:root{--bg-color:#050505;--surface-color:#1a1a1ab3;--primary-color:#0fc;--secondary-color:#7000ff;--text-main:#f0f0f0;--text-muted:#a0a0a0;--font-family:"Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);line-height:1.6;position:relative;overflow-x:hidden}.bg-grid{z-index:-2;pointer-events:none;background-image:linear-gradient(90deg,#ffffff05 1px,#0000 1px),linear-gradient(#ffffff05 1px,#0000 1px);background-size:40px 40px;width:100vw;height:100vh;position:fixed;top:0;left:0}.glow-bg{z-index:-1;pointer-events:none;background:radial-gradient(circle,#00ffcc0d 0%,#0000 70%);width:50vw;height:50vw;position:fixed;top:-20%;left:-10%}.glow-bg-2{z-index:-1;pointer-events:none;background:radial-gradient(circle,#7000ff0d 0%,#0000 70%);width:50vw;height:50vw;position:fixed;bottom:-20%;right:-10%}nav{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:1000;background:#050505d9;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;width:100%;padding:1.5rem 5%;display:flex;position:fixed;top:0}.nav-left,.nav-right{align-items:center;display:flex}.logo{color:var(--text-main);letter-spacing:2px;margin-right:3rem;font-size:1.5rem;font-weight:700}.logo span{color:var(--primary-color)}.nav-links{gap:2rem;list-style:none;display:flex}nav a{color:var(--text-muted);font-weight:500;text-decoration:none;transition:all .3s}nav a:hover,nav a.active{color:var(--primary-color);text-shadow:0 0 10px #00ffcc4d}.nav-controls{gap:10px;margin-right:2rem;display:flex}section{flex-direction:column;justify-content:center;min-height:100vh;padding:120px 10% 60px;display:flex}.page-section{justify-content:flex-start;min-height:calc(100vh - 100px)}h2{margin-bottom:3rem;font-size:2.5rem;display:inline-block;position:relative}h2:after{content:"";background:var(--primary-color);width:50px;height:4px;box-shadow:0 0 10px var(--primary-color);position:absolute;bottom:-10px;left:0}.hero-subtitle{color:var(--primary-color);letter-spacing:1px;margin-bottom:1rem;font-size:1.2rem}.hero-title{background:linear-gradient(45deg, var(--text-main), var(--text-muted));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1.5rem;font-size:4.5rem;font-weight:800}.hero-desc{color:var(--text-muted);max-width:700px;margin-bottom:2.5rem;font-size:1.2rem}.skills-container{flex-wrap:wrap;gap:1rem;margin-top:2rem;display:flex}.skill-badge{background:#ffffff08;border:1px solid #ffffff1a;border-radius:8px;align-items:center;gap:10px;padding:.8rem 1.5rem;transition:all .3s;display:flex}.skill-badge:hover{border-color:var(--primary-color);background:#00ffcc0d;transform:translateY(-2px)}.grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;display:grid}.card{background:var(--surface-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;border:1px solid #ffffff0d;border-radius:12px;padding:2.5rem;text-decoration:none;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:block;position:relative;overflow:hidden}.card:before{content:"";background:linear-gradient(90deg, var(--primary-color), var(--secondary-color));transform-origin:0;width:100%;height:2px;transition:transform .4s;position:absolute;top:0;left:0;transform:scaleX(0)}.card:hover{border-color:#ffffff1a;transform:translateY(-8px);box-shadow:0 15px 35px #00000080}.card:hover:before{transform:scaleX(1)}.card h3{color:var(--text-main);margin-bottom:1rem;font-size:1.6rem}.card p{color:var(--text-muted);margin-bottom:2rem;font-size:1rem}.tags{flex-wrap:wrap;gap:.5rem;margin-top:auto;display:flex}.tag{color:var(--primary-color);background:#00ffcc14;border-radius:20px;padding:.4rem 1rem;font-size:.85rem;font-weight:600}footer{color:var(--text-muted);background:#0000004d;border-top:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:2rem 10%;display:flex}.social-links a{color:var(--text-main);margin-left:1rem;text-decoration:none;transition:color .3s}.social-links a:hover{color:var(--primary-color)}.typewriter{border-right:2px solid var(--primary-color);white-space:nowrap;color:var(--primary-color);font-weight:700;animation:.75s step-end infinite blinkCursor;overflow:hidden}@keyframes