:root{--bg-color:#ffffff;--text-color:#1a1a1a;--text-color-light:#666;--border-color:#e0e0e0;--accent-color:#6366f1;--accent-hover:#4f46e5;--section-bg:#fafafa}[data-theme=dark]{--bg-color:#1a1a1a;--text-color:#e0e0e0;--text-color-light:#999;--border-color:#333;--accent-color:#818cf8;--accent-hover:#a78bfa;--section-bg:#222}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Georgia,times new roman,Times,serif;line-height:1.6;color:var(--text-color);background-color:var(--bg-color);transition:background-color .3s ease,color .3s ease}h1,h2,h3,h4,h5,h6{font-family:poppins,-apple-system,BlinkMacSystemFont,segoe ui,Roboto,helvetica neue,Arial,sans-serif;font-weight:600;letter-spacing:-.01em}.navbar{position:fixed;top:0;left:0;right:0;background:var(--bg-color);border-bottom:1px solid var(--border-color);padding:1rem 0;z-index:1000;backdrop-filter:blur(10px);background:rgba(255,255,255,.9);transition:background-color .3s ease}[data-theme=dark] .navbar{background:rgba(26,26,26,.9)}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:1.75rem;font-weight:700;color:var(--text-color);text-decoration:none;transition:color .2s ease}.nav-brand:hover{color:var(--accent-color)}.nav-title-full{display:inline}.nav-title-short{display:none}.nav-title-suffix{display:inline}@media(max-width:768px){.nav-title-suffix{display:none}}@media(max-width:480px){.nav-title-full{display:none}.nav-title-short{display:inline}.nav-title-suffix{display:none}}.nav-links{display:flex;gap:2rem;align-items:center}.nav-links a{color:var(--text-color);text-decoration:none;font-weight:500;transition:color .2s ease;position:relative}.nav-links a:hover{color:var(--accent-color)}.nav-links a::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--accent-color);transition:width .3s ease}.nav-links a:hover::after{width:100%}.theme-toggle{background:0 0;border:1px solid var(--border-color);border-radius:50%;width:2.5rem;height:2.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;position:relative;color:var(--text-color)}.theme-toggle:hover{background:var(--section-bg);border-color:var(--accent-color);color:var(--accent-color)}.theme-icon{width:20px;height:20px;transition:all .3s ease}.theme-icon-sun{display:block}.theme-icon-moon{display:none}[data-theme=dark] .theme-icon-sun{display:none}[data-theme=dark] .theme-icon-moon{display:block}.single-page{margin-top:70px}.section{min-height:auto;padding:3rem 0;display:flex;align-items:center}.about-section{min-height:100vh;padding:2rem 0;display:flex;align-items:center;justify-content:center}.section:nth-child(even){background:var(--section-bg)}.container{max-width:900px;margin:0 auto;padding:0 2rem;width:100%}.section-title{font-size:3rem;font-weight:700;margin-bottom:2rem;color:var(--text-color);text-align:center}.about-section .section-title{margin-bottom:1.5rem}.about-content{max-width:900px;margin:0 auto;text-align:left}.about-main{display:flex;align-items:center;gap:2.5rem;margin-bottom:2rem}.about-photo-section{flex-shrink:0;margin:0;display:flex;flex-direction:column;align-items:center;gap:1rem}.about-photo{margin:0}.institution-logos{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.5rem}.institution-logo{height:90px;width:auto;opacity:.8;transition:opacity .2s ease}.institution-logo:hover{opacity:1}.institution-label{font-size:.85rem;color:var(--text-color-light);text-align:center;line-height:1.4;font-weight:500}.profile-image{width:180px;height:auto;border-radius:12px;object-fit:cover;border:3px solid var(--accent-color);box-shadow:0 4px 6px rgba(0,0,0,.1)}.about-main .content,.about-main .description{flex:1;margin:0;font-size:1.05rem;line-height:1.7}.about-main .content p{font-size:1.05rem;line-height:1.7}@media(max-width:768px){.about-main{flex-direction:column;align-items:center;gap:1.5rem}.about-photo{text-align:center}.profile-image{width:200px}.about-main .content,.about-main .description{text-align:center}.institution-logo{height:75px}}.about-content h2{font-size:2rem;margin-bottom:1rem;color:var(--text-color)}.bio{font-size:1.25rem;color:var(--text-color-light);margin-bottom:2rem}.description{font-size:1.1rem;line-height:1.8;color:var(--text-color);margin-bottom:1.5rem}.social-links{display:flex;gap:1.5rem;justify-content:flex-start;align-items:center;margin-top:1.5rem;flex-wrap:wrap}.hobbies-arrow-container{display:flex;align-items:center;gap:.5rem;margin-top:1rem;margin-bottom:.5rem}.hobbies-arrow-text{font-size:.9rem;color:var(--text-color-light);font-style:italic}.hobbies-arrow{font-size:1.2rem;color:var(--accent-color);animation:arrow-bounce 2s ease-in-out infinite}@keyframes arrow-bounce{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}.social-link{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--section-bg);color:var(--text-color);text-decoration:none;transition:all .3s ease;border:1px solid var(--border-color)}.social-link:hover{background:var(--accent-color);color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.15);border-color:var(--accent-color)}.social-link svg{width:20px;height:20px}.sparkle-icon{font-size:1.2rem;display:block;line-height:1}.sparkle-toggle{cursor:pointer;background:#1a4d3a!important;color:#fff!important;border-color:#1a4d3a!important}.sparkle-toggle:hover{background:#2d6a4f!important;border-color:#2d6a4f!important}.sparkle-toggle.active{background:#2d6a4f!important;border-color:#2d6a4f!important}.hobbies-section{margin-top:2rem;padding:2rem;background:var(--section-bg);border-radius:12px;border:1px solid var(--border-color);overflow:hidden}.hobbies-content h3{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--text-color)}.hobbies-description{font-size:1rem;line-height:1.7;color:var(--text-color);margin-bottom:1.5rem}.hobbies-content{text-align:center;max-width:800px;margin:0 auto}.hobby-photo{margin-top:2rem}.hobby-photo img{width:100%;max-width:600px;height:auto;border-radius:12px;object-fit:cover;border:3px solid var(--accent-color);box-shadow:0 4px 6px rgba(0,0,0,.1)}.projects-section{margin-top:2rem;width:100%;max-width:800px;margin-left:auto;margin-right:auto}.projects-section h3{font-size:1.75rem;font-weight:600;color:var(--text-color);margin-bottom:1.5rem;text-align:left;font-family:poppins,-apple-system,BlinkMacSystemFont,segoe ui,Roboto,helvetica neue,Arial,sans-serif}.project-item{margin-bottom:1rem;border:1px solid var(--border-color);border-radius:8px;overflow:hidden;background:var(--bg-color);transition:box-shadow .2s ease}.project-item:hover{box-shadow:0 2px 8px rgba(0,0,0,.1)}.project-toggle{width:100%;padding:1rem 1.5rem;background:var(--bg-color);border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:1.1rem;font-weight:600;color:var(--text-color);transition:background-color .2s ease;font-family:poppins,-apple-system,BlinkMacSystemFont,segoe ui,Roboto,helvetica neue,Arial,sans-serif}.project-thumbnail{flex-shrink:0;width:70px;height:70px;border-radius:6px;overflow:hidden;border:1px solid var(--border-color);background:var(--section-bg);display:flex;align-items:center;justify-content:center}.project-thumbnail img{width:100%;height:100%;object-fit:cover;display:block}.project-toggle:hover{background:var(--section-bg)}.project-header-content{flex:1;display:flex;flex-direction:column;gap:.25rem}.project-title{font-size:1.1rem;font-weight:600;color:var(--text-color)}.project-collaborator-subtitle{font-size:.85rem;font-weight:400;color:var(--text-color-light);font-style:italic}.project-collaborator-subtitle a{color:var(--accent-color);text-decoration:none;transition:color .2s ease}.project-collaborator-subtitle a:hover{color:var(--accent-hover);text-decoration:underline}.project-arrow{font-size:.8rem;color:var(--accent-color);transition:transform .3s