:root{--paper:#f4f4ec;--ink:#253b30;--muted:#687268;--line:#d4d9cd;--green:#294737;--lime:#cce18d;--serif:'Songti SC','STSong','Noto Serif CJK SC',serif;--sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}header{display:flex;justify-content:space-between;align-items:center;padding:20px 5vw;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;background:var(--paper)}.wordmark{font-size:20px;font-weight:650;letter-spacing:.04em;display:flex;align-items:center;gap:16px}.wordmark span{font-size:10px;font-weight:500;letter-spacing:.2em;border-left:1px solid var(--line);padding-left:16px}nav{display:flex;gap:32px;font-size:14px}nav 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@media(min-width:1600px){.experience{padding-left:calc((100vw - 1440px)/2);padding-right:calc((100vw - 1440px)/2)}}
@media(max-width:1000px){.hero-grid{grid-template-columns:1fr;gap:55px;padding-bottom:65px}.hero-visual{max-width:650px;margin:0 10px 0 auto;width:90%}.hero-grid h1{font-size:52px}.fitness-main{grid-template-columns:1fr;padding:25px;gap:5px}.image-notes{padding:15px 0 0}.image-notes h4 br{display:none}.mobile-showcase{padding:40px;gap:30px}.graph-layout{gap:30px}.experience-row{grid-template-columns:35px 1fr 150px;gap:20px}.contribution{padding-left:20px}.about{gap:40px}.hero-top{font-size:10px}}
@media(max-width:600px){body{font-size:14px}header{padding:17px 6vw}.wordmark{font-size:18px;gap:8px}.wordmark span{font-size:8px;padding-left:8px}nav{gap:20px;font-size:12px}.hero,.section,footer{padding-left:6vw;padding-right:6vw}.hero{padding-top:20px}.hero-top span:last-child{display:none}.hero-grid{padding:40px 0 48px;gap:35px;min-height:0}.hero-grid h1{font-size:36px;line-height:1.45;letter-spacing:-.04em;margin-bottom:18px}.intro{font-size:13px;margin-bottom:24px}.desktop-break{display:none}.eyebrow{font-size:10px;margin-bottom:12px}.primary{font-size:13px;padding:10px 18px}.hero-visual{width:96%;margin-right:5px;padding:18px 15px 16px;box-shadow:7px 10px 0 #e0e5d6}.visual-label{margin-bottom:15px;font-size:8px}.visual-footer{margin-top:14px}.visual-footer strong{font-size:14px}.visual-footer span{font-size:9px}.hero-bottom{font-size:10px}.section{padding-top:65px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:18px;font-size:12px}h2{font-size:32px}.project-index>a{grid-template-columns:25px 1fr 16px;gap:12px;padding:18px 0}.project-index strong{font-size:16px}.project-index small{display:none}.project-index b{font-size:18px}.case{padding-top:55px}.case+.case{margin-top:55px}.case-heading{gap:18px}.case-number{font-size:40px}h3{font-size:26px}.case-subtitle{font-size:13px;line-height:1.8;margin-bottom:18px}.case-overview{grid-template-columns:1fr;gap:16px;margin:8px 0 25px}.case-overview h4{font-size:14px;margin-bottom:8px}.case-overview p{font-size:13px;margin-bottom:12px}.fitness-main{padding:16px}.image-notes h4{font-size:25px}.image-notes p{font-size:13px}.fitness-pair{grid-template-columns:1fr;gap:20px;margin-top:25px}.fitness-pair h4{font-size:16px;margin-top:15px}.fitness-pair p{font-size:13px}.mobile-showcase{grid-template-columns:1fr;gap:20px;padding:28px 20px;margin-top:25px}.mobile-showcase h4{font-size:30px}.mobile-showcase h4 br{display:none}.phones{gap:15px}.phones>a{width:43%;max-width:160px;border-width:3px}.phones>a:last-child{margin-top:25px}.metrics{grid-template-columns:1fr 1fr;margin-bottom:25px}.metrics>div{padding:18px 8px 18px 0}.metrics strong{font-size:32px}.metrics>div>span{font-size:11px}.metrics.three strong{font-size:24px}.research-images{grid-template-columns:1fr;gap:20px}.research-images a{min-height:0;padding:10px}.research-images img{max-height:320px}.detail-line{grid-template-columns:1fr;margin-top:25px}.detail-line p{font-size:13px}.graph-layout{grid-template-columns:1fr;gap:28px}.graph-layout h4{font-size:26px}.graph-layout h4 br{display:none}.experience{margin-top:55px;padding-bottom:55px}.experience-row{grid-template-columns:24px 1fr;gap:13px;padding:25px 0}.experience-row h3{font-size:23px}.experience-row p{font-size:13px}.contribution{grid-column:2;border-left:0;padding:15px 0 0}.contribution p br{display:none}.contribution p{word-spacing:12px}.about{grid-template-columns:1fr;gap:30px;padding-bottom:55px}.about h2{font-size:30px}.skills>div{padding:17px 0}footer{display:grid;grid-template-columns:1fr auto;padding-top:25px;padding-bottom:25px;gap:20px}footer p{grid-row:2;grid-column:1/-1;font-size:10px}footer>a:last-child{grid-column:2;grid-row:1}dialog{padding:52px 12px 15px}dialog>img{max-height:70dvh}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-visual{transform:none}}
