/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 头部样式 */
.site-header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.site-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* 导航样式 */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: #495057;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: #3498db;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #3498db;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
}

/* 主要内容区域 */
.site-main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* 软件截图展示 */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.screenshot-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

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

.screenshot-content {
    padding: 1.5rem;
}

.screenshot-content h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.screenshot-content p {
    color: #666;
    font-size: 1rem;
}

/* 页面标题 */
.page-title {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
}

/* 关于我们页面 */
.about-content {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 页脚样式 */
.site-footer {
    background: #fff;
    padding: 1.5rem 0;
    text-align: center;
    color: #666;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}

/* 下载区域样式 */
.download-section {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
    margin: 2rem 0;
}

.download-button {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(52, 152, 219, 0.2);
}

.download-button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.download-button i {
    margin-right: 8px;
}

.download-info {
    margin-top: 1rem;
    color: #666;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-title {
        text-align: center;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

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