第一种

<!-- 灯笼代码 -->
<div class="deng-box2">
    <div class="deng">
        <div class="xian">
        </div>
        <div class="deng-a">
            <div class="deng-b">
                <div class="deng-t">快</div>
            </div>
        </div>
        <div class="shui shui-a">
            <div class="shui-c">
            </div>
            <div class="shui-b"></div>
        </div>
    </div>
</div>
<div class="deng-box3">
    <div class="deng">
        <div class="xian">
        </div>
        <div class="deng-a">
            <div class="deng-b">
                <div class="deng-t">新</div>
            </div>
        </div>
        <div class="shui shui-a">
            <div class="shui-c"></div>
            <div class="shui-b">
            </div>
        </div>
    </div>
</div>
<div class="deng-box1">
    <div class="deng">
        <div class="xian">
        </div>
        <div class="deng-a">
            <div class="deng-b">
                <div class="deng-t">乐</div>
            </div>
        </div>
        <div class="shui shui-a">
            <div class="shui-c"></div>
            <div class="shui-b"></div>
        </div>
    </div>
</div>
<div class="deng-box">
    <div class="deng">
        <div class="xian">
        </div>
        <div class="deng-a">
            <div class="deng-b">
                <div class="deng-t">年</div>
            </div>
        </div>
        <div class="shui shui-a">
            <div class="shui-c">
            </div>
            <div class="shui-b"></div>
        </div>
    </div>
</div>
<style type="text/css">
    .deng-box {
        position: fixed;
        top: -40px;
        right: 150px;
        z-index: 9999;
        pointer-events: none;
    }
    .deng-box1 {
        position: fixed;
        top: -30px;
        right: 10px;
        z-index: 9999;
        pointer-events: none
    }
    .deng-box2 {
        position: fixed;
        top: -40px;
        left: 150px;
        z-index: 9999;
        pointer-events: none
    }
    .deng-box3 {
        position: fixed;
        top: -30px;
        left: 10px;
        z-index: 9999;
        pointer-events: none
    }
    .deng-box1 .deng,
    .deng-box3 .deng {
        position: relative;
        width: 120px;
        height: 90px;
        margin: 50px;
        background: #d8000f;
        background: rgba(216, 0, 15, .8);
        border-radius: 50% 50%;
        -webkit-transform-origin: 50% -100px;
        -webkit-animation: swing 5s infinite ease-in-out;
        box-shadow: -5px 5px 30px 4px #fc903d
    }
    .deng {
        position: relative;
        width: 120px;
        height: 90px;
        margin: 50px;
        background: #d8000f;
        background: rgba(216, 0, 15, .8);
        border-radius: 50% 50%;
        -webkit-transform-origin: 50% -100px;
        -webkit-animation: swing 3s infinite ease-in-out;
        box-shadow: -5px 5px 50px 4px #fa6c00
    }
    .deng-a {
        width: 100px;
        height: 90px;
        background: #d8000f;
        background: rgba(216, 0, 15, .1);
        margin: 12px 8px 8px 8px;
        border-radius: 50% 50%;
        border: 2px solid #dc8f03
    }
    .deng-b {
        width: 45px;
        height: 90px;
        background: #d8000f;
        background: rgba(216, 0, 15, .1);
        margin: -4px 8px 8px 26px;
        border-radius: 50% 50%;
        border: 2px solid #dc8f03
    }
    .xian {
        position: absolute;
        top: -20px;
        left: 60px;
        width: 2px;
        height: 20px;
        background: #dc8f03
    }
    .shui-a {
        position: relative;
        width: 5px;
        height: 20px;
        margin: -5px 0 0 59px;
        -webkit-animation: swing 4s infinite ease-in-out;
        -webkit-transform-origin: 50% -45px;
        background: orange;
        border-radius: 0 0 5px 5px
    }
    .shui-b {
        position: absolute;
        top: 14px;
        left: -2px;
        width: 10px;
        height: 10px;
        background: #dc8f03;
        border-radius: 50%
    }
    .shui-c {
        position: absolute;
        top: 18px;
        left: -2px;
        width: 10px;
        height: 35px;
        background: orange;
        border-radius: 0 0 0 5px
    }
    .deng:before {
        position: absolute;
        top: -7px;
        left: 29px;
        height: 12px;
        width: 60px;
        content: " ";
        display: block;
        z-index: 999;
        border-radius: 5px 5px 0 0;
        border: solid 1px #dc8f03;
        background: orange;
        background: linear-gradient(to right, #dc8f03, orange, #dc8f03, orange, #dc8f03)
    }
    .deng:after {
        position: absolute;
        bottom: -7px;
        left: 10px;
        height: 12px;
        width: 60px;
        content: " ";
        display: block;
        margin-left: 20px;
        border-radius: 0 0 5px 5px;
        border: solid 1px #dc8f03;
        background: orange;
        background: linear-gradient(to right, #dc8f03, orange, #dc8f03, orange, #dc8f03)
    }
    .deng-t {
        font-family: 黑体, Arial, Lucida Grande, Tahoma, sans-serif;
        font-size: 3.2rem;
        color: #dc8f03;
        font-weight: 700;
        line-height: 85px;
        text-align: center
    }
    .night .deng-box,
    .night .deng-box1,
    .night .deng-t {
        background: 0 0 !important
    }
    @-moz-keyframes swing {
        0% {
            -moz-transform: rotate(-10deg)
        }
        50% {
            -moz-transform: rotate(10deg)
        }
        100% {
            -moz-transform: rotate(-10deg)
        }
    }
    @-webkit-keyframes swing {
        0% {
            -webkit-transform: rotate(-10deg)
        }
        50% {
            -webkit-transform: rotate(10deg)
        }
        100% {
            -webkit-transform: rotate(-10deg)
        }
    }
</style>

