:root{--paper:#f7f5ef;--paper-deep:#efebe2;--surface:#fffdf9;--ink:#211d19;--ink-soft:#62594f;--ink-faint:#8c8378;--line:rgba(33, 29, 25, .13);--line-strong:rgba(33, 29, 25, .24);--accent:#8b5537;--accent-deep:#653c28;--accent-soft:#efe2d3;--serif:"Noto Serif CJK SC", "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;--sans:Inter, "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--content-width:1200px;--nav-height:72px;--radius:16px;--ease:cubic-bezier(.2, .7, .2, 1);color-scheme:light}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + 24px);background:var(--paper)}body,button,input,textarea,select{font-family:var(--sans)}body{margin:0;overflow-x:hidden;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.75;letter-spacing:.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{color:var(--ink);background:rgba(139,85,55,.18)}a{color:inherit;text-decoration:none}button{color:inherit}img,svg,video{max-width:100%}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.header{position:sticky;z-index:20;top:0;min-height:var(--nav-height);border-bottom:1px solid var(--line);background:rgba(247,245,239,.97)}.nav{width:min(calc(100% - 48px),var(--content-width));max-width:var(--content-width);min-height:var(--nav-height);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:28px}.logo a{display:inline-flex;align-items:center;color:var(--ink);font-family:var(--serif);font-size:1.32rem;font-weight:600;letter-spacing:-.045em}.logo-switches{display:none}#menu{display:flex;align-items:center;gap:28px;margin:0;padding:0;list-style:none}#menu a{position:relative;display:inline-flex;align-items:center;min-height:44px;color:var(--ink-soft);font-size:.9rem;transition:color .2s ease}#menu a::after{position:absolute;right:0;bottom:7px;left:0;height:1px;background:var(--accent);content:"";transform:scaleX(0);transform-origin:right;transition:transform .24s var(--ease)}#menu a:hover,#menu a.active{color:var(--accent-deep)}#menu a:hover::after,#menu a.active::after{transform:scaleX(1);transform-origin:left}.main{width:min(calc(100% - 48px),var(--content-width))!important;max-width:var(--content-width)!important;margin:0 auto!important;padding-right:0!important;padding-left:0!important}.footer{width:min(calc(100% - 48px),var(--content-width));max-width:var(--content-width);margin:0 auto;padding:26px 0 38px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);color:var(--ink-faint);font-family:var(--mono);font-size:.72rem}.footer a{transition:color .2s ease}.footer a:hover,.footer-github:hover{color:var(--accent-deep)}.footer-github{margin-left:16px;color:var(--ink-soft)}.breadcrumbs{color:var(--ink-faint);font-family:var(--mono);font-size:.72rem}.metavis-home{padding-bottom:84px}.hero{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.15fr)minmax(290px,.85fr);align-items:center;gap:clamp(48px,7vw,104px);min-height:calc(100svh - var(--nav-height));padding:84px 0 76px;overflow:hidden;border-bottom:1px solid var(--line)}.hero-copy,.hero-aside{position:relative;z-index:1;min-width:0}.hero-kicker,.section-label,.statement-label,.research-kicker,.content-kicker,.comments-kicker,.article-module-kicker,.article-kicker{color:var(--accent);font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.035em;line-height:1.5}.hero-kicker{margin:0 0 25px}.hero h1{max-width:820px;margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(3.5rem,6.6vw,6.65rem);font-weight:500;letter-spacing:-.085em;line-height:1.06}.hero h1 span,.hero h1 em{display:block;white-space:normal;overflow-wrap:anywhere}.hero h1 em{color:var(--accent);font-style:normal}.hero-lead{max-width:650px;margin:30px 0 0;color:var(--ink-soft);font-size:clamp(1rem,1.45vw,1.15rem);line-height:1.95}.hero-actions{display:flex;flex-wrap:wrap;gap:24px;align-items:center;margin-top:36px}.text-link{display:inline-flex;align-items:center;gap:10px;min-height:40px;padding:0 0 4px;border-bottom:1px solid var(--line-strong);color:var(--accent-deep);font-size:.9rem;transition:color .2s ease,border-color .2s ease,transform .2s ease}.text-link span{transition:transform .2s ease}.text-link:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.text-link:hover span{transform:translateX(3px)}.text-link.primary{border-color:var(--accent)}.hero-aside{align-self:end;max-width:420px;justify-self:end;padding:0 0 12px}.hero-note{margin:0;padding:0 0 0 22px;border-left:2px solid var(--accent);color:var(--ink-soft);font-family:var(--serif);font-size:1.2rem;line-height:1.8}.hero[data-enter]{animation:hero-enter .85s