/* 项目展示页面样式 */
.projects-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

/* 项目分类导航 */
.project-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.project-nav button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    background-color: #f0f0f0;
    color: #666;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.project-nav button:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.project-nav button.active {
    background-color: #00a8ff;
    color: #fff;
}

/* 项目展示网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-details {
    color: #fff;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border: 2px solid #fff;
    border-radius: 25px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.view-details:hover {
    background-color: #fff;
    color: #000;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.project-type {
    color: #00a8ff;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-desc {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tags span {
    background-color: #f0f7ff;
    color: #0066cc;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* 项目详情弹窗 */
.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    margin: 2rem auto;
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    max-height: 90vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: #000;
}

.modal-body h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* 响应式布局 */
@media screen and (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .project-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .project-nav button {
        width: 100%;
    }

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

    .modal-content {
        width: 95%;
        margin: 1rem auto;
        padding: 1rem;
    }
}

/* 动画效果 */
.project-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }