:root{--ink:#0b251d;--lime:#c8f53f;--paper:#f4f3ec;--line:#dce2dc;--muted:#66756f}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI",sans-serif}header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:18px clamp(20px,6vw,80px);border-bottom:1px solid var(--line);background:rgba(244,243,236,.94);backdrop-filter:blur(14px)}header>a{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none;font-weight:900}header img{width:42px;height:42px;border-radius:12px}header span{display:flex;flex-direction:column}header small{color:var(--muted);font-size:9px;letter-spacing:1px}nav{display:flex;gap:7px}nav a{padding:9px 12px;border-radius:99px;color:var(--muted);font-size:12px;font-weight:800;text-decoration:none}nav a.active{background:var(--ink);color:#fff}main{max-width:820px;margin:auto;padding:70px 22px 100px}main>small{color:#397560;font-size:10px;font-weight:900;letter-spacing:1.5px}h1{margin:12px 0 14px;font:700 clamp(38px,7vw,62px)/1 Georgia,serif;letter-spacing:-2px}.intro{font-size:18px;color:var(--muted);line-height:1.7;margin-bottom:42px}section{padding:25px 0;border-top:1px solid var(--line)}h2{margin:0 0 10px;font:700 22px Georgia,serif}section p{margin:0;color:#56665f;line-height:1.8}aside{margin-top:30px;padding:18px;border-radius:14px;background:#e8eee8;color:#52645c;font-size:12px;line-height:1.6}.back{display:inline-block;margin-top:28px;padding:13px 16px;border-radius:10px;background:var(--lime);color:var(--ink);font-weight:900;text-decoration:none}@media(max-width:600px){header{align-items:flex-start;gap:14px;flex-direction:column}nav{width:100%;overflow:auto}main{padding-top:45px}}