var(--ease)both}@keyframes hero-enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.metavis-motion-host{position:relative;isolation:isolate}.metavis-motion-host>:not([data-metavis-motion-backdrop]){position:relative;z-index:1}.metavis-motion-host>.header{position:sticky;top:0;z-index:20}.metavis-motion-host>[data-metavis-motion-backdrop]{z-index:0!important}.home-section{padding-top:clamp(76px,9vw,112px);scroll-margin-top:calc(var(--nav-height) + 24px)}.home-section.reveal-pending{opacity:0;transform:translateY(12px)}.home-section.is-visible{opacity:1;transform:none}.home-section{transition:opacity .55s ease,transform .55s var(--ease)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:36px;margin-bottom:34px}.section-heading h2{margin:9px 0 0;color:var(--ink);font-family:var(--serif);font-size:clamp(2rem,3.8vw,3.15rem);font-weight:500;letter-spacing:-.06em;line-height:1.2}.section-heading p{max-width:430px;margin:0;color:var(--ink-soft);font-size:.94rem;line-height:1.8}.research-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;width:100%}.research-card{--pointer-x:50%;--pointer-y:50%;display:flex;min-width:0;min-height:338px;flex-direction:column;padding:27px 28px 25px;border:1px solid var(--line);border-radius:var(--radius);background:radial-gradient(circle at var(--pointer-x) var(--pointer-y),rgba(139,85,55,.065),transparent 17rem),var(--surface);box-shadow:0 1px 2px rgba(33,29,25,.025);transition:transform .22s var(--ease),border-color .22s ease,box-shadow .22s ease}.research-card:hover,.research-card:focus-within{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 14px 30px rgba(57,43,31,.075)}.research-card-number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line-strong);border-radius:50%;color:var(--accent);font-family:var(--mono);font-size:.72rem}.research-card h3{margin:32px 0 13px;color:var(--ink);font-family:var(--serif);font-size:1.48rem;font-weight:500;letter-spacing:-.04em;line-height:1.42;writing-mode:horizontal-tb}.research-card p{max-width:36ch;margin:0;color:var(--ink-soft);font-size:.93rem;line-height:1.85;writing-mode:horizontal-tb}.research-card-footer{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:24px;border-top:1px solid var(--line);color:var(--accent-deep);font-size:.82rem}.research-card-footer span{min-width:0;color:var(--ink-faint);font-size:.78rem;line-height:1.45}.research-card-footer a{flex:none;color:var(--accent-deep);transition:color .2s ease,transform .2s ease}.research-card-footer a:hover{color:var(--accent);transform:translateX(3px)}.home-statement{display:grid;grid-template-columns:170px minmax(0,760px);align-items:start;gap:40px;margin-top:104px;padding:38px 0 0;border-top:1px solid var(--line)}.statement-label{padding-top:8px}.statement-copy{margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(1.35rem,2.3vw,1.9rem);line-height:1.75;letter-spacing:-.025em}.research-page{padding:clamp(64px,8vw,104px)0 100px}.research-hero{max-width:1040px;padding-bottom:52px;border-bottom:1px solid var(--line)}.research-hero-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.research-kicker{color:var(--accent)}.research-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr)minmax(260px,.8fr);gap:60px;margin-top:44px}.research-index{color:var(--accent);font-family:var(--mono);font-size:.76rem}.research-title-block h1{margin:12px 0 16px;color:var(--ink);font-family:var(--serif);font-size:clamp(3rem,6.2vw,5.6rem);font-weight:500;letter-spacing:-.075em;line-height:1.04}.research-dek{max-width:580px;margin:0;color:var(--ink-soft);font-size:1.02rem;line-height:1.9}.research-signal{align-self:end;border-top:1px solid var(--line)}.signal-row{display:grid;grid-template-columns:90px minmax(0,1fr);gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.signal-label{color:var(--ink-faint);font-size:.78rem}.signal-row strong{color:var(--ink-soft);font-size:.82rem;font-weight:500;line-height:1.6}.research-body-grid{display:grid;grid-template-columns:190px minmax(0,720px);gap:64px;padding-top:60px}.research-rail{color:var(--ink-faint);font-size:.78rem}.rail-sticky{position:sticky;top:calc(var(--nav-height) + 28px)}.rail-label{color:var(--accent);font-family:var(--mono);font-size:.72rem}.research-toc{margin-top:15px;line-height:1.85}.research-toc ul{margin:0;padding-left:14px;list-style:none}.research-toc li{margin:5px 0}.research-toc a{color:var(--ink-faint);transition:color .2s ease}.research-toc