:root{
  --bg:#160a28; --bg2:#1e1038; --card:#271447; --line:#3c2668;
  --cyan:#39c4f0; --cyan2:#7bdcf7; --pink:#f0468a; --pink2:#ff74ac;
  --purple:#8b5cf6;
  --txt:#f1ecfa; --mut:#b3a6ce;
  --radius:14px; --max:1100px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--txt); line-height:1.7; font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.btn{
  display:inline-block;background:linear-gradient(135deg,var(--pink),var(--pink2));
  color:#fff;font-weight:800;padding:14px 30px;border-radius:999px;
  transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 6px 22px rgba(240,70,138,.4);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(240,70,138,.55)}
.btn.sm{padding:10px 22px;font-size:.95rem}
.btn.ghost{background:transparent;color:var(--cyan);border:1px solid var(--cyan);box-shadow:none}
.btn.ghost:hover{box-shadow:0 0 18px rgba(57,196,240,.4)}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(22,10,40,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.25rem}
.brand .mark{width:40px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),var(--purple));display:grid;place-items:center;color:#fff;font-weight:900;font-size:.9rem;letter-spacing:.5px;box-shadow:0 0 16px rgba(57,196,240,.5)}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:var(--mut);font-size:.95rem;font-weight:600}
.nav-links a:hover{color:var(--cyan)}
@media(max-width:820px){.nav-links a:not(.btn){display:none}}

/* Hero — 紫色霓虹賭場氛圍 */
.hero{position:relative;padding:72px 0 60px;text-align:center;overflow:hidden;background:
  radial-gradient(700px 340px at 20% 0%,rgba(57,196,240,.22),transparent 60%),
  radial-gradient(700px 340px at 80% 10%,rgba(240,70,138,.22),transparent 60%),
  radial-gradient(900px 500px at 50% 120%,rgba(139,92,246,.28),transparent 60%),
  var(--bg)}
.hero .tag{display:inline-block;color:var(--cyan);border:1px solid var(--line);background:rgba(30,16,56,.7);
  padding:6px 16px;border-radius:999px;font-size:.85rem;font-weight:700;margin-bottom:22px}
h1{font-size:clamp(2.1rem,6vw,3.4rem);font-weight:900;letter-spacing:1px;line-height:1.25;
  background:linear-gradient(135deg,#fff 15%,var(--cyan2) 55%,var(--pink2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--mut);font-size:1.1rem;max-width:640px;margin:20px auto 30px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.stats{display:flex;gap:36px;justify-content:center;flex-wrap:wrap;margin-top:44px}
.stats .s{text-align:center}
.stats .n{font-size:1.8rem;font-weight:900;background:linear-gradient(135deg,var(--cyan),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.stats .l{color:var(--mut);font-size:.9rem}

section{padding:56px 0}
h2{font-size:clamp(1.5rem,4vw,2rem);font-weight:900;margin-bottom:8px;text-align:center}
.lead{color:var(--mut);text-align:center;max-width:640px;margin:0 auto 34px}

/* Grids */
.grid{display:grid;gap:16px}
.games{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.games{grid-template-columns:repeat(2,1fr)}}
.game{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
.game:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 8px 26px rgba(57,196,240,.18)}
.game .ic{font-size:2rem;margin-bottom:10px}
.game h3{font-size:1.1rem;margin-bottom:6px}
.game p{color:var(--mut);font-size:.9rem}
.trust{background:var(--bg2)}
.feats{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.feats{grid-template-columns:repeat(2,1fr)}}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.feat .ic{font-size:1.8rem;color:var(--cyan)}
.feat h3{margin:12px 0 6px;font-size:1.05rem}
.feat p{color:var(--mut);font-size:.9rem}
.steps{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step .num{position:absolute;top:-14px;left:22px;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),var(--purple));color:#fff;font-weight:900;display:grid;place-items:center}
.step h3{margin:14px 0 8px}
.step p{color:var(--mut);font-size:.92rem}
.reviews{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.reviews{grid-template-columns:1fr}}
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.review .stars{color:var(--pink);margin-bottom:10px}
.review p{font-size:.95rem}
.review .who{color:var(--mut);font-size:.85rem;margin-top:12px}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:700;padding:18px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--cyan);font-size:1.4rem;font-weight:400}
details[open] summary::after{content:"–"}
details p{color:var(--mut);padding:0 0 18px;font-size:.95rem}

.band{background:linear-gradient(135deg,rgba(57,196,240,.16),rgba(240,70,138,.16));border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}

footer{background:#100720;border-top:1px solid var(--line);padding:40px 0;color:var(--mut);font-size:.88rem}
.foot-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a:hover{color:var(--cyan)}
.warn{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:14px 18px;color:var(--mut);font-size:.82rem;line-height:1.6}
.age{display:inline-block;border:2px solid var(--pink);color:var(--pink);border-radius:50%;width:34px;height:34px;line-height:30px;text-align:center;font-weight:900;margin-right:10px;vertical-align:middle}

/* ===== 文章頁專用 ===== */
.crumb{color:var(--mut);font-size:.85rem;padding:20px 0 0}
.crumb a:hover{color:var(--cyan)}
.article{max-width:760px;margin:0 auto;padding:20px}
.article h1{font-size:clamp(1.7rem,5vw,2.5rem);text-align:left;margin:14px 0 6px}
.article .meta{color:var(--mut);font-size:.85rem;margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:18px}
.prose h2{font-size:1.4rem;text-align:left;margin:34px 0 12px;padding-left:12px;border-left:4px solid var(--cyan)}
.prose h3{font-size:1.1rem;margin:22px 0 8px;color:var(--cyan2)}
.prose p{margin:0 0 14px;color:#ddd6ea}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px;color:#ddd6ea}
.prose li{margin-bottom:8px}
.prose strong{color:#fff}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--bg2);color:var(--cyan)}
.note{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--pink);border-radius:10px;padding:16px 18px;margin:0 0 18px;color:var(--mut);font-size:.92rem}
.cta-inline{background:linear-gradient(135deg,rgba(57,196,240,.14),rgba(240,70,138,.14));border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;margin:30px 0}
.related{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:20px;margin:30px 0}
.related h3{color:var(--cyan);margin-bottom:12px;font-size:1.05rem}
.related a{display:block;padding:8px 0;border-bottom:1px solid var(--line);color:#ddd6ea}
.related a:last-child{border-bottom:none}
.related a:hover{color:var(--cyan)}