:root{--ink:#102630;--deep:#071b26;--blue:#0a83c9;--cyan:#46c6ed;--paper:#f5f3ed;--white:#fff;--muted:#637278;--line:#d8dedc;--accent:#b79259}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit}img{max-width:100%}.site-header{height:78px;padding:0 4vw;display:flex;align-items:center;position:absolute;top:0;left:0;right:0;z-index:20;color:#fff;border-bottom:1px solid rgba(255,255,255,.2)}.brand{display:flex;align-items:center;gap:.8rem;text-decoration:none}.brand b{width:36px;height:36px;border:1px solid rgba(255,255,255,.6);display:grid;place-items:center;font-family:Georgia,serif;font-weight:400}.brand-name{font-size:.72rem;font-weight:700;letter-spacing:.18em}.brand i{font-style:normal;font-weight:400;opacity:.7;margin-left:.35rem}.nav{display:flex;gap:2rem;margin-left:auto;align-items:center}.nav 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span{font-size:.78rem;color:var(--muted)}.feature-image{height:610px;position:relative;background:#071827;color:#fff;overflow:hidden}.feature-image>img{width:100%;height:100%;object-fit:cover;opacity:.74}.feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#051724e8 0%,#0517247a 50%,transparent 82%)}.feature-copy{position:absolute;z-index:2;left:8vw;top:50%;transform:translateY(-50%);max-width:650px}.feature-copy h2,.panorama h2,.contact h2{font-family:Georgia,serif;font-size:clamp(3rem,5vw,6rem);font-weight:400;line-height:1.02;letter-spacing:-.035em;margin:1rem 0}.feature-copy>p:last-child{max-width:530px;color:#c9d6da}.expertise,.education{max-width:1400px;margin:auto;padding:9rem 6vw}.section-head{display:grid;grid-template-columns:220px 1fr;gap:5vw;margin-bottom:5rem}.section-head h2{font-family:Georgia,serif;font-size:clamp(2.8rem,4.6vw,5rem);line-height:1.05;font-weight:400;letter-spacing:-.035em;margin:0}.section-head>div:last-child>p{color:var(--muted);max-width:650px}.expertise-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}.expertise-grid article{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:42% 58%;min-height:370px}.card-image{overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;transition:.5s}.expertise-grid article:hover img{transform:scale(1.04)}.card-body{padding:2.2rem}.card-body>span{color:var(--accent);font-size:.7rem}.card-body h3{font-family:Georgia,serif;font-size:1.8rem;font-weight:400;margin:.5rem 0}.card-body p{font-size:.88rem;color:var(--muted)}.card-body ul{list-style:none;padding:0;margin:1.5rem 0 0;border-top:1px solid var(--line)}.card-body li{font-size:.76rem;padding:.5rem 0;border-bottom:1px solid var(--line)}.approach{background:#0a2532;color:#fff;display:grid;grid-template-columns:43% 57%;min-height:720px}.approach-image img{width:100%;height:100%;object-fit:cover;opacity:.75}.approach-copy{padding:7rem 7vw}.approach-copy>h2{font-family:Georgia,serif;font-size:clamp(2.8rem,4.5vw,5rem);font-weight:400;line-height:1.05;margin:.7rem 0 3rem}.principles{display:grid;grid-template-columns:1fr 1fr}.principles>div{padding:1.5rem 1.5rem 1.5rem 0;border-top:1px solid #ffffff35}.principles>div:nth-child(even){padding-left:1.5rem;border-left:1px solid #ffffff35}.principles b{color:var(--cyan);font-size:.7rem}.principles h3{font-family:Georgia,serif;font-size:1.45rem;font-weight:400;margin:.4rem 0}.principles p{font-size:.82rem;color:#b9c9cf}.experience{background:#eef1f0;padding:9rem max(6vw,calc((100vw - 1400px)/2 + 6vw))}.timeline{border-top:1px solid #aeb9ba}.role{display:grid;grid-template-columns:160px .9fr 1.2fr;gap:3rem;padding:3rem 0;border-bottom:1px solid #bfc8c8}.date,.company{font-size:.7rem;letter-spacing:.14em;font-weight:700;color:var(--accent)}.role-title h3{font-family:Georgia,serif;font-size:1.75rem;font-weight:400;line-height:1.2;margin:.4rem 0}.role-title>span,.role-copy{font-size:.88rem;color:var(--muted)}.role-copy p:first-child{margin-top:0}.panorama{height:600px;position:relative;background:#051724;color:#fff;overflow:hidden}.panorama