/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局字体和背景 */
body {
    font-family: 'Roboto Mono', monospace;
    background: radial-gradient(circle, rgba(0, 0, 51, 0.9), transparent), url('https://images.gptkong.com/demo/sample12.png') no-repeat center center fixed;
    background-size: cover;
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
}

/* 渐变色按钮 */
.button-primary {
    background: linear-gradient(90deg, #00ff88, #a400ff);
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    color: #ffffff;
    cursor: pointer;
    border-radius: 5px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.button-primary:hover {
    transform: scale(1.05);
    background: linear-gradient(90deg, #a400ff, #00ff88);
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Futura', sans-serif;
    color: #00ff88;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5em;
    text-align: center;
    margin-top: 40px;
}

h2 {
    font-size: 2em;
    border-bottom: 2px solid #ffffff;
    padding-bottom: 10px;
}

h3 {
    font-size: 1.75em;
    margin-top: 30px;
    color: #a400ff;
}

/* 段落样式 */
p {
    font-size: 1em;
    margin-bottom: 20px;
    color: #e0e0e0;
}

/* 链接样式 */
a {
    color: #00ff88;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 代码块样式 */
pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 20px;
}

code {
    font-family: 'Courier New', Courier, monospace;
    color: #ffcc00;
    font-size: 0.95em;
}

/* 卡片式布局 */
.card {
    background: rgba(26, 26, 26, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* 网格布局 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.image-gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.image-gallery img:hover {
    transform: scale(1.05);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 51, 0.8);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.navbar a {
    margin-left: 20px;
    color: #ffffff;
    font-size: 1em;
}

.navbar a:hover {
    color: #00ff88;
}

/* 主内容区 */
.main-content {
    max-width: 1200px;
    margin: 100px auto 50px auto;
    padding: 20px;
}

/* 示例展示样式 */
.example-section {
    background: rgba(51, 0, 102, 0.9);
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
}

.example-section h2 {
    color: #ff6699;
}

.example-section pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 8px;
}

.example-section img {
    width: 100%;
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    body {
        padding: 15px;
    }

    h1 {
        font-size: 2.2em;
    }

    h2 {
        font-size: 1.8em;
    }

    .navbar {
        padding: 10px 20px;
    }
}

@media (max-width: 1200px) {
    .main-content {
        margin: 80px auto 40px auto;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.6em;
    }
}

@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    h1 {
        font-size: 1.8em;
    }

    .navbar a {
        font-size: 0.95em;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar a {
        margin: 10px 0;
    }

    .main-content {
        margin: 70px auto 30px auto;
    }

    h1 {
        font-size: 1.6em;
    }

    .grid-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 1.4em;
    }

    h2 {
        font-size: 1.4em;
    }

    p {
        font-size: 0.9em;
    }

    .button-primary {
        padding: 8px 16px;
        font-size: 14px;
    }

    .navbar {
        padding: 8px 15px;
    }
}

@media (max-width: 320px) {
    h1 {
        font-size: 1.2em;
    }

    h2 {
        font-size: 1.2em;
    }

    p {
        font-size: 0.8em;
    }

    .button-primary {
        padding: 6px 12px;
        font-size: 12px;
    }
}

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

.animated-background {
    animation: aurora-move 15s linear infinite;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 信息卡片 */
.info-card {
    background: rgba(51, 51, 51, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

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

/* 数据可视化容器 */
.chart-container {
    width: 100%;
    height: 400px;
    margin-bottom: 40px;
}

/* 指示文本 */
.reference-note {
    text-align: center;
    font-size: 1em;
    margin-top: 50px;
    color: #ffcc00;
}