/* Eonova visual system: Hexo adaptation. Upstream MIT copyright notice in LICENSE. */
@import url('../fonts/inter/inter.css');
@import url('../fonts/dingtalk/font.css');
:root{--background:#fafaf9;--foreground:#1c1917;--muted:#858585;--muted-strong:#666;--border:rgba(28,25,23,.075);--panel:rgba(255,255,255,.68);--panel-solid:#fff;--brand:#d5335c;--brand-base:#ff3d6e;--brand-soft:rgba(255,61,110,.07);--shadow:0 1px 2px #00000004,0 8px 16px -12px #00000015;--code:#f4f4f3;--ease:cubic-bezier(.22,1,.36,1);--font-sans:'Inter Variable',Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC',sans-serif;--font-mono:'Cascadia Code','SFMono-Regular',Consolas,'Liberation Mono',monospace;--font-ding:'DingTalk JinBuTi',var(--font-sans);color-scheme:light}
:root[data-theme=dark]{--background:#131316;--foreground:#ededef;--muted:#929298;--muted-strong:#b3b3b8;--border:rgba(255,255,255,.08);--panel:rgba(28,28,32,.58);--panel-solid:#1d1d21;--brand:#ff3d6e;--brand-soft:rgba(255,61,110,.09);--shadow:0 1px 2px #00000010,0 8px 16px -12px #00000050;--code:#1d1d22;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;min-height:100vh;background:var(--background);color:var(--foreground);font:16px/1.6 var(--font-sans);transition:background-color .25s,color .25s;isolation:isolate;overflow-x:clip}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--brand)}button{border:0;background:none}img{max-width:100%;height:auto}svg{flex-shrink:0}h1,h2,h3,p{margin:0}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:5px}::selection{background:#ff3d6e28;color:var(--foreground)}[hidden]{display:none!important}.icon{display:inline-block;vertical-align:middle;flex-shrink:0}.skip-link{position:fixed;top:8px;left:16px;z-index:200;transform:translateY(-200%);padding:8px 16px;background:var(--panel-solid);border-radius:10px}.skip-link:focus{transform:translateY(0)}
.ambient{position:absolute;left:50%;pointer-events:none;z-index:-1;width:min(1380px,100%);overflow:hidden;transform:translateX(-50%)}.ambient-top{top:0;height:510px;opacity:.82}.ambient-bottom{bottom:0;position:absolute;display:none}.ambient svg{width:100%;height:auto;display:block}[data-theme=dark] .ambient-top{opacity:.57}#main-header{position:fixed;top:16px;inset-inline:0;z-index:60;margin:auto;width:calc(100% - 32px);max-width:820px;height:62px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--border);border-radius:999px;background:color-mix(in srgb,var(--background) 30%,transparent);backdrop-filter:blur(16px);box-shadow:0 1px 2px #00000003;transition:transform .3s var(--ease),background .2s}.has-scrolled #main-header{background:color-mix(in srgb,var(--background) 85%,transparent)}#main-header.is-hidden{transform:translateY(-110px)}.site-logo{display:flex;gap:6px;align-items:center;min-width:112px}.site-logo img{width:32px;height:32px;object-fit:contain;border-radius:50%}.site-logo>span{font-size:9px;line-height:1.15;font-weight:500;white-space:nowrap}.site-logo small{font-size:9px;display:block;letter-spacing:.4px}.desktop-nav{display:flex;align-items:center;gap:19px;white-space:nowrap;font-size:14px}.desktop-nav a{position:relative;padding:16px 0}.desktop-nav a[aria-current=page]{color:var(--brand)}.header-actions{display:flex;align-items:center;gap:6px;justify-content:flex-end;min-width:92px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border-radius:50%;transition:background .2s,color .2s}.icon-button:hover{background:var(--border);color:var(--brand)}.dark-icon,[data-theme=dark] .light-icon{display:none}[data-theme=dark] .dark-icon{display:inline-flex}#menu-toggle{display:none}#mobile-menu{position:fixed;inset:84px 16px auto;z-index:59;padding:12px;background:var(--panel-solid);border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}#mobile-menu a{display:block;padding:12px 18px;border-radius:12px}#mobile-menu a:hover{background:var(--brand-soft)}
