@font-face{font-family:"Portfolio Ink";src:url("fonts/long-cang-subset.ttf") format("truetype");font-style:normal;font-weight:400;font-display:swap}
:root{--blue:#245beb;--ink:#17283f;--muted:#516078;--paper:#f4f7fc;--line:#dce4f0;--soft-blue:#e7eefe;--radius:22px;--ease:cubic-bezier(.2,.8,.2,1);--hand:"STXingkai","华文行楷","Portfolio Ink","KaiTi",cursive}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.75 "Microsoft YaHei UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{color:inherit;cursor:pointer;border:0}a{color:inherit;text-decoration:none}p,h1,h2,h3,figure{margin:0}h1,h2,h3{line-height:1.35;letter-spacing:-.025em}h2{font-size:32px;font-weight:700;text-wrap:balance}h3{font-size:21px;font-weight:650}img{max-width:100%}
.icon{display:block;width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#c8d8ff;color:var(--ink)}
.wrap{width:calc(100% - 96px);max-width:1440px;margin-inline:auto}.skip-link{position:fixed;z-index:100;top:10px;left:16px;transform:translateY(-160%);background:white;color:var(--blue);padding:10px 18px;border-radius:8px}.skip-link:focus{transform:none}
.masthead{height:136px;display:grid;grid-template-columns:266px 1fr;align-items:center;gap:48px}.identity{display:flex;align-items:center;gap:18px;width:fit-content}.identity-mark{width:48px;height:48px;border:1px solid #b7c9fa;background:white;color:var(--blue);display:grid;place-items:center;border-radius:14px}.identity h1{font-size:26px;margin-bottom:4px}.role{font-size:17px;line-height:1.3;color:var(--muted)}
.personal{display:grid;grid-template-columns:1fr auto;gap:10px 28px;align-items:start}.intro{font-size:21px;line-height:1.6;font-weight:500;text-wrap:pretty;max-width:760px}.school{font-size:16px;color:var(--muted);line-height:1.6;white-space:nowrap;margin-top:3px}.quick-links{display:flex;gap:30px;grid-column:1/-1;font-size:16px;color:var(--muted)}.quick-links a{padding:2px 0;transition:color .2s var(--ease)}.quick-links a:hover{color:var(--blue)}
.showcase{scroll-margin-top:20px}#showcase-panel{outline-offset:8px;border-radius:var(--radius)}.stage{height:clamp(380px,32.64vw,500px);background:var(--blue);position:relative;border-radius:var(--radius);overflow:hidden;isolation:isolate}.stage::before,.stage::after{content:"";position:absolute;top:32px;bottom:32px;width:1px;background:#ffffff38;z-index:-1}.stage::before{left:3.125%}.stage::after{right:3.125%}
.stage-screen{position:absolute;left:9%;top:24px;width:82%;height:calc(100% - 48px);padding:0;border:1px solid #d6e0f8;border-radius:11px;overflow:hidden;background:white;transform-origin:50% 30%;transition:box-shadow .2s var(--ease)}.stage-screen:hover{box-shadow:0 0 0 3px #ffffff4d}.stage-screen:focus-visible{outline-color:white;outline-offset:5px}.stage-artwork{display:block;width:100%;height:100%;object-fit:contain;object-position:center;background:white;animation:screen-enter .4s var(--ease) both}.stage-picture .stage-artwork{height:auto;min-height:100%;object-fit:cover;object-position:top}
.stage-zoom{position:absolute;right:20px;top:20px;z-index:1;display:flex;align-items:center;gap:8px;background:white;color:var(--ink);padding:9px 12px;border:1px solid var(--line);border-radius:9px;font-size:15px;line-height:1.4;transition:transform .12s var(--ease),background .2s var(--ease)}.stage-zoom .icon{width:19px;height:19px}.stage-zoom:hover{background:var(--soft-blue)}
.project-caption{display:grid;grid-template-columns:minmax(290px,.88fr) minmax(0,1.5fr) 188px;align-items:center;gap:40px;min-height:142px;padding:24px 0;border-bottom:1px solid var(--line)}.project-caption h2{font-size:34px;margin-bottom:9px}.project-kind{font-size:16px;color:var(--muted)}.project-description>p:first-child{font-size:19px;line-height:1.7;text-wrap:pretty}.technical{color:var(--muted);font-size:16px;margin-top:4px;line-height:1.7;text-wrap:pretty}
.button{display:inline-flex;min-height:50px;align-items:center;justify-content:center;gap:14px;padding:10px 20px;border:1px solid #b9c8df;border-radius:10px;font-size:17px;line-height:1.6;font-weight:600;background:transparent;transition:background .2s var(--ease),border-color .2s var(--ease),transform .12s var(--ease)}.button:hover{border-color:var(--blue);background:var(--soft-blue)}.button.primary{background:var(--blue);border-color:var(--blue);color:white}.button.primary:hover{background:#194cda;border-color:#194cda}.button:active,.stage-zoom:active,.viewer-close:active{transform:scale(.97)}.project-cta{min-height:56px}
