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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #27ae60;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #8e44ad;
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 0;
        background: linear-gradient(135deg, #2c3e50, #4ca1af);
        transform: skewY(-5deg);
        margin-bottom: 50px;
    }

    header h1 {
        font-size: 3rem;
        color: #ffffff;
        transform: skewY(5deg);
    }

    /* 导航栏 */
    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
    }

    nav a {
        font-size: 1.2rem;
        position: relative;
    }

    nav a::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 2px;
        background: #27ae60;
        left: 0;
        bottom: -5px;
        transition: width 0.3s;
    }

    nav a:hover::after {
        width: 100%;
    }

    /* 主要内容 */
    main {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 20px;
    }

    /* 文章区域 */
    article {
        background: rgba(44, 44, 44, 0.8);
        padding: 30px;
        border-radius: 15px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        transform: skewX(-2deg);
    }

    article h2 {
        font-size: 2rem;
        margin-bottom: 20px;
        color: #8e44ad;
    }

    article h3 {
        font-size: 1.5rem;
        margin-top: 20px;
        margin-bottom: 10px;
        color: #27ae60;
    }

    article p {
        margin-bottom: 15px;
        font-size: 1rem;
        color: #d3d3d3;
    }

    article ul, article ol {
        margin-left: 20px;
        margin-bottom: 15px;
    }

    article li {
        margin-bottom: 10px;
    }

    article pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    article code {
        color: #f39c12;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(44, 44, 44, 0.8);
        padding: 30px;
        border-radius: 15px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        transform: skewY(-2deg);
    }

    .sample-data h2 {
        font-size: 2rem;
        margin-bottom: 20px;
        color: #8e44ad;
    }

    .sample-data ul {
        list-style: none;
    }

    .sample-data li {
        margin-bottom: 15px;
        background: linear-gradient(135deg, #8e44ad, #27ae60);
        padding: 15px;
        border-radius: 10px;
        position: relative;
    }

    .sample-data li::before {
        content: '';
        position: absolute;
        width: 50px;
        height: 50px;
        background-size: cover;
        top: -25px;
        left: calc(50% - 25px);
        border-radius: 50%;
        box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    }

    /* 使用示例图片 */
    .sample-data li:nth-child(1)::before {
        background-image: url('https://images.gptkong.com/demo/sample1.png');
    }

    .sample-data li:nth-child(2)::before {
        background-image: url('https://images.gptkong.com/demo/sample2.png');
    }

    .sample-data li:nth-child(3)::before {
        background-image: url('https://images.gptkong.com/demo/sample3.png');
    }

    .sample-data li:nth-child(4)::before {
        background-image: url('https://images.gptkong.com/demo/sample4.png');
    }

    /* 警示信息 */
    .warning {
        text-align: center;
        padding: 20px;
        background: rgba(231, 76, 60, 0.8);
        border-radius: 10px;
        margin: 40px 0;
        transform: skewX(-2deg);
    }

    .warning p {
        font-size: 1.2rem;
        color: #ffffff;
    }

    /* 页脚 */
    footer {
        text-align: center;
        padding: 30px 0;
        background: linear-gradient(135deg, #2c3e50, #4ca1af);
        transform: skewY(-5deg);
        margin-top: 50px;
    }

    footer p {
        color: #ffffff;
        font-size: 1rem;
    }

    /* 动画效果 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .fade-in {
        animation: fadeInUp 1s ease-out forwards;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        main {
            grid-template-columns: 1fr 1fr;
        }
    }

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

        header h1 {
            font-size: 2.5rem;
        }

        nav {
            flex-direction: column;
            gap: 15px;
        }
    }

    @media (max-width: 1024px) {
        .sample-data li::before {
            width: 40px;
            height: 40px;
            top: -20px;
            left: calc(50% - 20px);
        }

        article {
            padding: 20px;
        }
    }

    @media (max-width: 768px) {
        header {
            padding: 30px 0;
        }

        header h1 {
            font-size: 2rem;
        }

        nav a {
            font-size: 1rem;
        }

        .sample-data li::before {
            width: 35px;
            height: 35px;
            top: -17.5px;
            left: calc(50% - 17.5px);
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5rem;
        }

        nav a {
            font-size: 0.9rem;
        }

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

        .sample-data li::before {
            width: 30px;
            height: 30px;
            top: -15px;
            left: calc(50% - 15px);
        }

        article h2, .sample-data h2 {
            font-size: 1.5rem;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.2rem;
        }

        nav a {
            font-size: 0.8rem;
        }

        .sample-data li::before {
            width: 25px;
            height: 25px;
            top: -12.5px;
            left: calc(50% - 12.5px);
        }

        article h2, .sample-data h2 {
            font-size: 1.2rem;
        }
    }