.header{background:var(--bg-secondary);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100;border-bottom:2px solid transparent;background-image:linear-gradient(white,white),linear-gradient(90deg,var(--primary-color),var(--secondary-color));background-origin:border-box;background-clip:padding-box,border-box}.header-container{max-width:1400px;margin:0 auto;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:2rem}.logo{text-decoration:none;transition:transform var(--transition-base)}.logo:hover{transform:scale(1.05)}.logo-text{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.nav{display:flex;align-items:center;gap:2rem;flex:1;justify-content:flex-end}.nav-links{display:flex;gap:.5rem}.nav-link{padding:.5rem 1rem;border-radius:var(--radius-md);color:var(--text-secondary);font-weight:500;transition:all var(--transition-base);position:relative}.nav-link:hover,.nav-link.active{color:var(--primary-color);background-color:#6366f11a}.nav-link.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:60%;height:2px;background:var(--primary-color);border-radius:2px}.external-links{display:flex;gap:.75rem;align-items:center;padding-left:1.5rem;border-left:1px solid rgba(0,0,0,.1)}.external-link{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem 1rem;font-size:.875rem;color:#fff;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border:none;border-radius:var(--radius-md);transition:all var(--transition-base);font-weight:600;box-shadow:var(--shadow-sm)}.external-link:hover{transform:translateY(-2px);box-shadow:0 6px 12px #6366f14d}.external-link svg{flex-shrink:0}.lang-switch{padding:.5rem .75rem;font-size:.875rem;color:var(--text-secondary);background:white;border:2px solid var(--primary-color);border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-base);min-width:2.5rem;text-align:center}.lang-switch:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px #6366f14d}.lang-switch:active{transform:translateY(0)}@media (max-width: 1024px){.header-container{flex-direction:column;gap:1rem;padding:1rem}.nav{width:100%;flex-direction:column;gap:1rem}.nav-links{width:100%;justify-content:center;flex-wrap:wrap}.external-links{padding-left:0;border-left:none;border-top:1px solid rgba(0,0,0,.1);padding-top:1rem;width:100%;justify-content:center;flex-wrap:wrap}}@media (max-width: 640px){.logo-text{font-size:1.25rem}.nav-link{padding:.375rem .75rem;font-size:.875rem}.external-link{padding:.375rem .75rem;font-size:.8125rem;gap:.25rem}.external-link svg{width:14px;height:14px}}.footer{background:linear-gradient(135deg,#1f2937 0%,#111827 100%);color:#e5e7eb;margin-top:auto;padding:3rem 0 1.5rem}.footer-container{max-width:1400px;margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:3rem;margin-bottom:2rem}.footer-section{animation:fadeIn .8s ease-out}.footer-title{font-size:1.25rem;font-weight:700;margin-bottom:1.5rem;color:#f9fafb;position:relative;display:inline-block}.footer-title:after{content:"";position:absolute;bottom:-.5rem;left:0;width:50%;height:3px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));border-radius:2px}.footer-content{display:flex;flex-direction:column;gap:1rem}.footer-link{display:flex;align-items:center;gap:.75rem;color:#d1d5db;transition:all var(--transition-base);padding:.5rem;border-radius:var(--radius-md);width:fit-content}.footer-link:hover{color:var(--primary-color);transform:translate(5px);background-color:#6366f11a}.footer-link .icon{font-size:1.25rem}.social-links{flex-direction:row;flex-wrap:wrap;gap:1rem}.social-link{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);background-color:#ffffff1a;color:#e5e7eb;transition:all var(--transition-base);position:relative;overflow:hidden}.social-link:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));opacity:0;transition:opacity var(--transition-base)}.social-link:hover:before{opacity:1}.social-link svg,.social-link .xhs-icon{position:relative;z-index:1;transition:transform var(--transition-base)}.social-link:hover svg,.social-link:hover .xhs-icon{transform:scale(1.1) rotate(5deg)}.social-link:hover{transform:translateY(-5px);box-shadow:0 10px 20px #6366f14d}.xhs-icon{font-size:.75rem;font-weight:700;white-space:nowrap}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);color:#9ca3af;font-size:.875rem}@media (max-width: 768px){.footer{padding:2rem 0 1rem}.footer-container{grid-template-columns:1fr;gap:2rem;padding:0 1rem}.social-link{width:44px;height:44px}}.home-page{display:flex;flex-direction:column}.hero-section{padding:2rem 0}.hero-content{display:grid;grid-template-columns:300px 1fr;gap:3rem;align-items:center}.profile-image-container{position:relative;animation:fadeIn .8s ease-out}.profile-image{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);transition:transform var(--transition-slow);border:4px solid transparent;background-image:linear-gradient(white,white),linear-gradient(135deg,var(--primary-color),var(--secondary-color));background-origin:border-box;background-clip:padding-box,border-box}.profile-image:hover{transform:scale(1.05) rotate(2deg);box-shadow:0 