.project-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative;padding:25px 0 24px}.picker-indicator{position:absolute;left:calc(var(--active)*25%);top:25px;bottom:24px;width:25%;background:var(--soft-blue);border-top:3px solid var(--blue);border-radius:0 0 12px 12px;transition:left .3s var(--ease);pointer-events:none}.project-entry{position:relative;display:flex;align-items:center;gap:18px;min-height:104px;padding:12px 22px;text-align:left;background:transparent}.project-entry+.project-entry{border-left:1px solid var(--line)}.project-preview{display:block;width:clamp(74px,8.05vw,116px);height:76px;object-fit:cover;object-position:left top;border:1px solid #d1dbec;border-radius:6px;background:white;flex-shrink:0;transition:border-color .2s var(--ease)}.project-entry-copy{display:flex;flex-direction:column;gap:10px;min-width:0}.project-entry-name{font-size:18px;line-height:1.45;font-weight:600;white-space:nowrap}.project-entry .icon{color:#65758c}.project-entry[aria-selected=true]{color:var(--blue)}.project-entry[aria-selected=true] .icon{color:var(--blue)}.project-entry[aria-selected=true] .project-preview{border-color:#9eb7f6}.project-entry:hover .project-entry-name{color:var(--blue)}.project-entry:focus-visible{outline-offset:-5px;border-radius:6px}
.case-study{padding:58px 0 64px;border-top:1px solid var(--line);scroll-margin-top:24px}.case-study>div{scroll-margin-top:24px}.case-top{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.case-top>p{font-size:18px;font-weight:600;color:var(--blue)}.text-link{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:17px;line-height:1.65;text-underline-offset:5px}.text-link:hover{text-decoration:underline}.text-link .icon{width:21px;height:21px}.case-head{max-width:980px;margin-bottom:34px}.case-head h2{font-size:clamp(28px,2.5vw,36px);line-height:1.45}.mobile-break{display:none}
.case-columns{display:grid;grid-template-columns:1fr 1fr;gap:72px;max-width:1200px}.case-columns p{margin-top:12px;color:var(--muted);text-wrap:pretty}.build-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;padding:0;margin:46px 0 40px;list-style:none}.build-path li{border-top:1px solid #bdcbe0;padding-top:22px;display:flex;gap:20px;align-items:flex-start}.step-index{font-size:18px;font-variant-numeric:tabular-nums;color:var(--blue);line-height:1.6}.build-path h3{margin-bottom:12px}.build-path p{color:var(--muted)}
.release-row{display:flex;align-items:center;gap:28px;border-top:1px solid var(--line);padding-top:30px}.release-row>div{margin-right:auto}.release-row p{color:var(--muted);font-size:16px;margin-top:7px}.project-notes{margin-top:25px}.project-notes summary{cursor:pointer;font-size:17px;width:fit-content;padding:5px 0;text-underline-offset:5px}.project-notes summary:hover{color:var(--blue)}.project-notes>div{max-width:920px;padding-top:12px;color:var(--muted)}.project-notes p+p{margin-top:12px}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:32px}
.evidence-tools{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:40px 0 24px}.filters{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.filter{background:transparent;border:1px solid #bdcbe0;border-radius:8px;padding:8px 15px;font-size:16px;line-height:1.6;transition:background .2s var(--ease),border-color .2s var(--ease)}.filter:hover{border-color:var(--blue)}.filter[aria-pressed=true]{background:var(--blue);color:white;border-color:var(--blue)}.evidence-count{font-size:16px;color:var(--muted);white-space:nowrap}.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 28px;animation:content-enter .26s var(--ease)}.evidence-item h3{font-size:20px;margin-top:16px}.evidence-item p{font-size:16px;color:var(--muted);margin-top:9px}
.evidence-trigger{padding:0;display:block;width:100%;position:relative;background:white;border:1px solid #d3ddec;border-radius:12px;overflow:hidden}.evidence-trigger>img{display:block;width:100%;height:230px;object-fit:contain;background:white;transition:transform .3s var(--ease)}.evidence-trigger:hover>img{transform:scale(1.025)}.image-zoom{position:absolute;right:12px;bottom:12px;width:34px;height:34px;display:grid;place-items:center;color:var(--blue);background:white;border:1px solid var(--line);border-radius:8px}.image-zoom svg{width:21px;height:21px}
.mobile-section{display:grid;grid-template-columns:1fr 340px;gap:64px;margin-top:46px;padding-top:36px;border-top:1px solid var(--line);align-items:center}.mobile-copy{max-width:670px}.mobile-copy p{margin-top:12px;color:var(--muted)}.mobile-copy .button{margin-top:24px}.mobile-visuals{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mobile-visuals img{height:300px;object-fit:contain}.scope-list{padding-left:1.2em;margin:12px 0 0;color:var(--muted)}.scope-list li+li{margin-top:8px}
