@charset "UTF-8";
:root{--paper:#f7f6f2;--ink:#202220;--muted:#62665f;--faint:#85877f;--line:#d4d6ce;--accent:#bf4d34;--surface:#efefe9;--mono:"Cascadia Code","SFMono-Regular",Consolas,monospace;--sans:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color-scheme:light;font-family:var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:90px}
*{box-sizing:border-box}body{margin:0;font-size:1.0rem;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin:0}::selection{background:#ebc5b7;color:#171916}:focus-visible{outline:2px solid var(--accent);outline-offset:6px;border-radius:2px}.shell{width:min(1120px,calc(100% - 80px));margin-inline:auto}.accent{color:var(--accent)}.mono{font-family:var(--mono);font-size:0.8125rem;letter-spacing:.02em}.skip-link{position:fixed;z-index:50;left:20px;top:-100px;background:var(--ink);color:white;padding:10px 20px}.skip-link:focus{top:16px}.site-header{display:flex;align-items:center;justify-content:space-between;height:104px}.wordmark{font-family:var(--mono);font-size:1.4375rem;letter-spacing:-1px;white-space:nowrap}.site-header nav{display:flex;gap:40px;font-size:1.0rem}.site-header nav a{position:relative;padding:8px 0}.site-header nav a::after{content:"";position:absolute;bottom:3px;left:0;width:100%;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s}.site-header nav a:hover::after,.site-header nav a[aria-current=page]::after{transform:scaleX(1)}.index-section{display:grid;grid-template-columns:130px minmax(0,1fr)}.section-rail{border-right:1px solid var(--line);padding-right:20px;padding-top:8px}.section-rail .mono{display:block;color:var(--muted);line-height:1.7}.section-rail h2{font-size:1.0rem;font-weight:500;margin-top:3px;letter-spacing:.04em}.section-content{min-width:0;margin-left:40px}.hero{margin-top:50px;margin-bottom:84px;min-height:395px}.hero-content{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;padding:0 0 44px 40px}.hero-intro{min-width:0}.hero h1{font-size:clamp(4.25rem,8.4vw,6.875rem);line-height:1.18;letter-spacing:-.055em;font-weight:800;margin-bottom:27px;white-space:nowrap}.hero h1 .accent{letter-spacing:-.09em}.hero-bio{font-size:1.125rem;line-height:1.9;color:#494d46}.hero-meta{font-family:var(--mono);font-size:0.875rem;color:var(--muted);margin-top:26px}.hero-meta span{padding:0 8px}.portrait{width:112px;height:144px;object-fit:cover;object-position:center;border-radius:6px;margin-top:30px;flex:none}.text-links{display:flex;gap:30px;flex-wrap:wrap;margin-top:27px}.text-link{display:inline-flex;align-items:center;gap:11px;border-bottom:1px solid var(--ink);padding-bottom:2px;line-height:1.55;transition:color .18s,border-color .18s}.text-link span{transition:transform .18s}.text-link:hover{color:var(--accent);border-color:var(--accent)}.text-link:hover span{transform:translate(2px,-2px)}.home-projects{margin-bottom:76px}.project-list{border-top:1px solid var(--line)}.project-row{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:108px;padding:22px 5px 22px 24px;border-bottom:1px solid var(--line);transition:background .2s}.project-row::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:2px;background:var(--accent);transform:scaleY(0);transition:transform .18s}.project-row:hover::before,.project-row:focus-visible::before{transform:scaleY(1)}.project-row:hover{background:rgba(235,234,226,.4)}.project-row h3{font-size:1.3125rem;line-height:1.6;font-weight:600;letter-spacing:-.025em}.project-row p{font-size:0.875rem;color:var(--muted);margin-top:3px}.title-separator{font-weight:400;color:var(--faint);padding-inline:3px}.project-category{display:flex;align-items:center;gap:20px;white-space:nowrap;font-size:0.8125rem;color:var(--muted)}.row-arrow{font-size:1.25rem;display:inline-block;transition:transform .18s;color:var(--ink)}a:hover .row-arrow{transform:translate(3px,-3px);color:var(--accent)}.list-footer{padding:24px 0 