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.footnotes ol{padding:0;margin:0;list-style:none;counter-reset:footnote-counter}.post-content .footnotes li{margin-bottom:.875rem;padding:.75rem 1rem;padding-left:2.5rem;line-height:1.65;position:relative;font-size:.875rem;color:var(--secondary)}.post-content .footnotes li::before{content:counter(footnote-counter);counter-increment:footnote-counter;position:absolute;left:0;top:.75rem;width:1.35rem;height:1.35rem;background:0 0;border:1.5px solid var(--tertiary);color:var(--tertiary);border-radius:var(--radius-sm);font-size:.7rem;font-weight:600;display:flex;align-items:center;justify-content:center;line-height:1;transition:all var(--duration-base)var(--ease-out)}.post-content .footnotes li:hover::before{border-color:var(--accent);color:var(--accent)}.post-content .footnotes li p{margin:0;line-height:1.6}.post-content .footnotes a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--duration-base)var(--ease-out),color var(--duration-base)var(--ease-out)}.post-content .footnotes a:hover{color:var(--accent-strong);border-bottom-color:var(--accent-strong)}.post-content sup a{color:var(--accent);font-size:.7em;font-weight:600;text-decoration:none;padding:.05em .35em;background:color-mix(in srgb,var(--accent) 8%,transparent);border-radius:3px;margin-left:1px;transition:background var(--duration-base)var(--ease-out)}.post-content sup a:hover{background:color-mix(in srgb,var(--accent) 15%,transparent)}.post-content sup a::before,.post-content sup a::after{content:none}.dark .post-content .footnotes li:hover{box-shadow:0 4px 12px rgba(0,0,0,.2)}.post-content details{margin:1.75rem 0;background:var(--entry);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:box-shadow var(--duration-base)var(--ease-out)}.post-content details:hover{box-shadow:var(--shadow-md)}.post-content details summary{padding:1rem 1.25rem;cursor:pointer;font-weight:500;color:var(--primary);list-style:none;display:flex;align-items:center;gap:.875rem;user-select:none;transition:background-color var(--duration-base)var(--ease-out)}.post-content details summary:hover{background:color-mix(in srgb,var(--accent) 4%,transparent)}.post-content details summary::-webkit-details-marker{display:none}.post-content details summary::before{content:'';width:20px;height:20px;flex-shrink:0;background:var(--primary);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpolyline points='9 18 15 12 9 6'/%3E%3C/svg%3E")center/contain no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpolyline points='9 18 15 12 9 6'/%3E%3C/svg%3E")center/contain no-repeat;transition:transform var(--duration-base)var(--ease-out)}.post-content details[open] summary::before{transform:rotate(90deg)}.post-content details>*:not(summary){padding:0 1.25rem 1.25rem;border-top:1px solid var(--border);background:linear-gradient(to bottom,color-mix(in srgb,var(--accent) 2%,transparent),transparent)}.post-content details>*:first-child:not(summary){padding-top:1.25rem}.post-content details .highlight{margin:1rem 0}.post-content details ul,.post-content details ol{margin:.75rem 0}.post-content details li{margin:.5rem 0;line-height:1.75}.dark .post-content details:hover{box-shadow:0 4px 16px rgba(0,0,0,.2)}.echarts-wrapper{margin:1.75rem 0}.echarts-container{background:var(--entry);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1rem;box-shadow:0 1px 3px rgba(0,0,0,4%);min-height:300px;position:relative}.echarts-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--secondary);font-size:.9rem}.dark .echarts-container{box-shadow:0 1px 3px rgba(0,0,0,.2)}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}}.post-content .table-wrapper{overflow-x:auto;margin:1.5rem 0;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.post-content table{width:100%;border-collapse:collapse;font-size:.95rem}.post-content thead{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 8%,transparent),color-mix(in srgb,var(--accent) 3%,transparent))}.post-content th{padding:.875rem 1rem;text-align:left;font-weight:600;color:var(--primary);border-bottom:2px solid color-mix(in srgb,var(--accent) 20%,transparent)}.post-content tbody tr{transition:background-color var(--duration-fast)var(--ease-out)}.post-content tbody tr:nth-child(odd){background:color-mix(in srgb,var(--accent) 2%,transparent)}.post-content tbody tr:hover{background:color-mix(in srgb,var(--accent) 6%,transparent)}.post-content td{padding:.75rem 1rem;border-bottom:1px solid var(--border)}.post-content tbody tr:last-child td{border-bottom:none}.post-content td a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--duration-base)var(--ease-out)}.post-content td a:hover{border-bottom-color:var(--accent)}::selection{background:color-mix(in srgb,var(--accent) 25%,transparent);color:inherit}::-moz-selection{background:color-mix(in srgb,var(--accent) 25%,transparent);color:inherit}:root{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--accent) 30%,transparent)transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--accent) 25%,transparent);border-radius:var(--radius-sm);border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--accent) 40%,transparent);background-clip:padding-box}.post-content a:not(.toc a):not(.code-copy-btn):not(.btn){color:var(--accent);text-decoration:none;background:linear-gradient(to bottom,transparent 60%,color-mix(in srgb,var(--accent) 15%,transparent) 60%);background-size:100% 200%;background-position:0 0;transition:background-position var(--duration-base)var(--ease-out),color var(--duration-base)var(--ease-out)}.post-content a:not(.toc a):not(.code-copy-btn):not(.btn):hover{background-position:0 100%}.dark .post-content a:not(.toc a):not(.code-copy-btn):not(.btn){color:var(--accent);background:linear-gradient(to bottom,transparent 60%,color-mix(in srgb,var(--accent) 15%,transparent) 60%);background-size:100% 200%;background-position:0 0}.post-content img{transition:transform var(--duration-slow)var(--ease-out),box-shadow var(--duration-slow)var(--ease-out);cursor:zoom-in}.post-content img:hover{transform:scale(1.02);box-shadow:var(--shadow-lg)}html{scroll-behavior:smooth}[id]{scroll-margin-top:5rem}.back-to-top{position:fixed;bottom:var(--space-xl);right:var(--space-xl);width:44px;height:44px;padding:0;border:1px solid var(--border);border-radius:50%;background:var(--entry);color:var(--primary);cursor:pointer;opacity:0;visibility:hidden;transition:opacity var(--duration-base)var(--ease-out),visibility var(--duration-base)var(--ease-out),transform var(--duration-base)var(--ease-out),box-shadow var(--duration-base)var(--ease-out);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;z-index:90}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.back-to-top:active{transform:translateY(-1px)}.back-to-top svg{width:20px;height:20px}.kbd{display:inline-block;padding:.2em .5em;font-family:inherit;font-size:.85em;color:var(--primary);background:var(--theme);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 1px 0 var(--border)}