:root{--brand: #1450a0;--brand-dark: #0f3d7a;--brand-light: #e8f0fb;--text: #1f2328;--muted: #6b7280;--bg: #ffffff;--bg-soft: #f6f8fb;--border: #e5e9f0;--max: 1080px;--radius: 12px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--max);margin:0 auto;padding:.7rem 1.25rem;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none}.brand-logo{width:30px;height:30px;border-radius:7px;flex-shrink:0;box-shadow:0 2px 6px #1450a040}.brand-mark{font-weight:800;font-size:1.25rem;color:var(--brand);letter-spacing:.5px}.brand-sub{font-size:.85rem;color:var(--muted)}.nav-links{display:flex;gap:1.5rem}.nav-link{color:var(--text);font-size:.95rem;padding:.3rem 0;border-bottom:2px solid transparent}.nav-link:hover{color:var(--brand);text-decoration:none}.nav-link.active{color:var(--brand);border-bottom-color:var(--brand)}.hero{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff}.hero-inner{max-width:var(--max);margin:0 auto;padding:5rem 1.25rem 4rem}.hero-eyebrow{letter-spacing:3px;font-size:.8rem;opacity:.8;margin:0 0 1rem}.hero-title{font-size:clamp(1.8rem,4vw,3rem);line-height:1.25;margin:0 0 1.25rem;font-weight:800}.hero-sub{font-size:1.05rem;max-width:620px;opacity:.92;margin:0 0 2rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn{display:inline-block;padding:.7rem 1.5rem;border-radius:8px;font-weight:600;text-decoration:none}.btn-primary{background:#fff;color:var(--brand)}.btn-primary:hover{background:#eef3fb;text-decoration:none}.btn-ghost{border:1px solid rgba(255,255,255,.6);color:#fff}.btn-ghost:hover{background:#ffffff1f;text-decoration:none}.section-inner{max-width:var(--max);margin:0 auto;padding:4rem 1.25rem}.section-title{font-size:1.6rem;text-align:center;margin:0 0 2.5rem;font-weight:700}.features{background:var(--bg-soft)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem 1.5rem;transition:transform .15s,box-shadow .15s}.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #1450a01f}.feature-icon{font-size:1.8rem;margin-bottom:.75rem}.feature-card h3{margin:0 0 .5rem;font-size:1.1rem}.feature-card p{margin:0;color:var(--muted);font-size:.95rem}.stack-tags{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.stack-tags span{background:var(--brand-light);color:var(--brand);padding:.45rem 1rem;border-radius:999px;font-size:.9rem;font-weight:500}.page .section-inner{padding-top:3rem}.page-title{font-size:2rem;margin:0 0 .5rem}.page-lead{color:var(--text);font-size:1.05rem;line-height:1.9;width:100%;background:linear-gradient(135deg,#1450a012,#1450a008);border-left:4px solid var(--brand);border-radius:var(--radius);padding:1.5rem 1.75rem;margin:.5rem 0 2.5rem;box-sizing:border-box}.post-list{list-style:none;padding:0;margin:2rem 0 0}.post-item{padding:1.5rem 0;border-bottom:1px solid var(--border)}.post-title{font-size:1.25rem;font-weight:600;color:var(--text)}.post-title:hover{color:var(--brand);text-decoration:none}.post-date{display:block;color:var(--muted);font-size:.85rem;margin:.4rem 0}.post-desc{margin:0;color:#4b5563}.about-prose{color:#374151}.about-prose p{margin:0 0 1.1rem}.team-intro{margin-top:.5rem}.team-intro-text p{margin:0 0 1.1rem;color:#374151}.team-intro-text p:last-child{margin-bottom:0}.team-stack{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem 1.5rem 1.25rem;margin-top:1.5rem;margin-bottom:20px}.stack-tags{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.45rem}.stack-tags li{font-size:.82rem;color:#1f2937;background:#fff;border:1px solid var(--border);border-radius:999px;padding:.25rem .7rem;transition:all .15s ease}.stack-tags li:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}.stack-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin-top:1rem;padding-top:.9rem;border-top:1px solid var(--border)}.stack-stat{text-align:center}.stack-stat-num{font-size:1.3rem;font-weight:800;color:var(--brand);line-height:1.1}.stack-stat-num sup{font-size:.7rem;font-weight:600;margin-left:1px}.stack-stat-label{font-size:.75rem;color:var(--muted);margin-top:.2rem}.block-title{font-size:1.4rem;margin:3rem 0 1.25rem;padding-left:.75rem;border-left:4px solid var(--brand)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-top:1rem}.stat{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem 1rem;text-align:center}.stat-num{font-size:2rem;font-weight:800;color:var(--brand);line-height:1.1}.stat-num span{font-size:1rem;font-weight:600;margin-left:2px}.stat-label{margin-top:.5rem;color:var(--muted);font-size:.9rem}.mission{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;border-radius:var(--radius);padding:2rem;margin-top:1rem}.mission