.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;
}

/* 继承通用上传区域样式 */
.upload-container {
    border-radius: 8px;
}

.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);
}

/* 预览容器样式 */
.preview-box {
    min-height: 300px;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    border-radius: 0.25rem;
}

.preview-box img {
    max-height: 300px;
    object-fit: contain;
    border-radius: 4px;
}

/* 使用说明样式 */
.alert-info {
    background-color: rgba(13, 110, 253, 0.05);
    border-color: rgba(13, 110, 253, 0.1);
}

.alert-info .alert-heading {
    color: #0d6efd;
}

.alert-info hr {
    border-top-color: rgba(13, 110, 253, 0.1);
}

.alert ul {
    margin-bottom: 0;
}

.alert li {
    line-height: 1.5;
}

.alert li.text-primary {
    color: #0d6efd;
}