{{% badge style="info" %}}New{{% /badge %}}
{{% badge style="note" %}}Change{{% /badge %}}
{{% badge style="tip" %}}Optional{{% /badge %}}
{{% badge style="warning" %}}Breaking{{% /badge %}}

{{% badge style="primary" icon="bullhorn" title="Announcement" %}}命令{{% /badge %}}
{{% badge style="secondary" icon="bullhorn" title="Announcement" %}}选项{{% /badge %}}
{{% badge style="accent" icon="bullhorn" title="Announcement" %}}专辑{{% /badge %}}

{{% badge style="blue" icon="palette" title="Color" %}}蓝色{{% /badge %}}
{{% badge style="green" icon="palette" title="Color" %}}绿色{{% /badge %}}
{{% badge style="grey" icon="palette" title="Color" %}}灰色{{% /badge %}}
{{% badge style="orange" icon="palette" title="Color" %}}橘色{{% /badge %}}
{{% badge style="red" icon="palette" title="Color" %}}红色{{% /badge %}}

{{% badge style="default" icon="palette" title="Color" %}}默认色{{% /badge %}}
{{% badge style="transparent" icon="palette" title="Color" %}}透明色{{% /badge %}}

{{% badge %}}6.6.6{{% /badge %}}
{{% badge style="info" icon=" " title=" " %}}Awesome{{% /badge %}}
{{% badge style="red" %}}Captain{{% /badge %}}

{{% badge title="Version" %}}6.6.6{{% /badge %}}
{{% badge style="info" icon=" " %}}Awesome{{% /badge %}}
{{% badge style="red" title="Rank" %}}Captain{{% /badge %}}

{{% badge icon="star" %}}6.6.6{{% /badge %}}
{{% badge style="info" title=" " %}}Awesome{{% /badge %}}
{{% badge style="red" icon="angle-double-up" %}}Captain{{% /badge %}}

{{% badge icon="star" title="Version" %}}6.6.6{{% /badge %}}
{{% badge style="info" %}}Awesome{{% /badge %}}
{{% badge style="red" icon="angle-double-up" title="Rank" %}}Captain{{% /badge %}}

{{% button href="https://gohugo.io/" style="info" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="note" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="tip" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="warning" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" style="primary" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="secondary" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="accent" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" style="blue" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="green" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="grey" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="orange" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="red" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" style="default" %}}Get Hugo{{% /button %}}
{{% button href="https://gohugo.io/" style="transparent" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" icon=" " %}}{{% /button %}}

{{% button href="https://gohugo.io/" icon="download" %}}{{% /button %}}

{{% button href="https://gohugo.io/" icon="download" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" icon="download" iconposition="right" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" icon="dragon" style="warning" %}}Get Hugo{{% /button %}}

{{% button href="https://gohugo.io/" target="_self" %}}Get Hugo in same window{{% /button %}}
{{% button href="https://gohugo.io/" %}}Get Hugo in new Window/Frame (default){{% /button %}}

{{% button href="https://gohugo.io/" color="fuchsia" icon="fab fa-hackerrank" %}}Get **Hugo**{{% /button %}}

{{% button href="https://gohugo.io/" style="tip" %}}{{% /button %}}

{{% button href="/index.html" %}}Home{{% /button %}}

{{% button style="primary" icon="bullhorn" href="javascript:alert('你好，世界！');this.blur();" %}}你好，世界！{{% /button %}}

[markup.goldmark.renderer]
    unsafe = true

<form action="../../search.html" method="get">
  <input name="search-by-detail" class="search-by" type="search">
  {{% button type="submit" style="secondary" icon="search" %}}搜索{{% /button %}}
</form>

{{% children  %}}

{{% children description="true" %}}

{{% children depth="999" showhidden="true" %}}

{{% children containerstyle="div" style="h2" depth="3" description="true" %}}

{{% children containerstyle="div" style="div" depth="3" %}}

{{% expand %}}Yes, you did it!{{% /expand %}}

{{% expand title="Expand me..." open="true" %}}No need to press you!{{% /expand %}}

{{% expand title="Show me almost **endless** possibilities" %}}
You can add standard markdown syntax:

- multiple paragraphs
- bullet point lists
- _emphasized_, **bold** and even **_bold emphasized_** text
- [links](https://example.com)
- etc.

```plaintext
...and even source code
```

> the possibilities are endless (almost - including other shortcodes may or may not work)
{{% /expand %}}

[markup]
  [markup.highlight]
    lineNumbersInTable = false
    noClasses = false

[params]
  highlightWrap = true

highlightWrap = true

{{< highlight lineNos="true" lineNoStart="666" type="py" >}}
# the hardest part is to start writing code; here's a kickstart; just copy and paste this; it's free; the next lines will cost you serious credits
print("Hello")
print(" ")
print("World")
print("!")
{{< /highlight >}}

