/* 全局样式设置 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: bold;
    margin-top: 2rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: #ff9f43;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.header {
    background: linear-gradient(135deg, #2a5298, #4b6cb7);
    padding: 20px;
    text-align: center;
    position: relative;
    margin-bottom: 20px;
}

.header h1 {
    font-size: 2.5rem;
    margin: 0;
}

.header p {
    font-size: 1rem;
    margin: 10px 0 0;
}

.hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out;
}

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

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #ff9f43;
    font-family: 'Courier New', monospace;
}

.icon {
    width: 40px;
    height: 40px;
    background-color: #ff9f43;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    margin: 0 auto 20px;
}

button {
    background: linear-gradient(135deg, #ff9f43, #f9d423);
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

button:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

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

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

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