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

body, html {
    width: 100%;
    height: 100%;
    font-family: 'Roboto', sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #2c3e50, #4ca1af);
    color: #ecf0f1;
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* 全局容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* 顶部提示 */
.header-tip {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    padding: 10px 20px;
    border-radius: 20px;
    z-index: 1000;
    font-size: 14px;
    letter-spacing: 1px;
    animation: fadeIn 2s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 玻璃效果卡片 */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* 导航栏 */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    z-index: 1000;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #fff;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #f39c12;
}

/* 图片展示 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.image-item {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease;
}

.image-item img {
    width: 100%;
    height: auto;
    display: block;
}

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

/* 按钮样式 */
.gradient-btn {
    background: linear-gradient(90deg, #ff7e5f, #feb47b);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gradient-btn:hover {
    transform: scale(1.1);
}

/* 示例文章样式 */
.article-container {
    grid-column: span 2;
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
}

.article-container h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

.article-container h3 {
    font-size: 20px;
    margin-top: 20px;
}

.article-container pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
    overflow-x: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    .article-container {
        grid-column: span 1;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
    animation: fadeInUp 1s ease-in-out;
}

/* 加载动画 */
.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    margin: 20px auto;
    display: none;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}