:root{--green:#4B7A5C;--green-d:#3d6a4e;--sage:#E8F5EC;--text:#1C2B22;--muted:#6B7F71;--border:#E4EDE6;--bg:#F7FAF7;--amber:#B8863C;--amber-l:#FEF3C7}
*{box-sizing:border-box;margin:0}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
.card{background:#fff;border:1px solid var(--border);border-radius:16px;transition:.15s}
.site-header{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header-inner{max-width:780px;margin:0 auto;padding:0 1rem;height:56px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);font-weight:700;font-size:15px}
.logo img{width:32px;height:32px;border-radius:10px;object-fit:cover}
.logo sup{font-size:.6em;color:#dc2626;vertical-align:super}
.header-nav{display:flex;gap:4px;align-items:center}
.header-nav a{font-size:12px;font-weight:600;color:var(--muted);padding:6px 12px;border-radius:99px;text-decoration:none;transition:.15s}
.header-nav a:hover{background:var(--sage);color:var(--green)}
.hero{background:linear-gradient(180deg,var(--sage) 0%,var(--bg) 100%);padding:2.5rem 1rem 2rem;text-align:center}
.hero-inner{max-width:780px;margin:0 auto}
.hero .crumb{font-size:11px;color:var(--muted);margin-bottom:10px;font-weight:500}
.hero .crumb a{color:var(--muted);text-decoration:none}
.hero .crumb a:hover{color:var(--green)}
.hero h1{font-size:1.6rem;font-weight:800;margin-bottom:6px;color:var(--text);line-height:1.3}
.hero .sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.part-nav{display:flex;justify-content:center;gap:6px;flex-wrap:wrap}
.part-nav a{font-size:11px;font-weight:600;padding:6px 16px;border-radius:99px;background:#fff;border:1px solid var(--border);color:var(--muted);text-decoration:none;transition:.15s}
.part-nav a:hover{border-color:var(--green);color:var(--green);background:var(--sage)}
.container{max-width:780px;margin:0 auto;padding:1.5rem 1rem 3rem}
.part-label{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:5px 14px;border-radius:99px;margin-bottom:6px}
.pl-1{background:#dbeafe;color:#1d4ed8}
.pl-2{background:#d1fae5;color:#065f46}
.pl-3{background:var(--amber-l);color:#92400e}
.part-section{margin-bottom:2rem}
.part-title{font-size:1.15rem;font-weight:700;margin:4px 0 2px}
.part-meta{font-size:12px;color:var(--muted);margin-bottom:14px}
.q-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:10px}
.q-label{font-size:10px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}
.q-text{font-size:14px;line-height:1.75;color:var(--text)}
.stimulus{background:var(--bg);border-radius:12px;padding:14px 16px;margin:10px 0;border-left:4px solid var(--green);font-size:13px;line-height:1.8;color:#334155;font-style:italic}
.stimulus p{margin:0 0 6px}
.stimulus p:last-child{margin-bottom:0}
.q-inst{font-size:13px;color:#475569;margin-top:8px;line-height:1.7}
.q-inst ul{margin:4px 0 0;padding-left:20px}
.q-inst li{margin-bottom:2px}
.badge-type{display:inline-block;background:var(--bg);border:1px solid var(--border);color:var(--muted);font-size:10px;padding:3px 10px;border-radius:99px;font-weight:600}
.q-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.ans-label{display:flex;align-items:center;gap:8px;margin:12px 0 8px;font-size:13px;font-weight:700;color:var(--green)}
.ans-badge{font-size:10px;background:var(--sage);color:var(--green);padding:2px 10px;border-radius:99px;font-weight:600}
.ans-card{background:#fff;border:1px solid #c6f6d5;border-radius:14px;padding:18px 20px;margin-bottom:10px}
.ans-body{font-size:13.5px;line-height:1.85;color:#334155}
.ans-body p{margin:0 0 10px}
.ans-body p:last-child{margin-bottom:0}
.lock-preview{position:relative;overflow:hidden}
.lock-preview .lock-fade{position:absolute;bottom:0;left:0;right:0;height:100px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.lock-cta{background:#fff;border:2px dashed var(--border);border-radius:16px;padding:28px 24px;text-align:center;margin:-6px 0 16px}
.lock-cta h3{font-size:14px;font-weight:700;margin-bottom:4px;color:var(--text)}
.lock-cta p{font-size:12px;color:var(--muted);margin-bottom:14px}
.btn-primary{display:inline-block;background:var(--green);color:#fff;font-weight:700;padding:12px 28px;border-radius:12px;text-decoration:none;font-size:13px;transition:.15s;border:none;cursor:pointer}
.btn-primary:hover{background:var(--green-d);text-decoration:none;color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(75,122,92,.25)}
.lock-inline{text-align:center;padding:16px;color:var(--muted);font-size:13px;border:1px dashed var(--border);border-radius:12px;margin-bottom:12px;background:#fff}
.lock-inline a{font-weight:600}
.faq{margin:2.5rem 0 1.5rem}
.faq h2{font-size:1rem;font-weight:700;margin-bottom:12px}
.faq details{margin-bottom:6px;border-radius:12px;background:#fff;border:1px solid var(--border);overflow:hidden}
.faq summary{font-weight:600;font-size:13px;cursor:pointer;padding:12px 16px;list-style:none;display:flex;align-items:center;gap:8px;color:var(--text)}
.faq summary::before{content:'›';font-size:14px;color:var(--muted);transition:transform .2s;font-weight:700;width:12px}
.faq details[open] summary::before{transform:rotate(90deg)}
.faq details p{font-size:12px;color:#475569;padding:0 16px 14px;line-height:1.6}
.related{margin:2rem 0}
.related h2{font-size:1rem;font-weight:700;margin-bottom:10px}
.related-pills{display:flex;flex-wrap:wrap;gap:6px}
.related-pills a{font-size:12px;padding:8px 14px;background:#fff;border:1px solid var(--border);border-radius:10px;color:var(--muted);text-decoration:none;font-weight:500;transition:.15s}
.related-pills a:hover{border-color:var(--green);color:var(--green);background:var(--sage)}
.footer-links{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid var(--border);font-size:11px;color:var(--muted);line-height:2.2}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--green)}
.site-footer{text-align:center;padding:16px;color:var(--muted);font-size:11px;border-top:1px solid var(--border);background:#fff}
.hidden{display:none!important}
@media(max-width:640px){
  .hero h1{font-size:1.3rem}
  .q-card,.ans-card{padding:14px 16px;border-radius:12px}
  .container{padding:1rem .8rem 2rem}
  .header-nav{display:none}
}