html,body{margin:0;width:100%;height:100%;font-size:16px;text-size-adjust:none;-webkit-text-size-adjust:none;-moz-text-size-adjust:none}body{-moz-tab-size:4;tab-size:4;color:var(--color-contrast-high);background-color:var(--color-bg);overflow-wrap:break-word;word-wrap:break-word;line-height:1.618;transition:color .5s,background-color .5s;position:relative;background-attachment:fixed;background-image:radial-gradient(circle at 25% 25%, rgba(153,255,255,0.15), transparent 30%),radial-gradient(circle at 75% 25%, rgba(255,255,153,0.15), transparent 30%),radial-gradient(circle at 25% 75%, rgba(255,153,255,0.15), transparent 30%),radial-gradient(circle at 75% 75%, rgba(153,153,255,0.15), transparent 30%);background-size:300% 300%;animation:gradient-animation 45s ease infinite}body::before{content:'';position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:-1;background:radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.1), 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var(--color-primary-s), var(--color-primary-l), 0.3)}::-webkit-scrollbar{width:0.4rem;height:0.4rem}::-webkit-scrollbar-track{background-color:var(--color-bg)}::-webkit-scrollbar-thumb{background-color:var(--color-contrast-low)}::-webkit-scrollbar-thumb:hover{background-color:hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.5)}::-webkit-scrollbar-thumb:active{background-color:hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.75)}::-webkit-scrollbar-corner{background-color:var(--color-bg)}.list-title,.term-title,.list-year,.list-month,.post-title,.post-subtitle,.related-title,.post-nav,thead,dt{font-family:"Merriweather","Noto Serif CJK SC","Noto Serif SC",var(--font-serif),"Source Han Serif SC","Source Han Serif",source-han-serif-sc,SongTi SC,SimSum,"Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,"Microsoft YaHei","WenQuanYi Micro 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!important}.emphasis-point{font-style:normal;text-emphasis:'•';-webkit-text-emphasis:'•';-moz-text-emphasis:'•';text-emphasis-position:under;-webkit-text-emphasis-position:under;-moz-text-emphasis-position:under}[data-indent="true"] .contents-title{text-align:center}[data-indent="true"] .post-body p{text-indent:2em;margin:0}[data-indent="true"] .post-body .caption{text-indent:0;margin:0 0 1em}[data-indent="true"] .post-body blockquote{margin:1em 0;padding:0;border:none}[data-indent="true"] .post-body img,[data-indent="true"] .post-body video{margin:1em auto}[data-indent="true"] .post-body table{margin:1em 0}[data-indent="true"] .post-body pre,[data-indent="true"] .post-body .highlight{margin:1rem 0}[data-indent="true"] .post-body h1,[data-indent="true"] .post-body h2,[data-indent="true"] .post-body h3,[data-indent="true"] .post-body h4,[data-indent="true"] .post-body h5,[data-indent="true"] .post-body h6{text-align:center}[data-indent="true"] .post-body .anchor-link{position:relative;transform:none;display:block;float:none}[data-indent="true"] .post-body ol,[data-indent="true"] .post-body ul{margin:0;padding-left:4em}[data-indent="true"] .post-body ol p,[data-indent="true"] .post-body ul p{text-indent:0}[data-indent="true"] .post-body li ol,[data-indent="true"] .post-body li ul{padding-left:2em}[data-indent="true"] .post-body dl{text-indent:2em}[data-indent="true"] .post-body dl dd{text-indent:0;margin-left:4em}[data-indent="true"] .post-body dl p{text-indent:0}@media (prefers-color-scheme: light){:root:not([data-theme]){--theme-name: "light";--color-primary: #f66;--primary-color-h: 0deg;--primary-color-s: 100%;--primary-color-l: 70%;--color-bg: #fff;--color-contrast-lower: #F2F2F7;--color-contrast-low: #C7C7CC;--color-contrast-medium: #8E8E93;--color-contrast-high: #000;--color-contrast-higher: #000;--chroma-line-numbers-background: #ffffcc;--chroma-line-numbers-color: #7f7f7f;--chroma-keyword-color: #006699;--chroma-name-color: #9999ff;--chroma-attribute-color: #330099;--chroma-literal-color: #cc3300;--chroma-number-color: #ff6600;--chroma-comment-color: #0099ff;--chroma-deleted-color: #ffcccc;--chroma-output-color: #aaaaaa}:root:not([data-theme]) .theme-icon-light{display:inline-block}:root:not([data-theme]) .theme-icon-dark{display:none}}:root{--theme-name: "light";--color-primary: #f66;--primary-color-h: 0deg;--primary-color-s: 100%;--primary-color-l: 70%;--color-bg: #fff;--color-contrast-lower: #F2F2F7;--color-contrast-low: #C7C7CC;--color-contrast-medium: #8E8E93;--color-contrast-high: #000;--color-contrast-higher: #000;--chroma-line-numbers-background: #ffffcc;--chroma-line-numbers-color: #7f7f7f;--chroma-keyword-color: #006699;--chroma-name-color: #9999ff;--chroma-attribute-color: #330099;--chroma-literal-color: #cc3300;--chroma-number-color: #ff6600;--chroma-comment-color: #0099ff;--chroma-deleted-color: #ffcccc;--chroma-output-color: #aaaaaa}:root .theme-icon-light{display:inline-block}:root .theme-icon-dark{display:none}@media (prefers-color-scheme: dark){:root:not([data-theme]){--theme-name: "dark";--color-primary: #A0A7D4;--primary-color-h: 231.92307692deg;--primary-color-s: 37.68115942%;--primary-color-l: 72.94117647%;--color-bg: #1C1C1E;--color-contrast-lower: #2C2C2E;--color-contrast-low: #48484A;--color-contrast-medium: #8E8E93;--color-contrast-high: #FFF;--color-contrast-higher: #FFF;--chroma-line-numbers-background: #ffffcc;--chroma-line-numbers-color: #7f7f7f;--chroma-keyword-color: #ff79c6;--chroma-name-color: #8be9fd;--chroma-attribute-color: #50fa7b;--chroma-literal-color: #f1fa8c;--chroma-number-color: #bd93f9;--chroma-comment-color: #6272a4;--chroma-deleted-color: #8b080b;--chroma-output-color: #44475a}:root:not([data-theme]) .theme-icon-light{display:none}:root:not([data-theme]) .theme-icon-dark{display:inline-block}:root:not([data-theme]) img{filter:brightness(50%)}}:root[data-theme="dark"]{--theme-name: "dark";--color-primary: #A0A7D4;--primary-color-h: 231.92307692deg;--primary-color-s: 37.68115942%;--primary-color-l: 72.94117647%;--color-bg: #1C1C1E;--color-contrast-lower: #2C2C2E;--color-contrast-low: #48484A;--color-contrast-medium: #8E8E93;--color-contrast-high: #FFF;--color-contrast-higher: #FFF;--chroma-line-numbers-background: #ffffcc;--chroma-line-numbers-color: #7f7f7f;--chroma-keyword-color: #ff79c6;--chroma-name-color: #8be9fd;--chroma-attribute-color: #50fa7b;--chroma-literal-color: #f1fa8c;--chroma-number-color: #bd93f9;--chroma-comment-color: #6272a4;--chroma-deleted-color: #8b080b;--chroma-output-color: #44475a}:root[data-theme="dark"] .theme-icon-light{display:none}:root[data-theme="dark"] .theme-icon-dark{display:inline-block}:root[data-theme="dark"] img{filter:brightness(50%)}#theme-switcher{color:var(--color-contrast-medium);transition:color .5s;z-index:4}#theme-switcher:hover{color:var(--color-primary)}#theme-switcher .icon{margin-right:0 !important}.header{z-index:3;position:fixed;width:100%;transition:transform 0.3s ease, box-shadow 0.3s ease}.header-wrapper{padding:0.8rem 