:root{--red:#cc4942;--red-dark:#a93632;--coral-profile:#f2c5be;--coral-soft:#f7d9d3;--coral-light:#fbe7e2;--cream:#f7eee0;--lavender:#efd6ec;--green:#c9ddcb;--ink:#252628;--muted:#64605b;--canvas:#f6f4ef;--font:"Avenir Next",Avenir,Arial,"PingFang SC","Hiragino Kaku Gothic ProN","Microsoft YaHei",sans-serif;--gutter:clamp(24px,4.6vw,64px)}
*{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:120px}body{display:block;min-height:100vh;margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,summary,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}a:hover{color:var(--red-dark)}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--red-dark);outline-offset:4px}button,summary,select{cursor:pointer}button{color:inherit}img{max-width:100%;height:auto}::selection{background:#ffe8a5;color:var(--ink)}[hidden]{display:none!important}.brand-shell{max-width:1376px;margin-inline:auto;padding-inline:var(--gutter)}.skip-link{position:fixed;top:-100px;left:20px;z-index:60;background:var(--cream);padding:10px 20px;border-radius:8px}.skip-link:focus{top:12px}

html[data-overview] body,html[data-page=post] body{isolation:isolate}html[data-overview] .blog-section{background:var(--canvas)}html[data-overview] .brand-footer,html[data-page=post] .brand-footer{margin-top:0}.blog-hero{position:relative;color:#fff}.hero-inner{position:relative;padding-block:43px 38px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.15em;margin-bottom:14px}.blog-hero h1{font-size:clamp(42px,5.8vw,78px);font-weight:800;letter-spacing:-.055em;line-height:1.12;margin:0}.blog-hero h1 span{color:#fff4dc}.hero-description{font-size:clamp(18px,2vw,24px);margin:17px 0 24px}.hero-art{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden;background:linear-gradient(135deg,#a82e3b,var(--red) 48%,#b73643)}.hero-art span{position:absolute;display:block;animation-play-state:running}.hero-circle{width:48vmax;height:48vmax;top:-35vmax;right:-4vmax;border-radius:50%;background:linear-gradient(145deg,#f1826e66,#a7224033 60%,#581c3480);animation:circle-drift 12s ease-in-out -3s infinite alternate}.hero-panel{width:70vmax;height:25vmax;right:-24vmax;top:30%;border-radius:6vmax;transform:rotate(-28deg);background:linear-gradient(135deg,#66193080,#b62e414d,#ec6f553d);animation:panel-drift 16s ease-in-out -5s infinite alternate}.hero-ring{width:32vmax;height:32vmax;border:3vmax solid #ffcab12b;border-radius:50%;right:8%;bottom:-24vmax;animation:ring-drift 14s ease-in-out -7s infinite alternate}@keyframes circle-drift{from{transform:translate(3vmax,-2vmax) scale(.94)}to{transform:translate(-8vmax,8vmax) scale(1.15)}}@keyframes panel-drift{from{transform:translate(-4vmax,4vmax) rotate(-36deg)}to{transform:translate(9vmax,-4vmax) rotate(-8deg)}}@keyframes ring-drift{from{transform:translate(2vmax,2vmax) scale(.92)}to{transform:translate(-6vmax,-8vmax) scale(1.2)}}
.blog-navigation{background:var(--coral-light);border-bottom:1px solid #25262815}.blog-nav-inner{display:flex;align-items:center;gap:28px;min-height:62px;overflow:auto}.blog-nav-inner a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;font-weight:700;white-space:nowrap}.blog-nav-inner [aria-current=page]{color:var(--red-dark);text-decoration:underline;text-underline-offset:8px}.blog-nav-inner a:last-child{margin-left:auto}

.blog-section{padding:36px 0 64px}.blog-columns.columns{display:grid;grid-template-columns:minmax(180px,230px) minmax(0,1fr) minmax(180px,230px);grid-template-areas:"profile main widgets";gap:26px;margin:0;align-items:start}.blog-columns>.column{padding:0;min-width:0;max-width:100%;width:auto}.column-main{grid-area:main}.column-left{grid-area:profile}.column-right{grid-area:widgets;display:grid;gap:22px}.card{border-radius:12px;box-shadow:0 5px 16px #25262808;border:1px solid #2526280c;overflow:hidden;background:var(--cream);margin:0}.card+.card{margin-top:24px}.card-content{padding:28px}.profile-card{background:var(--coral-profile);border-color:#cc49421f;text-align:center}.profile-card .card-content{padding:28px 20px}.avatar{display:block;width:104px;height:104px;border-radius:50%;margin:0 auto 20px;object-fit:cover;border:4px solid #ffffff80}.profile-name{font-size:26px;letter-spacing:-.055em;font-weight:800;line-height:1.2;margin-bottom:14px}.profile-name span{color:var(--red-dark)}.profile-intro{font-size:14px;line-height:1.7}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:24px 0}.profile-stats a{min-width:0;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;overflow-wrap:anywhere}.profile-stats strong{font-size:26px;font-weight:800;line-height:1.2}.brand-button{display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 16px;border-radius:100px;background:var(--red-dark);color:#fff;font-size:14px;font-weight:700}.brand-button:hover{background:var(--ink);color:#fff}.profile-portfolio{display:inline-flex;align-items:center;min-height:44px;font-size:13px;font-weight:700;margin-top:8px}.sidebar-module.card{margin:0;box-shadow:none;border-color:#cc49421f}.coral{background:var(--coral-soft)}.coral-light{background:var(--coral-light)}.sidebar-module summary{padding:20px 20px 0;font-size:11px;font-weight:800;letter-spacing:.055em;list-style:none}.sidebar-module summary::-webkit-details-marker{display:none}.sidebar-module summary>span:last-child{display:none}.sidebar-content{padding:14px 20px 22px}.recent-list{display:grid;gap:16px}.recent-list a{display:flex;flex-direction:column;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.recent-list time{font-size:10px;color:#47433f;margin-bottom:5px}.term-list{list-style:none;margin:0;padding:0}.term-list li+li{margin-top:12px}.term-list a{display:flex;justify-content:space-between;gap:12px;align-items:center;min-height:24px;font-size:13px}.term-list a>span:last-child{font-size:11px;background:#ffffff60;min-width:22px;text-align:center;border-radius:4px}.tag-cloud{display:flex;gap:8px;flex-wrap:wrap}.tag-cloud a{padding:4px 8px;border-radius:6px;background:#ffffff50;font-size:12px;overflow-wrap:anywhere}.tag-cloud small{margin-left:8px;font-size:10px}.list-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin:0 0 22px}.list-title{font-size:28px;font-weight:800;letter-spacing:-.04em;line-height:1.25;margin:0;overflow-wrap:anywhere}.article-filter{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);flex-wrap:wrap}.article-filter select{padding:8px 24px 8px 10px;background:#fff9f0;border:1px solid #25262825;border-radius:8px;max-width:100%;font-size:12px;color:var(--ink);min-height:38px}.article-preview .card-content{padding:28px}.article-cover{display:block;width:100%;overflow:hidden;line-height:0;background:var(--cream)}.article-cover img{display:block;width:100%;aspect-ratio:1200/560;object-fit:cover}
/* Keep covers compact so article titles appear sooner. */
.article-preview .article-cover img,.article-full .article-cover img{height:160px;aspect-ratio:auto;object-position:center}
.blog-hero,.blog-navigation,.blog-section,.brand-footer{max-width:1376px;margin-inline:auto}
.article-meta{display:flex;gap:8px 13px;align-items:center;flex-wrap:wrap;font-size:11px;color:#57534e;line-height:1.5;margin-bottom:14px}.language-badge{border:1px solid #25262830;border-radius:100px;padding:2px 7px;color:var(--ink);font-size:10px}.test-badge{font-size:10px;color:#7a2724;background:#cc494211;padding:3px 7px;border-radius:4px}.article-title{font-size:clamp(24px,2.7vw,34px);line-height:1.25;letter-spacing:-.045em;font-weight:800;margin:0 0 18px;overflow-wrap:anywhere}.article-summary{font-size:15px;line-height:1.85;margin-bottom:20px;overflow-wrap:anywhere}.article-terms{display:flex;flex-wrap:wrap;gap:7px;margin-block:16px}.category-chip,.tag-chip{display:inline-flex;padding:4px 