:root{--bg-primary:#0a0a0a;--bg-secondary:#141414;--bg-card:#1e1e1e;--border-color:#2a2a2a;--text-primary:#e0e0e0;--text-secondary:#888;--accent:#7b68ee;--accent-hover:#9b8fff;--success:#4ade80;--warning:#facc15;--error:#f87171;--shadow:0 4px 24px #0006;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--space-4xl:96px;--font-family:"Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--text-hero:clamp(36px, 6vw, 64px);--text-h1:clamp(28px, 4vw, 48px);--text-h2:clamp(22px, 3vw, 32px);--text-h3:20px;--text-body:16px;--text-small:14px;--text-caption:12px;--radius:12px;--radius-sm:8px;--max-width:1200px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);font-size:var(--text-body);margin:0;padding:0;line-height:1.6;overflow-x:hidden}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}img,video{max-width:100%;height:auto}.container{width:100%;max-width:var(--max-width);padding:0 var(--space-lg);margin:0 auto}@media (width<=640px){.container{padding:0 var(--space-md)}}.navbar{z-index:1000;-webkit-backdrop-filter:blur(12px);background:#0a0a0ad9;border-bottom:1px solid #ffffff0f;height:64px;transition:all .3s;position:fixed;top:0;left:0;right:0}.navbar .container{justify-content:space-between;align-items:center;height:100%;display:flex;position:relative}.nav-logo{color:var(--text-primary);letter-spacing:-.5px;font-size:20px;font-weight:700}.nav-links{gap:var(--space-xl);margin:0;padding:0;list-style:none;display:flex}.nav-links a{color:var(--text-secondary);font-size:var(--text-small);padding:var(--space-xs) 0;font-weight:500;transition:color .2s;position:relative}.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}.nav-links a.active:after{content:"";background:var(--accent);border-radius:1px;height:2px;position:absolute;bottom:-4px;left:0;right:0}.hamburger{cursor:pointer;z-index:1001;background:0 0;border:none;flex-direction:column;gap:5px;padding:4px;display:none}.hamburger span{background:var(--text-primary);border-radius:1px;width:24px;height:2px;transition:all .3s;display:block}.hamburger.open span:first-child{transform:translateY(7px)rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}@media (width<=768px){.hamburger{display:flex}.nav-links{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);justify-content:center;align-items:center;gap:var(--space-2xl);opacity:0;pointer-events:none;background:#0a0a0afa;flex-direction:column;transition:opacity .3s;position:fixed;inset:0}.nav-links.open{opacity:1;pointer-events:all}.nav-links a{font-size:24px}}.footer{border-top:1px solid var(--border-color);padding:var(--space-2xl) 0;margin-top:var(--space-4xl);text-align:center}.footer .social-links{justify-content:center;gap:var(--space-lg);margin-bottom:var(--space-md);display:flex}.footer .social-links a{color:var(--text-secondary);font-size:var(--text-small);transition:color .2s}.footer .social-links a:hover{color:var(--text-primary)}.footer .copyright{color:var(--text-secondary);font-size:var(--text-caption)}.hero{align-items:center;min-height:100vh;padding-top:64px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(circle,#7b68ee14,#0000 70%);width:600px;height:600px;position:absolute;top:20%;left:50%;transform:translate(-50%,-50%)}.hero .container{text-align:center;align-items:center;gap:var(--space-lg);z-index:1;flex-direction:column;display:flex;position:relative}.hero-avatar{border:3px solid var(--accent);width:140px;height:140px;margin-bottom:var(--space-sm);border-radius:50%;overflow:hidden;box-shadow:0 0 40px #7b68ee26}.hero-avatar img{object-fit:cover;width:100%;height:100%}.hero h1{font-size:var(--text-hero);letter-spacing:-1.5px;margin:0;font-weight:800;line-height:1.1}.hero h1 .accent{color:var(--accent)}.hero .subtitle{color:var(--text-secondary);max-width:560px;font-size:clamp(16px,2vw,20px);font-weight:400;line-height:1.7}.hero-cta{gap:var(--space-md);margin-top:var(--space-md);display:flex}.btn{align-items:center;gap:var(--space-sm);border-radius:var(--radius-sm);font-size:var(--text-body);cursor:pointer;border:none;padding:12px 28px;font-family:inherit;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px #7b68ee4d}.btn-outline{color:var(--text-primary);border:1.5px solid var(--border-color);background:0 0}.