:root{--body-bg: #eeeeee;--card-solid: #ffffff;--card-bg: var(--card-solid);--theme-color: #222222;--menu-item-bg: #f5f5f5;--orange: #fc6423;--shadow-inner: 0 2px 2px 0 rgba(0, 0, 0, .12), 0 3px 1px -2px rgba(0, 0, 0, .06), 0 1px 5px 0 rgba(0, 0, 0, .12);--shadow: var(--shadow-inner), 0 -1px .5px 0 rgba(0, 0, 0, .09);--text: #222222;--text-body: #555555;--text-soft: #666666;--text-muted: #9a9a9a;--text-faint: #bbbbbb;--border: #e5e5e5;--border-strong: #d6d6d6;--rule: #eeeeee;--link-rule: #999999;--chip-bg: rgba(0, 0, 0, .06);--mark-bg: #ffe58a;--inset-bg: var(--body-bg);--pill-hover: var(--card-solid);--dot-color: var(--text);--toc-highlight: #d9561e;--toc-link: var(--text-body);--sweep: rgba(0, 0, 0, .07);--link-color: #555555;--link-hover-color: #222222;--accent: #167ac6;--accent-hover: #0f5a94;--code-inline-bg: #f2f4f8;--code-inline-color: #c7254e;--fill: #fafafa;--fill-alt: #fcfcfc;--fill-hover: #f2f2f2;--fill-selected: #eaf3fb;--btn-bg: transparent;--btn-color: #555555;--btn-border: #555555;--btn-hover-bg: #222222;--btn-hover-color: #ffffff;--btn-hover-border: #222222;--corner-bg: #222222;--sidebar-width: 240px;--sidebar-offset: 12px;--content-width: 768px;--layout-width: calc(var(--sidebar-width) + var(--sidebar-offset) + var(--content-width));--layout-shift: -17px;--layout-left: max(10px, calc((100% - var(--layout-width)) / 2 + var(--layout-shift)));--card-padding: 24px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "WenQuanYi Micro Hei", sans-serif;--font-mono: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace;--radius: 3px;--ease: cubic-bezier(.22, .61, .36, 1);--ease-soft: cubic-bezier(.4, 0, .2, 1);--t-fast: .14s;--t-base: .22s;--t-view: .3s;--stagger: 18ms;--t-next: .2s ease-in-out}:root[data-bg=on]{--rule: rgba(0, 0, 0, .1);--border: rgba(0, 0, 0, .12);--border-strong: rgba(0, 0, 0, .16);--fill: rgba(255, 255, 255, .5);--fill-alt: rgba(255, 255, 255, .3);--fill-hover: rgba(0, 0, 0, .06);--menu-item-bg: rgba(0, 0, 0, .07);--inset-bg: rgba(0, 0, 0, .06);--pill-hover: rgba(0, 0, 0, .1);--dot-color: var(--theme-color);--card-bg: rgba(255, 255, 255, .65);--theme-color: #1d2b4f;--btn-hover-bg: #1d2b4f;--btn-hover-border: #1d2b4f;--corner-bg: #1d2b4f;--text-muted: #4f5d75;--text-faint: #6f7c93;--shadow-inner: 0 3px 6px 0 rgba(0, 0, 0, .22), 0 4px 2px -2px rgba(0, 0, 0, .1), 0 2px 12px 0 rgba(0, 0, 0, .2);--shadow: var(--shadow-inner), 0 -1px 1px 0 rgba(0, 0, 0, .12)}:root:not([data-bg=on])[data-theme=dark]{color-scheme:dark;--body-bg: #282828;--card-solid: #333333;--theme-color: #222222;--menu-item-bg: #555555;--shadow-inner: 0 2px 2px 0 rgba(0, 0, 0, .3), 0 3px 1px -2px rgba(0, 0, 0, .15), 0 1px 5px 0 rgba(0, 0, 0, .3);--text: #eeeeee;--text-body: #cccccc;--text-soft: #bbbbbb;--text-muted: #999999;--text-faint: #777777;--border: #444444;--border-strong: #555555;--rule: #444444;--link-rule: #777777;--chip-bg: rgba(255, 255, 255, .08);--mark-bg: rgba(250, 200, 60, .35);--toc-highlight: #ffffff;--toc-link: #8a8a8a;--dot-color: #dddddd;--sweep: rgba(255, 255, 255, .08);--link-color: #cccccc;--link-hover-color: #eeeeee;--accent: #5aa9e6;--accent-hover: #9ccaf0;--code-inline-bg: #3d3f4b;--code-inline-color: #f08aa6;--fill: #3a3a3a;--fill-alt: #363636;--fill-hover: #444444;--fill-selected: #2c4254;--btn-bg: transparent;--btn-color: #cccccc;--btn-border: #777777;--btn-hover-bg: #666666;--btn-hover-color: #eeeeee;--btn-hover-border: #666666;--corner-bg: #666666}body,.header,.sidebar-inner,.post-block,.pagination{transition:background-color .3s ease-in-out,color .3s ease-in-out}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--body-bg);color:var(--text-body);font-family:var(--font-sans);font-size:15px;line-height:1.8}a{color:var(--text);text-decoration:none}a:hover{color:var(--text)}img{max-width:100%;height:auto}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@keyframes