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

    :root {
        --tech-blue: #0A66C2;
        --future-silver: #E0E0E0;
        --gradient-purple-start: #6A11CB;
        --gradient-purple-end: #2575FC;
        --gold-orange: #FFB400;
        --font-primary: 'Roboto', sans-serif;
        --font-secondary: 'Helvetica', sans-serif;
    }

    body {
        font-family: var(--font-primary);
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1), rgba(0, 0, 0, 0.9));
        color: #333;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: var(--tech-blue);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: var(--gold-orange);
    }

    /* 头部样式 */
    header {
        width: 100%;
        padding: 20px 50px;
        background: rgba(255, 255, 255, 0.8);
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    header .logo {
        font-size: 24px;
        font-weight: bold;
        color: var(--tech-blue);
    }

    nav ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    nav ul li {
        position: relative;
    }

    nav ul li::after {
        content: '';
        width: 0%;
        height: 2px;
        background: var(--gold-orange);
        position: absolute;
        left: 0;
        bottom: -5px;
        transition: width 0.3s ease;
    }

    nav ul li:hover::after {
        width: 100%;
    }

    /* 英雄区样式 */
    .hero-section {
        background: linear-gradient(135deg, var(--gradient-purple-start), var(--gradient-purple-end));
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        color: white;
        text-align: center;
        position: relative;
        animation: aurora-move 15s linear infinite;
    }

    .hero-section h1 {
        font-size: 48px;
        margin-bottom: 20px;
        font-family: var(--font-secondary);
    }

    .hero-section p {
        font-size: 18px;
        margin-bottom: 30px;
        max-width: 600px;
    }

    .hero-section .cta-button {
        background-color: var(--gold-orange);
        color: white;
        padding: 15px 30px;
        border: none;
        border-radius: 25px;
        font-size: 16px;
        cursor: pointer;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .hero-section .cta-button:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    }

    /* 模块化布局 */
    .module {
        padding: 80px 50px;
        display: flex;
        align-items: center;
        gap: 50px;
    }

    .module:nth-child(even) {
        flex-direction: row-reverse;
        background: rgba(224, 224, 224, 0.1);
    }

    .module h2 {
        font-size: 32px;
        margin-bottom: 20px;
        color: var(--tech-blue);
    }

    .module p {
        font-size: 16px;
        max-width: 500px;
    }

    .module img {
        width: 300px;
        height: 300px;
        object-fit: cover;
        border-radius: 15px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    /* 代码展示样式 */
    .code-block {
        background: #2d2d2d;
        color: #ccc;
        padding: 20px;
        border-radius: 10px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        margin: 20px 0;
    }

    .code-block code {
        display: block;
        white-space: pre-wrap;
    }

    /* 示例展示区 */
    .sample-display {
        padding: 80px 50px;
        background: linear-gradient(135deg, var(--future-silver), var(--gradient-purple-end));
        color: #333;
    }

    .sample-display h2 {
        font-size: 36px;
        margin-bottom: 20px;
        text-align: center;
        color: var(--tech-blue);
    }

    .sample-display article {
        max-width: 800px;
        margin: 0 auto;
        background: rgba(255, 255, 255, 0.9);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    .sample-display img {
        width: 100%;
        height: auto;
        margin: 20px 0;
        border-radius: 10px;
    }

    .sample-display pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .sample-display code {
        font-family: 'Courier New', Courier, monospace;
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        padding: 20px;
        background: rgba(255, 255, 255, 0.8);
        font-size: 18px;
        color: var(--tech-blue);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .module {
            padding: 60px 40px;
        }

        .hero-section h1 {
            font-size: 40px;
        }

        .hero-section p {
            font-size: 16px;
            max-width: 500px;
        }
    }

    @media (max-width: 1200px) {
        header {
            padding: 15px 30px;
        }

        nav ul {
            gap: 15px;
        }

        .module {
            padding: 50px 30px;
            gap: 30px;
        }

        .module img {
            width: 250px;
            height: 250px;
        }
    }

    @media (max-width: 1024px) {
        .module {
            flex-direction: column;
            text-align: center;
        }

        .module:nth-child(even) {
            flex-direction: column;
        }

        .module img {
            width: 100%;
            height: auto;
        }
    }

    @media (max-width: 768px) {
        header {
            padding: 10px 20px;
        }

        .hero-section h1 {
            font-size: 32px;
        }

        .hero-section p {
            font-size: 14px;
            max-width: 90%;
        }

        .hero-section .cta-button {
            padding: 10px 20px;
            font-size: 14px;
        }

        .module {
            padding: 40px 20px;
            gap: 20px;
        }

        .module h2 {
            font-size: 28px;
        }

        .code-block {
            padding: 15px;
        }

        .sample-display h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 480px) {
        .hero-section h1 {
            font-size: 24px;
        }

        .hero-section p {
            font-size: 12px;
            max-width: 100%;
        }

        .hero-section .cta-button {
            padding: 8px 16px;
            font-size: 12px;
        }

        .module {
            padding: 30px 10px;
        }

        .module h2 {
            font-size: 24px;
        }

        .sample-display h2 {
            font-size: 24px;
        }
    }

    @media (max-width: 320px) {
        header {
            flex-direction: column;
            align-items: flex-start;
        }

        nav ul {
            flex-direction: column;
            gap: 10px;
        }

        .module {
            padding: 20px 10px;
        }

        .module h2 {
            font-size: 20px;
        }
    }

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

    @keyframes grow-progress {
        from { width: 0%; }
        to { width: 100%; }
    }