@layer quartz-base{.site-enhancements{display:none}.site-reading-progress{z-index:10000;pointer-events:none;background:linear-gradient(90deg, var(--secondary), var(--tertiary));width:0;height:3px;box-shadow:0 0 10px color-mix(in srgb, var(--secondary) 55%, transparent);transition:width .12s ease-out;position:fixed;inset:0 auto auto 0}.site-back-to-top{z-index:20;border:1px solid var(--lightgray);background:var(--light);background:color-mix(in srgb, var(--light) 90%, transparent);width:2.5rem;height:2.5rem;color:var(--secondary);cursor:pointer;opacity:0;pointer-events:none;border-radius:999px;transition:opacity .18s,transform .18s,background .18s;position:fixed;bottom:1.4rem;right:1.4rem;transform:translateY(.5rem);box-shadow:0 8px 24px #00000029}.site-back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.site-back-to-top:hover{background:var(--highlight)}.site-image-lightbox{border:1px solid var(--lightgray);background:var(--light);max-width:min(92vw,1200px);max-height:92vh;color:var(--dark);border-radius:.8rem;padding:2.5rem 1rem 1rem}.site-image-lightbox::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#000000c2}.site-image-lightbox img{object-fit:contain;border-radius:.4rem;max-width:88vw;max-height:80vh;margin:0 auto;display:block}.site-image-lightbox-close{color:var(--dark);cursor:pointer;background:0 0;border:0;font-size:1.8rem;position:absolute;top:.45rem;right:.65rem}article img[data-lightbox-ready]{cursor:zoom-in;transition:transform .18s,box-shadow .18s}article img[data-lightbox-ready]:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000002e}article pre{padding-top:2.25rem}.site-code-copy{border:1px solid var(--lightgray);background:var(--light);color:var(--gray);font:inherit;cursor:pointer;border-radius:.35rem;padding:.2rem .55rem;font-size:.78rem;position:absolute;top:.45rem;right:.55rem}.site-code-copy:hover{color:var(--secondary);border-color:var(--secondary)}.site-flashcard{background:0 0;border:0;margin:1.25rem 0;padding:0;overflow:visible}.site-flashcard-scene{width:100%;transition:transform .22s;position:relative}.site-flashcard-inner{width:100%;min-height:100%;position:relative}.site-flashcard-face{box-sizing:border-box;border:1px solid var(--lightgray);background:var(--light);width:100%;min-height:100%;box-shadow:0 3px 12px color-mix(in srgb, var(--dark) 8%, transparent), 0 14px 28px color-mix(in srgb, var(--dark) 4%, transparent);border-radius:.8rem;padding:1.15rem 1.2rem 4.8rem;transition:opacity .18s,transform .18s,box-shadow .22s,border-color .22s;position:absolute;inset:0;overflow:hidden}.site-flashcard-face:before{content:"";background:var(--secondary);height:3px;position:absolute;inset:0 0 auto}.site-flashcard-back{opacity:0;pointer-events:none;background:var(--light);background:linear-gradient(145deg, color-mix(in srgb, var(--secondary) 8%, var(--light)), var(--light) 72%);transform:translate(1rem)}.site-flashcard-back:before{background:var(--tertiary)}.site-flashcard-front{flex-direction:column;justify-content:center;align-items:flex-start;display:flex}.site-flashcard.is-flipped .site-flashcard-front{opacity:0;pointer-events:none;transform:translate(-1rem)}.site-flashcard.is-flipped .site-flashcard-back{opacity:1;pointer-events:auto;transform:translate(0)}.site-flashcard:focus-within .site-flashcard-face{border-color:var(--secondary)}@media (hover:hover){.site-flashcard:hover .site-flashcard-scene{transform:translateY(-3px)}.site-flashcard:hover .site-flashcard-face{border-color:color-mix(in srgb, var(--secondary) 38%, var(--lightgray));box-shadow:0 7px 18px color-mix(in srgb, var(--dark) 10%, transparent), 0 20px 36px color-mix(in srgb, var(--dark) 6%, transparent)}}.site-flashcard .callout-title{color:var(--darkgray);margin:0 0 .75rem}.site-flashcard .callout-title-inner{font-weight:700}.site-flashcard-front>:not(.callout-title):not(.site-flashcard-toggle){margin-top:.4rem}.site-flashcard-label{color:var(--darkgray);letter-spacing:.03em;margin:0 0 .85rem;font-size:.85rem;font-weight:650}.site-flashcard-toggle{border:1px solid color-mix(in srgb, var(--secondary) 35%, var(--lightgray));background:color-mix(in srgb, var(--secondary) 8%, var(--light));min-height:2.75rem;color:var(--secondary);font:inherit;cursor:pointer;border-radius:.55rem;align-items:center;margin:0;padding:.4rem .9rem;font-size:.84rem;font-weight:600;transition:border-color .18s,background .18s,box-shadow .18s,transform .18s;display:inline-flex;position:absolute;bottom:1.15rem;left:1.2rem}.site-flashcard-toggle:hover,.site-flashcard-toggle:focus-visible{border-color:var(--secondary);background:var(--highlight);box-shadow:0 2px 8px color-mix(in srgb, var(--secondary) 14%, transparent)}.site-flashcard-toggle:active{transform:scale(.97)}.site-flashcard-toggle:focus-visible{outline:2px solid var(--secondary);outline-offset:2px}.site-flashcard-back a{color:var(--secondary);font-weight:600}@media (max-width:600px){.site-flashcard{margin:1rem 0}.site-flashcard-face{border-radius:.6rem;padding:1rem 1rem 4.55rem}.site-flashcard-toggle{bottom:1rem;left:1rem}}.note-properties-title{font-size:0}.note-properties-title:after{content:"笔记属性";font-size:.95rem}.breadcrumb-container{color:var(--gray);align-items:center;font-size:.9rem}.breadcrumb-element p{color:var(--gray)}.sidebar.right>.toc{scrollbar-width:thin}.toc-content>li>a.in-view{opacity:1;color:var(--secondary);border-left:2px solid var(--secondary);padding-left:.45rem;font-weight:600}@media (min-width:1200px){.sidebar.right>.toc{max-height:calc(100vh - 3rem);padding-right:.25rem;position:sticky;top:1.5rem;overflow-y:auto}}.search>.search-container>.search-space>.search-layout>.results-container .result-card{border:1px solid #0000;border-radius:.55rem;margin:.25rem 0}.search>.search-container>.search-space>.search-layout>.results-container .result-card:hover,.search>.search-container>.search-space>.search-layout>.results-container .result-card:focus,.search>.search-container>.search-space>.search-layout>.results-container .result-card.focus{border-color:var(--secondary);background:var(--highlight);background:color-mix(in srgb, var(--highlight) 62%, var(--light))}.search>.search-container>.search-space>.search-layout>.results-container .result-card .card-title{line-height:1.35}.site-search-card-path{color:var(--gray);white-space:nowrap;text-overflow:ellipsis;margin-top:.3rem;font-size:.78rem;font-weight:400;display:block;overflow:hidden}.site-search-match{background:var(--textHighlight);border-radius:.2rem;padding:0 .08em}.site-search-match.is-active{background:var(--secondary);color:var(--light)}.site-search-match-nav{z-index:20;border:1px solid var(--lightgray);background:color-mix(in srgb, var(--light) 94%, transparent);border-radius:.55rem;align-items:center;gap:.35rem;padding:.35rem;display:flex;position:fixed;bottom:1.4rem;right:4.4rem;box-shadow:0 8px 24px #00000029}.site-search-match-nav button{border:1px solid var(--lightgray);color:var(--darkgray);font:inherit;cursor:pointer;background:0 0;border-radius:.35rem;padding:.25rem .5rem}.site-search-match-nav button:hover,.site-search-match-nav button:focus-visible{border-color:var(--secondary);color:var(--secondary)}.site-search-match-nav span{min-width:3.5rem;color:var(--gray);text-align:center;font-size:.82rem}@media (max-width:800px){.site-back-to-top{bottom:.8rem;right:.8rem}.site-image-lightbox{width:92vw}.site-search-match-nav{bottom:4rem;right:.8rem}}@media (max-width:600px){.breadcrumb-container{white-space:nowrap;scrollbar-width:none;max-width:100%;overflow-x:auto}.breadcrumb-container::-webkit-scrollbar{display:none}.page-header h1,article h1{font-size:clamp(1.6rem,8vw,1.9rem);line-height:1.25}article h2{font-size:clamp(1.25rem,6vw,1.5rem);line-height:1.35}article h3{font-size:clamp(1.1rem,5vw,1.25rem);line-height:1.4}article pre{max-width:100%;overflow-x:auto}article pre code{font-size:.82rem}article table{max-width:100%;display:block;overflow-x:auto}article iframe{max-width:100%}.search>.search-container>.search-space>.search-layout>.results-container .result-card .card-description{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.site-reading-progress{height:2px}.site-back-to-top{width:2.25rem;height:2.25rem}}@media (prefers-reduced-motion:reduce){.site-reading-progress,.site-back-to-top,article img[data-lightbox-ready],.site-flashcard-scene,.site-flashcard-inner,.site-flashcard-face,.site-flashcard-toggle{transition:none}.site-flashcard:hover .site-flashcard-scene,.site-flashcard-toggle:active{transform:none}}}