666# the hardest part is to start writing code; here's a kickstart; just copy and paste this; it's free; the next lines will cost you serious credits
667print("Hello")
668print(" ")
669print("World")
670print("!")

```py { title="python" }
# a bit shorter
print("Hello World!")
```

{{< highlight type="py" wrap="true" hl_lines="2" >}}
# Quicksort Python One-liner
lambda L: [] if L==[] else qsort([x for x in L[1:] if x< L[0]]) + L[0:1] + qsort([x for x in L[1:] if x>=L[0]])
# Some more stuff
{{< /highlight >}}

# Quicksort Python One-liner
lambda L: [] if L==[] else qsort([x for x in L[1:] if x< L[0]]) + L[0:1] + qsort([x for x in L[1:] if x>=L[0]])
# Some more stuff

{{< highlight type="py" wrap="false" hl_lines="2" >}}
# Quicksort Python One-liner
lambda L: [] if L==[] else qsort([x for x in L[1:] if x< L[0]]) + L[0:1] + qsort([x for x in L[1:] if x>=L[0]])
# Some more stuff
{{< /highlight >}}

Built with {{% icon heart %}} by Relearn and Hugo

Built with <i class="fas fa-heart"></i> by Relearn and Hugo

[markup.goldmark.renderer]
    unsafe = true

{{% include "4_tools/1_theme/include_me.md" %}}

[params]
  mathJaxInitialize = "{ \"chtml\": { \"displayAlign\": \"left\" } }"

mathJaxInitialize = "{ \"chtml\": { \"displayAlign\": \"left\" } }"

如果果使用单个`$`作为公式周围的分隔符，则会生成内联数学: {{< math >}}$\sqrt{3}${{< /math >}}

如果将公式分隔为两个连续的`$$`公式，则会生成一个新块。

{{< math align="right" >}}
$$\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$$
{{< /math >}}

```math
$$\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$$
```

{{< math >}}
$$\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}$$
{{< /math >}}

[params]
  mermaidInitialize = "{ \"theme\": \"dark\" }"
  mermaidZoom = true

mermaidInitialize = "{ \"theme\": \"dark\" }"
mermaidZoom = true

{{< mermaid >}}
---
title: Example Diagram
---
graph LR;
    A[Hard edge] -->|Link text| B(Round edge)
    B --> C{<strong>Decision</strong>}
    C -->|One| D[Result one]
    C -->|Two| E[Result two]
{{< /mermaid >}}

{{< mermaid >}}
%%{init:{"fontFamily":"monospace", "sequence":{"showSequenceNumbers":true}}}%%
sequenceDiagram
    Alice->>John: Hello John, how are you?
    loop Healthcheck
        John->>John: Fight against hypochondria
    end
    Note right of John: Rational thoughts!
    John-->>Alice: Great!
    John->>Bob: How about you?
    Bob-->>John: Jolly good!
{{< /mermaid >}}

```mermaid
classDiagram
    Animal <|-- Duck
    Animal <|-- Fish
    Animal <|-- Zebra
    Animal : +int age
    Animal : +String gender
    Animal: +isMammal()
    Animal: +mate()
    class Duck{
      +String beakColor
      +swim()
      +quack()
    }
    class Fish{
      -int sizeInFeet
      -canEat()
    }
    class Zebra{
      +bool is_wild
      +run()
    }
```

{{< mermaid align="right" >}}
stateDiagram-v2
    open: Open Door
    closed: Closed Door
    locked: Locked Door
    open   --> closed: Close
    closed --> locked: Lock
    locked --> closed: Unlock
    closed --> open: Open
{{< /mermaid >}}

{{< mermaid >}}
%%{init:{"theme":"forest"}}%%
erDiagram
    CUSTOMER }|..|{ DELIVERY-ADDRESS : has
    CUSTOMER ||--o{ ORDER : places
    CUSTOMER ||--o{ INVOICE : "liable for"
    DELIVERY-ADDRESS ||--o{ ORDER : receives
    INVOICE ||--|{ ORDER : covers
    ORDER ||--|{ ORDER-ITEM : includes
    PRODUCT-CATEGORY ||--|{ PRODUCT : contains
    PRODUCT ||--o{ ORDER-ITEM : "ordered in"
{{< /mermaid >}}

{{< mermaid >}}
journey
    title My working day
    section Go to work
      Make tea: 5: Me
      Go upstairs: 3: Me
      Do work: 1: Me, Cat
    section Go home
      Go downstairs: 5: Me
      Sit down: 3: Me
{{< /mermaid >}}

