/* 照片作品集页面样式 */
.portfolio-photo-section {
    padding: 120px 0 60px;
    min-height: 100vh;
    background: transparent;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

.content-container {
    background: transparent;
}

/* 页面标题样式 */
.portfolio-header {
    text-align: center;
    margin-bottom: 60px;
}

.portfolio-header h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-color);
    position: relative;
    display: inline-block;
}

.portfolio-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--link-color);
    border-radius: 2px;
}

.portfolio-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 作品网格布局 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    background: transparent;
}

/* 作品卡片样式 */
.portfolio-card {
    background: transparent;
    border-radius: 20px;
    overflow: visible;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    perspective: 1500px;
    transform-style: preserve-3d;
}

.portfolio-card:hover {
    transform: translateY(-15px) rotateX(10deg) rotateY(10deg);
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 15px 20px rgba(0,0,0,0.2);
}

.card-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-card:hover .card-image::before {
    opacity: 1;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .card-image img {
    transform: scale(1.1) translateZ(20px);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.8) 50%, rgba(0,0,0,0) 100%);
    color: white;
    transform: translateY(20px) translateZ(10px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.portfolio-card:hover .card-content {
    transform: translateY(0) translateZ(30px);
    opacity: 1;
}

.card-content h4 {
    font-size: 28px;
    margin-bottom: 15px;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* 软件图标样式 */
.software-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.software-icon {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.software-icon:hover {
    transform: scale(1.1);
}

.software-icon img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

/* 项目标签样式 */
.project-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
    position: relative;
    z-index: 3;
    transform: translateZ(40px);
}

.project-tag {
    padding: 6px 15px;
    background: rgba(255, 255, 255, 0.95);
    color: #000;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    backdrop-filter: blur(5px);
}

.project-tag:hover {
    background: var(--link-color);
    color: white;
    transform: translateY(-2px) translateZ(50px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

/* 图片查看器样式 */
.photo-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-viewer.active {
    display: flex;
    opacity: 1;
}

.viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
    transition: transform 0.3s ease;
}

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

.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 24px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.main-image-container {
    width: 90%;
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.thumbnail-container {
    width: 100%;
    height: 100px;
    position: absolute;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 0;
    overflow-x: auto;
    display: flex;
    align-items: center;
}

.thumbnails {
    display: flex;
    gap: 10px;
    padding: 0 20px;
    height: 100%;
}

.thumbnail {
    height: 80px;
    width: 120px;
    border-radius: 5px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.thumbnail:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.thumbnail.active {
    opacity: 1;
    border: 2px solid var(--link-color);
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 1200px;
        gap: 60px;
    }
    
    .card-image {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .portfolio-photo-section {
        padding: 100px 0 40px;
    }
    
    .portfolio-header h2 {
        font-size: 28px;
    }
    
    .portfolio-header p {
        font-size: 16px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        gap: 40px;
    }
    
    .card-image {
        height: 300px;
    }
    
    .card-content h4 {
        font-size: 24px;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .thumbnail {
        height: 60px;
        width: 90px;
    }
}

@media (max-width: 480px) {
    .portfolio-photo-section {
        padding: 80px 0 30px;
    }
    
    .portfolio-header h2 {
        font-size: 24px;
    }
    
    .portfolio-header p {
        font-size: 14px;
    }
    
    .portfolio-grid {
        max-width: 400px;
        gap: 30px;
    }
    
    .card-image {
        height: 250px;
    }
    
    .card-content h4 {
        font-size: 20px;
    }
    
    .project-tag {
        font-size: 12px;
        padding: 4px 10px;
    }
    
    .software-icon {
        width: 30px;
        height: 30px;
    }
    
    .software-icon img {
        width: 18px;
        height: 18px;
    }
    
    .nav-btn {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .thumbnail {
        height: 50px;
        width: 75px;
    }
}