.site-main{width:100%;max-width:820px;margin:0 auto;min-height:calc(100vh - 240px);padding:140px 24px 80px}.home-hero{margin:36px 0 96px;display:flex;justify-content:space-between;align-items:flex-start;gap:28px}.hero-copy{min-width:0}.hero-copy h1{font-size:28px;font-weight:400;font-family:var(--font-ding);line-height:1.6}.hero-line{display:block}.signature{font-family:'Segoe Script','Brush Script MT',cursive;font-size:37px;font-weight:400;letter-spacing:-2px;vertical-align:baseline;white-space:nowrap}.hero-greeting{font-size:26px}.hero-sharing{display:flex;gap:5px;flex-wrap:wrap;align-items:baseline;margin-top:6px}.rotating-text{display:inline-block;background:linear-gradient(90deg,#0077ff,#00c9cf);background-clip:text;-webkit-background-clip:text;color:transparent;transition:opacity .2s,transform .2s;min-width:7.1em}.rotating-text.is-changing{opacity:0;transform:translateY(-8px)}.hero-timezone{margin-top:10px;font-size:14px;color:var(--muted)}.hero-avatar{position:relative;flex-shrink:0;width:100px;height:100px;margin:17px 8px 0 0;will-change:transform}.hero-avatar:before{content:'';position:absolute;inset:-10px;background:linear-gradient(120deg,#a855f745,#ff706040);filter:blur(30px);z-index:-1}.hero-avatar img{width:100%;height:100%;object-fit:cover;border-radius:42% 54% 49% 40%}.avatar-hi{position:absolute;top:0;left:0;transform:translateX(-10px);font-size:14px;padding:3px 9px;border-radius:99px;background:color-mix(in srgb,var(--panel-solid) 75%,transparent);backdrop-filter:blur(10px)}.section-heading{position:relative;text-align:center;width:fit-content;margin:0 auto 52px;font-family:var(--font-ding)}.section-heading>span{font-size:14px;color:var(--muted-strong);font-style:italic}.section-heading h2{font-size:28px;line-height:1.4;font-weight:400}.section-heading:after{content:'';position:absolute;width:150px;height:40px;left:50%;top:20px;transform:translateX(-50%) rotate(13deg);border:1px solid var(--border);border-radius:50%;pointer-events:none}.home-news,.home-topics{margin-bottom:108px}.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}.news-column{position:relative;min-width:0;padding:0 24px 0 8px}.news-column+.news-column{border-left:1px solid var(--border);padding:0 8px 0 24px}.outline-label{position:absolute;right:24px;top:-27px;font-family:var(--font-ding);font-size:38px;color:transparent;-webkit-text-stroke:1px var(--muted);opacity:.24;line-height:1;pointer-events:none}.news-list{position:relative;list-style:none;margin:0 0 24px;padding:0 0 0 16px}.news-list:before{content:'';position:absolute;left:0;top:13px;bottom:12px;width:1px;background:#e74b87}.news-list li{position:relative;display:flex;justify-content:space-between;gap:10px;min-width:0;line-height:2.25;font-size:14px}.news-list li:before{content:'';position:absolute;left:-19px;top:12px;width:7px;height:7px;background:#e74b87;border-radius:50%;box-shadow:0 0 0 3px var(--background)}.news-list a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.news-list time{font-size:11px;color:var(--muted);flex-shrink:0;font-variant-numeric:tabular-nums}.warm .news-list:before,.warm .news-list li:before{background:#ff8a00}.more-link{display:flex;align-items:center;justify-content:flex-end;gap:9px;font-size:12px;color:var(--muted-strong);margin-top:18px}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.topic-card{border:1px solid var(--border);background:var(--panel);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}.topic-art{height:154px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e4e8f340,#efecf940)}.topic-art:before,.topic-art:after{content:'';position:absolute;width:140px;height:140px;border:1px solid #85859520;transform:rotate(-24deg);border-radius:28px}.topic-art:after{width:100px;height:100px;transform:rotate(22deg)}.topic-art span{font:500 46px var(--font-mono);letter-spacing:-4px;color:#8994b1;z-index:1}.topic-art-1{background:linear-gradient(130deg,#f6eceb40,#f2e4c940)}.topic-art-1 