0;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:rgba(255,255,255,0.85);border-bottom:1px solid rgba(187,187,187,0.1);transition:background-color 0.3s ease, backdrop-filter 0.3s ease, border-bottom 0.3s ease}.dark .header-wrapper{background:rgba(28,28,30,0.85);border-bottom:1px solid rgba(70,70,70,0.1)}.header-inner{display:flex;justify-content:space-between;align-items:center;margin:0 auto;max-width:1280px;padding:0 2rem}.header-inner.list{max-width:1280px}.site-brand{margin-right:1.5rem;position:relative;transition:transform 0.2s ease}.site-brand:hover{transform:scale(1.05)}.brand{font-size:1em;color:var(--color-contrast-high);text-decoration:none;position:relative;font-weight:700;letter-spacing:-0.01em}.brand:hover{color:var(--color-primary)}.brand::after{content:'';position:absolute;width:0;height:2px;bottom:-4px;left:0;background-color:var(--color-primary);transition:width 0.3s ease}.brand:hover::after{width:100%}:root{--header-height: calc(
        max(
            /* menu */
            19.2px,
            /* brand */
            1.618em
        ) + 32px
    )}#main p[id]::before,#main div[id]::before,#main ul[id]::before,#main ol[id]::before,#main form[id]::before,#main section[id]::before,#main h1[id]::before,#main h2[id]::before,#main h3[id]::before,#main h4[id]::before,#main h5[id]::before,#main h6[id]::before{content:"";display:block;visibility:hidden;height:var(--header-height);margin:calc(-1 * var(--header-height)) 0 0}.header-hidden{transform:translateY(-100%)}.header-scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.08)}.dark .header-scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.2)}.header-wrapper::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle 8rem at var(--mouse-x) var(--mouse-y), rgba(var(--color-primary-rgb), 0.1), transparent 40%);pointer-events:none;opacity:0;transition:opacity 0.3s ease}.header-wrapper:hover::before{opacity:1}@media (max-width: 1200px){.header-inner{padding:0 1.5rem}}@media (max-width: 768px){.header-inner{padding:0 1.2rem}}@media (max-width: 500px){.header-inner{padding:0 1rem}.header-wrapper{padding:0.6em 0}}#nav-toggle{display:none}.nav-toggle{display:none;position:absolute;top:1em;right:1em;margin-right:1em;width:1em;height:1em;cursor:pointer}.nav-toggle-inner{padding:1em;display:inline-block}.nav-toggle span{display:block;position:absolute;height:0.1em;width:1em;background-color:var(--color-contrast-high);transition:all .5s}.nav-toggle span:nth-child(1){top:0.4em}.nav-toggle span:nth-child(2){top:0.7em}.nav-toggle span:nth-child(3){top:1em}.nav-toggle.open span:nth-child(1){top:75%;transform:rotate(225deg)}.nav-toggle.open span:nth-child(2){width:0;opacity:0;transform:rotate(-135deg)}.nav-toggle.open span:nth-child(3){top:75%;transform:rotate(-45deg)}.nav-curtain{height:100vh;width:100vw;-webkit-backdrop-filter:saturate(180%) blur(1em);backdrop-filter:saturate(180%) blur(1em);background:linear-gradient(90deg, rgba(247,149,51,0.101961) 0, rgba(243,112,85,0.101961) 15%, rgba(239,78,123,0.101961) 30%, rgba(161,102,171,0.101961) 44%, rgba(80,115,184,0.101961) 58%, rgba(16,152,173,0.101961) 72%, rgba(7,179,155,0.101961) 86%, rgba(109,186,130,0.101961) 100%) rgba(0,0,0,0.5)}.nav{z-index:3;position:relative}.menu{padding:0;margin:0;list-style:none;line-height:1.5;font-weight:500;display:flex;align-items:center}.menu-item{display:inline-block;margin:0 1em}.menu-item a{color:var(--color-contrast-medium);text-decoration:none;transition:color .5s}.menu-item a:hover{color:var(--color-primary)}.active