.dd-single-main{padding:40px 0}.dd-single-header{max-width:900px;margin:0 auto 40px;text-align:center}.dd-single-category{font-family:var(--font-ui);font-size:.85rem;text-transform:uppercase;letter-spacing:2px;font-weight:700;margin-bottom:20px}.dd-single-category a{color:var(--dd-text-main);text-decoration:none;border-bottom:1px solid #fff0;transition:border-color var(--transition-speed)}.dd-single-category a:hover{border-color:var(--dd-text-main)}.dd-single-title{font-family:var(--font-heading);font-size:3.5rem;line-height:1.1;color:var(--dd-text-main);margin-bottom:20px}.dd-single-subhead{font-family:var(--font-heading);font-size:1.4rem;color:var(--dd-text-muted);font-style:italic;margin-bottom:30px}.dd-single-byline{display:inline-flex;gap:20px;font-family:var(--font-ui);font-size:.9rem;text-transform:uppercase;border-top:1px solid var(--exp-border);border-bottom:1px solid var(--exp-border);padding:10px 20px}.byline-date{color:var(--dd-text-muted)}.dd-single-featured-media{margin:0 auto 40px;max-width:1000px}.dd-single-featured-media img{width:100%;height:auto;display:block;border:1px solid var(--exp-border)}.dd-media-caption{font-family:var(--font-ui);font-size:.85rem;color:var(--dd-text-muted);text-align:right;padding-top:8px;border-bottom:1px solid var(--exp-border);padding-bottom:8px}.dd-single-layout{display:grid;grid-template-columns:1fr 300px;gap:50px;max-width:1100px;margin:0 auto}.dd-single-content{font-family:var(--font-heading);font-size:1.2rem;line-height:1.8;color:var(--dd-text-main)}.dd-single-content>p:first-of-type::first-letter{float:left;font-size:5rem;line-height:.8;padding:10px 15px 10px 0;font-weight:700;color:var(--dd-text-main)}.dd-single-content p{margin-bottom:25px}.dd-single-content h2,.dd-single-content h3{margin-top:40px;margin-bottom:15px}.dd-single-content blockquote{font-family:var(--font-heading);font-size:1.8rem;font-style:italic;text-align:center;margin:40px auto;padding:30px 0;border-top:2px solid var(--dd-text-main);border-bottom:2px solid var(--dd-text-main);color:var(--dd-text-main);max-width:80%}.dd-single-content a{color:var(--dd-primary);text-decoration:underline;text-underline-offset:4px}.dd-single-sidebar{border-left:1px solid var(--exp-border);padding-left:40px}.dd-section-header{border-top:2px solid var(--dd-text-main);border-bottom:1px solid var(--dd-text-main);padding:5px 0;margin-bottom:20px}.dd-section-header h2{font-family:var(--font-ui);font-size:.9rem;text-transform:uppercase;font-weight:700;letter-spacing:1px;margin:0}.dd-related-article{margin-bottom:20px;border-bottom:1px solid var(--exp-border);padding-bottom:20px}.related-title{font-family:var(--font-heading);font-size:1.2rem;line-height:1.3;margin-bottom:8px}.related-title a{color:var(--dd-text-main);text-decoration:none;transition:color var(--transition-speed)}.related-title a:hover{color:var(--dd-primary)}.related-meta{font-family:var(--font-ui);font-size:.8rem;text-transform:uppercase;color:var(--dd-text-muted)}@media screen and (max-width:900px){.dd-single-title{font-size:2.5rem}.dd-single-layout{grid-template-columns:1fr}.dd-single-sidebar{border-left:none;padding-left:0;border-top:4px solid var(--dd-text-main);padding-top:40px;margin-top:40px}}.dd-post-author-box{display:flex;align-items:center;gap:20px;margin-top:60px;padding-top:30px;border-top:2px solid var(--dd-text-main);border-bottom:1px solid