:root{--primary:#3182ce;--secondary:#2b6cb0;--light:#f8f9fa;--dark-gray:#2d3748;--highlight-bg:#e8f5e9;--highlight-border:#4caf50}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--dark-gray);background-color:var(--light);margin:0;padding:0}.main-content{padding:20px 40px;max-width:900px;margin:0 auto}h1,h2,h3{color:var(--secondary)}h1{font-size:2.2rem;margin-bottom:20px}h2{font-size:1.8rem;margin:30px 0 15px}h3{font-size:1.4rem;margin:25px 0 10px}p,li{color:var(--dark-gray);margin-bottom:15px}a{color:var(--primary);text-decoration:none;font-weight:500}a:hover{text-decoration:underline}.highlight{background:var(--highlight-bg);color:var(--dark-gray);padding:15px;border-left:4px solid var(--highlight-border);margin:20px 0}ul,ol{padding-left:20px}li{margin-bottom:8px}.cta{background:linear-gradient(135deg,rgb(56 182 255 / .15) 0%,rgb(104 213 106 / .15) 100%);color:#2c3e50;padding:18px 25px;text-align:center;margin:30px 0;border-radius:8px;box-shadow:0 3px 10px rgb(0 0 0 / .1);border:2px solid rgb(104 213 106 / .3);backdrop-filter:blur(4px)}.cta a{color:#2980b9;text-decoration:none;font-weight:600;padding:5px 0;border-bottom:2px solid rgb(41 128 185 / .3);transition:all 0.2s ease}.cta a:hover{color:#1a5276;border-bottom-color:#2980b9}@media (prefers-color-scheme:dark){.cta{background:linear-gradient(135deg,rgb(56 182 255 / .2) 0%,rgb(104 213 106 / .2) 100%);color:#ecf0f1;border-color:rgb(104 213 106 / .5)}.cta a{color:#3498db}.cta a:hover{color:#5dade2}}.back-link{color:#fff;text-decoration:none;display:inline-block;margin:0 0 20px;transition:all 0.3s ease;font-size:20px;background-color:#242d54;padding:8px 16px;border-radius:4px;box-shadow:0 4px 6px rgb(0 0 0 / .1)}.back-link:hover{color:#fff;text-decoration:none;background-color:#2d3748;transform:translateY(-2px)}@media (max-width:768px){.main-content{padding:15px 20px}h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.2rem}}