body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #ff9a9e, #fad0c4, #fad0c4, #fbc2eb, #a1c4fd, #c2e9fb, #fbc2eb);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    max-width: 900px;
    margin: 60px auto;
    padding: 20px;
    backdrop-filter: blur(15px);
    background: rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    text-decoration: none;
    color: #333;
    transition: transform 0.2s;
}

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

.icon img {
    width: 32px;
    height: 32px;
    margin-right: 12px;
}

.info h2 {
    margin: 0;
    font-size: 1.1em;
}

.info p {
    margin: 4px 0 0;
    font-size: 0.9em;
    color: #555;
}

footer {
    text-align: center;
    padding: 15px;
    color: #666;
    font-size: 0.85em;
}

/* 新增备案号链接样式 */
footer a {
    color: #333; /* 与导航文字统一 */
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
    color: #555; /* 悬停时稍微变浅 */
}