/* 全局样式 */
    body {
        margin: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
    }

    h1, h2, h3 {
        font-family: 'Orbitron', sans-serif;
        color: #FFD700;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    h1 {
        font-size: 3em;
        text-align: center;
        margin: 20px 0;
    }

    h2 {
        font-size: 2em;
        margin-top: 40px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
    }

    p {
        font-size: 1em;
        margin: 15px 0;
    }

    pre {
        background: #1c1c1c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00FF00;
    }

    .container {
        width: 90%;
        max-width: 1200px;
        margin: auto;
        padding: 20px;
    }

    .highlight {
        color: #FFD700;
        font-weight: bold;
    }

    .design-cases {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 30px;
    }

    .case-item {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        flex: 1 1 calc(33% - 40px);
        box-sizing: border-box;
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .case-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }

    .case-item img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }

    .case-item h4 {
        margin-top: 15px;
        font-size: 1.2em;
        color: #FFA500;
    }

    .footer {
        text-align: center;
        padding: 20px;
        margin-top: 50px;
        border-top: 1px solid #444;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .case-item {
            flex: 1 1 calc(33% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .case-item {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 768px) {
        .case-item {
            flex: 1 1 100%;
        }

        h1 {
            font-size: 2.5em;
        }

        h2 {
            font-size: 1.8em;
        }

        h3 {
            font-size: 1.3em;
        }
    }

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

        h1 {
            font-size: 2em;
        }

        h2 {
            font-size: 1.5em;
        }

        h3 {
            font-size: 1.2em;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.3em;
        }

        h3 {
            font-size: 1em;
        }
    }

    /* 按钮样式 */
    .button {
        background-color: #FFD700;
        border: none;
        padding: 10px 20px;
        font-size: 16px;
        cursor: pointer;
        transition: all 0.3s ease;
        border-radius: 5px;
        color: #000000;
    }

    .button:hover {
        background-color: #FFA500;
        transform: translateY(-5px);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    }

    /* 光影效果 */
    .lightEffect {
        position: relative;
        width: 100px;
        height: 100px;
        background: radial-gradient(circle, rgba(255,255,255,0.8), rgba(255,255,255,0));
        animation: pulse 2s infinite;
        margin: 20px auto;
        border-radius: 50%;
    }

    @keyframes pulse {
        0% {
            transform: scale(1);
            opacity: 1;
        }
        50% {
            transform: scale(1.2);
            opacity: 0.5;
        }
        100% {
            transform: scale(1);
            opacity: 1;
        }
    }

    /* 提示语样式 */
    .note {
        text-align: center;
        font-size: 1.2em;
        margin-top: 40px;
        color: #FFA500;
    }