:root{--bg:#f4f2ed;--surface:#fff;--surface2:#eceae4;--text:#141414;--muted:#77736b;--line:#d8d4cb;--accent:#315ff4;--max:1180px;--shadow:0 18px 45px rgba(0,0,0,.07)}
[data-theme=dark]{--bg:#111214;--surface:#1a1b1e;--surface2:#232529;--text:#f4f1ea;--muted:#aaa59d;--line:#34363b;--accent:#91a7ff;--shadow:0 18px 45px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55}a{color:inherit;text-decoration:none}img,video{display:block;max-width:100%}.shell{width:min(calc(100% - 40px),var(--max));margin:auto}.site-top{position:sticky;top:0;z-index:90;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.site-nav{height:72px;display:flex;align-items:center;gap:26px}.site-brand{font-weight:950;letter-spacing:-.055em;font-size:1.03rem;margin-right:auto}.site-links{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:.86rem}.site-links a:hover{color:var(--text)}.site-controls{display:flex;gap:8px;align-items:center}.lang-switch{display:flex;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px}.lang-switch button,.theme-btn{border:0;background:transparent;color:var(--muted);font-weight:760;cursor:pointer;min-height:36px;border-radius:999px;padding:0 12px}.lang-switch button.active{background:var(--text);color:var(--bg)}.theme-btn{border:1px solid var(--line);background:var(--surface);color:var(--text);min-width:42px}.zh{display:none!important}[data-lang=zh] .en{display:none!important}[data-lang=zh] .zh{display:block!important}[data-lang=zh] span.zh,[data-lang=zh] a.zh,[data-lang=zh] strong.zh{display:inline!important}
.hero{padding:64px 0 60px;border-bottom:1px solid var(--line)}.hero .shell{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.7fr);gap:62px;align-items:end}.eyebrow-main{grid-column:1/-1;color:var(--accent);font-weight:850;font-size:.76rem;text-transform:uppercase;letter-spacing:.11em;margin-bottom:-30px}.hero h1{font-size:clamp(3.5rem,6.4vw,6.6rem);line-height:.91;letter-spacing:-.072em;margin:0;max-width:850px}.hero-copy{align-self:end}.lead-main{font-size:1.02rem;color:var(--muted);max-width:680px;margin:0}.hero-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:26px}.hero-chips span{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 10px;font-size:.72rem;color:var(--muted)}.buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 15px;border:1px solid var(--line);border-radius:999px;font-size:.8rem;font-weight:790}.button.primary{background:var(--text);color:var(--bg);border-color:var(--text)}section.home-section{padding:76px 0}.section-head{display:grid;grid-template-columns:minmax(190px,.32fr) minmax(0,1fr);gap:34px;margin-bottom:28px}.kicker-main{color:var(--accent);font-weight:850;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.section-head h2{font-size:clamp(2.25rem,4.1vw,4.5rem);line-height:.98;letter-spacing:-.055em;margin:0}.muted-main{color:var(--muted)}.impact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.impact{min-height:190px;padding:20px;border:1px solid var(--line);border-radius:19px;background:var(--surface);display:flex;flex-direction:column}.impact h3{margin:auto 0 7px;font-size:1.08rem;letter-spacing:-.025em}.impact p{font-size:.82rem;margin:0;color:var(--muted)}.work-intro{display:grid;grid-template-columns:1fr 330px;gap:44px;align-items:end;margin-bottom:25px}.work-intro h2{font-size:clamp(2.5rem,4.6vw,4.8rem);line-height:.96;letter-spacing:-.06em;margin:4px 0 0}.work-intro p{margin:0;color:var(--muted);font-size:.86rem}.primary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.project-card{min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:22px;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}.project-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b8b4aa}.project-cover{aspect-ratio:16/10;background:var(--surface2);overflow:hidden}.project-cover img{width:100%;height:100%;object-fit:cover;object-position:center}.project-copy{padding:16px 17px 18px}.project-index{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.project-copy