:root{--accent: #2563eb;--bg: #fcfcfc;--text: #1c1917;--muted: #78716c}*{box-sizing:border-box}html{font-family:PingFang SC,Hiragino Sans GB,Source Han Sans CN,Noto Sans CJK SC,Microsoft YaHei,Roboto,Helvetica Neue,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;padding:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);line-height:1.65}.skip-link{position:absolute;top:-100%;left:50%;z-index:50;transform:translate(-50%);border-radius:0 0 8px 8px;background:var(--accent);padding:.75rem 1.5rem;font-weight:500;color:#fff;text-decoration:none;transition:top .2s ease-out}.skip-link:focus-visible{top:0;outline:2px solid var(--accent);outline-offset:2px}a{color:var(--accent);text-decoration:none;text-decoration-thickness:.08em;text-underline-offset:.18em;transition:color .2s ease,text-decoration-color .2s ease;cursor:pointer}a:hover{text-decoration:underline;text-decoration-thickness:.08em}a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}:is(h1,h2,h3,h4,h5,h6) a{color:var(--accent)}:is(h1,h2,h3,h4,h5,h6) a:hover{color:color-mix(in srgb,var(--accent) 75%,var(--text))}*:focus:not(:focus-visible){outline:none}h1,h2,h3,h4,h5,h6{margin:1rem 0;color:var(--text);font-weight:650;line-height:1.25;letter-spacing:-.01em;text-wrap:balance}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.9375rem}p{margin:0}ul,ol,menu{margin:0;padding-left:1.25rem}#main-content :is(.post-content,.page-content) :where(ul,ol,menu){list-style-position:outside;padding-left:1em;margin:1rem 0 1.15rem}#main-content :is(.post-content,.page-content) :where(ul,menu){list-style-type:disc}#main-content :is(.post-content,.page-content) :where(ol){list-style-type:decimal}#main-content :is(.post-content,.page-content) :where(li){margin-bottom:.45rem}#main-content :is(.post-content,.page-content)>:first-child{margin-top:0}#main-content :is(.post-content,.page-content)>:last-child{margin-bottom:0}#main-content :is(.post-content,.page-content) p{margin:.85rem 0}#main-content :is(.post-content,.page-content) :where(h2,h3,h4){margin-top:2rem;margin-bottom:.85rem;line-height:1.32;letter-spacing:-.005em}#main-content :is(.post-content,.page-content) h2{font-size:1.55rem}#main-content :is(.post-content,.page-content) h3{font-size:1.28rem}#main-content :is(.post-content,.page-content) h4{font-size:1.08rem}#main-content :is(.post-content,.page-content) :where(h5,h6){margin-top:1.5rem;margin-bottom:.65rem;line-height:1.35}#main-content :is(.post-content,.page-content) h5{font-size:.98rem}#main-content :is(.post-content,.page-content) h6{font-size:.9rem;color:color-mix(in srgb,var(--text) 88%,var(--muted))}#article>h1{margin:0 0 2rem;font-size:clamp(1.625rem,3.2vw,2rem);line-height:1.3;font-weight:650;text-align:center;text-wrap:balance}.page-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:40vh;padding:2.5rem 1rem;text-align:center}.page-empty>h1{margin:0 0 1.5rem;font-size:1.125rem;font-weight:650;color:var(--muted)}.page-empty>a{font-size:1rem;font-weight:500}main>ul,main>section>ul,main>ol,main>section>ol{list-style:none;margin:0;padding-left:0;padding-inline-start:0}table{width:100%;border-collapse:collapse;margin-bottom:1rem;font-size:.9375rem}th,td{padding:.5rem;border:1px solid color-mix(in srgb,var(--text) 14%,var(--bg));text-align:left}th{background:color-mix(in srgb,var(--accent) 10%,var(--bg));font-weight:600;color:var(--text)}td{color:var(--text)}.responsive-table{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:1rem}.responsive-table table{margin-bottom:0}code{font-family:Roboto Mono,SF Mono,Monaco,Inconsolata,monospace;font-size:.875rem}:not(pre)>code{background:color-mix(in srgb,var(--accent) 12%,var(--bg));padding:.2em .4em;border-radius:4px}#main-content :is(.post-content,.page-content) pre.astro-code,#article .code-block-wrap>pre.astro-code{margin:1.25rem 0;padding:.85rem 1rem;border:1px solid color-mix(in srgb,var(--text) 11%,var(--accent) 10%);border-radius:8px;overflow-x:auto;font-size:.875rem;line-height:1.6;background-color:color-mix(in srgb,var(--accent) 10%,var(--bg))!important;color:var(--text)}#article .code-block-wrap>pre.astro-code{margin:0}#main-content :is(.post-content,.page-content) pre.astro-code code{font-family:inherit;font-size:inherit;background:transparent;padding:0;border-radius:0}#main-content :is(.post-content,.page-content) pre.astro-code :is(span,.line),#article .code-block-wrap>pre.astro-code :is(span,.line){background-color:transparent!important}blockquote{margin:1.25rem 0;padding:.5rem 1rem .5rem 1.1rem;border-left:3px solid var(--accent);color:color-mix(in srgb,var(--text) 82%,var(--muted));font-size:.98rem;line-height:1.75;background:color-mix(in srgb,var(--accent) 10%,var(--bg));border-radius:0 8px 8px 0}blockquote>:first-child{margin-top:0}blockquote>:last-child{margin-bottom:0}img{max-width:100%;height:auto;display:block}figure{margin:1.5rem 