@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&display=swap');

:root{
  --mwa-blue:#075baa;
  --text:#111;
  --muted:#555;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'IBM Plex Sans Thai', system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
}

.container{
  max-width:840px;
  margin:0 auto;
  padding:16px;
}

h1,h2,h3{
  color:var(--mwa-blue);
  margin:1.25em 0 0.5em;
  line-height:1.35;
}

h1{font-size:1.25rem;margin-top:0.25em;text-align: center;}
h2{font-size:1rem}
h3{font-size:0.75rem}

p{margin:0.75em 0}

.sub {
  margin-left: 1.5em; /* ระยะย่อหน้า */
  text-indent: -1.5em; /* เลขข้อชิดซ้าย */
  padding-left: 1.5em; /* เนื้อหาขยับไปทางขวา */
}

ul{margin:0.5em 1.25em;padding:0}
li{margin:0.3em 0}