/* 基础样式设置 */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Orbitron', sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #6c5ce7, #30336b);
    color: white;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

header h1 {
    font-size: 24px;
    margin: 0;
    color: #00d8ff;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 16px;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #00ff99;
}

main {
    margin-top: 80px;
}

.hero-section {
    height: 100vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-content {
    flex: 1;
    padding-right: 20px;
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 0 0 10px #00d8ff;
}

.hero-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.cta-button {
    background: #00d8ff;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #00ff99;
    transform: scale(1.1);
}

.hero-visual {
    flex: 1;
    position: relative;
}

.hero-visual img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 216, 255, 0.5);
}

.features-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 50px 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 216, 255, 0.5);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 216, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #00d8ff;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.6;
}

.animation-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center, 
                url('https://images.gptkong.com/demo/sample2.png') no-repeat center center,
                url('https://images.gptkong.com/demo/sample3.png') no-repeat center center;
    background-size: cover;
    animation: moveBackground 15s infinite alternate;
    z-index: -1;
}

@keyframes moveBackground {
    from { transform: translateX(-10px) translateY(-10px); }
    to { transform: translateX(10px) translateY(10px); }
}

.article-section {
    background: rgba(0, 0, 0, 0.8);
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 50px;
}

.article-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #00d8ff;
}

.article-section p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.article-section pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 14px;
}

footer {
    background: #000000;
    color: white;
    padding: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 20px;
    }

    .hero-content h2 {
        font-size: 36px;
    }

    .features-section {
        grid-template-columns: 1fr;
    }

    nav ul {
        flex-direction: column;
        gap: 10px;
    }
}