a:hover{color:var(--accent-deep)}.rail-footer{display:flex;align-items:center;gap:9px;margin-top:34px;color:var(--ink-faint);font-size:.76rem}.rail-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}.research-content{min-width:0}.content-kicker{color:var(--accent)}.content-rule{display:block;width:100%;height:1px;margin:12px 0 30px;background:var(--line)}.post-content{color:var(--ink-soft);font-size:1rem;line-height:1.95;overflow-wrap:anywhere}.post-content h2,.post-content h3{color:var(--ink);font-family:var(--serif);font-weight:500;letter-spacing:-.035em;line-height:1.35}.post-content h2{margin:2.6em 0 .7em;font-size:1.75rem}.post-content h3{margin:2em 0 .6em;font-size:1.32rem}.post-content strong{color:var(--ink)}.post-content a{color:var(--accent-deep);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:3px}.post-content a:hover{color:var(--accent)}.post-content blockquote{margin:1.7em 0;padding:15px 20px;border-left:2px solid var(--accent);background:var(--accent-soft);color:var(--ink-soft)}.post-content code{border:1px solid var(--line);border-radius:5px;background:var(--paper-deep);padding:.15em .35em;font-family:var(--mono);font-size:.86em}.post-content pre{overflow:auto;margin:1.6em 0;padding:20px;border:1px solid rgba(255,255,255,8%);border-radius:10px;background:#28241f;color:#f7f5ef;line-height:1.7}.post-content pre code{border:0;background:0 0;padding:0;color:inherit}.post-content img{display:block;max-width:100%;height:auto;margin:30px auto;border:1px solid var(--line);border-radius:8px}.posts-page{padding:clamp(64px,8vw,104px)0 100px}.posts-header{max-width:800px;padding-bottom:38px;border-bottom:1px solid var(--line)}.posts-header h1{margin:10px 0 0;color:var(--ink);font-family:var(--serif);font-size:clamp(3rem,6.2vw,5.6rem);font-weight:500;letter-spacing:-.075em;line-height:1.04}.posts-header p{max-width:620px;margin:20px 0 0;color:var(--ink-soft);font-size:1rem;line-height:1.85}.article-modules{max-width:960px;margin-top:44px}.article-module{padding:30px 0 34px;border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--nav-height) + 24px)}.article-module:target,.article-module.hash-focus{border-color:var(--accent);background:rgba(239,226,211,.34)}.article-module-head{display:grid;grid-template-columns:42px minmax(0,1fr);gap:20px;align-items:start}.article-module-index{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--line-strong);border-radius:50%;color:var(--accent);font-family:var(--mono);font-size:.72rem}.article-module-kicker{color:var(--accent)}.article-module-head h2{margin:8px 0 7px;color:var(--ink);font-family:var(--serif);font-size:1.7rem;font-weight:500;letter-spacing:-.045em;line-height:1.3}.article-module-head p{max-width:700px;margin:0;color:var(--ink-soft);font-size:.94rem;line-height:1.8}.article-module-list{margin:23px 0 0 62px;border-top:1px solid var(--line)}.article-module-entry{display:grid;grid-template-columns:112px minmax(0,1fr)22px;gap:18px;align-items:baseline;padding:15px 0;border-bottom:1px solid var(--line);transition:padding-left .2s ease,color .2s ease,background .2s ease}.article-module-entry>span{color:var(--ink-faint);font-family:var(--mono);font-size:.75rem}.article-module-entry h3{margin:0;color:var(--ink);font-family:var(--serif);font-size:1.08rem;font-weight:500;line-height:1.5}.article-module-entry p{margin:4px 0 0;color:var(--ink-soft);font-size:.84rem;line-height:1.65}.article-module-entry b{color:var(--accent);font-weight:400}.article-module-entry:hover{padding-left:7px;background:rgba(239,226,211,.28)}.article-module-entry:hover h3{color:var(--accent-deep)}.article-module-empty{padding:17px 0 0;color:var(--ink-faint);font-size:.9rem}.section-page,.article-page,.error-page{padding:clamp(64px,8vw,104px)0 100px}.section-header{max-width:800px;padding-bottom:38px;border-bottom:1px solid var(--line)}.section-header h1{margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(3rem,6.2vw,5.6rem);font-weight:500;letter-spacing:-.075em;line-height:1.04}.section-header p{max-width:620px;margin:20px 0 0;color:var(--ink-soft);font-size:1rem;line-height:1.85}.section-intro{max-width:720px;padding-top:36px}.section-list{max-width:920px;margin-top:48px;border-top:1px solid var(--line)}.section-entry{display:grid;grid-template-columns:112px minmax(0,1fr)22px;gap:18px;align-items:baseline;padding:17px 0;border-bottom:1px solid var(--line);transition:padding-left .2s ease,background .2s ease}.section-entry:hover{padding-left:8px;background:rgba(239,226,211,.25)}.section-entry-meta{color:var(--ink-faint);font-family:var(--mono);font-size:.75rem}.section-entry