1. 动画1
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <title>Order</title>
  <!-- <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css" />
  <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:400,500,700&amp;display=swap" /> -->
  <style>
    :root {
      --primary: #275EFE;
      --primary-light: #7699FF;
      --dark: #1C212E;
      --grey-dark: #3F4656;
      --grey: #6C7486;
      --grey-light: #CDD9ED;
      --white: #FFF;
      --green: #16BF78;
      --sand: #DCB773;
      --sand-light: #EDD9A9;
    }

    .order {
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      border: 0;
      background: var(--dark);
      position: relative;
      height: 63px;
      width: 240px;
      padding: 0;
      outline: none;
      cursor: pointer;
      border-radius: 32px;
      -webkit-mask-image: -webkit-radial-gradient(white, black);
      -webkit-tap-highlight-color: transparent;
      overflow: hidden;
      transition: transform 0.3s ease;
    }

    .order span {
      --o: 1;
      position: absolute;
      left: 0;
      right: 0;
      text-align: center;
      top: 19px;
      line-height: 24px;
      color: var(--white);
      font-size: 16px;
      font-weight: 500;
      opacity: var(--o);
      transition: opacity 0.3s ease;
    }

    .order span.default {
      transition-delay: 0.3s;
    }

    .order span.success {
      --offset: 16px;
      --o: 0;
    }

    .order span.success svg {
      width: 12px;
      height: 10px;
      display: inline-block;
      vertical-align: top;
      fill: none;
      margin: 7px 0 0 4px;
      stroke: var(--green);
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-dasharray: 16px;
      stroke-dashoffset: var(--offset);
      transition: stroke-dashoffset 0.3s ease;
    }

    .order:active {
      transform: scale(0.96);
    }

    .order .lines {
      opacity: 0;
      position: absolute;
      height: 3px;
      background: var(--white);
      border-radius: 2px;
      width: 6px;
      top: 30px;
      left: 100%;
      box-shadow: 15px 0 0 var(--white), 30px 0 0 var(--white), 45px 0 0 var(--white), 60px 0 0 var(--white), 75px 0 0 var(--white), 90px 0 0 var(--white), 105px 0 0 var(--white), 120px 0 0 var(--white), 135px 0 0 var(--white), 150px 0 0 var(--white), 165px 0 0 var(--white), 180px 0 0 var(--white), 195px 0 0 var(--white), 210px 0 0 var(--white), 225px 0 0 var(--white), 240px 0 0 var(--white), 255px 0 0 var(--white), 270px 0 0 var(--white), 285px 0 0 var(--white), 300px 0 0 var(--white), 315px 0 0 var(--white), 330px 0 0 var(--white);
    }

    .order .back,
    .order .box {
      --start: var(--white);
      --stop: var(--grey-light);
      border-radius: 2px;
      background: linear-gradient(var(--start), var(--stop));
      position: absolute;
    }

    .order .truck {
      width: 60px;
      height: 41px;
      left: 100%;
      z-index: 1;
      top: 11px;
      position: absolute;
      transform: translateX(24px);
    }

    .order .truck:before,
    .order .truck:after {
      --r: -90deg;
      content: "";
      height: 2px;
      width: 20px;
      right: 58px;
      position: absolute;
      display: block;
      background: var(--white);
      border-radius: 1px;
      transform-origin: 100% 50%;
      transform: rotate(var(--r));
    }

    .order .truck:before {
      top: 4px;
    }

    .order .truck:after {
      --r: 90deg;
      bottom: 4px;
    }

    .order .truck .back {
      left: 0;
      top: 0;
      width: 60px;
      height: 41px;
      z-index: 1;
    }

    .order .truck .front {
      overflow: hidden;
      position: absolute;
      border-radius: 2px 9px 9px 2px;
      width: 26px;
      height: 41px;
      left: 60px;
    }