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}.btn-sm{font-size:var(--text-small);padding:8px 16px}.btn-lg{border-radius:12px;padding:16px 40px;font-size:18px}.hero-minimal{justify-content:center;position:relative;overflow:hidden}.hero-bg{z-index:0;background:var(--bg-primary);filter:blur(8px);background-image:url(../assets/placeholder/hero-bg.jpg);background-position:50%;background-repeat:no-repeat;background-size:cover;position:absolute;inset:0;transform:scale(1.15)}.hero-bg:after{content:"";background:#0000008c;position:absolute;inset:0}.hero-content{z-index:1;text-align:center;justify-content:center;align-items:center;gap:var(--space-xl);flex-direction:column;display:flex;position:relative}.hero-greeting{color:var(--text-primary);letter-spacing:2px;text-shadow:0 2px 20px #00000080;margin:0;font-size:clamp(20px,3vw,28px);font-weight:300}.section{padding:var(--space-4xl) 0}.section-header{margin-bottom:var(--space-2xl)}.section-header h2{font-size:var(--text-h2);margin:0 0 var(--space-sm) 0;font-weight:700}.section-header p{color:var(--text-secondary);margin:0}.skills-section{padding:var(--space-3xl) 0}.skills-grid{gap:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}.skill-category h3{font-size:var(--text-h3);margin:0 0 var(--space-md) 0;color:var(--text-primary);font-weight:600}.skill-tags{gap:var(--space-sm);flex-wrap:wrap;display:flex}.tag{background:var(--bg-card);border:1px solid var(--border-color);font-size:var(--text-small);color:var(--text-secondary);border-radius:20px;padding:6px 14px;transition:all .2s;display:inline-block}.tag:hover{border-color:var(--accent);color:var(--text-primary)}.filter-bar{gap:var(--space-sm);margin-bottom:var(--space-2xl);flex-wrap:wrap;display:flex}.filter-btn{background:var(--bg-card);border:1px solid var(--border-color);font-size:var(--text-small);color:var(--text-secondary);cursor:pointer;border-radius:20px;padding:8px 20px;font-family:inherit;transition:all .2s}.filter-btn:hover{color:var(--text-primary);border-color:var(--text-secondary)}.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.gallery-grid{gap:var(--space-xl);grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}@media (width<=640px){.gallery-grid{grid-template-columns:1fr}}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);cursor:pointer;transition:all .3s;overflow:hidden}.card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 12px 40px #00000080}.card-thumb{aspect-ratio:4/3;background:var(--bg-secondary);position:relative;overflow:hidden}.card-thumb img{object-fit:cover;width:100%;height:100%;transition:transform .4s}.card:hover .card-thumb img{transform:scale(1.05)}.card-info{padding:var(--space-md)}.card-info h3{font-size:var(--text-h3);margin:0 0 var(--space-xs) 0;font-weight:600}.card-info .card-category{color:var(--accent);font-size:var(--text-caption);margin-bottom:var(--space-sm);background:#7b68ee26;border-radius:12px;padding:3px 10px;font-weight:500;display:inline-block}.card-info .card-desc{color:var(--text-secondary);font-size:var(--text-small);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;line-height:1.6;display:-webkit-box;overflow:hidden}.video-card .card-thumb{aspect-ratio:16/9}.video-duration{color:#fff;font-size:var(--text-caption);background:#000c;border-radius:4px;padding:3px 8px;font-weight:500;position:absolute;bottom:8px;right:8px}.video-play-icon{background:#000000b3;border:2px solid #ffffff80;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:all .3s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.video-play-icon:after{content:"";border-top:10px solid #0000;border-bottom:10px solid #0000;border-left:16px solid #fff;width:0;height:0;margin-left:3px}.card:hover .video-play-icon{background:var(--accent);border-color:var(--accent);transform:translate(-50%,-50%)scale(1.1)}.lightbox{z-index:2000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;background:#000000eb;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:fixed;inset:0}.lightbox.open{opacity:1;pointer-events:all}.lightbox-content{max-width:90vw;max-height:85vh;position:relative}.lightbox-content img{object-fit:contain;border-radius:var(--radius-sm);max-width:90vw;max-height:85vh}.lightbox-close{color:#fff;cursor:pointer;opacity:.7;background:0 0;border:none;justify-content:center;align-items:center;width:40px;height:40px;font-size:32px;transition:opacity .2s;display:flex;position:absolute;top:-48px;right:0}.lightbox-close:hover{opacity:1}.lightbox-nav{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;transition:background .