/* =====================================================
   2Smile - FINAL style.css
   Desktop / Mobile / LINE all fixed
===================================================== */

:root{
  --bg:#0b0b0b;
  --panel:rgba(0,0,0,.22);
  --border:rgba(255,255,255,.12);
  --text:#f5f5f5;
  --muted:rgba(255,255,255,.75);
  --gold:#caa15a;
  --shadow:0 12px 34px rgba(0,0,0,.35);
  --radius:18px;
  --maxw:1100px;
}

*{ box-sizing:border-box; }
html,body{
  margin:0;
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
body{
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,
               "Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;
  background:
    radial-gradient(900px 600px at 20% 0%, rgba(202,161,90,.14), transparent 60%),
    radial-gradient(900px 600px at 80% 20%, rgba(202,161,90,.10), transparent 62%),
    linear-gradient(180deg,#0b0b0b,#070707);
  color:var(--text);
  overflow-x:hidden;
}

img,svg{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 12px;color:var(--muted);line-height:1.85;font-size:clamp(14px,3.6vw,16px);}
.small{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.72);}

.container{width:min(var(--maxw),calc(100% - 32px));margin:0 auto;}
.panel{border:1px solid var(--border);background:var(--panel);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);}
.hero{padding:24px 0 34px;}
.hero-card{border:1px solid var(--border);background:rgba(0,0,0,.28);border-radius:22px;padding:18px;box-shadow:var(--shadow);}

header{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.55);backdrop-filter:blur(10px);}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;padding:14px 0;}

.brand{display:flex;align-items:center;gap:14px;}
.brand img{width:56px;height:56px;border-radius:14px;border:1px solid rgba(255,255,255,.15);}
.brand-title{font-weight:800;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

.nav-links{display:flex;gap:18px;}
.nav-links a{font-size:14px;padding:8px 12px;border-radius:12px;}
.nav-cta{padding:10px 14px;border-radius:14px;font-weight:900;border:1px solid rgba(202,161,90,.55);background:rgba(202,161,90,.18);}

.burger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);}
.burger svg{width:22px;height:22px;}

.mobile{display:none;position:absolute;top:100%;left:0;right:0;margin-top:10px;padding:12px;border-radius:18px;background:rgba(0,0,0,.9);}
.mobile a{display:block;padding:14px;margin-bottom:10px;border-radius:14px;font-size:15px;font-weight:800;background:rgba(255,255,255,.05);}
.mobile a.nav-cta{background:#fff;color:#111;font-size:17px;}
.mobile.open,.mobile.is-open,.mobile[data-open="true"]{display:block;}

footer{padding:24px 0 32px;color:rgba(255,255,255,.72);}

@media(max-width:980px){
  .nav-links{display:none;}
  .burger{display:flex;align-items:center;justify-content:center;}
}
@media(max-width:768px){
  .brand img{width:52px;height:52px;}
  .brand-title{font-size:14px;}
}