/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: #ffffff;
}

/* 容器 */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
header {
    text-align: center;
    padding: 50px 0;
    background: radial-gradient(circle, rgba(255,87,34,0.8), transparent);
    animation: aurora-move 15s linear infinite;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #FFC0CB;
}

header p {
    font-size: 1.2em;
    color: #98FB98;
}

/* 导航栏 */
nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1em;
    transition: color 0.3s;
}

nav a:hover {
    color: #FFC0CB;
}

/* 主要内容 */
main {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    flex: 1 1 300px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

.card h2 {
    color: #87CEEB;
    margin-bottom: 15px;
}

.card p {
    color: #ffffff;
}

/* 示例展示 */
.article {
    background: rgba(0, 0, 0, 0.5);
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
}

.article h2 {
    color: #FFC0CB;
    margin-bottom: 20px;
}

.article pre {
    background: #2a5298;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.article code {
    color: #98FB98;
    font-family: 'Courier New', Courier, monospace;
}

/* 图片样式 */
.images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.images img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    nav {
        flex-direction: column;
        gap: 15px;
    }
    .card {
        flex: 1 1 100%;
    }
}

@media (max-width: 480px) {
    header {
        padding: 30px 0;
    }
    header h1 {
        font-size: 1.5em;
    }
    nav a {
        font-size: 0.9em;
    }
    .article {
        padding: 20px;
    }
}

/* 动画效果 */
@keyframes aurora-move {
    0% { background: radial-gradient(circle, rgba(255,87,34,0.8), transparent); }
    50% { background: radial-gradient(circle, rgba(255,140,0,0.8), transparent); }
    100% { background: radial-gradient(circle, rgba(255,87,34,0.8), transparent); }
}

/* 按钮样式 */
button {
    background: #87CEEB;
    border: none;
    padding: 10px 20px;
    color: #ffffff;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s, background 0.3s;
}

button:hover {
    transform: scale(1.05);
    background: #FFC0CB;
}

/* 提示样式 */
.success-message {
    color: #32CD32;
    font-weight: bold;
}

.error-message {
    color: #FF4500;
    font-weight: bold;
}

/* 免责声明 */
.footer-note {
    text-align: center;
    margin-top: 50px;
    font-size: 0.9em;
    color: #98FB98;
}