/* 基础样式与变量定义 */
:root {
    --good: #00ff00;
    --medium: #ffd700;
    --bad: #ff0000;
    --text-light: #F7FBD6;
}

body {
    background: url('https://977958.xyz/wp-content/uploads/2025/03/pc-8.6e733251-1536x864.png') no-repeat center/cover fixed;
    min-height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}