h2{margin:0;color:var(--ink);font-family:var(--serif);font-size:1.18rem;font-weight:500}.section-entry p{margin:5px 0 0;color:var(--ink-soft);font-size:.86rem;line-height:1.65}.section-entry::after{color:var(--accent);content:"→"}.research-article{max-width:1e3px;margin:0 auto}.article-header{max-width:800px;margin:0 auto;padding:0 0 42px;text-align:center}.article-header .breadcrumbs{justify-content:center;margin-bottom:24px}.article-kicker{margin-bottom:14px}.article-header h1{margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(2.7rem,5.7vw,4.9rem);font-weight:500;letter-spacing:-.07em;line-height:1.12}.article-description{max-width:660px;margin:19px auto 0;color:var(--ink-soft);font-size:1rem;line-height:1.85}.article-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-top:20px;color:var(--ink-faint);font-family:var(--mono);font-size:.75rem}.article-grid{display:grid;grid-template-columns:minmax(0,700px)180px;justify-content:center;gap:60px;padding-top:38px;border-top:1px solid var(--line)}.article-body{min-width:0;color:var(--ink-soft);font-size:1.05rem;line-height:2;overflow-wrap:anywhere}.article-body p{margin:1.1em 0}.article-body h2{margin:2.7em 0 .7em;padding-left:15px;border-left:2px solid var(--accent);color:var(--ink);font-family:var(--serif);font-size:1.72rem;font-weight:500;letter-spacing:-.04em;line-height:1.35}.article-body h3{margin:2em 0 .55em;color:var(--ink);font-family:var(--serif);font-size:1.32rem;font-weight:500}.article-body strong{color:var(--ink)}.article-body a{color:var(--accent-deep);text-decoration:underline;text-decoration-color:var(--line-strong);text-underline-offset:3px}.article-body a:hover{color:var(--accent)}.article-body blockquote{margin:1.5em 0;padding:15px 20px;border-left:2px solid var(--accent);background:var(--accent-soft);color:var(--ink-soft)}.article-body pre{overflow:auto;padding:20px;border-radius:10px;background:#28241f;color:#f7f5ef;line-height:1.7}.article-body code{font-family:var(--mono);font-size:.88em}.article-toc{position:sticky;top:calc(var(--nav-height) + 24px);align-self:start;color:var(--ink-faint);font-size:.78rem;line-height:1.8}.article-toc>p{margin:0 0 12px;color:var(--accent);font-family:var(--mono);font-size:.72rem}.article-toc ul{margin:0;padding-left:14px}.article-toc li{margin:5px 0}.article-toc a{color:var(--ink-faint);transition:color .2s ease}.article-toc a:hover{color:var(--accent-deep)}.mobile-toc{display:none;margin:0 0 24px;padding:12px 15px;border:1px solid var(--line);border-radius:8px;color:var(--ink-soft)}.mobile-toc summary{cursor:pointer;font-size:.88rem}.article-footer{max-width:700px;margin:48px auto 0;padding-top:17px;border-top:1px solid var(--line)}.article-footer a{margin-right:12px;color:var(--accent-deep);font-family:var(--mono);font-size:.76rem}.article-comments{max-width:700px;margin:62px auto 0;padding-top:27px;border-top:1px solid var(--line)}.article-comments-head{margin-bottom:22px}.comments-kicker{color:var(--accent)}.article-comments h2{margin:9px 0 8px;color:var(--ink);font-family:var(--serif);font-size:1.7rem;font-weight:500;letter-spacing:-.04em}.article-comments p{margin:0;color:var(--ink-soft);font-size:.9rem;line-height:1.75}.article-comments .giscus{min-height:120px}.article-comments .giscus-frame{width:100%}.archive-page{padding:clamp(64px,8vw,104px)0 100px}.archive-header{max-width:800px;padding-bottom:38px;border-bottom:1px solid var(--line)}.archive-header h1{margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(3rem,6.2vw,5.6rem);font-weight:500;letter-spacing:-.075em;line-height:1.04}.archive-header p{max-width:620px;margin:20px 0 0;color:var(--ink-soft);font-size:1rem;line-height:1.85}.archive-year{max-width:920px;margin-top:48px}.archive-year+.archive-year{margin-top:64px}.archive-year-title{display:flex;align-items:baseline;gap:12px;margin:0;color:var(--accent-deep);font-family:var(--serif);font-size:2.25rem;font-weight:500;letter-spacing:-.055em}.archive-count{color:var(--ink-faint);font-family:var(--mono);font-size:.75rem;font-weight:400}.archive-month{margin-top:23px}.archive-month-title{margin:0;padding-bottom:10px;border-bottom:1px solid var(--line);color:var(--accent);font-family:var(--mono);font-size:.75rem;font-weight:500}.archive-entry{display:grid;grid-template-columns:112px minmax(0,1fr)22px;gap:18px;align-items:baseline;padding:15px 0;border-bottom:1px solid var(--line);transition:padding-left .2s ease,background .2s