body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;margin:0;padding:0;line-height:1.6;color:#333;background-color:#f8f9fa}header{background-color:#2c3e50;color:#fff;padding:0;box-shadow:0 2px 10px rgb(0 0 0 / .2);position:sticky;top:0;z-index:1000}.header-container{display:flex;justify-content:space-between;align-items:center;padding:0 20px;height:70px;max-width:1200px;margin:0 auto}.logo{display:flex;align-items:center;text-decoration:none}.logo-img{height:36px;margin-right:12px}.logo-text{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;font-size:24px;font-weight:700;color:#fff;margin:0}.logo-text span{color:#4a6bff}nav ul{list-style:none;display:flex;margin:0;padding:0;gap:15px;align-items:center}nav ul li{display:flex;align-items:center}nav ul li a{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;color:#fff;text-decoration:none;padding:8px 15px;font-weight:500;border-radius:8px;transition:all 0.3s ease;display:flex;align-items:center}nav ul li a:hover{background-color:rgb(255 255 255 / .1)}.dropdown{position:relative}.dropdown>a::after{content:"▾";margin-left:5px;font-size:.8em}.dropdown-content{display:none;position:absolute;background-color:#fff;min-width:220px;box-shadow:0 4px 6px rgb(0 0 0 / .1);z-index:1000;border-radius:8px;top:100%;left:0}.dropdown:hover .dropdown-content{display:block}.dropdown-content a{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;color:#333;padding:12px 20px;display:block;border-bottom:1px solid rgb(0 0 0 / .05);transition:all 0.3s ease}.dropdown-content a:hover{background-color:#e6ebff;color:#4a6bff}.mobile-menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:#fff;padding:10px}.main-content{padding:20px 40px;max-width:900px;margin:0 auto}h1,h2,h3{color:#2d3748}h1{font-size:2.2rem;margin-bottom:20px}h2{font-size:1.8rem;margin:30px 0 15px}p,li{color:#4a5568;margin-bottom:15px}a{color:#1b3dd6;text-decoration:none}a:hover{text-decoration:underline}.highlight{background:#e8f5e9;padding:15px;border-left:4px solid #4caf50;margin:20px 0}.cta{background:#3a4a8a;color:#fff;padding:15px;text-align:center;margin:30px 0;border-radius:5px}.cta a{color:#e6be0d;font-weight:700}.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:992px){.mobile-menu-btn{display:block}nav{position:fixed;top:70px;left:0;width:100%;background-color:#2c3e50;box-shadow:0 5px 10px rgb(0 0 0 / .2);max-height:0;overflow:hidden;transition:max-height 0.3s ease-out}nav.active{max-height:500px;padding:15px 0}nav ul{flex-direction:column;gap:5px;padding:0 20px;align-items:flex-start}nav ul li{width:100%}nav ul li a{display:block;padding:12px 15px;border-radius:5px;width:100%}.dropdown-content{position:static;box-shadow:none;display:none;background-color:rgb(0 0 0 / .1);margin-top:5px;margin-left:15px;width:calc(100% - 30px)}.dropdown:hover .dropdown-content{display:none}.dropdown.active .dropdown-content{display:block}.dropdown>a::after{content:"▸"}.dropdown.active>a::after{content:"▾"}.main-content{padding:15px 20px}h1{font-size:1.8rem}}