:root{--navy:#0F2A4A;--teal:#1A9E8F;--ink:#1d2733;--mute:#5A697D;--line:#d7dee6;--bg:#f6f8fa}
*{box-sizing:border-box}body{margin:0;font-family:Inter,"Noto Sans",system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);line-height:1.6;background:#fff}
a{color:#13756a}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.nav{display:flex;justify-content:space-between;align-items:center;height:62px}
.logo{font-weight:800;color:var(--navy);text-decoration:none;font-size:18px;display:flex;align-items:center;gap:8px}
.mark{background:var(--navy);color:#7fd6cb;border-radius:7px;padding:3px 7px;font-size:13px}
nav a{margin-left:22px;color:var(--ink);text-decoration:none;font-weight:500}nav a:hover{color:var(--teal)}
.hero{background:linear-gradient(135deg,#0F2A4A,#173d66);color:#fff;padding:72px 0 64px}
.hero h1{font-size:40px;line-height:1.15;max-width:760px;margin:0 0 16px}.hero p{font-size:19px;color:#d8e3ef;max-width:700px}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;padding:11px 20px;border-radius:8px;margin:6px 6px 6px 0;border:2px solid var(--teal)}
.btn:hover{background:#158579}.btn.ghost{background:transparent;color:var(--teal)}.btn.ghost.light{color:#fff;border-color:#7fd6cb}
h2{color:var(--navy);margin-top:44px}.lead{color:var(--mute);font-size:17px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.card img{width:100%;height:190px;object-fit:cover;object-position:top;border-bottom:1px solid var(--line);background:var(--bg)}
.cbody{padding:18px}.card h3{margin:0 0 6px;color:var(--navy);font-size:18px}.meta{font-size:13px;color:var(--mute);margin:8px 0}
.price{font-size:28px;font-weight:800;color:var(--navy)}.price span{font-size:13px;font-weight:500;color:var(--mute)}
.bundle{margin-top:26px;background:#eef7f6;border:2px solid var(--teal);border-radius:12px;padding:22px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.bundle h3{margin:0;color:var(--navy)}.two{display:grid;grid-template-columns:1fr 1fr;gap:30px}
details{border-bottom:1px solid var(--line);padding:12px 0}summary{font-weight:600;cursor:pointer}
.product{max-width:860px}.pbox{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px;margin:18px 0}
img.wide{width:100%;border:1px solid var(--line);border-radius:8px}.pair{display:flex;gap:16px}.pair img{width:48%;border:1px solid var(--line);border-radius:6px}
.prose{max-width:820px;padding-bottom:30px}.small{font-size:13px;color:var(--mute)}.big{font-size:22px;font-weight:700}
footer.site{margin-top:60px;background:var(--navy);color:#cbd6e3;padding:34px 0;font-size:14px}footer a{color:#7fd6cb}
.fgrid{display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:24px}footer .small{color:#aebfd3}
@media(max-width:720px){.hero h1{font-size:30px}.two,.fgrid{grid-template-columns:1fr}nav a{margin-left:12px}}