:root{--green-dark:#1b5e20;--green-primary:#2e7d32;--green-medium:#43a047;--green-light:#66bb6a;--green-pale:#e8f5e9;--orange-accent:#e65100;--orange-light:#ff8f00;--gray-900:#1a1a1a;--gray-700:#424242;--gray-500:#757575;--gray-300:#e0e0e0;--gray-100:#f5f5f5;--white:#fff;--max-width:900px;--header-height:70px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--gray-900);background:var(--white);line-height:1.7;font-size:17px}a{color:var(--green-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--green-dark)}img{max-width:100%;height:auto}.site-header{background:var(--green-dark);color:var(--white);position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px;justify-content:space-between;height:var(--header-height)}.header-inner,.logo-link{display:flex;align-items:center}.logo-link{gap:10px;color:var(--white);font-weight:700;font-size:1.2rem}.logo-link:hover{color:var(--green-light)}.logo-svg{width:40px;height:40px}.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.5rem;cursor:pointer;padding:8px}.main-nav{display:flex;gap:4px}.main-nav a{color:hsla(0,0%,100%,.9);padding:8px 14px;border-radius:6px;font-size:.9rem;font-weight:500;transition:background .2s,color .2s}.main-nav a:hover{background:hsla(0,0%,100%,.15);color:var(--white)}@media (max-width:768px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--green-dark);flex-direction:column;padding:10px 20px 20px;border-top:1px solid hsla(0,0%,100%,.1);box-shadow:0 4px 12px rgba(0,0,0,.2)}.main-nav.open{display:flex}.main-nav a{padding:12px 14px;font-size:1rem}}.page-wrapper{min-height:calc(100vh - var(--header-height) - 200px)}.container{max-width:var(--max-width);margin:0 auto;padding:40px 20px}.hero{background:linear-gradient(135deg,var(--green-dark) 0,var(--green-primary) 100%);color:var(--white);padding:60px 20px;text-align:center}.hero h1{font-size:2.4rem;margin-bottom:16px;line-height:1.2}.hero p{font-size:1.15rem;opacity:.92;max-width:650px;margin:0 auto 24px}.hero-cta{display:inline-block;background:var(--orange-accent);padding:14px 32px;border-radius:8px;font-weight:700;font-size:1.05rem;transition:background .2s,transform .2s}.hero-cta,.hero-cta:hover{color:var(--white)!important}.hero-cta:hover{background:var(--orange-light);transform:translateY(-1px)}.section{padding:50px 20px}.section-alt{background:var(--gray-100)}.section-green{background:var(--green-pale)}.section-inner{max-width:var(--max-width);margin:0 auto}.section h2{font-size:1.8rem;color:var(--green-dark);margin-bottom:20px;line-height:1.3}.section h3{font-size:1.3rem;color:var(--green-primary);margin-bottom:12px}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:24px;gap:24px;margin-top:24px}.service-card{background:var(--white);border-radius:12px;padding:28px;box-shadow:0 2px 12px rgba(0,0,0,.06);border:1px solid var(--gray-300);transition:box-shadow .2s,transform .2s}.service-card:hover{box-shadow:0 4px 20px rgba(0,0,0,.1);transform:translateY(-2px)}.service-card h3{margin-bottom:10px}.service-card p{color:var(--gray-700);font-size:.95rem}.service-icon{font-size:2rem;margin-bottom:12px}.article-header{background:linear-gradient(135deg,var(--green-dark) 0,var(--green-primary) 100%);color:var(--white);padding:50px 20px;text-align:center}.article-header h1{font-size:2rem;line-height:1.3}.article-content,.article-header h1{max-width:var(--max-width);margin:0 auto}.article-content{padding:40px 20px}.article-content h2{font-size:1.6rem;color:var(--green-dark);margin:36px 0 16px;padding-top:12px}.article-content h3{font-size:1.25rem;color:var(--green-primary);margin:28px 0 12px}.article-content p{margin-bottom:16px;color:var(--gray-700)}.article-content ol,.article-content ul{margin:0 0 16px 24px;color:var(--gray-700)}.article-content li{margin-bottom:6px}.article-content strong{color:var(--gray-900)}.