.seo-content{max-width:1200px;padding:2rem 1rem;background:hsla(0,0%,100%,.02);border-radius:12px;margin:0 auto 2rem}.seo-hero{text-align:center;margin-bottom:3rem}.seo-h1{font-size:2.5rem;color:#fff;margin-bottom:1rem;font-weight:700;line-height:1.2;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.seo-description{font-size:1.2rem;color:#e0e0e0;line-height:1.6;max-width:800px;margin:0 auto}.seo-features{margin-bottom:3rem}.seo-features h2{font-size:2rem;color:#fff;text-align:center;margin-bottom:2rem;font-weight:600}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-top:2rem}.feature-item{background:hsla(0,0%,100%,.05);padding:1.5rem;border-radius:8px;border:1px solid hsla(0,0%,100%,.1);transition:transform .3s ease,background .3s ease}.feature-item:hover{transform:translateY(-2px);background:hsla(0,0%,100%,.08)}.feature-item h3{color:#fff;font-size:1.2rem;margin-bottom:.8rem;font-weight:600}.feature-item p{color:#ccc;line-height:1.5;font-size:.95rem}.seo-popular{background:hsla(0,0%,100%,.03);padding:2rem;border-radius:8px;border:1px solid hsla(0,0%,100%,.1)}.seo-popular h2{font-size:1.8rem;color:#fff;margin-bottom:1rem;font-weight:600}.seo-popular p{color:#e0e0e0;line-height:1.6;font-size:1.1rem}@media (max-width:768px){.seo-content{padding:1.5rem .8rem;margin-bottom:1.5rem}.seo-h1{font-size:1.8rem;margin-bottom:.8rem}.seo-description{font-size:1rem}.seo-features h2{font-size:1.6rem;margin-bottom:1.5rem}.feature-grid{grid-template-columns:1fr;gap:1rem}.feature-item{padding:1.2rem}.feature-item h3{font-size:1.1rem}.seo-popular{padding:1.5rem}.seo-popular h2{font-size:1.5rem}.seo-popular p{font-size:1rem}}:root.dark-mode .seo-content{background:rgba(0,0,0,.3)}:root.dark-mode .feature-item,:root.dark-mode .seo-popular{background:rgba(0,0,0,.2);border:1px solid hsla(0,0%,100%,.05)}