* {
  margin: 0;
  padding: 0;

}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1540px;
  min-width: 1240px;
  margin: 25px auto;
  color: #333;
  line-height: 1;
}

.container * {
  box-sizing: border-box;
}

header {
  text-align: center;
  margin-bottom: 25px;
}

header h1 {
  font-size: 2.2rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

header p {
  font-size: 15px;
  color: #666;
}

/* 主体内容样式 */
.main-content {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 25px;
}

.wrapper {
  width: 100%;
  height: 680px;
  position: relative;
  overflow: hidden;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* 底部样式 */
.site-footer {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.site-footer h2 {
  font-size: 1.5em;
  color: #333;
  margin-bottom: 15px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-top: 10px;
  font-size: 1em;
  line-height: 1.6;
  color: #666;
}

.site-footer p {
  line-height: 1.5;
}

/* 规则对话框样式 */
.rules-container {
  margin-bottom: 25px;
}

.rules-box {
  display: flex;
  gap: 20px;
}

.rules-section {
  flex: 1;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 15px;
}

.rules-section h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #3498db;
  display: flex;
  align-items: center;
}

.rules-section h4::before {
  margin-right: 8px;
}

.rules-container ol,
.rules-container ul {
  padding-left: 20px;
  font-size: 15px;
  color: #666;
}

.rules-container li {
  margin-top: 10px;
  line-height: 1.5;
}