*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f4f7fb;--bg-alt:#e8f0fa;--text:#1a365d;--text-muted:#5a7a9b;--border:#c7d8ea;--max-width:720px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;--mono:"SF Mono","Fira Code",Consolas,monospace}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.container.narrow{max-width:640px}.nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:rgba(240,247,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.nav-logo{font-weight:600;font-size:15px}.nav-right{display:flex;align-items:center;gap:28px}.nav-links{list-style:none;display:flex;gap:24px}.nav-links a{font-size:14px;color:var(--text-muted);transition:color .2s}.nav-links a:hover{color:#2563eb}.lang-toggle{border:1px solid var(--border);background:transparent;padding:5px 12px;border-radius:6px;font-size:13px;cursor:pointer;color:var(--text-muted);transition:all .2s;font-family:var(--font)}.lang-toggle:hover{color:var(--text);border-color:#2563eb}.hero{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px}.hero-inner{animation:fadeUp .8s ease}.hero-name{font-size:clamp(2.4rem,6vw,3.6rem);font-weight:700;letter-spacing:-.03em}.hero-tag{margin-top:16px;font-size:1.05rem;color:var(--text-muted)}.hero-arrow{display:inline-block;margin-top:48px;font-size:1.3rem;color:var(--text-muted);animation:bounce 2s infinite}@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}.section{padding:80px 0}.section-alt{background:var(--bg-alt)}.section-title{font-size:1.5rem;font-weight:600;margin-bottom:32px}.about-content p{margin-bottom:18px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.project-card{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:28px;transition:transform .2s,box-shadow .2s}.project-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.06)}.project-card h3{font-size:1.15rem;margin-bottom:10px}.project-card p{font-size:.92rem;color:var(--text-muted);margin-bottom:16px}.project-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.project-tags span{font-size:.75rem;font-family:var(--mono);padding:3px 9px;background:var(--bg-alt);border-radius:4px;color:var(--text-muted)}.project-link{font-size:.88rem;font-weight:500}.contact-intro{color:var(--text-muted);margin-bottom:32px}.contact-links{margin-bottom:36px}.contact-item{display:inline-block}.contact-label{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:2px}.contact-value{font-size:1.1rem;font-weight:500;border-bottom:1px solid var(--border);padding-bottom:2px;transition:border-color .2s}.contact-item:hover .contact-value{border-color:#2563eb}.social-links{display:flex;flex-wrap:wrap;gap:20px}.social-link{font-size:.92rem;color:var(--text-muted);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}.social-link:hover{color:var(--text);border-color:#2563eb}.page-header{padding:80px 0 40px}.page-title{font-size:2rem;font-weight:700}.page-subtitle{color:var(--text-muted);margin-top:8px}.blog-list{display:flex;flex-direction:column;gap:36px}.blog-item a{display:block}.blog-title{font-size:1.25rem;font-weight:600;margin-bottom:6px;transition:color .2s}.blog-item:hover .blog-title{color:var(--text-muted)}.blog-date{font-size:.82rem;color:var(--text-muted);margin-bottom:8px}.blog-excerpt{font-size:.95rem;color:var(--text-muted)}.blog-post{padding:60px 0 80px}.post-title{font-size:2rem;font-weight:700}.post-date{font-size:.85rem;color:var(--text-muted);margin:8px 0 32px}.post-body p{margin-bottom:18px}.post-body h2{font-size:1.3rem;margin:36px 0 16px}.back-link{display:inline-block;margin-top:40px;font-size:.9rem;color:var(--text-muted);transition:color .2s}.back-link:hover{color:#2563eb}.footer{border-top:1px solid var(--border);padding:32px 24px;text-align:center}.footer p{font-size:.82rem;color:var(--text-muted)}@media(max-width:600px){.nav-links{display:none}.nav-right{gap:16px}.section{padding:56px 0}.hero{min-height:60vh}.projects-grid{grid-template-columns:1fr}}