rise-in{0%{opacity:0;transform:translateY(var(--rise, 6px))}to{opacity:1;transform:none}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.link-rule{background-image:linear-gradient(currentColor,currentColor);background-position:0 100%;background-repeat:no-repeat;background-size:0% 1px;transition:background-size var(--t-base) var(--ease-soft),color var(--t-fast) var(--ease)}.link-rule:hover,.link-rule:focus-visible{background-size:100% 1px}.sweep{transition:background-color var(--t-next)}.sweep:hover,.sweep:focus-visible{background:var(--sweep)}.site{min-height:100vh}.site-bg{background:center / cover no-repeat;top:0;right:0;bottom:0;left:0;opacity:0;position:fixed;transition:opacity .3s ease-in-out;z-index:-1}html[data-bg=on] .site-bg{background-image:url(/background.jpg);opacity:1}.headband{background:var(--theme-color);height:3px;position:sticky;top:0;z-index:20}.topbar{display:none}.main{align-items:stretch;display:flex;justify-content:space-between;margin:0 0 0 var(--layout-left);max-width:calc(100% - 20px);width:var(--layout-width)}.column{flex:0 0 var(--sidebar-width);width:var(--sidebar-width)}@media(min-width:992px){.column{align-self:flex-start;display:flex;flex-direction:column;max-height:calc(100vh - 3px - var(--sidebar-offset));position:sticky;top:3px}.column .header{flex:0 0 auto}.column .sidebar{display:flex;flex:0 1 auto;flex-direction:column;min-height:0;position:static}.column .sidebar-inner{max-height:none;min-height:0}}.header{background:var(--card-bg);box-shadow:var(--shadow-inner)}.site-brand-container{background:var(--theme-color);display:flex;flex-shrink:0;padding:0 10px}a.site-brand-container,a.site-brand-container:hover{border-bottom:0;color:#fff}.site-meta{flex-grow:1;line-height:2;padding:34px 0 30px;text-align:center}.site-title{font-size:22px;font-weight:700;line-height:1.5;margin:0}.site-subtitle{color:#ddd;font-size:13px;margin:10px 10px 0}.menu{line-height:2;list-style:none;margin:0;padding:16px 0}.menu-item{display:block;margin:0}.menu-item a{align-items:center;border-bottom:0;color:var(--text-body);display:flex;font-size:13px;padding:5px 20px;position:relative;transition:background-color var(--t-next)}.menu-item a:hover,.menu-item a.menu-item-active{background:var(--menu-item-bg);color:var(--text-body)}.menu-item .fa-icon{height:1em;margin-right:8px;width:1.25em}.sidebar{position:sticky;top:var(--sidebar-offset)}.sidebar-inner{background:var(--card-bg);color:var(--text-body);display:flex;flex-direction:column;font-size:16px;justify-content:center;line-height:2;box-shadow:var(--shadow);margin-top:var(--sidebar-offset);max-height:calc(100vh - 2 * var(--sidebar-offset));padding:18px 10px;text-align:center}.sidebar-inner a{border-bottom:1px solid var(--link-rule);color:var(--text-body)}.sidebar-inner a:hover{border-bottom-color:var(--text);color:var(--text)}.sidebar-nav{font-size:.875em;height:0;list-style:none;margin:0;overflow:hidden;padding-left:0;pointer-events:none;transition:height var(--t-next),visibility var(--t-next);visibility:hidden}.sidebar-nav-active .sidebar-nav{height:calc(2em + 1px);pointer-events:unset;visibility:unset}.sidebar-nav li{border-bottom:1px solid transparent;color:var(--text-body);cursor:pointer;display:inline-block;transition:border-bottom-color var(--t-next),color var(--t-next)}.sidebar-nav li.sidebar-nav-overview{margin-left:10px}.sidebar-nav li:hover{color:var(--toc-highlight)}.sidebar-toc-active .sidebar-nav-toc,.sidebar-overview-active .sidebar-nav-overview{border-bottom-color:var(--toc-highlight);color:var(--toc-highlight);transition-delay:.2s}.sidebar-panel-container{align-items:start;display:grid;flex:1;overflow-x:hidden;overflow-y:auto;padding-top:0;transition:padding-top var(--t-next)}.sidebar-nav-active .sidebar-panel-container{padding-top:20px}.sidebar-panel{animation:deactivate-sidebar-panel .2s ease-in-out;grid-area:1 / 1;height:0;opacity:0;overflow:hidden;pointer-events:none;transform:translateY(0);transition:opacity var(--t-next),transform var(--t-next),visibility var(--t-next);transition-delay:0s;visibility:hidden}.sidebar-nav-active .sidebar-panel,.sidebar-overview-active .sidebar-panel.post-toc-wrap{transform:translateY(-20px)}.sidebar-overview-active:not(.sidebar-nav-active) .sidebar-panel.post-toc-wrap{transition-delay:0s,.2s,0s}.sidebar-overview-active .sidebar-panel.site-overview-wrap,.sidebar-toc-active .sidebar-panel.post-toc-wrap{animation-name:activate-sidebar-panel;height:auto;opacity:1;pointer-events:unset;transform:translateY(0);transition-delay:.2s,.2s,0s;visibility:unset}.sidebar-panel.site-overview-wrap{display:flex;flex-direction:column;gap:10px;justify-content:flex-start}@keyframes deactivate-sidebar-panel{0%{height:var(--inactive-panel-height, 0)}to{height:var(--active-panel-height, 0)}}@keyframes activate-sidebar-panel{0%{height:var(--inactive-panel-height, auto)}to{height:var(--active-panel-height, auto)}}.post-toc{font-size:.875em}.post-toc ol{list-style:none;margin:0;padding:0 2px 0 10px;text-align:left}.post-toc ol>:last-child{margin-bottom:5px}.post-toc ol>ol{padding-left:0}.post-toc ol a{transition:all var(--t-next)}.post-toc .nav-item{line-height:1.8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.post-toc .nav .nav-child{--height: 0;height:0;opacity:0;overflow:hidden;transition:height var(--t-next),opacity var(--t-next),visibility var(--t-next);visibility:hidden}.post-toc .nav .active>.nav-child{height:var(--height, auto);opacity:1;visibility:unset}.post-toc .nav a{color:var(--toc-link)}.post-toc .nav .active>a{border-bottom-color:var(--toc-highlight);color:var(--toc-highlight)}.post-toc .nav .active-current>a,.post-toc .nav .active-current>a:hover{color:var(--toc-highlight)}.sidebar-inner a.post-toc-title{border-bottom:1px solid var(--rule);color:var(--text);display:block;font-size:15px;font-weight:600;line-height:1.5;margin:0 2px 8px 10px;padding-bottom:8px;text-align:left;transition:color var(--t-next)}.sidebar-inner a.post-toc-title:hover{border-bottom-color:var(--rule);color:var(--toc-highlight)}.post-toc .katex{font-size:1em}.site-author-image{border:1px solid var(--rule);border-radius:50%;display:inline-block;height:auto;max-width:96px;padding:2px;vertical-align:middle}.sidebar-inner a.site-author{border-bottom:0;display:block}.site-author-image{transition:box-shadow var(--t-next)}.site-author:hover .site-author-image{box-shadow:0 2px 10px #0000002e}.site-author-name{color:var(--text-body);font-weight:600;margin:0;transition:color var(--t-next)}.site-author:hover .site-author-name{color:var(--text)}.site-state{display:flex;flex-wrap:wrap;justify-content:center;line-height:1.4}.site-state-item{padding:0 10px}.site-state-item a{border-bottom:0;display:block}.site-state-item-count{display:block;font-size:16px;font-weight:600}.site-state-item-name{color:var(--text-muted);font-size:13px}.back-to-top{background:var(--inset-bg);font-size:12px;margin:-4px -10px -18px;opacity:0;transition:bottom var(--t-next),margin-top var(--t-next)}.back-to-top.back-to-top-on{cursor:pointer;margin-top:16px;opacity:.6}.back-to-top.back-to-top-on:hover{opacity:.8}.back-to-top .fa-icon{height:1em;vertical-align:-.125em;width:24px}.back-to-top span{margin-right:8px}.main-inner{min-width:0;width:calc(100% - var(--sidebar-width) - var(--sidebar-offset))}.post-block{background:var(--card-bg);box-shadow:var(--shadow-inner);padding:var(--card-padding)}.post-block+.post-block,.post-block+.pagination{box-shadow:var(--shadow);margin-top:var(--sidebar-offset)}.drawer-mask{display:none}.site-footer{color:var(--text-muted);font-size:14px;margin:0 