:root{--primary:#2ea39b;--primary-dark:#1d7b74;--primary-light:#4ecdc4;--accent:#f4c561;--accent-dark:#e0a832;--footer-bg:#1d4e4b;--text:#2d3748;--text-light:#4a5568;--bg:#fff;--bg-alt:#f0faf9;--bg-gray:#f7f8f8;--border:#d1e8e6;--border-light:#e8f4f3;--white:#fff;--max-width:800px;--max-width-wide:1100px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Georgia,Times New Roman,serif;color:var(--text);background:var(--bg);line-height:1.75;font-size:17px}h1,h2,h3,h4,h5,h6{font-family:Arial,Helvetica Neue,sans-serif;font-weight:700;color:var(--primary-dark);line-height:1.3}h1{font-size:2.1rem;margin-bottom:.5rem}h2{font-size:1.55rem;margin-top:2rem;margin-bottom:.75rem}h3{font-size:1.25rem;margin-top:1.5rem;margin-bottom:.5rem}h4{font-size:1.05rem;margin-top:1.25rem;margin-bottom:.4rem}p{margin-bottom:1.2rem}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-dark);text-decoration:underline}ol,ul{padding-left:1.5rem;margin-bottom:1.2rem}li{margin-bottom:.3rem}strong{color:var(--primary-dark)}hr{border:none;border-top:2px solid var(--border-light);margin:2rem 0}table{width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:.95rem}th{background:var(--primary);color:var(--white);padding:.6rem 1rem;text-align:left}td{padding:.55rem 1rem;border-bottom:1px solid var(--border-light)}tr:nth-child(2n) td{background:var(--bg-alt)}.site-header{background:var(--primary-dark);box-shadow:0 2px 8px rgba(0,0,0,.15);position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-inner{max-width:var(--max-width-wide);margin:0 auto;padding:0 1.5rem;justify-content:space-between;height:68px}.header-inner,.site-logo{display:flex;align-items:center}.site-logo{gap:.65rem;text-decoration:none;color:var(--white)}.site-logo:hover{color:var(--accent);text-decoration:none}.site-logo svg{flex-shrink:0}.logo-text{display:flex;flex-direction:column;line-height:1.2}.logo-title{font-size:1.1rem;font-weight:700;color:var(--white);letter-spacing:.01em}.logo-sub,.logo-title{font-family:Arial,sans-serif}.logo-sub{font-size:.7rem;color:var(--primary-light);letter-spacing:.04em;text-transform:uppercase}.main-nav ul{list-style:none;padding:0;margin:0;display:flex;gap:.2rem}.main-nav a{display:block;padding:.4rem .85rem;color:hsla(0,0%,100%,.9);font-family:Arial,sans-serif;font-size:.88rem;font-weight:600;text-decoration:none;border-radius:4px;transition:background .2s,color .2s}.main-nav a.active,.main-nav a:hover{background:hsla(0,0%,100%,.12);color:var(--accent);text-decoration:none}.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:all .3s}.mobile-nav{display:none;background:var(--primary-dark);border-top:1px solid hsla(0,0%,100%,.1)}.mobile-nav.open{display:block}.mobile-nav ul{list-style:none;padding:.5rem 1rem 1rem;margin:0}.mobile-nav a{display:block;padding:.55rem .5rem;color:hsla(0,0%,100%,.9);font-family:Arial,sans-serif;font-size:.95rem;font-weight:600;border-bottom:1px solid hsla(0,0%,100%,.07);text-decoration:none}.mobile-nav a:hover{color:var(--accent);text-decoration:none}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}.main-content{max-width:var(--max-width);padding:2.5rem 1.5rem 3rem}.main-content,.main-content-wide{flex:1 1;margin:0 auto;width:100%}.main-content-wide{max-width:var(--max-width-wide);padding:0 1.5rem 3rem}.hero{background:linear-gradient(135deg,var(--primary-dark) 0,var(--primary) 60%,#3dbdb5 100%);color:var(--white);padding:4rem 1.5rem;text-align:center}.hero-inner{max-width:720px;margin:0 auto}.hero h1{color:var(--white);font-size:2.4rem;margin-bottom:.75rem;text-shadow:0 1px 3px rgba(0,0,0,.3)}.hero p{color:hsla(0,0%,100%,.9);font-size:1.15rem;margin-bottom:1.5rem}.hero-badge{font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;padding:.3rem .9rem;border-radius:20px;margin-bottom:1.2rem}.btn,.hero-badge{display:inline-block;background:var(--accent);color:var(--primary-dark);font-family:Arial,sans-serif;font-weight:700}.btn{font-size:.95rem;padding:.7rem 1.6rem;border-radius:6px;transition:background .2s,transform .15s;margin:.25rem}.btn,.btn:hover{text-decoration:none}.btn:hover{background:var(--accent-dark);color:var(--primary-dark);transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--white);border:2px solid hsla(0,0%,100%,.6)}.btn-outline:hover{background:hsla(0,0%,100%,.1);color:var(--white)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:1.25rem;gap:1.25rem;margin:2rem 0}.card{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:1.5rem;transition:box-shadow .2s,transform .2s;color:inherit;display:block}.card,.card:hover{text-decoration:none}.card:hover{box-shadow:0 4px 20px rgba(46,163,155,.15);transform:translateY(-2px)}.card-icon{font-size:2rem;margin-bottom:.75rem;display:block}.card