.business-flow{margin-top:36px;padding:26px 0;border-block:1px solid var(--line);display:flex;align-items:center;gap:50px}.business-flow ol{display:flex;align-items:center;gap:28px;padding:0;margin:0;list-style:none;font-size:20px}.business-flow .icon{color:var(--blue)}.twin-visuals{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;margin-top:36px;align-items:stretch}.twin-main .evidence-trigger{height:100%}.twin-main img{height:420px;object-fit:contain}.twin-support{display:grid;grid-template-columns:1fr;gap:18px}.twin-support img{height:198px}
.expertise{display:grid;grid-template-columns:266px 1fr;gap:48px;padding:50px 0 54px;border-top:1px solid var(--line);scroll-margin-top:26px}.expertise h2{font-size:29px}.skill-row{display:grid;grid-template-columns:220px 1fr;gap:30px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line)}.skill-row:first-child{padding-top:0}.skill-row:last-child{padding-bottom:0;border:0}.skill-row h3{font-size:21px}.skill-row p{color:var(--muted);max-width:640px;text-wrap:pretty}
.contact{background:var(--blue);color:white;border-radius:var(--radius);padding:34px 40px;display:grid;grid-template-columns:244px 1fr;gap:30px;align-items:center;scroll-margin-top:24px}.contact h2{font-size:30px}.contact-links{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.contact-email{display:inline-flex;align-items:center;gap:13px;font-size:23px;line-height:1.5}.contact-other{display:inline-flex;align-items:center;gap:8px;font-size:17px;white-space:nowrap}.contact a:focus-visible{outline-color:white}.contact a:hover{text-decoration:underline;text-underline-offset:5px}.contact-other .icon{width:20px;height:20px}.footer{display:flex;align-items:center;justify-content:space-between;padding:24px 0 28px;font-size:16px;color:var(--muted)}.footer a{display:flex;align-items:center;gap:10px}.footer .icon{width:20px;height:20px}
.viewer{padding:0;width:min(1180px,calc(100vw - 64px));max-height:calc(100dvh - 48px);border:1px solid var(--line);border-radius:18px;color:var(--ink);background:var(--paper);overflow:auto;animation:viewer-enter .26s var(--ease)}.viewer::backdrop{background:#101c32bd;animation:backdrop-enter .26s var(--ease)}.viewer.is-closing{animation:viewer-exit .18s ease-in both}.viewer.is-closing::backdrop{animation:backdrop-exit .18s ease-in both}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 24px;background:white;border-bottom:1px solid var(--line)}.viewer-head h2{font-size:22px}.viewer-close{width:40px;height:40px;display:grid;place-items:center;background:var(--paper);border:1px solid var(--line);border-radius:9px;font-size:28px;line-height:1;flex-shrink:0}.viewer-media{padding:20px;background:#e9eef6;display:flex;justify-content:center;align-items:center}.viewer-media img{display:block;max-width:100%;width:auto;height:auto;max-height:calc(100dvh - 300px);object-fit:contain;border-radius:6px}.viewer-caption{font-size:16px;line-height:1.7;padding:16px 24px 0}.viewer-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 24px 22px;font-size:16px}.viewer-step{display:flex;gap:12px}.viewer-step .button{min-height:44px;font-size:16px;padding:8px 14px}.viewer-original{color:var(--blue);white-space:nowrap}.viewer-controls.single{justify-content:flex-end}.viewer-controls output{font-variant-numeric:tabular-nums;white-space:nowrap}
@keyframes screen-enter{from{opacity:.25;transform:translateX(var(--enter-x,16px))}to{opacity:1;transform:translateX(0)}}@keyframes content-enter{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes viewer-enter{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}@keyframes viewer-exit{to{opacity:0;transform:translateY(8px) scale(.99)}}@keyframes backdrop-enter{from{opacity:0}to{opacity:1}}@keyframes backdrop-exit{to{opacity:0}}
.keep{display:inline-block;max-width:100%}.project-entry-short{display:none}
.stage-picture{display:flex;justify-content:center;align-items:flex-start}.stage-picture .stage-screen{position:relative;left:auto;top:auto;margin-top:24px;flex:none;width:auto;max-width:90%;aspect-ratio:1340/814;height:calc(100% - 48px);border-radius:11px}
.stage-picture .stage-artwork{height:100%;min-height:0;object-fit:contain;object-position:center}
.project-caption{grid-template-columns:266px minmax(0,1fr) 188px;gap:48px}
.case-columns{grid-template-columns:minmax(0,516px) minmax(0,1fr);gap:48px;max-width:none}
.purpose-heading{margin-top:26px}
.case-focus .evidence-trigger{margin-top:16px;height:220px}
.case-focus .evidence-trigger>img{width:150%;max-width:none;height:100%;object-fit:cover;object-position:100% 78%;transform:translateX(-33.333%)}
