body{margin:0;font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;background:#0f1020;color:#fff}
.wrap{width:min(980px, calc(100% - 24px)); margin:18px auto 50px}
.top{display:flex;justify-content:space-between;align-items:center}
.card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);padding:16px;border-radius:16px}
h1,h2{margin:10px 0}
label{display:block;margin:10px 0}
input,textarea,select{
  width:100%; padding:10px 12px; border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(0,0,0,.25); color:#fff; outline:none
}
.btn{display:inline-block;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.2);color:#fff;text-decoration:none}
.primary{margin-top:12px;background:linear-gradient(135deg, rgba(255,122,200,.6), rgba(255,255,255,.12))}
.muted{opacity:.75;font-size:12px;margin-top:10px}
.err{background:rgba(255,80,120,.2); border:1px solid rgba(255,80,120,.4); padding:10px;border-radius:12px;margin:10px 0}