ease}.archive-entry-date{color:var(--ink-faint);font-family:var(--mono);font-size:.74rem}.archive-entry-title{margin:0;color:var(--ink);font-family:var(--serif);font-size:1.08rem;font-weight:500}.archive-entry-meta{margin-top:4px;color:var(--ink-soft);font-size:.84rem}.archive-entry-arrow{color:var(--accent)}.archive-entry:hover{padding-left:7px;background:rgba(239,226,211,.24)}.archive-entry:hover .archive-entry-title{color:var(--accent-deep)}.error-page{max-width:720px;margin:0 auto;text-align:center}.error-page h1{margin:0;color:var(--accent);font-family:var(--serif);font-size:clamp(5rem,14vw,9rem);font-weight:500;letter-spacing:-.09em;line-height:.95}.error-page p{color:var(--ink-soft);line-height:1.8}.error-page a{color:var(--accent-deep)}.post-entry,.first-entry{box-shadow:none}.post-content ul,.post-content ol{padding-left:1.35em}@media(max-width:960px){.hero{grid-template-columns:1fr;gap:40px;min-height:auto;padding:76px 0 64px}.hero-aside{justify-self:start;max-width:620px;padding-top:0}.research-grid{grid-template-columns:1fr}.research-card{min-height:0}.research-card h3{margin-top:23px}.section-heading{align-items:start;flex-direction:column;gap:14px}.research-hero-grid{grid-template-columns:1fr;gap:34px}.research-body-grid{grid-template-columns:1fr;gap:28px}.research-rail{display:none}.research-content{max-width:760px}.article-grid{grid-template-columns:minmax(0,700px)}.article-toc{display:none}.mobile-toc{display:block}}@media(max-width:680px){:root{--nav-height:64px}.nav,.main,.footer{width:min(calc(100% - 32px),var(--content-width))!important;max-width:var(--content-width)!important}.nav{min-height:var(--nav-height);gap:14px}.logo a{font-size:1.2rem}#menu{flex-wrap:wrap;justify-content:flex-end;gap:4px 15px}#menu a{min-height:40px;font-size:.82rem}#menu a::after{bottom:3px}.hero{padding:62px 0 52px;gap:34px}.hero-kicker{margin-bottom:18px}.hero h1{font-size:clamp(2.8rem,11.8vw,4.6rem);line-height:1.1;letter-spacing:-.075em}.hero-lead{margin-top:22px;font-size:1rem;line-height:1.85}.hero-actions{gap:18px;margin-top:28px}.hero-aside{width:100%}.hero-note{padding-left:16px;font-size:.98rem}.home-section{padding-top:68px}.section-heading{margin-bottom:24px}.section-heading h2{font-size:2rem}.section-heading p{font-size:.9rem}.research-grid{gap:12px}.research-card{min-height:321px;padding:22px 21px;border-radius:13px}.research-card h3{margin:21px 0 9px;font-size:1.38rem}.research-card p{font-size:.9rem}.research-card-footer{padding-top:18px}.home-statement{grid-template-columns:1fr;gap:12px;margin-top:72px;padding-top:25px}.statement-copy{font-size:1.35rem}.posts-page,.research-page,.archive-page,.article-page,.section-page,.error-page{padding-top:58px;padding-bottom:72px}.posts-header h1,.archive-header h1,.section-header h1{font-size:clamp(2.8rem,12vw,4.5rem)}.article-module{padding:24px 0 27px}.article-module-head{grid-template-columns:36px minmax(0,1fr);gap:13px}.article-module-head h2{font-size:1.45rem}.article-module-head p{font-size:.88rem}.article-module-list{margin:18px 0 0}.article-module-entry{grid-template-columns:minmax(0,1fr)18px;gap:7px 12px;padding:13px 0}.article-module-entry>span{grid-column:1/-1}.article-module-entry h3{font-size:1.02rem}.article-module-entry p{font-size:.82rem}.research-hero-top{align-items:flex-start;flex-direction:column}.research-hero-grid{margin-top:30px}.research-title-block h1{font-size:clamp(2.7rem,11vw,4.3rem)}.research-body-grid{padding-top:38px}.post-content{font-size:.98rem}.article-header{text-align:left}.article-header .breadcrumbs,.article-meta{justify-content:flex-start}.article-header h1{font-size:clamp(2.45rem,10vw,4rem)}.article-description{margin-left:0;font-size:.95rem}.article-grid{padding-top:26px}.article-body{font-size:1rem}.article-body h2{font-size:1.5rem}.article-comments{margin-top:44px}.section-entry,.archive-entry{grid-template-columns:minmax(0,1fr)18px;gap:7px 12px}.section-entry-meta,.archive-entry-date{grid-column:1/-1}.footer{align-items:flex-start;flex-direction:column;gap:10px;padding:22px 0 30px}.footer-github{margin-left:0}}@media(max-width:420px){.nav{align-items:center}#menu{gap:3px 10px}#menu a{font-size:.76rem}.research-card-footer{align-items:flex-start;flex-direction:column;gap:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.home-section.reveal-pending{opacity:1;transform:none}}:root{--paper:#f7f4ee;--paper-deep:#eee8dd;--surface:#fdfbf7;--ink:#29231e;--ink-soft:#625950;--ink-faint:#887e73;--line:rgba(53, 41, 30, .12);--line-strong:rgba(53, 41, 