.case-focus .evidence-trigger:hover>img{transform:translateX(-33.333%) scale(1.015)}
@media(min-width:1700px){.stage{height:510px}}
@media(max-width:1200px){
 .case-columns{grid-template-columns:1fr 1fr}
 .wrap{width:calc(100% - 64px)}.masthead{grid-template-columns:228px 1fr;gap:32px;height:auto;min-height:136px;padding:20px 0}.intro{font-size:20px}.personal{gap:8px 22px}.school{font-size:15px}
 .project-caption{grid-template-columns:minmax(240px,.9fr) minmax(0,1.35fr) 160px;gap:28px}.project-caption h2{font-size:30px}.project-description>p:first-child{font-size:18px}.project-entry{gap:12px;padding-inline:14px}.project-entry-name{font-size:16px}.project-preview{width:76px;height:65px}
 .case-columns{gap:42px}.build-path{gap:28px}.build-path li{gap:14px}.expertise{grid-template-columns:228px 1fr;gap:32px}.skill-row{grid-template-columns:180px 1fr;gap:24px}.contact{grid-template-columns:180px 1fr;padding:30px}.contact-links{gap:16px 26px}.contact-email{font-size:21px}
}
@media(max-width:960px){
 .masthead{grid-template-columns:200px 1fr;gap:30px}.identity{gap:14px}.identity h1{font-size:24px}.personal{grid-template-columns:1fr}.school{display:none}.intro{font-size:18px}.quick-links{gap:26px}.stage{height:380px}.stage-screen{width:88%;left:6%}
 .project-caption{grid-template-columns:1fr 172px;gap:16px 28px}.project-description{grid-row:2;grid-column:1}.project-cta{grid-column:2;grid-row:1/3}.project-caption h2{font-size:30px}.project-entry{padding:14px 10px;gap:10px;align-items:flex-start;flex-direction:column}.project-entry-copy{flex-direction:row;align-items:center;justify-content:space-between;width:100%}.project-preview{width:100%;height:85px;object-fit:cover}.project-entry .icon{width:20px;height:20px}.project-entry-name{white-space:normal}
 .case-study{padding-top:38px}.case-columns{gap:32px}.build-path{grid-template-columns:1fr;gap:24px;margin-block:32px}.build-path li{gap:22px;padding-top:18px}.build-path h3{margin-bottom:8px}.evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.evidence-trigger>img{height:220px}.mobile-section{grid-template-columns:1fr 280px;gap:32px}.mobile-visuals img{height:270px}.expertise{grid-template-columns:1fr;gap:30px}.skill-row{grid-template-columns:200px 1fr}.expertise h2{font-size:28px}.contact{grid-template-columns:1fr;gap:20px}.contact-links{justify-content:flex-start;gap:22px 32px}.twin-main img{height:340px}.twin-support img{height:158px}
}
@media(max-width:760px){
 .project-entry .project-entry-name{display:none}.project-entry-short{display:block;font-size:16px;line-height:1.5;white-space:nowrap}.project-description .technical{display:none}
 .stage-picture .stage-screen{width:90%;max-width:none;left:auto;top:auto;margin-top:16px;height:calc(100% - 32px);aspect-ratio:auto}
 .stage-picture .stage-artwork{width:150%;max-width:none;margin-left:-50%;object-fit:cover;object-position:right 78%}
 body{font-size:16px;line-height:1.8}.wrap{width:calc(100% - 40px)}h2{font-size:27px}h3{font-size:20px}.masthead{display:block;padding:24px 0 20px;min-height:0}.identity{gap:13px}.identity-mark{width:44px;height:44px;border-radius:12px}.identity h1{font-size:24px}.role{font-size:16px}.personal{margin-top:22px;gap:14px}.intro{font-size:19px;line-height:1.8;max-width:550px}.quick-links{gap:28px;font-size:16px}
 .stage{height:clamp(235px,54vw,360px);border-radius:16px}.stage-screen{width:90%;left:5%;top:16px;height:calc(100% - 32px);border-radius:7px}.stage::before,.stage::after{top:20px;bottom:20px}.stage::before{left:2.5%}.stage::after{right:2.5%}.stage-zoom{right:10px;top:10px;padding:8px;border-radius:7px}.stage-zoom span{display:none}.stage-zoom .icon{width:20px;height:20px}
 .project-caption{display:block;min-height:0;padding:22px 0 24px}.project-caption h2{font-size:28px;margin-bottom:8px}.project-kind{font-size:16px}.project-description{margin-top:16px}.project-description>p:first-child{font-size:18px;line-height:1.8}.technical{font-size:16px;line-height:1.8;margin-top:8px}.project-cta{margin-top:20px;min-height:48px;padding:9px 18px;font-size:16px}
 .project-picker{grid-template-columns:1fr 1fr;padding:14px 0 22px;gap:0}.picker-indicator{left:calc(var(--column)*50%);top:calc(14px + var(--row)*(100% - 36px)/2);width:50%;height:calc((100% - 36px)/2);bottom:auto;border-top:0;border-radius:9px;transition:left .25s var(--ease),top .25s var(--ease)}.project-entry{flex-direction:row;align-items:center;gap:10px;padding:12px;min-height:86px}.project-entry+.project-entry{border-left:0}.project-preview{width:50px;height:50px;border-radius:5px}.project-entry-copy{display:block;width:auto}.project-entry-name{font-size:16px;line-height:1.5;display:block}.project-entry .icon{display:none}