4px;font-size:0.9375rem}.home-articles{margin-bottom:80px}.article-row{display:flex;align-items:center;justify-content:space-between;gap:25px;border-block:1px solid var(--line);padding:26px 4px 27px 0}.article-row h3{font-size:1.25rem;line-height:1.65;font-weight:550}.article-row p{font-size:0.875rem;color:var(--muted);margin-top:7px}.eyebrow{display:block;font-family:var(--mono);font-size:0.75rem;letter-spacing:.08em;color:var(--muted);margin-bottom:9px}.site-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-block:27px 35px;font-size:0.8125rem;color:var(--muted);gap:24px}.site-footer>div{display:flex;align-items:center;gap:27px;flex-wrap:wrap}.site-footer a{border-bottom:1px solid transparent}.site-footer a:hover{color:var(--accent);border-color:var(--accent)}.footer-label{margin-right:14px}.footer-credit{white-space:nowrap}.footer-credit .mono{font-size:0.6875rem;margin-left:10px}
/* Shared interior-page typography. */
.page-heading{padding:62px 0 46px;max-width:820px}.page-heading h1{font-size:clamp(2.25rem,4vw,3.25rem);font-weight:650;line-height:1.4;letter-spacing:-.04em;margin-bottom:18px}.page-heading p{font-size:1.125rem;color:var(--muted);max-width:680px;line-height:1.9}.breadcrumb{font-size:0.8125rem;color:var(--muted);margin-bottom:26px;display:flex;gap:12px;flex-wrap:wrap}.breadcrumb a:hover{color:var(--accent)}.interior-main{min-height:70vh}.content-section{padding-block:35px 60px;border-top:1px solid var(--line)}.content-section>h2{font-size:1.5rem;font-weight:600;letter-spacing:-.02em;margin-bottom:28px}.page-section-label{display:flex;align-items:center;gap:18px;margin-bottom:24px}.page-section-label h2{font-size:1.25rem;font-weight:600}.page-section-label .mono{color:var(--accent)}.prose{max-width:760px;font-size:1.0625rem;line-height:1.95}.prose>p,.prose>ul,.prose>ol{margin-block:0 24px}.prose h2{font-size:1.625rem;font-weight:600;margin:48px 0 18px;line-height:1.5;letter-spacing:-.025em}.prose h3{font-size:1.25rem;font-weight:600;margin:30px 0 14px}.prose ul,.prose ol{padding-left:1.35em}.prose li{margin-bottom:10px}.prose a{border-bottom:1px solid var(--line)}.prose a:hover{color:var(--accent);border-color:var(--accent)}.prose strong{font-weight:600}.prose .muted,.muted{color:var(--muted)}.meta-grid{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);margin:0 0 44px;padding-block:22px;gap:25px}.meta-grid dt{font-size:0.75rem;color:var(--muted);margin-bottom:8px}.meta-grid dd{margin:0;font-size:0.9375rem}.tag-list{display:flex;flex-wrap:wrap;gap:8px}.tag{font-family:var(--mono);font-size:0.75rem;padding:4px 9px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:70px;padding-bottom:80px}.detail-aside{align-self:start;position:sticky;top:35px;font-size:0.8125rem;padding-top:8px}.detail-aside h2{font-size:0.75rem;font-weight:500;color:var(--muted);letter-spacing:.05em;margin-bottom:16px}.detail-aside a{display:block;color:var(--muted);padding:7px 0 7px 15px;border-left:1px solid var(--line)}.detail-aside a:hover{color:var(--accent);border-color:var(--accent)}.flow{display:flex;align-items:stretch;gap:8px;flex-wrap:wrap;margin:26px 0 30px}.flow-step{flex:1;min-width:110px;border-block:1px solid var(--line);padding:17px 8px;font-size:0.875rem;line-height:1.75}.flow-step .mono{font-size:0.6875rem;color:var(--accent);display:block;margin-bottom:4px}.flow-arrow{align-self:center;color:var(--faint)}.note{padding:18px 22px;border-left:2px solid var(--accent);background:var(--surface);font-size:0.9375rem;color:#4f554b;margin:24px 0}.related-link{display:block;margin-top:42px;padding:24px 0;border-block:1px solid var(--line);font-size:1.0rem}.related-link .eyebrow{margin-bottom:4px}.