:root{--color-accent-red: #8B2C2C;--color-accent-gold: #D4AF37;--color-background: #FAFAF9;--color-text: #333333;--color-text-light: #666666;--font-heading: "Playfair Display", serif;--font-body: "Inter", sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem;--transition-fast: .2s ease;--transition-normal: .3s ease}body{background-color:var(--color-background);color:var(--color-text);font-family:var(--font-body);line-height:1.6;margin:0;padding:0}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);margin:0;color:var(--color-text)}.site-header{padding:var(--spacing-xl) 0 var(--spacing-md) 0;text-align:center}.site-title{font-size:2.5rem;margin-bottom:var(--spacing-xs)}.site-subtitle{color:var(--color-text-light);font-size:1.2rem;margin-bottom:var(--spacing-lg)}.nav-tabs{display:flex;justify-content:center;gap:var(--spacing-lg);padding:var(--spacing-md) 0 var(--spacing-md) 0;border-bottom:1px solid rgba(0,0,0,.07);background:none}.nav-tab{background:none;border:none;outline:none;font-family:var(--font-body);font-size:1.1rem;color:var(--color-text);text-decoration:none;padding:var(--spacing-sm) var(--spacing-md) 0 var(--spacing-md);position:relative;cursor:pointer;transition:color var(--transition-normal);box-shadow:none}.nav-tab:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background-color:var(--color-accent-red);border-radius:1px;width:0;transition:width var(--transition-normal),background-color var(--transition-normal)}.nav-tab:hover:after{width:100%;background-color:var(--color-accent-gold)}.nav-tab.active:after{width:100%;background-color:var(--color-accent-red)}.nav-tab.active{color:var(--color-accent-red)}.nav-tab:focus{outline:none}.app{max-width:900px;margin:0 auto;padding-top:var(--spacing-lg)}.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-lg);padding:0;justify-items:center}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-lg);padding:var(--spacing-lg) 0;max-width:900px;margin:0 auto}.project-card{background:#fff;border-radius:12px;padding:var(--spacing-lg) var(--spacing-xl);box-shadow:0 2px 12px #8b2c2c0f;transition:var(--transition-normal);text-align:left;min-width:260px;max-width:400px}.project-card:hover{transform:translateY(-6px) scale(1.025);box-shadow:0 8px 24px #8b2c2c21}.project-image{width:100%;height:180px;overflow:hidden;border-radius:8px;margin-bottom:var(--spacing-md)}.project-image img{width:100%;height:100%;object-fit:cover}.project-video{width:100%;height:200px;border-radius:8px;margin-bottom:var(--spacing-md);overflow:hidden}.project-video iframe,.project-video video{width:100%;height:100%;border-radius:8px}.project-pdf{width:100%;height:250px;border-radius:8px;margin-bottom:var(--spacing-md);overflow:hidden}.project-pdf iframe{width:100%;height:100%;border-radius:8px}.project-iframe{width:100%;height:250px;border-radius:8px;margin-bottom:var(--spacing-md);overflow:hidden}.project-iframe iframe{width:100%;height:100%;border-radius:8px}.project-content{display:flex;flex-direction:column;gap:var(--spacing-sm)}.project-name{color:var(--color-accent-red);font-size:1.3rem;margin-bottom:var(--spacing-xs);border-bottom:2px solid var(--color-accent-gold);display:inline-block;padding-bottom:2px}.project-description{color:var(--color-text);font-size:1rem;line-height:1.6;margin:0}.project-technologies{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-sm)}.project-links{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-sm)}.technologies{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin:var(--spacing-md) 0 0 0}.tech-tag{background-color:var(--color-background);padding:var(--spacing-xs) var(--spacing-sm);border-radius:4px;font-size:.9rem;color:var(--color-text-light);border:1px solid #eee}.project-link{display:inline-block;color:var(--color-accent-red);text-decoration:none;font-weight:500;transition:color var(--transition-normal)}.project-link:hover{color:var(--color-accent-gold)}.journal-list{max-width:800px;margin:0 auto;padding:0;margin-top:var(--spacing-lg)}.journal-card{background:#fff;border-radius:14px;box-shadow:0 4px 24px #8b2c2c12,0 1.5px 6px #0000000a;border-left:5px solid var(--color-accent-gold);padding:1.5rem 2rem 1.2rem 1.5rem;margin-bottom:var(--spacing-lg);transition:box-shadow .2s,transform .2s;position:relative}.journal-card:hover{box-shadow:0 