:root{--gzn-presentation-bg:#f6f8fc;--gzn-presentation-surface:#ffffff;--gzn-presentation-text:#0d1324;--gzn-presentation-muted:#5b6475;--gzn-presentation-border:#e6ecf5;--gzn-presentation-radius:18px;--gzn-presentation-shadow:0 4px 24px rgba(13, 18, 37, 0.08);--gzn-presentation-max-width:920px}.presentation-page{background:var(--gzn-presentation-bg);color:var(--gzn-presentation-text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;overflow-x:hidden}.presentation-container{max-width:var(--gzn-presentation-max-width);margin:0 auto;padding:0 20px}.presentation-content{padding:48px 0 60px}.presentation-title{font-size:28px;font-weight:900;color:var(--gzn-presentation-text);margin:0 0 32px;line-height:1.2}.presentation-section{background:var(--gzn-presentation-surface);border-radius:var(--gzn-presentation-radius);padding:28px;box-shadow:var(--gzn-presentation-shadow);border:1px solid var(--gzn-presentation-border);margin-bottom:20px}.presentation-section:last-child{margin-bottom:0}.presentation-section h2{font-size:22px;font-weight:800;color:var(--gzn-presentation-text);margin:0 0 16px;line-height:1.3}.presentation-section p{font-size:15px;color:var(--gzn-presentation-text);line-height:1.7;margin:0 0 14px}.presentation-section p:last-child{margin-bottom:0}.presentation-section ol,.presentation-section ul{font-size:15px;color:var(--gzn-presentation-text);line-height:1.7;margin:0 0 14px;padding-left:24px}.presentation-section li{margin-bottom:8px}.presentation-section li:last-child{margin-bottom:0}.presentation-section a{color:var(--gzn-color-primary,#1877f2);text-decoration:underline}.presentation-section a:hover{text-decoration:none}.presentation-section strong{font-weight:700}.presentation-footer{margin-top:0}@media (min-width:768px){.presentation-title{font-size:34px}.presentation-section{padding:36px}.presentation-section p,.presentation-section ol,.presentation-section ul{font-size:16px}}