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:42px 30px}.work-card{display:block;min-width:0}.work-card .image-frame{overflow:hidden;border:1px solid var(--line);border-radius:4px;aspect-ratio:1.65;background:var(--surface);margin-bottom:17px}.work-card img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .35s}.work-card:hover img{transform:scale(1.025)}.work-card h3{display:flex;align-items:center;justify-content:space-between;font-size:1.25rem;font-weight:600;margin-bottom:5px}.work-card p{font-size:0.875rem;color:var(--muted);line-height:1.9}.work-card .eyebrow{margin-bottom:6px}.screenshot{margin:30px 0 40px}.screenshot img{width:100%;border:1px solid var(--line);border-radius:4px}.screenshot figcaption{font-size:0.75rem;color:var(--muted);margin-top:10px}.case-links{display:flex;gap:25px;flex-wrap:wrap;margin:24px 0 30px}.about-top{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:55px;align-items:start}.about-top .portrait{width:144px;height:185px;margin-top:70px}.timeline{display:grid;gap:30px;margin:20px 0 40px}.timeline-item{padding-left:25px;border-left:1px solid var(--line);position:relative}.timeline-item::before{content:"";position:absolute;left:-3px;top:9px;width:5px;height:5px;background:var(--accent)}.timeline-item h3{font-size:1.125rem;margin:2px 0 6px}.timeline-item p{font-size:0.9375rem;color:var(--muted);margin-top:7px}.timeline-item time{font-family:var(--mono);font-size:0.75rem;color:var(--muted)}.skills-list{display:grid;grid-template-columns:1fr 1fr;gap:28px 36px;margin:28px 0}.skill-group{border-top:1px solid var(--line);padding-top:16px}.skill-group h3{font-size:1.0rem;margin:0 0 10px}.skill-group p{font-family:var(--mono);font-size:0.8125rem;line-height:2.1;color:var(--muted)}.interest-line{font-size:1.0625rem;letter-spacing:.02em}.copy-email{background:none;border:0;border-bottom:1px solid var(--line);padding:0 0 2px;cursor:pointer;color:var(--muted);font-size:0.8125rem}.copy-email:hover{color:var(--accent)}.contact-line{display:flex;align-items:center;flex-wrap:wrap;gap:20px}.empty-route{padding:90px 0 180px}.empty-route h1{font-size:4.375rem;font-family:var(--mono);margin-bottom:20px}.empty-route p{margin-bottom:25px;color:var(--muted)}
@media(min-width:1440px){.hero{margin-top:64px;margin-bottom:90px}.hero-content{padding-bottom:55px}.site-header{height:110px}}
@media(max-width:1000px){.shell{width:calc(100% - 56px)}.index-section{grid-template-columns:106px minmax(0,1fr)}.section-content{margin-left:28px}.hero-content{padding-left:28px;gap:20px}.hero h1{font-size:5.375rem}.hero-bio{font-size:1.0rem}.portrait{width:96px;height:123px}.project-row{padding-left:18px}.project-row h3{font-size:1.1875rem}.project-category{font-size:0.75rem;gap:12px}.detail-layout{gap:35px;grid-template-columns:minmax(0,1fr) 155px}.hero{min-height:370px}}
@media(max-width:760px){.shell{width:calc(100% - 40px)}.site-header{height:84px}.wordmark{font-size:1.3125rem}.site-header nav{gap:25px;font-size:0.875rem}.index-section{grid-template-columns:1fr}.section-rail{border-right:0;display:flex;align-items:baseline;gap:12px;padding:0;margin-bottom:18px}.section-rail .mono{font-size:0.75rem}.section-rail h2{margin-top:0;font-size:0.9375rem}.hero{margin-top:28px;margin-bottom:48px;min-height:0}.hero .section-rail{margin-bottom:25px}.hero .section-rail br{display:none}.hero-content{padding:0 0 18px;position:relative;gap:14px}.hero-intro{width:100%}.hero h1{font-size:4.375rem;margin-bottom:23px;letter-spacing:-.07em}.hero-bio{font-size:0.9375rem;line-height:1.95;max-width:520px;padding-right:0}.hero-meta{font-size:0.75rem;margin-top:22px}.hero .portrait{position:absolute;right:0;top:0;width:65px;height:84px;margin:0;border-radius:4px}.text-links{font-size:0.9375rem;margin-top:22px;gap:25px}.section-content{margin-left:0}.home-projects{margin-bottom:48px}.project-row{align-items:flex-start;flex-direction:column;gap:9px;padding:20px 10px 19px 15px;min-height:120px}.project-row h3{font-size:1.125rem}.project-row p{font-size:0.8125rem}.project-category{font-size:0.75rem;justify-content:space-between;width:100%}.project-category .row-arrow{font-size:1.1875rem;position:absolute;right:5px;top:50%;margin-top:-15px}.project-row>div{padding-right:23px}.project-row::before{top:23px;bottom:23px}.list-footer{font-size:0.875rem;padding-top:20px}.home-articles{margin-bottom:53px}.article-row{padding:20px 2px}.article-row h3{font-size:1.125rem}.article-row p{font-size:0.8125rem}.eyebrow{font-size:0.6875rem}.site-footer{align-items:flex-start;flex-direction:column;gap:19px;padding:23px 0 30px;font-size:0.75rem}.site-footer>div{gap:24px}.footer-label{margin-right:0}.footer-credit{font-size:0.75rem}.footer-credit .mono{font-size:0.625rem}.page-heading{padding:34px 0 31px}.page-heading h1{font-size:2.0rem;line-height:1.45}.page-heading p{font-size:1.0rem;line-height:1.85}.breadcrumb{font-size:0.75rem;margin-bottom:20px}.detail-layout{display:block;padding-bottom:45px}.detail-aside{display:none}.prose{font-size:1.0rem}.prose h2{font-size:1.4375rem;margin-top:36px}.prose h3{font-size:1.125rem}.meta-grid{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px}.meta-grid dd{font-size:0.875rem}.meta-grid dt{font-size:0.6875rem}.content-section{padding:26px 0 42px}.content-section>h2{font-size:1.375rem}.project-grid{grid-template-columns:1fr;gap:30px}.work-card .image-frame{aspect-ratio:1.65;margin-bottom:13px}.work-card h3{font-size:1.125rem}.work-card p{font-size:0.8125rem}.flow{display:grid;grid-template-columns:1fr;gap:0}.flow-step{min-width:0;padding:12px 14px}.flow-arrow{text-align:center;transform:rotate(90deg);line-height:1.5}.about-top{grid-template-columns:1fr;position:relative;gap:0}.about-top .portrait{position:absolute;right:0;top:32px;width:68px;height:87px;margin:0}.about-top .page-heading h1{padding-right:90px}.about-top .page-heading{padding-right:0}.skills-list{grid-template-columns:1fr;gap:20px}.contact-line{gap:14px;font-size:0.875rem}.note{padding:15px 17px;font-size:0.875rem}}
@media(max-width:370px){.shell{width:calc(100% - 32px)}.hero h1{font-size:3.75rem}.hero .portrait{width:56px;height:72px}.site-header nav{gap:20px}.hero-bio{font-size:0.875rem}.hero-meta{font-size:0.6875rem}.project-row h3{font-size:1.0625rem}}
/* Preserve readable layouts when browser text size is increased. */
.site-header{height:auto;min-height:104px;flex-wrap:wrap;gap:12px 24px;padding-block:20px}.site-header nav{flex-wrap:wrap;margin-left:auto}.site-header nav a{white-space:nowrap}.hero h1{white-space:normal;overflow-wrap:anywhere}.hero-content,.project-row>div,.article-row>div{min-width:0}.hero-bio,.hero-meta,.prose,.page-heading,.meta-grid dd,.tag,.project-row h3,.project-row p,.work-card h3,.work-card p{overflow-wrap:anywhere}.meta-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-credit{white-space:normal}.project-category{white-space:normal}.row-arrow{flex:none}
@media(min-width:1440px){.site-header{min-height:110px}}
@media(max-width:760px){.site-header{min-height:84px}.site-header nav{gap:20px}.hero h1{padding-right:78px}.meta-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-rail{flex-wrap:wrap}.hero .section-rail .mono{overflow-wrap:anywhere}.contact-line a{overflow-wrap:anywhere}}
@media(max-width:370px){.hero h1{padding-right:66px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
/* Personal monogram, experience index and documented AI usage. */
.wordmark{display:inline-flex;align-items:center;gap:12px;font-family:var(--sans);font-size:1.0625rem;font-weight:600;letter-spacing:0}.wordmark img{width:38px;height:38px;flex:none;transition:transform .2s}.wordmark:hover img{transform:rotate(-5deg)}.hero{margin-bottom:58px;min-height:350px}.home-ai{margin-bottom:76px}.ai-intro{font-size:1rem;color:#494d46;line-height:1.9}.ai-tool-list{display:flex;flex-wrap:wrap;gap:8px 22px;margin:15px 0 26px;font-family:var(--mono);font-size:.875rem;line-height:1.9}.ai-tool-list span{white-space:nowrap}.ai-summary{display:grid;grid-template-columns:1fr 1fr auto;gap:24px;align-items:end;border-top:1px