body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
            color: #ffffff;
            background-color: #313131;
        }

        /* 简单的导航 */
        .navbar {
            background-color: #ca0404;
            padding: 15px;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 100;
        }

        .navbar a {
            color: rgb(255, 255, 255);
            text-decoration: none;
            margin: 0 15px;
            font-size: 16px;
        }

        .navbar a:hover {
            color: rgb(255,255,0);
        }

        /* 主要区域通用样式 */
        .section {
            padding: 60px 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            margin-bottom: 30px;
            color: #e74c3c;
        }

        /* 英雄区 - 非常简单 */
        .hero {
            background-color: #ffffff;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
                url('./foto/back.jpg');
            background-repeat: no-repeat;
            background-size: cover;
            background-attachment: fixed;
            text-align: center;
            padding: 370px 20px;
            margin-top: 60px;
        }

        .hero h1 {
            font-size: 36px;
            margin-bottom: 10px;
            color: #e74c3c;
        }

        .hero p {
            font-size: 20px;
            color: #808080;
            margin-bottom: 20px;
        }

        /* 内容介绍区 */
        .content {
            background-color: #ffffff;
        }

        .content-text {
            max-width: 800px;
            margin: 0 auto;
            font-size: 18px;
            line-height: 1.8;
            color: #000000;
        }

        /* 页脚 */
        footer {
            background-color: #ca0404;
            color: rgb(255, 255, 255);
            text-align: center;
            padding: 30px 20px;
            margin-top: 40px;
        }

        footer p {
            margin: 10px 0;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .navbar {
                text-align: center;
            }

            .navbar a {
                display: inline-block;
                margin: 5px 10px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .section {
                padding: 40px 20px;
            }
        }