:root{--bg: #efefef;--surface: #ffffff;--text: #101010;--muted: #5f5f5f;--line: #242424;--accent: #d70a22;--max-width: 1360px;--gutter: 24px;--radius: 16px}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{font-family:Helvetica Neue,Helvetica,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.55;letter-spacing:.005em}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--max-width),calc(100vw - var(--gutter) * 2));margin:0 auto}.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}.panel-card{border:none;background:color-mix(in srgb,var(--surface) 82%,#f7f7f7);border-radius:var(--radius)}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(10px)}.site-header .inner{min-height:86px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:2rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.brand .dot{color:var(--accent)}.nav-wrap{display:flex;align-items:center;gap:24px}.nav-links{display:flex;align-items:center;gap:20px}.nav-links a{text-transform:uppercase;font-size:.75rem;letter-spacing:.14em;border-bottom:1px solid transparent;padding-bottom:2px}.nav-links a:hover,.nav-links a:focus-visible{border-color:var(--line)}.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.lang-switch a{min-width:44px;text-align:center;text-transform:uppercase;font-size:.72rem;letter-spacing:.08em;padding:10px}.lang-switch a.active{background:var(--text);color:var(--surface)}.mobile-toggle{display:none;border:1px solid var(--line);border-radius:10px;background:transparent;text-transform:uppercase;letter-spacing:.1em;padding:8px 12px;font-size:.72rem}.hero{min-height:calc(100vh - 86px);position:relative;border-bottom:1px solid var(--line);overflow:hidden}.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}.hero-gridline{position:absolute;inset:0;z-index:0;background-image:linear-gradient(to bottom,rgba(0,0,0,.035) 1px,transparent 1px);background-size:100% 72px;pointer-events:none}.hero:after{content:"";position:absolute;left:23%;top:0;bottom:0;width:2px;background:color-mix(in srgb,var(--accent) 92%,transparent);z-index:1}.hero-grid{position:relative;z-index:2;padding:88px 0 60px;align-content:end}.hero-kicker{grid-column:1 / span 4;margin:0;font-size:.82rem;text-transform:uppercase;letter-spacing:.25em;color:var(--muted)}.hero-headline{grid-column:1 / span 9;margin:0;font-size:clamp(3rem,8vw,8rem);text-transform:uppercase;line-height:.92;letter-spacing:-.04em;max-width:14ch}.accent-square{display:inline-block;width:.75em;height:.75em;margin-left:.18em;transform:translateY(-.06em);background:var(--accent)}.hero-subline{grid-column:8 / span 5;margin:0;color:var(--muted);max-width:42ch;border-left:1px solid var(--line);padding-left:14px;font-size:1rem}.hero-actions{grid-column:8 / span 5;display:flex;gap:10px;margin-top:10px}.btn{border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;transition:transform .2s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--text);color:var(--surface)}.section{padding:72px 0;border-bottom:1px solid var(--line)}.section-cta{padding-top:40px}.section-title{margin:0 0 20px;text-transform:uppercase;letter-spacing:-.02em;font-size:clamp(1.7rem,4vw,3.4rem)}.subsection-title{margin:0;font-size:.9rem;text-transform:uppercase;letter-spacing:.14em}.about-intro{grid-column:1 / span 7;padding:18px 20px}.about-intro p{margin:0;font-size:1.05rem;color:var(--muted)}.profile-panel{grid-column:8 / span 5;padding:12px;align-self:start}.profile-photo-box{border:none;border-radius:12px;aspect-ratio:3 / 4;overflow:hidden;background:#dcdcdc}.profile-photo-box img{width:100%;height:100%;object-fit:cover;object-position:center 22%;filter:grayscale(.04) contrast(1.04)}.profile-panel p{margin:10px 0 0;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem}.project-lane{grid-column:1 / -1;margin-top:4px;padding:16px;border:none;background:color-mix(in