@media print{header{position:static}nav,.primary,.hero-bottom,dialog{display:none}.hero-visual{transform:none;box-shadow:none}.case{break-inside:avoid}.section{padding-top:30px}.experience{background:none}.mobile-showcase{background:none;color:var(--ink)}.mobile-showcase p{color:var(--muted)}}
/* Experience and story update */
.journey{padding-top:80px}.journey .section-heading h2{font-size:34px}.storyline{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;padding:0;margin:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.storyline>li{padding:27px 25px 27px 0}.storyline>li+li{border-left:1px solid var(--line);padding-left:25px}.storyline>li>span{font-family:Georgia,serif;color:#879b69;font-size:22px;font-style:italic}.storyline h3{font-family:var(--sans);font-size:19px;font-weight:550;margin:12px 0 10px}.storyline p{font-size:12px;color:var(--muted);line-height:1.85;margin-bottom:16px}.storyline a{font-size:11px;border-bottom:1px solid #a9b79c;padding-bottom:3px}.storyline a:hover{color:#628134}.experience{margin-top:80px}.featured-experience{padding:38px 0 42px;border-top:1px solid #cbd2c0;scroll-margin-top:10px}.featured-experience+.featured-experience{margin-top:20px}.employer-heading{display:flex;justify-content:space-between;align-items:center;gap:35px;margin-bottom:30px}.employer-heading h3{font-size:35px;margin-bottom:4px}.employer-heading .eyebrow{margin-bottom:8px}.role{font-size:13px;color:var(--muted);margin-bottom:0}.company-logo{width:170px;object-fit:contain;flex:none}.agibot-logo{width:195px;background:white}.meituan-logo{width:140px}.experience-lead{max-width:750px;margin-bottom:32px}.experience-lead>.eyebrow{margin-bottom:10px}.experience-lead h4{font-family:var(--serif);font-size:27px;font-weight:500;line-height:1.5}.experience-lead>p:not(.eyebrow){font-size:14px;color:var(--muted);margin-bottom:0}.work-evidence{border-top:1px solid #cbd2c0}.work-evidence>div{display:grid;grid-template-columns:36px 180px 1fr 215px;gap:24px;padding:24px 0;border-bottom:1px solid #cbd2c0;align-items:start}.work-evidence>div>span{font-family:Georgia,serif;color:#879b69;font-size:17px}.work-evidence h4{font-size:16px;line-height:1.85;margin:0}.work-evidence p{font-size:13px;line-height:1.85;color:var(--muted);margin:0}.work-evidence small{font-size:11px;color:#517145;border-left:1px solid #cbd2c0;padding-left:20px}.workflow{margin:34px 0 26px}.workflow>.eyebrow{margin-bottom:15px}.workflow ol{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;counter-reset:flow;padding:0;margin:0;max-width:750px}.workflow li{counter-increment:flow;position:relative;padding:8px 12px 12px 0;font-size:16px;border-bottom:2px solid #9fb584}.workflow li::before{content:'0' counter(flow);font-size:10px;color:var(--muted);display:block;line-height:1.3;margin-bottom:5px}.workflow li+li{padding-left:20px}.workflow li:not(:last-child)::after{content:'→';position:absolute;right:6px;bottom:12px;font-size:16px;color:#789466}.workflow>p:last-child{font-size:11px;color:var(--muted);margin:13px 0 0}.experience-takeaway{border-left:3px solid #9caf80;padding-left:20px;font-size:14px;line-height:1.9;margin:28px 0 0;max-width:950px}.experience-takeaway>span{display:block;color:#647657;font-size:11px;letter-spacing:.1em;margin-bottom:6px}.meituan-content{display:grid;grid-template-columns:1.1fr 1fr;gap:7vw;align-items:start}.meituan-content .experience-lead{margin-bottom:0}.scope-number{display:flex;gap:25px;align-items:center;border-bottom:1px solid #cbd2c0;padding-bottom:15px;margin-bottom:20px}.scope-number