:root{--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;--font-display: "Space Grotesk", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;--radius-lg: 24px;--radius-md: 16px;--navbar-height: 64px}:root,[data-theme=fresh]{color-scheme:light;--bg: #f7faf9;--bg-elevated: #ffffff;--bg-soft: #eef6f3;--text: #1e2a32;--text-muted: #5c6b73;--primary: #34c79a;--primary-soft: rgba(52, 199, 154, .14);--on-primary: #ffffff;--accent: #38b6e3;--accent-soft: rgba(56, 182, 227, .14);--border: rgba(30, 42, 50, .1);--card-shadow: 0 8px 30px rgba(30, 42, 50, .08);--card-shadow-hover: 0 16px 40px rgba(30, 42, 50, .14);--shadow-lift: 0 20px 42px rgba(30, 42, 50, .18);--scrim: rgba(20, 34, 29, .72);--navbar-bg: rgba(247, 250, 249, .82)}[data-theme=geek]{color-scheme:dark;--bg: #0a0f0c;--bg-elevated: #101713;--bg-soft: #0d1410;--text: #d8ffe9;--text-muted: #7da28f;--primary: #39ff8e;--primary-soft: rgba(57, 255, 142, .12);--on-primary: #06130c;--accent: #39ff8e;--accent-soft: rgba(57, 255, 142, .12);--border: rgba(57, 255, 142, .22);--card-shadow: 0 8px 30px rgba(0, 0, 0, .5);--card-shadow-hover: 0 16px 40px rgba(57, 255, 142, .12);--shadow-lift: 0 20px 42px rgba(0, 0, 0, .6);--scrim: rgba(0, 0, 0, .85);--navbar-bg: rgba(10, 15, 12, .82)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.6;transition:background .4s ease,color .4s ease;-webkit-font-smoothing:antialiased}::selection{background:var(--primary);color:var(--bg)}:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}img{max-width:100%;display:block}.section{min-height:100vh;padding:clamp(4rem,10vh,7rem) 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clamp(1rem,4vw,2.5rem);display:flex;align-items:center;gap:1.5rem}.navbar-logo{font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--text);text-decoration:none;margin-right:auto;white-space:nowrap;transition:transform .2s ease,text-shadow .2s ease}.navbar-logo:active{transform:scale(.9);text-shadow:0 0 20px var(--primary-soft)}.navbar-links{display:flex;gap:clamp(.75rem,2.5vw,2rem);list-style:none}.navbar-links a{color:var(--text-muted);text-decoration:none;font-size:.95rem;transition:color .25s ease;white-space:nowrap;position:relative}.navbar-links a:after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--primary);border-radius:1px;transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.navbar-links a:hover{color:var(--primary)}.navbar-links a:hover:after{transform:scaleX(1)}.navbar-links a.active{color:var(--primary)}.navbar-links 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a{font-size:.82rem}}.progress-bar-track{position:fixed;top:0;left:0;right:0;height:1px;z-index:110;background:transparent}.progress-bar{height:100%;width:100%;background:linear-gradient(90deg,var(--primary),var(--accent));transform-origin:left center;transform:scaleX(0)}.section-nav{position:fixed;right:clamp(.75rem,2.5vw,2rem);top:50%;transform:translateY(-50%);z-index:90}.section-nav ul{list-style:none;display:flex;flex-direction:column;gap:14px}.section-nav-dot{position:relative;display:block;width:12px;height:12px;border-radius:50%;border:2px solid var(--text-muted);background:transparent;cursor:pointer;transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .25s ease,border-color .25s ease,background .25s ease;animation:dotBreathe 3s ease-in-out 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8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease}.section-nav-dot:hover .section-nav-label,.section-nav-dot:focus-visible .section-nav-label{opacity:1}@media(max-width:720px){.section-nav{display:none}}.back-to-top{position:fixed;right:clamp(1rem,3vw,2.5rem);bottom:clamp(1rem,3vw,2.5rem);z-index:95;width:46px;height:46px;border-radius:50%;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--card-shadow);opacity:0;pointer-events:none;transition:color .25s ease,border-color .25s ease}.back-to-top:hover{color:var(--primary);border-color:var(--primary)}.back-to-top:before{content:"";position:absolute;inset:-6px;border-radius:50%;border:1.5px solid transparent;border-top-color:var(--primary);animation:bttSpin 2s linear infinite;opacity:0;transition:opacity .3s ease}.back-to-top:hover:before{opacity:.7}@keyframes bttSpin{to{transform:rotate(360deg)}}.