    .order .truck .front:before,
    .order .truck .front:after {
      content: "";
      position: absolute;
      display: block;
    }

    .order .truck .front:before {
      height: 13px;
      width: 2px;
      left: 0;
      top: 14px;
      background: linear-gradient(var(--grey), var(--grey-dark));
    }

    .order .truck .front:after {
      border-radius: 2px 9px 9px 2px;
      background: var(--primary);
      width: 24px;
      height: 41px;
      right: 0;
    }

    .order .truck .front .window {
      overflow: hidden;
      border-radius: 2px 8px 8px 2px;
      background: var(--primary-light);
      transform: perspective(4px) rotateY(3deg);
      width: 22px;
      height: 41px;
      position: absolute;
      left: 2px;
      top: 0;
      z-index: 1;
      transform-origin: 0 50%;
    }

    .order .truck .front .window:before,
    .order .truck .front .window:after {
      content: "";
      position: absolute;
      right: 0;
    }

    .order .truck .front .window:before {
      top: 0;
      bottom: 0;
      width: 14px;
      background: var(--dark);
    }

    .order .truck .front .window:after {
      width: 14px;
      top: 7px;
      height: 4px;
      position: absolute;
      background: rgba(255, 255, 255, 0.14);
      transform: skewY(14deg);
      box-shadow: 0 7px 0 rgba(255, 255, 255, 0.14);
    }

    .order .truck .light {
      width: 3px;
      height: 8px;
      left: 83px;
      transform-origin: 100% 50%;
      position: absolute;
      border-radius: 2px;
      transform: scaleX(0.8);
      background: #f0dc5f;
    }

    .order .truck .light:before {
      content: "";
      height: 4px;
      width: 7px;
      opacity: 0;
      transform: perspective(2px) rotateY(-15deg) scaleX(0.94);
      position: absolute;
      transform-origin: 0 50%;
      left: 3px;
      top: 50%;
      margin-top: -2px;
      background: linear-gradient(90deg, #f0dc5f, rgba(240, 220, 95, 0.7), rgba(240, 220, 95, 0));
    }

    .order .truck .light.top {
      top: 4px;
    }

    .order .truck .light.bottom {
      bottom: 4px;
    }

    .order .box {
      --start: var(--sand-light);
      --stop: var(--sand);
      width: 21px;
      height: 21px;
      right: 100%;
      top: 21px;
    }

    .order .box:before,
    .order .box:after {
      content: "";
      top: 10px;
      position: absolute;
      left: 0;
      right: 0;
    }

    .order .box:before {
      height: 3px;
      margin-top: -1px;
      background: rgba(0, 0, 0, 0.1);
    }

    .order .box:after {
      height: 1px;
      background: rgba(0, 0, 0, 0.15);
    }

    .order.animate .default {
      --o: 0;
      transition-delay: 0s;
    }

    .order.animate .success {
      --offset: 0;
      --o: 1;
      transition-delay: 7s;
    }

    .order.animate .success svg {
      transition-delay: 7.3s;
    }

    .order.animate .truck {
      -webkit-animation: truck 10s ease forwards;
      animation: truck 10s ease forwards;
    }

    .order.animate .truck:before {
      -webkit-animation: door1 2.4s ease forwards 0.3s;
      animation: door1 2.4s ease forwards 0.3s;
    }

    .order.animate .truck:after {
      -webkit-animation: door2 2.4s ease forwards 0.6s;
      animation: door2 2.4s ease forwards 0.6s;
    }

    .order.animate .truck .light:before,
    .order.animate .truck .light:after {
      -webkit-animation: light 10s ease forwards;
      animation: light 10s ease forwards;
    }

    .order.animate .box {
      -webkit-animation: box 10s ease forwards;
      animation: box 10s ease forwards;
    }

    .order.animate .lines {
      -webkit-animation: lines 10s ease forwards;
      animation: lines 10s ease forwards;
    }