blinkCursor{0%,to{border-color:#0000}50%{border-color:var(--primary-color)}}.section-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-top:3rem;font-size:.9rem}.timeline{border-left:2px solid #00ffcc4d;margin-top:2rem;margin-left:1rem;padding-left:2rem}.timeline-item{margin-bottom:3rem;position:relative}.timeline-item:before{content:"";background:var(--bg-color);border:2px solid var(--primary-color);border-radius:50%;width:14px;height:14px;position:absolute;top:10px;left:-42px;box-shadow:0 0 10px #00ffcc80}.timeline-date{color:var(--primary-color);letter-spacing:1px;margin-bottom:.5rem;font-size:.9rem;font-weight:700}.timeline-content h3{color:var(--text-main);margin-bottom:.2rem;font-size:1.4rem}.timeline-content p{color:var(--text-muted);margin-bottom:.5rem;font-size:1rem;font-weight:500}.timeline-desc{color:var(--text-muted);font-size:.95rem;line-height:1.5;display:block}.btn-primary{color:var(--primary-color);border:2px solid var(--primary-color);background:0 0;border-radius:30px;padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 0 15px #00ffcc1a}.btn-primary:hover{background:var(--primary-color);color:var(--bg-color);transform:translateY(-3px);box-shadow:0 0 25px #00ffcc80}.profile-layout{grid-template-columns:300px 1fr;align-items:start;gap:3rem;max-width:1200px;margin:0 auto;display:grid}.profile-sidebar{background:var(--surface-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:center;border:1px solid #ffffff0d;border-radius:16px;padding:2.5rem 2rem;position:sticky;top:120px;box-shadow:0 10px 30px #0000004d}.profile-avatar{border:3px solid var(--primary-color);border-radius:50%;width:150px;height:150px;margin:0 auto 1.5rem;overflow:hidden;box-shadow:0 0 20px #0fc3}.profile-avatar img{object-fit:cover;width:100%;height:100%}.profile-title{color:var(--primary-color);margin-bottom:2rem;font-size:1.1rem;font-weight:600}.profile-stats{text-align:left;margin-bottom:2rem;list-style:none}.profile-stats li{color:var(--text-muted);border-bottom:1px solid #ffffff0d;padding:.8rem 0}.profile-stats li strong{color:var(--text-main);width:80px;display:inline-block}.profile-links{flex-direction:column;gap:1rem;display:flex}.link-btn{color:var(--text-main);background:#ffffff08;border:1px solid #ffffff1a;border-radius:8px;padding:.8rem;text-decoration:none;transition:all .3s;display:block}.link-btn:hover{border-color:var(--primary-color);color:var(--primary-color);background:#00ffcc1a;transform:translateY(-2px)}.content-block{background:var(--surface-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid #ffffff0d;border-radius:16px;margin-bottom:2rem;padding:2.5rem}.content-block h3{color:var(--text-main);margin-bottom:1.5rem;font-size:1.8rem}.highlight{background:linear-gradient(90deg, var(--primary-color), var(--secondary-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text}.education-list{list-style:none}.education-list li{border-left:2px solid var(--primary-color);margin-bottom:1.5rem;padding-left:1.5rem;position:relative}.education-list li span{color:var(--primary-color);margin-top:.3rem;font-size:.9rem;display:block}.games-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.game-card{background:#0000004d;border:1px solid #ffffff0d;border-radius:12px;padding:1.5rem;transition:all .3s}.game-card:hover{border-color:var(--secondary-color);transform:translateY(-5px);box-shadow:0 10px 20px #7000ff1a}.game-card h4{color:var(--text-main);margin-bottom:.5rem;font-size:1.2rem}.game-card p{color:var(--text-muted);margin:0;font-size:.9rem}@media (width<=900px){.profile-layout{grid-template-columns:1fr}.profile-sidebar{position:static}}.terminal-container{background:#0a0a0a;border:1px solid #00ffcc4d;border-radius:10px;max-width:800px;margin:0 auto;font-family:Consolas,Courier New,Courier,monospace;overflow:hidden;box-shadow:0 10px 30px #00ffcc1a}.terminal-header{background:#1a1a1a;border-bottom:1px solid #ffffff0d;align-items:center;padding:10px 