img{width:100%;height:100%;object-fit:cover;opacity:.72}.panorama:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#051724d9,#05172438)}.panorama-copy{position:absolute;z-index:2;left:8vw;top:50%;transform:translateY(-50%);max-width:720px}.panorama-copy>span{font-size:.7rem;letter-spacing:.2em;color:var(--cyan)}.edu-layout{display:grid;grid-template-columns:1fr 1fr;gap:4rem}.edu-cards article{padding:2rem 0;border-top:1px solid var(--line)}.edu-cards span{font-size:.7rem;color:var(--accent);letter-spacing:.14em}.edu-cards h3{font-family:Georgia,serif;font-size:2rem;font-weight:400;margin:.4rem 0}.edu-cards p{color:var(--muted)}.interests{background:var(--deep);color:#fff;padding:2.5rem;position:relative;overflow:hidden}.chips{display:flex;flex-wrap:wrap;gap:.6rem;position:relative;z-index:2}.chips span{border:1px solid #ffffff48;padding:.55rem .75rem;font-size:.72rem}.interests img{width:100%;height:210px;object-fit:cover;margin-top:2rem;opacity:.65}.contact{min-height:650px;background:#061824;color:#fff;position:relative;display:flex;align-items:center;overflow:hidden}.contact-bg{position:absolute;inset:0;background:linear-gradient(90deg,#061824 0%,#061824d9 45%,#06182444),url('images/tech-03.jpg') center/cover}.contact-content{position:relative;z-index:2;margin-left:8vw;width:min(760px,84vw)}.contact-content>p:not(.kicker){color:#c4d0d4;max-width:550px}.email{display:inline-block;margin-top:2rem;color:#b8c9ce;text-decoration:none}.contact .primary{background:#55c7eb;color:#06202b}footer{background:#04141d;color:#aab8bd;padding:2rem 5vw;display:flex;align-items:center;justify-content:space-between;font-size:.7rem;border-top:1px solid #ffffff20}footer .brand{color:#fff}.reveal{opacity:0;transform:translateY(22px);transition:.75s ease}.reveal.visible{opacity:1;transform:none}html[lang^="zh"] .hero h1,html[lang^="zh"] .large-copy,html[lang^="zh"] h2,html[lang^="zh"] h3{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;letter-spacing:-.025em}
@media(max-width:1000px){.nav{display:none;position:absolute;top:78px;left:0;right:0;background:#071b26;padding:2rem 5vw;flex-direction:column;align-items:flex-start}.nav.open{display:flex}.menu-toggle{display:block}.hero-content{width:70vw}.statement,.section-head{grid-template-columns:1fr}.section-tag{margin-bottom:1rem}.expertise-grid article{grid-template-columns:1fr}.card-image{height:220px}.approach{grid-template-columns:1fr}.approach-image{height:360px}.role{grid-template-columns:130px 1fr}.role-copy{grid-column:2}.edu-layout{grid-template-columns:1fr}}
@media(max-width:700px){.site-header{height:70px;padding:0 4vw}.brand-name{font-size:.6rem}.brand b{width:31px;height:31px}.hero{min-height:760px}.hero-photo{object-position:57% center}.hero-shade{background:linear-gradient(0deg,#031017f5 0%,#031017b5 55%,#03101726 100%)}.hero-content{left:6vw;right:6vw;top:auto;bottom:10rem;width:auto;transform:none}.hero h1{font-size:clamp(4rem,19vw,6rem)}.hero-meta{margin:0;grid-template-columns:1fr}.hero-meta span{display:none}.hero-meta span:first-child{display:block;padding-left:6vw}.statement,.expertise,.education{padding:6rem 6vw}.two-col,.metrics,.expertise-grid,.principles{grid-template-columns:1fr}.metrics{padding:0 6vw}.metrics article{padding:2rem 0;border-right:0;border-bottom:1px solid var(--line)}.feature-image{height:520px}.feature-copy{left:6vw;right:6vw}.expertise-grid article{display:block}.card-image{height:190px}.approach-copy{padding:5rem 6vw}.principles>div:nth-child(even){padding-left:0;border-left:0}.role{grid-template-columns:1fr;gap:.7rem}.role-copy{grid-column:auto}.panorama{height:480px}.panorama-copy{left:6vw;right:6vw}.contact-content{margin-left:6vw}.hero-actions,.contact-actions{flex-direction:column;align-items:flex-start}footer{flex-direction:column;align-items:flex-start;gap:1rem}.language-button{padding:.45rem}.header-actions{margin-left:auto}.nav{top:70px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}

