/* 基础样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #A8C0FF, #F5F7FA);
    color: #333;
    line-height: 1.6;
}

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

/* 头部样式 */
header {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    margin: 20px 0;
}

header h1 {
    font-family: 'Helvetica', sans-serif;
    font-size: 2.5em;
    color: #B36FFF;
}

header p {
    font-size: 1.2em;
    color: #555;
}

/* 导航菜单 */
nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
}

nav a {
    text-decoration: none;
    color: #FF7F50;
    font-weight: bold;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background 0.3s ease, color 0.3s ease;
}

nav a:hover {
    background: rgba(179, 111, 255, 0.2);
    color: #A8C0FF;
}

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

.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    flex: 1 1 calc(50% - 40px);
    min-width: 300px;
    transition: transform 0.3s ease;
}

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

.card img {
    width: 100%;
    border-radius: 5px;
    margin-bottom: 15px;
}

.card h2 {
    font-family: 'Helvetica', sans-serif;
    color: #FF7F50;
    margin-bottom: 10px;
}

.card p {
    color: #555;
}

/* 示例展示区 */
.sample-display {
    background: rgba(245, 247, 250, 0.8);
    border: 2px dashed #B36FFF;
    border-radius: 10px;
    padding: 20px;
    margin: 40px 0;
}

.sample-display h2 {
    color: #A8C0FF;
    margin-bottom: 15px;
}

.sample-display article {
    max-height: 600px;
    overflow-y: auto;
    padding-right: 10px;
}

.sample-display pre {
    background: #333;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

.sample-display code {
    font-family: 'Courier New', Courier, monospace;
}

/* 按钮样式 */
.button {
    display: inline-block;
    padding: 10px 20px;
    background: #B36FFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.button:hover {
    background: #A8C0FF;
}

/* 脚注样式 */
footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.05);
    color: #888;
    margin-top: 40px;
}

/* 动画效果 */
@keyframes aurora-move {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero-section {
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    padding: 100px 0;
    text-align: center;
    color: #fff;
}

.hero-section h2 {
    font-size: 3em;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 1.5em;
    max-width: 800px;
    margin: 0 auto;
}

/* 响应式媒体查询 */
@media (max-width: 1440px) {
    header h1 {
        font-size: 2.2em;
    }
}

@media (max-width: 1200px) {
    .main-content {
        flex-direction: column;
    }
}

@media (max-width: 1024px) {
    nav {
        flex-direction: column;
        gap: 10px;
    }

    .card {
        flex: 1 1 100%;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 70px 0;
    }

    header h1 {
        font-size: 2em;
    }

    nav a {
        padding: 8px 12px;
        font-size: 0.9em;
    }

    .card h2 {
        font-size: 1.5em;
    }

    .sample-display {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .hero-section h2 {
        font-size: 2em;
    }

    .hero-section p {
        font-size: 1.2em;
    }

    header h1 {
        font-size: 1.8em;
    }

    nav a {
        padding: 6px 10px;
        font-size: 0.8em;
    }

    .card {
        padding: 15px;
    }
}

@media (max-width: 320px) {
    .hero-section {
        padding: 50px 0;
    }

    .hero-section h2 {
        font-size: 1.5em;
    }

    .hero-section p {
        font-size: 1em;
    }

    header h1 {
        font-size: 1.5em;
    }

    nav a {
        padding: 5px 8px;
        font-size: 0.7em;
    }

    .card {
        padding: 10px;
    }
}