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

    body {
        font-family: 'Helvetica Neue', Arial, sans-serif;
        background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
        color: #333;
        line-height: 1.6;
    }

    a {
        color: #0078D4;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #FFC107;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 60px;
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(10px);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        z-index: 1000;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .navbar .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: #0078D4;
    }

    .navbar ul {
        list-style: none;
        display: flex;
    }

    .navbar ul li {
        margin-left: 20px;
    }

    /* 主内容 */
    .container {
        padding: 100px 20px 40px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .header {
        text-align: center;
        margin-bottom: 40px;
    }

    .header h1 {
        font-size: 3rem;
        color: #0078D4;
        margin-bottom: 10px;
    }

    .header p {
        font-size: 1.2rem;
        color: #555;
    }

    /* 模块化卡片布局 */
    .cards {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.6);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 15px rgba(0,0,0,0.2);
    }

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

    .card h3 {
        margin-bottom: 10px;
        color: #0078D4;
    }

    .card p {
        color: #555;
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        background: #FFC107;
        color: #fff;
        padding: 10px 20px;
        border-radius: 25px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        margin-top: 15px;
    }

    .button:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    /* 示例展示 */
    .example {
        margin-top: 60px;
        padding: 40px 20px;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .example h2 {
        text-align: center;
        color: #0078D4;
        margin-bottom: 20px;
    }

    .example article {
        max-width: 100%;
        overflow-x: auto;
    }

    .example pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .example code {
        font-family: 'Courier New', Courier, monospace;
        color: #d14;
    }

    /* 动态粒子效果 */
    .particles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        overflow: hidden;
        z-index: -1;
    }

    .particle {
        position: absolute;
        width: 8px;
        height: 8px;
        background: rgba(255, 255, 255, 0.8);
        border-radius: 50%;
        opacity: 0.7;
        animation: moveParticles 15s linear infinite;
    }

    @keyframes moveParticles {
        0% {
            transform: translateY(0) translateX(0);
            opacity: 0.7;
        }
        50% {
            opacity: 0.5;
        }
        100% {
            transform: translateY(-1000px) translateX(500px);
            opacity: 0.7;
        }
    }

    /* 预生成粒子 */
    @for $i from 1 through 30 {
        .particle:nth-child(#{$i}) {
            left: random(100%) ;
            top: random(100%);
            animation-delay: random(10)s;
            animation-duration: random(10) + 10s;
        }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .header h1 {
            font-size: 2.5rem;
        }
    }

    @media (max-width: 1200px) {
        .navbar ul li {
            margin-left: 15px;
        }

        .header h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 1024px) {
        .cards {
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        }

        .header p {
            font-size: 1rem;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
            height: auto;
            padding: 10px;
        }

        .navbar ul {
            flex-direction: column;
            align-items: center;
        }

        .navbar ul li {
            margin: 10px 0;
        }

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

        .header h1 {
            font-size: 2rem;
        }
    }

    @media (max-width: 480px) {
        .header h1 {
            font-size: 1.8rem;
        }

        .card h3 {
            font-size: 1.2rem;
        }

        .button {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
    }

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

        .navbar .logo {
            font-size: 1.2rem;
        }

        .card p {
            font-size: 0.9rem;
        }
    }