/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1a1a40, #4affd1);
        color: #ffffff;
        overflow-x: hidden;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Bebas Neue', cursive;
        color: #ffffff;
    }

    h1 {
        font-size: 48px;
        text-align: center;
        margin: 20px 0;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    h2 {
        font-size: 36px;
        margin-top: 40px;
        margin-bottom: 20px;
        border-bottom: 2px solid #4affd1;
        display: inline-block;
    }

    h3 {
        font-size: 28px;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 15px;
    }

    /* 链接样式 */
    a {
        color: #ff5722;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 文章展示样式 */
    .example-display {
        background: rgba(0, 0, 0, 0.5);
        padding: 20px;
        border-radius: 10px;
        margin: 20px;
    }

    .example-display pre {
        background: #2c2c6c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .example-display code {
        font-family: 'Courier New', Courier, monospace;
        color: #4affd1;
    }

    /* 卡片网格 */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
        padding: 20px;
    }

    /* 单个卡片样式 */
    .card {
        background: linear-gradient(145deg, #2c2c6c, #4affd1);
        border-radius: 15px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        overflow: hidden;
        position: relative;
    }

    .card:hover {
        transform: translateY(-15px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
    }

    .card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
    }

    .card-content {
        padding: 15px;
    }

    .card-title {
        font-size: 20px;
        margin-bottom: 10px;
        color: #ffffff;
    }

    .card-description {
        font-size: 14px;
        margin-bottom: 10px;
        color: #e0e0e0;
    }

    .card-tags {
        font-size: 12px;
        color: #ffcc00;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 42px;
        }

        h2 {
            font-size: 32px;
        }

        h3 {
            font-size: 24px;
        }

        p {
            font-size: 15px;
        }
    }

    @media (max-width: 1200px) {
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 22px;
        }
    }

    @media (max-width: 768px) {
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        }

        h1 {
            font-size: 32px;
        }

        h2 {
            font-size: 24px;
        }

        h3 {
            font-size: 20px;
        }
    }

    @media (max-width: 480px) {
        .card-grid {
            grid-template-columns: 1fr;
        }

        h1 {
            font-size: 28px;
        }

        h2 {
            font-size: 20px;
        }

        h3 {
            font-size: 18px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 24px;
        }

        h2 {
            font-size: 18px;
        }

        h3 {
            font-size: 16px;
        }
    }

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

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

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        font-size: 14px;
        margin: 10px 0;
        color: #ffcc00;
    }