:root{color-scheme:light;--chrome: #eceeee;--panel: #f5f6f6;--content: #ffffff;--ink: #191c1e;--muted: #4e565c;--faint: #828a8f;--hairline: #e0e2e3;--hairline-strong: #cbcecf;--glass: rgba(255, 255, 255, .66);--accent: #008d93;--accent-ink: #007176;--f-text: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;--f-disp: "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif}[data-theme=dark]{color-scheme:dark;--chrome: #0d0f11;--panel: #1a1e21;--content: #23282c;--ink: #f1f3f3;--muted: #99a1a6;--faint: #697075;--hairline: #2b3136;--hairline-strong: #3a4147;--glass: rgba(18, 22, 25, .6);--accent: #33a4a9;--accent-ink: #66bbbe}*{box-sizing:border-box}body{margin:0;background:var(--chrome);color:var(--ink);font-family:var(--f-text);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}.hdr{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:2rem;height:64px;padding:0 clamp(20px,4vw,56px);background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--hairline)}.wordmark{font-size:1.35rem;font-weight:600;letter-spacing:-.01em;color:var(--ink);text-decoration:none;line-height:1}.wordmark b{font-weight:800;color:var(--accent-ink)}.theme-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:1px solid var(--hairline);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer}.theme-btn:hover{color:var(--ink);border-color:var(--hairline-strong)}.lang-btn{display:inline-flex;align-items:center;gap:.35rem;height:34px;margin-left:auto;padding:0 .6rem;border:1px solid var(--hairline);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-family:inherit;font-size:.78rem;font-weight:600;letter-spacing:.02em}.lang-btn:hover{color:var(--ink);border-color:var(--hairline-strong)}.lang-btn .on{color:var(--accent-ink);font-weight:700}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}main{max-width:760px;margin:0 auto;padding:clamp(32px,6vw,72px) clamp(20px,4vw,56px) 80px}.back{display:inline-block;margin-bottom:1.5rem;font-size:.9rem;color:var(--muted);text-decoration:none}.back:hover{color:var(--ink)}h1{font-family:var(--f-disp);font-size:clamp(2rem,5vw,2.6rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin:0 0 2.25rem}h2{font-family:var(--f-disp);font-size:1.05rem;font-weight:650;letter-spacing:-.005em;margin:2.25rem 0 .4rem;padding-top:1.4rem;border-top:1px solid var(--hairline)}h2:first-of-type{border-top:0;padding-top:0;margin-top:0}p,address{margin:0 0 .9rem;color:var(--muted);font-style:normal}a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:2px}a:hover{color:var(--accent)}.boiler p{font-size:.94rem}footer{border-top:1px solid var(--hairline);padding:20px clamp(20px,4vw,56px)}footer div{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:1200px;margin:0 auto;font-size:.76rem;color:var(--faint)}