/* 全局样式初始化 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0A192F, #6C5CE7);
    color: #F8FAFC;
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    color: #F8FAFC;
    text-align: center;
    margin-bottom: 20px;
}

p {
    font-family: 'Roboto Mono', monospace;
    color: #BDBDBD;
    font-size: 1rem;
    margin-bottom: 15px;
}

a {
    color: #34D399;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #6C5CE7;
}

/* 布局容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 卡片布局 */
.card {
    background-color: rgba(10, 25, 47, 0.8);
    border-radius: 10px;
    padding: 20px;
    margin: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease;
}

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

.card-title {
    font-size: 18px;
    color: #F8FAFC;
    margin-bottom: 10px;
}

.card-content {
    font-size: 14px;
    color: #BDBDBD;
}

/* 图片装饰 */
.image-decor {
    width: 100%;
    max-width: 320px;
    border-radius: 10px;
    margin: 20px 0;
    object-fit: cover;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* 按钮样式 */
.button {
    background: linear-gradient(135deg, #34D399, #6C5CE7);
    color: #0A192F;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.button:hover {
    background: linear-gradient(135deg, #6C5CE7, #34D399);
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1.5s ease-in-out;
}

/* 视差滚动效果 */
.parallax {
    height: 50vh;
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    margin: 40px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card {
        flex-direction: column;
    }

    h1, h2, h3, h4, h5, h6 {
        font-size: 1.5rem;
    }

    p {
        font-size: 0.9rem;
    }
}

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

    .container {
        padding: 10px;
    }

    .card {
        padding: 15px;
    }

    .image-decor {
        max-width: 250px;
    }
}

/* 示例展示区域 */
.example-showcase {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 40px 0;
    width: 100%;
    max-width: 800px;
}

.example-showcase pre {
    background: #0A192F;
    color: #F8FAFC;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
}

/* 提示文字 */
.notice {
    text-align: center;
    color: #34D399;
    font-size: 1rem;
    margin: 20px 0;
}