:root{--ink:#16231a;--muted:#5b6b60;--line:#e3e8e1;--bg:#fbfaf6;--card:#fff;--brand:#1f6b3a;--brand-2:#e8f2ea;--accent:#f2a900;
--radius:14px;--max:1120px}
@media (prefers-color-scheme:dark){:root{--ink:#e9efe9;--muted:#a9b6ac;--line:#2a332d;--bg:#121713;--card:#1a211c;--brand:#5fbf7f;--brand-2:#1f2b23}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC",sans-serif}
a{color:var(--brand)}img,video{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
header.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.logo b{color:var(--brand)}
nav a{color:var(--ink);text-decoration:none;margin-left:18px;font-size:15px}nav a:hover{color:var(--brand)}
@media (max-width:640px){nav a.hide-sm{display:none}nav a{margin-left:12px}}
.hero{padding:56px 0 28px}.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-2);padding:5px 12px;border-radius:99px}
h1{font-size:clamp(30px,5vw,48px);line-height:1.1;letter-spacing:-.025em;margin:16px 0 12px}
h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;margin:48px 0 16px}
.lead{font-size:clamp(17px,2vw,19px);color:var(--muted);max-width:720px}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:600;text-decoration:none;border:1px solid var(--brand)}
.btn.primary{background:var(--brand);color:#fff}.btn.ghost{color:var(--brand);background:transparent}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}.card .b{padding:14px 16px 18px}.card h3{margin:0 0 4px;font-size:17px}
.card .p{color:var(--muted);font-size:14px}.card:hover{border-color:var(--brand)}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:2px 8px;border-radius:99px;background:var(--brand-2);color:var(--brand);margin-top:8px}
.how{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.step b{display:block;margin-bottom:6px}
.prod{display:grid;gap:36px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);padding:28px 0;align-items:start}.prod h1{font-size:clamp(26px,3.4vw,38px)}@media (max-width:860px){.prod{grid-template-columns:minmax(0,1fr)}}
.gallery .main{border-radius:var(--radius);overflow:hidden;background:var(--card);border:1px solid var(--line)}
.gallery{position:sticky;top:76px}.gallery .main img,.gallery .main video{width:100%;aspect-ratio:4/3;object-fit:cover;background:#000}@media (max-width:860px){.gallery{position:static}}
.thumbs{display:flex;gap:8px;overflow-x:auto;margin-top:10px;padding-bottom:4px}
.thumbs button{border:2px solid transparent;border-radius:8px;padding:0;background:none;cursor:pointer;flex:0 0 72px}
.thumbs button[aria-current=true]{border-color:var(--brand)}.thumbs img{width:72px;height:72px;object-fit:cover;border-radius:6px}
.price{font-size:20px;margin:6px 0 4px}.avail{font-size:14px;color:var(--muted)}
ul.spec{padding-left:20px}ul.spec li{margin:6px 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:8px 0}.faq summary{cursor:pointer;font-weight:600}
form.q{display:grid;gap:12px;max-width:560px}form.q input,form.q select,form.q textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--ink);font:inherit}
.note{font-size:14px;color:var(--muted)}.hp{position:absolute;left:-9999px}
footer{margin-top:64px;border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}
.crumbs{font-size:14px;color:var(--muted);margin-top:18px}.crumbs a{color:var(--muted)}