    @-webkit-keyframes truck {

      10%,
      30% {
        transform: translateX(-164px);
      }

      40% {
        transform: translateX(-104px);
      }

      60% {
        transform: translateX(-224px);
      }

      75%,
      100% {
        transform: translateX(24px);
      }
    }

    @keyframes truck {

      10%,
      30% {
        transform: translateX(-164px);
      }

      40% {
        transform: translateX(-104px);
      }

      60% {
        transform: translateX(-224px);
      }

      75%,
      100% {
        transform: translateX(24px);
      }
    }

    @-webkit-keyframes lines {

      0%,
      30% {
        opacity: 0;
        transform: scaleY(0.7) translateX(0);
      }

      35%,
      65% {
        opacity: 1;
      }

      70% {
        opacity: 0;
      }

      100% {
        transform: scaleY(0.7) translateX(-400px);
      }
    }

    @keyframes lines {

      0%,
      30% {
        opacity: 0;
        transform: scaleY(0.7) translateX(0);
      }

      35%,
      65% {
        opacity: 1;
      }

      70% {
        opacity: 0;
      }

      100% {
        transform: scaleY(0.7) translateX(-400px);
      }
    }

    @-webkit-keyframes light {

      0%,
      30% {
        opacity: 0;
        transform: perspective(2px) rotateY(-15deg) scaleX(0.88);
      }

      40%,
      100% {
        opacity: 1;
        transform: perspective(2px) rotateY(-15deg) scaleX(0.94);
      }
    }

    @keyframes light {

      0%,
      30% {
        opacity: 0;
        transform: perspective(2px) rotateY(-15deg) scaleX(0.88);
      }

      40%,
      100% {
        opacity: 1;
        transform: perspective(2px) rotateY(-15deg) scaleX(0.94);
      }
    }

    @-webkit-keyframes door1 {

      30%,
      50% {
        transform: rotate(32deg);
      }
    }

    @keyframes door1 {

      30%,
      50% {
        transform: rotate(32deg);
      }
    }

    @-webkit-keyframes door2 {

      30%,
      50% {
        transform: rotate(-32deg);
      }
    }

    @keyframes door2 {

      30%,
      50% {
        transform: rotate(-32deg);
      }
    }

    @-webkit-keyframes box {

      8%,
      10% {
        transform: translateX(40px);
        opacity: 1;
      }

      25% {
        transform: translateX(112px);
        opacity: 1;
      }

      26% {
        transform: translateX(112px);
        opacity: 0;
      }

      27%,
      100% {
        transform: translateX(0px);
        opacity: 0;
      }
    }

    @keyframes box {

      8%,
      10% {
        transform: translateX(40px);
        opacity: 1;
      }

      25% {
        transform: translateX(112px);
        opacity: 1;
      }

      26% {
        transform: translateX(112px);
        opacity: 0;
      }

      27%,
      100% {
        transform: translateX(0px);
        opacity: 0;
      }
    }

    html {
      box-sizing: border-box;
      -webkit-font-smoothing: antialiased;
    }

    * {
      box-sizing: inherit;
    }

    *:before,
    *:after {
      box-sizing: inherit;
    }

    body {
      min-height: 100vh;
      font-family: Roboto, Arial;
      display: flex;
      justify-content: center;
      align-items: center;
      background: #E4ECFA;
    }

    body .dribbble {
      position: fixed;
      display: block;
      right: 20px;
      bottom: 20px;
    }

    body .dribbble img {
      display: block;
      height: 28px;
    }
  </style>
</head>