h3{color:var(--primary-dark);font-size:1.05rem;margin-top:0;margin-bottom:.4rem}.card p{color:var(--text-light);font-size:.9rem;margin:0}.section-alt{background:var(--bg-alt);padding:3rem 1.5rem}.section-white{background:var(--white);padding:3rem 1.5rem}.section-inner{max-width:var(--max-width-wide);margin:0 auto}.section-title{text-align:center;font-size:1.7rem;color:var(--primary-dark);margin-bottom:.5rem}.section-subtitle{text-align:center;color:var(--text-light);margin-bottom:2rem}.article-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:2px solid var(--border-light)}.article-meta{font-family:Arial,sans-serif;font-size:.85rem;color:var(--text-light);margin-top:.5rem}.article-meta time{font-weight:600}.article-body h2{color:var(--primary-dark);border-bottom:1px solid var(--border-light);padding-bottom:.3rem}.article-body h3{color:var(--primary)}.toc-box{background:var(--bg-alt);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:6px;padding:1.25rem 1.5rem;margin-bottom:2rem}.toc-title{font-family:Arial,sans-serif;font-size:.9rem;font-weight:700;color:var(--primary-dark);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}.toc-list{list-style:none;padding:0;margin:0}.toc-list li{margin-bottom:.3rem}.toc-list a{color:var(--primary);font-family:Arial,sans-serif;font-size:.9rem;text-decoration:none}.toc-list a:hover{color:var(--primary-dark);text-decoration:underline}.toc-h3{padding-left:1rem}.faq-section{margin-top:3rem;padding-top:2rem;border-top:2px solid var(--border-light)}.faq-title{font-size:1.55rem;color:var(--primary-dark);margin-bottom:1.5rem}.faq-item{border:1px solid var(--border);border-radius:8px;margin-bottom:.75rem;overflow:hidden}.faq-question{width:100%;background:var(--bg-alt);border:none;padding:1rem 1.25rem;text-align:left;font-family:Arial,sans-serif;font-size:1rem;font-weight:600;color:var(--primary-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:.5rem;transition:background .2s}.faq-question:hover{background:var(--border-light)}.faq-question.open{background:var(--primary);color:var(--white)}.faq-chevron{flex-shrink:0;width:18px;height:18px;border-right:2px solid;border-bottom:2px solid;transform:rotate(45deg);transition:transform .2s;margin-top:-4px}.faq-question.open .faq-chevron{transform:rotate(-135deg);margin-top:4px}.faq-answer{display:none;padding:1rem 1.25rem 1.25rem;background:var(--white)}.faq-answer.open{display:block}.faq-answer p{margin-bottom:.75rem}.faq-answer p:last-child{margin-bottom:0}.breadcrumb{font-family:Arial,sans-serif;font-size:.82rem;color:var(--text-light);margin-bottom:1.5rem}.breadcrumb a{color:var(--primary)}.breadcrumb span{margin:0 .3rem;color:var(--border)}.site-footer{background:var(--footer-bg);color:hsla(0,0%,100%,.85);padding:3rem 1.5rem 1.5rem;margin-top:auto}.footer-inner{max-width:var(--max-width-wide);margin:0 auto}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:2.5rem;gap:2.5rem;margin-bottom:2rem}.footer-brand .site-logo{color:var(--white);margin-bottom:.75rem;display:inline-flex}.footer-desc{font-size:.88rem;color:hsla(0,0%,100%,.65);line-height:1.6}.footer-col h4{color:var(--white);font-family:Arial,sans-serif;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.75rem}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col ul li{margin-bottom:.4rem}.footer-col ul a{color:hsla(0,0%,100%,.7);font-family:Arial,sans-serif;font-size:.88rem;text-decoration:none;transition:color .2s}.footer-col ul a:hover{color:var(--accent);text-decoration:none}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.1);padding-top:1.25rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;font-family:Arial,sans-serif;font-size:.8rem;color:hsla(0,0%,100%,.45)}.footer-bottom a{color:hsla(0,0%,100%,.55)}.footer-bottom a:hover{color:var(--accent)}.highlight-box{background:var(--bg-alt);border-left:4px solid var(--primary);border-radius:0 6px 6px 0;padding:1.25rem 1.5rem;margin:1.5rem 0}.highlight-box p{margin:0}.post-tag{display:inline-block;background:var(--bg-alt);color:var(--primary);font-family:Arial,sans-serif;font-size:.78rem;font-weight:600;padding:.2rem .65rem;border-radius:20px;border:1px solid var(--border);margin-right:.3rem;margin-bottom:.3rem}@media (max-width:768px){body{font-size:16px}h1{font-size:1.7rem}h2{font-size:1.3rem}.hero h1{font-size:1.8rem}.hero p{font-size:1rem}.hero{padding:2.5rem 1rem}.nav-toggle{display:flex}.main-nav{display:none}.footer-grid{grid-template-columns:1fr;gap:1.5rem}.footer-bottom{flex-direction:column;text-align:center}.cards-grid{grid-template-columns:1fr}.main-content{padding:2rem 1rem 2.5rem}}@media (min-width:769px){.mobile-nav{display:none!important}}