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:9999;opacity:0;will-change:transform}.cursor-dot{width:8px;height:8px;margin:-4px 0 0 -4px;background:var(--primary)}.cursor-ring{width:36px;height:36px;margin:-18px 0 0 -18px;border:1.5px solid var(--primary);opacity:0}.cursor-ring:after{content:"";position:absolute;inset:-8px;border-radius:50%;border:1px solid var(--primary);opacity:.45;animation:trailPulse .8s ease-out infinite}@keyframes trailPulse{0%{transform:scale(.6);opacity:.5}to{transform:scale(1.8);opacity:0}}html.custom-cursor,html.custom-cursor *{cursor:none!important}.motion-toggle{position:fixed;right:1rem;bottom:1rem;z-index:120;display:inline-flex;align-items:center;gap:.45rem;padding:.55rem 1rem;border-radius:999px;border:1px solid var(--border);background:var(--navbar-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--text-muted);font-family:inherit;font-size:.85rem;cursor:pointer;transition:color .25s ease,border-color .25s ease,transform .25s ease}.motion-toggle:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}.motion-toggle.is-reduced{color:var(--primary);border-color:var(--primary)}@media(max-width:768px){.motion-toggle{bottom:4.5rem;font-size:.78rem;padding:.5rem .85rem}}.hero{position:relative;align-items:flex-start;justify-content:center;text-align:left;padding-left:max(2rem,6vw)}.hero-content{position:relative;z-index:1}.hero-kicker{color:var(--primary);font-weight:500;letter-spacing:.15em;font-size:clamp(.85rem,1.5vw,1rem);margin-bottom:1rem;animation:kickerShimmer 3.2s ease-in-out infinite 2.5s}@keyframes kickerShimmer{0%,to{opacity:1;filter:blur(0)}50%{opacity:.5;filter:blur(.5px)}}.hero-title{font-family:var(--font-display);font-size:clamp(3.5rem,14vw,9rem);font-weight:900;line-height:1.05;letter-spacing:.02em;transition:text-shadow .3s ease,opacity .3s ease;position:relative}.hero-title-sheen{position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,color-mix(in srgb,var(--primary) 45%,transparent) 47%,color-mix(in srgb,var(--primary) 80%,transparent) 50%,color-mix(in srgb,var(--primary) 45%,transparent) 53%,transparent 60%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:titleSweep 4s ease-in-out infinite 3s;pointer-events:none;white-space:nowrap}@keyframes titleSweep{0%{background-position:200% 0}75%{background-position:200% 0}to{background-position:-200% 0}}.hero-title:hover{text-shadow:0 0 30px var(--primary-soft),0 0 60px var(--primary-soft)}.hero-slogan{font-size:clamp(1.1rem,2.5vw,1.6rem);color:var(--text-muted);margin-top:1.25rem;max-width:32em}.hero-slogan:after{content:"▎";color:var(--primary);animation:blink 1s step-end infinite;margin-left:2px}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.5rem}.btn-primary{animation:ctaPulse 2s ease-in-out infinite 3s}@keyframes ctaPulse{0%,to{box-shadow:0 6px 20px var(--primary-soft)}50%{box-shadow:0 6px 24px var(--primary-soft),0 0 18px 2px var(--primary-soft)}}.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:inherit;font-size:1rem;font-weight:500;padding:.85rem 1.9rem;border-radius:999px;cursor:pointer;transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease}.btn:hover{transform:scale(1.06)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary);color:var(--on-primary);border:none;box-shadow:0 6px 20px var(--primary-soft)}.btn-primary:hover{box-shadow:0 8px 28px var(--primary-soft),0 0 16px var(--primary)}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.about-grid{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:clamp(1.5rem,5vw,4rem);align-items:center}.about-avatar{aspect-ratio:1;border-radius:50%;background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.95rem;position:relative}.about-avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.about-avatar:before{content:"";position:absolute;inset:-4px;border-radius:50%;background:conic-gradient(var(--primary),var(--accent),var(--primary),transparent,var(--primary));animation:avatarSpin 3s linear infinite;z-index:-1}@keyframes avatarSpin{to{transform:rotate(360deg)}}.about-text p{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--text-muted);margin-bottom:1rem;max-width:38em}.about,.skills,.projects,.photography,.activity,.contact{position:relative;overflow:hidden}.skills-tags{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:clamp(2rem,5vh,3.5rem)}.skill-tag{padding:.5rem 1.1rem;border-radius:999px;background:var(--bg-elevated);border:1px solid var(--border);font-size:.95rem;transition:border-color .25s ease,color .25s ease,transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .25s