/* 全局样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1E3A8A, #C084FC);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    color: #fff;
    text-align: center;
}

a {
    color: #10B981;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(30, 58, 138, 0.8);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.nav-links a {
    margin: 0 15px;
    color: #fff;
    font-size: 14px;
}

.content {
    margin-top: 80px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    transition: transform 0.3s ease-in-out;
}

.card:hover {
    transform: scale(1.05);
}

.code-block {
    background: #1E3A8A;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.table-container {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px;
    text-align: left;
}

footer {
    background: #1E3A8A;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

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

    .header {
        flex-direction: column;
    }

    .nav-links a {
        margin: 10px 0;
    }
}