:root{
  --bg:#0c0e12;--bg2:#13161c;--card:#171b22;--card2:#1e232c;
  --line:rgba(255,255,255,.08);--txt:#f4f5f7;--mut:#9aa3b2;
  --gold:#f5b53d;--gold2:#ffd479;--wa:#25d366;--wc:#1aad19;
  --radius:18px;--maxw:560px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Noto Sans SC","Noto Sans JP","Noto Sans KR","Noto Sans Devanagari",sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.55;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;overscroll-behavior-y:none;width:100%;
}
button,a,select,input,label{touch-action:manipulation}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
img{max-width:100%;display:block}
.topbar{position:sticky;top:0;z-index:50;background:rgba(12,14,18,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar .row{display:flex;align-items:center;justify-content:space-between;height:58px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.3px;font-size:19px}
.logo .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2));box-shadow:0 0 14px var(--gold)}
.logo span b{color:var(--gold)}
.langwrap{position:relative}
.langbtn{display:flex;align-items:center;gap:6px;background:var(--card2);border:1px solid var(--line);color:var(--txt);font-size:14px;font-weight:600;padding:9px 13px;border-radius:11px;cursor:pointer;min-height:42px}
.langbtn svg{width:13px;height:13px;opacity:.7}
.langmenu{position:absolute;right:0;top:48px;background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:6px;min-width:170px;display:none;box-shadow:0 18px 50px rgba(0,0,0,.5);max-height:64vh;overflow:auto}
.langmenu.open{display:block}
.langmenu button{display:flex;width:100%;align-items:center;gap:10px;background:none;border:0;color:var(--txt);font-size:14.5px;padding:11px 12px;border-radius:9px;cursor:pointer;text-align:left;font-weight:500;min-height:44px}
.langmenu button:active{background:rgba(255,255,255,.06)}
.langmenu button .fl{font-size:18px;line-height:1}
.langmenu button.active{color:var(--gold);font-weight:700}
.hero{position:relative;padding:30px 0 8px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:520px;height:520px;max-width:120vw;border-radius:50%;background:radial-gradient(circle,rgba(245,181,61,.18),transparent 62%);filter:blur(10px);z-index:0}
.hero .wrap{position:relative;z-index:1}
h1{font-size:30px;line-height:1.18;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.hero p.sub{color:var(--mut);font-size:16px;max-width:430px;margin:0 auto}
.hero-img{margin:14px auto 4px;max-width:300px;width:80%;height:auto;border-radius:24px;filter:drop-shadow(0 30px 40px rgba(0,0,0,.55));transition:opacity .25s}
.pricecard{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:8px 0 22px;text-align:center;position:relative;overflow:hidden}
.pricecard::after{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:linear-gradient(160deg,rgba(245,181,61,.5),transparent 45%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.pricecard .lbl{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--mut);font-weight:700}
.price{font-size:54px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin:4px 0 2px}
.price .cur{color:var(--gold);font-size:22px;font-weight:700;letter-spacing:.5px;margin-left:8px;vertical-align:baseline}
.pricecard .note{color:var(--gold2);font-size:14.5px;font-weight:600}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;font-size:17px;font-weight:700;padding:16px;border-radius:14px;border:0;cursor:pointer;text-decoration:none;transition:transform .12s ease,filter .12s ease;min-height:54px}
.btn:active{transform:scale(.98)}
.btn-wa{background:var(--wa);color:#062b14}
.btn-out{background:var(--card2);color:var(--txt);border:1px solid var(--line)}
.btn svg{width:21px;height:21px;flex:none}
.btnstack{display:flex;flex-direction:column;gap:11px}
section{padding:34px 0}
.sec-h{font-size:13px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);text-align:center;margin-bottom:6px}
.sec-t{font-size:23px;font-weight:800;text-align:center;letter-spacing:-.4px;margin-bottom:22px}
.steps{display:flex;flex-direction:column;gap:12px}
.step{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.step .n{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1205}
.step .tx{font-size:15.5px;color:var(--txt);padding-top:4px}
.colors{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.color{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:10px 10px 14px;text-align:center}
.color img{border-radius:11px;background:#f3f4f6;margin-bottom:9px;aspect-ratio:1/1.15;object-fit:contain;width:100%}
