/* 啾咖官網：暖深底 Liquid Glass（色 token 唯一真相＝docs/references/design-language-liquid-glass.md） */
/* 字型＝App 同一套（SSOT mobile/assets/fonts；build 時子集化）：Rubik 英數 → 源泉圓體 中文 → 系統 */
@font-face{font-family:"Rubik";src:url("/assets/fonts/Rubik-VF.woff2") format("woff2");font-weight:300 900;font-display:swap}
@font-face{font-family:"GenSenRounded";src:url("/assets/fonts/GenSenRounded-R.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"GenSenRounded";src:url("/assets/fonts/GenSenRounded-B.woff2") format("woff2");font-weight:700;font-display:swap}
:root{
  --bg:#14110C; --card:#1C1812; --bg2:#211C15; --ink:#0D0B08;
  --text:#F5F1EB; --text2:#B8B0A4; --text3:#8A8277;
  --brand:#FF6B35; --action:#D9612F; --ok:#08D3C8; --warn:#FFB020; --crystal:#A66BFF;
  --line:rgba(245,241,235,.10); --glass:rgba(28,24,18,.72);
  --r:20px; --max:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Rubik","GenSenRounded","PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;font-variant-numeric:lining-nums tabular-nums;font-size:18px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.muted{color:var(--text2)} .small{font-size:.9rem} .lead{font-size:1.2rem;color:var(--text2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
section{padding:72px 0}
.eyebrow{display:inline-block;color:var(--brand);font-weight:700;font-size:.95rem;letter-spacing:.08em;margin-bottom:12px}

/* 頂欄（玻璃） */
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:1.15rem}
.brand small{color:var(--text3);font-weight:500;font-size:.85rem;margin-left:4px}
.brand:hover{text-decoration:none}
.top nav{display:flex;gap:18px;align-items:center;font-size:.98rem}
.top nav a{color:var(--text2)} .top nav a:hover{color:var(--text);text-decoration:none}
.cta-sm{background:var(--action);color:#fff!important;padding:8px 16px;border-radius:999px;font-weight:700}
@media (max-width:720px){.top nav a:not(.cta-sm){display:none}}

/* Hero */
.hero{padding:84px 0 56px;background:radial-gradient(900px 420px at 15% 0%,rgba(255,107,53,.14),transparent 60%),radial-gradient(700px 380px at 90% 20%,rgba(8,211,200,.08),transparent 60%)}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}.hero-art{order:-1;max-width:220px;margin:0 auto}}
.hero-art img{width:100%;filter:drop-shadow(0 12px 30px rgba(0,0,0,.45))}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 8px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:14px;font-weight:700;border:1px solid var(--line);color:var(--text);background:var(--card)}
.btn:hover{text-decoration:none;border-color:rgba(245,241,235,.25)}
.btn.primary{background:var(--action);border-color:transparent;color:#fff}
.btn.soon{opacity:.6;cursor:default}
.btn .tag{font-size:.75rem;color:var(--text3);font-weight:500}
.note{color:var(--text3);font-size:.9rem}

/* 卡片 */
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,1fr)} .grid.c3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.grid.c3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid.c2,.grid.c3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:0 1px 0 rgba(255,255,255,.03) inset}
.card h3{display:flex;align-items:center;gap:10px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--brand);flex:none}
.dot.ok{background:var(--ok)} .dot.crystal{background:var(--crystal)} .dot.warn{background:var(--warn)}
.card p{margin:0;color:var(--text2)}

/* 對照 */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:720px){.vs{grid-template-columns:1fr}}
.vs .card ul{margin:0;padding-left:1.2em;color:var(--text2)}
.vs .card li{margin:.35em 0}
.vs .them h3{color:var(--text3)} .vs .us{border-color:rgba(255,107,53,.35)}
.punch{margin-top:22px;font-size:1.25rem;text-align:center}
.punch strong{color:var(--brand)}