9px;max-width:100%;overflow-wrap:anywhere;font-size:11px;border-radius:5px;background:#fff8f0;min-height:28px;align-items:center}.category-chip{background:#c9ddcb80}.tag-chip{color:#5c4659;background:#efd6ec80}.read-more{display:flex;justify-content:space-between;align-items:center;min-height:44px;font-size:13px;font-weight:700;margin-top:22px}.circle-arrow{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;font-size:21px;transition:transform .2s}.read-more:hover .circle-arrow{transform:rotate(45deg)}.blog-pagination{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:30px;flex-wrap:wrap}.blog-pagination a{min-width:38px;min-height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #25262825;border-radius:8px;font-size:12px;margin:0;background:#fff9f0;padding:6px 10px}.page-numbers{display:flex;gap:6px;align-items:center}.blog-pagination .current{background:var(--red-dark);color:#fff;border-color:var(--red-dark)}.empty-state{padding:40px 24px;text-align:center}

.reading-columns.columns{grid-template-columns:minmax(0,1fr) 240px;grid-template-areas:"main toc";justify-content:center;gap:28px}.column-toc{grid-area:toc;position:sticky;top:128px}.toc-card{background:var(--coral-soft);border-color:#cc49421f;padding:22px;box-shadow:none}.toc-card summary{font-weight:800;list-style:none;font-size:13px}.toc-links{font-size:12px;margin-top:18px;max-height:calc(100svh - 220px);overflow-y:auto;overflow-wrap:anywhere}.toc-links ol{padding-left:15px;margin:0}.toc-links>ol{padding-left:0;list-style:none}.toc-links li{margin:8px 0}.toc-links a{display:inline-block}.toc-links .active{color:var(--red-dark);font-weight:800}.article-full .card-content{padding:36px 40px}.article-full .article-title{font-size:clamp(30px,3.8vw,48px);line-height:1.2}.test-notice{font-size:12px;background:#fff9f0;border-left:3px solid var(--red);padding:12px 16px;margin:24px 0;color:#55514b}.article-content{font-size:17px;line-height:1.9;overflow-wrap:anywhere;margin-top:32px}.article-content h2{font-size:28px;font-weight:800;line-height:1.35;margin-top:2em;margin-bottom:.8em;letter-spacing:-.03em}.article-content h3{font-size:22px;font-weight:700;margin-top:1.8em}.article-content h4,.article-content h5,.article-content h6{font-weight:700;font-size:18px}.article-content a{color:var(--red-dark);text-decoration:underline;text-underline-offset:3px}.article-content blockquote{background:#efd6ec66;border-left:3px solid #986990;color:var(--ink);padding:16px 20px}.article-content code{background:#e8dccb;color:#87352f;font-size:.85em;padding:2px 5px;border-radius:4px}.article-content pre,.article-content figure.highlight{max-width:100%;overflow:auto;background:#282938;color:#e9e5dc;border-radius:9px;padding:18px;margin-block:24px;line-height:1.6;position:relative}.article-content figure.highlight{padding-top:50px}.article-content figure.highlight table{width:auto;background:transparent;border:0;margin:0;display:table}.article-content figure.highlight td{padding:0;border:0}.article-content figure.highlight pre{margin:0;padding:0;white-space:pre;background:transparent;overflow:visible}.article-content pre code{padding:0;background:transparent;color:inherit;white-space:pre}.article-content .highlight .string{color:#b4e5ca}.article-content .highlight .keyword{color:#e9a2d6}.article-content .highlight .number,.article-content .highlight .literal{color:#ffbd65}.article-content .highlight .comment{color:#a6a2ae}.article-content .highlight .title{color:#b6bcff}.copy-button{position:absolute;top:9px;right:12px;color:#fff;font-size:11px;min-height:32px;padding:4px 10px;background:#ffffff16;border:1px solid #ffffff50;border-radius:5px}.copy-button:focus-visible{outline-color:#fff}.table-scroll{max-width:100%;overflow:auto;margin:24px 0}.article-content table{font-size:14px;border-collapse:collapse;min-width:100%;width:max-content;margin:0;background:#fff9f0}.article-content th,.article-content td{border-bottom:1px solid #25262820;padding:12px 14px;white-space:normal}.article-content th{background:#c9ddcb66;font-weight:700}.article-content .katex-display{overflow-x:auto;overflow-y:hidden;padding:12px 