.color .cn{font-size:14.5px;font-weight:700}
.swatch{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle;border:1px solid rgba(255,255,255,.25)}
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.spec{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px}
.spec .v{font-size:18px;font-weight:800;color:var(--gold2)}
.spec .k{font-size:12.5px;color:var(--mut);margin-top:2px}
.trust{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:6px}
.trust .t{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 13px;font-size:13.5px;font-weight:600}
.trust .t svg{width:19px;height:19px;color:var(--gold);flex:none}
.battcard{display:flex;align-items:center;gap:14px;background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid rgba(245,181,61,.28);border-radius:var(--radius);padding:16px 18px}
.batticon{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(245,181,61,.12);color:var(--gold)}
.batticon svg{width:24px;height:24px}
.battinfo{flex:1}
.battt{font-size:16px;font-weight:800}
.battn{font-size:13px;color:var(--mut);margin-top:2px}
.battprice{flex:none;font-size:18px;font-weight:800;color:var(--gold2);white-space:nowrap}
.formcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--mut);margin-bottom:6px}
.field input,.field select{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:11px;color:var(--txt);font-size:16px;padding:14px;font-family:inherit;min-height:50px}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold)}
.check{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--txt);background:var(--bg2);border:1px solid var(--line);border-radius:11px;padding:14px;margin-bottom:14px;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--gold);flex:none}
.formnote{font-size:13px;color:var(--mut);text-align:center;margin-top:12px}
.b2b{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px}
.b2bsub{color:var(--mut);font-size:15px;text-align:center;max-width:430px;margin:0 auto 18px}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bf{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:13px;font-size:13.5px;font-weight:600;line-height:1.3}
.bf svg{width:24px;height:24px;color:var(--gold);flex:none}
.qrgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.wechat{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 14px}
.wechat .wt{font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}
.wechat .wt svg{width:20px;height:20px;color:var(--wc)}
.wechat .wn{color:var(--mut);font-size:13px;margin-top:6px}
.wechat .qr{width:100%;max-width:170px;aspect-ratio:1;height:auto;margin:14px auto 0;border-radius:14px;background:#fff;padding:8px}
@media(max-width:419px){.qrgrid{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);padding:26px 0 40px;text-align:center}
footer .fl{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:17px;margin-bottom:8px}
footer .fl .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2))}
footer .co{color:var(--mut);font-size:13.5px}
footer .cp{color:#5d6573;font-size:12px;margin-top:10px}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(0deg,var(--bg) 55%,transparent)}
.sticky .inner{max-width:var(--maxw);margin:0 auto}
body{padding-bottom:92px}
@media(min-width:480px){h1{font-size:34px}.price{font-size:60px}}
/* ---- nuevo ---- */
.sticky .btn{box-shadow:0 10px 30px rgba(0,0,0,.45)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1205}
.btn[disabled]{opacity:.55;pointer-events:none}
.gal{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gal img{width:100%;height:100%;object-fit:cover;border-radius:16px;border:1px solid var(--line);aspect-ratio:3/4}
.meas{background:#fff;border-radius:16px;padding:6px;margin-bottom:12px}
.meas img{width:100%;height:auto;border-radius:12px}
.dims{display:grid;gap:10px}
.dims .spec{display:flex;justify-content:space-between;align-items:center;gap:12px}
.dims .spec .k{margin:0;font-size:13.5px}
.dims .spec .v{font-size:16px;text-align:right}
.note-s{font-size:12.5px;color:var(--mut);text-align:center;margin-top:10px}
.incl img{width:100%;height:auto;border-radius:16px;border:1px solid var(--line)}
.incl p{color:var(--mut);text-align:center;font-size:14.5px;margin-top:12px}
.calc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px}
.calc h3{font-size:14px;color:var(--mut);font-weight:700;margin-bottom:10px;text-transform:uppercase;letter-spacing:.8px}
.qrow{display:flex;align-items:center;gap:12px;padding:9px 0;border-top:1px solid var(--line)}