p{margin:0;line-height:1.9}.mission strong{color:#fff}.timeline{margin-top:1rem;display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}.tl-col{position:relative;padding-left:1.5rem;border-left:2px solid var(--border)}.tl-item{position:relative;padding-bottom:1.75rem}.tl-item:last-child{padding-bottom:0}.tl-item:before{content:"";position:absolute;left:-1.86rem;top:.35rem;width:12px;height:12px;border-radius:50%;background:var(--brand);border:2px solid #fff;box-shadow:0 0 0 2px var(--brand)}.tl-year{font-weight:800;color:var(--brand);font-size:1.1rem}.tl-body h4{margin:.2rem 0 .3rem;font-size:1rem}.tl-body p{margin:0;color:var(--muted);font-size:.92rem}@media (max-width: 720px){.timeline{grid-template-columns:1fr;gap:0}}.focus-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}.focus-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.focus-card h4{margin:0 0 .4rem;color:var(--brand)}.focus-card p{margin:0;color:var(--muted);font-size:.92rem}.article{max-width:760px;margin:0 auto;padding:3rem 1.25rem 4rem}.article h1{font-size:2rem;margin:0 0 .5rem}.article .post-date{margin-bottom:2rem}.prose{color:#374151}.prose h2{margin-top:2rem;font-size:1.4rem}.prose h3{margin-top:1.5rem}.prose pre{background:#0f172a;color:#e2e8f0;padding:1rem 1.25rem;border-radius:8px;overflow:auto}.prose code{background:var(--bg-soft);padding:.15rem .4rem;border-radius:4px;font-size:.9em}.prose pre code{background:none;padding:0}.prose blockquote{border-left:4px solid var(--brand);margin:1.5rem 0;padding:.5rem 1rem;background:var(--brand-light);color:#1f3a5f;border-radius:0 8px 8px 0}.back-link{display:inline-block;margin-top:2.5rem}.site-footer{background:#0f1b2d;color:#cbd5e1;margin-top:2rem}.footer-inner{max-width:var(--max);margin:0 auto;padding:3rem 1.25rem 1.5rem;display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}.footer-brand{display:flex;align-items:center;gap:.5rem}.footer-logo{width:26px;height:26px;border-radius:6px}.footer-inner .brand-mark{color:#fff;font-size:1.15rem}.footer-desc{color:#94a3b8;font-size:.9rem;max-width:380px;margin:.6rem 0 0}.footer-links{display:flex;gap:1.5rem}.footer-links a{color:#cbd5e1}.footer-links a:hover{color:#fff;text-decoration:none}.copyright{text-align:center;color:#64748b;font-size:.85rem;border-top:1px solid #1e293b;margin:0;padding:1.25rem}.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.18)}.hero-stat{text-align:center}.hero-stat strong{display:block;font-size:1.8rem;font-weight:800;letter-spacing:.5px}.hero-stat span{font-size:.85rem;opacity:.82}.biz{background:var(--bg-soft)}.section-desc{text-align:center;color:var(--muted);max-width:640px;margin:-1.5rem auto 2.5rem}.biz-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}.biz-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem 1.5rem;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}.biz-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #1450a01f}.biz-card h3{margin:0 0 .3rem;font-size:1.15rem}.biz-sub{color:var(--brand);font-size:.82rem;font-weight:600;margin-bottom:.6rem}.biz-card p{margin:0;color:var(--muted);font-size:.95rem}.latest-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}.latest-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s}.latest-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #1450a01f;border-color:var(--brand);text-decoration:none}.latest-meta{color:var(--muted);font-size:.82rem;margin-bottom:.5rem}.latest-title{margin:0 0 .6rem;font-size:1.1rem;color:var(--text);line-height:1.4}.latest-desc{margin:0 0 1rem;color:var(--muted);font-size:.92rem;flex:1}.latest-more{color:var(--brand);font-weight:600;font-size:.88rem}.latest-foot{text-align:center;margin-top:2rem}.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}.btn-outline:hover{background:var(--brand-light);text-decoration:none}.cta{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff}.cta-inner{max-width:var(--max);margin:0 auto;padding:3.5rem 1.25rem;text-align:center}.cta-title{font-size:1.7rem;margin:0 0 .75rem;font-weight:800}.cta-sub{font-size:1.02rem;opacity:.9;max-width:560px;margin:0 auto 1.75rem}.cta .btn-primary{background:#fff;color:var(--brand)}.cta .btn-primary:hover{background:#eef3fb}@media (max-width: 600px){.nav-links{gap:1rem}.hero-inner{padding:3rem 1.25rem}.hero-stats{grid-template-columns:repeat(2,1fr);gap:1.25rem}}