h3{font-size:1.42rem;letter-spacing:-.038em;line-height:1.05;margin:0}.project-copy p{font-size:.78rem;color:var(--muted);line-height:1.55;margin:8px 0 0}.project-arrow{display:block;margin-top:14px;font-size:.68rem;font-weight:850}.foundation{margin-top:74px;padding-top:32px;border-top:1px solid var(--line)}.foundation-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:18px}.foundation-head h3{font-size:2rem;letter-spacing:-.045em;margin:5px 0 0}.foundation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.foundation-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;overflow:hidden}.foundation-media{aspect-ratio:16/9;background:var(--surface2);overflow:hidden}.foundation-media img{width:100%;height:100%;object-fit:cover}.foundation-copy{padding:15px}.foundation-copy h4{font-size:1.05rem;margin:0;letter-spacing:-.02em}.foundation-copy p{font-size:.75rem;color:var(--muted);margin:6px 0 0}.process-main{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.process-step-main{padding:17px;border:1px solid var(--line);border-radius:17px;background:var(--surface)}.process-step-main b{display:block;color:var(--accent);font-size:.68rem;margin-bottom:24px}.process-step-main span{font-weight:780;font-size:.82rem}.contact-main{background:var(--text);color:var(--bg);border-radius:28px;padding:38px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end}.contact-main h2{font-size:clamp(2rem,4vw,4rem);line-height:1;letter-spacing:-.05em;margin:8px 0 12px}.contact-main p{max-width:680px;margin:0;opacity:.72}.contact-main .button{border-color:color-mix(in srgb,var(--bg) 28%,transparent)}.contact-main .button.primary{background:var(--bg);color:var(--text)}footer.main-footer{padding:28px 0 42px;color:var(--muted);display:flex;justify-content:space-between;font-size:.78rem}.resume-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:14px}.resume-card,.resume-item{padding:20px;border:1px solid var(--line);border-radius:19px;background:var(--surface)}.resume-list{display:grid;gap:11px}.resume-card h3{margin-top:0}.resume-item .meta-line{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.78rem}.tool-grid{display:flex;flex-wrap:wrap;gap:7px}.tool-grid span{border:1px solid var(--line);border-radius:999px;padding:6px 9px;color:var(--muted);font-size:.73rem}
@media(max-width:900px){.shell{width:min(calc(100% - 28px),var(--max))}.site-links{max-width:55vw;overflow:auto;white-space:nowrap;gap:14px}.hero .shell{grid-template-columns:1fr;gap:24px}.eyebrow-main{margin-bottom:0}.impact-grid{grid-template-columns:repeat(2,1fr)}.work-intro,.section-head,.contact-main{grid-template-columns:1fr}.primary-grid{grid-template-columns:1fr 1fr}.foundation-grid{grid-template-columns:1fr 1fr}.process-main{grid-template-columns:repeat(3,1fr)}}
@media(max-width:660px){.site-nav{height:64px;gap:10px}.site-links a:nth-child(2),.site-links a:nth-child(3),.site-links a:nth-child(4){display:none}.site-controls{gap:5px}.lang-switch button{padding:0 8px}.theme-btn{padding:0;min-width:37px}.hero{padding:46px 0}.hero h1{font-size:clamp(3rem,14vw,4.4rem)}section.home-section{padding:58px 0}.impact-grid,.primary-grid,.foundation-grid,.process-main{grid-template-columns:1fr}.work-intro{gap:14px}.project-cover{aspect-ratio:4/3}.foundation-head{align-items:start;flex-direction:column}.contact-main{padding:26px}footer.main-footer{flex-direction:column;gap:5px}.resume-grid{grid-template-columns:1fr}}


/* V11.9 Mobile nav polish — keep Work + Resume visible, hide only Design Foundation */
@media (max-width: 660px){
  .site-links{
    display:flex !important;
    align-items:center !important;
    gap:14px !important;
    max-width:none !important;
    overflow:visible !important;
  }
  .site-links a{
    display:inline-flex !important;
    white-space:nowrap !important;
  }
  .site-links a:nth-child(2){
    display:none !important;
  }
  .site-links a:nth-child(1),
  .site-links a:nth-child(3){
    display:inline-flex !important;
  }
}