0;max-width:100%;margin:24px 0}.article-content .katex{font-size:1.1em}.article-content .image-figure{margin:28px 0}.image-trigger{display:block;border:0;padding:0;background:none;border-radius:8px;overflow:hidden;width:100%;cursor:zoom-in}.image-trigger img{display:block;margin:0;width:auto;max-width:100%;height:auto;margin-inline:auto}.image-figure figcaption{font-size:12px;text-align:center;color:var(--muted);margin-top:10px}.post-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;border-top:1px solid #25262820;margin-top:36px;padding-top:24px}.post-navigation a{display:flex;flex-direction:column;gap:7px;overflow-wrap:anywhere;font-size:13px}.post-navigation a>span{color:var(--muted);font-size:11px}.post-navigation strong{font-weight:700}.back-link{display:inline-flex;align-items:center;min-height:44px;margin-top:25px;color:var(--red-dark);font-size:13px;font-weight:700}
.taxonomy-card .list-title,.search-card .list-title{margin-bottom:22px}.taxonomy-grid{display:grid;gap:12px}.taxonomy-grid a{display:flex;align-items:center;gap:18px;min-height:62px;border:1px solid #25262818;border-radius:9px;padding:12px 18px;font-size:17px;font-weight:700}.taxonomy-grid a>span:nth-child(2){margin-left:auto;font-size:11px;font-weight:400}.tag-cloud-large a{font-size:15px;padding:10px 14px}.search-hint{font-size:14px;color:var(--muted);margin-bottom:24px}#search-form{display:flex;flex-direction:column;gap:12px}#search-form>label:first-child{font-size:12px;font-weight:700}#search-input{width:100%;min-height:52px;border:1px solid #25262840;border-radius:9px;background:#fff9f0;padding:12px 14px;color:var(--ink);font-size:16px}#search-status{font-size:13px;margin:24px 0;color:var(--muted)}.search-result{padding:24px 0;border-top:1px solid #25262820}.search-result h2{font-size:22px;line-height:1.4;font-weight:700;overflow-wrap:anywhere}.search-result p{margin:12px 0;font-size:14px;overflow-wrap:anywhere}.search-result small{font-size:11px;color:var(--muted)}.search-result mark{background:#ffd0a0;color:var(--ink)}#search-retry{border:1px solid #25262830;border-radius:8px;min-height:44px;padding:8px 16px;background:#fff9f0}
.brand-footer{background:var(--red);color:#fff;margin-top:20px}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:24px;padding-block:46px 30px}.footer-name{font-size:clamp(36px,4vw,60px);letter-spacing:-.055em;font-weight:800;line-height:1.2;margin-bottom:12px}.footer-inner p:not(.footer-name){font-size:14px}.footer-links{display:flex;gap:24px;align-items:center;font-size:13px;font-weight:700}.footer-links a{display:inline-flex;align-items:center;min-height:44px}.brand-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:5px}.footer-inner small{grid-column:1/-1;font-size:11px;margin-top:12px}.brand-footer :focus-visible{outline-color:#fff}
#image-dialog{padding:16px 24px;color:#fff;background:#252628;border:0;border-radius:14px;width:min(1100px,94vw);max-width:94vw;max-height:94svh;overflow:auto;box-shadow:0 20px 80px #0008}#image-dialog::backdrop{background:#000c}#image-dialog img{max-height:72svh;max-width:100%;object-fit:contain;display:block;margin:auto}.viewer-toolbar{display:flex;justify-content:flex-end}.viewer-toolbar button,.viewer-body>button{background:transparent;border:1px solid #ffffff60;color:#fff;border-radius:50%;width:44px;height:44px;flex-shrink:0;font-size:22px}.viewer-body{display:flex;align-items:center;gap:14px;margin-top:14px}.viewer-body figure{min-width:0;flex:1;margin:0}.viewer-body figcaption{text-align:center;margin-top:14px;font-size:13px}#viewer-count{text-align:center;font-size:12px;margin-top:14px}#image-dialog :focus-visible{outline-color:#fff}
@media(max-width:1100px){.blog-columns.columns{grid-template-columns:minmax(0,1fr) 235px;grid-template-areas:"main widgets" "profile widgets"}.column-left{max-width:500px!important}.reading-columns.columns{grid-template-columns:minmax(0,1fr) 210px;grid-template-areas:"main toc"}.list-heading{flex-direction:column;gap:12px}.article-full .card-content{padding:30px}.article-content{font-size:16px}}