0 0 var(--layout-left);max-width:calc(100% - 20px);padding:20px 0 20px calc(var(--sidebar-width) + var(--sidebar-offset));text-align:center;width:var(--layout-width)}.site-footer p{margin:0}html[data-bg=on] .site-footer{color:#ffffffd9;text-shadow:0 1px 3px rgba(0,0,0,.45)}.corner-buttons{bottom:30px;display:flex;flex-direction:column;gap:6px;position:fixed;right:30px;z-index:30}.corner-button{align-items:center;background:var(--corner-bg);border:0;color:#fff;cursor:pointer;display:flex;height:26px;justify-content:center;opacity:.6;padding:0;transition:opacity var(--t-next);width:26px}.corner-button:hover{opacity:.8}.corner-button .fa-icon{height:14px;width:14px}html:not([data-bg=on]) .corner-button[aria-label="Toggle background image"] .fa-icon{opacity:.5}.corner-enter-active,.corner-leave-active{transition:opacity var(--t-next),transform var(--t-next)}.corner-enter-from,.corner-leave-to{opacity:0;transform:translateY(6px)}.view{animation:rise-in var(--t-view) var(--ease) both;--rise: 5px}.view-header{margin-bottom:32px}.view-title{color:var(--text);font-size:26px;font-weight:700;line-height:1.35;margin:0}.view-subtitle{color:var(--text-muted);font-size:13px;margin:6px 0 0}.view-footnote{color:var(--text-faint);font-size:12px;margin-top:32px;text-align:center}.empty-note{background:var(--fill);border:1px solid var(--rule);border-radius:var(--radius);color:var(--text-muted);font-size:13px;padding:18px 20px}.empty-note p{margin:0}.empty-note+.empty-note{margin-top:12px}.post-item{animation:rise-in var(--t-base) var(--ease) both;animation-delay:calc(var(--i, 0) * var(--stagger));border-bottom:1px solid var(--rule);padding:26px 0 24px}.post-item:first-of-type{border-top:1px solid var(--rule)}.post-item.post-block{border:0;padding:var(--card-padding)}.post-item.post-block .post-item-title,.post-item.post-block .post-meta,.post-item.post-block .post-button{text-align:center}.post-item-title{font-size:24px;font-weight:700;line-height:1.45;margin:0}.post-item-title a{color:var(--text);display:inline-block;max-width:100%;position:relative}.post-item-title a:before{background:currentColor;bottom:0;content:"";height:2px;left:0;position:absolute;transform:scaleX(0);transition:transform var(--t-next);width:100%}.post-item-title a:hover{color:var(--text)}.post-item-title a:hover:before{transform:scaleX(1)}.post-meta{color:var(--text-muted);font-size:12px;margin-top:6px}.post-item-excerpt{color:var(--text-soft);font-size:16px;line-height:1.6;margin:12px 0 0}.post-item.post-block .post-item-excerpt{-webkit-box-orient:vertical;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}.post-button{margin-top:16px}.btn{background:var(--btn-bg);border:2px solid var(--btn-border);border-radius:2px;color:var(--btn-color);display:inline-block;font-size:14px;line-height:2;padding:0 20px;transition:background-color var(--t-next)}.btn:hover{background:var(--btn-hover-bg);border-color:var(--btn-hover-border);color:var(--btn-hover-color)}.pagination{align-items:center;background:var(--card-bg);box-shadow:var(--shadow-inner);display:flex;flex-wrap:wrap;gap:6px;justify-content:center;padding:12px 20px}.page-number,.pagination .space{align-items:center;border-radius:6px;display:inline-flex;font-size:14px;font-variant-numeric:tabular-nums;height:32px;justify-content:center;min-width:32px;padding:0 8px}.page-number{color:var(--text-body);transition:background-color var(--t-next),color var(--t-next)}a.page-number:hover{background:var(--fill-hover);color:var(--text)}.page-number.current{background:var(--theme-color);color:#fff;font-weight:600}.page-number .fa-icon{height:14px;width:10px}.pagination .space{color:var(--text-faint);min-width:20px;padding:0}.archive-year{margin-bottom:28px}.archive-year-label{color:var(--text);font-size:20px;font-weight:700;margin:0 0 