:root{--bg:#fff;--text:#0d0d0d;--muted:#5f646d;--soft:#fafafa;--border:rgba(0,0,0,.075);--border2:rgba(0,0,0,.12);--brand:#18E299;--brand-deep:#0f9f6e;--brand-soft:#d9fbec;--shadow:0 2px 10px rgba(0,0,0,.035);--max:1180px;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--brand-deep)}img{max-width:100%;height:auto}main{display:block}.skip{position:absolute;left:-999px;top:8px;background:#000;color:#fff;padding:8px 12px;border-radius:8px;z-index:10}.skip:focus{left:8px}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.topbar{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:700;letter-spacing:-.4px;display:flex;align-items:center;gap:10px}.mark{width:30px;height:30px;border-radius:10px;background:radial-gradient(circle at 30% 20%,#fff 0 12%,transparent 13%),linear-gradient(135deg,var(--brand),#7ff2c7);border:1px solid var(--border)}.navlinks{display:flex;align-items:center;gap:18px;font-size:14px;font-weight:500}.navlinks a{padding:7px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border2);border-radius:999px;padding:9px 18px;font-weight:600;font-size:14px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)}.btn.primary{background:var(--text);color:#fff;border-color:var(--text)}.btn.brand{background:var(--brand);color:#071510;border-color:var(--brand)}.mobile-toggle{display:none;border:1px solid var(--border);background:#fff;border-radius:999px;padding:8px 12px}.hero{position:relative;overflow:hidden;padding:88px 0 64px}.hero:before{content:"";position:absolute;inset:-180px -80px auto -80px;height:430px;background:radial-gradient(circle at 50% 45%,rgba(24,226,153,.36),transparent 42%),radial-gradient(circle at 24% 30%,rgba(127,242,199,.38),transparent 34%);filter:blur(18px);z-index:-1}.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(15,159,110,.18);background:var(--brand-soft);color:#08794f;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600}.hero h1{max-width:860px;font-size:clamp(40px,7vw,68px);letter-spacing:-1.6px;line-height:1.08;margin:22px 0 20px}.lead{max-width:760px;color:var(--muted);font-size:18px;margin:0 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.section{padding:58px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}.section h2,.page-title{font-size:clamp(30px,4.5vw,44px);letter-spacing:-.9px;line-height:1.14;margin:0}.section-desc{color:var(--muted);max-width:720px;margin:10px 0 0}.grid{display:grid;gap:18px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.card{border:1px solid var(--border);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:var(--shadow)}.card h3{font-size:20px;line-height:1.3;letter-spacing:-.25px;margin:0 0 10px}.card p{margin:0;color:var(--muted)}.meta{display:flex;flex-wrap:wrap;gap:8px;color:#626772;font-size:13px;margin:12px 0}.pill{display:inline-flex;border-radius:999px;background:#f4f6f5;border:1px solid var(--border);padding:3px 9px;font-size:12px;font-weight:600;color:#475049}.post-list{display:grid;gap:14px}.post-row{display:grid;grid-template-columns:1fr auto;gap:18px;border:1px solid var(--border);border-radius:18px;padding:20px;background:#fff}.post-row h3{margin:0 0 6px;font-size:20px;line-height:1.35}.breadcrumb{font-size:13px;color:var(--muted);margin:26px 0}.article{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start}.article h1{font-size:clamp(34px,5.8vw,58px);line-height:1.1;letter-spacing:-1.2px;margin:0 0 18px}.article-content{font-size:17px}.article-content h2{margin-top:38px;font-size:28px;letter-spacing:-.5px}.article-content h3{margin-top:28px;font-size:21px}.article-content p,.article-content li{color:#30343a}.article-content code{font-family:'Geist Mono',ui-monospace,monospace;background:#f4f4f4;border:1px solid var(--border);border-radius:6px;padding:1px 5px}.toc{position:sticky;top:92px;border:1px solid var(--border);border-radius:16px;padding:18px;background:#fff}.toc strong{display:block;margin-bottom:10px}.toc a{display:block;color:var(--muted);font-size:14px;padding:5px 0}.form{display:grid;gap:14px;max-width:720px}.field{display:grid;gap:6px}.field label{font-weight:600}.field input,.field textarea,.searchbox input{width:100%;border:1px solid var(--border2);border-radius:16px;padding:12px 14px;font:inherit;background:#fff}.field textarea{min-height:140px}.field input:focus,.field textarea:focus,.searchbox input:focus{outline:2px solid var(--brand);border-color:var(--brand)}.searchbox{display:flex;gap:10px;margin:20px 0}.search-results{display:grid;gap:12px}.footer{border-top:1px solid var(--border);padding:38px 0;background:#fff}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px}.footer a{display:block;color:var(--muted);font-size:14px;margin:6px 0}.notice{border:1px solid var(--border);border-radius:18px;padding:18px;background:#fbfffd;color:#35413b}.pagination{display:flex;gap:10px;justify-content:center;margin-top:28px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:860px){.mobile-toggle{display:inline-flex}.navlinks{display:none;position:absolute;left:20px;right:20px;top:76px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 18px 40px rgba(0,0,0,.08)}.navlinks.open{display:flex}.grid.three,.grid.two,.article,.footer-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.post-row{grid-template-columns:1fr}.toc{position:static}.hero{padding:62px 0 40px}.container{width:min(var(--max),calc(100% - 28px))}.searchbox{flex-direction:column}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}