:root{--bg-primary: #0a0a0f;--bg-secondary: #111118;--bg-card: rgba(17, 17, 24, .7);--accent-cyan: #00f2fe;--accent-purple: #8b5cf6;--accent-pink: #ec4899;--accent-green: #10b981;--text-primary: #f0f9ff;--text-secondary: #cbd5e1;--text-muted: #64748b;--border: rgba(0, 242, 254, .2);--glow-cyan: 0 0 20px rgba(0, 242, 254, .5);--glow-purple: 0 0 20px rgba(139, 92, 246, .5);--font-mono: "JetBrains Mono", monospace;--font-sans: "Inter", -apple-system, sans-serif;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem;--transition-fast: all .2s ease;--transition-medium: all .3s ease}.fade-in-section{opacity:0;transform:translateY(80px) scale(.92);transition:opacity 1.4s cubic-bezier(.16,1,.3,1),transform 1.4s cubic-bezier(.16,1,.3,1);will-change:opacity,transform;visibility:hidden}.fade-in-section.is-visible{opacity:1;transform:translateY(0) scale(1);visibility:visible}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;max-width:100vw}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}body{animation:fadeIn .8s ease-out}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;isolation:isolate}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(0,242,254,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,242,254,.03) 1px,transparent 1px);background-size:40px 40px;z-index:-1;animation:gridSlide 20s linear infinite}@keyframes gridSlide{0%{transform:translate(0)}to{transform:translate(40px,40px)}}.particles{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;overflow:hidden}.particle{position:absolute;width:2px;height:2px;background:var(--accent-cyan);border-radius:50%;animation:float 20s linear infinite}.particle:nth-child(1){top:10%;left:10%;animation-delay:0s}.particle:nth-child(2){top:20%;left:80%;animation-delay:3s}.particle:nth-child(3){top:70%;left:20%;animation-delay:5s}.particle:nth-child(4){top:40%;left:60%;animation-delay:7s}.particle:nth-child(5){top:80%;left:70%;animation-delay:10s}@keyframes float{0%{transform:translate(0) scale(1);opacity:1}to{transform:translate(100px,-100vh) scale(.5);opacity:0}}.hero-content{text-align:center;max-width:800px;padding:var(--space-xl)}.avatar-wrapper{position:relative;display:inline-block;margin-bottom:var(--space-lg)}.avatar{width:180px;height:180px;border-radius:50%;border:3px solid var(--accent-cyan);object-fit:cover;filter:saturate(1.2);transition:var(--transition-medium);user-select:none;-webkit-user-select:none}.avatar-wrapper:before{content:"";position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border-radius:50%;border:2px solid transparent;border-top-color:var(--accent-cyan);border-bottom-color:var(--accent-purple);animation:spin 10s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.avatar:hover{transform:scale(1.05);box-shadow:var(--glow-cyan)}.avatar-wrapper:after{content:"Hello! 你好";position:absolute;top:50%;right:100%;transform:translateY(-50%) scale(0);background:var(--bg-secondary);color:var(--accent-cyan);padding:.5rem 1rem;border-radius:12px;border:1px solid var(--accent-cyan);font-family:var(--font-mono);font-size:.9rem;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:all .4s cubic-bezier(.34,1.56,.64,1);z-index:10;box-shadow:0 5px 20px #00f2fe4d;margin-right:1.5rem}.avatar-wrapper:hover:after{transform:translateY(-50%) scale(1);opacity:1}.name{font-family:var(--font-mono);font-size:3rem;font-weight:700;margin-bottom:var(--space-sm);background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.name:after{content:"|";color:var(--accent-cyan);animation:blink 1s infinite}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.tagline{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--space-xl);font-weight:500}.status-bar{display:inline-flex;align-items:center;gap:var(--space-sm);background:#10b98126;border:1px solid rgba(16,185,129,.3);padding:var(--space-sm) var(--space-md);border-radius:24px;color:var(--accent-green);font-weight:600;font-size:.9rem;margin-bottom:var(--space-xl)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-green);animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #10b981b3}70%{box-shadow:0 