 .case-study{padding:30px 0 36px}.case-top{margin-bottom:22px;gap:16px}.case-top>p{font-size:16px}.text-link{font-size:16px;gap:6px}.text-link .icon{width:19px;height:19px}.case-head{margin-bottom:24px}.case-head h2{font-size:27px;line-height:1.5}.mobile-break{display:block}.case-columns{grid-template-columns:1fr;gap:24px}.case-columns p{margin-top:10px}.build-path{margin:30px 0;gap:24px}.build-path li{gap:18px}.step-index{font-size:17px}
 .release-row{flex-wrap:wrap;gap:16px 22px;padding-top:24px}.release-row>div{width:100%}.release-row p{font-size:16px}.button{font-size:16px;padding:9px 16px;min-height:48px;gap:10px}.button .icon{width:21px;height:21px}.project-notes{margin-top:22px}.project-notes summary{font-size:16px}.project-notes>div{padding-top:10px}.actions{gap:12px;margin-top:24px}
 .evidence-tools{display:block;margin-top:30px}.filters{gap:8px}.filter{font-size:16px;padding:7px 12px}.evidence-count{display:block;margin-top:12px}.evidence-grid{grid-template-columns:1fr;gap:28px}.evidence-item h3{font-size:20px;margin-top:14px}.evidence-item p{margin-top:7px}.evidence-trigger>img{height:230px}.mobile-section{grid-template-columns:1fr;gap:26px;margin-top:30px;padding-top:26px}.mobile-visuals{max-width:340px;width:100%;margin-inline:auto}.mobile-visuals img{height:295px}
 .business-flow{display:block;margin-top:28px;padding:22px 0}.business-flow ol{gap:13px;font-size:18px;margin-top:18px}.business-flow .icon{width:20px;height:20px}.twin-visuals{grid-template-columns:1fr;gap:16px;margin-top:28px}.twin-main img{height:auto;max-height:320px}.twin-support{grid-template-columns:1fr 1fr;gap:12px}.twin-support img{height:145px}
 .expertise{padding:32px 0 36px;gap:26px}.expertise h2{font-size:27px}.skill-row{grid-template-columns:1fr;gap:10px;padding:22px 0}.skill-row h3{font-size:20px}.contact{padding:24px;border-radius:16px;gap:20px}.contact h2{font-size:27px}.contact-links{gap:16px 24px}.contact-email{font-size:19px;gap:10px;width:100%;overflow-wrap:anywhere}.contact-email .icon{width:22px;height:22px}.contact-other{font-size:16px;gap:6px}.footer{font-size:15px;padding:22px 0 24px;gap:20px}.footer a{gap:6px}.footer .icon{width:18px;height:18px}
 .viewer{width:calc(100vw - 20px);max-height:calc(100dvh - 20px);border-radius:12px}.viewer-head{padding:12px 14px;gap:12px}.viewer-head h2{font-size:19px}.viewer-close{width:36px;height:36px}.viewer-media{padding:10px}.viewer-media img{max-height:calc(100dvh - 310px)}.viewer-caption{padding:12px 14px 0;font-size:16px}.viewer-controls{padding:14px;flex-wrap:wrap;gap:12px}.viewer-step{gap:8px}.viewer-step .button{padding:8px 10px}.viewer-original{font-size:16px}
}
@media(max-width:370px){.wrap{width:calc(100% - 32px)}.project-entry{padding:10px 8px;gap:8px}.project-preview{width:44px;height:46px}.project-entry-name{font-size:15px}.business-flow ol{gap:9px;font-size:17px}.contact{padding:22px 18px}.contact-email{font-size:18px}}
@media(max-height:550px){.viewer[open]{display:flex;flex-direction:column;overflow:hidden}.viewer-head,.viewer-caption,.viewer-controls{flex-shrink:0}.viewer-media{display:block;flex:1 1 auto;min-height:0;overflow:auto}.viewer-media img{max-height:none;height:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Project screening room: quieter stage, complete artwork, and project-led practice. */
:root{--ink:#202b3b;--muted:#596575;--paper:#fafbfC;--line:#dde3eb;--soft-blue:#eaf0ff;--radius:16px}
body{font-family:"Segoe UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:16px;line-height:1.8}
h1,h2,h3{letter-spacing:.01em;font-weight:600}button,input{font-family:inherit}
.wrap{max-width:1240px;width:calc(100% - 96px)}
.masthead{height:auto;min-height:0;grid-template-columns:1fr auto;gap:8px 40px;padding:30px 0 28px;align-items:center}
.identity{grid-row:1/3;gap:0}
.identity h1{font-family:var(--hand);font-size:58px;line-height:1.15;letter-spacing:.025em;font-weight:400;margin:0}.name-dot{color:var(--blue);letter-spacing:0;margin-left:3px}.role{font-size:14px;margin-top:5px;letter-spacing:.08em}
.quick-links{grid-column:2;grid-row:2;justify-content:flex-end;gap:30px;font-size:15px}
.quick-links a{display:inline-flex;align-items:center;gap:7px;min-height:40px}.quick-links .icon{width:17px;height:17px}
.school{font-size:14px;margin:0;grid-column:2;grid-row:1;display:block;text-align:right}
.stage{height:clamp(400px,35vw,510px);background:linear-gradient(125deg,var(--stage-a),#ffffff80 50%,var(--stage-b));border:1px solid #ffffffc9;border-radius:24px;box-shadow:inset 0 1px 0 #fff,0 18px 60px #3f52700d;touch-action:pan-y pinch-zoom}