a{color:var(--color-primary)}.menu-item-name{margin-left:0.5em}.list .main-inner{width:36em;padding:2em 0}.list-title{text-align:center;font-size:2.2em;margin-bottom:2em;color:var(--color-contrast-higher)}.list-part{margin-top:2em}.list-year{font-size:1.8em;font-weight:700;margin-bottom:1.5em;color:var(--color-contrast-higher)}.list-item{display:flex;justify-content:space-between;align-items:center;padding:1em 0;border-bottom:1px dashed var(--color-contrast-low);text-decoration:none;color:var(--color-contrast-high)}.list-item .list-item-title{transition:color 0.3s ease, transform 0.3s ease}.list-item .list-item-time{transition:color 0.3s ease}.list-item:hover .list-item-title{color:var(--color-primary);transform:translateX(5px)}.list-item-title{font-size:1.1em;flex-grow:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-right:1em}.list-item-time{font-size:0.9em;color:var(--color-contrast-medium);white-space:nowrap}.single .main-inner{width:100%;max-width:1000px;margin:0 auto;padding:2rem 2rem}.post{margin:0 auto;max-width:100%}@media (max-width: 768px){.post{padding:0}}.post-header{margin-bottom:2rem}.post-title{margin:0 0 0.5rem;font-size:2rem;line-height:1.3;font-weight:700;text-align:center;letter-spacing:-0.01em;color:var(--text-color)}.post-subtitle{font-weight:500;font-style:italic;margin-top:0.5rem;margin-bottom:1rem;color:var(--color-contrast-medium);text-align:left;font-size:1.1rem}.post-description{margin-top:0.5rem;margin-bottom:1rem;font-weight:400;font-style:italic;opacity:0.85;text-align:left;font-size:1rem;color:var(--color-contrast-medium)}.post-meta{text-align:left;margin-bottom:1.5rem;font-size:0.85rem;color:var(--color-contrast-medium);display:flex;flex-wrap:wrap;gap:0.8rem}.post-meta span{display:flex;align-items:center;gap:0.25rem}.post-meta a{color:var(--color-primary);text-decoration:none}.post-meta a:hover{text-decoration:underline}.post-meta svg,.post-meta i{margin-right:0.2rem;opacity:0.75}.post-body{margin-top:0;line-height:1.8;font-size:1rem;color:var(--text-color)}.post-body h1,.post-body h2,.post-body h3,.post-body h4,.post-body h5,.post-body h6{margin-top:2rem;margin-bottom:1rem;line-height:1.4;font-weight:600;color:var(--text-color)}.post-body h1::before,.post-body h2::before,.post-body h3::before,.post-body h4::before,.post-body h5::before,.post-body h6::before{content:"";display:block;height:var(--header-height);margin-top:calc(-1 * var(--header-height));visibility:hidden}.post-body h1{font-size:1.7rem;border-bottom:1px solid var(--color-contrast-lower);padding-bottom:0.3rem}.post-body h2{font-size:1.5rem}.post-body h3{font-size:1.3rem}.post-body h4{font-size:1.1rem}.post-body p{margin:1.2rem 0;line-height:1.8}.post-body img{max-width:100%;margin:2rem auto;display:block;border-radius:6px;box-shadow:none;transition:transform 0.3s ease}.post-body img:hover{transform:translateY(-3px)}.post-body blockquote{margin:1.5rem 0;padding:1rem 1.5rem;border-left:4px solid var(--color-primary);background-color:var(--color-contrast-lower-alpha);color:var(--color-contrast-medium);font-style:italic;border-radius:0 6px 6px 0}.post-body blockquote p{margin:0.5rem 0}.post-body blockquote cite{display:block;margin-top:0.8rem;font-size:0.85rem;text-align:right;opacity:0.8}.post-body blockquote cite:before{content:"— "}.post-body code{padding:0.2rem 0.4rem;margin:0 0.2rem;background-color:var(--color-contrast-lower-alpha);border-radius:3px;font-size:0.9rem;font-family:var(--mono-font-family)}.post-body