0 0 10px #10b98100}to{box-shadow:0 0 #10b98100}}.social-links{display:flex;gap:var(--space-md);justify-content:center}.social-link{position:relative;width:60px;height:60px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);border:2px solid var(--border);border-radius:50%;transition:var(--transition-medium);text-decoration:none;font-size:1.5rem;overflow:visible}.social-link:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid transparent;border-top-color:var(--accent-cyan);border-bottom-color:var(--accent-purple);animation:spin 3s linear infinite;opacity:0;transition:opacity 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currentColor}.theme-btn.active{border-color:var(--text-primary);box-shadow:0 0 10px #ffffff80}.theme-btn.active:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:12px;font-weight:700}.nav-bar{position:fixed;top:var(--space-md);right:var(--space-md);background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:12px;padding:var(--space-sm);z-index:100;display:flex;gap:var(--space-xs);animation:slideInRight .6s ease-out .5s both}@keyframes slideInRight{0%{transform:translate(100px);opacity:0}to{transform:translate(0);opacity:1}}.nav-link{padding:var(--space-xs) var(--space-sm);color:var(--text-secondary);text-decoration:none;border-radius:8px;font-size:.85rem;font-weight:500;transition:var(--transition-fast)}.nav-link:hover,.nav-link:focus{color:var(--accent-cyan);background:#00f2fe1a}.nav-link.active{color:var(--accent-cyan);background:#00f2fe26}.section{padding:var(--space-2xl) 0;opacity:0;animation:fadeIn .8s ease-out forwards}.section:nth-of-type(2){animation-delay:.1s}.section:nth-of-type(3){animation-delay:.2s}.section:nth-of-type(4){animation-delay:.3s}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.section-title{font-family:var(--font-mono);font-size:2rem;font-weight:700;margin-bottom:var(--space-xl);color:var(--accent-cyan);text-transform:uppercase;letter-spacing:2px;position:relative}.model-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-lg)}.model-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:var(--space-lg);position:relative;overflow:hidden;transition:var(--transition-medium)}.model-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#00f2fe0d,#8b5cf60d);opacity:0;transition:opacity var(--transition-medium)}.model-card:hover:before{opacity:1}.model-card:hover{transform:translateY(-8px);border-color:var(--accent-cyan);box-shadow:0 12px 40px #00f2fe26}.model-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:var(--space-md)}.model-name{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--text-primary)}.model-status{font-size:.75rem;padding:.25rem .75rem;border-radius:12px;font-weight:600;text-transform:uppercase}.status-deployed{background:#10b98126;color:var(--accent-green);border:1px solid rgba(16,185,129,.3)}.status-training{background:#ec489926;color:var(--accent-pink);border:1px solid rgba(236,72,153,.3)}.status-beta{background:#fbbf2426;color:#fbbf24;border:1px solid rgba(251,191,36,.3)}.model-description{color:var(--text-secondary);margin-bottom:var(--space-md);line-height:1.7}.model-metrics{display:flex;gap:var(--space-md);margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border)}.metric{text-align:center;flex:1}.metric-value{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--accent-cyan)}.metric-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.capability-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-md)}.capability-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:var(--space-md);transition:var(--transition-medium);text-align:center}.capability-card:hover{border-color:var(--accent-purple);box-shadow:0 8px 32px #8b5cf633;transform:translateY(-4px)}.capability-icon{font-size:2.5rem;margin-bottom:var(--space-sm);color:var(--accent-purple)}.capability-title{font-weight:600;margin-bottom:var(--space-xs)}.capability-desc{font-size:.9rem;color:var(--text-secondary)}.terminal{background:#0a0a0f;border:1px solid