body{color:#222;font-family:sans-serif;line-height:1.5;margin:1rem auto;padding:0 1rem}header{border-bottom:1px solid #222;margin-bottom:1rem}a{color:#00e;text-decoration:none}.back-to-top{position:fixed;bottom:-60px;right:30px;width:40px;height:40px;border-radius:50%;background-color:#fff;color:#222;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 5px rgba(0,0,0,.2);transition:all .3s ease;opacity:0;z-index:998;border:1px solid #ccc}.back-to-top.visible{bottom:30px;opacity:1}.back-to-top:hover{transform:scale(1.15);background-color:#007bff;color:#fff}.site-footer{border-top:1px solid #eee;margin-top:2rem;padding:1rem 0;text-align:center;font-size:.9em;color:#666}.site-footer .container{margin:0 auto;padding:0 1rem}.site-footer p{margin:.25rem 0}.site-footer a{color:#007bff;text-decoration:none}.site-footer a:hover{text-decoration:underline}@media(min-width:992px){body{padding:0 2rem}.site-footer .container{padding:0 2rem}}.post-card{border:1px solid #ccc;border-radius:15px;padding:1rem;margin-bottom:1.5rem;background-color:#fff;box-shadow:0 2px 4px rgba(0,0,0,.1)}.post-card a{}.post-card h2{margin-top:0}