<body>
  <!-- partial:index.partial.html -->
  <button class="order">
    <span class="default">确认订单</span><span class="success">订单已发送
      <svg viewbox="0 0 12 10">
        <polyline points="1.5 6 4.5 9 10.5 1"></polyline>
      </svg></span>
    <div class="box"></div>
    <div class="truck">
      <div class="back"></div>
      <div class="front">
        <div class="window"></div>
      </div>
      <div class="light top"></div>
      <div class="light bottom"></div>
    </div>
    <div class="lines"></div>
  </button>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
  <script>
    $('.order').click(function (e) {
      let button = $(this);
      if (!button.hasClass('animate')) {
        button.addClass('animate');
        setTimeout(() => {
          button.removeClass('animate');
        }, 10000);
      }

    });
  </script>
</body>
</html>

在这里插入图片描述

动画2
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <style>
    .truck-button {
      --color: #fff;
      --background: #2B3044;
      --tick: #16BF78;
      --base: #0D0F18;
      --wheel: #2B3044;
      --wheel-inner: #646B8C;
      --wheel-dot: #fff;
      --back: #6D58FF;
      --back-inner: #362A89;
      --back-inner-shadow: #2D246B;
      --front: #A6ACCD;
      --front-shadow: #535A79;
      --front-light: #FFF8B1;
      --window: #2B3044;
      --window-shadow: #404660;
      --street: #646B8C;
      --street-fill: #404660;
      --box: #DCB97A;
      --box-shadow: #B89B66;
      padding: 12px 0;
      width: 172px;
      cursor: pointer;
      text-align: center;
      position: relative;
      border: none;
      outline: none;
      color: var(--color);
      background: var(--background);
      border-radius: var(--br, 5px);
      -webkit-appearance: none;
      -webkit-tap-highlight-color: transparent;
      transform-style: preserve-3d;
      transform: rotateX(var(--rx, 0deg)) translateZ(0);
      transition: transform 0.5s, border-radius 0.3s linear var(--br-d, 0s);
    }

    .truck-button:before,
    .truck-button:after {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 6px;
      display: block;
      background: var(--b, var(--street));
      transform-origin: 0 100%;
      transform: rotateX(90deg) scaleX(var(--sy, 1));
    }

    .truck-button:after {
      --sy: var(--progress, 0);
      --b: var(--street-fill);
    }

    .truck-button .default,
    .truck-button .success {
      display: block;
      font-weight: 500;
      font-size: 14px;
      line-height: 24px;
      opacity: var(--o, 1);
      transition: opacity 0.3s;
    }

    .truck-button .success {
      --o: 0;
      position: absolute;
      top: 12px;
      left: 0;
      right: 0;
    }

    .truck-button .success svg {
      width: 12px;
      height: 10px;
      display: inline-block;
      vertical-align: top;
      fill: none;
      margin: 7px 0 0 4px;
      stroke: var(--tick);
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-dasharray: 16px;
      stroke-dashoffset: var(--offset, 16px);
      transition: stroke-dashoffset 0.4s ease 0.45s;
    }

    .truck-button .truck {
      position: absolute;
      width: 72px;
      height: 28px;
      transform: rotateX(90deg) translate3d(var(--truck-x, 4px), calc(var(--truck-y-n, -26) * 1px), 12px);
    }

    .truck-button .truck:before,
    .truck-button .truck:after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: var(--l, 18px);
      width: 10px;
      height: 10px;
      border-radius: 50%;
      z-index: 2;
      box-shadow: inset 0 0 0 2px var(--wheel), inset 0 0 0 4px var(--wheel-inner);
      background: var(--wheel-dot);
      transform: translateY(calc(var(--truck-y) * -1px)) translateZ(0);
    }

    .truck-button .truck:after {
      --l: 54px;
    }

    .truck-button .truck .wheel,
    .truck-button .truck .wheel:before {
      position: absolute;
      bottom: var(--b, -6px);
      left: var(--l, 6px);
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--wheel);
      transform: translateZ(0);
    }

    .truck-button .truck .wheel {
      transform: translateY(calc(var(--truck-y) * -1px)) translateZ(0);
    }

    .truck-button .truck .wheel:before {
      --l: 35px;
      --b: 0;
      content: "";
    }