30, .23);--accent:#8a5739;--accent-deep:#68432e;--accent-soft:#eee2d4;--content-width:1240px;--nav-height:76px;--radius:10px}html{background:var(--paper);scroll-padding-top:calc(var(--nav-height) + 30px)}body{background:radial-gradient(ellipse at 82% 8%,rgba(138,87,57,.035),transparent 34rem),var(--paper)}.header{background:rgba(247,244,238,.88);border-bottom-color:rgba(53,41,30,.1);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.nav{width:min(calc(100% - 64px),var(--content-width));min-height:var(--nav-height);gap:32px}.logo a{font-size:1.48rem;letter-spacing:-.06em}#menu{gap:clamp(22px,3vw,40px)}#menu a{font-size:.88rem;letter-spacing:.015em}.main{width:min(calc(100% - 64px),var(--content-width))!important}.footer{width:min(calc(100% - 64px),var(--content-width));padding-top:28px}.hero{min-height:min(790px,calc(100svh - var(--nav-height)));grid-template-columns:minmax(0,1.18fr)minmax(270px,.82fr);align-items:end;gap:clamp(54px,8vw,124px);padding:clamp(88px,10vw,132px)0 clamp(82px,9vw,112px)}.hero-kicker{margin-bottom:28px;letter-spacing:.08em}.hero h1{max-width:850px;font-size:clamp(4.1rem,7.1vw,7.35rem);letter-spacing:-.065em;line-height:1.08}.hero-lead{max-width:610px;margin-top:34px;font-size:clamp(1.02rem,1.35vw,1.13rem);line-height:2}.hero-actions{gap:30px;margin-top:40px}.text-link{font-size:.9rem}.hero-aside{max-width:390px;padding:0 0 12px 26px;border-left:1px solid var(--line-strong)}.hero-aside::before{display:block;margin:0 0 20px;color:var(--accent);content:"核心问题 / RESEARCH QUESTION";font-family:var(--mono);font-size:.68rem;letter-spacing:.075em}.hero-note{padding:0;border:0;color:var(--ink);font-size:clamp(1.12rem,1.55vw,1.32rem);line-height:1.95;letter-spacing:-.018em}.home-section{padding-top:clamp(92px,10vw,126px)}.section-heading{align-items:end;gap:48px;margin-bottom:42px}.section-heading h2{margin-top:12px;font-size:clamp(2.25rem,4vw,3.35rem);letter-spacing:-.055em}.section-heading p{max-width:390px;font-size:.92rem;line-height:1.95}.research-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.research-card{min-height:366px;padding:31px 31px 27px;border-radius:9px;border-color:rgba(53,41,30,.13);background:radial-gradient(circle at var(--pointer-x) var(--pointer-y),rgba(138,87,57,7%),transparent 18rem),linear-gradient(145deg,rgba(255,253,249,.98),rgba(249,246,239,.96));box-shadow:0 2px 8px rgba(48,37,27,.025);transition:transform .28s var(--ease),border-color .28s ease,box-shadow .28s ease,background-color .28s ease}.research-card:hover,.research-card:focus-within{transform:translateY(-4px);border-color:rgba(104,67,46,.28);box-shadow:0 18px 42px rgba(57,43,31,.085)}.research-card-number{width:36px;height:36px;border-color:rgba(138,87,57,.32);background:rgba(238,226,212,.32);font-size:.7rem}.research-card h3{min-height:2.8em;margin:38px 0 15px;font-size:clamp(1.38rem,1.65vw,1.62rem);letter-spacing:-.045em;line-height:1.48}.research-card p{min-height:4.8em;max-width:34ch;font-size:.91rem;line-height:1.95}.research-card-footer{padding-top:22px;border-top-color:rgba(53,41,30,.11)}.research-card-footer span{font-size:.75rem;letter-spacing:.025em}.research-card-footer a{font-size:.82rem}.home-statement{grid-template-columns:180px minmax(0,800px);gap:52px;margin-top:clamp(100px,11vw,140px);padding:42px 0 12px;border-top-color:var(--line-strong)}.statement-label{padding-top:10px;letter-spacing:.06em}.statement-copy{font-size:clamp(1.42rem,2.35vw,1.95rem);line-height:1.82;letter-spacing:-.03em}.research-page,.posts-page,.archive-page,.article-page,.section-page{padding-top:clamp(76px,8vw,112px);padding-bottom:clamp(84px,9vw,116px)}.research-hero{max-width:100%;padding-bottom:58px}.research-hero-grid{grid-template-columns:minmax(0,1.15fr)minmax(280px,.75fr);gap:clamp(52px,8vw,112px);margin-top:54px}.research-title-block h1,.posts-header h1,.archive-header h1,.section-header h1{letter-spacing:-.065em}.research-title-block h1{font-size:clamp(3.3rem,6.2vw,5.9rem);line-height:1.1}.research-dek{max-width:620px;font-size:1.02rem;line-height:1.95}.research-signal{align-self:end;border-top-color:var(--line-strong)}.signal-row{grid-template-columns:100px minmax(0,1fr);padding:17px 0}.signal-label{font-size:.76rem}.signal-row strong{font-size:.86rem}.research-body-grid{grid-template-columns:190px minmax(0,760px);gap:clamp(56px,7vw,94px);padding-top:68px}.research-content-head{display:flex;align-items:center;gap:22px}.content-rule{flex:1;margin:0}.post-content{font-size:1.04rem;line-height:2.05}.post-content h2{margin-top:2.8em;font-size:1.9rem}.post-content