ease}.project-toggle[aria-expanded=true] .project-arrow{transform:rotate(180deg)}.project-content{padding:0 1.5rem 1.5rem;animation:slideDown .3s ease-out}.project-description{margin-bottom:1rem;line-height:1.7;color:var(--text-color);font-size:1.05rem}.project-images{margin-top:1rem;display:flex;flex-direction:column;gap:1rem}.project-image{text-align:center}.project-image img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--border-color);box-shadow:0 2px 4px rgba(0,0,0,.1)}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{from{opacity:0;max-height:0;transform:translateY(-10px)}to{opacity:1;max-height:2e3px;transform:translateY(0)}}@keyframes slideUp{from{opacity:1;max-height:2e3px;transform:translateY(0)}to{opacity:0;max-height:0;transform:translateY(-10px)}}.experience-list{display:flex;flex-direction:column;gap:2.5rem}.experience-item{padding:2rem;background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;transition:transform .2s ease,box-shadow .2s ease}.experience-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}[data-theme=dark] .experience-item:hover{box-shadow:0 4px 12px rgba(255,255,255,.1)}.experience-header{display:flex;flex-wrap:wrap;gap:1rem;align-items:baseline;margin-bottom:1rem}.experience-header h3{font-size:1.5rem;font-weight:600;color:var(--text-color);flex:1 1 100%}.experience-company{font-size:1.1rem;font-weight:500;color:var(--accent-color)}.experience-date{font-size:.9rem;color:var(--text-color-light);margin-left:auto}.experience-location{color:var(--text-color-light);font-size:.95rem;margin-bottom:1rem}.experience-description{line-height:1.7;color:var(--text-color)}.experience-description ul{margin-left:1.5rem;margin-top:.5rem}.experience-description li{margin-bottom:.5rem}.news-list{max-width:800px;margin:0 auto}.news-list ul{list-style:none;padding:0;margin:0}.news-item{padding:.5rem 0;line-height:1.8;color:var(--text-color);list-style:disc;margin-left:1.5rem;padding-left:.5rem}.news-more{margin-top:.5rem;max-height:250px;overflow-y:auto;padding-right:1rem;scrollbar-width:thin;scrollbar-color:var(--border-color)transparent}.news-more::-webkit-scrollbar{width:6px}.news-more::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:10px}.news-toggle-btn{margin-top:1.5rem;display:block;margin-left:auto;margin-right:auto;padding:.6rem 1.5rem;background:var(--bg-color);color:var(--accent-color);border:1px solid var(--accent-color);border-radius:20px;font-weight:600;cursor:pointer;transition:all .2s ease;font-family:inherit}.news-toggle-btn:hover{background:var(--accent-color);color:#fff;transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.1)}.news-date{font-weight:600;color:var(--accent-color);margin-right:.5rem}.publications-list{max-width:900px;margin:0 auto}.publications-list ol{padding-left:0;list-style:none}.publication-item{padding:1rem 0;border-bottom:1px solid var(--border-color);position:relative}.publication-item:last-child{border-bottom:none}.publication-content{display:flex;flex-direction:column;gap:.5rem;line-height:1.7}.publication-authors{color:var(--text-color);font-style:italic}.publication-title{color:var(--text-color);font-weight:600;font-size:1.05rem}.publication-journal{color:var(--text-color-light)}.publication-year{color:var(--text-color-light)}.publication-link{color:var(--accent-color);text-decoration:none;font-size:.9rem;transition:color .2s ease}.publication-link:hover{color:var(--accent-hover);text-decoration:underline}.footer{padding:2rem 0;text-align:center;border-top:1px solid var(--border-color);color:var(--text-color-light);font-size:.9rem}@media(max-width:768px){.nav-container{padding:0 1rem}.nav-links{gap:1rem}.section-title{font-size:2rem}.container{padding:0 1rem}.experience-header{flex-direction:column}.experience-date{margin-left:0}.publication-item{}.news-item{padding:1rem 0}.project-thumbnail{width:60px;height:60px}.project-toggle{gap:.75rem;padding:.875rem 1rem}}