:root{
  --bg:#0e172b;
  --panel:#111d34;
  --text:#f4f7fb;
  --muted:#91a3c1;
  --muted2:#637595;
  --accent:#ff6a00;
  --link:#8aaee8;
  --border:#243657;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Arial,Helvetica,sans-serif;
  line-height:1.65;
}
a{color:var(--link)}
a:hover{color:#b7ccf2}
.page{
  width:min(980px,calc(100% - 40px));
  margin:0 auto;
  padding:44px 0 60px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  text-decoration:none;
  font-size:28px;
  font-weight:700;
  margin-bottom:32px;
}
.brand-mark{
  display:inline-flex;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:7px;
  background:var(--accent);
  color:#fff;
  font-family:Georgia,serif;
  font-size:31px;
}
.brand span{color:#fff}
.brand em{color:#6f7e99;font-style:normal}
.card{
  background:rgba(17,29,52,.78);
  border:1px solid var(--border);
  border-radius:14px;
  padding:38px 42px;
  box-shadow:0 18px 50px rgba(0,0,0,.16);
}
h1{font-size:34px;line-height:1.2;margin:0 0 28px}
h2{font-size:22px;line-height:1.3;margin:34px 0 12px}
h3{font-size:18px;margin:26px 0 8px}
p,li{color:#c2cee1}
strong{color:#eef3fa}
ul,ol{padding-left:24px}
.notice{
  border-left:3px solid var(--accent);
  padding:12px 16px;
  background:rgba(255,106,0,.06);
  margin:20px 0;
}
.meta{color:var(--muted2);font-size:14px}
.footer{
  text-align:center;
  padding:30px 0 0;
  color:var(--muted2);
  font-size:14px;
}
.footer a{margin:0 7px}
.back{display:inline-block;margin-bottom:18px;font-size:14px}
hr{border:0;border-top:1px solid var(--border);margin:30px 0}
@media(max-width:640px){
  .page{width:min(100% - 24px,980px);padding:24px 0 40px}
  .card{padding:26px 22px}
  h1{font-size:28px}
}