@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Roboto+Mono:wght@700&display=swap');

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #0A75AD, #F5F5F5);
        color: #333;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 40px 0;
        background: linear-gradient(135deg, #0A75AD, #FF6F61);
        color: white;
        border-radius: 10px;
        margin-bottom: 30px;
    }

    header h1 {
        font-family: 'Roboto Mono', monospace;
        font-size: 2.5em;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2em;
    }

    nav {
        text-align: center;
        margin-bottom: 30px;
    }

    nav a {
        margin: 0 15px;
        color: #FF6F61;
        text-decoration: none;
        font-weight: 600;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #0A75AD;
    }

    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .section {
        background: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .section h2 {
        font-family: 'Roboto Mono', monospace;
        color: #0A75AD;
        margin-bottom: 15px;
    }

    .section p {
        margin-bottom: 15px;
    }

    .code-block {
        background: #F5F5F5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Roboto Mono', monospace;
        margin-bottom: 15px;
    }

    .gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

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

    .footer {
        text-align: center;
        padding: 20px 0;
        margin-top: 30px;
        background: linear-gradient(135deg, #FF6F61, #0A75AD);
        color: white;
        border-radius: 10px;
    }

    /* 动画效果 */
    .button {
        background-color: #0A75AD;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease, background-color 0.3s ease;
        font-size: 1em;
    }

    .button:hover {
        transform: scale(1.1);
        background-color: #FF6F61;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        nav a {
            display: block;
            margin: 10px 0;
        }

        .container {
            grid-template-columns: 1fr;
        }
    }

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

        header {
            padding: 20px 0;
        }

        .section {
            padding: 15px;
        }

        .button {
            width: 100%;
            padding: 10px;
        }
    }

    /* 滚动效果 */
    .scroll-section {
        position: relative;
        padding: 50px 0;
    }

    .scroll-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample10.png') no-repeat center center;
        background-size: cover;
        opacity: 0.1;
        z-index: -1;
    }

    /* 粒子动画 */
    .particle-background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
        z-index: -2;
    }

    /* 按钮样式 */
    .cta {
        text-align: center;
        margin-top: 20px;
    }

    /* 图片描述为空 */
    img[alt=""] {
        alt: "";
    }