:root{--bg:#fff;--fg:#111;--mut:#666;--ac:#25d366;--cd:#f5f5f5}@media(prefers-color-scheme:dark){:root{--bg:#111;--fg:#f2f2f2;--mut:#aaa;--cd:#1c1c1c}}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;background:var(--bg);color:var(--fg);line-height:1.5}a{color:inherit}
header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--cd);z-index:5}.logo{font-weight:800;text-decoration:none;font-size:20px}.logo b{color:var(--ac)}
nav a{margin-left:18px;text-decoration:none}#mb{display:none;background:none;border:0;font-size:24px;color:var(--fg)}
section{max-width:1100px;margin:auto;padding:28px 20px}.hero{text-align:center;padding:60px 20px}.hero h1{font-size:clamp(28px,6vw,48px);margin:0 0 10px}
.btn{display:inline-block;background:var(--ac);color:#000;padding:10px 18px;border-radius:999px;font-weight:700;text-decoration:none;border:0;cursor:pointer}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.card{background:var(--cd);border-radius:14px;overflow:hidden}.card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}.card div{padding:14px}.card h3{margin:0 0 4px;font-size:16px}.pr{color:var(--mut);font-weight:600}
#q{width:100%;padding:12px;border-radius:10px;border:1px solid var(--cd);margin-bottom:16px;background:var(--cd);color:var(--fg)}
.pd{display:grid;grid-template-columns:1fr 1fr;gap:28px}.pd img{width:100%;border-radius:14px}.vid{width:100%;aspect-ratio:16/9;border:0;border-radius:14px}.box{background:var(--cd);padding:14px;border-radius:10px}
footer{text-align:center;padding:30px 20px 90px;color:var(--mut)}footer a{margin:0 8px}.wf{position:fixed;right:16px;bottom:16px;background:var(--ac);color:#000;padding:12px 18px;border-radius:999px;font-weight:700;text-decoration:none;box-shadow:0 4px 14px #0004}
.af{display:grid;gap:10px;max-width:480px;margin:20px auto}.af input,.af textarea{padding:10px;border-radius:8px;border:1px solid #8885;background:var(--cd);color:var(--fg)}
.adm{max-width:760px;margin:auto;padding:20px}.row{display:flex;gap:12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--cd)}.row span{flex:1}.row form{margin:0}
@media(max-width:700px){#mb{display:block}nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg);padding:10px 20px}nav.open{display:block}nav a{display:block;margin:10px 0}.pd{grid-template-columns:1fr}}