body{margin:0;padding:0}.header{position:fixed;top:0;left:0;right:0;z-index:100;background-color:#ffffff4d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:background-color .3s ease,border-color .3s ease}[data-theme=dark] .header{background-color:#0a0a0a4d}.header-content{max-width:900px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:center;align-items:center;position:relative}.logo{background:none;border:none;cursor:pointer;padding:0;display:flex;align-items:center;gap:.75rem;text-decoration:none}.logo-image{height:40px;width:auto;transition:filter .3s ease,transform .3s ease,brightness .3s ease}.logo:hover .logo-image{transform:scale(1.15);filter:brightness(1.2)}[data-theme=dark] .logo-image{filter:invert(1)}[data-theme=dark] .logo:hover .logo-image{filter:invert(1) brightness(1.2)}.theme-toggle{font-size:1.4rem;padding:.25rem;transition:opacity .2s ease,transform .2s ease;background:none;border:none;cursor:pointer;color:var(--text-secondary);position:absolute;right:2rem}.theme-toggle:hover{opacity:.6;transform:scale(1.2);color:var(--text)}@media(max-width:768px){.header-content{padding:1rem 1.5rem}.logo-image{height:32px}.theme-toggle{font-size:1.1rem;right:1.5rem}}@media(max-width:480px){.header-content{padding:.75rem 1rem}.logo-image{height:28px}.theme-toggle{font-size:1rem;right:1rem}}.hero{padding-top:0;display:flex;align-items:center;justify-content:center;min-height:100vh}.hero-content{max-width:1200px;display:flex;align-items:center;gap:2rem}.hero-image-container{flex-shrink:0;position:relative}.hero-image-link{display:block;position:relative;text-decoration:none}.hero-image{width:250px;height:250px;border-radius:50%;object-fit:cover;box-shadow:0 8px 24px #00000026;transition:transform .3s ease;transform-style:preserve-3d}.hero-image:hover:not(.flipping){transform:scale(1.05)}.hero-image.flipping{animation:flip .3s ease-in-out}@keyframes flip{0%{transform:rotateY(0) scale(1)}50%{transform:rotateY(90deg) scale(.9)}to{transform:rotateY(0) scale(1)}}.hero-text{flex:1}.hero h1{margin-bottom:.5rem;font-size:3rem;font-weight:600}.hero-description{font-size:1.125rem;margin-bottom:1rem}.hero-about{font-size:.95rem;margin-bottom:.75rem;color:var(--text-secondary);line-height:1.5}@media(max-width:768px){.hero{padding-top:0;min-height:0;flex:1;align-items:center;justify-content:center;padding-bottom:4rem}.hero-content{flex-direction:column;gap:1.5rem;text-align:center;align-items:center;padding:0 1rem;margin-top:-2rem}.hero h1{font-size:2rem}.hero-image{width:180px;height:180px}.hero-description{max-width:100%;font-size:1rem}.hero-about{font-size:.9rem}}@media(max-width:480px){.hero{min-height:0;flex:1;align-items:center;justify-content:center;padding-bottom:6rem}.hero-content{margin-top:-8rem}.hero-image{width:150px;height:150px}.hero h1{font-size:1.75rem}.hero-content{gap:1rem}}.speech-bubble{position:absolute;bottom:15px;right:-10px;background:linear-gradient(135deg,#fffffffa,#fffffff2);border:1px solid rgba(0,0,0,.12);border-radius:18px;padding:.65rem 1.1rem;box-shadow:0 6px 20px #00000026,0 2px 6px #0000001a;white-space:nowrap;font-size:.85rem;color:var(--text);pointer-events:none;transition:padding .4s cubic-bezier(.4,0,.2,1),transform .4s cubic-bezier(.4,0,.2,1),box-shadow .4s cubic-bezier(.4,0,.2,1);z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-weight:500;letter-spacing:.01em}.speech-bubble:before{content:"";position:absolute;top:-10px;right:20px;width:0;height:0;border-left:11px solid transparent;border-right:11px solid transparent;border-bottom:11px solid rgba(0,0,0,.12)}.speech-bubble:after{content:"";position:absolute;top:-9px;right:21px;width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid 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1.1rem}.speech-bubble:before{top:-10px;right:15px;border-left-width:10px;border-right-width:10px;border-bottom-width:10px}.speech-bubble:after{top:-9px;right:16px;border-left-width:9px;border-right-width:9px;border-bottom-width:9px}}.education-content{max-width:100%}.education-item{margin-bottom:1.5rem}.education-header-with-logo{display:flex;gap:1.5rem;align-items:flex-start}.education-logo{width:80px;height:80px;object-fit:contain;flex-shrink:0;opacity:.9;transition:transform .3s ease,opacity .3s ease;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.education-logo:hover{transform:scale(1.05);opacity:1}[data-theme=dark] .education-logo{filter:drop-shadow(0 