.qrow:first-of-type{border-top:0}
.qrow .qi{width:46px;height:52px;border-radius:9px;background:#f3f4f6;object-fit:contain;flex:none}
.qrow .qn{flex:1;font-weight:700;font-size:15px;min-width:0}
.qrow .qn small{display:block;color:var(--mut);font-weight:500;font-size:12.5px}
.qty{display:flex;align-items:center;gap:4px;flex:none}
.qty button{width:42px;height:42px;border-radius:11px;border:1px solid var(--line);background:var(--card2);color:var(--txt);font-size:22px;font-weight:700;cursor:pointer;line-height:1}
.qty button:active{background:rgba(255,255,255,.1)}
.qty output{min-width:34px;text-align:center;font-size:18px;font-weight:800}
.battrow{margin-top:6px;border-top:1px dashed rgba(245,181,61,.35);padding-top:12px}
.totalbox{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid rgba(245,181,61,.35);border-radius:var(--radius);padding:16px 18px;margin-bottom:14px}
.totalbox .tl{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--mut);font-weight:700}
.totalbox .tv{font-size:36px;font-weight:800;letter-spacing:-.5px;color:var(--gold2);line-height:1.15}
.totalbox .tv small{font-size:16px;color:var(--gold);margin-left:6px}
.totalbox .ta{font-size:15px;color:var(--txt);margin-top:2px}
.totalbox .tf{font-size:12.5px;color:var(--mut);margin-top:6px}
.curpick{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--mut)}
.curpick select{background:var(--bg2);border:1px solid var(--line);color:var(--txt);border-radius:9px;padding:8px;font-size:14px;min-height:38px}
.pays{display:grid;gap:9px;margin-bottom:14px}
.pay{display:flex;align-items:center;gap:11px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px;font-weight:600;font-size:14.5px;cursor:pointer}
.pay input{width:20px;height:20px;accent-color:var(--gold);flex:none}
.pay:has(input:checked){border-color:var(--gold)}
.field textarea{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:11px;color:var(--txt);font-size:16px;padding:14px;font-family:inherit;min-height:110px;resize:vertical}
.field textarea:focus{outline:none;border-color:var(--gold)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.msg{display:none;border-radius:12px;padding:13px 14px;font-size:14.5px;font-weight:600;margin-top:12px;text-align:center}
.msg.err{display:block;background:rgba(255,90,90,.12);border:1px solid rgba(255,90,90,.4);color:#ffb4b4}
.msg.ok{display:block;background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.4);color:#9cf0bd}
.nopay{background:rgba(245,181,61,.1);border:1px solid rgba(245,181,61,.3);border-radius:12px;padding:13px;font-size:14px;color:var(--gold2);margin-bottom:14px}
.modal{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal .box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;width:100%;max-width:400px;max-height:92vh;overflow:auto}
.modal h3{font-size:19px;margin-bottom:4px}
.modal .ms{color:var(--mut);font-size:14px;margin-bottom:16px}
.modal .row2{display:flex;gap:10px;margin-top:6px}
.modal .row2 .btn{min-height:50px;font-size:15.5px}
.login-trigger{cursor:default;background:none;border:0;color:inherit;font:inherit;font-weight:800;padding:0}
.wechat .btn{margin-top:14px;min-height:46px;font-size:14.5px}
.single{max-width:230px;margin:0 auto}
.langmenu a{display:flex;width:100%;align-items:center;gap:10px;color:var(--txt);text-decoration:none;font-size:14.5px;padding:11px 12px;border-radius:9px;font-weight:500;min-height:44px}
.langmenu a:active{background:rgba(255,255,255,.06)}
.langmenu a .fl{font-size:18px;line-height:1}
.langmenu a.active{color:var(--gold);font-weight:700}
.curpick{flex-wrap:wrap}
.curpick select{flex:1;min-width:0;max-width:100%;text-overflow:ellipsis}
.two>*{min-width:0}
.two{align-items:end}
.totalbox .ta+.tf+.ta{margin-top:10px}.totalbox #totNote{margin-top:8px}
.ptype{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.pt{display:flex;align-items:center;gap:7px;background:var(--bg2);border:1px solid var(--line);border-radius:30px;padding:9px 14px;font-size:14px;font-weight:600;color:var(--txt);cursor:pointer;margin:0}
.pt input{width:18px;height:18px;accent-color:var(--gold);flex:none}
.pt:has(input:checked){border-color:var(--gold);color:var(--gold2)}
.wechat .wt svg{width:20px;height:20px}
.wechat .wt.wa{color:var(--wa)}.wechat .wt.wa svg{color:var(--wa)}
.field .pt{display:flex;align-items:center;gap:7px;margin:0;font-size:14px;color:var(--txt);padding:9px 14px}
.field .pt input{width:18px;height:18px;min-height:0;padding:0;border-radius:50%}
.field .pt span{line-height:1}