:root{--ink:#14202b;--muted:#5b6b78;--bg:#f7f8fa;--card:#fff;--accent:#1f6feb;--line:#dde3e9;--warn:#fff4d6}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}a{color:var(--accent)}
.site-header{background:#fff;border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 20px}
.brand{font-weight:700;text-decoration:none;color:var(--ink)}nav a{margin-left:16px;text-decoration:none}
.muted{color:var(--muted);font-weight:400}
.hero{padding:56px 0 32px}.hero h1{font-size:2.2rem;line-height:1.2;margin:0 0 12px}.hero p{font-size:1.15rem;max-width:720px}
section{padding:28px 0}h2{font-size:1.6rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column}
.card h3{margin:0 0 6px}.price{font-size:1.8rem;font-weight:700}.price small{font-size:.8rem;font-weight:400;color:var(--muted);display:block}
.card ul{padding-left:18px;margin:8px 0}.card .excl{color:var(--muted);font-size:.9rem}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 16px;border-radius:8px;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn[aria-disabled=true]{background:#8aa9d6;cursor:not-allowed}.card .btn{margin-top:auto;text-align:center}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;margin:10px 0;padding-left:40px;position:relative}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;text-align:center;line-height:28px;font-weight:700}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0}summary{font-weight:600;cursor:pointer}
form label{display:block;font-weight:600;margin-top:14px}form input,form select,form textarea{width:100%;padding:9px;border:1px solid var(--line);border-radius:6px;font:inherit}
form .hint{font-weight:400;color:var(--muted);font-size:.9rem}.notice{background:#eef4ff;border:1px solid #c9dafc;border-radius:8px;padding:12px 14px}
.prose{max-width:760px}.cta{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.site-footer{padding:28px 0;font-size:.9rem}table{border-collapse:collapse;width:100%}td,th{border:1px solid var(--line);padding:8px;text-align:left;background:#fff}
.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}.demo-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}.demo-grid img{width:100%;height:auto;border-radius:6px;display:block}.demo-grid figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}
.btn-ghost{background:#fff;color:var(--accent);border:1px solid var(--accent);margin-left:8px}.grid.feature{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.card.care{border-color:var(--accent)}#reliability .card p{margin:0}
fieldset{border:1px solid var(--line);border-radius:10px;padding:6px 16px 16px;margin:18px 0;background:#fff}legend{font-weight:700;padding:0 6px}.checks{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:2px 12px}.checks label{font-weight:400;margin-top:6px}.checks input{width:auto;margin-right:6px}
.prose li .btn{padding:4px 10px;font-size:.9rem;margin-left:4px}