body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

.jumbotron {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.jumbotron:hover {
    transform: translateY(-5px);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

footer {
    margin-top: auto;
    width: 100%;
}

/* 页脚链接样式 */
.footer-link {
    color: #a0c4e2; /* 较浅的蓝色，与深色背景对比 */
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #ffffff; /* 悬停时变为白色 */
    text-decoration: none;
}

/* 备案号链接样式 */
.beian-link {
    color: #8bbef0; /* 主要的蓝色，更醒目 */
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.beian-link:hover {
    color: #e2f0ff; /* 悬停时变为明亮的浅蓝色 */
    text-decoration: none;
}

#apiResult {
    padding: 10px;
    border-radius: 5px;
    margin-top: 10px;
    display: none;
}

.alert {
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}