15px;display:flex}.btn-close,.btn-min,.btn-max{border-radius:50%;width:12px;height:12px;margin-right:8px}.btn-close{background:#ff5f56}.btn-min{background:#ffbd2e}.btn-max{background:#27c93f}.terminal-title{color:var(--text-muted);margin-left:auto;margin-right:auto;padding-right:60px;font-size:.9rem}.terminal-body{height:300px;color:var(--primary-color);padding:15px;font-size:.95rem;overflow-y:auto}.terminal-line{word-wrap:break-word;margin-bottom:5px;line-height:1.4}.terminal-input-line{cursor:text;align-items:center;padding:0 15px 15px;display:flex}.prompt{color:#27c93f;white-space:nowrap;margin-right:10px;font-weight:700}#terminal-input{color:var(--text-main);width:100%;caret-color:var(--primary-color);background:0 0;border:none;outline:none;font-family:inherit;font-size:.95rem}.terminal-body::-webkit-scrollbar{width:8px}.terminal-body::-webkit-scrollbar-track{background:#0a0a0a}.terminal-body::-webkit-scrollbar-thumb{background:#00ffcc4d;border-radius:4px}#lidar-canvas{z-index:-3;pointer-events:none;opacity:.6;width:100vw;height:100vh;position:fixed;top:0;left:0}.github-heatmap-container{text-align:center;background:#0d1117;border:1px solid #ffffff0d;border-radius:12px;width:100%;padding:1.5rem;overflow-x:auto}.github-heatmap-container img{filter:invert()hue-rotate(180deg)contrast(1.2);width:100%;min-width:600px}section,footer{opacity:0;animation:.4s ease-out forwards fadeInPage}@keyframes fadeInPage{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:none}}.fade-out-page{animation:.3s ease-in forwards fadeOutPage!important}@keyframes fadeOutPage{0%{opacity:1;transform:none}to{opacity:0;transform:translateY(-15px)}}.nav-controls{gap:10px;margin-left:20px;display:flex}.ctrl-btn{border:1px solid var(--text-muted);color:var(--text-main);cursor:pointer;background:0 0;border-radius:4px;padding:4px 10px;font-family:inherit;font-weight:700;transition:all .2s}.ctrl-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.en,body.lang-en .cs{display:none}body.lang-en .en{display:inline}body.e-ink-theme{--bg-color:#f4f4f0;--surface-color:#fff;--primary-color:#111;--secondary-color:#555;--text-main:#000;--text-muted:#555}body.e-ink-theme nav{background:#f4f4f0e6;border-bottom:1px solid #ccc}body.e-ink-theme .bg-grid{background-image:linear-gradient(90deg,#0000000d 1px,#0000 1px),linear-gradient(#0000000d 1px,#0000 1px)}body.e-ink-theme .glow-bg,body.e-ink-theme .glow-bg-2{display:none}body.e-ink-theme h2:after{box-shadow:none;background:#000}body.e-ink-theme .card{border:2px solid #222;border-radius:4px;box-shadow:4px 4px #222}body.e-ink-theme .card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px #000}body.e-ink-theme .card:before{background:#000}body.e-ink-theme #lidar-canvas{filter:invert()grayscale()opacity(.4)}body.e-ink-theme .terminal-container{background:#fff;border:2px solid #222;border-radius:0;box-shadow:4px 4px #222}body.e-ink-theme .terminal-header{background:#eee;border-bottom:2px solid #222}body.e-ink-theme .prompt{color:#555}.typewriter-multiline{border-right:2px solid var(--primary-color);color:var(--primary-color);padding-right:5px;font-weight:600;animation:.75s step-end infinite blinkCursor}.feature-list{margin-top:1rem;padding-left:0;list-style:none}.feature-list li{color:var(--text-muted);margin-bottom:1.2rem;padding-left:1.5rem;line-height:1.6;position:relative}.feature-list li:before{content:"▹";color:var(--primary-color);font-size:1.2rem;font-weight:700;line-height:1.4;position:absolute;top:0;left:0}.feature-list li strong{color:var(--text-main);margin-bottom:.3rem;display:inline-block}.code-window{background:#000;border:1px solid #fff0;border-radius:8px;margin-top:1rem;overflow:hidden}.code-header{background:#111;border-bottom:1px solid #000;justify-content:space-between;align-items:center;padding:8px 15px;display:flex}.code-window pre[class*=language-],.code-window code[class*=language-]{box-shadow:none!important;text-shadow:none!important;background:0 0!important;margin:0!important}.code-window pre[class*=language-]{padding:1.5rem!important}.xkcd-widget{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#141419cc;border:1px solid #ffffff1a;border-radius:12px;max-width:500px;margin:40px