/* common.css */

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* 容器 */
.container {
    width: 95%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
.main-header {
    background-color: #2d3e50;
    color: #fff;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-header .logo {
    font-size: 24px;
    font-weight: bold;
    padding: 20px 0;
}

.main-header .main-nav ul {
    list-style: none;
    display: flex;
}

.main-header .main-nav ul li {
    margin-left: 20px;
}

.main-header .main-nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.main-header .main-nav ul li a:hover {
    color: #1abc9c;
}

/* 页脚样式 */
.main-footer {
    background-color: #2d3e50;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}

/* 页面标题 */
h2 {
    font-size: 26px;
    margin-bottom: 20px;
    text-align: center;
    color: #2c3e50;
}

/* 其他共享样式... */