/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    color: #d4d4e6;
    margin-bottom: 15px;
}
p {
    font-size: 16px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
a {
    color: #4b7bec;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #6f9ceb;
}
.container {
    max-width: 1200px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    width: calc(50% - 10px);
}
.card:hover {
    transform: translateY(-5px);
}
.code-block {
    background: #0f172a;
    color: #d4d4e6;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin-bottom: 20px;
}
.table-container table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
.table-container th, .table-container td {
    border: 1px solid #3f51b5;
    padding: 10px;
    text-align: left;
}
.table-container th {
    background-color: #2a5298;
    color: #ffffff;
}
.button {
    background-color: #2a5298;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
.button:hover {
    background-color: #4b7bec;
}
.particle {
    width: 5px;
    height: 5px;
    background-color: white;
    border-radius: 50%;
    position: absolute;
    animation: particleAnimation 2s infinite;
}
@keyframes particleAnimation {
    0% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
    100% { transform: translate(0, 0); }
}
@media (max-width: 768px) {
    .card {
        width: 100%;
    }
    .particle {
        display: none;
    }
}