var(--border);border-radius:12px;padding:var(--space-md);font-family:var(--font-mono);color:var(--accent-cyan);overflow-x:auto;position:relative}.terminal-content{padding-top:24px}.terminal-line{margin-bottom:var(--space-xs)}.terminal-prompt{color:var(--accent-green)}.interests-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-md)}.interest-card{background:var(--bg-card);padding:var(--space-md);border-radius:8px;border-left:4px solid var(--accent-cyan);transition:all .3s}.interest-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px #00f2fe33}.interest-card h4{font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.interest-card p{font-size:.95rem;color:var(--text-secondary)}.keywords{margin-top:var(--space-sm)}.keyword{display:inline-block;font-size:.75rem;background:#00f2fe26;color:var(--accent-cyan);padding:.2rem .6rem;border-radius:12px;margin-right:.5rem;margin-bottom:.3rem;transition:all .2s}.keyword:hover{transform:scale(1.05)}.publication-list{list-style:none}.publication-item{border-bottom:1px solid var(--border);padding:var(--space-md) 0;transition:all .3s}.publication-item:hover{background:var(--bg-card);padding:var(--space-md);border-radius:8px;margin:0 -1rem}.publication-title{font-family:var(--font-mono);font-size:1.2rem;font-weight:600;margin-bottom:var(--space-xs)}.publication-meta{font-size:.9rem;color:var(--text-muted);margin-bottom:var(--space-xs)}.publication-abstract{font-size:.95rem;color:var(--text-secondary);line-height:1.6}.publication-links{margin-top:var(--space-sm)}.publication-links a{font-size:.85rem;color:var(--accent-cyan);text-decoration:underline;margin-right:1rem;transition:all .2s}.publication-links a:hover{color:var(--text-primary)}.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-md)}.project-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:var(--space-md);transition:all .3s;position:relative;overflow:hidden}.project-card:hover{border-color:var(--accent-cyan);transform:translateY(-4px);box-shadow:0 8px 32px #00f2fe33}.project-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:var(--space-sm)}.project-status{font-size:.75rem;padding:.2rem .6rem;border-radius:12px;font-weight:600;text-transform:uppercase}.status-active{background:#10b98126;color:var(--accent-green);border:1px solid rgba(16,185,129,.3)}.project-title{font-family:var(--font-mono);font-size:1.3rem;font-weight:600;margin-bottom:var(--space-xs)}.project-desc{color:var(--text-secondary);font-size:.95rem;margin-bottom:var(--space-sm)}.project-tech{font-size:.85rem;color:var(--text-muted);display:flex;flex-wrap:wrap;gap:1rem}.project-links{margin-top:var(--space-md);display:flex;gap:var(--space-sm)}.project-links a{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;background:#00f2fe1a;border:1px solid var(--accent-cyan);border-radius:6px;color:var(--accent-cyan);font-size:.85rem;font-weight:600;font-family:var(--font-mono);text-decoration:none;transition:all .3s;position:relative;overflow:hidden}.project-links a:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(0,242,254,.3),transparent);transition:left .5s}.project-links a:hover:before{left:100%}.project-links a:hover{background:#00f2fe33;border-color:var(--accent-cyan);box-shadow:0 0 15px #00f2fe4d;transform:translateY(-2px)}.project-links a:after{content:"→";transition:transform .3s}.project-links a:hover:after{transform:translate(4px)}.timeline-item{margin-bottom:var(--space-md);padding:var(--space-md);padding-left:var(--space-lg);border-left:2px solid var(--border);position:relative;border-radius:8px;transition:all .3s;background:transparent}.timeline-item:before{content:"";position:absolute;left:-6px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--accent-cyan);transition:all .3s;z-index:1}.timeline-item:hover,.timeline-item.in-view{background:#00f2fe0d;border-left-color:var(--accent-cyan);transform:translate(8px);box-shadow:-4px 0 20px #00f2fe26}.timeline-item:hover:before,.timeline-item.in-view:before{transform:scale(1.5);box-shadow:0 0 15px var(--accent-cyan)}.timeline-date{font-size:.85rem;color:var(--text-muted);font-weight:500}.timeline-title{font-weight:600;margin:.25rem 