/* ฟอนต์ Google Fonts แนะนำ: Prompt หรือ Noto Sans Thai ก็ได้ */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@400;600&display=swap');

* {
  box-sizing: border-box;
}

body {
  font-family: 'Prompt', sans-serif;
  background: #f4f6f8;
  color: #333;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  background: #ffffff;
  padding: 40px 60px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

h1 {
  font-size: 28px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.subheading {
  font-size: 14px;
  color: #666;
  margin-bottom: 2rem;
}

h2 {
  font-size: 20px;
  margin-top: 2.5rem;
  color: #2c3e50;
  border-left: 4px solid #3498db;
  padding-left: 12px;
}

h3 {
  font-size: 16px;
  margin-top: 1.5rem;
  color: #444;
}

p {
  margin: 1rem 0;
  font-size: 16px;
  line-height: 1.7;
}

ul {
  margin: 1rem 0;
  padding-left: 1.2rem;
}

ul li {
  margin-bottom: 0.5rem;
  font-size: 15.5px;
}

hr {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin: 2.5rem 0;
}

a {
  color: #3498db;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .container {
    padding: 25px 20px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 18px;
  }

  h3 {
    font-size: 15px;
  }

  p, ul li {
    font-size: 15px;
  }
}

.top-logo {
  text-align: center;
  margin-bottom: 30px;
  margin-top: 20px;
}

.top-logo img {
  height: 100px;
  max-width: 200%;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.top-logo img:hover {
  transform: scale(1.05);
}