:root{color-scheme:light dark;--bg:#f6f6f2;--ink:#143e36;--muted:#52665f;--line:#cbd6d0;--panel:#fff;--accent:#00594b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,sans-serif}header,main,footer{width:min(920px,100% - 40px);margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;text-decoration:none}.brand img{width:48px;height:48px;border-radius:12px}nav{display:flex;gap:22px}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}main{padding:52px 0 64px}h1{font-size:clamp(2.1rem,6vw,3.1rem);line-height:1.15;letter-spacing:-.025em;margin:0 0 18px}h2{font-size:1.4rem;line-height:1.3;margin:36px 0 12px}h3{font-size:1.1rem;margin:0}.lead{font-size:1.15rem;max-width:720px;color:var(--muted)}.meta{color:var(--muted);font-size:.9rem}.faq{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:0 24px;margin-top:32px}details{padding:20px 0;border-bottom:1px solid var(--line)}details:last-child{border-bottom:0}summary{font-weight:650;cursor:pointer;line-height:1.45}details p{margin:14px 0 0}footer{padding:24px 0 34px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}ul{padding-left:24px}li+li{margin-top:8px}.note{border-left:3px solid var(--accent);padding:2px 0 2px 20px;margin-top:30px}@media(max-width:540px){header{align-items:flex-start;flex-direction:column;gap:16px}main{padding-top:36px}.faq{padding:0 18px}}@media(prefers-color-scheme:dark){:root{--bg:#10221e;--ink:#ebf5ef;--muted:#b5c7bd;--line:#39514a;--panel:#192e27;--accent:#8ad9be}}