span{color:#b68b87}.topic-art-2{background:linear-gradient(130deg,#e7f3ed40,#d6f3e640)}.topic-art-2 span{color:#88a497;letter-spacing:-3px}.topic-art-3{background:linear-gradient(130deg,#e9e6f540,#f3e1f140)}.topic-art-3 span{color:#a997b5}.topic-info{padding:21px 24px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--muted);line-height:1.5}.topic-info h3{font-size:19px;margin:7px 0 3px;font-weight:600}.topic-info p{color:var(--muted);font-size:13px}.topic-card>.icon{position:absolute;bottom:28px;right:24px;color:var(--muted)}.topic-card:hover{color:var(--foreground);border-color:color-mix(in srgb,var(--brand) 22%,var(--border))}.topic-card:hover .topic-info h3{color:var(--brand)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.stat-card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--border);border-radius:22px;background:var(--panel);box-shadow:var(--shadow)}.stat-card>span{font-size:13px;color:var(--muted)}.stat-card strong{font-size:44px;font-weight:300;line-height:1.4;letter-spacing:-2px}.stat-card small{font-size:11px;color:var(--muted);margin-top:10px}.profile-card{display:flex;align-items:center;gap:42px;border:1px solid var(--border);border-radius:22px;padding:32px;background:var(--panel);box-shadow:var(--shadow)}.profile-portrait{width:255px;height:218px;position:relative;flex-shrink:0;display:flex;align-items:center;justify-content:center}.profile-portrait img{width:96px;height:96px;object-fit:cover;border-radius:50%;box-shadow:0 8px 30px #0000000d}.floating-tag{position:absolute;padding:5px 10px;border:1px solid var(--border);border-radius:99px;font-size:11px;color:var(--muted-strong);background:var(--background)}.tag-0{left:12px;top:46px}.tag-1{right:10px;top:25px}.tag-2{right:0;bottom:55px}.tag-3{left:48px;bottom:12px}.profile-copy h2{font-size:27px;letter-spacing:-.5px;margin:8px 0}.profile-copy>p{color:var(--muted-strong)}.profile-actions{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}.soft-button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--background);border-radius:99px;padding:8px 16px;font-size:13px;transition:background .2s,color .2s}.soft-button:hover{background:var(--brand-soft);color:var(--brand)}
.page-heading{margin:0 0 62px;display:flex;justify-content:space-between;align-items:flex-end;gap:24px}.page-heading h1{font-size:48px;font-weight:700;letter-spacing:-1.7px;line-height:1.25;margin:16px 0}.heading-description{color:var(--muted-strong);font-size:16px}.heading-count{text-align:right;flex-shrink:0;padding-bottom:0}.heading-count small{color:var(--muted);font-size:12px}.heading-count>div{display:flex;align-items:baseline;gap:12px}.heading-count strong{font-size:48px;line-height:1.2;font-weight:300;letter-spacing:-2px}.heading-count span{font-size:13px;color:var(--muted)}.post-cards{display:flex;flex-direction:column;gap:16px}.post-card{position:relative;border:1px solid var(--border);border-radius:24px;background:var(--panel);box-shadow:var(--shadow);transition:border-color .2s}.post-card:hover{border-color:color-mix(in srgb,var(--brand) 25%,var(--border))}.post-card-link{display:block;padding:24px 78px 26px 24px}.card-meta{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:11px;line-height:1.4}.category-pill{display:inline-flex;gap:7px;align-items:center;border-radius:99px;border:1px solid var(--border);background:linear-gradient(120deg,#ff3d6e07,#7956b307);padding:5px 10px;color:var(--foreground);font-size:12px}.category-pill i{width:7px;height:7px;border-radius:2px;background:linear-gradient(120deg,#e7ae96,#a895b9);transform:rotate(12deg)}.post-card h2{font-size:24px;line-height:1.38;letter-spacing:-.55px;font-weight:600;margin-top:12px;overflow-wrap:anywhere}.card-arrow{position:absolute;right:24px;top:50%;transform:translateY(-50%);width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--border);border-radius:50%;color:var(--muted)}.pagination{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:center;margin:42px 