/* 作品集分类页面样式 */
.portfolio-category-section {
    padding: 120px 0 60px;
    min-height: 100vh;
    background: var(--background-color);
    color: var(--text-color);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 动画背景效果 */
.portfolio-category-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(255,255,255,0.05) 0%,
        rgba(255,255,255,0.1) 25%,
        rgba(255,255,255,0.15) 50%,
        rgba(255,255,255,0.1) 75%,
        rgba(255,255,255,0.05) 100%
    );
    background-size: 200% 200%;
    animation: shine 8s linear infinite;
    z-index: -1;
}

@keyframes shine {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 200% 200%;
    }
}

.content-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

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

.portfolio-category-section p {
    font-size: 18px;
    margin-bottom: 60px;
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
}

/* 分类网格布局 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(400px, 1fr));
    gap: 80px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    justify-content: center;
    align-items: center;
}

/* 分类卡片样式 */
.category-card {
    position: relative;
    height: 600px;
    width: 100%;
    border-radius: 20px;
    overflow: visible;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 游戏设计卡片背景 */
.category-card.game-design {
    background-image: url('../photo/405/ShanHe.png');
}

/* 摄影作品卡片背景 */
.category-card.photography {
    background-image: url('../photo/405/LockOn_1.png');
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0.2) 0%,
        rgba(0,0,0,0.4) 50%,
        rgba(0,0,0,0.8) 100%
    );
    opacity: 0.7;
    transition: opacity 0.4s ease;
    border-radius: 20px;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.category-card:hover::before {
    opacity: 0.9;
}

.category-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    width: 120%;
    margin-left: -10%;
}

.category-content h3 {
    font-size: 36px;
    margin: 0;
    color: var(--text-color);
    transition: all 0.4s ease;
    text-align: right;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    background: rgba(0,0,0,0.6);
    padding: 10px 20px;
    border-radius: 10px;
    display: inline-block;
    margin-left: auto;
}

.category-card:hover .category-content h3 {
    transform: translateX(-10px);
    background: rgba(0,0,0,0.8);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.4s ease;
}

.category-icon i {
    font-size: 32px;
    color: var(--link-color);
    transition: all 0.4s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.1);
    background: rgba(255,255,255,0.2);
}

.category-card:hover .category-icon i {
    transform: scale(1.1);
}

.category-content p {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    transition: all 0.4s ease;
}

.category-stats {
    display: flex;
    gap: 20px;
    margin-top: auto;
}

.category-stats span {
    font-size: 14px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.4s ease;
}

.category-card:hover .category-stats span {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(2, minmax(350px, 1fr));
        max-width: 1000px;
        gap: 60px;
    }
    
    .category-card {
        height: 500px;
    }
    
    .category-content {
        width: 110%;
        margin-left: -5%;
    }
}

@media (max-width: 768px) {
    .portfolio-category-section {
        padding: 100px 0 40px;
    }
    
    .portfolio-category-section h2 {
        font-size: 28px;
    }
    
    .portfolio-category-section p {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 500px;
    }
    
    .category-card {
        height: 450px;
    }
    
    .category-content {
        width: 100%;
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .portfolio-category-section {
        padding: 80px 0 30px;
    }
    
    .portfolio-category-section h2 {
        font-size: 24px;
    }
    
    .portfolio-category-section p {
        font-size: 14px;
        margin-bottom: 30px;
    }
    
    .category-grid {
        max-width: 400px;
    }
    
    .category-card {
        height: 400px;
    }
    
    .category-content h3 {
        font-size: 28px;
    }
    
    .category-stats span {
        font-size: 12px;
        padding: 6px 12px;
    }
}