.blog-post-container{max-width:1400px;margin:0 auto;padding:2rem;display:grid;grid-template-columns:3fr 1fr;gap:3rem;min-height:100vh}.blog-content{background:#fff;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1);overflow:hidden}.blog-hero{position:relative;height:400px;overflow:hidden}.blog-hero img{width:100%;height:100%;object-fit:cover}.blog-meta{padding:2rem;background:#fff}.blog-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;line-height:1.2;color:#0f172a;margin-top:1rem}.blog-info{gap:2rem;font-size:.9rem;color:#64748b;margin-bottom:1rem}.blog-info,.blog-info span{display:flex;align-items:center}.blog-info span{gap:.5rem}.blog-info span:before{content:"•";color:#cfd8e6}.blog-info span:first-child:before{display:none}.blog-body{padding:0 2rem 2rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.8;color:#0f172a}.blog-introduction{font-size:1.2rem;line-height:1.6;color:#475569;margin-bottom:2rem;padding:1.5rem;background:#f6f9fd;border-radius:8px;border-left:4px solid #3465b1;font-style:italic}.blog-section{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid #e6eaf0}.blog-section:last-child{border-bottom:none}.blog-section h3{font-size:1.5rem;font-weight:600;color:#0f172a;margin-bottom:1rem;scroll-margin-top:100px}.blog-section p{font-size:1rem;line-height:1.8;color:#475569;margin-bottom:1rem}.blog-conclusion{background:#e8eef8;border-radius:8px;padding:1.5rem;margin-top:2rem}.blog-conclusion h3{color:#2b5497;font-size:1.3rem;margin-bottom:1rem;font-weight:600}.blog-conclusion p{color:#3465b1;font-size:1rem;line-height:1.7;margin:0}.blog-sources{background:#f6f9fd;border:1px solid #e6eaf0;border-radius:8px;padding:1.5rem;margin-top:2rem}.blog-sources h3{color:#3465b1;font-size:1.3rem;margin-bottom:1rem;font-weight:600}.sources-list{list-style:none;padding:0;margin:0}.source-item{margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid #e6eaf0}.source-item:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.source-link{color:#3465b1;text-decoration:none;font-weight:600;font-size:1rem;transition:color .2s ease}.source-link:hover{color:#2b5497;text-decoration:underline}.source-description{margin:.5rem 0 0;color:#64748b;font-size:.9rem;line-height:1.5}.blog-sidebar{background:#f6f9fd;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1);height:fit-content;position:sticky;top:0}.sidebar-content{padding:2rem;transition:all .3s ease;height:100%}.sidebar-content.sidebar-fixed{position:sticky;top:2rem;max-height:calc(100vh - 4rem);overflow-y:auto}.sidebar-content.sidebar-scrolling{position:static;max-height:none;overflow-y:visible}.sidebar-section{margin-bottom:2rem}.sidebar-section:last-child{margin-bottom:0}.sidebar-section h3{font-size:1rem;font-weight:600;color:#0f172a;margin-bottom:1rem;text-transform:uppercase;letter-spacing:.5px}.table-of-contents{list-style:none;padding:0;margin:0}.table-of-contents li{margin-bottom:.5rem}.table-of-contents a{color:#64748b;text-decoration:none;font-size:.9rem;line-height:1.4;transition:all .2s ease;display:block;border-radius:4px;position:relative;padding:.5rem 0 .5rem 1rem}.table-of-contents a:before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;background:#cfd8e6;border-radius:50%;transform:translateY(-50%);transition:all .2s ease}.table-of-contents a.active,.table-of-contents a:hover{color:#3465b1;padding-left:1.5rem}.table-of-contents a.active:before,.table-of-contents a:hover:before{background:#3465b1;transform:translateY(-50%) scale(1.5)}.sidebar-tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{background:#3465b1;color:#fff;padding:.3rem .8rem;border-radius:15px;font-size:.8rem;text-decoration:none;transition:all .2s ease;font-weight:500}.tag:hover{background:#2b5497;transform:translateY(-1px)}.blog-nav{background:#fff;padding:1rem 2rem;position:sticky;top:0;z-index:1000;margin:1rem 2rem 0 0}.back-link{color:#3465b1;text-decoration:none;font-weight:500;font-size:.95rem;transition:color .2s ease;display:inline-flex;align-items:center;gap:.5rem;border-radius:10px;box-shadow:0 4px 20px rgba(0,0,0,.1);padding:.5rem 1rem}.back-link:hover{color:#2b5497}.not-found{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:3rem 2rem}.not-found h1{font-size:2.5rem;color:#0f172a;margin-bottom:1rem;font-weight:700}.not-found p{font-size:1.2rem;color:#64748b;margin-bottom:2rem;max-width:500px;line-height:1.6}.not-found button{padding:1rem 2rem;background:#3465b1;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.not-found button:hover{background:#2b5497;transform:translateY(-2px)}@media (max-width:1024px){.blog-post-container{grid-template-columns:1fr;gap:2rem;padding:1rem}.blog-sidebar{order:-1}.sidebar-content,.sidebar-content.sidebar-fixed,.sidebar-content.sidebar-scrolling{position:static;max-height:none;overflow-y:visible;padding:1.5rem}}@media (max-width:768px){.blog-post-container{padding:.5rem;gap:1rem}.blog-hero{height:250px}.blog-title{font-size:2rem}.blog-meta{padding:1.5rem}.blog-body{padding:0 1.5rem 1.5rem}.blog-info{flex-direction:column;align-items:flex-start;gap:.5rem}}@media (max-width:480px){.blog-hero{height:200px}.blog-title{font-size:1.75rem}.blog-meta{padding:1rem}.blog-body{padding:0 1rem 1rem}.blog-introduction{font-size:1.1rem;padding:1rem}}html{scroll-behavior:smooth}