:root{--vv-primary:#7c3aed;--vv-primary-dark:#6d28d9;--vv-primary-light:#8b5cf6;--vv-secondary:#ec4899;--vv-dark-bg:#0f0f12;--vv-card-bg:#18181b;--vv-border:#27272a;--vv-text:#f4f4f5;--vv-text-muted:#a1a1aa;--vv-success:#10b981;--vv-warning:#f59e0b;--vv-gradient:linear-gradient(135deg,#7c3aed,#ec4899)}*{box-sizing:border-box;margin:0;padding:0}.viral-video-page{background:var(--vv-dark-bg);color:var(--vv-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,sans-serif;line-height:1.5;overflow-x:hidden}.vv-container{max-width:1280px;margin:0 auto;padding:0 24px}.vv-breadcrumb{border-bottom:1px solid var(--vv-border);background:#18181bcc;padding:16px 24px;font-size:13px}.vv-breadcrumb ol{flex-wrap:wrap;gap:8px;max-width:1280px;margin:0 auto;list-style:none;display:flex}.vv-breadcrumb li:not(:last-child):after{content:"/";color:var(--vv-text-muted);margin-left:8px}.vv-breadcrumb a{color:var(--vv-primary-light);text-decoration:none}.vv-breadcrumb a:hover{text-decoration:underline}.vv-breadcrumb span{color:var(--vv-text-muted)}.vv-hero{text-align:center;background:radial-gradient(at 70% 30%,#7c3aed1f,#0000);padding:60px 0 48px}.vv-hero-badge{background:#7c3aed1f;border:1px solid #7c3aed40;border-radius:100px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 16px;font-size:13px;font-weight:500;display:inline-flex}.vv-hero-title{letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#a78bfa);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:16px;font-size:clamp(32px,5vw,56px);font-weight:800}.vv-hero-subtitle{color:var(--vv-text-muted);margin-top:8px;font-size:1.2rem;font-weight:400;display:block}.vv-hero-desc{max-width:720px;color:var(--vv-text-muted);margin:0 auto 32px;font-size:1.1rem}.vv-prompt-box{background:var(--vv-card-bg);border:1px solid var(--vv-border);text-align:left;border-radius:24px;max-width:800px;margin:0 auto 32px;padding:20px}.vv-prompt-header{-align-items:center;gap:10px;margin-bottom:16px;display:flex}.vv-prompt-header span:first-child{font-size:24px}.vv-prompt-header h3{font-size:1.1rem;font-weight:600}.vv-prompt-badge{background:var(--vv-warning);color:#000;border-radius:100px;margin-left:auto;padding:2px 8px;font-size:10px;font-weight:700}.vv-prompt-textarea{border:1px solid var(--vv-border);width:100%;color:var(--vv-text);resize:vertical;background:#1f1f23;border-radius:16px;padding:14px;font-family:inherit;font-size:14px;transition:border-color .2s}.vv-prompt-textarea:focus{border-color:var(--vv-primary);outline:none}.vv-prompt-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:16px;display:flex}.vv-prompt-suggestions{flex-wrap:wrap;gap:8px;display:flex}.vv-suggestion-chip{color:var(--vv-primary-light);cursor:pointer;background:#7c3aed1a;border:1px solid #7c3aed4d;border-radius:100px;padding:6px 14px;font-size:12px;font-weight:500;transition:all .2s}.vv-suggestion-chip:hover{background:#7c3aed33;transform:translateY(-1px)}.vv-generate-btn{background:var(--vv-gradient);color:#fff;cursor:pointer;border:none;border-radius:100px;align-items:center;gap:8px;padding:10px 24px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-flex}.vv-generate-btn:hover{transform:scale(1.02);box-shadow:0 4px 14px #7c3aed66}.vv-trust-badges{color:var(--vv-text-muted);flex-wrap:wrap;justify-content:center;gap:20px;margin-top:24px;font-size:13px;display:flex}.vv-definition{background:linear-gradient(#0000,#7c3aed0d);padding:48px 0}.vv-definition-box{background:var(--vv-card-bg);border-left:4px solid var(--vv-primary);border-radius:16px;padding:24px}.vv-definition-label{text-transform:uppercase;letter-spacing:1px;color:var(--vv-primary-light);margin-bottom:12px;font-size:12px;font-weight:700;display:block}.vv-definition-text{color:var(--vv-text-muted);font-size:1.05rem;line-height:1.6}.vv-why-section{padding:64px 0}.vv-section-intro{text-align:center;max-width:700px;color:var(--vv-text-muted);margin:0 auto 48px;font-size:1.05rem}.vv-why-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;display:grid}.vv-why-card{background:var(--vv-card-bg);border:1px solid var(--vv-border);border-radius:20px;padding:24px;transition:transform .2s,border-color .2s}.vv-why-card:hover{border-color:var(--vv-primary);transform:translateY(-4px)}.vv-why-icon{margin-bottom:16px;font-size:32px}.vv-why-card h3{margin-bottom:12px;font-size:1.2rem}.vv-why-card p{color:var(--vv-text-muted);line-height:1.6}.vv-formulas-section{background:#7c3aed08;padding:64px 0}.vv-formulas-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;display:grid}.vv-formula-card{background:var(--vv-card-bg);border:1px solid var(--vv-border);border-radius:20px;padding:24px}.vv-formula-header{align-items:center;gap:12px;margin-bottom:16px;display:flex}.vv-formula-num{background:var(--vv-gradient);border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.1rem;font-weight:800;display:inline-flex}.vv-formula-card