{{< mermaid >}}
gantt
        dateFormat  YYYY-MM-DD
        title Adding GANTT diagram functionality to Mermaid
        section A section
        Completed task            :done,    des1, 2014-01-06,2014-01-08
        Active task               :active,  des2, 2014-01-09, 3d
        Future task               :         des3, after des2, 5d
        Future task2              :         des4, after des3, 5d
        section Critical tasks
        Completed task in the critical line :crit, done, 2014-01-06,24h
        Implement parser and jison          :crit, done, after des1, 2d
        Create tests for parser             :crit, active, 3d
        Future task in critical line        :crit, 5d
        Create tests for renderer           :2d
        Add to Mermaid                      :1d
{{< /mermaid >}}

{{< mermaid zoom="false" >}}
pie title Pets adopted by volunteers
    "Dogs" : 386
    "Cats" : 85
    "Rats" : 15
{{< /mermaid >}}

{{< mermaid >}}
pie title Pets adopted by volunteers
    title Reach and engagement of campaigns
    x-axis Low Reach --> High Reach
    y-axis Low Engagement --> High Engagement
    quadrant-1 We should expand
    quadrant-2 Need to promote
    quadrant-3 Re-evaluate
    quadrant-4 May be improved
    Campaign A: [0.3, 0.6]
    Campaign B: [0.45, 0.23]
    Campaign C: [0.57, 0.69]
    Campaign D: [0.78, 0.34]
    Campaign E: [0.40, 0.34]
    Campaign F: [0.35, 0.78]
{{< /mermaid >}}

{{< mermaid >}}
    requirementDiagram

    requirement test_req {
    id: 1
    text: the test text.
    risk: high
    verifymethod: test
    }

    element test_entity {
    type: simulation
    }

    test_entity - satisfies -> test_req
{{< /mermaid >}}

{{< mermaid >}}
gitGraph
    commit
    commit
    branch develop
    checkout develop
    commit
    commit
    checkout main
    merge develop
    commit
    commit
{{< /mermaid >}}

{{< mermaid >}}
C4Context
    title System Context diagram for Internet Banking System
    Enterprise_Boundary(b0, "BankBoundary0") {
    Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
    Person(customerB, "Banking Customer B")
    Person_Ext(customerC, "Banking Customer C", "desc")

    Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")

    System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")

    Enterprise_Boundary(b1, "BankBoundary") {

        SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")

        System_Boundary(b2, "BankBoundary2") {
        System(SystemA, "Banking System A")
        System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts. next line.")
        }

        System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
        SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")

        Boundary(b3, "BankBoundary3", "boundary") {
        SystemQueue(SystemF, "Banking System F Queue", "A system of the bank.")
        SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
        }
    }
    }

    BiRel(customerA, SystemAA, "Uses")
    BiRel(SystemAA, SystemE, "Uses")
    Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
    Rel(SystemC, customerA, "Sends e-mails to")

    UpdateElementStyle(customerA, $fontColor="red", $bgColor="grey", $borderColor="red")
    UpdateRelStyle(customerA, SystemAA, $textColor="blue", $lineColor="blue", $offsetX="5")
    UpdateRelStyle(SystemAA, SystemE, $textColor="blue", $lineColor="blue", $offsetY="-10")
    UpdateRelStyle(SystemAA, SystemC, $textColor="blue", $lineColor="blue", $offsetY="-40", $offsetX="-50")
    UpdateRelStyle(SystemC, customerA, $textColor="red", $lineColor="red", $offsetX="-50", $offsetY="20")

    UpdateLayoutConfig($c4ShapeInRow="3", $c4BoundaryInRow="1")
{{< /mermaid >}}

{{< mermaid >}}
mindmap
  root((mindmap))
    Origins
      Long history
      ::icon(fa fa-book)
      Popularisation
        British popular psychology author Tony Buzan
    Research
      On effectiveness<br/>and features
      On Automatic creation
        Uses
            Creative techniques
            Strategic planning
            Argument mapping
    Tools
      Pen and paper
      Mermaid
{{< /mermaid >}}

{{< mermaid >}}
timeline
    title History of Social Media Platform
    2002 : LinkedIn
    2004 : Facebook
         : Google
    2005 : Youtube
    2006 : Twitter
{{< /mermaid >}}

{{< mermaid >}}
sankey-beta

%% source,target,value
Electricity grid,Over generation / exports,104.453
Electricity grid,Heating and cooling - homes,113.726
Electricity grid,H2 conversion,27.14
{{< /mermaid >}}

{{< mermaid >}}
xychart-beta
    title "Sales Revenue"
    x-axis [jan, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec]
    y-axis "Revenue (in $)" 4000 --> 11000
    bar [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]
    line [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]
{{< /mermaid >}}

{{< mermaid >}}
block-beta
columns 1
  db(("DB"))
  blockArrowId6<["&nbsp;&nbsp;&nbsp;"]>(down)
  block:ID
    A
    B["A wide one in the middle"]
    C
  end
  space
  D
  ID --> D
  C --> D
  style B fill:#969,stroke:#333,stroke-width:4px
{{< /mermaid >}}