0}.timeline-org{font-size:.9rem;color:var(--text-secondary)}.timeline-badge{font-size:.7rem;padding:.25rem .6rem;border-radius:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-published{background:#10b98126;color:var(--accent-green);border:1px solid rgba(16,185,129,.3)}.badge-demo{background:#00f2fe26;color:var(--accent-cyan);border:1px solid rgba(0,242,254,.3)}.badge-production{background:#a855f726;color:var(--accent-purple);border:1px solid rgba(168,85,247,.3)}.badge-completed{background:#3b82f626;color:#3b82f6;border:1px solid rgba(59,130,246,.3)}.timeline-tech{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem;font-size:.8rem}.timeline-tech span{padding:.25rem .6rem;background:#ffffff0d;border:1px solid var(--border);border-radius:4px;color:var(--text-muted);font-family:var(--font-mono)}.contact-btn{display:inline-flex;align-items:center;gap:var(--space-sm);background:transparent;border:2px solid var(--accent-cyan);color:var(--accent-cyan);padding:var(--space-md) var(--space-lg);border-radius:8px;font-weight:600;font-family:var(--font-mono);transition:var(--transition-medium);text-decoration:none;position:relative;overflow:visible}.contact-btn:hover{background:#00f2fe1a;transform:translateY(-2px);box-shadow:var(--glow-cyan)}.contact-btn i{transition:all .3s ease}@keyframes planeFlyAway{0%{transform:translate(0) rotate(0);opacity:1}to{transform:translate(600px,-400px) rotate(45deg);opacity:0}}.plane-flying{animation:planeFlyAway 1.5s cubic-bezier(.25,.46,.45,.94) forwards;position:absolute;left:0}footer{text-align:center;padding:var(--space-xl) 0;color:var(--text-muted);font-family:var(--font-mono);font-size:.85rem;border-top:1px solid var(--border);margin-top:var(--space-2xl)}@media (max-width: 768px){.nav-bar{top:var(--space-md);bottom:auto;left:50%;right:auto;transform:translate(-50%)!important;width:calc(100vw - var(--space-md) * 2);max-width:100%;padding:var(--space-xs);gap:2px;animation:none;justify-content:space-around}.nav-link{font-size:.65rem;padding:4px 6px;flex:1;text-align:center}.hero-content{padding:var(--space-lg) var(--space-md)}.avatar-wrapper:after{left:50%;top:50%;transform:translate(-50%,-50%) scale(0);margin-left:0;margin-right:0;margin-top:0;right:auto;white-space:nowrap;width:auto;padding:.4rem .8rem;font-size:.75rem}.avatar-wrapper:hover:after{transform:translate(-50%,-50%) scale(1)}.name{font-size:2rem}.section-title{font-size:1.5rem}.model-cards{grid-template-columns:1fr}.social-links{flex-wrap:wrap}.social-link{width:50px;height:50px;font-size:1.25rem}.container{padding:0 var(--space-md)}.theme-selector{display:none}.theme-selector-mobile{position:relative;display:flex;align-items:center}.theme-toggle-mobile{margin-right:4px;width:16px;height:16px;border-radius:50%;border:1.5px solid var(--text-primary);cursor:pointer;transition:all .3s ease;box-shadow:0 0 8px #8b5cf64d}.theme-dropdown{position:absolute;top:calc(100% + 6px);left:0;background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:6px;padding:6px;display:flex;flex-direction:column;gap:6px;z-index:1000;animation:dropdownSlide .2s ease-out;box-shadow:0 4px 20px #0000004d}@keyframes dropdownSlide{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.theme-dropdown .theme-btn{width:24px;height:24px}.music-player{display:none}.chatbot-window{width:calc(100vw - 2rem);max-width:100%;height:calc(100vh - 8rem);max-height:100%;left:50%!important;right:auto!important;bottom:auto!important;top:50%!important}.chatbot-window:not(.open){transform:translate(-50%,-50%) scale(.95)!important}.chatbot-window.open{transform:translate(-50%,-50%) scale(1)!important}.chatbot-toggle{right:1rem;bottom:1rem}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important}.hero:before{animation:none}.avatar-wrapper:before{animation:none}}.scroll-to-top{position:fixed;bottom:8rem;right:3rem;width:30px;height:30px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--accent-purple);color:var(--accent-purple);font-size:1.2rem;cursor:pointer;box-shadow:0 0 20px #8b5cf633;transition:all .3s