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.95rem}.article-content th{background:var(--green-dark);color:var(--white);padding:12px 16px;text-align:left;font-weight:600}.article-content td{padding:10px 16px;border-bottom:1px solid var(--gray-300)}.article-content tr:nth-child(2n){background:var(--gray-100)}.toc{background:var(--green-pale);border:1px solid #c8e6c9;border-radius:10px;padding:20px 24px;margin-bottom:32px}.toc-title{font-weight:700;color:var(--green-dark);margin-bottom:12px;font-size:1.05rem}.toc ul{list-style:none;margin:0;padding:0}.toc li{margin-bottom:6px}.toc a{color:var(--green-primary);font-size:.95rem}.toc a:hover{color:var(--green-dark);text-decoration:underline}.toc .toc-h3{padding-left:18px}.faq-section{max-width:var(--max-width);margin:0 auto;padding:40px 20px}.faq-section h2{font-size:1.8rem;color:var(--green-dark);margin-bottom:24px;text-align:center}.faq-item{border:1px solid var(--gray-300);border-radius:10px;margin-bottom:12px;overflow:hidden}.faq-question{width:100%;background:var(--white);border:none;padding:18px 20px;font-size:1rem;font-weight:600;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--gray-900);transition:background .2s}.faq-question:hover{background:var(--green-pale)}.faq-arrow{font-size:.8rem;transition:transform .2s;color:var(--green-primary)}.faq-item.open .faq-arrow{transform:rotate(180deg)}.faq-answer{display:none;padding:0 20px 18px;color:var(--gray-700);font-size:.95rem;line-height:1.7}.faq-item.open .faq-answer{display:block}.faq-answer p{margin-bottom:10px}.faq-answer p:last-child{margin-bottom:0}.cta-banner{background:linear-gradient(135deg,var(--green-primary) 0,var(--green-dark) 100%);color:var(--white);text-align:center;padding:50px 20px}.cta-banner h2{color:var(--white);margin-bottom:12px;font-size:1.8rem}.cta-banner p{opacity:.9;margin-bottom:20px;font-size:1.05rem}.site-footer{background:var(--gray-900);color:hsla(0,0%,100%,.8);padding:40px 20px 20px}.footer-inner{max-width:var(--max-width);margin:0 auto}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:32px;gap:32px;margin-bottom:32px}.footer-col h4{color:var(--white);font-size:1rem;margin-bottom:14px}.footer-col ul{list-style:none}.footer-col li{margin-bottom:8px}.footer-col a{color:hsla(0,0%,100%,.7);font-size:.9rem;transition:color .2s}.footer-col a:hover{color:var(--green-light)}.footer-col p{font-size:.9rem;line-height:1.6}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.1);padding-top:20px;text-align:center;font-size:.85rem;color:hsla(0,0%,100%,.5)}.not-found{text-align:center;padding:80px 20px}.not-found h1{font-size:5rem;color:var(--green-primary);margin-bottom:10px}.not-found h2{font-size:1.6rem;color:var(--gray-700);margin-bottom:16px}.not-found p{color:var(--gray-500);margin-bottom:24px}.not-found a{display:inline-block;background:var(--green-primary);color:var(--white)!important;padding:12px 28px;border-radius:8px;font-weight:600}.not-found a:hover{background:var(--green-dark)}.related-articles{margin-top:40px;padding-top:32px;border-top:1px solid var(--gray-300)}.related-articles h3{font-size:1.3rem;color:var(--green-dark);margin-bottom:16px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.related-card{padding:16px;background:var(--green-pale);border-radius:8px;transition:background .2s}.related-card:hover{background:#c8e6c9}.related-card h4{font-size:.95rem;color:var(--green-dark);line-height:1.4}@media (max-width:600px){.hero h1{font-size:1.7rem}.hero p{font-size:1rem}.article-header h1{font-size:1.5rem}.section h2{font-size:1.4rem}.article-content h2{font-size:1.35rem}.footer-grid,.services-grid{grid-template-columns:1fr}.container{padding:24px 16px}}