.stage::before,.stage::after{display:none}
.stage .stage-screen{position:absolute;left:50%;top:24px;translate:-50% 0;margin:0;width:calc(100% - 100px);max-width:1000px;height:calc(100% - 48px);aspect-ratio:auto;border:1px solid #d7dee9;border-radius:10px;background:#fff;box-shadow:0 12px 34px #293b5c16;transform-origin:50% 30%}
.stage-picture .stage-screen{width:auto;max-width:calc(100% - 80px);aspect-ratio:1340/814}
.stage .stage-artwork{width:100%;height:100%;min-height:0;max-width:100%;margin:0;object-fit:contain;object-position:center}
.stage-zoom{top:16px;right:16px;background:#ffffffed;font-size:14px;border-color:#d4ddea}
.stage-screen:focus-visible{outline-color:var(--blue)}
.project-caption{grid-template-columns:290px minmax(0,1fr) auto;gap:30px;min-height:130px;padding:26px 0;border-bottom:0}
.project-caption h2{font-family:var(--hand);font-weight:400;font-size:39px;line-height:1.3;margin-bottom:8px}.project-kind{font-size:14px}
.project-description>p:first-child{font-size:18px}.project-description .technical{font-size:15px;margin-top:7px}
.project-cta{min-height:48px;font-size:16px;padding:10px 22px}.button{font-weight:500;border-radius:11px}
.project-picker{gap:8px;padding:0 0 26px;border-bottom:1px solid var(--line)}
.picker-indicator{display:block;left:calc(var(--active)*(100% + 8px)/4);top:0;bottom:26px;width:calc((100% - 24px)/4);height:auto;border:1px solid #ffffffd9;border-radius:12px;background:linear-gradient(115deg,#ffffffc9,var(--stage-a));box-shadow:0 5px 20px #3b51600c;transition:left .3s var(--ease),top .3s var(--ease)}
.project-entry{padding:14px;gap:14px;min-height:82px;border:1px solid transparent;border-radius:8px;transition:background .2s var(--ease),border-color .2s var(--ease)}
.project-entry+.project-entry{border-left:1px solid transparent}.project-entry:hover{background:#ffffff70}.project-entry[aria-selected=true]{background:transparent;border-color:transparent}
.project-preview{width:76px;height:52px;object-fit:contain;object-position:center;border-radius:5px;border-color:#d8e0ec}
.project-entry-name{font-size:16px;font-weight:600;white-space:normal}.project-entry-copy{gap:8px}.project-entry .icon{display:none}
.case-study{border-top:0;padding:54px 0 62px}.case-top{margin-bottom:24px}.case-top>p{font-size:15px}.case-head h2{font-family:var(--hand);font-weight:400;font-size:40px;line-height:1.45}
.case-columns{grid-template-columns:1fr 1fr;gap:64px}.case-columns p,.build-path p{font-size:17px;line-height:1.85}
.case-focus .evidence-trigger{height:auto;background:#edf1f7;border-radius:12px;padding:10px}
.case-focus .evidence-trigger>img{width:100%;max-width:100%;height:240px;object-fit:contain;object-position:center;transform:none;background:transparent}
.case-focus .evidence-trigger:hover>img{transform:scale(1.015)}
.build-path{margin:40px 0;gap:34px}.build-path li{gap:15px}.build-path h3{font-size:20px}.step-index{font-size:15px;line-height:1.85}
.expertise{padding:54px 0 60px;grid-template-columns:260px minmax(0,1fr);gap:30px;align-items:start}
.expertise h2{font-family:var(--hand);font-weight:400;font-size:38px}
.skill-row{grid-template-columns:185px minmax(0,1fr);gap:24px;padding:27px 0}.skill-row:first-child{padding-top:0}.skill-row:last-child{padding-bottom:0}
.practice-title{display:flex;gap:14px;align-items:baseline}.practice-title>span{font-size:14px;color:var(--blue);font-variant-numeric:tabular-nums}.practice-title h3{font-size:20px;line-height:1.6}
.skill-row p{font-size:17px;line-height:1.85;max-width:610px}
.practice-link{display:inline-flex;align-items:center;gap:9px;background:transparent;padding:8px 0 0;font-size:15px;color:var(--blue);min-height:40px}
.practice-link .icon{width:18px;height:18px;transition:translate .18s var(--ease)}.practice-link:hover .icon{translate:3px 0}.practice-link:hover{text-decoration:underline;text-underline-offset:5px}
.contact{grid-template-columns:260px 1fr;gap:30px;padding:34px 36px;background:linear-gradient(110deg,#e0ececba,#f7e6dbb3 57%,#e9e2f6ad);color:var(--ink);border-radius:20px;border:1px solid #ffffffd9}
.contact h2{font-family:var(--hand);font-weight:400;font-size:37px;line-height:1.4}.contact-links{display:flex;flex-direction:column;align-items:flex-start;gap:18px}.contact-email{font-size:25px;color:var(--blue);gap:12px}.contact-more{display:flex;flex-wrap:wrap;gap:28px}.contact-other{font-size:16px;color:var(--muted)}.contact a:focus-visible{outline-color:var(--blue)}
.footer{font-size:14px;padding:24px 0 30px}.footer a{min-height:40px}
