*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--color-black:#000;--color-body:#40464d;--color-secondary:#808285;--color-light-gray:#f5f5f5;--color-white:#fff;--color-footer-bg:rgba(0,0,0,.94);--color-accent:#81d742;--color-link-hover:#191970;--color-border:#eaeaea;--color-red:#c0392b;--max-width:1100px;--header-height:70px}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,sans-serif;color:var(--color-body);background:var(--color-white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--color-black);line-height:1.3;font-weight:700}h1{font-size:2.2rem;margin-bottom:1rem}h2{font-size:1.7rem;margin-top:2rem;margin-bottom:.75rem}h3{font-size:1.3rem;margin-top:1.5rem;margin-bottom:.5rem}a{color:var(--color-black);text-decoration:none;transition:color .2s 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ease;text-align:center}.btn-primary{background:var(--color-black);color:var(--color-white)}.btn-primary:hover{background:var(--color-link-hover);border-color:var(--color-link-hover);color:var(--color-white)}.btn-secondary{background:transparent;color:var(--color-black)}.btn-secondary:hover{background:var(--color-black);color:var(--color-white)}.page-hero{background:var(--color-light-gray);padding:60px 20px;text-align:center}.page-hero h1{font-size:2.4rem;margin-bottom:.5rem}.page-hero p{font-size:1.1rem;color:var(--color-secondary);max-width:700px;margin:0 auto}.article-content{max-width:800px;margin:0 auto;padding:40px 20px 60px}.article-content h2{padding-top:.5rem;border-bottom:2px solid var(--color-light-gray);padding-bottom:.5rem}.article-content h3{color:#333}.toc{background:var(--color-light-gray);border-left:4px solid var(--color-black);padding:20px 24px;margin:24px 0 32px}.toc-title{font-size:1.1rem;font-weight:700;margin-bottom:12px;color:var(--color-black)}.toc ul{list-style:none;padding:0;margin:0}.toc li{margin-bottom:6px}.toc a{color:var(--color-body);font-size:.95rem}.toc a:hover{color:var(--color-link-hover)}.toc .toc-h2{padding-left:0;font-weight:600}.toc .toc-h3{padding-left:16px}.faq-section{max-width:800px;margin:0 auto;padding:40px 20px 60px}.faq-section h2{text-align:center;margin-bottom:2rem;font-size:2rem}.faq-item{border-bottom:1px solid var(--color-border);padding:20px 0}.faq-item:last-child{border-bottom:none}.faq-question{font-size:1.1rem;font-weight:700;color:var(--color-black);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}.faq-question:after{content:"+";font-size:1.4rem;font-weight:300;flex-shrink:0;transition:transform .2s}.faq-item.open .faq-question:after{content:"−"}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.faq-item.open .faq-answer{max-height:1000px}.faq-answer-inner{padding-top:12px;color:var(--color-body);line-height:1.7}.faq-answer-inner p{margin-bottom:.8rem}.faq-answer-inner p:last-child{margin-bottom:0}.cta-banner{background:var(--color-black);color:var(--color-white);text-align:center;padding:60px 20px}.cta-banner h2{color:var(--color-white);margin-top:0;margin-bottom:1rem;font-size:2rem}.cta-banner p{color:hsla(0,0%,100%,.7);margin-bottom:1.5rem;font-size:1.1rem}.cta-banner .btn-primary{background:var(--color-white);color:var(--color-black);border-color:var(--color-white)}.cta-banner .btn-primary:hover{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-black)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:40px;gap:40px;padding:40px 0}.step{text-align:center}.step-number{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--color-black);color:var(--color-white);font-size:1.2rem;font-weight:700;margin-bottom:16px}.step h3{margin-top:8px;margin-bottom:8px}.step p{color:var(--color-secondary);font-size:.95rem}.features-list{list-style:none;padding:0}.features-list li{padding:8px 0 8px 28px;position:relative}.features-list li:before{content:"✓";position:absolute;left:0;color:var(--color-accent);font-weight:700}@media (max-width:768px){h1{font-size:1.8rem}h2{font-size:1.4rem}.page-hero{padding:40px 16px}.page-hero h1{font-size:1.9rem}.steps-grid{grid-template-columns:1fr;gap:24px}.article-content,.faq-section{padding:24px 16px 40px}table{display:block;overflow-x:auto;white-space:nowrap}.btn{padding:10px 20px;font-size:.95rem}}@media (max-width:480px){h1{font-size:1.5rem}.page-hero h1{font-size:1.6rem}}