第一种有点大，可能会遮挡，下面给出第二种，小一点不会遮挡。第二种是js，放在body之内。

第二种

<script>
 // 创建并添加元素
function createDengContainer() {
    const container = document.createElement('div');
    container.className = 'deng-container';

    // 从当前脚本的 URL 获取参数
    const scriptSrc = document.currentScript.src;
    const urlParams = new URLSearchParams(scriptSrc.split('?')[1]); // 获取 '?'
    const customText = urlParams.get('text'); // 获取参数名为'text'的值

    // 将获取的文本分割为字符数组，如果没有提供文本，则使用默认的“新年快乐”
    const texts = customText ? customText.split('') : ['新', '年', '快', '乐'];

    texts.forEach((text, index) => {
        const box = document.createElement('div');
        box.className = `deng-box deng-box${index + 1}`;

        const deng = document.createElement('div');
        deng.className = 'deng';

        const xian = document.createElement('div');
        xian.className = 'xian';

        const dengA = document.createElement('div');
        dengA.className = 'deng-a';

        const dengB = document.createElement('div');
        dengB.className = 'deng-b';

        const dengT = document.createElement('div');
        dengT.className = 'deng-t';
        dengT.textContent = text;

        dengB.appendChild(dengT);
        dengA.appendChild(dengB);
        deng.appendChild(xian);
        deng.appendChild(dengA);

        const shuiA = document.createElement('div');
        shuiA.className = 'shui shui-a';

        const shuiC = document.createElement('div');
        shuiC.className = 'shui-c';
        const shuiB = document.createElement('div');
        shuiB.className = 'shui-b';

        shuiA.appendChild(shuiC);
        shuiA.appendChild(shuiB);
        deng.appendChild(shuiA);
        box.appendChild(deng);
        container.appendChild(box);
    });

    document.body.appendChild(container);
}

// 添加CSS样式
function addStyles() {
    const style = document.createElement('style');
    style.type = 'text/css';
    style.textContent = `
        .deng-container {
            position: relative;
            top: 10px;
            opacity: 0.9;
            z-index: 9999;
            pointer-events: none;
        }
        .deng-box {
            position: fixed;
            right: 10px;
            top: 12px;
        }
        .deng-box1 { position: fixed; top: 15px; left: 20px; }
        .deng-box2 { position: fixed; top: 12px; left: 130px; }
        .deng-box3 { position: fixed; top: 10px; right: 110px; }
        .deng {
            position: relative;
            width: 120px;
            height: 90px;
            background: rgba(216, 0, 15, .8);
            border-radius: 50% 50%;
            animation: swing 3s infinite ease-in-out;
            box-shadow: -5px 5px 50px 4px #fa6c00;
        }
        .deng-a { 
            width: 100px; 
            height: 90px; 
            background: rgba(216, 0, 15, .1); 
            border-radius: 50%;  
            border: 2px solid #dc8f03; 
            margin-left: 7px; 
            display: flex; 
            justify-content: center; 
        }
        .deng-b { 
            width: 65px; 
            height: 83px; 
            background: rgba(216, 0, 15, .1); 
            border-radius: 60%; 
            border: 2px solid #dc8f03; 
        }
        .xian { 
            position: absolute; 
            top: -20px; 
            left: 60px; 
            width: 2px; 
            height: 20px; 
            background: #dc8f03; 
        }
        .shui-a { 
            position: relative; 
            width: 5px; 
            height: 20px; 
            margin: -5px 0 0 59px; 
            animation: swing 4s infinite ease-in-out; 
            transform-origin: 50% -45px; 
            background: orange; 
            border-radius: 0 0 5px 5px; 
        }
        .shui-b { 
            position: absolute; 
            top: 14px; 
            left: -2px; 
            width: 10px; 
            height: 10px; 
            background: #dc8f03; 
            border-radius: 50%; 
        }
        .shui-c { 
            position: absolute; 
            top: 18px; 
            left: -2px; 
            width: 10px; 
            height: 35px; 
            background: orange; 
            border-radius: 0 0 0 5px; 
        }
        .deng:before, .deng:after { 
            content: " "; 
            display: block; 
            position: absolute; 
            border-radius: 5px; 
            border: solid 1px #dc8f03; 
            background: linear-gradient(to right, #dc8f03, orange, #dc8f03, orange, #dc8f03); 
        }
        .deng:before { 
            top: -7px; left: 29px; height: 12px; width: 60px; z-index: 999; 
        }
        .deng:after { 
            bottom: -7px; left: 10px; height: 12px; width: 60px; margin-left: 20px; 
        }
        .deng-t { 
            font-family: '华文行楷', Arial, Lucida Grande, Tahoma, sans-serif; 
            font-size: 3.2rem; 
            color: #dc8f03; 
            font-weight: 700; 
            line-height: 85px; 
            text-align: center; 
        }
        @media (max-width: 768px) { 
            .deng-t { font-size: 2.5rem; }  
            .deng-box { transform: scale(0.5); top: -15px; }  
            .deng-box1 { left: -22%; }  
            .deng-box2 { left: 0px; }  
            .deng-box3 { right: 50px; }  
            .deng-box4 { right: -10px; }  
        }
        @keyframes swing { 
            0% { transform: rotate(-10deg); }  
            50% { transform: rotate(10deg); }  
            100% { transform: rotate(-10deg); }  
        }
    `;
    document.head.appendChild(style);
}