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-nav:hover{background:#fff3}.lightbox-prev{left:-64px}.lightbox-next{right:-64px}@media (width<=768px){.lightbox-prev{left:8px}.lightbox-next{right:8px}}.lightbox-info{text-align:center;color:var(--text-secondary);font-size:var(--text-small);position:absolute;bottom:-48px;left:0;right:0}.video-modal{z-index:2000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;background:#000000eb;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:fixed;inset:0}.video-modal.open{opacity:1;pointer-events:all}.video-modal-content{aspect-ratio:16/9;border-radius:var(--radius-sm);background:#000;width:90vw;max-width:900px;position:relative;overflow:hidden}.video-modal-content iframe,.video-modal-content video{border:none;width:100%;height:100%}.video-modal .lightbox-close{top:-48px;right:-48px}@media (width<=768px){.video-modal .lightbox-close{top:-48px;right:0}}.workflow-list{gap:var(--space-2xl);flex-direction:column;display:flex}.workflow-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:var(--space-xl);transition:border-color .3s}.workflow-item:hover{border-color:var(--accent)}.workflow-item h3{font-size:var(--text-h3);margin:0 0 var(--space-sm) 0;font-weight:600}.workflow-item>p{color:var(--text-secondary);margin:0 0 var(--space-lg) 0;line-height:1.7}.workflow-steps{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));display:grid}.workflow-step{text-align:center}.workflow-step img{aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-sm);background:var(--bg-secondary);width:100%}.workflow-step span{margin-top:var(--space-sm);font-size:var(--text-small);color:var(--text-secondary);display:block}.about-bio{max-width:720px;margin-bottom:var(--space-3xl)}.about-bio p{color:var(--text-secondary);font-size:18px;line-height:1.8}.timeline{padding-left:var(--space-xl);position:relative}.timeline:before{content:"";background:var(--border-color);width:1px;position:absolute;top:4px;bottom:4px;left:7px}.timeline-item{margin-bottom:var(--space-xl);padding-left:var(--space-lg);position:relative}.timeline-item:before{content:"";background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute;top:8px;left:0;transform:translate(-24px)}.timeline-item .year{font-size:var(--text-caption);color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--space-xs);font-weight:600}.timeline-item h4{font-size:var(--text-body);margin:0 0 var(--space-xs) 0;font-weight:600}.timeline-item .company{color:var(--text-secondary);font-size:var(--text-small);margin-bottom:var(--space-sm)}.timeline-item p{color:var(--text-secondary);font-size:var(--text-small);margin:0;line-height:1.7}.contact-grid{gap:var(--space-2xl);grid-template-columns:1fr 1fr;display:grid}@media (width<=768px){.contact-grid{grid-template-columns:1fr}}.contact-links{gap:var(--space-md);flex-direction:column;display:flex}.contact-link{align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);transition:all .2s;display:flex}.contact-link:hover{border-color:var(--accent);color:var(--text-primary)}.contact-link .link-icon{text-align:center;width:24px;font-size:20px}.contact-form{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:var(--space-xl)}.form-group{margin-bottom:var(--space-md)}.form-group label{font-size:var(--text-small);color:var(--text-secondary);margin-bottom:var(--space-sm);display:block}.form-group input,.form-group textarea{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-family:inherit;font-size:var(--text-body);padding:12px 16px;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{border-color:var(--accent);outline:none}.form-group textarea{resize:vertical;min-height:120px}.fade-in{opacity:0;transition:opacity .4s,transform .4s;transform:translateY(20px)}.fade-in.visible{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.fade-in{transition:none}}.empty-state{text-align:center;padding:var(--space-3xl);color:var(--text-secondary)}.empty-state .empty-icon{margin-bottom:var(--space-md);opacity:.3;font-size:48px}.empty-state p{font-size:var(--text-body)}.text-center{text-align:center}.mt-1{margin-top:var(--space-sm)}.mt-2{margin-top:var(--space-md)}.mt-3{margin-top:var(--space-lg)}.mt-4{margin-top:var(--space-xl)}.mt-5{margin-top:var(--space-2xl)}.mb-2{margin-bottom:var(--space-md)}.mb-3{margin-bottom:var(--space-lg)}.hidden{display:none!important}.contact-feedback{font-size:var(--text-small);margin-bottom:var(--space-md);border-radius:8px;padding:10px 14px;display:none}.contact-feedback-success{color:#4ade80;background:#4ade801a;border:1px solid #4ade804d}.contact-feedback-error{color:#f87171;background:#f871711a;border:1px solid #f871714d}#contactSubmit:disabled{opacity:.6;cursor:not-allowed}