h3{font-size:1.4rem}.posts-header{max-width:100%;padding-bottom:46px}.posts-header h1,.archive-header h1,.section-header h1{font-size:clamp(3.3rem,6.3vw,5.9rem);line-height:1.08}.article-modules{max-width:1040px;margin-top:56px}.article-module{padding:38px 0 42px}.article-module-head{grid-template-columns:48px minmax(0,1fr);gap:22px}.article-module-index{width:36px;height:36px;background:rgba(238,226,212,.28)}.article-module-head h2{margin-top:10px;font-size:1.85rem}.article-module-head p{max-width:680px;font-size:.92rem;line-height:1.9}.article-module-list{margin-top:26px;margin-left:70px}.article-module-entry{padding:17px 0}.article-module-entry h3{font-size:1.12rem}.article-module-entry p{font-size:.86rem}.article-header{max-width:850px;padding-bottom:50px}.article-header h1{font-size:clamp(3rem,5.6vw,5.1rem);letter-spacing:-.065em;line-height:1.14}.article-grid{grid-template-columns:minmax(0,740px)190px;gap:clamp(54px,7vw,88px);padding-top:46px}.article-body{font-size:1.075rem;line-height:2.08}.article-body h2{font-size:1.85rem}.article-body h3{font-size:1.42rem}.article-toc{font-size:.8rem;line-height:1.95}.archive-year{max-width:1e3px}.archive-entry{padding:17px 0}.archive-entry-title{font-size:1.14rem}@media(max-width:1040px){.hero{min-height:auto;grid-template-columns:minmax(0,1.1fr)minmax(240px,.9fr);gap:48px;padding:90px 0 84px}.hero h1{font-size:clamp(3.7rem,7.2vw,5.8rem)}.research-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.research-card:last-child{grid-column:1/-1;min-height:300px}.research-card:last-child p{min-height:0}.research-body-grid{grid-template-columns:160px minmax(0,1fr);gap:42px}}@media(max-width:760px){:root{--nav-height:68px}.nav,.main,.footer{width:min(calc(100% - 40px),var(--content-width))!important}.nav{gap:18px}.logo a{font-size:1.34rem}#menu{gap:4px 16px}#menu a{font-size:.82rem}.hero{grid-template-columns:1fr;gap:42px;padding:72px 0 64px}.hero h1{font-size:clamp(3.15rem,10vw,5.2rem)}.hero-lead{max-width:620px;margin-top:25px;font-size:1rem}.hero-aside{justify-self:start;max-width:580px;padding-left:20px}.hero-aside::before{margin-bottom:13px}.hero-note{font-size:1.08rem}.home-section{padding-top:76px}.section-heading{gap:18px;margin-bottom:28px}.section-heading h2{font-size:clamp(2rem,7vw,2.8rem)}.section-heading p{max-width:600px}.research-grid{grid-template-columns:1fr;gap:14px}.research-card,.research-card:last-child{grid-column:auto;min-height:0;padding:25px 25px 22px}.research-card h3{min-height:0;margin:25px 0 10px;font-size:1.48rem}.research-card p{min-height:0;max-width:48ch}.research-card-footer{margin-top:25px}.home-statement{grid-template-columns:1fr;gap:14px;margin-top:82px;padding-top:30px}.statement-copy{font-size:1.42rem}.research-hero-grid{grid-template-columns:1fr;gap:34px;margin-top:34px}.research-body-grid{grid-template-columns:1fr;gap:34px;padding-top:42px}.research-rail{display:none}.research-content{max-width:100%}.posts-header{padding-bottom:34px}.article-modules{margin-top:32px}.article-module{padding:28px 0 30px}.article-module-head{grid-template-columns:38px minmax(0,1fr);gap:14px}.article-module-head h2{font-size:1.52rem}.article-module-list{margin:20px 0 0}.article-grid{grid-template-columns:1fr;gap:0;padding-top:30px}.article-toc{display:none}}@media(max-width:520px){.nav,.main,.footer{width:min(calc(100% - 32px),var(--content-width))!important}.nav{align-items:center;gap:12px}.logo a{font-size:1.22rem}#menu{gap:3px 11px}#menu a{min-height:38px;font-size:.76rem}.hero{padding:58px 0 50px;gap:34px}.hero-kicker{margin-bottom:18px;font-size:.69rem}.hero h1{font-size:clamp(2.65rem,12vw,4.1rem);line-height:1.13;letter-spacing:-.07em}.hero-lead{margin-top:21px;font-size:.96rem;line-height:1.9}.hero-actions{gap:18px;margin-top:28px}.text-link{font-size:.83rem}.hero-aside{padding-left:16px}.hero-note{font-size:1rem;line-height:1.9}.home-section{padding-top:64px}.section-heading h2{font-size:1.95rem}.research-card{padding:22px 21px 20px}.research-card h3{font-size:1.36rem}.research-card-footer{flex-direction:row;align-items:center}.research-page,.posts-page,.archive-page,.article-page,.section-page{padding-top:58px;padding-bottom:72px}.research-title-block h1,.posts-header h1,.archive-header h1,.section-header h1{font-size:clamp(2.65rem,11.5vw,4rem)}.research-dek,.posts-header p{font-size:.94rem}.post-content{font-size:.98rem}.post-content h2{font-size:1.55rem}.article-header{text-align:left}.article-header .breadcrumbs,.article-meta{justify-content:flex-start}.article-header