auto;padding:25px;font-family:inherit;box-shadow:0 4px 15px #0000004d}.xkcd-header h3{color:var(--text-main,#fff);margin-top:0;margin-bottom:5px}.xkcd-header p{color:#888;margin-bottom:20px;font-size:.9em}.xkcd-header a{color:#0fc;text-decoration:none}.xkcd-header a:hover{text-decoration:underline}.xkcd-controls{gap:20px;margin-bottom:25px;display:flex}.input-group{flex-direction:column;flex:1;gap:8px;display:flex}.input-group label{text-transform:uppercase;letter-spacing:1px;color:#aaa;font-size:.85em}.input-group select{color:#fff;cursor:pointer;background:#111;border:1px solid #333;border-radius:6px;outline:none;padding:10px;font-size:1em}.input-group select:focus{border-color:#0fc}.xkcd-result{background:#00ffcc0d;border-left:4px solid #0fc;border-radius:0 8px 8px 0;padding:15px;line-height:1.5}.xkcd-result span{color:#0fc;margin-top:5px;font-size:1.5em;font-weight:700;display:block}@media (width<=500px){.xkcd-controls{flex-direction:column}}body.matrix-mode{filter:hue-rotate(270deg)contrast(1.2)}body.matrix-mode .terminal-container{box-shadow:0 0 20px #0f0}.til-section{max-width:900px;margin:40px auto;padding:0 20px}.til-section h2 .highlight{color:#0fc}.til-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:30px;display:grid}.til-card{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#141419b3;border:1px solid #ffffff0d;border-radius:10px;padding:20px;transition:transform .2s,box-shadow .2s}.til-card:hover{border-color:#00ffcc4d;transform:translateY(-5px);box-shadow:0 8px 20px #00ffcc1a}.til-header{justify-content:space-between;align-items:center;margin-bottom:15px;font-size:.85em;display:flex}.til-tag{letter-spacing:.5px;border-radius:4px;padding:3px 8px;font-weight:700}.til-tag.pytorch{color:#ff6b4a;background:#ee4c2c33}.til-tag.hardware{color:#94e000;background:#76b90033}.til-tag.linux{color:#fc0;background:#fc03}.til-date{color:#666}.til-card h3{color:#eee;margin:0 0 10px;font-size:1.2em}.til-card p{color:#aaa;margin:0;font-size:.95em;line-height:1.5}.til-card code{color:#0fc;background:#111;border-radius:4px;padding:2px 5px;font-family:monospace}.category-title{color:#eee;letter-spacing:.5px;border-bottom:1px solid #ffffff1a;margin-top:3.5rem;margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.5rem}@media screen and (width<=768px){nav{flex-direction:column;gap:15px;height:auto;padding:15px}.nav-left,.nav-right{flex-wrap:wrap;justify-content:center;width:100%}.nav-links{justify-content:center;gap:12px;margin-top:10px;font-size:.9em}.nav-controls{margin-right:15px}.hero-title{text-align:center;font-size:2.8rem}.hero-subtitle,.hero-desc,.section-label{text-align:center}.skills-container{justify-content:center}.timeline{padding-left:15px}.timeline:before{left:15px}.timeline-item{padding-left:35px}.timeline-item:before{left:9px}.grid{grid-template-columns:1fr;gap:20px}.card{padding:20px}.terminal-container{width:95%;margin:0 auto}.terminal-body{max-height:250px;font-size:14px}.terminal-input-line{flex-wrap:wrap;font-size:14px}.xkcd-widget{width:95%;margin:20px auto;padding:15px}.xkcd-controls{flex-direction:column;gap:15px}.xkcd-result{text-align:center;border-radius:8px;margin-top:15px}.xkcd-result span{font-size:1.3em}body,html{overflow-x:hidden}.page-section{padding-left:15px;padding-right:15px}}@media screen and (width<=480px){.hero-title{font-size:2.2rem}.nav-links li a{padding:6px 10px;font-size:.85em}.profile-link{display:none}}.tilt-card{transform-style:preserve-3d;will-change:transform;transition:transform .1s ease-out,box-shadow .2s;position:relative;transform:perspective(1000px)}.tilt-card:after{content:"";border-radius:inherit;background:radial-gradient(circle at var(--mouse-x,50%) var(--mouse-y,50%), #00ffcc1a, transparent 50%);opacity:0;pointer-events:none;z-index:2;transition:opacity .3s;position:absolute;inset:0}.tilt-card:hover:after{opacity:1}.project-thumb{object-fit:cover;border:1px solid #ffffff14;border-radius:8px;width:100%;height:170px;margin-bottom:1rem;transition:transform .3s}.project-card:hover .project-thumb{transform:scale(1.02)}