body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Arial, sans-serif;
  background:#f8f9fa;
  color:#00050e;
}
.wrap{
  max-width:900px;
  margin:0 auto;
  padding:20px;
}
.top{
  position:sticky;
  top:0;
  background:#f9fafa;
}
.header{
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.brand{
  display:flex;
  gap:10px;
  align-items:center;
}
.logo{
  border-radius:10px;
}
.logo img{
  width:120px;
  height:120px;
  object-fit:contain;
  display:block;
}
.brand-name{font-weight:700}
.brand-sub{font-size:12px;color:#a9b4c3}

.lang{position:relative}
#langBtn{
  background:#111827;
  color:#fff;
  border:1px solid #1b2634;
  border-radius:8px;
  padding:6px 10px;
}
.lang-menu{
  display:none;
  position:absolute;
  right:0;
  top:40px;
  background:#111827;
  border:1px solid #1b2634;
  border-radius:8px;
}
.lang-menu button{
  display:block;
  width:100%;
  background:none;
  border:none;
  color:#fff;
  padding:8px 12px;
  text-align:left;
}
.lang-menu button:hover{
  background:#1b2634;
}

h1{
  margin-top:30px;
  font-size:24px;
}
p{
  line-height:1.6;
  margin:14px 0;
}
h3{
  margin-top:24px;
}