.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 30px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  line-height: 1.7;
  color: #333;
  font-family: Arial, sans-serif;
}

.container h3 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 10px;
  font-size: 28px;
  font-weight: 600;
}

.intro {
  text-align: center;
  color: #555;
  margin-bottom: 30px;
  line-height: 1.7;
}

.logo-wrap {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

.logo-wrap > img {
  height: 200px;
  border-radius: 20%;
  border: 2px solid #800080;
  object-fit: cover;
}

.logo-plate {
  display: flex;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  padding: 10px 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.logo-plate img {
  height: 180px;
  object-fit: cover;
  display: block;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  overflow: hidden;
  margin-bottom: 30px;
}

.card h4 {
  margin: 0;
  padding: 14px 20px;
  background: #34495e;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
}

.card .content {
  padding: 20px;
  line-height: 1.7;
}

.card ul,
.card ol {
  margin-left: 20px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #3498db;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}

.download-link:hover {
  background: #2980b9;
}

.download-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.download-list .download-desc {
  color: #666;
  font-size: 14px;
  line-height: 1.4;
}

.rules-section {
  margin-bottom: 20px;
}

.rules-section p {
  margin-bottom: 8px;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 30px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  line-height: 1.7;
  color: #333;
  font-family: Arial, sans-serif;
}

.container h3 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 10px;
  font-size: 28px;
  font-weight: 600;
}

.intro {
  text-align: center;
  color: #555;
  margin-bottom: 30px;
  line-height: 1.7;
}

.logo-wrap {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

.logo-wrap > img {
  height: 200px;
  border-radius: 20%;
  border: 2px solid #800080;
  object-fit: cover;
}

.logo-plate {
  display: flex;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  padding: 10px 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.logo-plate img {
  height: 180px;
  object-fit: cover;
  display: block;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  overflow: hidden;
  margin-bottom: 30px;
}

.card h4 {
  margin: 0;
  padding: 14px 20px;
  background: #34495e;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
}

.card .content {
  padding: 20px;
  line-height: 1.7;
}

.card ul,
.card ol {
  margin-left: 20px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #3498db;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s;
}

.download-link:hover {
  background: #2980b9;
}

.download-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 15px;
}

.download-list .download-desc {
  color: #666;
  font-size: 14px;
  line-height: 1.4;
}

.rules-section {
  margin-bottom: 20px;
}

.rules-section p {
  margin-bottom: 8px;
}