:root{--paper:#fafaf7;--ink:#202321;--muted:#686e69;--line:#dedfd8;--blue:#254ff0;--green:#008774;--orange:#ff603d;--lime:#d9f55b;--violet:#7857c9;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}body.dialog-open{overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}button{border:0}p,h1,h2,h3,figure{margin:0}::selection{background:var(--lime);color:var(--ink)}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}button:focus-visible{outline-offset:4px}a,button{touch-action:manipulation}.blue{color:var(--blue)}.green{color:var(--green)}.orange{color:var(--orange)}.violet{color:var(--violet)}.blue-bg{background:var(--blue)}.green-bg{background:var(--green)}.orange-bg{background:var(--orange)}.section-shell{width:min(1280px,calc(100% - 112px));margin-inline:auto}.section-space{padding-block:112px}.skip-link{position:fixed;top:-100px;left:20px;padding:14px 20px;background:var(--ink);color:white;z-index:100}.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(250,250,247,.94);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{width:min(1440px,calc(100% - 112px));margin:auto;height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:650;letter-spacing:-.4px}.brand-mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--blue);color:white;font-size:24px;border-radius:10px;font-weight:750;letter-spacing:-4px;padding-right:5px}.brand-mark span{color:var(--lime)}.brand-en{font-weight:450;font-size:15px;color:var(--muted);margin-left:4px}.desktop-nav{display:flex;gap:36px;margin-left:70px;font-size:14px;color:#515851}.desktop-nav a{padding-block:12px;position:relative}.desktop-nav a::after{content:"";position:absolute;bottom:4px;left:0;width:0;height:2px;background:var(--blue);transition:width .2s}.desktop-nav a:hover::after,.desktop-nav a[aria-current]::after{width:100%}.nav-contact{border:1px solid #bec1b9;border-radius:50px;display:flex;align-items:center;gap:25px;padding:11px 18px;font-size:13px}.nav-contact:hover{background:var(--lime);border-color:var(--lime)}.nav-contact span{font-size:20px}.menu-toggle{display:none}.mobile-nav[hidden]{display:none}
.hero{padding-top:72px;display:grid;grid-template-columns:1.1fr 1fr;column-gap:30px;position:relative;align-items:center}.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:550;letter-spacing:1.2px}.hello-dot{width:8px;height:8px;background:var(--green);border-radius:100%;box-shadow:0 0 0 4px #e6efdc}.hero h1{font-size:clamp(66px,6.6vw,96px);font-weight:650;line-height:1.22;letter-spacing:-5px;margin:29px 0 23px;white-space:nowrap}.hero-description{font-size:18px;line-height:1.85;letter-spacing:.4px;color:#60665f}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;min-height:52px;padding:13px 22px;border-radius:6px;font-size:14px;font-weight:550;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-dark{background:var(--ink);color:var(--paper)}.button-dark:hover{background:var(--blue)}.button span{font-size:21px}.text-link{font-size:14px;display:flex;align-items:center;gap:15px}.text-link span{font-size:22px}.text-link:hover{color:var(--blue)}.hero-role{font-size:12px;color:var(--muted);margin-top:27px}.hero-role>span{color:var(--green);font-size:18px;margin-right:5px}
.hero-collage{position:relative;height:470px;width:100%;max-width:550px;justify-self:end;margin-top:24px}.collage-grid{position:absolute;inset:21px 3px 29px 10px;background-image:radial-gradient(#cbd0c7 .8px,transparent .8px);background-size:18px 18px;opacity:.65;mask-image:linear-gradient(90deg,transparent,#000 25%,#000 80%,transparent)}.collage-label{position:absolute;top:0;left:68px;font-size:10px;letter-spacing:1.5px;color:#73796e}.connection-path{position:absolute;inset:0;width:100%;height:100%}.collage-photo{position:absolute;overflow:hidden;border:6px solid white;box-shadow:0 10px 24px #2939270c;background:white}.collage-photo img{width:100%;aspect-ratio:16/9;object-fit:cover}.collage-photo figcaption{display:flex;align-items:center;justify-content:space-between;font-size:9px;padding:9px 6px 4px;letter-spacing:.2px}.collage-photo figcaption span:first-child{color:var(--muted);font-size:8px;letter-spacing:.6px}.photo-glass{width:72%;left:7%;top:36px;transform:rotate(-6deg);z-index:2}.photo-me{width:67%;right:0;top:250px;transform:rotate(6deg);z-index:3}.collage-stamp{position:absolute;left:4%;top:245px;width:132px;height:132px;border-radius:100%;background:var(--lime);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;transform:rotate(-10deg);z-index:4}.stamp-plus{font-size:40px;line-height:1}.collage-stamp>span:last-child{font-size:11px;line-height:1.6;text-align:center;letter-spacing:1px}.collage-note{position:absolute;left:19px;bottom:10px;font-size:14px;line-height:1.7;font-weight:550;transform:rotate(-5deg)}.collage-cross{position:absolute;right:2%;top:64px;color:var(--orange);font-size:85px;line-height:1;font-weight:300;transform:rotate(12deg)}.hero-bottom{grid-column:1/-1;display:flex;justify-content:space-between;padding:54px 0 24px;color:#777d73;font-size:10px;letter-spacing:1.1px}.hero-bottom>span:last-child{display:flex;align-items:center;gap:10px;letter-spacing:0}.location-dot{width:6px;height:6px;display:inline-block;border-radius:100%;background:var(--green)}
.metrics-band{background:#f0f1eb;border-block:1px solid var(--line)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);padding-block:32px}.metrics>div{padding-left:40px;border-left:1px solid #d9dcd1}.metrics>div:first-child{padding-left:0;border:0}.metrics p{display:flex;align-items:baseline;gap:3px;margin-bottom:8px;font-weight:500}.metrics p>span{font-size:45px;letter-spacing:-2px;line-height:1.2}.metrics small{font-size:20px;margin-left:2px;font-weight:500}.metrics sup{align-self:flex-start;font-size:20px;font-weight:400;margin-top:4px}.metrics>div>span{font-size:12px;color:var(--muted)}
.section-label{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:550;letter-spacing:1.6px}.tiny-square{width:7px;height:7px}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:84px;margin-top:38px}h2{font-size:clamp(35px,3.5vw,50px);font-weight:600;line-height:1.4;letter-spacing:-1.8px}.about-copy .lead{font-size:23px;line-height:1.7;color:var(--ink);margin-bottom:22px;font-weight:450}.about-copy>p:not(.lead){font-size:15px;line-height:1.95;color:var(--muted);margin-bottom:15px}.about-copy strong{font-weight:500;color:var(--ink)}.about-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.about-tags>span{font-size:11px;padding:7px 12px;border:1px solid #d8dbd0;border-radius:30px;background:#f2f3ed}.connection-board{margin-top:62px;border:1px solid var(--line);padding:24px 32px 34px;border-radius:10px;background:#fff}.board-caption{font-size:12px;display:flex;justify-content:space-between;align-items:center;padding-bottom:27px;color:#737970}.board-caption>span{font-size:9px;letter-spacing:1.4px;color:#8b9087}.connection-chain{display:grid;grid-template-columns:1fr 35px 1fr 35px 1fr 35px 1fr;align-items:center;gap:15px}.connection-chain>div{display:grid;grid-template-columns:30px 1fr;column-gap:12px;align-items:center}.chain-number{grid-row:1/3;font-size:13px;align-self:start;font-weight:600;padding-top:3px}.connection-chain strong{font-size:16px;font-weight:550}.connection-chain small{font-size:11px;color:var(--muted);margin-top:9px}.chain-arrow{color:#afb5a9;font-size:26px}