{{% notice style="info" %}}
An **information** disclaimer

You can add standard markdown syntax:

- multiple paragraphs
- bullet point lists
- _emphasized_, **bold** and even ***bold emphasized*** text
- [links](https://example.com)
- etc.

```plaintext
...and even source code
```

> the possibilities are endless (almost - including other shortcodes may or may not work)
{{% /notice %}}

{{% notice style="note" %}}
A **notice** disclaimer
{{% /notice %}}

{{% notice style="tip" %}}
A **tip** disclaimer
{{% /notice %}}

{{% notice style="warning" %}}
A **warning** disclaimer
{{% /notice %}}

{{% notice style="warning" title="Here are dragons" icon="dragon" %}}
A **warning** disclaimer
{{% /notice %}}

{{% notice style="warning" title=" " icon=" " %}}
A **warning** disclaimer
{{% /notice %}}

{{% notice style="primary" title="Primary" %}}
A **primary** disclaimer
{{% /notice %}}

{{% notice style="secondary" icon="stopwatch" %}}
A **secondary** disclaimer
{{% /notice %}}

{{% notice style="accent" %}}
An **accent** disclaimer
{{% /notice %}}

{{% notice style="blue" %}}
A **blue** disclaimer
{{% /notice %}}

{{% notice style="green" title="Green" %}}
A **green** disclaimer
{{% /notice %}}

{{% notice style="grey" icon="bug" %}}
A **grey** disclaimer
{{% /notice %}}

{{% notice style="orange" title="Orange" icon="bug" %}}
A **orange** disclaimer
{{% /notice %}}

{{% notice style="red" %}}
A **red** disclaimer
{{% /notice %}}

{{% notice default "Pay Attention to this Note!" "skull-crossbones" %}}
Some serious information.
{{% /notice %}}

{{% notice style="transparent" title="Pay Attention to this Note!" icon="skull-crossbones" %}}
Some serious information.
{{% /notice %}}

{{% notice color="fuchsia" title="**Hugo**" icon="fab fa-hackerrank" %}}
Victor? Is it you?
{{% /notice %}}

`editURL` value: {{% siteparam name="editURL" %}}

[markup.goldmark.renderer]
  unsafe = true

[params]
  [params.siteparam.test]
    text = "A **nested** parameter <b>with</b> formatting"

Formatted parameter: {{% siteparam name="siteparam.test.text" %}}

{{% tab title="Code" %}}
```python
printf("Hello World!");
```
{{% /tab %}}

{{% tab title="_**Mixed**_" %}}
选项卡不仅可以包含代码，还可以包含任意文本。在这种情况下，文本和代码将获得边距。
```python
printf("Hello World!");
```
{{% /tab %}}

{{< tabs >}}
{{% tab title="just colored style" style="blue" %}}
The `style` parameter is set to a color style.

This will set the background to a lighter version of the chosen style color as configured in your theme variant.
{{% /tab %}}
{{% tab title="just color" color="blue" %}}
Only the `color` parameter is set.

This will set the background to a lighter version of the chosen CSS color value.
{{% /tab %}}
{{% tab title="default style and color" style="default" color="blue" %}}
The `style` parameter affects how the `color` parameter is applied.

The `default` style will set the background to your `--MAIN-BG-color` as configured for your theme variant resembling the default style but with different color.
{{% /tab %}}
{{% tab title="just severity style" style="info" %}}
The `style` parameter is set to a severity style.

This will set the background to a lighter version of the chosen style color as configured in your theme variant and also affects the chosen icon.
{{% /tab %}}
{{% tab title="severity style and color" style="info" color="blue" %}}
The `style` parameter affects how the `color` parameter is applied.

This will set the background to a lighter version of the chosen CSS color value and also affects the chosen icon.
{{% /tab %}}
{{< /tabs >}}

{{< tabs groupid="main" style="primary" title="Rationale" icon="thumbtack" >}}
{{< tab title="Text" >}}
  Simple text is possible here...
  {{< tabs groupid="tabs-example-language" >}}
  {{% tab title="python" %}}
  Python is **super** easy.

  - most of the time.
  - if you don't want to output unicode
  {{% /tab %}}
  {{% tab title="bash" %}}
  Bash is for **hackers**.
  {{% /tab %}}
  {{< /tabs >}}
{{< /tab >}}

{{< tab title="Code" style="default" color="darkorchid" >}}
  ...but no markdown
  {{< tabs groupid="tabs-example-language" >}}
  {{% tab title="python" %}}
  ```python
  print("Hello World!")
  ```
  {{% /tab %}}
  {{% tab title="bash" %}}
  ```bash
  echo "Hello World!"
  ```
  {{% /tab %}}
  {{< /tabs >}}
{{< /tab >}}
{{< /tabs >}}