* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  max-width: 900px;
  margin: 30px auto;
  padding: 0 12px;
  color: #222;
  background: #fafafa;
}

header {
  margin-top: 10px;
}

.logo {
  display: block;
  margin: 0 auto 14px;
  width: min(320px, 90%);
  height: auto;
  border-radius: 14px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

h1 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 8px;
}

h2 {
  text-align: center;
  font-size: 20px;
  margin: 12px 0 8px;
}

p {
  text-align: center;
  margin: 8px 0 14px;
}

section {
  margin: 18px 0;
  padding: 14px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 10px;
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 650px;
  background: #fff;
}

th,
td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: center;
  white-space: nowrap;
}

thead th {
  background: #f2f2f2;
}

ul,
ol {
  line-height: 1.8;
  padding-left: 18px;
}

li {
  margin: 6px 0;
}

li ul,
li ol {
  margin-top: 6px;
  padding-left: 18px;
  color: #444;
}

@media (max-width: 480px) {
  body {
    margin: 16px auto;
    padding: 0 10px;
  }

  h1 { font-size: 26px; }
  h2 { font-size: 18px; }

  section {
    padding: 12px;
  }
}