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

        body {
            font-family: 'Microsoft YaHei', 'SimHei', sans-serif;
            background-image: url('../images/indexbg.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            height: 100vh;
            overflow: hidden;
            position: relative;
            color: #000;
        }

        .container {
            width: 100%;
            height: 100%;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .main-title {
            position: absolute;
            font-family: "华文行楷", STXingkai, KaiTi, serif;
            bottom: 80%;
            right: 50%;
            transform: translateX(-30%);
            font-size: 100px;
            font-weight: bold;
            color: #000;
            text-shadow: 
                0 0 10px rgba(255, 165, 0, 0.8),
                0 0 20px rgba(255, 165, 0, 0.6),
                0 0 30px rgba(255, 165, 0, 0.4);
            z-index: 3;
            letter-spacing: 8px;
            white-space: nowrap;
            text-align: center;
        }

        .circle-item {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 15px;
            box-sizing: border-box;
            z-index: 3;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: absolute;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: white;
            text-align: center;
        }

        .circle-item:hover {
            transform: scale(1.05);
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
        }

        .circle-item.blue {
            /*background: radial-gradient(circle at center, #0d1b45, #1a2a6c);*/
            background-image: url('../images/ibtn1.png');
            color: white;
            /* border: 2px solid #0d1b45; 外侧圆环*/
        }

        .circle-item.gold {
            /*background: radial-gradient(circle at center, #d4af37, #ffcc00);*/
            background-image: url('../images/ibtn2.png');
            color: #fff;
            /* border: 2px solid #8b4513; 外侧圆环*/
        }
        /* 圆球内文字 */
        .circle-item h3 {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 8px;
            text-align: center;
            line-height: 1.5;
            font-family: "Microsoft YaHei";
        }

        .circle-item p {
            font-size: 13px;
            text-align: center;
            line-height: 1.4;
        }

        /* 左上圆球 */
        .top-left {
            top: 20%;
            left: 15%;
        }

        /* 左中圆球 - 更靠近左侧边缘 */
        .middle-left {
            top: 40%;
            left: 10%; /* 更靠左 */
        }

        /* 左下圆球 */
        .bottom-left {
            top: 60%;
            left: 15%;
        }

        /* 右上圆球 */
        .top-right {
            top: 20%;
            right: 15%;
        }

        /* 右中圆球 - 更靠近右侧边缘 */
        .middle-right {
            top: 40%;
            right: 10%; /* 更靠右 */
        }

        /* 右下圆球 */
        .bottom-right {
            top: 60%;
            right: 15%;
        }

/* 模态框样式 */
.modal {
  display: none; /* 默认隐藏 */
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* 半透明背景 */
}
/* 弹窗内文字样式 */
.modal-content {
  background-color: #f9f9f9;
  margin: 5% auto;
  padding: 0;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  max-width: 80%;
  max-height: 80vh;
  overflow: hidden;
  position: relative;
  border: 1px solid #ccc;
  font-family: "kaiti";
  line-height: 1.5;
  font-size: 18px;
}
.modal-body h2 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    text-align: left;
    line-height: 1.4;
    font-family: "楷体","Microsoft YaHei", sans-serif;
    border-bottom: 2px solid #a68c3b;
    padding-bottom: 8px;
}
.modal-body h4 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
    line-height: 1.4;
    font-family: "Microsoft YaHei", sans-serif;
    border-bottom: 2px solid #a68c3b;
    padding-bottom: 8px;
}
.modal-header {
  background-color: #a68c3b;
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
}

.modal-title {
  color: white;
  font-size: 18px;
  font-weight: bold;
  font-family: "Microsoft YaHei";
}

.close {
  color: white;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  max-height: 60vh;
  background-color: #f5f5f5;
  border-top: 1px solid #ddd;
}

/* 表格样式 */
.modal-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.modal-body th,
.modal-body td {
  border: 1px solid #000;
  padding: 8px;
  text-align: center;
}
.modal-body th {
  background-color: #f5f5dc;
}
.btn{
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    line-height: 1.5;
    color:#fff;
    background: transparent;
    border: none; /* 去除边框 */
    outline: none; /* 去除聚焦时的轮廓线 */
    padding: 0; /* 可选：避免额外内边距 */
    cursor: pointer; /* 确保鼠标悬停效果一致 */
        }