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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #003366, #660099);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
}

h1, h2, h3, h4 {
    color: #FF9900;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 15px;
}

h1 {
    font-size: 3rem;
    font-family: 'Montserrat', sans-serif;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    font-size: 1rem;
    margin-bottom: 15px;
}

ul {
    list-style: disc inside;
    margin-bottom: 15px;
}

li {
    margin-bottom: 10px;
}

pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 15px;
}

code {
    font-family: 'Courier New', Courier, monospace;
    color: #00FFFF;
}

button {
    background: linear-gradient(135deg, #00FFFF, #FF69B4);
    border: none;
    padding: 10px 20px;
    color: #ffffff;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s ease;
}

button:hover {
    background: linear-gradient(135deg, #FF69B4, #00FFFF);
}

a {
    color: #00FFFF;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #FF69B4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

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

.section {
    margin-bottom: 60px;
}

.image-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.image-grid img {
    width: 100%;
    max-width: 320px;
    border-radius: 10px;
}

.sample-article {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
}

.sample-article h2, .sample-article h3, .sample-article h4 {
    color: #FF69B4;
}

.sample-data {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
}

.emotional-text {
    font-family: 'Pacifico', cursive;
    color: #FF69B4;
}

@keyframes hologram-effect {
    0% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

.hologram {
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(0, 255, 255, 0.2));
    animation: hologram-effect 2s infinite;
}

.parallax {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    height: 500px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media (max-width: 1440px) {
    body {
        padding: 15px;
    }
}

@media (max-width: 1200px) {
    .container {
        padding: 15px;
    }
}

@media (max-width: 1024px) {
    .image-grid {
        flex-direction: column;
        align-items: center;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .image-grid img {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

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

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

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1rem;
    }

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

    button {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}