:root{
  --bg:#120e0a; --bg2:#1b150e; --panel:#221a10; --ink:#f4ead9; --mut:#b7a48f;
  --gold:#e0a83e; --gold-d:#b97f1f; --red:#c8442f; --line:#37291a; --card:#241b10;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
/* header */
header.site{background:linear-gradient(180deg,var(--bg2),var(--bg));border-bottom:2px solid var(--gold)}
header .top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 22px;max-width:1160px;margin:0 auto}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:1.25rem;color:var(--gold);letter-spacing:.03em}
.logo .mark{display:grid;place-items:center;width:42px;height:42px;background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#241b10;border-radius:10px;font-size:1.1rem;font-weight:900}
.logo small{display:block;font-size:.62rem;color:#8f7b60;letter-spacing:.14em}
nav.main{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
nav.main a:not(.btn){color:#d8c7ab;font-size:.96rem}
nav.main a:not(.btn):hover{color:var(--gold)}
nav.main a.active{color:var(--gold);border-bottom:2px solid var(--gold)}
.btn{display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#241b10;font-weight:800;padding:.6em 1.25em;border-radius:8px;font-size:.94rem}
.btn:hover{filter:brightness(1.08)}
.btn.sm{padding:.42em .9em;font-size:.85rem}
.btn.ghost{background:transparent;color:var(--gold);border:1.5px solid #6b5328}
.nav-toggle{display:none;background:none;border:0;color:var(--gold);font-size:1.5rem;cursor:pointer}
/* hero — game key visual */
.hero{background:radial-gradient(900px 420px at 80% -10%,rgba(224,168,62,.22),transparent 60%),radial-gradient(700px 400px at 0% 110%,rgba(200,68,47,.18),transparent 60%),var(--bg2);border-bottom:1px solid var(--line);padding:64px 0}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.eyebrow{display:inline-block;background:rgba(224,168,62,.14);color:var(--gold);border:1px solid rgba(224,168,62,.35);padding:.26em .85em;border-radius:999px;font-size:.8rem;font-weight:700;letter-spacing:.06em}
.hero h1{font-size:2.4rem;line-height:1.25;margin:16px 0 14px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p.sub{color:#cbb99e;max-width:58ch}
.cta-row{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.keypanel{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:16px;padding:22px}
.keypanel h3{color:var(--gold);font-size:1rem;margin-bottom:12px}
.keypanel .row{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed #3a2c1a;font-size:.9rem}
.keypanel .row:last-child{border-bottom:0}
.keypanel .row b{color:#fff}
.keypanel .row span{color:var(--mut)}
/* sections */
section{display:block}
.blk{padding:58px 0}
.blk.alt{background:var(--bg2);border-block:1px solid var(--line)}
h2.sec{font-size:1.6rem;color:#fff;margin-bottom:8px}
.sec-sub{color:var(--mut);margin-bottom:28px;max-width:70ch}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 3px 14px rgba(0,0,0,.25)}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#241b10;font-size:1.2rem;margin-bottom:14px}
.card h3{font-size:1.08rem;color:#fff;margin-bottom:8px}
.card p{color:var(--mut);font-size:.94rem}
.card a{color:var(--gold);font-weight:700}
.table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.table th{background:var(--panel);color:var(--gold);text-align:left;padding:12px 15px;font-size:.9rem}
.table td{padding:12px 15px;border-top:1px solid var(--line);font-size:.93rem;color:#d8c7ab}
.table tr:nth-child(even) td{background:var(--bg2)}
.table td.hl2{color:var(--gold);font-weight:700}
.note{background:rgba(200,68,47,.08);border:1px solid rgba(200,68,47,.25);border-left:4px solid var(--red);border-radius:8px;padding:14px 18px;color:#e0b49a;font-size:.9rem;margin-top:22px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:6px 20px}
.faq summary{cursor:pointer;font-weight:800;color:#fff;padding:12px 0}
.faq details p{padding-bottom:14px;color:var(--mut);font-size:.95rem}
/* footer */
footer.site{background:#0d0905;border-top:1px solid var(--line);margin-top:0}
footer .ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:42px 22px;max-width:1160px;margin:0 auto}
footer a{color:#cbb264;margin-right:15px;font-size:.92rem}
footer p{color:var(--mut);font-size:.85rem;margin-top:10px}
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .g3,.g2{grid-template-columns:1fr}
  .hero h1{font-size:1.85rem}
  nav.main{display:none;width:100%;flex-direction:column;align-items:flex-start;gap:12px;padding:8px 0}
  nav.main.open{display:flex}
  .nav-toggle{display:block}
  .btn.sm{width:100%;text-align:center}
}