// 引入时调用
function init() {
    addStyles();
    createDengContainer();
}

// 调用初始化函数
init();
</script>

当然你也可以将字体样式更改为古风的字体，显得更有氛围。

更改字体样式

@font-face {
    font-family: 'Font';
    src: url('font.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: 'Font', sans-serif;
}

下面也看到另一位博主写的代码，动画绘制的也不错，不过只有一个灯笼。

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>灯笼动画</title>
  </head>
  <link rel="stylesheet" href="../common.css" />
  <style>
    :root {
      --lineColor: #ecaa2f;
      --bg: #f00;
    }
    .container {
      width: 200px;
      height: 150px;
      position: relative;
      animation: rotate 3s infinite ease-in-out;
    }
    .center {
      position: relative;
      width: 100%;
      height: 100%;
      background: var(--bg);
      border-radius: 120px;
      box-shadow: 0 0 80px -10px var(--bg);
      animation: rotate 3s infinite ease-in-out;
      transform-origin: top center;
    }
    .center::before {
      content: "";
      position: absolute;
      top: -8px;
      left: calc(50% - 40px);
      width: 80px;
      height: 10px;
      background: var(--lineColor);
      border-radius: 5px 5px 0 0;
      z-index: 2;
    }
    .center::after {
      content: "";
      width: 80px;
      height: 10px;
      background: var(--lineColor);
      border-radius: 0 0 5px 5px;
      position: absolute;
      bottom: -8px;
      left: calc(50% - 40px);
      z-index: 2;
    }
    .center-line {
      width: 100%;
      height: 100%;
    }
    .center-line span {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 18px;
      font-size: 18px;
      color: var(--lineColor);
      font-weight: bold;
    }
    .center-line::before {
      content: "";
      position: absolute;
      top: 0;
      left: calc(50% - 75px);
      width: 150px;
      height: 150px;
      border: 2px solid var(--lineColor);
      border-radius: 50%;
    }
    .center-line::after {
      content: "";
      position: absolute;
      top: 0;
      left: calc(50% - 35px);
      width: 70px;
      height: 150px;
      border: 2px solid var(--lineColor);
      border-radius: 50%;
    }
    .head-line {
      position: absolute;
      left: calc(50% - 2px);
      top: -60px;
      width: 4px;
      height: 60px;
      background-color: var(--lineColor);
    }
    .footer-line {
      position: absolute;
      left: calc(50% - 2px);
      bottom: -50px;
      width: 4px;
      height: 50px;
      background-color: var(--lineColor);
      animation: rotate 3s infinite ease-in-out;
    }
    .footer-line::after {
      content: "";
      position: absolute;
      bottom: -75px;
      left: calc(50% - 8px);
      width: 16px;
      height: 80px;
      background: linear-gradient(
        #f00,
        #e36d00 3px,
        #fbd342 5px,
        #e36d00 8px,
        #e36d00 12px,
        #f00 16px,
        rgba(255, 0, 0, 0.8) 26px,
        rgba(255, 0, 0, 0.6)
      );
      border-radius: 5px 5px 0 0;
    }
    @keyframes rotate {
      0%,
      100% {
        transform: rotate(-10deg);
      }
      50% {
        transform: rotate(10deg);
      }
    }
  </style>
  <body>
    <div class="container">
      <span class="head-line"></span>
      <div class="center">
        <div class="center-line">
          <span>新年快乐</span>
        </div>
        <span class="footer-line"></span>
      </div>
    </div>
  </body>
</html>