0 0;font-size:13px}.pagination .page-number,.pagination .extend{padding:6px 12px;border-radius:10px;border:1px solid transparent}.pagination .current{background:var(--brand-soft);color:var(--brand);border-color:var(--border)}.pagination a:hover{border-color:var(--border)}.back-link{font-size:13px;color:var(--muted);display:inline-block;margin:-25px 0 30px}.taxonomy-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.taxonomy-card{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px;border:1px solid var(--border);border-radius:22px;background:var(--panel);box-shadow:var(--shadow)}.taxonomy-card span{font-size:19px;overflow-wrap:anywhere}.taxonomy-card small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.taxonomy-card b{font-weight:400;font-size:12px;border:1px solid var(--border);border-radius:99px;padding:3px 9px;color:var(--muted)}.tag-cloud{display:flex;flex-wrap:wrap;gap:14px}.tag-chip{display:flex;align-items:center;gap:18px;padding:12px 18px;border:1px solid var(--border);border-radius:99px;background:var(--panel);box-shadow:var(--shadow)}.tag-chip small{font-size:11px;color:var(--muted)}.archive-year{display:grid;grid-template-columns:72px 1fr;gap:28px;margin-bottom:44px}.archive-year>h2{font-size:24px;font-weight:500;color:var(--muted);padding-top:4px}.archive-year ul{list-style:none;margin:0;padding:0 0 0 24px;border-left:1px solid var(--border)}.archive-year li{display:flex;align-items:center;gap:18px;padding:11px 0;position:relative}.archive-year li:before{content:'';position:absolute;left:-28px;top:23px;width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--background)}.archive-year time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0}.archive-year a{flex:1;min-width:0;font-size:15px;overflow-wrap:anywhere}.archive-year .icon{color:var(--muted)}
.post{padding-top:38px}.post-heading{margin:0 0 45px;text-align:center}.post-heading h1{font-size:34px;font-weight:700;line-height:1.35;letter-spacing:-1px;overflow-wrap:anywhere}.post-meta{display:flex;gap:8px 18px;justify-content:center;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:22px;line-height:1.8}.post-meta>span{display:inline-flex;align-items:center;gap:6px}.post-categories a{white-space:nowrap}.reading-layout{position:relative}.post-content{font-size:16px;line-height:1.8;overflow-wrap:anywhere;min-width:0;color:color-mix(in srgb,var(--foreground) 82%,var(--background))}.post-content>:first-child{margin-top:0}.post-content p{margin:1em 0}.post-content h1,.post-content h2,.post-content h3,.post-content h4,.post-content h5{color:var(--foreground);font-weight:600;line-height:1.5;scroll-margin-top:108px}.post-content h1{font-size:30px;margin:2em 0 1em}.post-content h2{font-size:25px;margin:1.8em 0 .8em;letter-spacing:-.5px}.post-content h3{font-size:21px;margin:1.5em 0 .65em}.post-content h4{font-size:18px;margin:1.3em 0 .5em}.post-content ul,.post-content ol{padding-left:1.6em;margin:1em 0}.post-content li{padding-left:.2em;margin:.32em 0}.post-content li::marker{color:var(--muted)}.post-content a{color:var(--brand);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--brand) 24%,transparent);text-underline-offset:4px}.post-content a:hover{text-decoration-color:var(--brand)}.post-content blockquote{margin:1.5em 0;padding:.1em 0 .1em 20px;border-left:2px solid var(--border);color:var(--muted-strong)}.post-content blockquote p{margin:.35em 0}.post-content hr{margin:2.4em 0;border:0;border-top:1px solid var(--border)}.post-content img{display:block;max-width:100%;height:auto;margin:1.5em auto;border-radius:10px;cursor:zoom-in}.post-content video,.post-content iframe{max-width:100%;border-radius:10px}.post-content table{border-collapse:collapse;font-size:14px;line-height:1.6}.post-content>table,.post-content .table-wrap{display:block;max-width:100%;overflow-x:auto;margin:1.5em 0}.post-content th,.post-content td{padding:10px 14px;border:1px solid var(--border);min-width:70px}.post-content th{font-weight:500;color:var(--foreground);background:var(--code)}.post-content code{font-family:var(--font-mono);font-size:.88em;background:var(--code);border:1px solid var(--border);border-radius:5px;padding:2px 5px;color:var(--foreground)}.post-content pre{margin:0;padding:18px 20px;overflow-x:auto;line-height:1.65;font-family:var(--font-mono);font-size:13px;tab-size:4}.post-content pre code{border:0;padding:0;border-radius:0;background:none;font-size:inherit}.post-content figure.highlight,.post-content>pre,.post-content .code-block{margin:1.5em 0;border:1px solid var(--border);border-radius:12px;background:var(--code);overflow:hidden}.highlight table{display:table;width:100%;margin:0;border:0}.highlight td,.highlight th{padding:0;border:0;min-width:0}.highlight .gutter{width:36px;color:var(--muted);user-select:none;vertical-align:top}.highlight .gutter pre{padding:18px 0 18px 12px;text-align:right}.highlight .code pre{padding-left:16px}.highlight .code{width:auto}.code-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;color:var(--muted);font-size:11px;letter-spacing:.2px;border-bottom:1px solid var(--border);min-height:36px}.copy-code{font-size:11px;border-radius:5px;padding:3px 7px;color:var(--muted);margin-left:auto}.copy-code:hover{color:var(--brand);background:var(--brand-soft)}.highlight .comment,.highlight .quote{color:#8a8a91}.highlight .keyword,.highlight .selector-tag,.highlight .literal{color:#ad62a9}.highlight .string,.highlight .regexp,.highlight .symbol{color:#69986f}.highlight .number,.highlight .built_in,.highlight .type{color:#ba8960}.highlight .title,.highlight .function{color:#548db2}.highlight .meta{color:#8889ba}.post-content .katex-display,.post-content mjx-container[display=true]{display:block;max-width:100%;overflow:auto hidden;padding:12px 0;margin:1.5em 0}.post-content .katex{font-size:1.1em}.post-content .math{overflow-x:auto}.post-toc{position:absolute;top:0;left:calc(100% + 30px);width:170px;height:100%}.post-toc details{position:sticky;top:120px;max-height:calc(100vh - 150px);overflow-y:auto;scrollbar-width:thin}.post-toc summary{font-size:12px;color:var(--muted);letter-spacing:1px;cursor:pointer;margin-bottom:14px;list-style:none}.toc-list{font-size:12px;line-height:1.6}.toc-list ol{list-style:none;padding:0;margin:0}.toc-list ol ol{padding-left:12px}.toc-list li{margin:6px 0}.toc-list a{display:block;padding:3px 0 3px 12px;border-left:1px solid var(--border);color:var(--muted)}.toc-list a.active,.toc-list a:hover{color:var(--brand);border-color:var(--brand)}.page-content{margin-top:40px}.post-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:40px;font-size:12px;color:var(--muted)}.post-copyright{margin:30px 0;padding:18px 22px;border-left:2px solid var(--brand);background:var(--brand-soft);border-radius:0 10px 10px 0;font-size:12px;color:var(--muted-strong);overflow-wrap:anywhere;line-height:1.8}.post-copyright a{color:var(--brand)}.post-neighbors{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0}.post-neighbors a{padding:20px;border:1px solid var(--border);border-radius:18px;background:var(--panel);min-width:0}.post-neighbors small{display:block;font-size:11px;color:var(--muted);margin-bottom:8px}.post-neighbors strong{font-weight:500;font-size:14px;line-height:1.6;overflow-wrap:anywhere}.related-posts{margin:42px 0}.related-posts h2,.comments-heading h2{font-size:20px;font-weight:500}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin-top:22px}.related-grid a{display:flex;flex-direction:column;border-bottom:1px solid var(--border);padding-bottom:12px;font-size:14px;gap:5px}.related-grid time{font-size:11px;color:var(--muted)}.comments-section{margin-top:60px;border-top:1px solid