:root{--g:#1f6f5c;--g-dark:#16503f;--g-soft:#e9f4f0;--ink:#17332c;--muted:#5a746d;--line:#d7e4df;--bg:#fbfdfc;--warn:#fff8e1;--red:#b93a2e}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Sarabun',Tahoma,sans-serif;font-size:17px;line-height:1.7;color:var(--ink);background:var(--bg)}
h1,h2,h3{font-family:'Prompt','Sarabun',Tahoma,sans-serif;line-height:1.3;margin:0 0 .5em}
h1{font-size:clamp(28px,6vw,46px)}
h2{font-size:clamp(23px,4.5vw,32px);text-align:center}
img{max-width:100%;height:auto;display:block}
a{color:var(--g)}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
section{padding:56px 0}
.alt{background:var(--g-soft)}
.btn{display:inline-block;background:var(--g);color:#fff;border:0;border-radius:12px;padding:15px 28px;font:600 19px 'Prompt',sans-serif;text-decoration:none;cursor:pointer;box-shadow:0 6px 18px rgba(31,111,92,.25)}
.btn:hover{background:var(--g-dark)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:#fff;color:var(--g);box-shadow:none;border:2px solid var(--g)}
.hero{padding:40px 0 48px;background:linear-gradient(160deg,#f3faf7,#e2f1eb)}
.hero-grid{display:grid;gap:28px;align-items:center}
@media(min-width:820px){.hero-grid{grid-template-columns:1.05fr 1fr}}
.tag{display:inline-block;background:var(--g);color:#fff;border-radius:999px;padding:3px 14px;font-size:15px;margin-bottom:14px}
.lead{font-size:19px;color:var(--muted)}
.hero img{border-radius:16px;box-shadow:0 14px 40px rgba(31,111,92,.2)}
.price-line{display:flex;align-items:baseline;gap:12px;margin:18px 0}
.price{font:700 40px 'Prompt',sans-serif;color:var(--g)}
.small{font-size:14px;color:var(--muted)}
.cards{display:grid;gap:16px;margin-top:24px}
@media(min-width:720px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{font-size:19px;color:var(--g)}
.shots{display:grid;gap:22px;margin-top:24px}
.shots figure{margin:0;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.shots figcaption{padding:10px 14px;font-size:15px;color:var(--muted)}
ul.check{list-style:none;padding:0;max-width:640px;margin:20px auto}
ul.check li{padding:8px 0 8px 34px;position:relative;border-bottom:1px dashed var(--line)}
ul.check li:before{content:'✓';position:absolute;left:4px;color:var(--g);font-weight:700}
.buybox{max-width:520px;margin:24px auto 0;background:#fff;border:2px solid var(--g);border-radius:18px;padding:26px;text-align:center}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px auto;max-width:720px}
summary{font-weight:600;cursor:pointer}
footer{padding:30px 0 90px;font-size:14px;color:var(--muted);text-align:center}
footer a{margin:0 8px}
.sticky{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:10px 16px;display:flex;gap:10px;justify-content:center;z-index:5}
.sticky .btn{padding:12px 18px;font-size:17px;flex:1;max-width:360px;text-align:center}
@media(min-width:820px){.sticky{display:none}footer{padding-bottom:30px}}
dialog{border:0;border-radius:18px;padding:0;width:min(440px,calc(100vw - 32px));box-shadow:0 20px 60px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(10,30,25,.55)}
.dlg{padding:22px}
.dlg h3{font-size:21px}
.dlg label{display:block;font-size:15px;margin:12px 0 4px}
.dlg input[type=email],.dlg input[type=text],.dlg input[type=tel]{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit}
.dlg .consent{display:flex;gap:8px;align-items:flex-start;font-size:14px;margin:14px 0}
.dlg .consent input{margin-top:5px}
.dlg .btn{width:100%;margin-top:6px}
.err{color:var(--red);font-size:15px;min-height:1.2em}
.x{float:right;background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:var(--muted)}
.qr{width:260px;max-width:100%;margin:10px auto;border:1px solid var(--line);border-radius:12px}
.center{text-align:center}
.legal{max-width:760px}
.legal h1{font-size:30px}
.legal h2{text-align:left;font-size:21px;margin-top:1.4em}