@media(max-width:760px){html{scroll-padding-top:96px}.hero-inner{padding-block:32px 26px}.blog-hero h1{font-size:clamp(35px,8.3vw,58px)}.hero-description{font-size:17px;margin:16px 0 20px}.hero-circle{width:110vw;height:110vw;top:-65vw;right:-40vw}.hero-panel{width:140vw;height:70vw;right:-100vw}.hero-ring{width:90vw;height:90vw;bottom:-70vw;right:10vw}.blog-nav-inner{min-height:58px;gap:22px}.blog-nav-inner a{font-size:12px}.blog-section{padding:24px 0 44px}.blog-columns.columns{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"main" "profile" "widgets";gap:24px}.column-left{max-width:none!important}.column-right{gap:12px}.card-content,.article-preview .card-content{padding:23px}.sidebar-module summary{padding:18px 20px;display:flex;justify-content:space-between;min-height:54px}.sidebar-module summary>span:last-child{display:inline}.sidebar-module[open] summary>span:last-child{transform:rotate(45deg)}.sidebar-content{padding-top:0}.profile-card .card-content{padding:26px}.avatar{width:90px;height:90px}.profile-stats{max-width:280px;margin:22px auto}.profile-card .brand-button{max-width:280px;margin:auto}.reading-columns.columns{grid-template-areas:"toc" "main";gap:18px}.column-toc{position:static}.toc-card{padding:18px 20px}.toc-card summary{list-style:revert;min-height:25px}.toc-links{max-height:50svh}.article-full .card-content{padding:24px 22px}.article-full .article-title{font-size:30px}.article-content{font-size:16px;line-height:1.85}.article-content h2{font-size:25px}.article-content h3{font-size:21px}.article-title{font-size:27px}.article-meta{gap:8px 10px}.article-summary{font-size:14px}.list-heading{flex-direction:row;align-items:center;flex-wrap:wrap}.list-title{font-size:26px}.article-filter{font-size:10px;gap:6px}.footer-inner{grid-template-columns:1fr;gap:20px;padding-block:34px 24px}.footer-links{gap:24px}.viewer-body{gap:6px}#image-dialog{padding:12px}.viewer-body>button{width:34px;height:34px}.post-navigation{gap:12px}.taxonomy-grid a{padding:12px;font-size:16px}.taxonomy-grid a>span:nth-child(2){font-size:10px}.search-result h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.circle-arrow{transition:none}}
.toc-links ol{list-style:none}

@media(max-width:760px){.article-preview .article-cover img,.article-full .article-cover img{height:140px}}

/* Year-grouped archive timeline, following the old blog's date/title list. */
.archive-timeline{position:relative;padding:30px 30px 30px 46px}
.archive-timeline::before{content:"";position:absolute;left:30px;top:44px;bottom:36px;width:2px;background:#cc494233}
.archive-year-group{position:relative}
.archive-year-group+.archive-year-group{margin-top:30px}
.archive-year{position:relative;margin:0 0 12px;font-size:26px;line-height:1.3;font-weight:800;letter-spacing:-.04em;color:var(--red-dark)}
.archive-year::before{content:"";position:absolute;left:-22px;top:10px;width:14px;height:14px;border:3px solid var(--red);border-radius:50%;background:var(--cream)}
.archive-posts{list-style:none;margin:0;padding:0}
.archive-entry{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);gap:14px;align-items:baseline;padding:12px 0}
.archive-dot{position:absolute;left:-19px;top:23px;width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px var(--cream)}
.archive-entry time{font-size:12px;font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap}
.archive-entry a{display:block;min-width:0;font-size:15px;font-weight:600;line-height:1.6;overflow-wrap:anywhere}
.archive-entry a:hover{color:var(--red-dark);text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.archive-timeline{padding:24px 20px 24px 38px}.archive-timeline::before{left:22px;top:36px;bottom:30px}.archive-year{font-size:24px}.archive-entry{grid-template-columns:42px minmax(0,1fr);gap:10px}.archive-entry a{font-size:14px}}