/* 玩家／店家 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:820px){.split{grid-template-columns:1fr}}
.split .card ul{margin:8px 0 0;padding:0;list-style:none}
.split .card li{position:relative;padding-left:26px;margin:.55em 0;color:var(--text2)}
.split .card li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:12px;border-radius:50%;background:var(--ok)}
.split .card li strong{color:var(--text)}
.table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.98rem}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{color:var(--text3);font-weight:600}
.table td:last-child{color:var(--text)}
.table td:first-child{color:var(--text3)}

/* 價值 */
.values .card{background:var(--bg2)}
.values blockquote{margin:0 0 18px;padding:0 0 0 18px;border-left:3px solid var(--brand);font-size:1.3rem;color:var(--text)}

/* 學姊三姊妹 */
.sisters{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.sisters figure{margin:0;text-align:center}
.sisters img{width:88px;height:88px;border-radius:50%;object-fit:cover;margin:0 auto 8px;border:2px solid rgba(255,107,53,.5)}
.sisters figcaption{color:var(--text);font-weight:700;font-size:.98rem}
.sisters small{display:block;color:var(--text3);font-weight:400;font-size:.8rem;margin-top:2px}

/* 店家招募 */
.merchant-cta{background:linear-gradient(135deg,rgba(217,97,47,.18),rgba(8,211,200,.08));border:1px solid rgba(255,107,53,.3)}
.honest{border-left:3px solid var(--warn);padding-left:14px;color:var(--text2)}

/* 文件頁 */
.doc{max-width:820px;margin:0 auto;padding:48px 20px 80px}
.doc h1{font-size:2rem;margin-top:.3em} .doc h2{font-size:1.45rem;margin-top:2em} .doc h3{font-size:1.15rem;margin-top:1.6em;color:var(--brand)} .doc h4{margin-top:1.2em}
.doc p,.doc li{color:var(--text2)} .doc strong{color:var(--text)}
.doc table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}
.doc th,.doc td{padding:9px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}
.doc th{background:var(--bg2)}
.doc blockquote{margin:1em 0;padding:12px 18px;background:var(--card);border-left:3px solid var(--brand);border-radius:0 12px 12px 0}
.doc hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.doc code{background:var(--bg2);padding:2px 6px;border-radius:6px;font-size:.9em}
.doc ol,.doc ul{padding-left:1.4em}

/* 頁尾 */
.foot{border-top:1px solid var(--line);padding:48px 20px 32px;background:var(--ink)}
.foot-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
@media (max-width:720px){.foot-grid{grid-template-columns:1fr}}
.foot h4{color:var(--text3);font-size:.9rem;margin-bottom:10px}
.foot a{display:block;color:var(--text2);margin:6px 0} .foot .brand a{display:inline}
.copy{max-width:var(--max);margin:28px auto 0;color:var(--text3)}

/* v2：hero 證據列 */
.chips{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:.92rem;color:var(--text2);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.chips li::before{content:"✓ ";color:var(--ok);font-weight:700}
#different .lead{max-width:820px}

/* 信任環：五步 */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
@media (max-width:1000px){.steps{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.steps{grid-template-columns:1fr}}
.steps li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px 20px}
.steps .n{display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--action);color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:10px;font-size:.95rem}
.steps h3{font-size:1.1rem;margin-bottom:.35em}
.steps p{margin:0;color:var(--text2);font-size:.97rem}

/* 經濟環 */
.rewards{background:radial-gradient(800px 380px at 80% 10%,rgba(166,107,255,.10),transparent 60%)}
.dot.diamond{background:#2E9BF0} .dot.gold{background:#EFBF04}
.grid.tight{margin-top:18px}
.ach h3{font-size:1.1rem}
.ach .ladder{color:var(--text2);font-size:.95rem;line-height:1.6;margin:.4em 0 .6em}
.ach .ladder strong{color:var(--warn)}
.ach .small{color:var(--text3)}