25px 50px -12px #6366f140}.hero-text{animation:slideInRight .8s ease-out}.hero-title{font-size:2.5rem;font-weight:800;margin-bottom:1.5rem;line-height:1.2;color:var(--text-primary)}.highlight{display:inline-block;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-left:.5rem;animation:float 3s ease-in-out infinite}.hero-description{font-size:1.125rem;line-height:1.8;color:var(--text-secondary);margin-bottom:2rem;max-width:600px}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn svg{flex-shrink:0}.btn{padding:.875rem 2rem;border-radius:var(--radius-lg);font-weight:600;font-size:1rem;transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 30px #6366f166}.skills-section{padding:2rem 0}.section-title{font-size:2rem;font-weight:700;margin-bottom:2.5rem;text-align:center;color:var(--text-primary);position:relative;display:inline-block;left:50%;transform:translate(-50%)}.section-title:after{content:"";position:absolute;bottom:-.75rem;left:50%;transform:translate(-50%);width:80px;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));border-radius:2px}.skills-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:1.25rem;margin-top:3rem}.skill-card{width:160px;padding:1.5rem 1rem;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;font-weight:600;font-size:1rem;box-shadow:var(--shadow-md);transition:all var(--transition-base);animation:scaleIn .5s ease-out backwards;position:relative;overflow:hidden;cursor:pointer}.skill-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(255,255,255,.2);opacity:0;transition:opacity var(--transition-base)}.skill-card:hover:before{opacity:1}.skill-card:hover{transform:translateY(-8px) rotate(2deg);box-shadow:var(--shadow-xl)}.skill-name{position:relative;z-index:1;text-shadow:0 2px 4px rgba(0,0,0,.1)}@media (max-width: 1024px){.hero-content{grid-template-columns:250px 1fr;gap:2rem}.hero-title{font-size:2rem}.skill-card{width:140px}.skills-grid{gap:1rem}.github-card{flex-direction:column;text-align:center}.github-link{width:100%;justify-content:center}}@media (max-width: 768px){.hero-content{grid-template-columns:1fr;text-align:center}.profile-image-container{max-width:250px;margin:0 auto}.hero-title{font-size:1.75rem}.highlight{display:block;margin-left:0;margin-top:.5rem}.hero-description{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.btn{font-size:.9375rem;padding:.75rem 1.5rem}.skill-card{width:120px;padding:1.25rem .75rem;font-size:.9rem}}@media (max-width: 480px){.home-page{gap:3rem}.hero-actions{flex-direction:column;width:100%}.btn{width:100%;justify-content:center}.skill-card{width:calc(50% - .625rem)}}.about-page{animation:fadeIn .6s ease-out}.cv-container{background:var(--bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:2rem;animation:scaleIn .6s ease-out}.cv-viewer{width:100%;height:80vh;min-height:600px;border-radius:var(--radius-lg);overflow:hidden;background:#f3f4f6;margin-bottom:1.5rem}.pdf-iframe{width:100%;height:100%;border:none}.cv-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.download-btn,.open-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:var(--radius-lg);font-weight:600;font-size:1rem;transition:all var(--transition-base);text-decoration:none;cursor:pointer}.download-btn{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:var(--shadow-md)}.download-btn:hover{transform:translateY(-3px);box-shadow:0 15px 30px #6366f166}.open-btn{background:white;color:var(--primary-color);border:2px solid var(--primary-color)}.open-btn:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px);box-shadow:var(--shadow-md)}.download-btn svg,.open-btn svg{flex-shrink:0}@media (max-width: 768px){.cv-container{padding:1.5rem}.cv-viewer{height:70vh;min-height:500px}.cv-actions{flex-direction:column}.download-btn,.open-btn{width:100%;justify-content:center}}@media (max-width: 480px){.cv-container{padding:1rem}.cv-viewer{height:60vh;min-height:400px}}.education-page{animation:fadeIn .6s ease-out}.timeline{position:relative;max-width:900px;margin:3rem auto;padding-left:2rem}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--primary-color),var(--secondary-color));border-radius:2px}.timeline-item{position:relative;margin-bottom:3rem;animation:fadeIn .6s ease-out backwards}.timeline-item:last-child{margin-bottom:0}.timeline-marker{position:absolute;left:-2rem;top:1.5rem;transform:translate(-50%);z-index:2}.marker-dot{width:20px;height:20px;border-radius:50%;background:white;border:4px solid var(--primary-color);box-shadow:0 0 0 4px #6366f133;transition:all var(--transition-base)}.timeline-item:hover .marker-dot{transform:scale(1.3);border-color:var(--secondary-color);box-shadow:0 0 0 6px #6366f14d}.timeline-content{margin-left:2rem}.education-card{background:var(--bg-card);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-md);transition:all var(--transition-base);display:flex;gap:2rem;align-items:center;border:2px solid