var(--border);padding-top:30px}.comments-heading{display:flex;align-items:center;gap:10px;margin-bottom:22px}.comment-status{font-size:13px;color:var(--muted);padding:14px 0;line-height:1.7}.text-button{color:var(--brand);border:1px solid var(--border);border-radius:10px;padding:7px 12px;font-size:12px;margin-bottom:16px}.twikoo{color:var(--foreground)!important;font-size:14px!important}.twikoo .el-input__inner,.twikoo .el-textarea__inner,.twikoo .el-input-group__append,.twikoo .el-input-group__prepend{color:var(--foreground)!important;background:var(--panel)!important;border-color:var(--border)!important;box-shadow:none!important}.twikoo .el-textarea__inner{border-radius:12px!important}.twikoo .el-button{border-radius:9px!important;border-color:var(--border)!important}.twikoo .el-button--primary{background:var(--brand)!important;color:white!important}.twikoo .tk-comment,.twikoo .tk-replies{border-color:var(--border)!important}.twikoo .tk-content{line-height:1.8}.twikoo .tk-content pre{max-width:100%;overflow-x:auto}.twikoo a{color:var(--brand)}.twikoo .tk-tag{border-radius:4px}.twikoo .tk-meta-input{border-radius:10px}.twikoo .tk-expand{background:var(--panel);border-radius:10px;color:var(--muted-strong)}
.site-footer{position:relative;max-width:820px;width:calc(100% - 32px);margin:64px auto 32px;border:1px solid var(--border);border-radius:24px;padding:30px 32px 24px;background:var(--panel);overflow:hidden}.site-footer:before{content:'';position:absolute;width:70%;height:200px;bottom:-165px;left:15%;background:radial-gradient(ellipse,#ff3d6e55,transparent 70%);filter:blur(24px);pointer-events:none}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:28px}.footer-links>div{display:flex;flex-direction:column;gap:8px}.footer-links a,.footer-search{width:fit-content;text-align:left;font-size:14px;color:var(--muted);padding:0}.footer-links a:hover,.footer-search:hover{color:var(--brand)}.footer-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);padding-top:20px;border-top:1px solid var(--border)}.footer-meta{font-size:11px;color:var(--muted);text-align:center;margin-top:13px}.visit-stats{display:flex;justify-content:center;gap:18px}.back-top{position:fixed;right:24px;bottom:24px;background:var(--panel-solid);border:1px solid var(--border);box-shadow:var(--shadow);z-index:30;opacity:0;pointer-events:none;transition:opacity .2s}.has-scrolled .back-top{opacity:1;pointer-events:auto}
dialog{color:var(--foreground);background:var(--panel-solid);border:1px solid var(--border);padding:0;max-width:calc(100vw - 32px)}dialog::backdrop{background:rgba(0,0,0,.25);backdrop-filter:blur(6px)}.search-dialog{border-radius:20px;width:590px;max-height:min(640px,calc(100dvh - 64px));margin:12vh auto auto;box-shadow:0 24px 80px #00000025}.search-top{display:flex;align-items:center;gap:14px;padding:18px 20px;border-bottom:1px solid var(--border)}.search-top>.icon{color:var(--muted)}#search-input{background:none;color:var(--foreground);border:0;outline:0;font-size:16px;min-width:0;flex:1;height:34px}#search-input::placeholder{color:var(--muted)}.search-status{font-size:13px;color:var(--muted);padding:18px 22px}.search-results{padding:0 10px;overflow:auto;max-height:380px;overscroll-behavior:contain}.search-result{display:block;padding:14px 14px;border-radius:12px;margin-bottom:6px;border:1px solid transparent}.search-result:hover,.search-result.is-active,.search-result[aria-selected=true]{background:var(--brand-soft);border-color:var(--border)}.search-result-title{display:block;font-size:15px;color:var(--foreground);font-weight:500}.search-result-excerpt{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.7;display:block;overflow:hidden}.search-result mark{background:#ff3d6e18;color:var(--brand)}.search-help{display:flex;justify-content:space-between;padding:12px 22px;border-top:1px solid var(--border);font-size:10px;color:var(--muted)}.image-dialog{max-width:calc(100vw - 40px);max-height:calc(100dvh - 40px);border-radius:16px;padding:18px;text-align:center;overflow:auto}.image-dialog .icon-button{position:absolute;top:10px;right:10px;z-index:1;background:var(--panel-solid);border:1px solid var(--border)}#expanded-image{display:block;max-height:calc(100dvh - 120px);width:auto;max-width:100%;margin:auto;object-fit:contain}#image-caption{font-size:12px;color:var(--muted);margin-top:10px}.error-page{text-align:center;padding:65px 0 80px}.error-number{font-weight:200;font-size:120px;line-height:1.2;letter-spacing:-7px;background:linear-gradient(130deg,#987ad2,#e09ca9,#deb28b);color:transparent;background-clip:text}.error-page h1{font-size:28px;font-weight:600;margin-top:20px}.error-page>p:not(.error-number){font-size:14px;color:var(--muted);margin:18px auto 28px;max-width:390px}.error-actions{display:flex;justify-content:center;gap:14px}.no-script{text-align:center;font-size:13px;color:var(--muted)}
body.dialog-open{overflow:hidden}[data-tilt]{transform:perspective(600px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transition:transform .18s var(--ease)}.search-retry,.math-retry{color:var(--brand);border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-size:12px}.math-status{font-size:12px;color:var(--muted);padding:12px;border:1px solid var(--border);border-radius:8px}.copy-code[data-state=success]{color:var(--brand)}#expanded-image.is-error{min-width:200px;min-height:80px}.post-content .mermaid{overflow:auto;margin:24px 0;text-align:center}
.highlight table{table-layout:fixed}.post-content table:not(.highlight table){display:block;max-width:100%;overflow-x:auto}.recent-comments{margin-top:70px}.recent-comments small{color:var(--muted);font-size:11px}
body mjx-assistive-mml{position:absolute!important;width:1px!important;height:1px!important;clip-path:inset(50%);overflow:hidden!important;white-space:nowrap}
@media(min-width:1600px){.post-toc{left:calc(100% + 44px);width:195px}}
@media(max-width:1220px){.post-toc{position:static;width:auto;height:auto;order:-1;margin-bottom:28px}.post-toc details{position:static;max-height:230px;border:1px solid var(--border);padding:14px 18px;border-radius:14px;background:var(--panel)}.post-toc summary{margin-bottom:8px;list-style:revert}.reading-layout{display:flex;flex-direction:column}}
@media(max-width:850px){.desktop-nav{gap:14px}.header-actions{min-width:80px}#main-header{padding:0 20px;gap:10px}.site-logo{min-width:100px}.hero-copy h1{font-size:25px}.hero-greeting{font-size:23px}.signature{font-size:33px}.hero-avatar{width:85px;height:85px}.profile-card{gap:22px}.profile-portrait{width:215px}.page-heading h1{font-size:44px}}
@media(max-width:639px){html{scroll-padding-top:92px}#main-header{top:12px;height:54px;padding:0 15px;width:calc(100% - 24px);border-radius:19px}.desktop-nav{display:none}#menu-toggle{display:inline-flex}.header-actions{gap:3px}.site-logo{min-width:0}.site-logo>span{font-size:10px}.site-main{padding:114px 22px 36px}.ambient-top{height:320px;width:100%;opacity:.63}.ambient-top svg{width:180%;max-width:none;margin-left:-40%}.home-hero{margin:22px 0 70px;gap:0}.hero-copy h1{font-size:22px;line-height:1.65}.hero-line:first-child{display:flex;align-items:baseline;flex-wrap:wrap}.signature{font-size:31px;margin-left:5px}.hero-greeting{font-size:21px;display:block;flex-basis:100%;margin-top:4px}.hero-sharing{margin-top:6px;gap:4px;flex-wrap:nowrap;font-size:21px}.rotating-text{min-width:0;white-space:nowrap}.hero-timezone{font-size:12px;margin-top:12px}.hero-avatar{display:none}.section-heading{margin-bottom:40px}.section-heading h2{font-size:26px}.home-news,.home-topics{margin-bottom:74px}.news-grid{grid-template-columns:1fr;gap:40px}.news-column,.news-column+.news-column{padding:0 2px 0 8px;border:0}.news-column+.news-column{padding-top:18px}.news-column+.news-column .outline-label{top:-5px}.outline-label{font-size:32px;right:0}.news-list li{font-size:14px;line-height:2.5}.news-list li:before{top:14px}.news-list time{font-size:11px}.news-list{margin-bottom:14px}.more-link{font-size:11px}.topic-grid{gap:14px;grid-template-columns:1fr}.topic-card{display:flex;align-items:center;min-height:128px;border-radius:20px}.topic-art{width:116px;height:128px;flex-shrink:0}.topic-art span{font-size:34px}.topic-art:before{width:94px;height:94px}.topic-art:after{width:72px;height:72px}.topic-info{padding:18px}.topic-info h3{font-size:18px}.topic-info .eyebrow{font-size:9px;letter-spacing:1px}.topic-card>.icon{right:17px;bottom:25px}.stats-grid{gap:10px}.stat-card{padding:18px 14px;border-radius:18px}.stat-card strong{font-size:34px}.stat-card small{font-size:10px;line-height:1.7}.stat-card>span{font-size:12px}.profile-card{padding:22px;gap:16px;flex-direction:column;text-align:center}.profile-portrait{width:255px;height:195px}.profile-copy h2{font-size:25px}.profile-actions{justify-content:center;margin-top:22px}.profile-copy .eyebrow{font-size:10px}.page-heading{margin-bottom:40px;gap:16px}.page-heading h1{font-size:38px;margin:12px 0 16px;letter-spacing:-1px}.heading-description{font-size:14px;line-height:1.8}.heading-count strong{font-size:36px}.heading-count small{font-size:10px}.heading-count>div{gap:7px}.eyebrow{font-size:11px}.post-card{border-radius:20px}.post-card-link{padding:20px 54px 22px 19px}.card-meta{gap:12px;font-size:10px}.category-pill{font-size:10px;padding:4px 8px}.post-card h2{font-size:19px;letter-spacing:-.4px}.card-arrow{right:16px;width:29px;height:29px}.card-arrow .icon{width:14px;height:14px}.taxonomy-grid{grid-template-columns:1fr 1fr;gap:12px}.taxonomy-card{padding:16px 13px;border-radius:18px}.taxonomy-card span{font-size:16px}.taxonomy-card b{padding:2px 7px;font-size:10px}.tag-cloud{gap:10px}.tag-chip{padding:10px 14px;font-size:13px;gap:14px}.archive-year{grid-template-columns:1fr;gap:15px}.archive-year>h2{font-size:24px}.archive-year ul{margin-left:5px;padding-left:20px}.archive-year li:before{left:-24px}.archive-year li{gap:12px}.archive-year a{font-size:14px}.archive-year time{font-size:11px}.post{padding-top:14px}.post-heading{margin-bottom:30px;text-align:left}.post-heading h1{font-size:27px;line-height:1.45;letter-spacing:-.6px}.post-meta{justify-content:flex-start;font-size:11px;gap:8px 14px;margin-top:18px}.post-content{font-size:16px;line-height:1.9}.post-content h2{font-size:23px}.post-content h3{font-size:20px}.post-content figure.highlight,.post-content>pre{border-radius:10px;margin:1.5em -3px}.post-content pre{font-size:12px}.post-content table{font-size:13px}.post-content th,.post-content td{padding:8px 10px}.post-neighbors{grid-template-columns:1fr;gap:12px}.related-grid{grid-template-columns:1fr}.post-copyright{padding:16px;font-size:11px}.post-content img{border-radius:8px}.comments-section{margin-top:42px}.site-footer{margin:36px auto 20px;padding:25px 24px 22px;border-radius:20px}.footer-links{gap:18px}.footer-links a,.footer-search{font-size:13px}.footer-base{font-size:10px;line-height:1.8}.footer-meta{font-size:10px}.back-top{right:14px;bottom:14px;width:34px;height:34px}.search-dialog{margin:9vh auto auto;max-height:80dvh}.search-top{padding:12px 15px;gap:9px}#search-input{font-size:14px}.search-results{max-height:55dvh}.search-help{padding:12px 16px;font-size:9px}.search-status{padding:16px;font-size:12px}.error-page{padding:35px 0}.error-number{font-size:100px}.error-page h1{font-size:25px}}
.empty-state{padding:40px 28px;border:1px solid var(--border);border-radius:24px;background:var(--panel);text-align:center}.empty-state h2{margin:0 0 12px;font-size:22px}.empty-state p{margin:0;color:var(--muted);line-height:1.8}
@media(max-width:639px){.hero-separator{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.hero-avatar{transform:none!important}}