8px 32px #8b2c2c21,0 2px 8px #0000000f;transform:translateY(-2px) scale(1.01)}.journal-card-header{display:flex;align-items:center;gap:.5em;margin-bottom:.2em}.journal-title{font-size:1.15rem;font-family:var(--font-heading);font-weight:600;margin:0;color:var(--color-accent-red)}.journal-date{color:var(--color-text-light);font-size:.98rem;margin-bottom:.2em}.journal-excerpt{color:var(--color-text-light);font-size:1.01rem;margin-top:.2em;font-style:italic;line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-normal)}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.slide-in{animation:slideIn var(--transition-normal)}@media (max-width: 768px){.site-title{font-size:2rem}.portfolio-grid{grid-template-columns:1fr}.nav-tabs{gap:var(--spacing-md)}.project-card{padding:var(--spacing-lg)}}.social-links{display:flex;justify-content:center;gap:1.5rem;margin-top:.5rem;margin-bottom:.5rem}.social-links a{color:var(--color-text-light);transition:color var(--transition-normal);display:inline-flex;align-items:center;opacity:.85}.social-links a:hover{color:var(--color-accent-gold);opacity:1}.social-links svg{display:block;width:1.6rem;height:1.6rem}.site-footer{border-top:1px solid rgba(0,0,0,.06);margin-top:var(--spacing-xl);padding:var(--spacing-lg) 0 var(--spacing-md) 0;text-align:center;background:none}.footer-note{color:var(--color-text-light);font-size:1rem;margin-top:.7rem;letter-spacing:.01em;opacity:.85}.intro-box{display:inline-block;background:#d4af3712;border:1px solid rgba(139,44,44,.08);border-radius:12px;padding:1.1rem 2rem;margin-bottom:var(--spacing-lg);color:var(--color-text-light);font-size:1.08rem;font-family:var(--font-body);box-shadow:0 4px 24px #8b2c2c1a,0 1.5px 6px #0000000a;text-align:center;line-height:1.7;max-width:480px;margin-left:auto;margin-right:auto}.timeline{position:relative;margin:0 auto;padding:var(--spacing-lg) 0;max-width:700px}.timeline-item{display:flex;align-items:flex-start;position:relative;margin-bottom:var(--spacing-xl);gap:1.2rem}.timeline-dot{flex-shrink:0;width:16px;height:16px;background:var(--color-accent-gold);border-radius:50%;margin-right:.5rem;margin-top:25px;box-shadow:0 2px 8px #d4af371f;border:2.5px solid var(--color-background);z-index:1}.timeline-logo{width:60px;height:60px;object-fit:contain;border-radius:8px;margin-right:.5rem;background:#fff;box-shadow:0 1px 4px #8b2c2c12;vertical-align:middle;border:1px solid #f3e7c9;flex-shrink:0;margin-top:2px}.timeline-content{background:#fff;border-radius:10px;box-shadow:0 2px 12px #8b2c2c0f;padding:var(--spacing-lg) var(--spacing-xl);min-width:0;flex:1;position:relative}.timeline-header{display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-sm);position:relative;padding-right:110px}.timeline-row{display:flex;align-items:center;width:100%}.timeline-company-row{justify-content:space-between;align-items:center;gap:var(--spacing-md);margin-bottom:.5em}.timeline-role-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:.2em}.timeline-role{font-family:var(--font-heading);font-weight:700;color:var(--color-accent-red);font-size:1.22rem;letter-spacing:.01em}.timeline-company a,.timeline-company{font-weight:600;color:var(--color-accent-red);font-weight:500;text-decoration:none;font-size:1.05rem}.timeline-date{color:var(--color-text-light);font-size:.98rem;white-space:nowrap;margin-left:1.5em}.timeline-desc{margin:.5em 0 0 1.5em;padding-left:1.1em;color:var(--color-text);font-size:1rem;line-height:1.7}.timeline-skills{margin-top:var(--spacing-sm);display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.timeline:before{content:"";position:absolute;left:7px;top:0;width:2.5px;height:100%;background:linear-gradient(to bottom,var(--color-accent-gold) 0%,#f3e7c9 100%);z-index:0;border-radius:2px}@media (max-width: 768px){.timeline-content{padding:var(--spacing-lg)}.timeline{padding:var(--spacing-md) 0}.timeline-item{margin-bottom:var(--spacing-lg)}}@media (max-width: 600px){.timeline-header{padding-right:0}.timeline-date{position:static;display:block;margin-left:0;margin-top:.2em;white-space:normal}}.profile-img{display:block;margin:1.2rem auto;width:200px;height:200px;object-fit:cover;border-radius:12px;box-shadow:0 4px 24px #8b2c2c1a,0 1.5px 6px #0000000a;border:2.5px solid #fffbe6}.about-me-section{max-width:700px;margin:0 auto;background:#fff;border-radius:14px;box-shadow:0 4px 24px #8b2c2c12,0 1.5px 6px #0000000a;padding:2.5rem 2.5rem 2rem;margin-top:var(--spacing-lg);margin-bottom:var(--spacing-lg);text-align:left}.about-me-title{font-family:var(--font-heading);color:var(--color-accent-red);font-size:1.5rem;margin-bottom:1.2rem}.about-me-text{font-size:1.13rem;color:var(--color-text);line-height:1.8;margin:0}.lang-toggle{color:var(--color-accent-red);cursor:pointer;text-decoration:none;border:none;background:none;font:inherit;padding:0 .2em;transition:color .2s;outline:none}.lang-toggle:hover,.lang-toggle.lang-zh{color:var(--color-accent-gold)}.experience-container{max-width:900px;margin:0 auto}.experience-section{margin-bottom:var(--spacing-xl)}.section-title{font-family:var(--font-heading);color:var(--color-accent-red);font-size:1.8rem;margin-bottom:var(--spacing-lg);text-align:center}.skills-section{max-width:800px;margin:var(--spacing-lg) auto;display:flex;flex-direction:column;gap:var(--spacing-lg)}.skills-category{background:#fff;border-radius:14px;box-shadow:0 4px 24px #8b2c2c12,0 1.5px 6px #0000000a;padding:1.5rem 2rem}.skills-category-title{font-family:var(--font-heading);color:var(--color-accent-red);font-size:1.3rem;margin-bottom:var(--spacing-md);border-bottom:2px solid var(--color-accent-gold);display:inline-block;padding-bottom:4px}.skills-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.skill-tag{background-color:var(--color-background);padding:.5rem 1rem;border-radius:6px;font-size:.95rem;color:var(--color-text);border:1.5px solid rgba(139,44,44,.15);transition:all var(--transition-normal)}.skill-tag:hover{border-color:var(--color-accent-gold);transform:translateY(-2px);box-shadow:0 4px 8px #8b2c2c1a}.coursework-section{max-width:800px;margin:var(--spacing-lg) auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg)}.coursework-category{background:#fff;border-radius:14px;box-shadow:0 4px 24px #8b2c2c12,0 1.5px 6px #0000000a;padding:1.5rem 2rem}.coursework-category-title{font-family:var(--font-heading);color:var(--color-accent-red);font-size:1.2rem;margin-bottom:var(--spacing-md);border-bottom:2px solid var(--color-accent-gold);display:inline-block;padding-bottom:4px}.coursework-list{list-style:none;padding:0;margin:0}.coursework-list li{padding:.5rem 0;color:var(--color-text);font-size:.95rem;line-height:1.6;border-bottom:1px solid rgba(0,0,0,.05)}.coursework-list li:last-child{border-bottom:none}.email-button{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;margin-top:var(--spacing-md);background-color:var(--color-accent-red);color:#fff;text-decoration:none;border-radius:8px;font-weight:500;transition:all var(--transition-normal);box-shadow:0 2px 8px #8b2c2c33}.email-button:hover{background-color:var(--color-accent-gold);transform:translateY(-2px);box-shadow:0 4px 12px #8b2c2c4d}.email-button svg{flex-shrink:0}@media (max-width: 768px){.coursework-section{grid-template-columns:1fr}.section-title{font-size:1.5rem}}.passcode-lock{display:flex;justify-content:center;align-items:center;min-height:400px;padding:var(--spacing-lg)}.passcode-container{background:#fff;border-radius:14px;box-shadow:0 4px 24px #8b2c2c12,0 1.5px 6px #0000000a;padding:2.5rem;text-align:center;max-width:400px;width:100%}.passcode-container h2{font-family:var(--font-heading);color:var(--color-accent-red);font-size:1.5rem;margin-bottom:.5rem}.passcode-container p{color:var(--color-text-light);margin-bottom:1.5rem}.passcode-container form{display:flex;flex-direction:column;gap:var(--spacing-md)}.passcode-input{padding:.75rem 1rem;font-size:1.5rem;text-align:center;border:2px solid #eee;border-radius:8px;transition:border-color var(--transition-normal);font-family:monospace;letter-spacing:.5em}.passcode-input:focus{outline:none;border-color:var(--color-accent-gold)}.passcode-input.error{border-color:var(--color-accent-red);animation:shake .3s}.passcode-error{color:var(--color-accent-red);font-size:.9rem;margin:-.5rem 0 0}.passcode-submit{padding:.75rem 2rem;background-color:var(--color-accent-red);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color var(--transition-normal)}.passcode-submit:hover{background-color:var(--color-accent-gold)}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}