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

    body {
        font-family: 'Poppins', sans-serif;
        line-height: 1.6;
        background: #121212;
        color: #ffffff;
        overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
        font-weight: bold;
        margin-bottom: 1rem;
    }

    p {
        font-size: 16px;
        margin-bottom: 1rem;
    }

    pre, code {
        background: rgba(255, 255, 255, 0.1);
        padding: 0.5rem;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 背景与动画 */
    body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255,87,34,0.3), transparent);
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }

    @keyframes aurora-move {
        0% {
            transform: translateY(0) translateX(0);
        }
        50% {
            transform: translateY(-20px) translateX(20px);
        }
        100% {
            transform: translateY(0) translateX(0);
        }
    }

    /* 容器布局 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 2rem 0;
    }

    /* 导航栏 */
    nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 0;
    }

    .nav-logo {
        font-size: 1.5rem;
        color: #00BFFF;
    }

    .nav-links a {
        color: #ffffff;
        text-decoration: none;
        margin-left: 1.5rem;
        transition: color 0.3s ease;
    }

    .nav-links a:hover {
        color: #6A5ACD;
    }

    /* 头部 */
    header {
        text-align: center;
        padding: 4rem 0;
        background: linear-gradient(135deg, #6A5ACD, #00BFFF);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    header h1 {
        font-size: 2.5rem;
        color: #ffffff;
        margin-bottom: 1rem;
    }

    header p {
        font-size: 1.2rem;
        color: #f0f0f0;
    }

    /* 主体内容 */
    main {
        padding: 2rem 0;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 1.5rem;
        margin-bottom: 2rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        background: rgba(255, 255, 255, 0.2);
    }

    .card-title {
        font-size: 1.8rem;
        color: #00BFFF;
        margin-bottom: 1rem;
    }

    .card-content img {
        width: 100%;
        max-width: 320px;
        margin: 1rem 0;
        border-radius: 8px;
    }

    .card-content ul {
        list-style: disc inside;
        margin-bottom: 1rem;
    }

    .card-content li {
        margin-bottom: 0.5rem;
    }

    /* 示例展示 */
    .example-section {
        background: rgba(0, 0, 0, 0.7);
        padding: 2rem;
        border-radius: 10px;
        margin-top: 3rem;
    }

    .example-section h2 {
        color: #FFD700;
        margin-bottom: 1rem;
    }

    .example-section article {
        margin-top: 1rem;
    }

    .example-section pre {
        background: #1e1e1e;
        color: #00ff00;
        padding: 1rem;
        border-radius: 5px;
        overflow-x: auto;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 0.75rem 1.5rem;
        background: linear-gradient(135deg, #6A5ACD, #00BFFF);
        color: #ffffff;
        border: none;
        border-radius: 50px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.3s ease;
        text-decoration: none;
    }

    .btn:hover {
        background: linear-gradient(135deg, #00BFFF, #6A5ACD);
        transform: scale(1.05);
    }

    /* 页脚 */
    footer {
        text-align: center;
        padding: 2rem 0;
        background: #000000;
        color: #ffffff;
    }

    footer p {
        margin-bottom: 0.5rem;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.2rem;
        }

        .card {
            padding: 1.2rem;
        }

        .nav-links a {
            margin-left: 1rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }

        header {
            padding: 3rem 0;
        }

        .card-title {
            font-size: 1.6rem;
        }
    }

    @media (max-width: 1024px) {
        .nav-links {
            display: none;
        }

        .nav-toggle {
            display: block;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }

        .card-title {
            font-size: 1.4rem;
        }

        .card-content img {
            max-width: 100%;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8rem;
        }

        .card {
            padding: 1rem;
        }

        p {
            font-size: 14px;
        }

        .btn {
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5rem;
        }

        .nav-logo {
            font-size: 1.2rem;
        }

        .card-title {
            font-size: 1.2rem;
        }

        p {
            font-size: 13px;
        }
    }