.work-section{background:#f0f2ed;border-top:1px solid #e4e6de}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-top:33px;margin-bottom:48px}.section-heading>p{font-size:14px;line-height:1.9;color:var(--muted);padding-bottom:7px}.projects{display:grid;grid-template-columns:1fr 1fr;gap:56px 32px}.project{min-width:0}.project-visual{height:330px;position:relative;border-radius:var(--radius);overflow:hidden}.visual-topline{position:absolute;top:22px;left:25px;right:25px;display:flex;align-items:center;gap:7px;font-size:9px;letter-spacing:1.5px;z-index:3}.visual-topline>span:last-child{margin-left:auto}.visual-dot{background:var(--lime);width:6px;height:6px;border-radius:100%}.visual-note{position:absolute;left:25px;bottom:21px;font-size:11px;z-index:3;letter-spacing:.4px}.qwen-visual{background:#2449de;color:white}.qwen-screen{position:absolute;width:76%;bottom:55px;right:-2%;transform:rotate(-5deg);box-shadow:0 10px 25px #13258a50;border:5px solid #f4f4ff;border-radius:5px}.qwen-orbit{position:absolute;left:23px;top:65px;display:flex;align-items:center;gap:15px;color:var(--lime)}.qwen-orbit>span:first-child{font-size:56px;font-weight:500;letter-spacing:-3px}.qwen-orbit>span:nth-child(2){font-size:35px}.qwen-orbit>span:last-child{font-size:20px;letter-spacing:6px}.rokid-visual{background:#eddbe9}.rokid-visual>img{width:100%;height:100%;object-fit:cover}.rokid-visual .visual-topline,.rokid-visual .visual-note{color:#48384a}.youdao-visual{background:#dfeee2}.youdao-type{position:absolute;top:63px;left:29px;font-size:32px;font-weight:600;line-height:1.3;letter-spacing:-1px}.youdao-type>span{color:var(--green)}.youdao-visual img{position:absolute;width:86%;left:7%;bottom:65px;transform:rotate(-10deg);mix-blend-mode:multiply;filter:drop-shadow(0 10px 6px #294c3c20)}.chip-visual{background:#191f34;color:#f5f6ff}.chip-visual>img{position:absolute;left:0;top:0;height:100%;width:100%;object-fit:cover;opacity:.86}.chip-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#12182b5e,transparent 38%,transparent 65%,#12182b80)}.chip-tag{position:absolute;right:22px;bottom:21px;background:var(--lime);color:#202a29;transform:rotate(-7deg);padding:8px 15px;font-size:13px;font-weight:550;z-index:3}.project-copy{padding:22px 2px 0}.project-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted);margin-bottom:13px}.project-meta>span:last-child{font-size:8px;letter-spacing:1px}.project h3{font-size:27px;font-weight:550;letter-spacing:-.8px;margin-bottom:13px}.project-copy>p{color:var(--muted);font-size:14px;line-height:1.9;max-width:510px}.project-results{display:flex;gap:27px;margin-top:25px;min-height:51px}.project-results>span{display:flex;flex-direction:column;gap:6px;font-size:10px;color:var(--muted)}.project-results strong{font-size:23px;line-height:1.15;font-weight:500;letter-spacing:-.5px;color:var(--ink)}.case-button{margin-top:25px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:none;border-bottom:1px solid #babfb3;padding:0 0 8px;font-size:12px;min-height:34px;transition:color .2s,border-color .2s}.case-button span{font-size:19px;transition:transform .2s}.case-button:hover{color:var(--blue);border-color:var(--blue)}.case-button:hover span{transform:translate(2px,-2px)}.image-credit{font-size:10px;line-height:1.7;color:#7a8075;margin-top:36px}
