/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background-color: #F5F7FA;
        color: #0A2540;
        line-height: 1.6;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Poppins', sans-serif;
        color: #0A2540;
        margin-top: 0;
    }

    a {
        color: #FF6B35;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #E55D2F;
    }

    /* 布局 */
    .container {
        display: flex;
        flex-direction: row;
        min-height: 100vh;
    }

    .sidebar {
        width: 250px;
        background-color: #0A2540;
        color: white;
        padding: 20px;
        box-sizing: border-box;
        transition: width 0.3s ease;
    }

    .sidebar.collapsed {
        width: 60px;
    }

    .sidebar h2 {
        font-size: 1.5em;
        margin-bottom: 20px;
    }

    .sidebar ul {
        list-style: none;
        padding: 0;
    }

    .sidebar ul li {
        margin-bottom: 15px;
    }

    .sidebar ul li a {
        color: white;
        display: block;
        padding: 10px;
        border-radius: 4px;
        transition: background 0.3s ease;
    }

    .sidebar ul li a:hover {
        background-color: #1E3D59;
    }

    .main-content {
        flex: 1;
        padding: 20px;
        box-sizing: border-box;
    }

    .hero-section {
        background: linear-gradient(135deg, #0A2540, #1E3D59);
        color: white;
        padding: 60px 20px;
        text-align: center;
        border-radius: 8px;
        margin-bottom: 40px;
        animation: aurora-move 15s linear infinite;
    }

    .hero-section h1 {
        font-size: 2.5em;
        margin-bottom: 20px;
    }

    .hero-section p {
        font-size: 1.2em;
    }

    /* 模块化内容 */
    .module {
        background-color: white;
        padding: 20px;
        margin-bottom: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .module h2 {
        margin-top: 0;
    }

    .module img {
        max-width: 100%;
        height: auto;
        border-radius: 4px;
        margin-bottom: 15px;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #ddd;
    }

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: #FF6B35;
        color: white;
    }

    /* 代码块样式 */
    pre {
        background-color: #F5F7FA;
        padding: 15px;
        border-radius: 4px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #0A2540;
    }

    /* 动画 */
    @keyframes aurora-move {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .sidebar {
            width: 220px;
        }
    }

    @media (max-width: 1200px) {
        .sidebar {
            width: 200px;
        }
    }

    @media (max-width: 1024px) {
        .container {
            flex-direction: column;
        }

        .sidebar {
            width: 100%;
            display: none;
        }

        .sidebar.active {
            display: block;
        }

        .main-content {
            padding: 15px;
        }
    }

    @media (max-width: 768px) {
        .hero-section h1 {
            font-size: 2em;
        }

        .hero-section p {
            font-size: 1em;
        }

        .module {
            padding: 15px;
        }
    }

    @media (max-width: 480px) {
        .hero-section {
            padding: 40px 10px;
        }

        .hero-section h1 {
            font-size: 1.8em;
        }

        .module {
            padding: 10px;
        }
    }

    @media (max-width: 320px) {
        .hero-section {
            padding: 30px 5px;
        }

        .hero-section h1 {
            font-size: 1.5em;
        }
    }

    /* 按钮样式 */
    .button {
        background-color: #FF6B35;
        color: white;
        border: none;
        padding: 10px 20px;
        border-radius: 4px;
        cursor: pointer;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .button:hover {
        transform: scale(1.1);
        background-color: #E55D2F;
    }

    /* 提示信息 */
    .notice {
        background-color: #FFF3CD;
        color: #856404;
        padding: 10px 20px;
        border-left: 5px solid #FFEEBA;
        margin-bottom: 20px;
        border-radius: 4px;
    }