@media(min-width:1700px){.stage{height:530px}}
@media(max-width:1150px){
 .wrap{width:calc(100% - 64px)}.masthead{gap:8px 24px}.school{font-size:13px}
 .project-caption{grid-template-columns:260px minmax(0,1fr) auto;gap:24px}.project-caption h2{font-size:36px}.project-cta{padding:10px 16px}
 .project-entry{padding:12px;gap:10px}.project-preview{width:64px;height:50px}.project-entry-name{font-size:15px}
 .expertise{grid-template-columns:230px minmax(0,1fr);gap:32px}.skill-row{grid-template-columns:1fr;gap:12px}.contact{grid-template-columns:230px 1fr;gap:32px;padding:32px}
}
@media(max-width:960px){
 .masthead{grid-template-columns:1fr auto}.school{font-size:13px;grid-column:2;grid-row:1;margin:0}
 .stage{height:410px}.project-caption{grid-template-columns:1fr auto;gap:14px 24px}.project-description{grid-row:2;grid-column:1}.project-cta{grid-column:2;grid-row:1/3}
 .project-entry{flex-direction:row;align-items:center}.project-entry-copy{flex-direction:column;align-items:flex-start;width:auto}.project-preview{width:55px;height:50px}.project-entry .icon{display:none}
 .case-columns{gap:32px}.case-focus .evidence-trigger>img{height:200px}.expertise{grid-template-columns:1fr;gap:28px}.skill-row{grid-template-columns:210px minmax(0,1fr);gap:24px}
}
@media(max-width:760px){
 .wrap{width:calc(100% - 36px)}.masthead{display:grid;grid-template-columns:1fr auto;padding:24px 0;gap:12px}.identity{grid-row:1}.identity h1{font-size:42px}.role{font-size:13px;margin-top:5px}.quick-links{grid-row:1;gap:14px;font-size:14px}.quick-links .icon{display:none}
 .school{display:none}
 .stage{height:auto;aspect-ratio:1.5;border-radius:14px;min-height:0}.stage .stage-screen,.stage-picture .stage-screen{left:50%;top:14px;translate:-50% 0;width:calc(100% - 28px);max-width:none;height:calc(100% - 28px);margin:0;aspect-ratio:auto;border-radius:6px;box-shadow:0 5px 15px #293b5c12}
 .stage .stage-artwork{width:100%;height:100%;max-width:100%;min-height:0;margin:0;object-fit:contain;object-position:center}
 .stage-zoom{top:auto;bottom:10px;right:10px;padding:7px;background:#fffffff2}.stage-zoom span{display:none}
 .project-caption{display:grid;grid-template-columns:1fr auto;gap:12px 16px;padding:20px 0}.project-caption>div:first-child{grid-column:1/-1}.project-caption h2{font-size:35px;line-height:1.35;margin-bottom:6px}.project-kind{font-size:14px}.project-description{margin:0;grid-row:2;grid-column:1/-1}.project-description>p:first-child{font-size:17px;line-height:1.8}.keep{display:inline}.project-description .technical{display:none}.project-cta{grid-column:1/-1;grid-row:3;justify-self:start;margin:3px 0 0;min-height:46px;font-size:15px;padding:9px 17px}
 .project-picker{grid-template-columns:1fr 1fr;gap:7px;padding:0 0 24px}.picker-indicator{left:calc(var(--column)*(100% + 7px)/2);top:calc(var(--row)*(100% - 17px)/2);bottom:auto;width:calc((100% - 7px)/2);height:calc((100% - 31px)/2)}.project-entry{min-height:76px;padding:11px;gap:10px}.project-entry+.project-entry{border-left:1px solid transparent}.project-entry[aria-selected=true]{border-color:transparent}.project-preview{width:48px;height:44px}.project-entry-short{font-size:15px}.project-entry .project-entry-name{display:none}
 .case-study{padding:34px 0 42px}.case-head{margin-bottom:24px}.case-head h2{font-size:33px;line-height:1.5}.case-top{margin-bottom:22px}.case-top>p{font-size:15px}.case-columns{grid-template-columns:1fr;gap:26px}.case-columns p,.build-path p{font-size:16px;line-height:1.85}.case-focus .evidence-trigger>img{height:auto;max-height:none;aspect-ratio:1340/814}.case-focus .evidence-trigger{padding:8px}.build-path{gap:24px;margin:28px 0}.build-path h3{font-size:19px}.step-index{font-size:14px}
 .expertise{padding:36px 0 42px;gap:28px}.expertise h2{font-size:33px}.skill-row{grid-template-columns:1fr;gap:12px;padding:24px 0}.practice-title h3{font-size:20px}.skill-row p{font-size:16px}.practice-link{font-size:15px;padding-top:10px}
 .contact{grid-template-columns:1fr;gap:23px;padding:26px 22px;border-radius:14px}.contact h2{font-size:33px;line-height:1.45}.contact-email{font-size:19px;gap:9px;overflow-wrap:anywhere;min-width:0}.contact-links{min-width:0;gap:20px}.contact-more{gap:15px 23px}.contact-other{font-size:15px}.contact-email .icon{width:20px}.footer{font-size:13px;padding:18px 0 24px}
}
@media(max-width:370px){.wrap{width:calc(100% - 28px)}.quick-links{gap:10px;font-size:13px}.identity h1{font-size:39px}.project-entry{padding:10px 8px;gap:8px}.project-preview{width:40px}.project-entry-short{font-size:14px}.contact{padding:24px 18px}.contact-email{font-size:18px}}

