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        /* 响应式设计 */
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    </style>
</head>
<body>
<!-- 导航栏 -->
<header>
    <div class="container">
        <nav>
            <div class="logo">
                <i class="fas fa-shield-alt"></i>
                <span>Spring Security 6</span>
            </div>
            <ul class="nav-links">
                <li><a href="#features" target="_blank">特性</a></li>
                <li><a href="#docs" target="_blank">文档</a></li>
                <li><a href="/doc.html" target="_blank">API 文档</a></li>
                <li><a href="/swagger-ui/index.html" target="_blank">Swagger UI</a></li>
            </ul>
        </nav>
    </div>
</header>

<!-- 英雄区域 -->
<section class="hero">
    <div class="container">
        <div class="hero-content">
            <h1>掌握 Spring Security 6</h1>
            <p>学习最强大的Java安全框架，保护您的应用程序免受现代安全威胁。Spring Security
                6提供了全面的身份验证和授权功能，让您的应用安全无忧。</p>
            <div>
                <a class="btn" href="#docs">开始学习</a>
                <a class="btn btn-outline" href="/doc.html" target="_blank">查看API文档</a>
            </div>
        </div>
    </div>
</section>

<!-- 特性部分 -->
<section class="features" id="features">
    <div class="container">
        <div class="section-title">
            <h2>Spring Security 6 核心特性</h2>
            <p>Spring Security 6引入了许多强大的新功能，使应用程序安全比以往任何时候都更简单、更强大。</p>
        </div>
        <div class="features-grid">
            <div class="feature-card">
                <div class="feature-icon">
                    <i class="fas fa-user-lock"></i>
                </div>
                <h3>现代化的认证</h3>
                <p>支持OAuth 2.0、OpenID Connect、SAML 2.0等多种认证协议，满足现代应用的安全需求。</p>
            </div>
            <div class="feature-card">
                <div class="feature-icon">
                    <i class="fas fa-key"></i>
                </div>
                <h3>强大的授权</h3>
                <p>细粒度的权限控制，支持方法级安全、领域对象安全等多种授权模式。</p>
            </div>
            <div class="feature-card">
                <div class="feature-icon">
                    <i class="fas fa-shield-virus"></i>
                </div>
                <h3>防护机制</h3>
                <p>内置CSRF防护、点击劫持防护、内容安全策略等安全机制，保护应用免受常见攻击。</p>
            </div>
        </div>
    </div>
</section>

<!-- 文档部分 -->
<section class="docs" id="docs">
    <div class="container">
        <div class="section-title">
            <h2>学习资源与文档</h2>
            <p>探索我们的文档和工具，快速掌握Spring Security 6的强大功能。</p>
        </div>
        <div class="docs-cards">
            <div class="doc-card">
                <div class="doc-image"></div>
                <div class="doc-content">
                    <h3>API 文档</h3>
                    <p>详细的API参考文档，包含所有类、方法和配置选项的详细说明，帮助您充分利用Spring Security
                        6的所有功能。</p>
                    <a class="btn" href="/doc.html" target="_blank">查看API文档</a>
                </div>
            </div>
            <div class="doc-card">
                <div class="doc-image"></div>
                <div class="doc-content">
                    <h3>Swagger UI</h3>
                    <p>交互式API文档，可以直接在浏览器中测试API端点，查看请求和响应示例，加快开发流程。</p>
                    <a class="btn" href="/swagger-ui/index.html" target="_blank">访问Swagger UI</a>
                </div>
            </div>
        </div>
    </div>
</section>

<!-- 页脚 -->
<footer>
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        <div class="footer-content">
            <div class="footer-column">
                <h3>关于 Spring Security</h3>
                <p>Spring
                    Security是一个功能强大且高度可定制的身份验证和访问控制框架，是保护基于Spring的应用程序的事实标准。</p>
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            </div>
            <div class="footer-column">
                <h3>快速链接</h3>
                <ul class="footer-links">
                    <li><a href="#features" target="_blank">核心特性</a></li>
                    <li><a href="#docs" target="_blank">学习资源</a></li>
                    <li><a href="/doc.html" target="_blank">API文档</a></li>
                    <li><a href="/swagger-ui/index.html" target="_blank">Swagger UI</a></li>
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                <h3>联系我们</h3>
                <p><i class="fas fa-envelope"></i> security@example.com</p>
                <p><i class="fas fa-globe"></i> www.springsecurity.org</p>
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            <p>&copy; 2023 Spring Security 学习中心. 保留所有权利.</p>
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