/* ByteHub design system — same tokens as the ByteHub app screens */
:root{
  --wine:#7A1F35; --wine-tint:#F7EDF0; --wine-soft:#8E5568;
  --page:#F4F4F5; --card:#FFFFFF; --line:rgba(0,0,0,0.08);
  --ink:#111114; --ink-2:#6B6B72; --ink-3:#9A9AA1; --fill:#EFEFF1;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:'Poppins',sans-serif;letter-spacing:-0.01em;background:var(--page);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:var(--wine);text-decoration:none}
.i{flex:none}
.nav{background:var(--card);border-bottom:0.5px solid var(--line)}
.nav .in{max-width:1080px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:10px}
.nav img{width:30px;height:30px;border-radius:8px}
.nav b{font-size:15px;font-weight:500}
.nav span{margin-left:auto;font-size:11px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px}
.main{max-width:1080px;margin:0 auto;padding:40px 24px 56px;display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:start}
@media(max-width:900px){.main{grid-template-columns:1fr;padding:24px 16px 40px;gap:26px}}
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--wine-tint);border-radius:999px;padding:6px 12px;margin-bottom:16px}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--wine)}
.tag span{font-size:11px;font-weight:500;color:var(--wine)}
h1{font-size:34px;font-weight:500;line-height:1.18;letter-spacing:-0.02em}
.lead{font-size:13px;color:var(--ink-2);line-height:1.75;margin-top:12px;max-width:46ch}
.show{display:flex;gap:18px;align-items:flex-start;margin-top:24px}
@media(max-width:560px){.show{flex-direction:column}}
.phone{width:196px;flex:none;background:var(--card);border-radius:22px;border:0.5px solid var(--line);box-shadow:0 8px 30px rgba(17,17,20,.10);padding:8px}
.phone video{width:100%;display:block;border-radius:16px;aspect-ratio:9/16;object-fit:cover;background:var(--fill)}
.feats{flex:1;display:grid;gap:8px;min-width:0}
.feat{display:flex;gap:11px;align-items:center;background:var(--card);border:0.5px solid var(--line);border-radius:12px;padding:11px 13px}
.feat .ic{width:32px;height:32px;border-radius:50%;background:var(--wine-tint);color:var(--wine);display:flex;align-items:center;justify-content:center;flex:none}
.feat p{font-size:12px;font-weight:500}
.feat small{display:block;font-size:10px;color:var(--ink-3);font-weight:400;margin-top:1px}
.note{display:flex;gap:9px;background:var(--wine-tint);border-radius:10px;padding:11px 12px;margin-top:14px}
.note .i{color:var(--wine);margin-top:1px}
.note p{font-size:11px;color:var(--wine-soft);line-height:1.6}
.card{background:var(--card);border:0.5px solid var(--line);border-radius:12px;padding:15px}
.checkout{position:sticky;top:20px}
.sum{text-align:center;padding:22px 15px 18px}
.sum .k{font-size:11px;color:var(--ink-3)}
.sum .p{font-size:34px;font-weight:500;margin-top:5px}
.sum .p span{color:var(--ink-3)}
.sum .s{font-size:10px;color:var(--ink-3);margin-top:5px}
.grp{font-size:10px;color:var(--ink-3);margin:16px 0 7px;padding-left:2px}
select,input{width:100%;background:var(--fill);border:1.5px solid transparent;border-radius:12px;padding:12px 13px;font:inherit;font-size:14px;color:var(--ink);outline:none;appearance:none;-webkit-appearance:none}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239A9AA1' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:36px}
select:focus,input:focus{border-color:var(--wine);background-color:var(--card)}
.tiles{display:flex;gap:7px}
.tile{flex:1;text-align:center;cursor:pointer;background:none;border:0;font:inherit;color:inherit}
.tile .t{height:52px;border-radius:12px;background:var(--card);border:0.5px solid var(--line);display:flex;align-items:center;justify-content:center;gap:4px;color:var(--ink-2)}
.tile .t img{width:24px;height:24px;border-radius:6px;object-fit:contain;background:#fff}