srgb,var(--surface) 86%,#f0f0f0)}.lane-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.lane-hint{text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;color:var(--muted)}.project-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.project-card{border-radius:14px;border:none;background:linear-gradient(165deg,#f8f8f8,#f2f2f2);padding:14px;min-height:220px;display:grid;gap:8px;transition:transform .25s ease}.project-card:hover{transform:translateY(-4px)}.project-card-head{display:flex;justify-content:space-between;align-items:center}.project-index{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.project-arrow{font-size:1.15rem;color:color-mix(in srgb,var(--line) 60%,transparent)}.project-card h4{margin:0;font-size:1.1rem;letter-spacing:-.01em}.project-card p{margin:0;color:var(--muted);font-size:.94rem}.timeline{grid-column:1 / span 8;display:grid;gap:12px}.info-block{padding:14px 16px}.timeline-item{border-top:1px solid color-mix(in srgb,var(--line) 20%,transparent);padding-top:10px;margin-top:8px}.timeline-item h3{margin:0;font-size:1.02rem}.timeline-item p{margin:8px 0 0;color:var(--muted);font-size:.95rem}.meta-line{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.76rem}.skill-cloud-wrap{grid-column:9 / span 4;display:grid;gap:10px;align-self:start;padding:14px}.skill-cloud{position:relative;min-height:390px;border:none;border-radius:12px;background-image:repeating-linear-gradient(to right,rgba(0,0,0,.04) 0 1px,transparent 1px 46px),repeating-linear-gradient(to bottom,rgba(0,0,0,.03) 0 1px,transparent 1px 46px);overflow:hidden}.skill-chip{border:1px solid color-mix(in srgb,var(--line) 25%,transparent);background:color-mix(in srgb,var(--surface) 92%,#f5f5f5);border-radius:999px;text-transform:uppercase;letter-spacing:.06em}.cloud-chip{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%) scale(var(--scale));font-size:.7rem;padding:6px 11px;animation:drift 5.5s ease-in-out infinite;animation-delay:var(--delay)}.cloud-chip:nth-child(6n){background:var(--text);color:var(--surface)}@keyframes drift{0%,to{transform:translate(-50%,-50%) scale(var(--scale))}50%{transform:translate(-50%,calc(-50% - 8px)) scale(var(--scale))}}.blog-page{--blog-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif}.blog-shell{max-width:980px}.blog-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.rss-link{border:1px solid color-mix(in srgb,var(--line) 30%,transparent);border-radius:999px;padding:8px 14px;text-transform:uppercase;letter-spacing:.09em;font-size:.68rem;background:var(--surface)}.blog-controls{padding:14px;display:grid;gap:12px;margin-bottom:16px}.search-input{width:100%;border:1px solid color-mix(in srgb,var(--line) 25%,transparent);border-radius:12px;background:#fbfbfb;padding:11px 12px;font-size:.95rem}.tag-list{display:flex;flex-wrap:wrap;gap:8px}.tag-btn{border:1px solid color-mix(in srgb,var(--line) 26%,transparent);border-radius:999px;background:#fbfbfb;padding:4px 10px;text-transform:uppercase;letter-spacing:.06em;font-size:.68rem;transition:all .2s ease}.tag-btn:hover{transform:translateY(-1px)}.tag-btn.active{background:var(--text);color:var(--surface)}.blog-list{display:grid;gap:16px}.blog-entry{border-radius:16px;border:none;background:linear-gradient(180deg,#fafafa,#f4f4f4);padding:22px;transition:transform .24s ease}.blog-entry:hover{transform:translateY(-4px)}.post-title{margin:0;font-family:var(--blog-serif);font-size:clamp(1.5rem,2.9vw,2.15rem);line-height:1.16;letter-spacing:-.01em}.post-title a:hover{color:color-mix(in srgb,var(--text) 82%,var(--accent))}.post-card .desc{margin:12px 0;color:var(--muted);font-family:var(--blog-serif);font-size:1.03rem;line-height:1.55}.post-line{margin:0;color:#6a6a6a;font-size:.95rem}.post-page{--blog-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif}.post-layout{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}.post-toc{grid-column:1 / span 3;position:sticky;top:98px;align-self:start;border:none;border-radius:14px;background:var(--surface);padding:14px}.post-toc h2{margin:0 0 10px;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}.post-toc a{display:block;color:var(--muted);font-size:.86rem;padding:4px 0}.post-body{grid-column:4 / span 8;border:none;border-radius:16px;background:linear-gradient(180deg,#fcfcfc,#f6f6f6);padding:28px}.post-body h1{font-family:var(--blog-serif);text-transform:none;letter-spacing:0;margin-bottom:10px}.post-body h2,.post-body h3{font-family:var(--blog-serif);text-transform:none;letter-spacing:0}.post-body p,.post-body li{font-family:var(--blog-serif);font-size:1.05rem;color:#2d2d2d}.post-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.post-meta span{border:1px solid color-mix(in srgb,var(--line) 25%,transparent);border-radius:999px;padding:3px 9px;font-size:.72rem;text-transform:uppercase}.post-body pre{position:relative;margin:1.1rem 0;padding:12px;overflow-x:auto;background:#0f0f0f;color:#efefef;border:1px solid #333;border-radius:10px}.post-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.copy-btn{position:absolute;top:8px;right:8px;border:1px solid #7a7a7a;border-radius:8px;background:transparent;color:#efefef;padding:4px 7px;text-transform:uppercase;letter-spacing:.06em;font-size:.67rem;cursor:pointer}.post-nav{margin-top:30px;display:flex;justify-content:space-between;gap:10px}.post-nav a{flex:1;border:none;border-radius:12px;background:#f5f5f5;padding:10px;font-size:.82rem}.contact-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}.contact-grid .left{grid-column:1 / span 5}.contact-grid .left p{font-size:1.05rem;max-width:38ch}.contact-grid .right{grid-column:7 / span 6;display:grid;gap:12px}.contact-link{border:none;border-radius:14px;background:color-mix(in srgb,var(--surface) 86%,#f7f7f7);padding:16px;display:flex;justify-content:space-between;align-items:center;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;transition:transform .22s ease}.contact-link:hover{transform:translateY(-2px)}.contact-main{display:flex;align-items:center;gap:12px}.icon-shell{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,var(--line) 28%,transparent);border-radius:8px}.icon-shell svg{width:15px;height:15px;fill:currentColor;stroke:currentColor}.contact-arrow{font-size:.9rem}.contact-link:hover .contact-arrow{transform:translate(2px,-2px)}.site-footer{padding:24px 0 46px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem}.empty-state{border:1px dashed color-mix(in srgb,var(--line) 35%,transparent);border-radius:14px;padding:20px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:.8rem;background:#f7f7f7}@media(max-width:1100px){.project-track{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:980px){.mobile-toggle{display:inline-flex}.nav-wrap{position:absolute;left:0;right:0;top:86px;display:none;flex-direction:column;align-items:flex-start;gap:14px;background:var(--bg);border-bottom:1px solid var(--line);padding:14px var(--gutter)}.nav-wrap.open{display:flex}.nav-links{flex-direction:column;align-items:flex-start;gap:10px}.hero-grid,.grid-12,.post-layout,.contact-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.hero-kicker,.hero-headline,.hero-subline,.hero-actions,.about-intro,.timeline,.skill-cloud-wrap,.profile-panel,.post-toc,.post-body,.contact-grid .left,.contact-grid .right,.project-lane{grid-column:1 / -1}.hero{min-height:76vh}.hero:after{left:70%}.hero-subline{border-left:none;padding-left:0}.project-track{grid-template-columns:1fr}.skill-cloud{min-height:auto;padding:10px;display:flex;flex-wrap:wrap;gap:8px}.cloud-chip{position:static;transform:none;animation:none;font-size:.71rem}.post-toc{position:static}}