:root{
  --paper:#F4F0E8; --panel:#E9E3D8; --ink:#1E1A17; --ink-2:#4F4740; --ink-3:#857B70;
  --line:#D6CCBC; --gold:#9A7B4F;
  --mincho:"Noto Serif TC","Songti TC","Hiragino Mincho ProN",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--paper)}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
main{max-width:560px;margin:0 auto;padding:28px 22px 48px}

/* 按鈕 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-size:16px;letter-spacing:.06em;
     padding:13px 22px;border-radius:999px;border:1px solid var(--ink);background:transparent;color:var(--ink);text-decoration:none;cursor:pointer}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn.wide{display:flex;width:100%;margin-top:22px}
.link{background:none;border:0;color:#fff;text-decoration:underline;font:inherit;margin-top:8px}

/* 首頁 */
.home{min-height:100svh;display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:13px;letter-spacing:.28em;color:var(--gold)}
.home h1{font-family:var(--mincho);font-weight:600;font-size:32px;line-height:1.3;letter-spacing:.06em;margin:12px 0 10px}
.lead{color:var(--ink-2);font-size:15px;margin-bottom:28px}
.home .primary{font-size:18px;padding:16px 22px}
.manual{margin-top:22px}
.manual label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:6px}
.manual div{display:flex;gap:8px}
.manual input{flex:1;min-width:0;font:inherit;font-size:16px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:#fff8}
.manual .btn{padding:11px 18px}
.brands{list-style:none;margin-top:30px;border-top:1px solid var(--line)}
.brands li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.brands b{display:inline-block;width:62px;font-family:Georgia,serif;letter-spacing:.12em;color:var(--ink)}
.note{margin-top:22px;font-size:13px;color:var(--ink-3);text-align:center;letter-spacing:.06em}

/* 商品小卡 */
.back{background:none;border:0;font:inherit;font-size:14px;color:var(--ink-3);padding:4px 0;margin-bottom:12px;cursor:pointer}
.hero{background:#fff;border-radius:16px;overflow:hidden;aspect-ratio:1/1;display:grid;place-items:center}
.hero img{width:100%;height:100%;object-fit:contain}
.card .brand{margin-top:18px;font-family:Georgia,serif;letter-spacing:.24em;font-size:13px;color:var(--gold)}
.card h1{font-family:var(--mincho);font-weight:600;font-size:24px;line-height:1.35;letter-spacing:.04em;margin-top:4px}
.var{margin-top:6px;font-family:var(--mincho);font-size:19px}
.var span{display:block;font-family:var(--sans);font-size:14px;color:var(--ink-3)}
.facts{margin-top:16px;border-top:1px solid var(--line)}
.facts div{display:flex;gap:14px;padding:9px 0;border-bottom:1px solid var(--line);font-size:15px}
.facts dt{width:44px;color:var(--ink-3);flex:none}
.note-scent{margin-top:14px;font-family:var(--mincho);font-size:17px;line-height:1.6}
.sub{font-family:var(--mincho);font-size:17px;font-weight:600;letter-spacing:.06em;margin:26px 0 8px}
.fold{border-top:1px solid var(--line)}
.fold:last-of-type{border-bottom:1px solid var(--line)}
.fold summary{list-style:none;cursor:pointer;padding:13px 26px 13px 0;font-size:15px;position:relative}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{content:"＋";position:absolute;right:2px;top:12px;color:var(--gold)}
.fold[open] summary::after{content:"－"}
.fold-b{padding:0 0 14px;font-size:14.5px;color:var(--ink-2)}
.fold-b p + p{margin-top:8px}
.card > .fold:first-of-type{margin-top:18px}

/* AMON 比較 */
.cmp{list-style:none;border-top:1px solid var(--line)}
.cmp li{display:flex;gap:12px;align-items:center;padding:10px 6px;border-bottom:1px solid var(--line)}
.cmp li.me{background:var(--panel);border-radius:8px}
.cmp img{width:58px;height:58px;object-fit:contain;background:#fff;border-radius:8px;flex:none}
.cmp b{display:block;font-weight:500;font-size:14.5px;line-height:1.4}
.cmp em{display:inline-block;font-style:normal;font-size:11px;color:var(--gold);border:1px solid var(--gold);border-radius:99px;padding:0 7px;margin:3px 0}
.cmp span{display:block;font-size:13px;color:var(--ink-3)}
.foot{margin-top:6px;font-size:12px;color:var(--ink-3);text-align:center}

/* 掃描畫面 */
.scan{position:fixed;inset:0;background:#000;z-index:10;display:flex;flex-direction:column}
.stage{position:relative;flex:1;overflow:hidden}
.stage video{width:100%;height:100%;object-fit:cover}
.frame{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.frame i{width:76%;max-width:420px;aspect-ratio:2.2/1;border:2px solid #fff;border-radius:14px;box-shadow:0 0 0 999px rgba(0,0,0,.45)}
.panel{padding:18px 20px calc(18px + env(safe-area-inset-bottom));color:#fff;text-align:center}
.msg{font-size:16px;margin-bottom:14px}
.acts{display:flex;gap:10px;justify-content:center}
.acts .btn{border-color:#fff;color:#fff}