pre{margin:1.5rem 0;padding:1.2rem;overflow-x:auto;background-color:var(--color-contrast-lower-alpha);border-radius:6px;border:1px solid var(--color-contrast-lower)}.post-body pre code{padding:0;margin:0;background-color:transparent;font-size:0.9rem;line-height:1.6}.post-body a{color:var(--color-primary);text-decoration:none;border-bottom:1px solid transparent;transition:border-color 0.2s ease}.post-body a:hover{border-bottom-color:var(--color-primary)}.post-body ul,.post-body ol{margin:1.2rem 0;padding-left:1.5rem}.post-body ul li,.post-body ol li{margin:0.5rem 0}.post-body ul li::marker,.post-body ol li::marker{color:var(--color-primary)}.post-body table{width:100%;margin:1.5rem 0;border-collapse:collapse;border-radius:6px;overflow:hidden}.post-body table th,.post-body table td{padding:0.7rem 1rem;border:1px solid var(--color-contrast-lower)}.post-body table th{background-color:var(--color-contrast-lower-alpha);font-weight:600}.post-body table tr:nth-child(even){background-color:var(--color-contrast-lower-alpha)}.post-body table tr:hover{background-color:rgba(var(--color-primary-rgb), 0.05)}.post-body hr{margin:2rem 0;height:1px;background-color:var(--color-contrast-lower);border:none}.post-body .footnotes{margin-top:2.5rem;font-size:0.85rem;color:var(--color-contrast-medium)}.post-body .footnotes hr{margin:1.2rem 0}.post-body .footnotes ol{padding-left:1.5rem}.post-body .footnotes li{margin:0.5rem 0}.post-footer{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--color-contrast-lower)}.post-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1.5rem}.post-tags a{display:inline-block;padding:0.25rem 0.7rem;background-color:var(--color-contrast-lower-alpha);color:var(--color-contrast-medium);border-radius:20px;font-size:0.8rem;text-decoration:none;transition:all 0.2s ease}.post-tags a:hover{background-color:var(--color-primary);color:#fff}.post-nav{display:flex;justify-content:space-between;margin-top:2.5rem}.post-nav .post-nav-item{max-width:48%}.post-nav .post-nav-item a{color:var(--color-contrast-medium);text-decoration:none;transition:color 0.2s ease}.post-nav .post-nav-item a:hover{color:var(--color-primary)}.post-nav .post-nav-item .post-nav-prev{text-align:left}.post-nav .post-nav-item .post-nav-next{text-align:right}.post-nav .post-nav-item .post-nav-label{display:block;font-size:0.8rem;opacity:0.8;margin-bottom:0.3rem}.post-nav .post-nav-item .post-nav-title{font-weight:500}@media (max-width: 768px){.single .main-inner{padding:1.5rem}.post-title{font-size:1.7rem}.post-subtitle{font-size:1rem}.post-meta{flex-direction:column;gap:0.4rem}.post-body{font-size:1rem}.post-body h1{font-size:1.5rem}.post-body h2{font-size:1.3rem}.post-body h3{font-size:1.1rem}.post-body h4{font-size:1rem}}@media (max-width: 500px){.single .main-inner{padding:1.2rem 0.8rem}.post-title{font-size:1.5rem}.post-nav{flex-direction:column;gap:1.2rem}.post-nav .post-nav-item{max-width:100%}}.footer{padding:2em 0;font-size:0.9em;color:var(--color-contrast-medium)}.footer a{color:var(--color-contrast-medium);text-decoration:none}.footer a:hover{color:var(--color-primary);text-decoration:underline}.footer-inner{margin:0 auto;max-width:36em;text-align:center}.footer-icon{margin:0 0.25em 0.3em}.single .main-inner{width:100%;max-width:800px;margin:0 auto;padding:2.5rem}.post{margin:0 auto;max-width:100%}@media (max-width: 768px){.post{padding:0}}.post-header{margin-bottom:3rem}.post-title{margin:0 0 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