/* 基本样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 设定字体和基本颜色 */
body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #000046, #1cb5e0);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(26, 26, 26, 0.8);
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    margin-bottom: 40px;
}

.navbar .logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5em;
    font-weight: bold;
    color: #1cb5e0;
    text-decoration: none;
}

.navbar .nav-links a {
    margin-left: 20px;
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}

.navbar .nav-links a:hover {
    color: #ff6f61;
    transform: scale(1.1);
}

/* 主标题样式 */
.header {
    text-align: center;
    padding: 100px 0;
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3em;
    margin-bottom: 20px;
    color: #ff6f61;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

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

/* 模块化布局 */
.section {
    margin: 60px 0;
}

.section h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #1cb5e0;
    border-bottom: 2px solid #ff6f61;
    display: inline-block;
}

.section .content {
    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 8px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, background 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
    color: #ff6f61;
    font-family: 'Montserrat', sans-serif;
}

.card p {
    font-size: 1em;
    color: #ffffffcc;
}

.card .tags {
    margin-top: 10px;
}

.card .tags span {
    background: #1cb5e0;
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    margin-right: 5px;
}

/* 示例展示样式 */
.sample-display {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    margin-top: 40px;
}

.sample-display h2 {
    color: #ff6f61;
    margin-bottom: 20px;
}

.sample-display article {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
}

.sample-display pre {
    background: #1a1a1a;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.sample-display code {
    color: #1cb5e0;
    font-family: 'Courier New', Courier, monospace;
}

/* 底部样式 */
.footer {
    text-align: center;
    padding: 20px 0;
    background: rgba(26, 26, 26, 0.8);
    border-top: 2px solid #1cb5e0;
    color: #fff;
    font-size: 0.9em;
}

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

/* 响应式设计 */
@media (max-width: 1440px) {
    .header h1 {
        font-size: 2.5em;
    }
}

@media (max-width: 1200px) {
    .navbar {
        padding: 10px 20px;
    }

    .navbar .nav-links a {
        margin-left: 15px;
    }

    .card {
        flex: 1 1 45%;
    }
}

@media (max-width: 1024px) {
    .header {
        padding: 80px 0;
    }

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

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

    .navbar .nav-links {
        margin-top: 10px;
    }

    .header {
        padding: 60px 0;
    }

    .section .content {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2em;
    }

    .navbar .logo {
        font-size: 1.2em;
    }

    .card {
        padding: 15px;
    }

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

@media (max-width: 320px) {
    .header h1 {
        font-size: 1.5em;
    }

    .navbar {
        padding: 8px 15px;
    }

    .navbar .nav-links a {
        margin-left: 10px;
        font-size: 0.9em;
    }

    .card h3 {
        font-size: 1.1em;
    }
}

/* 图片动画效果 */
.image-animate {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* 链接无follow样式 */
a {
    color: #1cb5e0;
    text-decoration: none;
}

a[rel="nofollow"] {
    /* 无需额外样式 */
}

/* 代码块样式 */
.code-block {
    background: #1a1a1a;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 20px 0;
}

.code-block code {
    color: #1cb5e0;
    font-family: 'Courier New', Courier, monospace;
}

/* 提示信息样式 */
.reference-note {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-left: 4px solid #ff6f61;
    margin: 20px 0;
    border-radius: 5px;
    font-style: italic;
}