2px 4px 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.subtitle{margin-bottom:0}.company-logo{width:32px;height:32px;object-fit:contain;flex-shrink:0;opacity:.85;transition:transform .3s ease,opacity .3s ease;filter:drop-shadow(0 1px 2px rgba(0,0,0,.1))}.company-logo:hover{transform:scale(1.1);opacity:1}[data-theme=dark] .company-logo{filter:drop-shadow(0 1px 2px rgba(0,0,0,.3));opacity:.9}.details-list{list-style:none;padding-left:0;margin:0}.details-list li{font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem;padding-left:1.25rem;position:relative;line-height:1.6;transition:transform .3s ease}.details-list li:before{content:"–";position:absolute;left:0}@media(max-width:480px){.company-logo{width:28px;height:28px}}.projects-list{display:flex;flex-direction:column;gap:1.5rem;margin-top:2rem}.project-card{padding:1.5rem;background-color:var(--bg);border:1px solid var(--border);border-radius:8px;display:flex;gap:1.5rem;align-items:center;transition:all .3s 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p{margin-bottom:1rem}.tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{font-size:.85rem;color:var(--text-secondary)}@media(max-width:768px){.project-card{padding:1rem;flex-direction:column}.projects-list{gap:1rem}.project-image{max-width:100%}}.contact-footer{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);z-index:50;display:flex;flex-direction:column;align-items:center;gap:.5rem}.contact-label{font-size:.85rem;color:var(--text-secondary);opacity:0;transition:opacity .3s ease;white-space:nowrap;font-weight:500}.contact-footer:hover .contact-label,.contact-footer.expanded .contact-label{opacity:1}.icon-container{display:flex;gap:1.5rem;align-items:center;justify-content:center;background-color:var(--bg);border:1px solid var(--border);border-radius:50px;padding:1rem 1.5rem;box-shadow:0 4px 12px #0000001a;transition:transform .3s ease,padding .3s ease,gap .3s ease}.icon-container:hover,.contact-footer.expanded .icon-container{transform:scale(1.15);padding:1.25rem 2rem;gap:2rem}[data-theme=dark] .icon-container{box-shadow:0 4px 12px #0000004d}.icon-link{font-size:1.25rem;color:var(--text-secondary);transition:transform .3s ease,color .3s ease;display:inline-flex;align-items:center;justify-content:center}.icon-link:hover{transform:scale(1.2) translateY(-4px);color:var(--text)}@media(max-width:768px){.contact-footer{bottom:1rem}.icon-container{gap:1.25rem;padding:.9rem 1.5rem}.icon-link{font-size:1.15rem}}@media(max-width:480px){.contact-footer{bottom:.75rem}.icon-container{gap:1.1rem;padding:.85rem 1.35rem}.icon-link{font-size:1.1rem}}.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--bg);display:flex;align-items:center;justify-content:center;z-index:10000;transition:opacity .6s ease,visibility .6s ease}.loading-screen.fade-out{opacity:0;visibility:hidden}.loading-content{display:flex;flex-direction:column;align-items:center;gap:2rem}.loading-logo{height:60px;width:auto;animation:fadeInUp .8s 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30%,rgba(180,220,255,1) 40%,rgba(100,200,255,1) 50%,rgba(100,200,255,.3) 70%,rgba(100,200,255,.1) 85%,transparent 100%);pointer-events:none;transform:translate(-50%,-50%);z-index:10002;transition:width .15s ease,height .15s ease,background .15s ease;will-change:transform}.china-photos-page .spotlight.hovering{width:40px;height:40px;background:radial-gradient(circle,rgba(255,255,255,1) 0%,rgba(255,255,255,1) 30%,rgba(100,220,200,1) 40%,rgba(50,200,180,1) 50%,rgba(50,200,180,.3) 70%,rgba(50,200,180,.1) 85%,transparent 100%)}[data-theme=dark] .china-photos-page .spotlight{background:radial-gradient(circle,rgba(255,255,255,1) 0%,rgba(255,255,255,1) 30%,rgba(220,190,255,1) 40%,rgba(200,150,255,1) 50%,rgba(200,150,255,.3) 70%,rgba(200,150,255,.1) 85%,transparent 100%)}[data-theme=dark] .china-photos-page .spotlight.hovering{background:radial-gradient(circle,rgba(255,255,255,1) 0%,rgba(255,255,255,1) 30%,rgba(230,100,180,1) 40%,rgba(210,80,160,1) 50%,rgba(210,80,160,.3) 70%,rgba(210,80,160,.1) 85%,transparent 100%)}.china-photos-page .spotlight-trail{position:fixed;width:80px;height:80px;border-radius:50%;background:radial-gradient(circle,rgba(80,190,255,.28) 0%,rgba(80,190,255,.14) 25%,rgba(80,190,255,.04) 45%,transparent 