/* 全局样式 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background-image: url(../images/80.webp);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    margin: 0 50px;
    min-height: 100vh;
}

/* 通用容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 文本样式 */
.text {
    margin-bottom: 15px;
}

.text.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 标题样式 */
h1, h2, h3 {
    margin-bottom: 15px;
    color: #000;
}

/* 链接样式 */
a {
    color: #000;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #555;
}

/* 导航菜单 */
.nav-menu {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0 20px;
}

.nav-menu td {
    padding: 8px 12px;
    text-align: center;
}

/* 按钮样式 */
input[type="button"] {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

input[type="button"]:hover {
    background-color: #45a049;
}

/* 输入框样式 */
input[type="text"] {
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

/* 表格样式 */
table {
    border-collapse: collapse;
    width: 100%;
}

table td {
    padding: 8px;
    vertical-align: middle;
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
    border-top: 1px solid #eee;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    body {
        margin: 0 15px;
    }
    
    .nav-menu td {
        padding: 5px;
    }
    
    input[type="text"] {
        width: 40px !important;
    }
}