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0}.mob-drawer-header{flex-shrink:0;display:flex;align-items:flex-start;justify-content:space-between;padding:12px 20px 10px;border-bottom:1px solid var(--border)}.mob-drawer-course-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted);margin:0 0 2px}.mob-drawer-course-title{font-size:.95rem;font-weight:700;color:var(--ink);margin:0}.mob-drawer-close{flex-shrink:0;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--border);background:var(--bg-alt);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.9rem;color:var(--ink-muted);line-height:1}.mob-drawer-close:hover{background:#fee2e2;border-color:#fca5a5;color:#dc2626}.mob-drawer-progress-row{flex-shrink:0;padding:10px 20px 6px;display:flex;align-items:center;gap:10px}.mob-drawer-progress-track{flex:1;height:6px;background:var(--bg-alt);border-radius:3px;border:1px solid var(--border);overflow:hidden}.mob-drawer-progress-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .4s ease}.mob-drawer-progress-label{font-size:.78rem;font-weight:600;color:var(--ink-muted);white-space:nowrap}.mob-drawer-nav{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:env(safe-area-inset-bottom,16px)}.mob-drawer-nav .pub-lesson-link--active{background:#eff6ff;border-left-color:var(--primary)}.pub-lesson-current-dot{flex-shrink:0;font-size:.5rem;color:var(--primary);margin-left:auto}.pub-lesson-link-title{flex:1}.mob-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--bg);border-top:1px solid var(--border);padding:8px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px));gap:6px;align-items:center;box-shadow:0 -2px 12px #00000014}.mob-bottom-btn{flex:1;display:flex;align-items:center;gap:4px;padding:8px 10px;border-radius:10px;background:var(--bg-alt);border:1.5px solid var(--border);color:var(--ink);text-decoration:none;font-size:.75rem;font-weight:600;min-width:0;transition:all .15s;max-width:36%}.mob-bottom-btn:hover:not(.mob-bottom-btn--disabled){background:var(--primary);color:#fff;border-color:var(--primary)}.mob-bottom-btn--disabled{opacity:.4;pointer-events:none;cursor:default}.mob-bottom-prev{justify-content:flex-start}.mob-bottom-next{justify-content:flex-end;flex-direction:row-reverse}.mob-bottom-arrow{flex-shrink:0;font-size:.95rem}.mob-bottom-label{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;direction:ltr}.mob-bottom-next .mob-bottom-label{text-align:right}.mob-bottom-center{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:0;padding:6px 14px;border-radius:999px;border:1.5px solid var(--primary);background:var(--primary);color:#fff;font:inherit;cursor:pointer;line-height:1.25;transition:all .15s}.mob-bottom-center:hover{background:#1d4ed8;border-color:#1d4ed8}.mob-bottom-count{font-size:.85rem;font-weight:800}.mob-bottom-all{font-size:.65rem;font-weight:600;opacity:.85}@media (max-width: 768px){.mob-progress-strip{display:flex}.mob-drawer-backdrop{display:block}.mob-lesson-drawer,.mob-bottom-nav{display:flex}.desk-only{display:none!important}.public-lesson-main{padding:16px 16px 100px!important}.public-lesson-layout{grid-template-columns:1fr!important}.public-lesson-title{font-size:1.4rem}.lesson-cta-card{flex-direction:column;align-items:flex-start}}@media (max-width: 400px){.mob-bottom-label{display:none}.mob-bottom-btn{max-width:52px;justify-content:center}.mob-bottom-btn.mob-bottom-next{flex-direction:row}}.pub-header{position:sticky;top:0;z-index:200;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:0 2px 10px #0000000f}.pub-header-bar{display:flex;align-items:center;height:58px;padding:0 24px;gap:16px;max-width:1400px;margin:0 auto}.pub-header-left{display:flex;align-items:center;gap:8px;flex-shrink:0}.pub-header-back{display:none;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-alt);border:1.5px solid var(--border);color:var(--ink);font-size:1rem;text-decoration:none;flex-shrink:0;transition:all .15s}.pub-header-back:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.pub-header-logo{display:flex;align-items:center;gap:6px;font-size:1.1rem;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.02em}.pub-header-logo