    .truck-button .truck .front,
    .truck-button .truck .back,
    .truck-button .truck .box {
      position: absolute;
    }

    .truck-button .truck .back {
      left: 0;
      bottom: 0;
      z-index: 1;
      width: 47px;
      height: 28px;
      border-radius: 1px 1px 0 0;
      background: linear-gradient(68deg, var(--back-inner) 0%, var(--back-inner) 22%, var(--back-inner-shadow) 22.1%, var(--back-inner-shadow) 100%);
    }

    .truck-button .truck .back:before,
    .truck-button .truck .back:after {
      content: "";
      position: absolute;
    }

    .truck-button .truck .back:before {
      left: 11px;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 2;
      border-radius: 0 1px 0 0;
      background: var(--back);
    }

    .truck-button .truck .back:after {
      border-radius: 1px;
      width: 73px;
      height: 2px;
      left: -1px;
      bottom: -2px;
      background: var(--base);
    }

    .truck-button .truck .front {
      left: 47px;
      bottom: -1px;
      height: 22px;
      width: 24px;
      -webkit-clip-path: polygon(55% 0, 72% 44%, 100% 58%, 100% 100%, 0 100%, 0 0);
      clip-path: polygon(55% 0, 72% 44%, 100% 58%, 100% 100%, 0 100%, 0 0);
      background: linear-gradient(84deg, var(--front-shadow) 0%, var(--front-shadow) 10%, var(--front) 12%, var(--front) 100%);
    }

    .truck-button .truck .front:before,
    .truck-button .truck .front:after {
      content: "";
      position: absolute;
    }

    .truck-button .truck .front:before {
      width: 7px;
      height: 8px;
      background: #fff;
      left: 7px;
      top: 2px;
      -webkit-clip-path: polygon(0 0, 60% 0%, 100% 100%, 0% 100%);
      clip-path: polygon(0 0, 60% 0%, 100% 100%, 0% 100%);
      background: linear-gradient(59deg, var(--window) 0%, var(--window) 57%, var(--window-shadow) 55%, var(--window-shadow) 100%);
    }

    .truck-button .truck .front:after {
      width: 3px;
      height: 2px;
      right: 0;
      bottom: 3px;
      background: var(--front-light);
    }

    .truck-button .truck .box {
      width: 13px;
      height: 13px;
      right: 56px;
      bottom: 0;
      z-index: 1;
      border-radius: 1px;
      overflow: hidden;
      transform: translate(calc(var(--box-x, -24) * 1px), calc(var(--box-y, -6) * 1px)) scale(var(--box-s, 0.5));
      opacity: var(--box-o, 0);
      background: linear-gradient(68deg, var(--box) 0%, var(--box) 50%, var(--box-shadow) 50.2%, var(--box-shadow) 100%);
      background-size: 250% 100%;
      background-position-x: calc(var(--bx, 0) * 1%);
    }

    .truck-button .truck .box:before,
    .truck-button .truck .box:after {
      content: "";
      position: absolute;
    }

    .truck-button .truck .box:before {
      content: "";
      background: rgba(255, 255, 255, 0.2);
      left: 0;
      right: 0;
      top: 6px;
      height: 1px;
    }

    .truck-button .truck .box:after {
      width: 6px;
      left: 100%;
      top: 0;
      bottom: 0;
      background: var(--back);
      transform: translateX(calc(var(--hx, 0) * 1px));
    }

    .truck-button.animation {
      --rx: -90deg;
      --br: 0;
    }

    .truck-button.animation .default {
      --o: 0;
    }

    .truck-button.animation.done {
      --rx: 0deg;
      --br: 5px;
      --br-d: .2s;
    }

    .truck-button.animation.done .success {
      --o: 1;
      --offset: 0;
    }

    html {
      box-sizing: border-box;
      -webkit-font-smoothing: antialiased;
    }