65%);pointer-events:none;transform:translate(-50%,-50%);z-index:10001;transition:background .15s ease,opacity .3s ease;will-change:transform,opacity}.china-photos-page .spotlight-trail.hovering{background:radial-gradient(circle,rgba(50,200,180,.28) 0%,rgba(50,200,180,.14) 25%,rgba(50,200,180,.04) 45%,transparent 65%)}[data-theme=dark] .china-photos-page .spotlight-trail{background:radial-gradient(circle,rgba(190,130,255,.2) 0%,rgba(190,130,255,.1) 25%,rgba(190,130,255,.03) 45%,transparent 65%)}[data-theme=dark] .china-photos-page .spotlight-trail.hovering{background:radial-gradient(circle,rgba(230,100,180,.2) 0%,rgba(230,100,180,.1) 25%,rgba(230,100,180,.03) 45%,transparent 65%)}.back-button{background:none;border:1px solid var(--border);padding:.75rem 1.5rem;border-radius:50px;font-size:.9rem;color:var(--text);cursor:pointer;transition:all .3s ease;margin-bottom:2rem;font-family:inherit}.back-button:hover{background-color:var(--border);transform:translate(-4px)}.gallery-title{font-size:2.5rem;font-weight:400;margin-bottom:3rem;text-align:center}.gallery-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;padding-bottom:2rem}.gallery-item{aspect-ratio:1;overflow:hidden;border-radius:8px;cursor:pointer;background-color:var(--border);transition:transform .3s ease;position:relative}.gallery-item:hover{transform:scale(1.02)}.gallery-image{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .3s ease}.image-modal{position:fixed;inset:0;background-color:#000000e6;display:flex;align-items:center;justify-content:center;z-index:10000;cursor:pointer;animation:fadeIn .3s ease;overflow:hidden}@keyframes 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scale(1.2)}.modal-nav-prev{left:2rem;top:50%;transform:translateY(-50%)}.modal-nav-next{right:2rem;top:50%;transform:translateY(-50%)}@media(max-width:768px){.china-photos-page{padding:5rem 1rem 3rem}.gallery-title{font-size:2rem;margin-bottom:2rem}.gallery-container{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.modal-close{top:1rem;right:1rem;width:40px;height:40px;font-size:1.5rem}.modal-nav{width:50px;height:50px;font-size:2rem}.modal-nav-prev{left:1rem}.modal-nav-next{right:1rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #ffffff;--text: #0a0a0a;--text-secondary: #666666;--accent: #0a0a0a;--border: #e0e0e0}[data-theme=dark]{--bg: #0a0a0a;--text: #ffffff;--text-secondary: #999999;--accent: #ffffff;--border: #333333}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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.spotlight{background:radial-gradient(circle,rgba(255,255,255,1) 0%,rgba(255,255,255,1) 30%,rgba(220,190,255,1) 40%,rgba(200,150,255,1) 50%,rgba(200,150,255,.3) 70%,rgba(200,150,255,.1) 85%,transparent 100%)}[data-theme=dark] .spotlight.hovering{background:radial-gradient(circle,rgba(255,255,255,1) 0%,rgba(255,255,255,1) 30%,rgba(230,100,180,1) 40%,rgba(210,80,160,1) 50%,rgba(210,80,160,.3) 70%,rgba(210,80,160,.1) 85%,transparent 100%)}.spotlight-trail{position:fixed;width:80px;height:80px;border-radius:50%;background:radial-gradient(circle,rgba(80,190,255,.28) 0%,rgba(80,190,255,.14) 25%,rgba(80,190,255,.04) 45%,transparent 65%);pointer-events:none;transform:translate(-50%,-50%);z-index:9999;transition:background .15s ease,opacity .3s ease}.spotlight-trail.hovering{background:radial-gradient(circle,rgba(50,200,180,.28) 0%,rgba(50,200,180,.14) 25%,rgba(50,200,180,.04) 45%,transparent 65%)}[data-theme=dark] .spotlight-trail{background:radial-gradient(circle,rgba(190,130,255,.2) 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ease}a:hover{opacity:.6}.hero-content,.about-wrapper,.education-wrapper,.experience-wrapper,.projects-wrapper,.contact-wrapper{opacity:0}.hero-content.fade-in,.about-wrapper.fade-in,.education-wrapper.fade-in,.experience-wrapper.fade-in,.projects-wrapper.fade-in,.contact-wrapper.fade-in{animation:slideInFromLeft 1.2s cubic-bezier(.16,1,.3,1) forwards}@keyframes slideInFromLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}@media(max-width:768px){main{padding:0 1.5rem 6rem}section{padding:1.5rem 0}section:first-of-type{padding-top:3.5rem;padding-bottom:2rem;height:100vh;justify-content:center}}@media(max-width:480px){main{padding:0 1rem 10rem}section{padding:1.25rem 0}section:first-of-type{padding-top:2.5rem;padding-bottom:1.5rem;height:100vh;justify-content:center}}