/* 全局样式与字体定义 */
    @import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Poppins:wght@600&family=Roboto+Slab:wght@400&display=swap');

    :root {
        --primary-color: #81C784; /* 苔藓绿 */
        --secondary-color: #90A4AE; /* 浅灰色 */
        --accent-color: #FFB74D; /* 铜黄色 */
        --background-gradient: radial-gradient(circle, #81C784, transparent);
        --text-color: #333333;
        --font-primary: 'Inter', sans-serif;
        --font-secondary: 'Poppins', sans-serif;
        --font-title: 'Roboto Slab', serif;
    }

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

    body {
        font-family: var(--font-primary);
        color: var(--text-color);
        background: var(--background-gradient);
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: linear-gradient(135deg, #81C784, #FFB74D);
        color: #fff;
        border-radius: 15px;
        margin-bottom: 30px;
        animation: aurora-move 15s linear infinite;
    }

    header h1 {
        font-family: var(--font-secondary);
        font-size: 2.5rem;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2rem;
    }

    main {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    article {
        background: #fff;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    article h2, article h3, article h4 {
        font-family: var(--font-secondary);
        color: var(--primary-color);
        margin-bottom: 15px;
    }

    article p {
        margin-bottom: 15px;
    }

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

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #d14;
    }

    .button {
        display: inline-block;
        padding: 10px 20px;
        background-color: var(--primary-color);
        color: #fff;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: transform 0.2s ease, background-color 0.3s ease;
    }

    .button:hover {
        transform: scale(1.05);
        background-color: #66BB6A;
    }

    .button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: ripple 0.6s ease-out;
    }

    @keyframes ripple {
        0% {
            width: 0;
            height: 0;
            opacity: 1;
        }
        100% {
            width: 200px;
            height: 200px;
            opacity: 0;
        }
    }

    @keyframes aurora-move {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }

    /* 图像样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        body {
            padding: 15px;
        }
    }

    @media (max-width: 1200px) {
        header h1 {
            font-size: 2rem;
        }

        article {
            padding: 25px;
        }
    }

    @media (max-width: 1024px) {
        .image-gallery {
            justify-content: center;
        }
    }

    @media (max-width: 768px) {
        header {
            padding: 40px 0;
        }

        article {
            padding: 20px;
        }

        .button {
            padding: 8px 16px;
        }
    }

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

        article {
            padding: 15px;
        }

        pre {
            padding: 10px;
        }
    }

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

        article {
            padding: 10px;
        }

        .button {
            padding: 6px 12px;
        }
    }

    /* 内部链接样式 */
    a {
        color: var(--accent-color);
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 提示语样式 */
    .note {
        background: #FFF3E0;
        padding: 15px;
        border-left: 5px solid var(--accent-color);
        margin-bottom: 20px;
        border-radius: 3px;
    }