:root{--a:#ff5a3c;--ink:#1b1d22;--mut:#6b7080;--bg:#f6f7f9;--card:#fff}
*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit}.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.demo{background:#b00020;color:#fff;text-align:center;font-weight:700;padding:8px;position:sticky;top:0;z-index:9}
.top{background:#fff;border-bottom:1px solid #e6e8ec}.hd{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo{font-size:22px;text-decoration:none;font-weight:600}.logo b{color:var(--a)}.gl{font-weight:600}
.cats{display:flex;gap:6px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}.cats a{white-space:nowrap;text-decoration:none;padding:6px 12px;border-radius:99px;background:var(--bg);font-size:14px}
.disc{font-size:13px;color:var(--mut);margin:10px auto}
.hero{background:linear-gradient(135deg,#ff5a3c,#ff9a3c);color:#fff;border-radius:18px;padding:28px 22px;margin:8px 0 20px}.hero h1{margin:0 0 6px;font-size:clamp(24px,5vw,38px)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.card{background:var(--card);border-radius:14px;padding:10px;display:flex;flex-direction:column;box-shadow:0 1px 3px #0001}
.card a{text-decoration:none}.im{position:relative}.card img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:10px;background:#eee}
.card h3{font-size:14px;font-weight:500;margin:8px 0 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.b{background:var(--a);color:#fff;font-weight:700;font-size:12px;padding:2px 7px;border-radius:6px}.im .b{position:absolute;top:8px;left:8px}
.pr strong{font-size:18px}.pr s,.pd s{color:var(--mut);font-size:13px}.meta{font-size:12px;color:var(--mut);margin-bottom:8px}
.low{color:#0a7d38;font-weight:600}
.btn{margin-top:auto;display:block;text-align:center;background:var(--ink);color:#fff!important;padding:9px;border-radius:10px;font-weight:600}
.btn.big{display:inline-block;padding:13px 26px;background:var(--a);font-size:17px}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chips a{background:#fff;padding:10px 14px;border-radius:12px;text-decoration:none;font-weight:600}.chips small{color:var(--mut)}
ul.gl{padding-left:18px}ul.gl li{margin:6px 0}
.pd{display:grid;grid-template-columns:minmax(0,400px) 1fr;gap:24px;background:#fff;padding:18px;border-radius:16px}.pd img{width:100%;height:auto;border-radius:12px}
.pd h1{font-size:clamp(20px,3vw,28px);margin:0 0 8px}.pr.big strong{font-size:30px}.small{font-size:12px;color:var(--mut)}
@media(max-width:700px){.pd{grid-template-columns:1fr}}
.chart{width:100%;height:auto;background:#fff;border-radius:14px;font-size:12px;fill:var(--mut)}.chart circle{fill:var(--a)}
.crumb{font-size:13px;color:var(--mut)}footer{margin-top:40px;background:#fff;border-top:1px solid #e6e8ec;font-size:13px;color:var(--mut);padding:18px 0}
.tl{display:flex;gap:14px;font-weight:600;font-size:15px}.tl a{text-decoration:none}
.lead{font-size:17px;max-width:820px}.xl{background:#fff;padding:10px 14px;border-radius:10px;font-size:14px}
.note{background:#fff7e0;border:1px solid #f3d27a;border-radius:12px;padding:12px 14px;margin:12px 0;font-size:14px}
.faq details{background:#fff;border-radius:10px;padding:10px 14px;margin:8px 0}.faq summary{font-weight:600;cursor:pointer}
ul.cols{columns:2 280px}.art{background:#fff;border-radius:16px;padding:8px 22px 18px;max-width:860px}
.calc{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;background:#fff;padding:16px;border-radius:16px}
.calc label{display:flex;flex-direction:column;font-size:13px;font-weight:600;gap:4px}.calc input,.calc select{font:inherit;padding:9px;border:1px solid #d6d9df;border-radius:9px}
.res{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin:14px 0}.res div{background:#fff;border-radius:12px;padding:12px}
.res span{display:block;font-size:12px;color:var(--mut)}.res b{font-size:22px}.pos{color:#0a7d38}.neg{color:#b00020}
@media(max-width:600px){.tl{gap:10px;font-size:13px}}