.post-layout{position:relative}.post-header{margin-bottom:3rem;text-align:center}.post-header .post-title{font-size:2.2rem;font-weight:800;margin:1rem 0;line-height:1.35;letter-spacing:-.02em}.post-header .post-meta{justify-content:center;font-size:1rem;color:var(--text-muted);display:flex;gap:1rem}.post-header .tags{justify-content:center;margin-top:1.5rem}.prose{font-size:1.1rem;line-height:1.8;color:var(--text-color);margin-top:2rem}.prose h1,.prose h2,.prose h3,.prose h4{color:var(--text-color);scroll-margin-top:80px}.prose h1{display:none}.prose h2{font-size:1.6rem;font-weight:700;margin-top:3.5rem;margin-bottom:1rem;letter-spacing:-.01em}.prose h3{font-size:1.3rem;font-weight:700;margin-top:2.5rem;margin-bottom:1rem}.prose p{margin-bottom:1.5rem;word-break:keep-all}.prose img{max-width:100%;height:auto;border-radius:12px;margin:2rem 0;box-shadow:0 4px 15px var(--shadow-color);display:block}.prose a.lightbox{display:block;margin:2rem 0;cursor:zoom-in}.prose a.lightbox img{margin:0}.lightbox-dialog{border:0;padding:0;background:transparent;max-width:95vw;max-height:95vh;overflow:visible}.lightbox-dialog::backdrop{background:#000000d9}.lightbox-dialog img{max-width:95vw;max-height:95vh;width:auto;height:auto;object-fit:contain;display:block;border-radius:4px}.lightbox-close{position:absolute;top:-3rem;right:0;width:2.5rem;height:2.5rem;border:0;background:#ffffff1a;color:#fff;font-size:1.8rem;line-height:1;border-radius:50%;cursor:pointer}.lightbox-close:hover{background:#fff3}.prose blockquote{margin:2rem 0;padding:1.2rem 1.5rem;border-left:4px solid var(--accent-color);background-color:var(--hover-bg);border-radius:0 8px 8px 0;font-style:italic;color:var(--text-muted)}.prose ul,.prose ol{margin-bottom:1.5rem;padding-left:1.5rem}.prose li{margin-bottom:.5rem}.prose code{background-color:var(--hover-bg);padding:.2em .4em;border-radius:4px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;border:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease}.prose .table-wrapper{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--border-color);border-radius:8px;position:relative}.prose .table-scroll-hint{display:none;text-align:center;font-size:.75rem;color:var(--text-muted);padding:.4rem 0 0}.prose .table-scroll-hint.visible{display:block}.prose table{width:100%;border-collapse:collapse;font-size:.9rem}.prose thead{background-color:transparent}.prose th{font-weight:700;text-align:left;padding:.6rem .8rem;border-bottom:2px solid var(--border-color);white-space:nowrap}.prose td{padding:.5rem .8rem;border-bottom:1px solid var(--border-color)}.prose tr:last-child td{border-bottom:none}.prose th:has(+th),.prose td:has(+td){border-right:1px solid var(--border-color)}.prose pre{padding:1.5rem!important;border-radius:8px!important;border:1px solid var(--border-color)!important;overflow-x:auto;margin-bottom:1.5rem}.prose pre code{background-color:transparent;border:none;padding:0;color:inherit}.toc-list,.toc-list ul{list-style:none;padding-left:0;margin:0;counter-reset:toc-counter;line-height:1.6}.toc-list ul{padding-left:1rem;margin-top:.2rem}.toc-list li{margin-bottom:.15rem;position:relative}.toc-list li:last-child{margin-bottom:0}.toc-list li:before{counter-increment:toc-counter;content:counters(toc-counter,".") ". ";font-size:.8em;color:var(--accent-color);font-weight:700;margin-right:.2rem;opacity:.8}.toc-list a{text-decoration:none;color:var(--text-muted);font-size:.9rem;transition:all .2s;display:inline-block}.toc-list a:hover{color:var(--accent-color)}.toc-list a.active{color:var(--accent-color);font-weight:700;transform:translate(4px)}.toc-top{background-color:var(--toc-bg);border-radius:12px;margin:2rem 0;border:1px solid var(--border-color);transition:all .3s ease;overflow:hidden}.toc-top summary{display:flex;align-items:center;justify-content:space-between;padding:.8rem 1rem;cursor:pointer;user-select:none;list-style:none;background-color:transparent;transition:background-color .2s ease}.toc-top summary::-webkit-details-marker{display:none}.toc-top summary:hover{background-color:#00000005}[data-theme=dark] .toc-top summary:hover{background-color:#ffffff08}.toc-top h3{margin:0;font-size:1rem;font-weight:700;color:var(--text-color);display:flex;align-items:center;gap:.5rem}.toc-top h3:before{content:"📚";font-size:1.2em}.toc-top .chevron{color:var(--text-muted);transition:transform .3s cubic-bezier(.4,0,.2,1)}.toc-top[open] .chevron{transform:rotate(-180deg)}.toc-top-content{padding:.5rem 1rem .1rem;border-top:1px dashed transparent}.toc-top[open] .toc-top-content{border-top-color:var(--border-color);animation:slideDown .3s ease-out forwards}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1250px){.toc-top{display:none}}.sidebar-pc{display:none}@media(min-width:1250px){.sidebar-pc{display:block;position:absolute;top:0;left:-280px;width:240px;height:100%}.sidebar-pc-inner{position:sticky;top:2rem;padding-right:1rem;border-right:1px dashed var(--border-color);max-height:calc(100vh - 4rem);overflow-y:auto}.sidebar-pc-inner::-webkit-scrollbar{width:4px}.sidebar-pc-inner::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.sidebar-pc h3{font-size:1rem;color:var(--text-color);margin-top:0;margin-bottom:1rem}}.mobile-toc-fab{position:fixed;bottom:2rem;right:2rem;background-color:var(--accent-color);color:#fff;width:3.5rem;height:3.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px #4a90e266;cursor:pointer;z-index:100;border:none;font-size:1.5rem;transition:transform .2s}.mobile-toc-fab:active{transform:scale(.9)}.mobile-toc-panel{position:fixed;bottom:6.5rem;right:2rem;width:250px;max-width:calc(100vw - 4rem);background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;box-shadow:0 10px 30px var(--shadow-color);z-index:99;opacity:0;pointer-events:none;transform:translateY(10px);transition:all .3s cubic-bezier(.25,.8,.25,1);max-height:60vh;overflow-y:auto}.mobile-toc-panel.active{opacity:1;pointer-events:auto;transform:translateY(0)}.mobile-toc-panel h3{margin-top:0;margin-bottom:1rem;font-size:1.1rem;color:var(--text-color);border-bottom:1px solid var(--border-color);padding-bottom:.5rem}@media(min-width:1250px){.mobile-toc-fab,.mobile-toc-panel{display:none!important}}