8px}.archive-list{list-style:none;margin:0;padding:0}.archive-item{border-bottom:1px solid var(--rule)}.archive-link{align-items:baseline;border-radius:6px;display:flex;gap:12px;padding:9px 10px}.archive-date{color:var(--text-muted);flex:0 0 62px;font-size:12px;font-variant-numeric:tabular-nums}.archive-title{color:var(--text-body);flex:1 1 auto;font-size:15px;min-width:0;transition:color var(--t-next)}.archive-link:hover .archive-title{color:var(--text)}.archive-ert{color:var(--text-faint);flex:0 0 auto;font-size:12px}.categories-header{margin-bottom:20px}.category-trail{align-items:baseline;color:var(--text-muted);display:flex;flex-wrap:wrap;font-size:13px;gap:4px 8px;margin-top:8px}.trail-step{background:none;border:0;color:var(--text-muted);cursor:pointer;font:inherit;padding:0;transition:color var(--t-next)}.trail-step:hover{color:var(--text)}.trail-step.current{color:var(--text);font-weight:600}.trail-sep{color:var(--text-faint)}.trail-count{color:var(--text-muted)}.trail-count:before{content:"·";margin-right:8px}.tag-tree{list-style:none;margin:0;padding:0}.tag-children{overflow:hidden;transition:height var(--t-base) var(--ease-soft),opacity var(--t-base) var(--ease-soft)}.branch-enter-from,.branch-leave-to{opacity:0}.tag-row{align-items:center;background:none;border:0;border-radius:6px;color:var(--text-body);cursor:pointer;display:flex;font:inherit;gap:12px;padding:7px 10px 7px 8px;text-align:left;transition:background-color var(--t-next),color var(--t-next);width:100%}.tag-row:hover{background:var(--fill-hover);color:var(--text)}.tag-dot{background:transparent;border:2px solid var(--dot-color);border-radius:50%;flex:0 0 auto;height:10px;transition:background-color var(--t-next);width:10px}.tag-node.open>.tag-row .tag-dot{background:var(--dot-color)}.tag-label{font-size:15px;font-weight:600}.tag-node.open>.tag-row .tag-label{color:var(--text)}.tag-count{background:var(--fill-hover);border-radius:999px;color:var(--text-muted);font-size:12px;font-variant-numeric:tabular-nums;line-height:1;margin-left:auto;min-width:28px;padding:4px 8px;text-align:center}.tag-row:hover .tag-count{background:var(--pill-hover)}.tag-posts{list-style:none;margin:2px 0 6px;padding:0}.tag-post{border-radius:6px;display:block;padding:6px 10px 6px 8px;transition:background-color var(--t-next)}.tag-post:hover{background:var(--fill-hover)}.tag-post-title{color:var(--text-body);display:block;font-size:15px;line-height:1.5;transition:color var(--t-next)}.tag-post:hover .tag-post-title{color:var(--text)}.tag-post-date{color:var(--text-muted);display:block;font-size:12px;line-height:1.6}.post-item mark{background:var(--mark-bg);border-radius:2px;color:inherit;padding:0 2px}.search-box{margin-bottom:18px}.search-input{background:var(--fill);border:1px solid var(--border-strong);border-radius:var(--radius);color:var(--text);font-family:inherit;font-size:15px;padding:10px 14px;width:100%}.search-input:focus{background:var(--card-solid);border-color:var(--text-muted);outline:none}.search-results{animation:fade-in var(--t-base) var(--ease) both}.search-status{color:var(--text-muted);font-size:12px;margin:0 0 12px}.search-status.error{color:#c0392b}.search-progress{background:var(--rule);border-radius:2px;height:3px;margin-bottom:12px;overflow:hidden}.search-progress span{background:var(--text-body);display:block;height:100%;transition:width .2s ease}.post-header{border-bottom:1px solid var(--rule);margin-bottom:28px;padding-bottom:18px;text-align:center}.post-title{color:var(--text);font-size:30px;font-weight:700;line-height:1.4;margin:0;overflow-wrap:break-word}.post-footer{margin-top:48px}.post-tags{align-items:center;display:flex;flex-wrap:wrap;gap:8px}.post-tags-label{color:var(--text-muted);font-size:13px;margin-right:2px}.tag-chip{align-items:center;background:var(--chip-bg);border-radius:999px;color:var(--text-body);display:inline-flex;font-size:13px;gap:6px;line-height:1;padding:7px 