html, body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%);
  font-family: 'Noto Sans TC', 'Noto Sans', 'Microsoft JhengHei', Arial, sans-serif;
  line-height: 1.8;
  letter-spacing: 0.04em;
  position: relative;
  overflow-x: hidden;
}

button {
  padding: 16px 32px;
  font-size: 1.2rem;
  border: none;
  border-radius: 8px;
  background: #4f8cff;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: background 0.2s;
}

button:hover {
  background: #2563eb;
}

#container {
  max-width: 800px;
  margin: 40px auto;
  border: 2px solid #000;
  background: #FFF8E1;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  padding: 32px 24px;
}

.main-img {
  width: 100%;
  max-width: 900px;
  display: block;
  margin: 0;
  border-radius: 0;
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
}

h1 {
  line-height: 1.3;
  letter-spacing: 0.06em;
}

ul li {
  line-height: 1.9;
  letter-spacing: 0.05em;
}

.course-info-row {
  margin: 0 0 8px 2em;
}
.course-info-label {
  font-weight: bold;
}

@media (max-width: 600px) {
  #container {
    width: 100vw;
    max-width: 100vw;
    min-width: 0;
    margin: 0;
    padding: 10px 10px;
    border: none;
    border-radius: 0;
    box-shadow: none;
    box-sizing: border-box;
  }
  .main-img {
    width: 100%;
    max-width: 100vw;
    margin: 0;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    display: block;
  }
  h1 {
    /* 字體大小交由 Text.css 控制 */
  }
  ul li {
    font-size: 1rem;
  }
} 