/* V4.1 layout refinement: more breathing room and no clipped editorial headlines */
@media (min-width:1001px){
  .hero{min-height:780px;height:100vh;}
  .hero-content{top:46%;transform:translateY(-44%);width:min(650px,48vw);}
  .hero h1{font-size:clamp(4.6rem,7.2vw,7.8rem);line-height:.82;margin:1rem 0 1.15rem;}
  .hero-role{margin:.5rem 0;}
  .hero-copy{font-size:1rem;line-height:1.7;margin:.8rem 0;max-width:560px;}
  .hero-actions{margin-top:1.35rem;}
  .hero-meta{min-height:72px;align-items:stretch;background:rgba(5,20,29,.18);backdrop-filter:blur(5px);}
  .hero-meta span{display:flex;align-items:center;}

  .feature-image,.panorama{height:auto;min-height:620px;display:flex;align-items:center;}
  .feature-image>img,.panorama>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .feature-copy,.panorama-copy{position:relative;left:auto;top:auto;transform:none;margin-left:7vw;padding:7rem 0;max-width:680px;}
  .feature-copy h2,.panorama h2{font-size:clamp(3rem,4.3vw,5rem);line-height:1.04;margin:1rem 0 1.35rem;}
  .feature-copy>p:last-child{font-size:1rem;line-height:1.75;}
  .panorama-copy{max-width:760px;}
}

@media (max-width:1400px) and (min-width:1001px){
  .hero-content{left:5vw;width:min(610px,51vw);}
  .hero h1{font-size:clamp(4.3rem,7vw,6.7rem);}
  .feature-image,.panorama{min-height:560px;}
  .feature-copy h2,.panorama h2{font-size:clamp(2.8rem,4.1vw,4.4rem);}
}

@media (max-width:1000px){
  .feature-image,.panorama{height:auto;min-height:560px;display:flex;align-items:flex-end;}
  .feature-image>img,.panorama>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .feature-copy,.panorama-copy{position:relative;left:auto;right:auto;top:auto;transform:none;padding:5rem 6vw;margin:0;max-width:760px;}
  .feature-copy h2,.panorama h2{font-size:clamp(2.7rem,7vw,4.6rem);line-height:1.04;}
}

@media (max-width:700px){
  .hero{min-height:820px;}
  .hero-content{bottom:8.5rem;}
  .hero h1{font-size:clamp(3.8rem,17vw,5.4rem);line-height:.86;margin:.8rem 0 1rem;}
  .hero-copy{font-size:.94rem;line-height:1.6;}
  .feature-image,.panorama{min-height:520px;}
  .feature-copy,.panorama-copy{padding:4rem 6vw;}
  .feature-copy h2,.panorama h2{font-size:clamp(2.5rem,12vw,3.8rem);line-height:1.02;}
}