ease;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transform:translateY(20px)}.scroll-to-top.visible{opacity:1;pointer-events:all;transform:translateY(0)}.scroll-to-top:hover{transform:scale(1.1) translateY(0);box-shadow:0 0 30px #8b5cf666;background:#8b5cf61a}.chatbot-toggle{position:fixed;bottom:2rem;right:2rem;width:60px;height:60px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--accent-cyan);color:var(--accent-cyan);font-size:1.5rem;cursor:pointer;z-index:1000;box-shadow:0 0 20px #00f2fe33;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.chatbot-toggle:hover{transform:scale(1.1);box-shadow:0 0 30px #00f2fe66;background:#00f2fe1a}.chatbot-toggle.open{background:var(--accent-purple);border-color:var(--accent-purple);color:#fff;transform:rotate(90deg)}.chatbot-window{position:fixed;bottom:7rem;right:2rem;width:350px;height:500px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:1rem;display:flex;flex-direction:column;overflow:hidden;z-index:999;box-shadow:0 10px 40px #00000080;opacity:0;transform:translateY(20px) scale(.95);pointer-events:none;transition:all .3s cubic-bezier(.16,1,.3,1)}.chatbot-window.open{opacity:1;transform:translateY(0) scale(1);pointer-events:all}.chatbot-header{padding:1rem;background:#0003;border-bottom:1px solid var(--border);font-family:var(--font-mono);font-weight:700}.chatbot-messages{flex:1;padding:1rem;overflow-y:auto;display:flex;flex-direction:column;gap:1rem}.chatbot-messages::-webkit-scrollbar{width:6px}.chatbot-messages::-webkit-scrollbar-track{background:#0000001a}.chatbot-messages::-webkit-scrollbar-thumb{background:#00f2fe4d;border-radius:3px}.chatbot-messages::-webkit-scrollbar-thumb:hover{background:#00f2fe80}.message{max-width:80%;padding:.8rem;border-radius:.8rem;font-size:.9rem;line-height:1.5}.message.bot{align-self:flex-start;background:#00f2fe1a;border:1px solid rgba(0,242,254,.2);border-top-left-radius:0;color:var(--text-primary)}.message.user{align-self:flex-end;background:var(--accent-purple);color:#fff;border-top-right-radius:0}.chatbot-options{padding:1rem;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:.5rem;background:#0003}.chatbot-option-btn{background:transparent;border:1px solid var(--accent-cyan);color:var(--accent-cyan);padding:.5rem 1rem;border-radius:2rem;font-size:.8rem;cursor:pointer;transition:all .2s ease;font-family:var(--font-mono)}.chatbot-option-btn:hover{background:var(--accent-cyan);color:var(--bg-primary)}.selection-popup{position:absolute;transform:translate(-50%,-100%);background:var(--bg-secondary);border:1px solid var(--accent-cyan);border-radius:8px;padding:4px;display:flex;align-items:center;gap:4px;box-shadow:0 4px 12px #0000004d;z-index:10000;animation:popupFadeIn .2s ease-out}.popup-btn{background:transparent;border:none;color:var(--text-primary);padding:6px 12px;border-radius:4px;cursor:pointer;font-family:var(--font-sans);font-size:.85rem;display:flex;align-items:center;gap:6px;transition:background .2s;white-space:nowrap}.popup-btn:hover{background:#00f2fe1a;color:var(--accent-cyan)}.popup-divider{width:1px;height:20px;background:var(--border)}.popup-arrow{position:absolute;bottom:-6px;left:50%;transform:translate(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid var(--accent-cyan)}@keyframes popupFadeIn{0%{opacity:0;transform:translate(-50%,-90%)}to{opacity:1;transform:translate(-50%,-100%)}}.chatbot-greeting{position:fixed;bottom:4rem;right:-50px;background:var(--bg-secondary);border:1px solid var(--accent-cyan);padding:.75rem 1rem;border-radius:1rem;border-bottom-right-radius:0;color:var(--text-primary);font-size:.9rem;box-shadow:0 5px 20px #0000004d;z-index:999;animation:popupFadeIn .3s ease-out forwards;display:flex;align-items:center;gap:.5rem;max-width:200px}.chatbot-greeting:after{content:"";position:absolute;bottom:-6px;right:24px;width:12px;height:12px;background:var(--bg-secondary);border-right:1px solid var(--accent-cyan);border-bottom:1px solid var(--accent-cyan);transform:rotate(45deg)}.greeting-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:1.2rem;padding:0;line-height:1;margin-left:auto}.greeting-close:hover{color:var(--accent-red)}