:root{
  --bg:#f6f3ee;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --accent:#8b5e3c;
  --accent-soft:#efe5db;
  --shadow:0 8px 24px rgba(0,0,0,.06);
  --radius:18px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  font-size:16px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.7;
  color:var(--text);
  background:linear-gradient(180deg,#f8f5ef 0%, #f3efe8 100%);
}

article{
  width:min(920px, 100%);
  margin:0 auto;
  padding:16px;
}

article > header{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px 20px;
  margin:10px 0 20px;
  box-shadow:var(--shadow);
}

section{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  margin:0 0 18px;
  box-shadow:var(--shadow);
}

h1,h2,h3{
  line-height:1.2;
  margin-top:0;
  color:#111827;
}

h1{
  font-size:clamp(1.9rem, 5vw, 3rem);
  margin-bottom:14px;
}

h2{
  font-size:clamp(1.35rem, 3.5vw, 1.8rem);
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:1px solid var(--line);
}

h3{
  font-size:clamp(1.08rem, 2.8vw, 1.22rem);
  margin-bottom:8px;
  color:var(--accent);
}

p{
  margin:0 0 1rem;
}

p:last-child,
ul:last-child,
ol:last-child{
  margin-bottom:0;
}

ul,ol{
  padding-left:1.25rem;
  margin:0 0 1rem;
}

li{
  margin-bottom:.45rem;
}

strong{
  color:#111827;
}

em{
  color:#374151;
}

a{
  color:var(--accent);
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

blockquote{
  margin:1rem 0;
  padding:14px 16px;
  border-left:4px solid var(--accent);
  background:var(--accent-soft);
  border-radius:10px;
}

img{
  max-width:100%;
  height:auto;
  display:block;
  border-radius:12px;
}

table{
  width:100%;
  border-collapse:collapse;
  margin:1rem 0;
  display:block;
  overflow-x:auto;
}

th,td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
  background:#fff;
}

th{
  background:#f9fafb;
}

hr{
  border:none;
  border-top:1px solid var(--line);
  margin:1.5rem 0;
}

@media (min-width: 768px){
  article{
    padding:28px 20px 40px;
  }

  article > header{
    padding:32px 30px;
  }

  section{
    padding:26px 28px;
  }
}