem;font-weight:600;font-family:'Hind Siliguri','Noto Sans Bengali',sans-serif;text-decoration:none;display:inline-block;transition:background 0.18s,color 0.18s}.btn-outline-custom:hover{background:var(--color-accent);color:var(--text-light)}.responsible-box{background:linear-gradient(135deg,#1e293b 0%,#334155 100%);border-radius:14px;padding:2rem;color:#f1f5f9}.responsible-box h3{color:#fbbf24;font-size:1.1rem;margin-bottom:0.8rem}.responsible-box p{color:#e2e8f0;font-size:0.93rem;margin-bottom:0.5rem}.responsible-box a{color:#93c5fd}.symbol-card{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:1.2rem 1rem;text-align:center;height:auto;border-top:4px solid var(--color-gold);transition:box-shadow 0.2s}.symbol-card:hover{box-shadow:var(--shadow-hover)}.symbol-card .sym-icon{font-size:2rem;margin-bottom:0.5rem}.symbol-card h3{font-size:0.95rem;margin-bottom:0.3rem}.symbol-card p{font-size:0.85rem;color:var(--color-main);margin-bottom:0}@media (max-width:767px){.page-hero{padding:38px 0 30px}.section-pad{padding:38px 0}.responsible-box{padding:1.4rem}}