var(--exp-border);padding-bottom:30px}.post-author-avatar img{border-radius:50%;width:80px;height:80px;object-fit:cover;border:1px solid var(--exp-border);filter:grayscale(100%);transition:filter var(--transition-speed)}.dd-post-author-box:hover .post-author-avatar img{filter:grayscale(0%)}.post-author-info{flex:1}.post-author-name{font-family:var(--font-heading);font-size:1.5rem;line-height:1.2;margin-bottom:5px;margin-top:0}.post-author-name .author-label{font-family:var(--font-ui);font-size:.75rem;text-transform:uppercase;color:var(--dd-text-muted);display:block;letter-spacing:1px;margin-bottom:2px}.post-author-name a{color:var(--dd-text-main);text-decoration:none;transition:color var(--transition-speed)}.post-author-name a:hover{color:var(--dd-primary)}.post-author-bio{font-family:var(--font-ui);font-size:.95rem;color:var(--dd-text-muted);line-height:1.5;margin:0}@media screen and (max-width:600px){.dd-post-author-box{flex-direction:column;text-align:center}}html{scroll-behavior:smooth}.dd-single-content h2{scroll-margin-top:80px}.dd-toc-container{position:fixed;bottom:100px;left:30px;z-index:9998;width:380px;background:rgb(255 255 255 / .97);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid var(--exp-border,#eaeaea);border-left:4px solid var(--dd-text-main,#333333);padding:15px 20px;box-shadow:0 4px 20px rgb(0 0 0 / .12);border-radius:12px;margin:0;transition:all 0.3s ease;overflow:hidden}.dd-toc-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--exp-border);padding-bottom:10px;margin-bottom:10px;cursor:pointer}.dd-toc-header:hover .dd-toc-title,.dd-toc-header:hover .dd-toc-btn{color:var(--dd-primary)}.dd-single-content .dd-toc-container .dd-toc-title{font-family:var(--font-ui);font-size:.85rem;text-transform:uppercase;font-weight:700;letter-spacing:1px;margin:0!important;padding:0!important;line-height:1.2;color:var(--dd-text-main);transition:color 0.2s ease}.dd-toc-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--exp-border);padding-bottom:10px;margin-bottom:10px;cursor:pointer}.dd-toc-btn{display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--dd-text-main);font-size:1rem;cursor:pointer;padding:0;transition:transform 0.3s ease,color 0.2s ease}.dd-toc-list{list-style:none;padding-left:0;margin:0;max-height:calc(45vh - 60px);overflow-y:auto}.dd-toc-list::-webkit-scrollbar{width:4px}.dd-toc-list::-webkit-scrollbar-thumb{background:var(--exp-border,#ccc);border-radius:4px}.dd-toc-list li{margin-bottom:10px;font-family:var(--font-heading);font-size:1.05rem;line-height:1.3}.dd-toc-list li:last-child{margin-bottom:0}.dd-toc-list li a{color:var(--dd-text-main);text-decoration:none;border-bottom:1px dotted #fff0;transition:color 0.2s,border-color 0.2s}.dd-toc-list li a:hover{color:var(--dd-primary);border-bottom-color:var(--dd-primary)}.dd-toc-container.is-collapsed{padding-bottom:15px;background:rgb(255 255 255 / .8)}.dd-toc-container.is-collapsed .dd-toc-list{display:none}.dd-toc-container.is-collapsed .dd-toc-header{border-bottom:none;margin-bottom:0;padding-bottom:0}.dd-toc-container.is-collapsed .dd-toc-btn i{transform:rotate(-90deg)}@media screen and (max-width:768px){.dd-toc-container{width:310px;bottom:20px;left:15px;padding:12px 15px}.dd-toc-title{font-size:.75rem;line-height:1.2}.dd-toc-list li{font-size:.95rem}.dd-toc-list{max-height:calc(35vh - 50px)}.dd-toc-container.is-collapsed{padding-bottom:12px}}