body{font-family:sans-serif;}header.site-header{position:sticky;top:0;z-index:1000;background:#ffffff;box-shadow:0 2px 6px rgba(0,0,0,0.05);display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 20px;}header .logo-container img{position:sticky;max-height:60px;}nav{position:sticky;top:60px;z-index:999;display:flex;justify-content:center;background:#f0f0f0;padding:10px;gap:20px;flex-wrap:wrap;border-bottom:1px solid #ddd;}nav a{color:#000;text-decoration:none;padding:6px 12px;border-radius:4px;transition:all 0.3s ease;}nav a:hover,nav a.active{background-color:#d0d0d0;color:#000;}main.container{background:url('background.jpg') no-repeat center center;background-size:cover;background-repeat:no-repeat;background-position:center center;padding:60px 20px;min-height:100vh;background-position:center top;background-repeat:no-repeat;background-size:cover;}.site-footer{background:#f0f0f0;color:#111;text-align:center;padding:10px 0;position:fixed;bottom:0;width:100%;font-size:0.9rem;box-shadow:0 -1px 4px rgba(0,0,0,0.05);}body{padding-bottom:20px;}main.container{min-height:100vh;background-position:center top;background-repeat:no-repeat;background-size:cover;.animate{opacity:0;transform:translateY(20px);transition:opacity 0.8s ease,transform 0.8s ease;}.animate.visible{opacity:1;transform:translateY(0);}.content-box{background:rgba(255,255,255,0.8);padding:30px;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,0.1);max-width:900px;margin:auto;}@media (max-width:768px){nav{position:sticky;top:60px;z-index:999;display:flex;justify-content:center;background:#f0f0f0;padding:10px;gap:20px;flex-wrap:wrap;border-bottom:1px solid #ddd;}.content-box{padding:20px;margin:10px;}}