/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0074D9, #6F5BFA);
    background-size: cover;
    color: #FFFFFF;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 1rem;
}

p, li {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.container {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.header {
    text-align: center;
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    width: 100%;
}

.header h1 {
    font-size: 2.5rem;
    color: #FFFFFF;
    text-transform: uppercase;
}

.section {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 10px;
    padding: 20px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}

pre {
    background: rgba(0, 0, 0, 0.7);
    color: #FFFFFF;
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

button {
    background-color: #0074D9;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
}

button:hover {
    background-color: #6F5BFA;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    p, li {
        font-size: 0.9rem;
    }

    pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 400px) {
    .header h1 {
        font-size: 1.8rem;
    }

    p, li {
        font-size: 0.8rem;
    }
}