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

    /* 颜色变量 */
    :root {
        --primary-blue: #1E272E;
        --metallic-gray: #2C3E50;
        --gold: #FFD700;
        --soft-green: #6AB04C;
        --soft-purple: #9B59B6;
        --white: #FFFFFF;
        --light-gray: #ECF0F1;
        --text-color: #FFFFFF;
        --button-hover-green: #55A630;
        --button-hover-purple: #8E44AD;
        --card-bg: #353B48;
        --shadow-color: rgba(0, 0, 0, 0.3);
        --transition-speed: 0.3s;
        --font-primary: 'Roboto', sans-serif;
        --font-secondary: 'Poppins', sans-serif;
        --font-title: 'Bebas Neue', sans-serif;
    }

    body {
        background: radial-gradient(circle, var(--primary-blue), transparent);
        color: var(--text-color);
        font-family: var(--font-primary);
        line-height: 1.6;
        padding: 0 20px;
    }

    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: var(--metallic-gray);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 4px 6px var(--shadow-color);
    }

    .navbar .logo {
        font-family: var(--font-title);
        font-size: 24px;
        color: var(--gold);
    }

    .navbar ul {
        list-style: none;
        display: flex;
    }

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        text-decoration: none;
        color: var(--white);
        font-family: var(--font-secondary);
        transition: color var(--transition-speed);
    }

    .navbar ul li a:hover {
        color: var(--gold);
    }

    /* 主要内容区域 */
    .hero {
        height: 100vh;
        background: linear-gradient(135deg, var(--primary-blue), var(--metallic-gray));
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
        padding-top: 80px;
    }

    .hero h1 {
        font-family: var(--font-title);
        font-size: 48px;
        color: var(--gold);
        margin-bottom: 20px;
        text-shadow: 2px 2px 4px var(--shadow-color);
    }

    .hero p {
        font-size: 20px;
        max-width: 600px;
        margin: 0 auto 30px;
    }

    .hero .cta-button {
        background-color: var(--soft-green);
        color: var(--white);
        padding: 15px 30px;
        border: none;
        border-radius: 50px;
        font-size: 18px;
        cursor: pointer;
        transition: background-color var(--transition-speed), transform 0.2s;
        box-shadow: 0 4px 6px var(--shadow-color);
    }

    .hero .cta-button:hover {
        background-color: var(--button-hover-green);
        transform: scale(1.05);
    }

    /* 功能模块 */
    .features {
        padding: 60px 0;
        background: linear-gradient(180deg, var(--metallic-gray), var(--primary-blue));
    }

    .features .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .features .card {
        background-color: var(--card-bg);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 4px 8px var(--shadow-color);
        transition: transform var(--transition-speed);
    }

    .features .card img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .features .card h3 {
        font-family: var(--font-title);
        font-size: 24px;
        margin-bottom: 10px;
        color: var(--gold);
    }

    .features .card p {
        font-family: var(--font-secondary);
        font-size: 16px;
    }

    .features .card:hover {
        transform: translateY(-10px);
    }

    /* 示例展示区 */
    .example-section {
        padding: 60px 0;
        background: linear-gradient(135deg, var(--primary-blue), var(--metallic-gray));
    }

    .example-section .container {
        max-width: 1000px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .example-section h2 {
        font-family: var(--font-title);
        font-size: 32px;
        color: var(--gold);
        margin-bottom: 20px;
        text-align: center;
    }

    .example-section article {
        background-color: var(--card-bg);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px var(--shadow-color);
        color: var(--white);
    }

    .example-section article h2 {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .example-section article h3 {
        font-size: 22px;
        margin: 20px 0 10px;
    }

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

    .example-section article pre {
        background-color: var(--metallic-gray);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .example-section article code {
        font-family: 'Courier New', Courier, monospace;
        color: var(--gold);
    }

    /* 图片轮播 */
    .carousel {
        position: relative;
        max-width: 1200px;
        margin: 40px auto;
        overflow: hidden;
        border-radius: 15px;
        box-shadow: 0 8px 16px var(--shadow-color);
    }

    .carousel img {
        width: 100%;
        height: auto;
        display: none;
    }

    .carousel img.active {
        display: block;
        animation: fadeIn 2s;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* 页脚 */
    footer {
        background-color: var(--metallic-gray);
        color: var(--white);
        text-align: center;
        padding: 20px 0;
        margin-top: 40px;
        position: relative;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .hero h1 {
            font-size: 40px;
        }

        .hero p {
            font-size: 18px;
        }

        .features .container {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }

        .example-section article {
            padding: 20px;
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            padding: 10px 20px;
        }

        .navbar .logo {
            font-size: 20px;
        }

        .hero h1 {
            font-size: 36px;
        }

        .hero p {
            font-size: 16px;
        }
    }

    @media (max-width: 1024px) {
        .features .container {
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        }

        .features .card h3 {
            font-size: 20px;
        }

        .example-section h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 768px) {
        .navbar ul {
            display: none;
        }

        .navbar .menu-toggle {
            display: block;
            cursor: pointer;
            color: var(--white);
            font-size: 24px;
        }

        .hero h1 {
            font-size: 28px;
        }

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

        .carousel img {
            height: auto;
        }
    }

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

        .hero p {
            font-size: 14px;
        }

        .hero .cta-button {
            padding: 10px 20px;
            font-size: 16px;
        }

        .features .card {
            padding: 15px;
        }

        .example-section h2 {
            font-size: 24px;
        }

        footer {
            padding: 15px 0;
        }
    }

    @media (max-width: 320px) {
        .hero h1 {
            font-size: 20px;
        }

        .hero p {
            font-size: 12px;
        }

        .features .card h3 {
            font-size: 18px;
        }

        .example-section h2 {
            font-size: 20px;
        }
    }

    /* 按钮样式 */
    .button-primary, .button-secondary {
        display: inline-block;
        text-decoration: none;
        padding: 10px 20px;
        border-radius: 5px;
        transition: background-color var(--transition-speed), transform 0.2s;
        box-shadow: 2px 2px 5px var(--shadow-color);
    }

    .button-primary {
        background-color: var(--soft-green);
        color: var(--white);
    }

    .button-primary:hover {
        background-color: var(--button-hover-green);
        transform: scale(1.05);
    }

    .button-secondary {
        background-color: var(--soft-purple);
        color: var(--white);
    }

    .button-secondary:hover {
        background-color: var(--button-hover-purple);
        transform: scale(1.05);
    }

    /* 链接样式 */
    a {
        color: var(--gold);
        text-decoration: none;
        transition: color var(--transition-speed);
    }

    a:hover {
        color: var(--white);
    }

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

    table, th, td {
        border: 1px solid var(--light-gray);
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: var(--soft-green);
        color: var(--white);
    }

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

    .aurora {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 代码块样式 */
    pre {
        background-color: var(--metallic-gray);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: var(--gold);
    }