transparent}.education-card:hover{transform:translate(10px);box-shadow:var(--shadow-xl);border-color:#6366f133}.card-logo{flex-shrink:0;width:120px;height:120px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#cbd5e1 0%,#94a3b8 100%);border-radius:var(--radius-lg);padding:1rem;transition:all var(--transition-base);border:1px solid rgba(0,0,0,.1)}.card-logo img{max-width:100%;max-height:100%;object-fit:contain;transition:transform var(--transition-base)}.education-card:hover .card-logo{background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(59,130,246,.25));border-color:#6366f14d;transform:scale(1.05)}.education-card:hover .card-logo img{transform:scale(1.1)}.card-info{flex:1}.school-name{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem;line-height:1.3}.department{font-size:1.125rem;color:var(--text-secondary);margin-bottom:.75rem;font-weight:500}.period{display:flex;align-items:center;gap:.5rem;font-size:1rem;color:var(--text-light);font-weight:500}.period svg{flex-shrink:0;color:var(--primary-color)}@media (max-width: 768px){.timeline{padding-left:1.5rem;margin:2rem 0}.timeline-marker{left:-1.5rem;top:1rem}.marker-dot{width:16px;height:16px;border-width:3px}.timeline-content{margin-left:1.5rem}.education-card{flex-direction:column;text-align:center;padding:1.5rem;gap:1.5rem}.education-card:hover{transform:translateY(-5px)}.card-logo{width:100px;height:100px;margin:0 auto}.school-name{font-size:1.25rem}.department{font-size:1rem}.period{justify-content:center;font-size:.9rem}}@media (max-width: 480px){.timeline{padding-left:1rem}.timeline:before{width:2px}.timeline-marker{left:-1rem}.marker-dot{width:14px;height:14px;border-width:2px}.timeline-content{margin-left:1rem}.education-card{padding:1.25rem}.card-logo{width:80px;height:80px}.school-name{font-size:1.125rem}}.experience-page{animation:fadeIn .6s ease-out}.experience-sections{display:flex;flex-direction:column;gap:3rem;margin-bottom:4rem}.experience-section{animation:fadeIn .6s ease-out backwards}.section-heading{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:1.5rem;position:relative;padding-left:1.5rem}.section-heading:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:80%;background:linear-gradient(180deg,var(--primary-color),var(--secondary-color));border-radius:3px}.experience-list{display:grid;gap:1rem}.experience-item{background:var(--bg-card);border-radius:var(--radius-lg);padding:1.5rem;display:flex;align-items:flex-start;gap:1rem;box-shadow:var(--shadow-sm);transition:all var(--transition-base);border:2px solid transparent;animation:slideInLeft .6s ease-out backwards}.experience-item:hover{transform:translate(10px);box-shadow:var(--shadow-md);border-color:#6366f133;background:linear-gradient(135deg,rgba(99,102,241,.05),rgba(59,130,246,.05))}.item-icon{flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:var(--radius-md);transition:transform var(--transition-base)}.experience-item:hover .item-icon{transform:scale(1.1) rotate(5deg)}.item-text{flex:1;font-size:1.0625rem;line-height:1.6;color:var(--text-secondary);font-weight:500}@media (max-width: 1024px){.section-heading{font-size:1.5rem}}@media (max-width: 768px){.experience-sections{gap:2.5rem}.section-heading{font-size:1.375rem}.experience-item{padding:1.25rem}.experience-item:hover{transform:translateY(-5px)}.item-text{font-size:1rem}}@media (max-width: 480px){.experience-sections{gap:2rem}.section-heading{font-size:1.25rem;padding-left:1rem}.section-heading:before{width:4px}.experience-item{padding:1rem;gap:.75rem}.item-icon{width:28px;height:28px}.item-icon svg{width:16px;height:16px}.item-text{font-size:.9375rem}}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2rem 1.5rem;animation:fadeIn .6s ease-out}@media (max-width: 768px){.main-content{padding:1.5rem 1rem}}.page-container{animation:fadeIn .6s ease-out}.page-title{font-size:2.5rem;font-weight:700;margin-bottom:2rem;color:var(--text-primary);position:relative;display:inline-block}.page-title:after{content:"";position:absolute;bottom:-.5rem;left:0;width:60%;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));border-radius:2px}@media (max-width: 768px){.page-title{font-size:2rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--secondary-color: #3b82f6;--accent-color: #8b5cf6;--bg-primary: #fafbfc;--bg-secondary: #ffffff;--bg-card: #ffffff;--text-primary: #1f2937;--text-secondary: #6b7280;--text-light: #9ca3af;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--transition-fast: .15s ease-in-out;--transition-base: .25s ease-in-out;--transition-slow: .35s ease-in-out}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,Microsoft JhengHei,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button{cursor:pointer;border:none;background:none;font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.fade-in{animation:fadeIn .6s ease-out}.slide-in-left{animation:slideInLeft .6s ease-out}.slide-in-right{animation:slideInRight .6s ease-out}.scale-in{animation:scaleIn .6s ease-out}