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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #000046, #1cb5e0);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-family: 'Orbitron', sans-serif;
        color: #ffd700;
        text-shadow: 0px 4px 8px rgba(0, 0, 0, 0.5);
    }

    h1 {
        font-size: 3rem;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 2.5rem;
        margin: 30px 0 15px;
    }

    h3 {
        font-size: 2rem;
        margin: 25px 0 10px;
    }

    h4 {
        font-size: 1.5rem;
        margin: 20px 0 10px;
    }

    p {
        margin-bottom: 15px;
        font-size: 1rem;
        color: #e0e0e0;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00ffea;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    th, td {
        border: 1px solid #555;
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: #1cb5e0;
    }

    a {
        color: #ffd700;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 分屏布局 */
    .split-screen {
        display: flex;
        flex-wrap: wrap;
        min-height: 100vh;
    }

    .left-panel, .right-panel {
        flex: 1;
        padding: 20px;
    }

    .left-panel {
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, transparent 70%);
        position: relative;
        animation: aurora-move 15s linear infinite;
    }

    .right-panel {
        background: #000;
        color: #fff;
        overflow-y: auto;
    }

    /* 关键视觉元素 */
    .star {
        position: absolute;
        width: 2px;
        height: 2px;
        background-color: white;
        border-radius: 50%;
        animation: star-twinkle 2s infinite alternate;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.5rem;
        }

        h2 {
            font-size: 2rem;
        }

        h3 {
            font-size: 1.75rem;
        }

        h4 {
            font-size: 1.25rem;
        }
    }

    @media (max-width: 1200px) {
        .split-screen {
            flex-direction: column;
        }

        .left-panel, .right-panel {
            flex: none;
            width: 100%;
            height: auto;
        }
    }

    @media (max-width: 1024px) {
        body {
            padding: 15px;
        }

        h1 {
            font-size: 2.2rem;
        }

        h2 {
            font-size: 1.8rem;
        }

        p, code {
            font-size: 0.95rem;
        }
    }

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

        h2 {
            font-size: 1.6rem;
        }

        h3 {
            font-size: 1.5rem;
        }

        .split-screen {
            flex-direction: column;
        }
    }

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

        h2 {
            font-size: 1.4rem;
        }

        p, code {
            font-size: 0.85rem;
        }
    }

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

        h2 {
            font-size: 1.2rem;
        }

        p, code {
            font-size: 0.8rem;
        }
    }

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

    @keyframes star-twinkle {
        0% { opacity: 0; }
        50% { opacity: 1; }
        100% { opacity: 0; }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #1cb5e0;
        color: #fff;
        border-radius: 5px;
        transition: background 0.3s ease;
    }

    .btn:hover {
        background: #ff5722;
    }

    /* 提示信息 */
    .note {
        background: rgba(0, 0, 0, 0.5);
        padding: 10px;
        border-left: 5px solid #ffd700;
        margin: 20px 0;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100%;
        max-width: 320px;
        border-radius: 8px;
    }