h1{font-size:clamp(2.4rem,10vw,3.8rem)}.article-body{font-size:1rem}.article-body h2{font-size:1.52rem}.article-comments{margin-top:42px}.archive-entry,.section-entry{grid-template-columns:minmax(0,1fr)18px;gap:7px 12px}.archive-entry-date,.section-entry-meta{grid-column:1/-1}.footer{align-items:flex-start;flex-direction:column;gap:10px}}@media(prefers-reduced-motion:reduce){.research-card,.text-link,.research-card-footer a,.article-module-entry,.archive-entry,.section-entry{transition:none!important}}.interpretability-overview{display:grid;grid-template-columns:minmax(230px,.78fr)minmax(0,1.22fr);align-items:center;gap:clamp(24px,4vw,56px);margin:0 0 28px;padding:22px 28px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:5px;background:linear-gradient(110deg,rgba(238,226,212,.42),rgba(253,251,247,.72))}.interpretability-overview-title{min-width:0}.interpretability-overview-kicker{display:block;margin-bottom:5px;color:var(--accent);font-size:.7rem;letter-spacing:.08em;line-height:1.5}.interpretability-overview-title h3{margin:0;color:var(--ink);font-family:var(--serif);font-size:clamp(1.65rem,2.6vw,2.15rem);font-weight:500;letter-spacing:-.05em;line-height:1.28}.interpretability-overview>p{max-width:58ch;margin:0;color:var(--ink-soft);font-size:.94rem;line-height:1.9}.research-grid{position:static;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-left:0}.research-grid::before,.research-card::before{display:none!important}.research-card,.research-card:last-child{width:auto;min-width:0;min-height:338px;grid-column:auto;justify-self:stretch;padding:27px 28px 25px}.research-card h3{margin-top:28px}.research-card p{min-height:0}.research-card-footer{margin-top:auto}@media(max-width:1040px){.interpretability-overview{grid-template-columns:minmax(190px,.8fr)minmax(0,1.2fr);gap:24px;padding:21px 24px}.research-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.research-card,.research-card:last-child{min-height:316px;padding:24px 24px 22px}.research-card:last-child{width:calc((100% - 16px)/2);grid-column:1/-1;justify-self:center}.research-card h3{font-size:1.42rem}}@media(max-width:760px){.interpretability-overview{grid-template-columns:1fr;gap:8px;margin-bottom:20px;padding:19px 20px 20px}.interpretability-overview-kicker{margin-bottom:4px;font-size:.66rem}.interpretability-overview-title h3{font-size:1.55rem}.interpretability-overview>p{max-width:none;font-size:.9rem;line-height:1.8}.research-grid{grid-template-columns:minmax(0,1fr);gap:13px;padding:0}.research-card,.research-card:last-child{width:100%;min-height:0;grid-column:auto;justify-self:stretch;padding:24px 24px 21px}.research-card h3{margin:23px 0 10px;font-size:1.42rem}.research-card p{max-width:52ch}.research-card-footer{margin-top:23px;padding-top:18px}}@media(max-width:520px){.interpretability-overview{gap:7px;padding:17px 17px 18px;margin-bottom:16px}.interpretability-overview-title h3{font-size:1.42rem}.interpretability-overview>p{font-size:.86rem}.research-grid{gap:11px}.research-card,.research-card:last-child{padding:21px 20px 19px}.research-card h3{margin-top:21px;font-size:1.34rem}.research-card p{font-size:.9rem;line-height:1.8}.research-card-footer{gap:8px;font-size:.79rem}}@media(max-width:760px){#research>.section-heading{align-items:flex-start;text-align:left}#research>.section-heading>div{width:100%;min-width:0;margin:0;padding:0;align-self:stretch;text-align:left}#research>.section-heading .section-label,#research>.section-heading h2,#research>.section-heading>p{display:block;width:100%;margin-left:0;padding-left:0;text-align:left;text-indent:0}}:root,:root[data-theme=dark],:root[data-theme=auto]{color-scheme:only light!important;--theme:var(--paper) !important;--entry:var(--surface) !important;--primary:var(--ink) !important;--secondary:var(--ink-soft) !important;--tertiary:var(--line-strong) !important;--content:var(--ink-soft) !important;--border:var(--line) !important;--code-bg:var(--paper-deep) !important;--code-block-bg:#28241f !important}html,body,body.list{color-scheme:only light!important;background-color:var(--paper)!important;color:var(--ink)!important}.hero,.home-section,.home-statement,.posts-page,.archive-page,.article-page,.section-page,.error-page{color-scheme:only light!important}.footer-links{display:inline-flex;align-items:center;flex-wrap:wrap;gap:16px}.footer-links .footer-github{margin-left:0}.footer-links .footer-email{color:var(--ink-soft);transition:color .2s ease}.footer-links .footer-email:hover{color:var(--accent-deep)}