:root{
  --bg: #f3f4f6;
  --card: #ffffff;
  --text: #222;
  --muted: #555;
  --muted2: #666;
  --line: #dadce0;
  --link: #0b57d0;
  --shadow: 0 1px 8px rgba(0,0,0,.06);
}

*{ box-sizing: border-box; }

body{
  margin:0;
  padding:0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; }

.header{
  background: #111;
  color: #fff;
  padding: 18px 16px;
}

.header .brand{
  max-width: 1100px;
  margin: 0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.header h1{
  margin:0;
  font-size: 18px;
  letter-spacing: .6px;
}

.header .sub{
  margin:0;
  font-size: 12px;
  color: rgba(255,255,255,.75);
}

.container{
  max-width: 1100px;
  margin: 18px auto;
  padding: 0 16px 32px 16px;
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.card + .card{ margin-top: 16px; }

.h2{
  margin: 0 0 8px 0;
  font-size: 18px;
  color: #111;
}

.meta{
  margin: 0;
  font-size: 12px;
  color: var(--muted2);
}

.divider{
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.langbar{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items:center;
  justify-content: space-between;
}

.langtabs{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}

.langbtn{
  display:inline-block;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: #111;
  border-radius: 8px;
  font-size: 12px;
}

.langbtn[aria-current="true"]{
  border-color: #111;
  box-shadow: 0 1px 0 rgba(0,0,0,.1);
}

.small{
  font-size: 12px;
  color: var(--muted);
}

.section-title{
  margin: 14px 0 6px 0;
  font-size: 14px;
  color: #111;
}

ul{
  margin: 8px 0 8px 18px;
  padding: 0;
}

li{ margin: 6px 0; }

.kv{
  margin: 8px 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fafafa;
  color: #333;
  font-size: 12px;
}

.footer{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 24px 16px;
  color: var(--muted2);
  font-size: 12px;
}