:root{--bg:#f7f9fc;--surface:#fff;--ink:#0f2034;--sub:#54657a;--line:#e2e8f0;--navy:#0b3a6e;--red:#d70000;--co2:#0e9f8e;--pay:#e0a106}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.tnum{font-variant-numeric:tabular-nums}.shell{max-width:1200px;margin:0 auto;padding:0 clamp(16px,3vw,32px)}.topbar{z-index:20;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0}.topbar .row{justify-content:space-between;align-items:center;padding:14px 0;display:flex}.topbar img{height:26px}.topbar nav a{color:var(--sub);border-bottom:2px solid #0000;margin-left:22px;padding:6px 2px;font-size:14px}.topbar nav a:hover,.topbar nav a[aria-current=page]{color:var(--navy);border-color:var(--red)}@media (max-width:680px){.topbar nav a{margin-left:12px;font-size:13px}}h1,h2,h3{letter-spacing:-.02em;color:var(--ink);margin:0}h1{font-size:clamp(30px,5vw,52px);font-weight:800}.kicker{text-transform:uppercase;letter-spacing:.16em;color:var(--red);font-size:12px;font-weight:600}.lead{color:var(--sub);max-width:60ch;font-size:clamp(16px,2vw,19px)}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:clamp(18px,2.4vw,28px)}.metric b{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.1;display:block}.metric span{color:var(--sub);font-size:13px}.grid4{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.grid2{grid-template-columns:1.1fr .9fr;gap:20px;display:grid}@media (max-width:820px){.grid4{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}}input[type=range]{width:100%;accent-color:var(--red);height:28px}label{color:var(--sub);font-size:13px;font-weight:600}.val{font-size:24px;font-weight:800}.btn{background:var(--red);color:#fff;cursor:pointer;border:0;border-radius:10px;align-items:center;gap:8px;padding:12px 20px;font-size:15px;font-weight:600;display:inline-flex}.btn:hover{background:#b40000}.note{color:var(--sub);font-size:12px}table.spec{border-collapse:collapse;width:100%;font-size:14px}table.spec th,table.spec td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px}table.spec th{color:var(--sub);font-weight:600}footer{border-top:1px solid var(--line);color:var(--sub);margin-top:40px;padding:28px 0 70px;font-size:14px}footer a:hover{color:var(--red)}.flag{background:var(--navy);color:#fff;text-align:center;letter-spacing:.1em;z-index:50;padding:6px;font-size:11px;position:fixed;bottom:0;left:0;right:0}:focus-visible{outline:2px solid var(--red);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}