.demo-container[data-v-04970652]{max-width:1200px;margin:0 auto;padding:30px}h1[data-v-04970652]{font-size:28px;color:#333;margin-bottom:20px;text-align:center}.description[data-v-04970652]{background-color:#f5f9ff;padding:15px;border-radius:6px;margin-bottom:30px}.demo-section[data-v-04970652]{margin-bottom:40px}.demo-section h2[data-v-04970652]{font-size:22px;color:#1890ff;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #e8e8e8}.custom-preview-container[data-v-04970652]{background-color:#f0f7ff;padding:20px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,.1)}.custom-preview-container[data-v-04970652] .attachment-preview-container{background-color:#fff;border-radius:10px}.custom-preview-container[data-v-04970652] .preview-title{color:#1890ff;font-size:20px}.custom-preview-container[data-v-04970652] .attachment-item{border:1px solid #e8e8e8}