/* 基础样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(to bottom, #001f3f, #000000);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Bebas Neue', sans-serif;
    color: #ff9800;
    margin-top: 1.5em;
}
p {
    font-size: 1rem;
    margin-bottom: 1.5em;
}
a {
    color: #FFC107;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #e65100;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}
.header {
    text-align: center;
    padding: 50px 0;
    background: radial-gradient(circle, rgba(255, 87, 34, 0.2), transparent);
    position: relative;
    overflow: hidden;
}
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(45deg, rgba(255, 87, 34, 0.1), rgba(255, 87, 34, 0.1) 10px, transparent 10px, transparent 20px);
    animation: aurora-move 15s linear infinite;
    z-index: -1;
}
@keyframes aurora-move {
    from { transform: translateX(-50%); }
    to { transform: translateX(0); }
}
.header h1 {
    font-size: 3rem;
    color: #FFC107;
    text-shadow: 0 0 10px rgba(255, 152, 0, 0.8);
}
.section {
    padding: 40px 0;
    position: relative;
    z-index: 1;
}
.section:nth-child(even) {
    background: linear-gradient(to right, #001f3f, #000000);
}
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}
.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}
.image-grid img:hover {
    transform: scale(1.1);
}
.code-block {
    background: #1e1e1e;
    color: #FFC107;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.table-container {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #FFC107;
    padding: 10px;
    text-align: left;
}
th {
    background-color: #ff9800;
    color: #000;
}
.alert-box {
    background-color: #fff;
    border: 1px solid #ff9800;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
}
.alert-box p {
    color: #ff9800;
    font-weight: bold;
    margin: 0;
}
.button {
    background-color: #ff9800;
    color: #000;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.button:hover {
    background-color: #e65100;
    transform: scale(1.1);
}
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    .image-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}