    * {
      box-sizing: inherit;
    }

    *:before,
    *:after {
      box-sizing: inherit;
    }

    body {
      min-height: 100vh;
      display: flex;
      font-family: "Inter UI", "Inter", Arial;
      justify-content: center;
      align-items: center;
      background: #000;
    }

    body .dribbble {
      position: fixed;
      display: block;
      right: 20px;
      bottom: 20px;
    }

    body .dribbble img {
      display: block;
      height: 28px;
    }

    body .twitter {
      position: fixed;
      display: block;
      right: 64px;
      bottom: 14px;
    }

    body .twitter svg {
      width: 32px;
      height: 32px;
      fill: #1da1f2;
    }
  </style>
</head>

<body>
  <!-- partial:index.partial.html -->
  <button class="truck-button">
    <span class="default">提交订单</span>
    <span class="success">
      订单完成
      <svg viewbox="0 0 12 10">
        <polyline points="1.5 6 4.5 9 10.5 1"></polyline>
      </svg>
    </span>
    <div class="truck">
      <div class="wheel"></div>
      <div class="back"></div>
      <div class="front"></div>
      <div class="box"></div>
    </div>
  </button>
  <script src='https://cdn.jsdelivr.net/npm/gsap@3.0.1/dist/gsap.min.js'></script>
  <script>
    document.querySelectorAll('.truck-button').forEach(button => {
      button.addEventListener('click', e => {
        e.preventDefault();
        let box = button.querySelector('.box'),
          truck = button.querySelector('.truck');

        if (!button.classList.contains('done')) {

          if (!button.classList.contains('animation')) {

            button.classList.add('animation');

            gsap.to(button, {
              '--box-s': 1,
              '--box-o': 1,
              duration: .3,
              delay: .5
            });

            gsap.to(box, {
              x: 0,
              duration: .4,
              delay: .7
            });

            gsap.to(button, {
              '--hx': -5,
              '--bx': 50,
              duration: .18,
              delay: .92
            });

            gsap.to(box, {
              y: 0,
              duration: .1,
              delay: 1.15
            });

            gsap.set(button, {
              '--truck-y': 0,
              '--truck-y-n': -26
            });

            gsap.to(button, {
              '--truck-y': 1,
              '--truck-y-n': -25,
              duration: .2,
              delay: 1.25,
              onComplete() {
                gsap.timeline({
                  onComplete() {
                    button.classList.add('done');
                  }
                }).to(truck, {
                  x: 0,
                  duration: .4
                }).to(truck, {
                  x: 40,
                  duration: 1
                }).to(truck, {
                  x: 20,
                  duration: .6
                }).to(truck, {
                  x: 96,
                  duration: .4
                });
                gsap.to(button, {
                  '--progress': 1,
                  duration: 2.4,
                  ease: "power2.in"
                });
              }
            });

          }

        } else {
          button.classList.remove('animation', 'done');
          gsap.set(truck, {
            x: 4
          });
          gsap.set(button, {
            '--progress': 0,
            '--hx': 0,
            '--bx': 0,
            '--box-s': .5,
            '--box-o': 0,
            '--truck-y': 0,
            '--truck-y-n': -26
          });
          gsap.set(box, {
            x: -24,
            y: -6
          });
        }

      });
    });
  </script>

</body>

</html>

在这里插入图片描述

动画3
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <link rel="stylesheet">
  <style>
    * {
      margin: 0;
      padding: 0;
      font-family: "Montserrat", sans-serif;
    }

    body {
      width: 100vw;
      height: 100vh;
      background-color: #000;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .place-order {
      width: 160px;
      height: 50px;
      border-radius: 10px;
      background-color: #2b59b5;
      position: relative;
      overflow: hidden;
      border: none;
      cursor: pointer;
    }