span{color:var(--primary)}.pub-header-logo-img{height:34px;max-width:130px;-o-object-fit:contain;object-fit:contain;display:block}.pub-header-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}.pub-header-link{padding:6px 12px;border-radius:8px;font-size:.875rem;font-weight:500;color:var(--ink-muted);text-decoration:none;transition:all .15s;white-space:nowrap}.pub-header-link:hover{background:var(--bg-alt);color:var(--primary)}.pub-header-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.pub-header-auth{display:flex;align-items:center;gap:8px}.pub-header-hamburger{display:none;width:38px;height:38px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:8px;border:1.5px solid var(--border);background:var(--bg-alt);cursor:pointer;padding:0;flex-shrink:0}.pub-header-hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transform-origin:center;transition:all .25s ease}.pub-header-hamburger--open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.pub-header-hamburger--open span:nth-child(2){opacity:0;transform:scaleX(0)}.pub-header-hamburger--open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.pub-lesson-strip{display:none;align-items:center;padding:6px 14px;gap:10px;border-top:1px solid var(--border);background:var(--bg-alt);position:relative}.pub-lesson-strip-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.pub-lesson-strip-course{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pub-lesson-strip-lesson{font-size:.78rem;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pub-lesson-strip-btn{flex-shrink:0;padding:5px 12px;border-radius:999px;border:1.5px solid var(--primary);background:transparent;color:var(--primary);font:inherit;font-size:.75rem;font-weight:700;cursor:pointer;transition:all .15s;white-space:nowrap}.pub-lesson-strip-btn:hover{background:var(--primary);color:#fff}.pub-lesson-strip-track{position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--border)}.pub-lesson-strip-fill{height:100%;background:var(--primary);border-radius:0 2px 2px 0;transition:width .4s ease}.pub-mobile-menu{display:none;overflow:hidden;max-height:0;transition:max-height .3s cubic-bezier(.4,0,.2,1);border-top:1px solid var(--border);background:var(--bg)}.pub-mobile-menu--open{max-height:500px}.pub-mobile-nav{padding:8px 0}.pub-mobile-link{display:flex;align-items:center;gap:12px;padding:13px 20px;font-size:.95rem;font-weight:500;color:var(--ink);text-decoration:none;border-left:3px solid transparent;transition:all .15s}.pub-mobile-link:hover{background:var(--bg-alt);color:var(--primary);border-left-color:var(--primary)}.pub-mobile-icon{font-size:1.1rem;width:24px;text-align:center}.pub-mobile-auth{display:flex;gap:10px;padding:12px 20px 20px;border-top:1px solid var(--border)}@media (max-width: 768px){.pub-header-back,.pub-header-hamburger,.pub-lesson-strip{display:flex}.pub-mobile-menu{display:block}.pub-header-links,.pub-header-auth{display:none}.pub-header-bar{padding:0 14px;height:52px}.public-lesson-main{padding-top:8px!important}}@media (max-width: 380px){.pub-header-logo span{display:none}.pub-header-bar{padding:0 10px;gap:8px}}.lesson-nav-bar{display:flex;align-items:stretch;gap:10px;margin-bottom:28px}.lesson-nav-bar--bottom{margin-top:36px;margin-bottom:48px;padding-top:24px;border-top:1px solid var(--border)}.lesson-nav-btn{flex:1;display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;border:1.5px solid var(--border);background:var(--bg);color:var(--ink);text-decoration:none;transition:all .18s ease;min-width:0}.lesson-nav-btn:not(.lesson-nav-btn--disabled):hover{border-color:var(--primary);background:var(--bg-alt);box-shadow:0 2px 10px #3b82f61f;transform:translateY(-1px)}.lesson-nav-btn--next{justify-content:flex-end;text-align:right}.lesson-nav-btn--disabled{opacity:.38;cursor:default;pointer-events:none}.lesson-nav-arrow{flex-shrink:0;font-size:1.1rem;color:var(--primary);transition:transform .18s ease}.lesson-nav-btn:not(.lesson-nav-btn--disabled):hover .lesson-nav-arrow{transform:translate(-3px)}.lesson-nav-btn--next:not(.lesson-nav-btn--disabled):hover .lesson-nav-arrow{transform:translate(3px)}.lesson-nav-text{display:flex;flex-direction:column;gap:2px;min-width:0}.lesson-nav-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--primary)}.lesson-nav-title{font-size:.875rem;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-nav-counter{flex-shrink:0;align-self:center;padding:6px 14px;border-radius:999px;background:var(--bg-alt);border:1.5px solid var(--border);font-size:.8rem;font-weight:700;color:var(--ink-muted);white-space:nowrap}@media (max-width: 768px){.lesson-nav-bar--top{margin-bottom:20px}.lesson-nav-label{font-size:.65rem}.lesson-nav-title{font-size:.8rem}.lesson-nav-btn{padding:10px 12px;gap:8px;border-radius:10px}.lesson-nav-counter{padding:5px 10px;font-size:.75rem}}@media (max-width: 400px){.lesson-nav-text{display:none}.lesson-nav-btn{flex:0 0 48px;justify-content:center;border-radius:50%;padding:0;height:48px}.lesson-nav-counter{font-size:.7rem;padding:4px 8px}}.pub-strip-nav{display:flex;align-items:center;gap:6px;width:100%;min-width:0}.pub-strip-arrow{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;font-size:1rem;font-weight:700;color:var(--primary);background:var(--primary-light);border:1.5px solid var(--primary);text-decoration:none;transition:background .15s,color .15s;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.pub-strip-arrow:hover:not(.pub-strip-arrow--disabled){background:var(--primary);color:#fff}.pub-strip-arrow--disabled{opacity:.3;cursor:default;pointer-events:none}.cert-page{min-height:100vh;background:var(--bg-alt);display:flex;flex-direction:column;align-items:center;padding:32px 16px 64px;box-sizing:border-box}.cert-actions{display:flex;gap:12px;align-items:center;margin-bottom:28px;width:100%;max-width:860px}.cert-wrap{width:100%;max-width:860px}.cert-card{background:#fff;border-radius:16px;box-shadow:0 8px 48px #0000001f,0 2px 8px #0000000f;padding:0;overflow:hidden;position:relative;color:#1e1b4b;font-family:Georgia,Times New Roman,serif}.cert-bar{height:12px;background:linear-gradient(90deg,#4f46e5,#7c3aed,#c026d3,#4f46e5);background-size:200% 100%}.cert-bar--bottom{margin-top:40px}.cert-platform{display:flex;align-items:center;justify-content:center;gap:10px;margin:32px 0 8px}.cert-platform-logo{font-size:1.6rem;color:#4f46e5}.cert-platform-name{font-size:1.25rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#4f46e5;font-family:system-ui,sans-serif}.cert-brand-logo{height:56px;max-width:220px;-o-object-fit:contain;object-fit:contain;display:block;color:#4f46e5}.cert-seal{display:flex;align-items:center;justify-content:center}.cert-seal-logo{height:48px;max-width:120px;-o-object-fit:contain;object-fit:contain;opacity:.18;filter:grayscale(30%);color:#4f46e5}.cert-presents{text-align:center;font-size:.88rem;color:#64748b;letter-spacing:.06em;text-transform:uppercase;margin:0 0 4px;font-style:italic}.cert-heading{text-align:center;font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;margin:0 0 24px;color:#1e1b4b;letter-spacing:-.01em}.cert-awarded-to{text-align:center;font-size:.9rem;color:#64748b;margin:0 0 8px;font-style:italic}.cert-student{text-align:center;font-size:clamp(1.8rem,5vw,2.8rem);font-weight:700;margin:0 0 16px;color:#4f46e5;letter-spacing:-.02em;padding:0 24px;text-wrap:balance}.cert-divider{width:120px;height:2px;background:linear-gradient(90deg,transparent,#7c3aed,transparent);margin:0 auto 20px}.cert-body{text-align:center;font-size:.95rem;color:#475569;margin:0 0 10px}.cert-course{text-align:center;font-size:clamp(1.2rem,3vw,1.75rem);font-weight:700;color:#1e1b4b;margin:0 0 6px;padding:0 24px;text-wrap:balance}.cert-category{text-align:center;font-size:.83rem;color:#7c3aed;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin:0 0 32px;font-family:system-ui,sans-serif}.cert-meta-row{display:flex;align-items:center;justify-content:center;gap:32px;margin:0 24px 32px;padding:20px 24px;background:#f8f7ff;border-radius:12px;flex-wrap:wrap}.cert-meta-item{display:flex;flex-direction:column;align-items:center;gap:4px}.cert-meta-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:#64748b;font-family:system-ui,sans-serif}.cert-meta-value{font-size:1rem;font-weight:700;color:#1e1b4b;font-family:system-ui,sans-serif}.cert-meta-sub{font-size:.7rem;color:#6366f1;font-family:system-ui,sans-serif;font-style:italic}.cert-seal{font-size:2.5rem;color:#4f46e5;opacity:.3}.cert-sig-row{display:flex;justify-content:center;gap:64px;padding:0 40px 