ease;cursor:default}.skill-tag:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 4px 18px var(--primary-soft);animation:tagWiggle .4s ease-in-out;transform:scale(1.2)}@keyframes tagWiggle{0%{transform:scale(1.2) rotate(0)}30%{transform:scale(1.25) rotate(3deg)}70%{transform:scale(1.22) rotate(-3deg)}to{transform:scale(1.2) rotate(0)}}.skills-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.25rem;max-width:720px}.stat-card{text-align:center;animation:statFloat 4s ease-in-out infinite}.stat-card:nth-child(2){animation-delay:.6s}.stat-card:nth-child(3){animation-delay:1.2s}@keyframes statFloat{0%,to{translate:0 0}50%{translate:0 -5px}}.stat-card:hover{border-color:var(--primary);box-shadow:0 0 32px var(--primary-soft),var(--card-shadow)}.stat-card:hover .stat-number{transform:scale(1.2);text-shadow:0 0 24px var(--primary),0 0 48px var(--primary-soft)}.stat-card:hover .stat-value{filter:drop-shadow(0 0 14px var(--primary-soft))}.stat-value{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.8rem);font-weight:700;color:var(--primary)}.stat-number{display:inline-block;transition:transform .35s cubic-bezier(.34,1.56,.64,1),text-shadow .3s ease}.stat-label{color:var(--text-muted);font-size:.95rem;margin-top:.25rem}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:1.5rem}.project-thumb{aspect-ratio:16 / 9;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));display:flex;align-items:center;justify-content:center;color:var(--primary);font-weight:500;margin-bottom:1rem}.project-title{font-size:1.15rem;margin-bottom:.5rem}.project-desc{color:var(--text-muted);font-size:.92rem}.project-meta{display:flex;flex-wrap:wrap;gap:.4rem .9rem;margin-top:.75rem;font-size:.78rem;color:var(--text-muted);opacity:.85}.project-meta span{display:inline-flex;align-items:center;gap:.25rem}.project-highlights{list-style:none;display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.25rem;font-size:.92rem}.project-highlights li{position:relative;padding-left:1rem;color:var(--text-muted)}.project-highlights li:before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;background:var(--primary)}.photos-wall{display:flex;flex-wrap:wrap;gap:clamp(1rem,3vw,2rem)}.polaroid{background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;padding:12px 12px 14px;width:clamp(160px,24vw,240px);box-shadow:var(--card-shadow);color:var(--text);transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease;position:relative}.polaroid:after{content:"";position:absolute;bottom:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:0 0 6px 6px;opacity:0;transition:opacity .3s ease}.polaroid:hover:after{opacity:1}.polaroid:hover{transform:translateY(-10px) rotate(0)!important;box-shadow:var(--shadow-lift)}.polaroid-image{aspect-ratio:1;background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));border-radius:3px;display:flex;align-items:center;justify-content:center;color:var(--primary)}.polaroid-caption{margin-top:10px;text-align:center;font-size:.9rem}.activity{align-items:center;text-align:center}.activity-desc{color:var(--text-muted);max-width:36em;margin-bottom:2.5rem;font-size:clamp(1rem,1.6vw,1.15rem)}.activity-heatmap{display:flex;gap:3px;justify-content:center;padding:1rem 0}.activity-col{display:flex;flex-direction:column;gap:3px}.activity-cell{width:12px;height:12px;border-radius:2px;transition:transform .18s ease,box-shadow .18s ease;background:var(--bg-soft)}.activity-0{background:var(--bg-soft)}.activity-1{background:color-mix(in srgb,var(--primary) 25%,var(--bg-soft))}.activity-2{background:color-mix(in srgb,var(--primary) 50%,var(--bg-soft))}.activity-3{background:color-mix(in srgb,var(--primary) 75%,var(--bg-soft))}.activity-4{background:var(--primary)}.activity-cell:hover{transform:scale(1.6);box-shadow:0 0 10px var(--primary-soft),0 0 24px var(--primary-soft)}.contact-desc{color:var(--text-muted);max-width:34em;margin-bottom:2.5rem;font-size:clamp(1rem,1.6vw,1.15rem)}.contact-icons{display:flex;flex-wrap:wrap;gap:1.25rem}.contact-icon{display:inline-flex;flex-direction:column;align-items:center;gap:.6rem;min-width:110px;padding:1.5rem 1.25rem;text-decoration:none;color:var(--text);font-size:.95rem;transition:transform .35s cubic-bezier(.34,1.56,.64,1),color .3s ease,box-shadow .3s ease}.contact-icon:hover{color:var(--primary);transform:scale(1.3);box-shadow:0 0 28px var(--primary-soft),0 0 56px