body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0a1128, #000);
    color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    color: #f0f0f0;
    margin-bottom: 0.8em;
}

p {
    line-height: 1.7;
    color: #d0d0d0;
    margin-bottom: 1.2em;
}

a {
    color: #94d7ff;
    text-decoration: none;
}

a:hover {
    color: #c2eaff;
}

section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: auto;
    text-align: center;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero {
    background: linear-gradient(45deg, rgba(10, 17, 40, 0.8), rgba(0, 0, 0, 0.7)), url('https://images.gptkong.com/demo/sample1.png');
    background-size: cover;
    background-position: center;
    padding: 150px 20px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 0.5em;
    text-shadow: 2px 2px 4px #000000;
}

.hero p {
    font-size: 1.2em;
    color: #eee;
    text-shadow: 1px 1px 2px #000000;
}

.features {
    background: linear-gradient(to bottom, #1e1e1e, #000);
    padding: 80px 20px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.feature-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.feature-item h3 {
    margin-top: 0;
    color: #fff;
    font-size: 1.5em;
}

.feature-item p {
    color: #ccc;
}

.showcase {
    background: linear-gradient(to bottom, #000, #1e1e1e);
    padding: 80px 20px;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-item:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.showcase-item img {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-content {
    padding: 25px;
    text-align: left;
}

.showcase-content h3 {
    margin-top: 0;
    color: #fff;
    font-size: 1.3em;
}

.showcase-content p {
    color: #ccc;
}

.article-section {
    background: linear-gradient(to bottom, #1e1e1e, #0a1128);
    padding: 80px 20px;
}

.article-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 8px;
}

.article-container h2 {
    font-size: 2.2em;
    margin-bottom: 20px;
    color: #fff;
    border-bottom: 2px solid #4d79ff;
    padding-bottom: 10px;
}

.article-container h3 {
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #fff;
}

.article-container p {
    font-size: 1.1em;
    color: #ddd;
}

.article-container pre {
    background-color: #1a1a1a;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.9em;
    line-height: 1.5;
    tab-size: 4;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.article-container code {
    font-family: monospace, monospace;
}

.article-container table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    margin-bottom: 20px;
}

.article-container th, .article-container td {
    border: 1px solid #444;
    padding: 8px;
    text-align: left;
}

.article-container th {
    background-color: #222;
    color: #eee;
}

.article-container td {
    color: #ccc;
}

.data-display {
    background: linear-gradient(to bottom, #0a1128, #000);
    padding: 80px 20px;
}

.data-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.data-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 8px;
    text-align: left;
    transition: background-color 0.3s ease;
}

.data-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.data-item h4 {
    font-size: 1.6em;
    color: #fff;
    margin-top: 0;
    margin-bottom: 15px;
    border-bottom: 1px solid #666;
    padding-bottom: 10px;
}

.data-item p {
    color: #ccc;
    line-height: 1.6;
}

.footer {
    background-color: #000;
    color: #888;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9em;
}

.hint-text {
    color: #666;
    font-size: 1em;
    margin-top: 20px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 100px 20px;
    }
    .hero h1 {
        font-size: 2.8em;
    }
    .hero p {
        font-size: 1.1em;
    }
    section {
        padding: 40px 20px;
    }
    .features-grid, .showcase-grid, .data-container {
        grid-template-columns: 1fr;
    }
    .article-container {
        padding: 30px;
    }
    .article-container h2 {
        font-size: 2em;
    }
    .article-container h3 {
        font-size: 1.6em;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2em;
    }
    .hero p {
        font-size: 1em;
    }
    .article-container h2 {
        font-size: 1.8em;
    }
    .article-container h3 {
        font-size: 1.4em;
    }
}