/* 全局样式定义 */
body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #0F0F0F, #2E2E2E);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3 {
    font-family: 'Futura', sans-serif;
    font-weight: bold;
    color: #00BFFF;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
}
p {
    color: #d1d1d1;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}
a {
    color: #39FF14;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}
a:hover {
    color: #9400D3;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.header {
    position: relative;
    height: 100vh;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.8);
}
.header h1 {
    font-size: 4rem;
    letter-spacing: 2px;
    animation: fadeIn 2s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin: 20px 0;
    transition: all 0.3s ease-in-out;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-in-out;
}
.show {
    opacity: 1;
    transform: translateY(0);
}
.code-block {
    background: #1A1A1A;
    border: 1px solid #333;
    border-radius: 5px;
    padding: 15px;
    color: #00BFFF;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}
.table-container {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
th {
    background: rgba(0, 191, 255, 0.2);
    color: #fff;
    font-weight: bold;
}
td {
    color: #ccc;
}
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: -1;
}
/* 响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }
    .grid {
        grid-template-columns: 1fr;
    }
    table {
        font-size: 0.9rem;
    }
}