/* Ink headings, translucent colour fields, and direct project navigation. */
body{background:#f8f6f1}
#page-shell{position:relative;isolation:isolate;--stage-a:#c5e1eea6;--stage-b:#e3d5efb0}
#page-shell[data-project=dify]{--stage-a:#b9e3dbad;--stage-b:#eee0bab8}
#page-shell[data-project=web]{--stage-a:#edd1c4bd;--stage-b:#e0d8f2b8}
#page-shell[data-project=twin]{--stage-a:#c3d4ecbf;--stage-b:#b9dddabf}
.page-atmosphere{position:fixed;inset:0;z-index:-1;pointer-events:none}
.ambience{position:absolute;inset:0;opacity:0;transition:opacity .65s ease}
.ambience.is-current{opacity:1}
.ambience-picture{background:radial-gradient(ellipse at 2% 10%,#b9dfeb9c,transparent 55%),radial-gradient(ellipse at 98% 30%,#e4c9ef91,transparent 55%),radial-gradient(ellipse at 30% 100%,#f2d4bfa8,transparent 60%)}
.ambience-dify{background:radial-gradient(ellipse at 0% 15%,#a7d9ca9c,transparent 60%),radial-gradient(ellipse at 95% 10%,#efdaaea1,transparent 58%),radial-gradient(ellipse at 65% 100%,#c9d9edaa,transparent 55%)}
.ambience-web{background:radial-gradient(ellipse at 5% 5%,#f2c6b39c,transparent 60%),radial-gradient(ellipse at 95% 45%,#d7cbeca1,transparent 60%),radial-gradient(ellipse at 20% 100%,#d7e5c5aa,transparent 55%)}
.ambience-twin{background:radial-gradient(ellipse at 0% 20%,#b3cbedaa,transparent 60%),radial-gradient(ellipse at 95% 5%,#b0d8d5aa,transparent 60%),radial-gradient(ellipse at 65% 100%,#e5d4ebaa,transparent 55%)}
.quick-links a{position:relative}.quick-links a::after{content:"";position:absolute;bottom:2px;left:0;width:100%;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}.quick-links a:hover::after,.quick-links a:focus-visible::after{transform:scaleX(1)}
.stage-step{position:absolute;z-index:2;top:calc(50% - 24px);width:48px;height:48px;display:grid;place-items:center;border:1px solid #ffffffd9;border-radius:50%;background:#ffffffbf;color:var(--ink);box-shadow:0 4px 15px #35466b0c;transition:background .2s,transform .18s}
.stage-step:hover{background:#fff;transform:translateY(-2px)}.stage-step:active{transform:scale(.94)}.stage-previous{left:20px}.stage-next{right:20px}
.stage-position{position:absolute;bottom:15px;right:25px;display:flex;gap:6px;font-size:14px;font-family:"Segoe UI",sans-serif;font-variant-numeric:tabular-nums;color:#4a5c74}.stage-position>span:first-child{color:var(--blue);font-weight:600}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.title-phrase{display:inline-block;max-width:100%}
.reading-progress{position:fixed;z-index:10;top:0;left:0;height:3px;width:100%;background:linear-gradient(90deg,#438b92,#4e6ad9,#ac7498);transform:scaleX(var(--progress,0));transform-origin:left;pointer-events:none}
.back-top{position:fixed;right:18px;bottom:20px;width:44px;height:44px;display:grid;place-items:center;background:#fffdf8ed;border:1px solid #d5dce8;border-radius:50%;box-shadow:0 6px 24px #21385212;z-index:8;visibility:hidden;opacity:0;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s}.back-top.is-visible{visibility:visible;opacity:1;transform:none}.back-top:hover{color:var(--blue)}
.viewer[open]{display:flex;flex-direction:column;overflow:hidden}.viewer-head,.viewer-caption,.viewer-controls{flex-shrink:0}.viewer-head h2{font-family:"Segoe UI","Microsoft YaHei",sans-serif}.viewer-media{display:block;flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain}.viewer-media img{display:block;margin:auto;cursor:zoom-in}.viewer-media.is-zoomed img{width:auto;max-width:none;height:auto;max-height:none;cursor:zoom-out}.viewer-media:focus-visible{outline-offset:-4px}.viewer-controls{flex-wrap:wrap;gap:12px 20px}.viewer-controls.single{justify-content:space-between}.viewer-detail{min-height:40px;padding:6px 12px;font-size:15px}.viewer-detail .icon{width:18px;height:18px}
@media(hover:hover){.project-preview{transition:transform .25s var(--ease)}.project-entry:hover .project-preview{transform:translateY(-3px)}}
@media(max-width:760px){.stage{padding-bottom:44px;aspect-ratio:auto;height:calc((100vw - 36px)/1.5 + 44px)}.stage .stage-screen,.stage-picture .stage-screen{height:calc(100% - 70px)}.stage-step{top:auto;bottom:6px;width:36px;height:36px}.stage-step .icon{width:19px;height:19px}.stage-previous{left:14px}.stage-next{left:60px;right:auto}.stage-position{right:auto;left:50%;bottom:12px;transform:translateX(-50%);font-size:13px}.stage-zoom{bottom:6px;right:12px;min-width:36px;min-height:36px}.back-top{right:10px;bottom:14px;width:40px;height:40px}.viewer-caption{font-size:14px;line-height:1.65}.viewer-controls{padding:12px 14px}.viewer-media img{max-height:calc(100dvh - 300px)}}