/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        background: radial-gradient(circle, rgb(18, 18, 18), transparent);
        color: #ffffff;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        padding: 20px;
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background-color: #1e1e1e;
        padding: 15px 30px;
        border-bottom: 1px solid #333;
    }

    .navbar .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: #ffd700;
    }

    .navbar .nav-links {
        display: flex;
        gap: 20px;
    }

    .navbar .nav-links a {
        color: #ffffff;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.3s ease;
    }

    .navbar .nav-links a:hover {
        color: #1e90ff;
    }

    /* 主要内容区 */
    .container {
        max-width: 1200px;
        margin: 40px auto;
        display: grid;
        grid-template-columns: 1fr 3fr;
        gap: 20px;
    }

    /* 侧边栏样式 */
    .sidebar {
        background-color: #1e1e1e;
        padding: 20px;
        border-radius: 10px;
    }

    .sidebar h3 {
        margin-bottom: 15px;
        color: #1e90ff;
    }

    .sidebar .data-item {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
    }

    .sidebar .data-item img {
        width: 40px;
        height: 40px;
        border-radius: 5px;
        margin-right: 10px;
    }

    .sidebar .data-item div {
        font-size: 0.9rem;
    }

    /* 文章内容样式 */
    .content article {
        background-color: #2c2c2c;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    }

    .content h2, .content h3, .content h4 {
        color: #ffd700;
        margin-bottom: 20px;
    }

    .content p {
        margin-bottom: 15px;
        color: #dddddd;
    }

    .content pre {
        background-color: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .content code {
        color: #1e90ff;
        font-family: 'Courier New', Courier, monospace;
    }

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

    .content table, .content th, .content td {
        border: 1px solid #444;
    }

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

    .content th {
        background-color: #1e90ff;
        color: #ffffff;
    }

    /* 卡片式布局 */
    .cards {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 40px;
    }

    .card {
        background-color: #1e1e1e;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 8px rgba(0,0,0,0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 16px rgba(0,0,0,0.5);
    }

    .card img {
        width: 100%;
        height: 160px;
        object-fit: cover;
    }

    .card-body {
        padding: 15px;
    }

    .card-body h4 {
        margin-bottom: 10px;
        color: #1e90ff;
    }

    .card-body p {
        font-size: 0.9rem;
        color: #cccccc;
    }

    /* 按钮样式 */
    .button-primary {
        background: linear-gradient(135deg, #ff5722, #ff8a65);
        color: #ffffff;
        border: none;
        padding: 12px 25px;
        border-radius: 25px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.3s ease;
        font-size: 1rem;
        font-weight: bold;
    }

    .button-primary:hover {
        background: linear-gradient(135deg, #ff8a65, #ff5722);
        transform: scale(1.05);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1000px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: 1fr;
        }

        .sidebar {
            order: 2;
            margin-top: 20px;
        }

        .content {
            order: 1;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            padding: 10px 20px;
        }

        .navbar .logo {
            font-size: 1.3rem;
        }

        .navbar .nav-links a {
            font-size: 0.9rem;
        }
    }

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

        .card img {
            height: 140px;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }

        .navbar .nav-links {
            flex-direction: column;
            width: 100%;
        }

        .navbar .nav-links a {
            padding: 10px 0;
            width: 100%;
        }

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

        .card img {
            height: 120px;
        }
    }

    @media (max-width: 320px) {
        .content article {
            padding: 20px;
        }

        .card img {
            height: 100px;
        }
    }

    /* 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;
    }

    /* 提示信息样式 */
    .note {
        background-color: #333333;
        padding: 15px;
        border-left: 5px solid #1e90ff;
        margin-bottom: 20px;
        border-radius: 5px;
    }

    .note p {
        color: #cccccc;
    }

    /* 链接样式 */
    a {
        color: #1e90ff;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }