:root{
  --ink:#141414; --muted:#6b6b6b; --line:#e8e8e8; --soft:#fafafa;
  --radius:14px; --max:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:72px 0}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
h1{font-size:44px;line-height:1.15;letter-spacing:-.02em;font-weight:600;margin:0 0 20px}
h2{font-size:30px;line-height:1.25;letter-spacing:-.01em;font-weight:600;margin:0 0 16px}
h3{font-size:19px;font-weight:600;margin:0 0 8px}
p{margin:0 0 18px}
.lead{font-size:19px;line-height:1.65;color:#3a3a3a}
.muted{color:var(--muted)}

/* ---------- header ---------- */
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);z-index:50}
.nav{max-width:var(--max);margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:32px}
.brand{font-size:19px;letter-spacing:.34em;font-weight:600}
.nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;font-size:14px}
.nav ul a:hover{color:var(--muted)}
.nav .cta{margin-left:auto}
@media(max-width:860px){.nav ul{display:none}.nav .cta{margin-left:auto}}

/* ---------- buttons ---------- */
.btn{display:inline-block;padding:14px 28px;border-radius:999px;background:var(--ink);color:#fff;
  font-size:15px;font-weight:500;border:1px solid var(--ink);transition:opacity .15s}
.btn:hover{opacity:.82}
.btn.ghost{background:#fff;color:var(--ink)}
.btn.sm{padding:10px 20px;font-size:14px}
.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- hero ---------- */
.hero{padding:84px 0 64px;border-bottom:1px solid var(--line)}
.hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
@media(max-width:900px){.hero .grid{grid-template-columns:1fr;gap:36px}h1{font-size:34px}}
.hero figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--soft)}
.hero figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* ---------- stat strip ---------- */
.stats{border-bottom:1px solid var(--line);padding:36px 0;background:var(--soft)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:760px){.stats .grid{grid-template-columns:repeat(2,1fr)}}
.stat b{display:block;font-size:28px;font-weight:600;letter-spacing:-.01em}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
@media(max-width:860px){.cards{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.card p{margin:0;font-size:15px;color:#4a4a4a}
.num{width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:flex;
  align-items:center;justify-content:center;font-size:13px;font-weight:600;margin-bottom:14px}

/* ---------- product grid ---------- */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
@media(max-width:860px){.products{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.products{grid-template-columns:1fr}}
.product{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.product .thumb{background:var(--soft);aspect-ratio:1/1;overflow:hidden}
.product .thumb img{width:100%;height:100%;object-fit:cover}
.product .body{padding:18px;display:flex;flex-direction:column;gap:6px;flex:1}
.product .price{font-weight:600}
.product .cat{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.product .btn{align-self:flex-start;margin-top:auto}

/* ---------- table ---------- */
.tablewrap{overflow-x:auto;margin-top:32px;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:15px}
th,td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--line)}
th{background:var(--soft);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#3a3a3a}
tr:last-child td{border-bottom:none}

/* ---------- faq ---------- */
.faq{margin-top:32px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-size:17px;font-weight:500;list-style:none;display:flex;
  justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin:14px 0 0;color:#4a4a4a;font-size:15px}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:28px}}
ul.check{list-style:none;margin:0;padding:0}
ul.check li{padding-left:30px;position:relative;margin-bottom:12px;font-size:15px}
ul.check li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:8px;
  border-left:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:rotate(-45deg)}

/* ---------- cta band ---------- */
.band{background:var(--ink);color:#fff;padding:64px 0;text-align:center}
.band h2{color:#fff}
.band p{color:rgba(255,255,255,.72);max-width:620px;margin:0 auto}
.band .btn{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 40px;font-size:14px;color:var(--muted)}
.fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
@media(max-width:760px){.fgrid{grid-template-columns:repeat(2,1fr)}}
footer h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 12px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:8px}
footer a:hover{color:var(--ink)}
.fbottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}