strong{font-size:55px;font-family:Georgia,serif;font-weight:400;line-height:1.1;white-space:nowrap}.scope-number strong>span{font-size:20px;font-family:var(--sans);margin-left:8px}.scope-number p{font-size:12px;color:var(--muted);margin:0;max-width:160px}.analysis-evidence ol{padding-left:23px;margin:0}.analysis-evidence li{padding-left:8px;margin:0 0 18px;font-size:12px;color:#6b7f55}.analysis-evidence h4{font-size:14px;margin:0 0 4px}.analysis-evidence p{font-size:13px;color:var(--muted);margin:0}.skill-evidence{font-size:11px;color:#647657;margin:15px 0 0;padding-left:23px}.research-heading{border-top:1px solid #cbd2c0;padding-top:40px;margin-top:15px}.research-heading h3{font-size:27px}.research-heading .eyebrow{margin-bottom:10px}.result-attribution{font-size:11px;color:var(--muted);margin-bottom:0}.more-practice{padding-top:65px}.more-practice details{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.more-practice summary{cursor:pointer;list-style:none;padding:22px 0;font-size:15px;display:flex;align-items:center;gap:30px}.more-practice summary::-webkit-details-marker{display:none}.more-practice summary>span{font-size:11px;color:var(--muted)}.more-practice summary>b{font-size:20px;font-weight:400;margin-left:auto}.more-practice details[open] summary>b{transform:rotate(45deg)}.more-items{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:12px 0 30px}.more-items h3{font-family:var(--sans);font-size:18px}.more-items p{font-size:13px;color:var(--muted)}.more-items .eyebrow{font-size:9px;margin-bottom:10px}.more-items small{font-size:11px;color:var(--muted)}.skills dd>span{display:block;color:#4f6948;font-size:11px;margin-top:6px}.about h2{font-size:35px}summary:focus-visible{outline:3px solid #809e42;outline-offset:5px}
@media(max-width:1000px){.journey .section-heading h2{font-size:30px}.work-evidence>div{grid-template-columns:25px 155px 1fr;gap:18px}.work-evidence small{grid-column:3;border-left:0;padding:0;margin-top:-5px}.meituan-content{gap:40px}.more-items{gap:25px}.storyline>li{padding-right:16px}.storyline>li+li{padding-left:16px}.about h2{font-size:31px}}
@media(max-width:600px){.journey{padding-top:55px}.journey .section-heading h2{font-size:28px}.storyline{grid-template-columns:1fr 1fr}.storyline>li{padding:22px 15px 22px 0}.storyline>li+li{padding-left:17px}.storyline>li:nth-child(3){border-left:0;padding-left:0}.storyline>li:nth-child(n+3){border-top:1px solid var(--line)}.storyline h3{font-size:17px;margin:8px 0}.storyline p{font-size:11px}.storyline a{font-size:10px}.experience{margin-top:55px}.featured-experience{padding-top:26px;padding-bottom:30px}.employer-heading{gap:18px;margin-bottom:25px}.employer-heading h3{font-size:27px}.employer-heading .eyebrow{font-size:9px}.role{font-size:11px}.company-logo{width:100px}.agibot-logo{width:116px}.meituan-logo{width:90px}.experience-lead h4{font-size:24px}.experience-lead>p:not(.eyebrow){font-size:13px}.experience-lead{margin-bottom:25px}.work-evidence>div{grid-template-columns:20px 1fr;gap:7px 13px;padding:20px 0}.work-evidence h4{font-size:15px}.work-evidence p{grid-column:2;font-size:12px}.work-evidence small{grid-column:2;margin-top:5px;font-size:10px}.workflow{margin-top:25px}.workflow li{font-size:13px;padding-right:5px}.workflow li+li{padding-left:12px}.workflow li:not(:last-child)::after{right:1px;font-size:12px}.workflow>p:last-child{font-size:10px}.experience-takeaway{font-size:13px;padding-left:14px}.meituan-content{grid-template-columns:1fr;gap:25px}.scope-number strong{font-size:48px}.scope-number p{max-width:none}.skill-evidence{font-size:10px;padding-left:17px}.research-heading{padding-top:27px}.research-heading h3{font-size:24px}.more-practice{padding-top:45px}.more-practice summary{font-size:13px;gap:15px}.more-practice summary>span{font-size:10px;white-space:nowrap}.more-items{grid-template-columns:1fr;gap:20px}.more-items article+article{border-top:1px solid var(--line);padding-top:20px}.more-items h3{font-size:17px}.more-items p{font-size:12px}.about h2{font-size:28px}}