solid var(--line);padding-top:20px}.ai-summary>div,.usage-stats>div{min-width:0}.ai-summary>.text-link{align-self:center;font-size:.9375rem}.metric-label{display:block;font-size:.875rem;color:var(--muted);line-height:1.6}.metric-value{font-family:var(--mono);font-size:2.625rem;font-weight:500;letter-spacing:-.06em;line-height:1.5;overflow-wrap:anywhere}.metric-value>span{font-family:var(--sans);font-size:1rem;letter-spacing:0;margin-left:7px}.data-caption{font-size:.8125rem!important;line-height:1.8!important;color:var(--muted);margin:13px 0 0!important}.home-web-index{padding:26px 0 10px;display:flex;flex-wrap:wrap;gap:14px 24px;font-size:.9375rem}.home-web-index>.eyebrow{flex-basis:100%;margin-bottom:0}.home-web-index a{display:inline-flex;gap:12px;align-items:center}.home-web-index a:hover{color:var(--accent)}.home-web-index a span{font-size:.8125rem}.experience-entry{display:grid;grid-template-columns:190px minmax(0,1fr);gap:35px;padding:25px 0 40px;border-bottom:1px solid var(--line);margin-bottom:26px}.experience-entry time{font-family:var(--mono);font-size:.875rem;color:var(--muted);padding-top:4px}.experience-entry h2{font-size:1.875rem;font-weight:600;line-height:1.5;margin-bottom:17px}.experience-entry h2 a{display:flex;align-items:center;justify-content:space-between}.experience-entry p{font-size:1rem;color:var(--muted);margin-bottom:12px;line-height:1.95}.experience-entry .text-link{margin-top:12px;font-size:.9375rem}.tool-records{border-top:1px solid var(--line);margin:20px 0 12px;font-size:1rem}.tool-records>div{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line)}.tool-records strong{font-family:var(--mono);font-size:1rem;font-weight:500;text-align:right}.tool-records .record-heading{font-size:.8125rem;color:var(--muted)}.usage-record{border-top:1px solid var(--line);padding-top:20px;margin-top:28px}.usage-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:16px 0 20px}.usage-stats .metric-value{font-size:2rem}.usage-record .screenshot{margin:20px 0}.usage-record .screenshot a{border:0}.billing-reference{border-block:1px solid var(--line);padding:18px 0;margin:30px 0}.billing-reference summary{cursor:pointer;font-size:.9375rem;font-weight:500}.billing-reference summary:hover{color:var(--accent)}.billing-reference>p{font-size:.875rem;color:var(--muted);margin-top:18px}.billing-reference .screenshot{margin:18px 0 5px}
@media(max-width:1000px){.ai-summary{grid-template-columns:1fr 1fr}.ai-summary>.text-link{grid-column:1/-1;justify-self:start}.experience-entry{grid-template-columns:160px minmax(0,1fr);gap:25px}.usage-stats{gap:15px}}
@media(max-width:760px){.wordmark{font-size:1rem;gap:9px}.wordmark img{width:32px;height:32px}.site-header nav{font-size:.875rem}.hero{min-height:0;margin-bottom:40px}.home-ai{margin-bottom:48px}.ai-tool-list{gap:7px 17px;margin-bottom:20px}.ai-summary{gap:18px 20px;padding-top:18px}.metric-value{font-size:2.125rem}.metric-label{font-size:.8125rem}.ai-summary>.text-link{font-size:.875rem}.data-caption{font-size:.8125rem!important}.home-web-index{gap:13px 22px}.experience-entry{grid-template-columns:1fr;gap:14px;padding:10px 0 32px}.experience-entry h2{font-size:1.625rem}.experience-entry time{font-size:.8125rem}.usage-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.usage-stats .metric-value{font-size:1.875rem}.tool-records{font-size:.9375rem}.tool-records strong{font-size:.9375rem}.tool-records>div{gap:14px;flex-wrap:wrap}.tool-records strong{margin-left:auto}.prose .usage-record .screenshot figcaption{font-size:.8125rem}.screenshot{margin-inline:0}}
@media print{.site-header,.site-footer,.detail-aside,.skip-link,.copy-email{display:none}.shell{width:100%}:root{background:white;color:black}.hero{margin-block:20px}.detail-layout{display:block}.prose{max-width:none}a{text-decoration:underline}.content-section,.project-row{break-inside:avoid}}