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

    body {
        font-family: 'Lora', serif;
        background: linear-gradient(135deg, #000000, #1e003c, #00bfff);
        background-size: 200% 200%;
        animation: gradient-animation 15s ease infinite;
        color: #ffffff;
        overflow-x: hidden;
    }

    @keyframes gradient-animation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 60px 0;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #00ff99;
        margin-bottom: 20px;
        text-align: center;
    }

    h1 {
        font-size: 48px;
        font-weight: bold;
    }

    h2 {
        font-size: 36px;
        margin-top: 40px;
    }

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

    h4 {
        font-size: 22px;
        margin-top: 20px;
    }

    /* 段落样式 */
    p {
        font-size: 18px;
        line-height: 1.6;
        color: #ffffff;
        margin-bottom: 20px;
    }

    /* 链接样式 */
    a {
        color: #00bfff;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #00ff99;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        background-color: #00ff99;
        color: #000000;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        transition: all 0.3s ease;
        cursor: pointer;
        text-align: center;
    }

    .btn:hover {
        transform: scale(1.1);
        box-shadow: 0px 5px 15px rgba(0, 255, 153, 0.5);
    }

    /* 图片样式 */
    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 10px;
    }

    /* 网格系统 */
    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 40px;
    }

    .grid-item {
        background-color: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .grid-item:hover {
        transform: translateY(-10px);
        box-shadow: 0px 10px 20px rgba(0, 255, 153, 0.3);
    }

    /* 代码块样式 */
    pre {
        background-color: rgba(0, 0, 0, 0.8);
        padding: 20px;
        border-radius: 10px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        margin-bottom: 20px;
    }

    code {
        color: #00ff99;
    }

    /* 仪表盘样式 */
    .dashboard {
        display: flex;
        justify-content: space-around;
        align-items: center;
        flex-wrap: wrap;
        margin-top: 40px;
    }

    .dashboard-item {
        background-color: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        width: 45%;
        margin-bottom: 20px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .dashboard-item:hover {
        transform: scale(1.05);
        box-shadow: 0px 10px 20px rgba(0, 255, 153, 0.3);
    }

    /* 视频样式 */
    video {
        width: 100%;
        max-width: 600px;
        border-radius: 10px;
        margin: 20px auto;
        display: block;
    }

    /* 虚拟空间样式 */
    .virtual-space {
        position: relative;
        width: 100%;
        height: 400px;
        background-image: url('https://images.gptkong.com/demo/sample4.png');
        background-size: cover;
        background-position: center;
        border-radius: 10px;
        margin-top: 40px;
        overflow: hidden;
    }

    /* 动态粒子效果 */
    .particles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
    }

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

        h2 {
            font-size: 32px;
        }

        h3 {
            font-size: 26px;
        }

        h4 {
            font-size: 20px;
        }

        p {
            font-size: 16px;
        }

        .dashboard-item {
            width: 100%;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 40px 0;
        }
    }

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

    @media (max-width: 768px) {
        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 22px;
        }

        h4 {
            font-size: 18px;
        }

        p {
            font-size: 14px;
        }

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

    @media (max-width: 480px) {
        h1 {
            font-size: 28px;
        }

        h2 {
            font-size: 24px;
        }

        h3 {
            font-size: 20px;
        }

        h4 {
            font-size: 16px;
        }

        p {
            font-size: 12px;
        }

        .dashboard-item {
            width: 100%;
        }
    }

    @media (max-width: 320px) {
        .container {
            padding: 20px 0;
        }

        h1 {
            font-size: 24px;
        }
    }

    /* 特殊效果 */
    .fade-in {
        opacity: 0;
        animation: fadeIn 2s forwards;
    }

    @keyframes fadeIn {
        to { opacity: 1; }
    }

    .bounce {
        animation: bounce 1s infinite;
    }

    @keyframes bounce {
        0%, 20%, 50%, 80%, 100% {
            transform: translateY(0);
        }
        40% {
            transform: translateY(-10px);
        }
        60% {
            transform: translateY(-5px);
        }
    }

    /* 视差滚动 */
    .parallax {
        height: 100vh;
        background-image: url('https://images.gptkong.com/demo/sample5.png');
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }

    /* 导航栏 */
    nav {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.7);
        padding: 20px 0;
        z-index: 1000;
        transition: background 0.3s ease;
    }

    nav.scrolled {
        background: rgba(0, 0, 0, 0.9);
    }

    nav ul {
        list-style: none;
        display: flex;
        justify-content: center;
    }

    nav ul li {
        margin: 0 15px;
    }

    nav ul li a {
        color: #ffffff;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    nav ul li a:hover {
        color: #00ff99;
    }

    /* 页脚 */
    footer {
        background: rgba(0, 0, 0, 0.8);
        padding: 20px 0;
        text-align: center;
        color: #ffffff;
        margin-top: 40px;
    }

    /* 动画化背景 */
    .animated-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
    }