h3{font-size:1.1rem}.vv-formula-example{color:var(--vv-text-muted);margin-bottom:16px;font-size:14px;line-height:1.5}.vv-formula-tip{color:var(--vv-success);background:#10b9811a;border-radius:12px;padding:10px;font-size:13px}.vv-steps-section{padding:64px 0}.vv-steps{flex-direction:column;gap:32px;max-width:800px;margin:0 auto 40px;display:flex}.vv-step{gap:20px;display:flex}.vv-step-number{background:var(--vv-gradient);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.3rem;font-weight:800;display:flex}.vv-step-content h3{margin-bottom:8px;font-size:1.2rem}.vv-step-content p{color:var(--vv-text-muted);margin-bottom:12px}.vv-step-content ul{color:var(--vv-text-muted);margin-bottom:12px;padding-left:20px}.vv-step-content li{margin-bottom:4px}.vv-step-example{border-left:3px solid var(--vv-primary);background:#7c3aed14;border-radius:12px;padding:12px;font-size:14px}.vv-steps-cta{text-align:center}.vv-steps-cta-btn{background:var(--vv-gradient);color:#fff;border-radius:100px;padding:12px 28px;font-weight:600;text-decoration:none;transition:transform .2s;display:inline-block}.vv-usecases-section{background:#7c3aed08;padding:64px 0}.vv-usecase-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;display:grid}.vv-usecase-card{background:var(--vv-card-bg);border:1px solid var(--vv-border);border-radius:20px;padding:24px}.vv-uc-icon{margin-bottom:16px;font-size:32px;display:block}.vv-usecase-card h3{margin-bottom:12px;font-size:1.1rem}.vv-usecase-card p{color:var(--vv-text-muted);margin-bottom:16px;line-height:1.6}.vv-uc-metrics{color:var(--vv-primary-light);background:#7c3aed1a;border-radius:12px;padding:8px 12px;font-size:12px}.vv-practices-section{padding:64px 0}.vv-practices-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.vv-practice-item{background:var(--vv-card-bg);border:1px solid var(--vv-border);border-radius:16px;padding:20px}.vv-practice-item h3{margin-bottom:8px;font-size:1rem}.vv-practice-item p{color:var(--vv-text-muted);font-size:14px;line-height:1.5}.vv-mistakes-section{background:#7c3aed08;padding:64px 0}.vv-mistakes-list{flex-direction:column;gap:16px;max-width:800px;margin:0 auto;display:flex}.vv-mistake{background:var(--vv-card-bg);border:1px solid var(--vv-border);border-radius:16px;align-items:flex-start;gap:12px;padding:16px;display:flex}.vv-mistake-num{color:var(--vv-warning);flex-shrink:0;font-weight:700}.vv-mistake p{color:var(--vv-text-muted)}.vv-advanced-section{padding:64px 0}.vv-advanced-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;display:grid}.vv-advanced-card{background:linear-gradient(135deg,#7c3aed14,#ec48990a);border:1px solid #7c3aed33;border-radius:20px;padding:24px}.vv-advanced-card h3{margin-bottom:12px;font-size:1.1rem}.vv-advanced-card p{color:var(--vv-text-muted);font-size:14px;line-height:1.6}.vv-faq-section{background:#7c3aed08;padding:64px 0}.vv-faq-grid{grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px;display:grid}.vv-faq-item{background:var(--vv-card-bg);border:1px solid var(--vv-border);border-radius:16px;padding:20px}.vv-faq-item h3{color:var(--vv-primary-light);margin-bottom:12px;font-size:1rem}.vv-faq-item p{color:var(--vv-text-muted);font-size:14px;line-height:1.6}.vv-final-cta-section{padding:64px 0}.vv-final-cta-card{background:var(--vv-gradient);text-align:center;color:#fff;border-radius:32px;padding:48px 32px}.vv-final-icon{margin-bottom:16px;font-size:48px;display:block}.vv-final-cta-card h2{margin-bottom:16px;font-size:1.8rem}.vv-final-cta-card p{opacity:.9;max-width:600px;margin:0 auto 24px}.vv-final-cta-btn{color:var(--vv-primary);background:#fff;border-radius:100px;margin-bottom:24px;padding:14px 32px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-block}.vv-final-cta-btn:hover{transform:scale(1.02);box-shadow:0 8px 24px #0003}.vv-final-features{opacity:.9;flex-wrap:wrap;justify-content:center;gap:16px;font-size:13px;display:flex}.vv-internal-links{border-top:1px solid var(--vv-border);background:#0003;padding:48px 0}.vv-internal-links h3{text-align:center;color:var(--vv-text-muted);margin-bottom:24px;font-size:1.1rem}.vv-links-grid{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.vv-internal-link{color:var(--vv-primary-light);background:#7c3aed14;border-radius:100px;padding:6px 12px;font-size:14px;text-decoration:none;transition:background .2s}.vv-internal-link:hover{background:#7c3aed33;text-decoration:underline}@media (max-width:768px){.vv-container{padding:0 16px}.vv-hero{padding:40px 0 32px}.vv-step{flex-direction:column;gap:12px}.vv-step-number{width:40px;height:40px;font-size:1rem}.vv-final-cta-card{padding:32px 20px}.vv-final-cta-card h2{font-size:1.4rem}}