var(--primary-soft),var(--card-shadow)}.contact-icon span{transition:opacity .3s ease}.contact-icon:not(:hover) span{opacity:.75}.footer{position:relative;overflow:hidden;min-height:60vh;align-items:center;text-align:center;justify-content:center;border-top:1px solid var(--border)}.footer-title{font-family:var(--font-display);font-size:clamp(3rem,12vw,8rem);font-weight:900;line-height:1.1;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.footer-sub{color:var(--text-muted);margin-top:1rem;font-size:clamp(.95rem,1.6vw,1.15rem)}.projects-categories{display:flex;gap:.75rem;margin-bottom:2rem;flex-wrap:wrap}.cat-pill{padding:.5rem 1.3rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);cursor:pointer;font-size:.9rem;transition:all .25s ease;position:relative;overflow:hidden}.cat-pill:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:0;height:3px;background:var(--primary);border-radius:3px 3px 0 0;transition:width .3s ease}.cat-pill:hover:after{width:60%}.cat-pill:hover{transform:scale(1.1)}.cat-pill.active,.cat-pill:hover{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.projects-track-wrapper{overflow:hidden;cursor:grab}.projects-track-wrapper:active{cursor:grabbing}.projects-track{display:flex;gap:1.5rem;will-change:transform}.projects-track .project-card{width:min(340px,80vw);flex-shrink:0;cursor:pointer}.project-card.expanded{position:fixed;top:5vh;left:5vw;width:90vw;height:90vh;z-index:1000;cursor:default;overflow-y:auto}.project-card .close-btn{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;z-index:1;color:var(--text)}.project-card:not(.expanded) .close-btn{display:none}.project-details{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border);color:var(--text-muted)}.lightbox-overlay{position:fixed;inset:0;background:var(--scrim);z-index:2000;display:flex;align-items:center;justify-content:center}.lightbox-content{background:var(--bg-elevated);border-radius:var(--radius-lg);padding:2rem;max-width:80vw;max-height:80vh;text-align:center;position:relative}.lightbox-close{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--text-muted);cursor:pointer;transition:color .25s ease}.lightbox-close:hover{color:var(--primary)}.lightbox-image{width:100%;max-height:60vh;object-fit:contain;border-radius:8px;background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));aspect-ratio:4 / 3;display:flex;align-items:center;justify-content:center}.lightbox-caption{margin-top:1rem;font-size:1.1rem}.footer{position:relative;overflow:hidden}.footer-particle{position:absolute;bottom:0;border-radius:50%;background:var(--primary-soft);opacity:0;animation:particleFloat 4s ease-in infinite;pointer-events:none}.footer-emoji{position:absolute;bottom:-20px;opacity:0;pointer-events:none;animation:emojiFloat 8s ease-in infinite;z-index:0}@keyframes emojiFloat{0%{transform:translateY(0) rotate(0);opacity:0}10%{opacity:.35}90%{opacity:.3}to{transform:translateY(-200px) rotate(30deg);opacity:0}}@keyframes particleFloat{0%{transform:translateY(0) scale(0);opacity:0}20%{opacity:.6}80%{opacity:.6}to{transform:translateY(-60vh) scale(1.5);opacity:0}}@keyframes footerShine{0%{background-position:-50% 50%}to{background-position:150% 50%}}.footer-title{background-size:200% 100%;animation:footerShine 3s ease-in-out infinite}@media(max-width:768px){.hero-title{font-size:clamp(2.5rem,10vw,5rem);line-height:1.1}.hero-slogan{font-size:clamp(.95rem,4vw,1.15rem)}.hero-cta{width:100%}.btn{flex:1;justify-content:center}.about-grid{grid-template-columns:1fr;justify-items:center;text-align:center;gap:1.5rem}.about-text p{text-align:left}.about-avatar{max-width:200px}.skills-tags{gap:.5rem}.skill-tag{font-size:.85rem;padding:.4rem .85rem}.skills-stats{grid-template-columns:1fr;max-width:100%}.projects-track-wrapper{overflow:visible;cursor:default}.projects-track-wrapper:active{cursor:default}.projects-track{flex-direction:column;gap:1rem;will-change:auto}.projects-track .project-card{min-width:100%;flex-shrink:1}.project-card.expanded{top:2vh;left:2vw;width:96vw;height:96vh}.polaroid{width:clamp(120px,36vw,180px);padding:8px 8px 10px}.polaroid-caption{font-size:.8rem;margin-top:6px}.photos-wall{gap:.75rem}.contact-icon{min-width:80px;padding:1rem .75rem;font-size:.85rem}.activity-heatmap{justify-content:flex-start;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;padding-bottom:.5rem}}@media(max-width:380px){.hero-title{font-size:clamp(2rem,11vw,3.5rem)}}