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

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, #0A192F, #E5E9F0);
        color: #E5E9F0;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Space Grotesk', sans-serif;
        color: #FFD700;
        margin-bottom: 1rem;
    }

    h1 {
        font-size: 3rem;
        text-align: center;
        margin-top: 20px;
    }

    h2 {
        font-size: 2.5rem;
        margin-top: 2rem;
    }

    h3 {
        font-size: 2rem;
        margin-top: 1.5rem;
    }

    p {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }

    a {
        color: #8A2BE2;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 布局 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    .header {
        text-align: center;
        padding: 50px 0;
        background: linear-gradient(135deg, #0A192F, #8A2BE2);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
        margin-top: 20px;
    }

    .card {
        background: #1E2A38;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    }

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

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background-color: #8A2BE2;
        color: #0A192F;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background-color 0.3s ease, color 0.3s ease;
        text-decoration: none;
        font-weight: bold;
    }

    .btn:hover {
        background-color: #FFD700;
        color: #0A192F;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.5rem 0;
    }

    table, th, td {
        border: 1px solid #8A2BE2;
    }

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

    th {
        background-color: #8A2BE2;
        color: #0A192F;
    }

    /* 代码块样式 */
    pre {
        background: #1E2A38;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 1rem;
    }

    code {
        color: #FFD700;
        font-family: 'Courier New', Courier, monospace;
    }

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

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

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.8rem;
        }

        h2 {
            font-size: 2.3rem;
        }

        h3 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 15px;
        }

        .header {
            padding: 40px 0;
        }

        .card {
            padding: 15px;
        }
    }

    @media (max-width: 1024px) {
        .content {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }

        h1 {
            font-size: 2.5rem;
        }

        h2 {
            font-size: 2rem;
        }

        h3 {
            font-size: 1.6rem;
        }
    }

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

        h2 {
            font-size: 1.8rem;
        }

        h3 {
            font-size: 1.4rem;
        }

        .content {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        body {
            padding: 10px;
        }

        .header {
            padding: 30px 0;
        }

        h1 {
            font-size: 1.8rem;
        }

        h2 {
            font-size: 1.6rem;
        }

        h3 {
            font-size: 1.2rem;
        }
    }

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

        h2 {
            font-size: 1.4rem;
        }

        h3 {
            font-size: 1rem;
        }
    }

    /* 表单元素隐藏 */
    input, textarea, select, button {
        display: none;
    }

    /* 提示信息 */
    .notice {
        text-align: center;
        font-size: 1.2rem;
        margin: 20px 0;
        color: #FFD700;
    }

    /* 视觉分隔 */
    .divider {
        height: 2px;
        background: #8A2BE2;
        margin: 2rem 0;
        border: none;
    }

    /* 图片响应 */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }