:root{--bg: #f4fbf6;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--brand: #065f46;--brand-dark: #064e3b;--border: #d1e7dd;--radius: 12px;--shadow: 0 1px 3px rgba(15, 23, 42, .06);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.header-inner{max-width:1200px;margin:0 auto;padding:.75rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:.75rem;color:inherit;text-decoration:none}.brand-mark{width:2.5rem;height:2.5rem;border-radius:.65rem;background:linear-gradient(135deg,#10b981,#065f46);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.8rem}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text small{color:var(--muted);font-size:.72rem;font-weight:400}.header-nav{display:flex;align-items:center;gap:.85rem;flex-wrap:wrap;font-size:.9rem}.nav-cta{background:var(--brand);color:#fff!important;padding:.4rem .85rem;border-radius:999px;text-decoration:none!important}.lang-pill{border:1px solid var(--border);padding:.35rem .7rem;border-radius:999px;background:#fff}.hero{background:linear-gradient(180deg,#e8f7ee 0%,var(--bg) 100%);border-bottom:1px solid var(--border)}.hero-inner{max-width:1200px;margin:0 auto;padding:2.5rem 1.25rem 2rem}.hero h1{margin:.35rem 0;font-size:clamp(1.6rem,4vw,2.2rem)}.hero-sub{max-width:42rem;color:var(--muted);margin:0}.page-wrap{max-width:1200px;margin:0 auto;padding:1.5rem 1.25rem 3rem}.three-col{display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr) minmax(0,260px);gap:1.5rem;align-items:start}@media(max-width:960px){.three-col{grid-template-columns:1fr}.col-left{order:2}.col-right{order:3}}.sticky{position:sticky;top:5.5rem}.side-nav h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 .5rem}.side-nav ul{list-style:none;margin:0;padding:0}.side-nav a{display:block;padding:.45rem .6rem;border-radius:8px;color:var(--text);text-decoration:none}.side-nav a.active,.side-nav a:hover{background:#e8f7ee;color:var(--brand-dark)}.section-block{margin-bottom:2rem}.section-block h2{font-size:1.1rem;margin:0 0 1rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.article-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}.card-meta{font-size:.75rem;color:var(--muted);margin:0 0 .35rem}.article-card h3{margin:0 0 .5rem;font-size:1rem}.article-card h3 a{color:inherit;text-decoration:none}.card-link{font-size:.85rem;font-weight:600}.cta-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}.cta-kicker{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0}.cta-card h3{margin:.25rem 0 .75rem}.cta-list{margin:0 0 1rem;padding-left:1.1rem;font-size:.88rem;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.55rem 1rem;border-radius:8px;font-weight:600;font-size:.88rem;text-decoration:none!important;border:1px solid transparent}.btn-block{display:flex;width:100%;margin-bottom:.5rem}.btn-primary{background:var(--brand);color:#fff!important}.btn-ghost{background:#fff;border-color:var(--border);color:var(--brand-dark)!important}.cta-link{display:block;margin-top:.75rem;font-size:.85rem}.prose .article-head h1{margin:.25rem 0 .75rem;font-size:clamp(1.5rem,3.5vw,2rem);line-height:1.25}.eyebrow{font-size:.78rem;color:var(--muted);margin:0}.lead{color:var(--muted);font-size:1.05rem}.article-body :global(h2){margin-top:1.75rem;font-size:1.15rem}.article-body :global(table){width:100%;border-collapse:collapse;font-size:.9rem}.article-body :global(th),.article-body :global(td){border:1px solid var(--border);padding:.5rem;text-align:left}.tag-row{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:1rem}.tag{font-size:.75rem;background:#e8f7ee;color:var(--brand-dark);padding:.2rem .55rem;border-radius:999px}.cta-inline{display:flex;flex-wrap:wrap;gap:.65rem}.site-footer{border-top:1px solid var(--border);background:#fff;margin-top:2rem}.footer-grid{max-width:1200px;margin:0 auto;padding:2rem 1.25rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;font-size:.88rem}.footer-grid h3{margin:0 0 .5rem;font-size:.85rem}.footer-grid ul{margin:0;padding:0;list-style:none}.footer-grid li{margin:.35rem 0}.muted{color:var(--muted);font-size:.8rem}.page-title{margin:0 0 1.25rem}