14px;transition:background-color var(--t-next),color var(--t-next),box-shadow var(--t-next),transform var(--t-next)}.tag-chip:before{background:currentColor;border-radius:50%;content:"";height:5px;opacity:.55;width:5px}.tag-chip:hover{background:var(--theme-color);box-shadow:0 2px 6px #0000002e;color:#fff;transform:translateY(-1px)}.post-nav{border-top:1px solid var(--rule);display:flex;gap:16px;margin-top:24px;padding-top:20px}.post-nav-link{border-radius:6px;display:block;flex:1 1 0;min-width:0;padding:10px 14px}.post-nav-link.next{text-align:right}.post-nav-link.disabled{color:var(--text-faint)}.post-nav-label{color:var(--text-muted);display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase}.post-nav-title{color:var(--text-body);display:block;font-size:15px;transition:color var(--t-next);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.post-nav-link:hover .post-nav-title{color:var(--text)}.post-nav-link.disabled .post-nav-title{color:var(--text-faint)}.post-nav-date{color:var(--text-muted);display:block;font-size:12px;line-height:1.6}@media(max-width:991px){:root{--card-padding: 20px}.headband{display:none}.topbar{align-items:center;background:var(--card-bg);border-bottom:1px solid var(--rule);display:flex;gap:12px;padding:10px 16px;position:sticky;top:0;z-index:30}.topbar-toggle{background:none;border:0;cursor:pointer;display:flex;flex-direction:column;gap:4px;padding:6px 2px}.topbar-toggle span{background:var(--text-body);display:block;height:2px;transform-origin:center;transition:transform var(--t-base) var(--ease-soft),opacity var(--t-fast) var(--ease);width:18px}.topbar-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(6px) rotate(45deg)}.topbar-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.topbar-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.topbar-title{color:var(--text);font-size:15px;font-weight:700}.main{display:block;margin:0;max-width:none;width:auto}.column{background:var(--body-bg);bottom:0;box-shadow:2px 0 12px #00000014;left:0;overflow-y:auto;position:fixed;top:0;transform:translate(-100%);transition:transform var(--t-view) var(--ease-soft);width:260px;z-index:40}.column.open{transform:translate(0)}.header,.sidebar-inner{background:var(--card-solid)}.sidebar{position:static}.sidebar-inner{max-height:none}.sidebar-panel-container{overflow:visible}.drawer-mask{background:#00000059;bottom:0;display:block;left:0;opacity:0;pointer-events:none;position:fixed;right:0;top:0;transition:opacity var(--t-view) var(--ease-soft);z-index:35}.drawer-mask.open{opacity:1;pointer-events:auto}.main-inner{padding:10px;width:100%}.site-footer{margin:0;max-width:none;padding-left:0;width:auto}.corner-buttons{right:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-delay:0s!important;animation-duration:.001ms!important;scroll-behavior:auto!important;transition-delay:0s!important;transition-duration:.001ms!important}}.hljs,pre.code-block{background:#1a1b26;color:#cbd2ea}.hljs-comment,.hljs-meta{color:#565f89}.hljs-deletion,.hljs-doctag,.hljs-regexp,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id,.hljs-selector-pseudo,.hljs-tag,.hljs-template-tag,.hljs-variable.language_{color:#f7768e}.hljs-link,.hljs-literal,.hljs-number,.hljs-params,.hljs-template-variable,.hljs-type,.hljs-variable{color:#ff9e64}.hljs-attribute,.hljs-built_in{color:#e0af68}.hljs-keyword,.hljs-property,.hljs-subst,.