.journey .section-heading{margin-bottom:56px}.journey .section-heading h2{font-size:clamp(33px,3.15vw,45px)}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.timeline-top{position:relative;border-bottom:1px solid #cdd2c7;padding-bottom:22px;font-size:11px;letter-spacing:1.1px;color:var(--muted)}.timeline-node{position:absolute;width:9px;height:9px;bottom:-5px;left:0;border-radius:100%;box-shadow:0 0 0 5px var(--paper)}.timeline h3{font-size:22px;font-weight:550;letter-spacing:-.5px;margin:28px 0 10px}.timeline-place{font-size:11px;color:var(--green);margin-bottom:15px}.timeline article>p:last-child{font-size:13px;color:var(--muted);line-height:1.9;max-width:325px}.personal-note{display:flex;align-items:center;gap:30px;margin-top:75px;padding:35px 0;border-block:1px solid var(--line)}.note-star{font-size:61px;line-height:1;transform:rotate(-8deg)}.personal-note>p{font-size:25px;line-height:1.8;letter-spacing:-.5px}.personal-note>p>span{background:linear-gradient(transparent 67%,#e4ecaf 67%,#e4ecaf 94%,transparent 94%)}.note-signature{margin-left:auto;color:var(--muted);font-size:13px}.education{display:flex;gap:50px;align-items:flex-start;margin-top:30px;font-size:11px;color:var(--muted);line-height:1.9}.education>span{color:#878d80;white-space:nowrap}.education p>span{margin:0 15px;color:#a9aea3}.education small{font-size:10px;color:#8a9084}
.contact-section{background:var(--blue);color:white;overflow:hidden}.contact-inner{padding:55px 0 30px;position:relative}.contact-top{display:flex;align-items:center;justify-content:space-between}.contact-top .section-label{color:#d1d9ff}.contact-spark{font-size:80px;line-height:1;color:var(--lime);position:absolute;top:90px;right:50px;transform:rotate(-12deg)}.contact-inner h2{font-size:clamp(49px,5.8vw,82px);line-height:1.3;letter-spacing:-3px;margin-top:39px;max-width:900px}.contact-inner h2>span{margin-left:35px;color:var(--lime);font-size:90px;font-weight:300}.contact-description{font-size:15px;line-height:1.9;color:#d2dcff;position:absolute;right:5px;top:285px}.contact-actions{display:flex;align-items:center;gap:25px;margin-top:35px}.email-link{font-size:clamp(20px,2.5vw,33px);font-weight:400;letter-spacing:-.6px;padding-bottom:8px;border-bottom:1px solid #b5c2ff;display:flex;align-items:center;gap:50px}.email-link:hover{color:var(--lime);border-color:var(--lime)}.email-link>span{font-size:29px}.copy-button{display:flex;align-items:center;gap:14px;background:transparent;color:#e6eaff;border:1px solid #6f8aff;border-radius:50px;padding:10px 14px;font-size:11px;min-height:38px}.copy-button>span{font-size:17px}.copy-button:hover{background:#ffffff18}.contact-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #637ef2;margin-top:58px;padding-top:22px;font-size:11px;color:#d4ddff}.contact-bottom>a{display:flex;align-items:center;gap:26px}.contact-bottom>a:hover{color:var(--lime)}.contact-bottom>a>span{font-size:19px}.site-footer{display:flex;align-items:center;gap:28px;height:105px;font-size:10px;color:var(--muted)}.footer-brand{display:flex;gap:16px;align-items:center;font-size:11px;letter-spacing:.5px;color:var(--ink)}.footer-brand>span{font-size:25px}.site-footer>span:nth-of-type(1){margin-left:auto}.back-top{margin-left:8px;border:1px solid var(--line);border-radius:100%;height:32px;width:32px;display:grid;place-items:center;font-size:18px}
.case-dialog{width:min(790px,calc(100% - 36px));max-height:88vh;max-height:88dvh;padding:0;border:0;border-radius:16px;background:var(--paper);color:var(--ink);box-shadow:0 20px 100px #0003}.case-dialog::backdrop{background:#141c25a6;backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;padding:17px 30px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:2}.dialog-top>span{font-size:10px;letter-spacing:1px;color:var(--muted)}.dialog-top>button{display:flex;align-items:center;gap:15px;background:transparent;font-size:12px;min-height:35px}.dialog-top>button>span{font-size:25px}.dialog-body{padding:35px 38px}.dialog-body h2{font-size:36px;line-height:1.4;letter-spacing:-1px}.dialog-intro{font-size:15px;color:var(--muted);line-height:1.9;margin:19px 0 