:root{--ink:#1f2a33;--mut:#5b6b77;--line:#d9e1e6;--bg:#f6f8f9;--acc:#0f6b5c;--acc2:#0b5246;--card:#fff}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--acc)}.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
nav a{margin-left:16px;text-decoration:none;font-size:.95rem}
.hero{padding:44px 0 28px}h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.15;margin:0 0 12px;letter-spacing:-.02em}
.lead{font-size:1.15rem;color:var(--mut);max-width:38em;margin:0 0 20px}
h2{font-size:1.35rem;margin:36px 0 12px}h3{font-size:1.1rem;margin:0 0 6px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column}
.card p{margin:0 0 14px;color:var(--mut);font-size:.97rem;flex:1}.card a.more{font-weight:600;text-decoration:none}
.price{font-weight:800;font-size:1.05rem}.row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.btn{display:inline-block;background:var(--acc);color:#fff;font-weight:700;text-decoration:none;padding:13px 22px;border-radius:8px;border:0;font-size:1rem}
.btn:hover{background:var(--acc2)}.btn.off{background:#9aa7b0;cursor:default}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin:18px 0}
ul.ticks{list-style:none;padding:0;margin:0}ul.ticks li{padding:6px 0 6px 28px;position:relative}
ul.ticks li:before{content:"";position:absolute;left:4px;top:15px;width:10px;height:5px;border-left:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg)}
ol{padding-left:22px}dt{font-weight:700;margin-top:12px}dd{margin:4px 0 0;color:var(--mut)}
label{display:block;font-weight:600;margin:14px 0 6px}input,select{width:100%;padding:12px;font-size:1rem;border:1px solid var(--line);border-radius:8px;background:#fff}
.result{font-size:1.6rem;font-weight:800;margin:6px 0}.small{font-size:.9rem;color:var(--mut)}
table{border-collapse:collapse;width:100%;background:var(--card)}th,td{border:1px solid var(--line);padding:9px 10px;text-align:left;font-size:.97rem}th{background:#eef3f6}
footer{border-top:1px solid var(--line);margin-top:48px;padding:22px 0 40px;color:var(--mut);font-size:.9rem}