0}figcaption{margin-top:.5rem;font-size:.875rem;color:var(--muted);text-align:center;line-height:1.6}hr{margin:1.5rem 0;border:0;border-top:1px solid color-mix(in srgb,var(--text) 14%,var(--bg))}@media(max-width:768px){#main-content :is(.post-content,.page-content) :where(h2,h3,h4){margin-top:1.75rem}#main-content :is(.post-content,.page-content) h2{font-size:1.28rem}#main-content :is(.post-content,.page-content) img{max-width:100%}}button{font-family:inherit;font-size:100%;line-height:inherit;margin:0;padding:.5rem 1rem;background:transparent;border:1px solid color-mix(in srgb,var(--text) 14%,var(--bg));border-radius:8px;color:var(--text);cursor:pointer;transition:border-color .2s ease,color .2s ease}button:hover{border-color:var(--accent);color:var(--accent)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input[type=text],input[type=search],input[type=email],input[type=password],input[type=number],textarea{font-family:inherit;font-size:100%;line-height:inherit;margin:0;padding:.5rem .75rem;background:var(--bg);border:1px solid color-mix(in srgb,var(--text) 14%,var(--bg));border-radius:8px;color:var(--text);transition:border-color .2s ease}input[type=text]:focus,input[type=search]:focus,input[type=email]:focus,input[type=password]:focus,input[type=number]:focus,textarea:focus{outline:none;border-color:var(--accent)}header{background:var(--bg)}body>header{position:sticky;top:0;z-index:100}main,#main-content{flex:1;width:100%;max-width:960px;margin:0 auto;padding:.5rem 1.5rem 2rem}::selection{background:color-mix(in srgb,var(--accent) 28%,var(--bg));color:var(--text)}mark{background:transparent;color:var(--accent);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--muted) 50%,transparent);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}*{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--muted) 50%,transparent) transparent}@media(max-width:768px){h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1875rem}h4{font-size:1.0625rem}main,#main-content{padding:1rem 1rem 2rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.site-header nav{display:flex;flex-wrap:nowrap;align-items:center;max-width:960px;margin:0 auto;padding:.35rem 1.5rem 0;gap:.5rem .75rem}.site-header .site-brand{display:inline-flex;align-items:center;gap:.45rem;min-width:0;flex:1 1 auto;font-weight:700;font-size:clamp(.875rem,2.5vw,1rem);line-height:1.25;color:var(--text);text-decoration:none}.site-header .site-logo{width:1.375rem;height:1.375rem;flex-shrink:0;border-radius:50%;object-fit:cover}.site-header .site-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.site-header .site-brand:hover,.site-header .site-brand:focus-visible{color:var(--accent);text-decoration:none}.site-header .nav-links{display:flex;flex-shrink:0;align-items:center;gap:.35rem .75rem;list-style:none;margin:0 0 0 auto;padding:0}.site-header .nav-links a{display:inline-flex;align-items:center;min-height:2.25rem;padding:0 .15rem;color:var(--muted);font-size:.9rem;text-decoration:none;white-space:nowrap}.site-header .nav-links a:hover,.site-header .nav-links a[aria-current=page]{color:var(--accent)}.site-header .nav-links a[aria-current=page]{font-weight:600}#year-progress{width:100%;max-width:960px;margin:.2rem auto 0;padding:0 1.5rem .3rem}#year-progress-track{position:relative;min-height:14px;display:flex;align-items:center;cursor:default}.year-progress-rail{height:2px;width:100%;border-radius:999px;background:color-mix(in srgb,var(--text) 9%,transparent);overflow:hidden}#year-progress-fill{height:100%;width:0;border-radius:999px;background:var(--accent)}#year-progress-label{position:absolute;top:50%;left:0;transform:translateY(-50%);opacity:0;pointer-events:none;font-size:.75rem;font-weight:500;line-height:1;color:var(--muted);white-space:nowrap;padding:0 .15rem;background:color-mix(in srgb,var(--bg) 92%,transparent);border-radius:3px;transition:opacity .15s ease}#year-progress-label.year-progress-visible{opacity:1}@media(min-width:641px){.site-header .site-brand{flex:0 1 auto}}@media(max-width:768px){.site-header nav,#year-progress{padding-left:1rem;padding-right:1rem}}@media(max-width:640px){.site-header nav{gap:.35rem .5rem}.site-header .nav-links{gap:.35rem .65rem}.site-header .nav-links a{min-height:2rem;font-size:.85rem}}#back-to-top[data-astro-cid-wlspcwf4]{position:fixed;right:1.25rem;bottom:1.25rem;z-index:50;width:44px;height:44px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid color-mix(in srgb,var(--text) 14%,var(--bg));background:var(--bg);color:var(--text);box-shadow:0 2px 8px #0000000f;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease}#back-to-top[data-astro-cid-wlspcwf4][data-visible=true]{opacity:1;visibility:visible;transform:translateY(0)}#back-to-top[data-astro-cid-wlspcwf4]:hover{border-color:var(--accent);color:var(--accent)}