# Sandbox 語法沙盒試驗區

## Section 1
lalala this is a test

==Highlight測試==

Super^script^
Sub~script~

## Section 2
table test below
Infection | Common S/S | Unique S/S |
-------------------- | ------------------------- | --------------------- |
Toxoplasma | chorioretinitis, blueberry muffin rash | **hydrocephalus**, intracranial calcification |
CMV | Chorioretinitis, blueberry muffin rash, jaundice | **hearing loss**, seizure, **periventricular calcification**, microcephaly, **petechiae**, **hepatosplenomegaly** |
Rubella | Blueberry muffin rash | deafness, **PDA, cataract**, asymmetric or absent red reflex |
Syphilis | Blueberry muffin rash, jaundice, hepatosplenomegaly, growth restriction | **Serosanguinous rhinorrhea, maculopapular rash desquamating or bullous**, abnormal long bone radiograph |

## Section 3
Mermaid flowchart test below

graph TB
    A -->B
    A -->C
    B -->D
    C -->D

graph TD 
    A[Christmas] -->|Get money| B(Go shopping) 
    B --> C{Let me think} 
    C -->|One| D[Laptop] 
    C -->|Two| E[iPhone] 
    C -->|Three| F[fa:fa-car Car] 
    F --> B

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## Section 4

pie
title pie chart
"Joplin": 42.96
"Qdown": 50.05
" 黑科技": 10.01
"其它": 5

title LightZhan创作，允许规范转载（http://lightzhan.xyz）

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## Section 5
圖片測試
Cute doraemon hat cat

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## Section 6
LaTeX math expression

$$
f(x) = \int_{-\infty}^\infty
\hat f(\xi)\,e^{2 \pi i \xi x}
\,d\xi
$$