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#7dcfff}.hljs-selector-tag{color:#73daca}.hljs-addition,.hljs-bullet,.hljs-quote,.hljs-string,.hljs-symbol{color:#9ece6a}.hljs-code,.hljs-formula,.hljs-section{color:#7aa2f7}.hljs-attr,.hljs-char.escape_,.hljs-keyword,.hljs-name,.hljs-operator{color:#bb9af7}.hljs-punctuation{color:#c0caf5}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}.markdown-body{color:var(--text-body);font-size:16px;line-height:1.75;overflow-wrap:break-word;overflow-x:clip}.markdown-body>*:first-child{margin-top:0}.markdown-body>*:last-child{margin-bottom:0}.markdown-body p{margin:0 0 1.25em}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{color:var(--text);font-weight:700;line-height:1.4;margin:1.9em 0 .75em}.markdown-body h1{font-size:26px}.markdown-body h2{font-size:24px}.markdown-body h3{font-size:21px}.markdown-body h4{font-size:19px}.markdown-body h5,.markdown-body h6{font-size:17px}.markdown-body a{border-bottom:1px solid var(--link-rule);color:var(--link-color);text-decoration:none}.markdown-body a:hover{border-bottom-color:var(--link-hover-color);color:var(--link-hover-color)}.markdown-body strong{color:var(--text);font-weight:700}.markdown-body em{font-style:italic}.markdown-body u{text-decoration:underline;text-underline-offset:3px}.markdown-body del{color:var(--text-muted)}.markdown-body hr{border:0;border-top:1px solid var(--rule);margin:2em 0}.markdown-body ul,.markdown-body ol{margin:0 0 1.25em;padding-left:1.7em}.markdown-body li{margin:.3em 0}.markdown-body li>ul,.markdown-body li>ol{margin:.3em 0}.markdown-body li::marker{color:var(--text-muted)}.markdown-body input[type=checkbox]{margin-right:6px}.markdown-body blockquote{border-left:3px solid var(--border-strong);color:var(--text-soft);margin:1.2em 0;padding:2px 0 2px 16px}.markdown-body blockquote>*:last-child{margin-bottom:0}.markdown-body img{display:block;margin:1.2em auto;max-width:100%}.markdown-body p>img:only-child{margin:1.2em auto}.markdown-body code{background:var(--code-inline-bg);border-radius:3px;color:var(--code-inline-color);font-family:var(--font-mono);font-size:.875em;padding:2px 5px}.markdown-body pre{border-radius:4px;margin:1.3em 0;overflow:hidden;position:relative}.markdown-body pre code{background:none;color:inherit;display:block;font-size:15px;line-height:1.7;overflow-x:auto;padding:1em 1.1em}.markdown-body pre code.code-body{position:relative}.markdown-body pre .copy-code-button{background-color:#2f3349;border:1px solid #3b4261;border-radius:10px;color:#cbd2ea;cursor:pointer;font-family:var(--font-sans);font-size:11px;opacity:0;padding:1px 8px;pointer-events:none;position:absolute;right:10px;top:1em;transform:translate(10px);transition:all ease .3s}.markdown-body pre .copy-code-button:after{content:"copy"}.markdown-body pre .copy-code-button.copied:after{content:"copied"}.markdown-body pre .copy-code-button.failed:after{content:"failed"}.markdown-body pre:hover .copy-code-button,.markdown-body pre .copy-code-button:focus-visible{opacity:.85;pointer-events:all;transform:translate(0)}.markdown-body pre .copy-code-button:hover{opacity:1}.markdown-body .mermaid-block{margin:1.5em 0;text-align:center}.markdown-body .mermaid-block svg{height:auto;max-width:100%}.markdown-body .mermaid-failed{background:var(--fill);border:1px solid var(--rule);font-family:var(--font-mono);font-size:12px;padding:12px;text-align:left;white-space:pre-wrap}.markdown-body .katex{font-size:1.05em}.markdown-body .katex-display{margin:1.3em 0;overflow-x:auto;overflow-y:hidden;padding:2px 0}.markdown-body table{border-collapse:collapse;display:block;margin:1.3em 0;max-width:100%;overflow-x:auto;width:max-content}.markdown-body th,.markdown-body td{border:1px solid var(--border-strong);font-size:16px;padding:7px 12px;text-align:left}.markdown-body th{background:var(--fill);color:var(--text);font-weight:700}.markdown-body tr:nth-child(2n) td{background:var(--fill-alt)}.markdown-body div[align=center]{text-align:center}.markdown-body div[align=center] img{margin-left:auto;margin-right:auto}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}