8px;flex-wrap:wrap}.cert-sig{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:160px}.cert-sig-line{width:140px;height:1.5px;background:#cbd5e1}.cert-sig-name{font-size:.9rem;font-weight:700;color:#1e1b4b;font-family:system-ui,sans-serif}.cert-sig-title{font-size:.75rem;color:#64748b;text-transform:uppercase;letter-spacing:.06em;font-family:system-ui,sans-serif}.cert-id{text-align:center;font-size:.7rem;color:#94a3b8;font-family:system-ui,sans-serif;letter-spacing:.04em;margin:16px 0 0}@media print{.no-print{display:none!important}.cert-page{background:#fff;padding:0}.cert-wrap{max-width:100%}.cert-card{box-shadow:none;border-radius:0}.cert-brand-logo,.cert-seal-logo{-webkit-print-color-adjust:exact;print-color-adjust:exact}@page{size:A4 landscape;margin:0}}@media (max-width:600px){.cert-sig-row{gap:32px}.cert-meta-row{gap:16px}.cert-actions{flex-direction:column;align-items:stretch}}.cert-id-row{display:flex;align-items:center;justify-content:center;gap:10px;margin:16px 0 0}.cert-copy-btn{font:inherit;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:6px;border:1.5px solid #cbd5e1;background:#f8fafc;color:#4f46e5;cursor:pointer;transition:all .15s}.cert-copy-btn:hover{background:#ede9fe;border-color:#7c3aed}.cert-share-panel{width:100%;max-width:860px;margin-top:32px;display:flex;flex-direction:column;gap:20px}.cert-share-heading{font-size:1.15rem;font-weight:700;color:var(--ink);margin:0 0 4px}.cert-share-row{display:flex;gap:16px;align-items:flex-start;background:var(--bg);border:1.5px solid var(--border);border-radius:14px;padding:18px;flex-wrap:wrap}.cert-share-preview{flex:1;min-width:220px}.cert-share-preview--wa{border-left:4px solid #25D366;padding-left:12px}.cert-share-preview--li{border-left:4px solid #0A66C2;padding-left:12px}.cert-share-preview--em{border-left:4px solid #4f46e5;padding-left:12px}.csp-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}.csp-icon{font-size:1.1rem;display:flex;align-items:center}.csp-label{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted)}.csp-mode-toggle{display:flex;border:1.5px solid var(--border);border-radius:8px;overflow:hidden;margin-left:auto}.csp-mode-btn{padding:4px 12px;font:inherit;font-size:.78rem;font-weight:600;background:none;border:none;cursor:pointer;color:var(--ink-muted);transition:all .15s;white-space:nowrap}.csp-mode-btn.active{background:#0a66c2;color:#fff}.csp-text{font-family:system-ui,sans-serif;font-size:.82rem;line-height:1.6;color:var(--ink);white-space:pre-wrap;word-break:break-word;margin:0;background:var(--bg-alt);border-radius:8px;padding:10px 12px;max-height:160px;overflow-y:auto}.csp-profile-info{background:var(--bg-alt);border-radius:8px;padding:10px 14px;font-size:.85rem;color:var(--ink)}.csp-profile-info p{margin:0 0 8px;color:var(--ink-muted)}.csp-profile-info ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px}.csp-profile-info li{color:var(--ink)}.csp-email-meta{font-size:.82rem;color:var(--ink-muted);margin-bottom:6px}@media (max-width:600px){.cert-share-row{flex-direction:column}.cert-share-row a,.cert-share-row button{width:100%;justify-content:center}.csp-mode-toggle{margin-left:0;margin-top:6px}}.dash-banner{background:linear-gradient(135deg,#0f172a,#1e293b);border-radius:var(--radius-lg);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px;position:relative;overflow:hidden}.dash-banner:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 55% 90% at 95% 50%,rgba(37,99,235,.22) 0%,transparent 65%);pointer-events:none}.dash-banner-left{position:relative;z-index:1}.dash-banner-greeting{font-size:13px;font-weight:500;letter-spacing:.04em;color:#ffffff80;margin-bottom:4px}.dash-banner-name{font-size:clamp(1.3rem,3vw,1.75rem);font-weight:700;color:#fff;margin:0 0 6px;line-height:1.2}.dash-banner-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.dash-banner-pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600;background:#ffffff1a;border:1px solid rgba(255,255,255,.15);color:#fffc}.dash-banner-right{position:relative;z-index:1}.dash-kpi-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-bottom:28px}.dash-kpi{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:18px 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