/* 基础重置 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 0 20px;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 10px;
}

.en-title {
    display: block;
    font-size: 1.8rem;
    font-weight: 400;
    color: #555;
    margin-top: 8px;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
}

.en-subtitle {
    display: block;
    font-size: 1rem;
    color: #777;
    margin-top: 5px;
}

/* 主要内容区域 */
.main-content {
    flex: 1;
    margin-bottom: 40px;
}

/* 卡片容器 */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 0 auto;
}

/* 卡片样式 */
.card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.card-content {
    padding: 20px;
}

.card-content h2 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.en-card-title {
    display: block;
    font-size: 1rem;
    font-weight: 400;
    color: #555;
    margin-top: 5px;
}

.card-content p {
    color: #666;
    font-size: 0.95rem;
}

.en-card-desc {
    display: block;
    font-size: 0.85rem;
    color: #777;
    margin-top: 5px;
}

/* 待开发卡片样式 */
.coming-soon {
    opacity: 0.8;
}

.coming-soon:hover {
    transform: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.coming-soon::after {
    content: "开发中 / Coming Soon";
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid #eaeaea;
}

.footer-content {
    color: #666;
    font-size: 0.9rem;
}

.en-footer {
    display: inline-block;
    margin-left: 10px;
    color: #777;
}

.beian {
    margin-top: 10px;
    font-size: 0.8rem;
    color: #999;
}

.en-beian {
    display: inline-block;
    margin-left: 10px;
    color: #aaa;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .en-title {
        font-size: 1.4rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .en-subtitle {
        font-size: 0.9rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
}