:root{--ink:#173044;--muted:#61717e;--blue:#0f7fbd;--dark:#075b8b;--soft:#d8eef9;--bg:#f4f8fa;--line:#d9e4ea}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:auto;padding:0 24px}header{height:56px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center}
.nav{display:flex;align-items:center;justify-content:space-between;width:100%;gap:28px}.brand img{width:178px;display:block}nav{display:flex;gap:28px;font-weight:600;color:#405565}
.hero{padding:26px 0 20px}.heroBox{background:white;border:1px solid var(--line);border-radius:15px;padding:18px 22px;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center}
.icon{width:78px;height:78px;object-fit:contain}h1{font-size:24px;margin:0 0 3px}.tag{margin:0;color:var(--muted);font-size:15px}.priceBox{text-align:right}.price{font-size:20px;font-weight:800}.small{font-size:13px;color:var(--muted);font-weight:500}.buy{display:inline-block;margin-top:8px;background:var(--dark);color:white;padding:7px 14px;border-radius:7px;font-weight:700}
section{padding:25px 0}h2{font-size:21px;margin:0 0 7px}.lead{font-size:15px;color:var(--muted);max-width:790px;margin:0 0 18px}
.feature,.box,figure{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.featureGrid{display:grid;grid-template-columns:.95fr 1.25fr}.copy{padding:23px}.copy h3,.box h3{font-size:17px;margin:0 0 8px}.copy p{color:var(--muted);margin:0 0 11px}.steps{font-weight:700;color:var(--dark);margin-top:14px}
.shot{width:100%;height:100%;min-height:330px;object-fit:contain;background:#eef2f4;padding:10px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.box{padding:19px}.box ul{margin:0;padding-left:18px;color:var(--muted)}.box li{margin:7px 0}
.four{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mini{background:white;border:1px solid var(--line);border-radius:12px;padding:16px}.mini h3{font-size:15px;margin:0 0 6px}.mini p{font-size:13px;color:var(--muted);margin:0}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:18px}figure{margin:0}figure img{width:100%;height:290px;object-fit:contain;background:#eef2f4;padding:10px;display:block}figcaption{padding:12px 15px 14px}figcaption strong{display:block;font-size:15px;margin-bottom:3px}figcaption span{font-size:13px;color:var(--muted)}
.note{background:var(--soft);border:1px solid #b9dceb;border-radius:14px;padding:19px}.note h3{font-size:17px;margin:0 0 6px}.note p{margin:0;color:#415b6c}
.bottom{background:white;border-block:1px solid var(--line);padding:24px 0}.bottomIn{display:flex;align-items:center;justify-content:space-between;gap:20px}.bottom h2{margin:0 0 3px}.bottom p{margin:0;color:var(--muted)}footer{padding:20px 0 28px;color:#71808b;font-size:13px}
@media(max-width:820px){header{height:auto;padding:12px 0}nav{gap:10px 16px;flex-wrap:wrap;justify-content:flex-end;font-size:13px}.heroBox{grid-template-columns:auto 1fr}.priceBox{grid-column:1/-1;text-align:left}.featureGrid,.two,.gallery{grid-template-columns:1fr}.four{grid-template-columns:1fr 1fr}.bottomIn{align-items:flex-start;flex-direction:column}}