:root {
        --primary-color: #0A2647; /* 深蓝色 */
        --accent-color-green: #1ABC9C; /* 霓虹绿 */
        --accent-color-orange: #FFA500; /* 橙红色 */
        --background-gradient: radial-gradient(circle, rgba(10, 38, 71, 1) 0%, rgba(0, 0, 0, 1) 100%);
        --text-color: #FFFFFF;
        --font-primary: 'Roboto', sans-serif;
        --font-secondary: 'Montserrat', sans-serif;
        --transition-speed: 0.3s;
    }

    body {
        margin: 0;
        padding: 0;
        font-family: var(--font-primary);
        color: var(--text-color);
        background: var(--background-gradient);
        overflow-x: hidden;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(10, 38, 71, 0.8);
    }

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

    header p {
        font-size: 1.2rem;
        color: #ccc;
    }

    .content {
        padding: 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    }

    article h2 {
        font-family: var(--font-secondary);
        font-size: 2rem;
        color: var(--accent-color-orange);
        margin-bottom: 20px;
    }

    article h3 {
        font-family: var(--font-secondary);
        font-size: 1.5rem;
        color: var(--accent-color-green);
        margin-top: 20px;
    }

    article p, article ul, article ol, article table {
        font-size: 1rem;
        line-height: 1.6;
        color: #ddd;
    }

    article pre {
        background: #1a1a1a;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 20px 0;
    }

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

    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 10px;
    }

    .note {
        text-align: center;
        font-size: 1rem;
        margin: 20px 0;
        color: #aaa;
    }

    /* 按钮样式 */
    .button {
        transition: all var(--transition-speed) ease;
        background-color: var(--accent-color-green);
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-family: var(--font-secondary);
    }

    .button:hover {
        transform: scale(1.1);
        background-color: var(--accent-color-orange);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.2rem;
        }

        article h2 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 1200px) {
        .images img {
            width: 90px;
            height: 90px;
        }
    }

    @media (max-width: 1024px) {
        .images img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }

        article h2 {
            font-size: 1.6rem;
        }

        .images img {
            width: 70px;
            height: 70px;
        }
    }

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

        article h2 {
            font-size: 1.4rem;
        }

        .images img {
            width: 60px;
            height: 60px;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.6rem;
        }

        article h2 {
            font-size: 1.2rem;
        }

        .images img {
            width: 50px;
            height: 50px;
        }
    }

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

    .animated-background {
        background: linear-gradient(-45deg, #1ABC9C, #FFA500, #0A2647, #1ABC9C);
        background-size: 400% 400%;
        animation: aurora-move 15s linear infinite;
    }