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package main

import "fmt"

func main() {
    fmt.Println("Hello, Hugo Stack!")
}
<style>
    .highlight {
        /* 你可以根据需要调整这个高度 */
        max-height: 400px;
        overflow: hidden;
    }

    .code-show {
        max-height: none !important;
    }

    .code-more-box {
        width: 100%;
        padding-top: 78px;
        background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 0)), to(#fff));
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1;
    }

    .code-more-btn {
        display: block;
        margin: auto;
        width: 44px;
        height: 22px;
        background: #f0f0f5;
        border-top-left-radius: 8px;
        border-top-right-radius: 8px;
        padding-top: 6px;
        cursor: pointer;
    }

    .code-more-img {
        cursor: pointer !important;
        display: block;
        margin: auto;
        width: 22px;
        height: 16px;
    }
</style>

<script>
    function initCodeMoreBox() {
        let codeBlocks = document.querySelectorAll(".highlight");
        if (!codeBlocks) {
            return;
        }
        codeBlocks.forEach(codeBlock => {
            // 校验是否overflow
            if (codeBlock.scrollHeight <= codeBlock.clientHeight) {
                return;
            }
            // 元素初始化
            // codeMoreBox
            let codeMoreBox = document.createElement('div');
            codeMoreBox.classList.add('code-more-box');
            // codeMoreBtn
            let codeMoreBtn = document.createElement('span');
            codeMoreBtn.classList.add('code-more-btn');
            codeMoreBtn.addEventListener('click', () => {
                codeBlock.classList.add('code-show');
                codeMoreBox.style.display = 'none';
                // 触发resize事件，重新计算目录位置
                window.dispatchEvent(new Event('resize'))
            })
            // img
            let img = document.createElement('img');
            img.classList.add('code-more-img');
            img.src = {{ (resources.Get "icons/codeMore.png").Permalink }}
            // 元素添加
            codeMoreBtn.appendChild(img);
            codeMoreBox.appendChild(codeMoreBtn);
            codeBlock.appendChild(codeMoreBox)
        })
    }

    initCodeMoreBox();
</script>