27px}.case-image{width:100%;max-height:320px;object-fit:contain;background:#f0f1ec;border-radius:8px}.case-image-caption{font-size:10px;color:var(--muted);line-height:1.7;margin:9px 0 27px}.case-detail{display:grid;grid-template-columns:80px 1fr;gap:15px;padding:23px 0;border-top:1px solid var(--line)}.case-detail h3{font-size:11px;color:var(--blue);font-weight:550;padding-top:4px}.case-detail p{font-size:14px;line-height:1.9;color:#525b52}.case-detail strong{color:var(--ink);font-weight:550}.case-stat-row{display:flex;flex-wrap:wrap;gap:25px;background:#eaf0e0;border-radius:8px;padding:23px;margin-bottom:23px}.case-stat-row>div{flex:1;min-width:100px;display:flex;flex-direction:column;gap:7px}.case-stat-row strong{font-size:25px;font-weight:550;letter-spacing:-.5px}.case-stat-row span{font-size:10px;color:var(--muted)}.case-sources{margin-top:18px;padding-top:20px;border-top:1px solid var(--line);font-size:10px;color:var(--muted);line-height:1.9}.case-sources>p{margin-bottom:8px}.case-sources a{text-decoration:underline;text-underline-offset:3px;margin-right:14px}.case-sources a:hover{color:var(--blue)}.dialog-footer{padding:21px 30px;background:#f0f2e9;display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:12px}.dialog-footer>a{color:var(--blue)}.dialog-footer>button{background:none;font-size:11px;border-bottom:1px solid #b8beb0;padding:6px 0}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,12px);background:var(--ink);color:white;padding:13px 22px;border-radius:7px;font-size:13px;opacity:0;pointer-events:none;z-index:100;transition:transform .2s,opacity .2s;max-width:calc(100vw - 30px);text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}
@media(min-width:1600px){.hero{padding-top:90px}.hero h1{font-size:98px}.hero-bottom{padding-top:75px}.hero-collage{height:490px}.photo-me{top:260px}}
@media(max-width:1100px){.section-shell,.nav-shell{width:calc(100% - 72px)}.hero{gap:15px;padding-top:60px}.hero h1{font-size:71px;letter-spacing:-4px}.hero-collage{height:425px}.photo-me{top:227px}.collage-stamp{top:226px;width:115px;height:115px}.collage-note{bottom:0}.collage-label{left:50px}.desktop-nav{margin-left:0;gap:25px}.hero-role{font-size:10px}.hero-description{font-size:16px}.hero-actions{gap:24px}.hero-actions .button{gap:22px}.about-layout{gap:50px}.connection-board{padding-inline:24px}.connection-chain{gap:8px;grid-template-columns:1fr 24px 1fr 24px 1fr 24px 1fr}.connection-chain>div{grid-template-columns:22px 1fr;gap:7px}.connection-chain strong{font-size:14px}.connection-chain small{font-size:10px}.section-space{padding-block:88px}.project-visual{height:290px}.project h3{font-size:24px}.project-meta{font-size:9px}.project-meta>span:last-child{font-size:7px}.project-results{gap:20px}.contact-description{top:260px;font-size:13px}.contact-spark{right:25px}.contact-inner h2{font-size:70px}.metrics>div{padding-left:25px}.metrics p>span{font-size:39px}.metrics>div>span{font-size:11px}}
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@media(max-width:360px){.section-shell,.nav-shell{width:calc(100% - 32px)}.hero h1{font-size:50px}.hero-collage{height:325px}.photo-me{top:175px}.collage-stamp{top:172px;width:85px;height:85px}.collage-note{bottom:2px}.hero-actions{gap:20px}.hero-actions .button{gap:18px}.project-visual{height:250px}.project h3{font-size:22px}.project-meta>span:last-child{display:none}.project-results{gap:20px}.contact-inner h2{font-size:44px}.contact-inner h2>span{margin-left:10px}.email-link{font-size:21px;gap:15px}.personal-note>p{font-size:16px}.connection-board{padding-inline:13px}.connection-chain{column-gap:4px}.connection-chain strong{font-size:11px}.metrics p>span{font-size:33px}}
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