.tile p{margin-top:5px;font-size:10px;color:var(--ink-2)}
.tile.on .t{border:1.5px solid var(--wine);background:var(--wine-tint);color:var(--wine)}
.tile.on p{color:var(--wine);font-weight:500}
.tile.off{opacity:.45;cursor:not-allowed}
.hidden{display:none!important}
.panel{display:none;margin-top:12px}.panel.on{display:block}
.mgroup{background:var(--card);border:0.5px solid var(--line);border-radius:12px;overflow:hidden}
.mrow{display:flex;align-items:center;gap:12px;padding:12px 13px}
.mrow+.mrow{border-top:0.5px solid var(--line)}
.mrow .i{color:var(--wine)}
.mrow .v{flex:1;min-width:0}
.mrow .v p{font-size:12px;font-weight:500;word-break:break-all}
.mrow .v small{display:block;font-size:10px;color:var(--ink-3);margin-top:1px}
.mono{font-family:ui-monospace,'SF Mono',Menlo,monospace;letter-spacing:0.04em}
.copy{border:0.5px solid var(--line);background:var(--page);color:var(--ink-2);border-radius:999px;padding:6px 11px;font:inherit;font-size:10px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:5px;flex:none}
.copy.ok{color:var(--wine);border-color:var(--wine)}
.steps{list-style:none;margin:12px 0 4px;display:grid;gap:8px}
.steps li{display:flex;gap:10px;font-size:11px;color:var(--ink-2);line-height:1.6}
.steps li b{color:var(--ink);font-weight:500}
.steps .n{width:20px;height:20px;border-radius:50%;background:var(--wine-tint);color:var(--wine);font-size:10px;font-weight:500;display:flex;align-items:center;justify-content:center;flex:none}
.qr{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.qr img{width:104px;height:104px;border-radius:10px;background:#fff;padding:6px;border:0.5px solid var(--line);flex:none}
.qr p{font-size:11px;color:var(--ink-2);line-height:1.6}
label{display:block;font-size:10px;color:var(--ink-3);margin:12px 0 5px 2px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(max-width:420px){.two{grid-template-columns:1fr}}
.btn{width:100%;background:var(--wine);color:#fff;border:0;border-radius:999px;padding:13px 0;text-align:center;font:inherit;font-size:13px;font-weight:500;cursor:pointer;margin-top:16px;display:flex;align-items:center;justify-content:center;gap:8px}
.btn:disabled{background:var(--fill);color:var(--ink-3);cursor:not-allowed}
.fine{font-size:10px;color:var(--ink-3);text-align:center;line-height:1.7;margin-top:11px}
.err{display:flex;gap:9px;background:var(--fill);border-radius:12px;padding:11px 12px;margin-bottom:12px;font-size:12px;font-weight:500}
.err .i{color:var(--wine)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.pick{text-align:center;padding:20px 10px;color:var(--ink-3);font-size:11px}
.foot{border-top:0.5px solid var(--line);background:var(--card)}
.foot .in{max-width:1080px;margin:0 auto;padding:20px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:11px;color:var(--ink-3)}
.foot a{color:var(--ink-2);display:inline-flex;align-items:center;gap:5px}
.foot .links{display:flex;gap:18px}
/* result page */
.done{max-width:420px;margin:48px auto;padding:0 16px}
.done .card{text-align:center;padding:26px 18px}
.done .badge{width:54px;height:54px;border-radius:50%;background:var(--wine-tint);color:var(--wine);display:flex;align-items:center;justify-content:center;margin:0 auto 13px}
.done h2{font-size:17px;font-weight:500}
.done p{font-size:12px;color:var(--ink-2);line-height:1.7;margin-top:6px}
.done .ref{display:inline-block;background:var(--wine-tint);color:var(--wine);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:500;margin:12px 0 4px}
.done .rrow{display:flex;justify-content:space-between;gap:14px;padding:10px 0;font-size:11px;text-align:left}
.done .rrow+.rrow{border-top:0.5px solid var(--line)}
.done .rrow .k{color:var(--ink-3)}
.done .rrow .v2{font-weight:500;text-align:right}