:root{--bg: #0b1120;--surface: #ffffff;--text: #1a2233;--text-soft: #54607a;--muted: #8a94a8;--border: #e6e9f0;--primary: #16a34a;--primary-dark: #0f7d39;--accent: #22d3a5;--ring: rgba(22, 163, 74, .25);--radius: 16px;--maxw: 920px;--shadow: 0 10px 30px rgba(15, 23, 42, .08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--text);background:#f6f8fb;line-height:1.65;font-size:17px}a{color:var(--primary-dark);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);background:#ffffffd1;border-bottom:1px solid var(--border)}.nav{max-width:var(--maxw);margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);font-size:18px}.brand:hover{text-decoration:none}.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:var(--shadow)}.nav-links{margin-left:auto;display:flex;gap:22px}.nav-links a{color:var(--text-soft);font-size:15px;font-weight:500}.nav-links a:hover{color:var(--primary-dark);text-decoration:none}.nav-links a.active{color:var(--primary-dark)}.hero{background:radial-gradient(1200px 500px at 70% -10%,#16351f 0%,var(--bg) 55%);color:#eef2f8;padding:84px 20px 96px;text-align:center}.hero .eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;background:#22d3a524;color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:22px}.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.08;margin:0 auto 18px;max-width:16ch;letter-spacing:-.02em}.hero p{color:#aeb8cc;font-size:clamp(17px,2.4vw,20px);max-width:56ch;margin:0 auto 34px}.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:12px;font-weight:600;font-size:16px;transition:transform .15s ease,box-shadow .15s ease;cursor:pointer}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px var(--ring)}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{background:#ffffff14;color:#eef2f8;border:1px solid rgba(255,255,255,.18)}.section{max-width:var(--maxw);margin:0 auto;padding:64px 20px}.section h2{font-size:clamp(26px,4vw,34px);letter-spacing:-.01em;margin:0 0 8px}.section .lead{color:var(--text-soft);margin:0 0 36px;max-width:60ch}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg,#16a34a1f,#22d3a529);margin-bottom:14px}.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--text-soft);font-size:15px}.doc{max-width:760px;margin:0 auto;padding:56px 20px 80px}.doc h1{font-size:clamp(28px,5vw,40px);margin:0 0 6px;letter-spacing:-.02em}.doc .updated{color:var(--muted);font-size:14px;margin:0 0 36px}.doc h2{font-size:22px;margin:38px 0 10px}.doc h3{font-size:18px;margin:26px 0 8px}.doc p,.doc li{color:var(--text)}.doc ul{padding-left:22px}.doc li{margin:6px 0}.doc .note{background:#f0f7f2;border:1px solid #d4ead9;border-left:4px solid var(--primary);border-radius:10px;padding:16px 18px;margin:22px 0}.doc .note strong{color:var(--primary-dark)}.todo{background:#fff8e6;border:1px dashed #e0b94a;border-radius:8px;padding:1px 7px;font-size:.92em;color:#8a6a12}details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:4px 18px;margin:12px 0;box-shadow:var(--shadow)}details summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}details summary::-webkit-details-marker{display:none}details summary:after{content:"+";color:var(--primary);font-size:22px;font-weight:400}details[open] summary:after{content:"–"}details .answer{padding:0 0 16px;color:var(--text-soft)}.site-footer{background:var(--bg);color:#aeb8cc;padding:44px 20px}.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}.footer-inner a{color:#cdd5e4;font-size:15px}.footer-inner a:hover{color:#fff}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer-copy{font-size:14px;color:var(--muted);width:100%}@media (max-width: 560px){.nav-links{gap:14px}}