:root{--bg:#0f0a14;--panel:#1a1220;--line:#3a2c46;--ink:#f2eef6;--mut:#a698b4;--brand:#7c2d92;--gold:#ffcd3c}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI","Noto Sans",system-ui,sans-serif;font-size:16px;line-height:1.75}
.top{background:linear-gradient(135deg,#2e1042,#7c2d92);padding:26px 18px}
.top .wrap{max-width:820px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.brand{font-size:20px;font-weight:800;text-decoration:none;color:#fff}
.brand small{display:block;font-size:12.5px;font-weight:400;opacity:.85;margin-top:2px}
.langbtns{display:flex;border:1px solid rgba(255,255,255,.35);border-radius:8px;overflow:hidden}
.langbtns button{background:rgba(255,255,255,.12);color:#fff;border:none;padding:7px 14px;font-size:13px;font-weight:700;cursor:pointer}
.langbtns button.on{background:var(--gold);color:#3a2a00}
.wrap{max-width:820px;margin:0 auto;padding:0 18px}
main{padding:26px 0 70px}
h1{font-size:26px;margin:0 0 6px}
h2{font-size:18px;margin:30px 0 8px;color:var(--gold)}
.upd{color:var(--mut);font-size:13.5px;margin-bottom:22px}
p,li{color:#e4dbec}
ul{padding-left:22px}
li{margin-bottom:6px}
a{color:#c98bff}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
.card.gold{border-color:var(--gold)}
footer{border-top:1px solid var(--line);padding:20px 0 40px;color:var(--mut);font-size:13.5px}
footer a{margin-right:14px}
[data-zh]{display:none}
html.zh [data-vi]{display:none}
html.zh [data-zh]{display:block}
html.zh span[data-zh],html.zh a[data-zh]{display:inline}
span[data-vi],a[data-vi]{display:inline}
.note{color:var(--mut);font-size:13.5px}