.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 0;
    line-height: 1.6;
}

/* 上传区域样式 */
.upload-container {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,.05);
}

.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 4px;
    padding: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.05);
}

.upload-area.dragover {
    border-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.1);
}

/* 裁剪区域样式 */
.crop-container {
    max-height: 600px;
    background-color: #f8f9fa;
    overflow: hidden;
}

.crop-container img {
    max-width: 100%;
    display: block;
}

/* 控制面板样式 */
.btn-group .btn {
    padding: 0.375rem 0.5rem;
}

.btn-group .btn i {
    font-size: 1.1rem;
}

/* 导航样式 */
.image-navigation {
    margin-top: 1.5rem;
}

#imageCounter {
    min-width: 60px;
    text-align: center;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .crop-container {
        max-height: 400px;
    }
    
    .btn-group .btn {
        padding: 0.25rem 0.4rem;
    }
} 

/* 进度条样式 */
.progress-section {
    transition: opacity 0.3s ease;
}

.progress-section.d-none {
    opacity: 0;
}

.progress {
    height: 0.6rem;
    border-radius: 0.25rem;
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    background-color: #0d6efd;
    transition: width 0.3s ease;
}

#progressText {
    font-size: 0.85rem;
}

#progressText .badge {
    font-weight: normal;
    padding: 0.5em 1em;
}

/* 添加进度条动画效果 */
.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

.progress-bar-striped {
    background-image: linear-gradient(45deg, 
        rgba(255,255,255,.15) 25%, 
        transparent 25%, 
        transparent 50%, 
        rgba(255,255,255,.15) 50%, 
        rgba(255,255,255,.15) 75%, 
        transparent 75%, 
        transparent);
    background-size: 1rem 1rem;
}