    .place-order .text {
      width: 100%;
      height: 100%;
      line-height: 50px;
      opacity: 0;
      color: #fff;
      font-weight: bold;
      font-size: 16px;
      position: absolute;
      top: 0;
      transition: all 0.2s;
      transform: translateY(20px);
    }

    .place-order:focus {
      outline: none;
    }

    .place-order .forklift {
      display: none;
      transform: scale(0.4);
      position: absolute;
      top: -2px;
      left: -65px;
      animation: 4s lift-moving infinite;
    }

    .place-order .forklift .upper {
      width: 34px;
      height: 20px;
      margin-bottom: 2px;
      border: 5px solid #ff7745;
      position: relative;
      border-radius: 10px 50px 10px 5px;
    }

    .place-order .forklift .upper:after {
      content: "";
      width: 30px;
      height: 50px;
      position: absolute;
      left: 170%;
      top: 12px;
      box-sizing: border-box;
      border-left: 5px solid #000;
      border-bottom: 6px solid #000;
      border-radius: 0 0 0 5px;
      transform-origin: center;
    }

    .place-order .forklift .lower {
      width: 60px;
      height: 30px;
      position: relative;
      background-color: #FF4500;
      border-radius: 5px 15px 10px 10px;
    }

    .place-order .forklift .lower:before,
    .place-order .forklift .lower:after {
      content: "";
      width: 20px;
      height: 20px;
      position: absolute;
      left: 0;
      bottom: -10px;
      border: 3px solid #2b59b5;
      border-radius: 50%;
      background-color: #000;
    }

    .place-order .forklift .lower:after {
      left: 36px;
    }

    .place-order .box {
      display: none;
      width: 50px;
      height: 50px;
      background-color: #ad8762;
      border-radius: 5px;
      position: absolute;
      top: 56px;
      left: 50px;
      transform: scale(0.4);
      animation: 4s box infinite;
    }

    .place-order .box:before,
    .place-order .box:after {
      content: "";
      width: 4px;
      height: 12px;
      left: 21px;
      background-color: #ffbf59;
      position: absolute;
    }

    .place-order .box:after {
      height: 10px;
      left: 25px;
    }

    .place-order--default .default {
      opacity: 1;
      transform: translateY(0);
    }

    .place-order--default .done {
      transform: translateY(20px);
    }

    .place-order--placing .forklift {
      display: block;
    }

    .place-order--placing .box {
      display: block;
    }

    .place-order--placing .default {
      transform: translateY(-20px);
    }

    .place-order--done .done {
      opacity: 1;
      transform: translateY(0);
    }

    .place-order--done .default {
      transform: translateY(-20px);
    }

    @keyframes lift-moving {
      0% {
        left: -65px;
      }

      50% {
        left: 20px;
      }

      60% {
        left: 15px;
      }

      100% {
        left: 200px;
      }
    }

    @keyframes box {
      0% {
        top: 56px;
      }

      20% {
        top: 6px;
        left: 50px;
      }

      50% {
        top: 6px;
        left: 50px;
      }

      60% {
        top: 6px;
        left: 45px;
      }

      100% {
        top: 6px;
        left: 230px;
      }
    }
  </style>
</head>

<body>
  <!-- partial:index.partial.html -->
  <button class="place-order place-order--default">
    <div class="default text">提交订单</div>
    <div class="forklift">
      <div class="upper"></div>
      <div class="lower"></div>
    </div>
    <div class="box animation"></div>
    <div class="done text">订单完成</div>
  </button>
  <!-- partial -->
  <script>
    const btn = document.querySelector(".place-order");
    btn.addEventListener("click", () => {
      btn.classList.remove("place-order--default");
      btn.classList.add("place-order--placing");
      setTimeout(() => {
        btn.classList.remove("place-order--placing");
        btn.classList.add("place-order--done");
      }, 4000);
      setTimeout(() => {
        btn.classList.remove("place-order--done");
        btn.classList.add("place-order--default");
      }, 6000);
    })
  </script>

</body>

</html>

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