当我更改默认元素的数量时，CSS 垂直滚动动画变得奇怪

如何解决当我更改默认元素的数量时，CSS 垂直滚动动画变得奇怪

我需要创建一个垂直旋转木马，因为在 bootstrap 或 Bulma 中没有默认选项。我不得不寻找不同的解决方案。我找到了一个解决方案，但是当我添加了超过默认的 4 个元素时，动画开始看起来很古怪。我需要有关 --delay: 属性的帮助。

Js 小提琴链接：https://jsfiddle.net/1szopdu7

.verticalCarouselParent {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom,#bea2e7 0%,#86b7e7 100%);
}

.wrapper .outer {
  display: flex;
  align-items: center;
  justify-content: center;
}

.wrapper .card {
  background: #fff;
  width: 430px;
  display: flex;
  align-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  justify-content: space-between;
  border-radius: 100px 20px 20px 100px;
  Box-shadow: 0px 10px 15px rgba(0,0.1);
  animation: animate 15s linear infinite;
  animation-delay: calc(3s * var(--delay));
}

.outer:hover .card {
  animation-play-state: paused;
}

.wrapper .card:last-child {
  animation-delay: calc(-3s * var(--delay));
}

@keyframes animate {
  0% {
    opacity: 0;
    transform: translateY(100%) scale(0.5);
  }
  5%,20% {
    opacity: 0.4;
    transform: translateY(100%) scale(0.7);
  }
  25%,40% {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0%) scale(1);
  }
  45%,60% {
    opacity: 0.4;
    transform: translateY(-100%) scale(0.7);
  }
  65%,100% {
    opacity: 0;
    transform: translateY(-100%) scale(0.5);
  }
}

.card .content {
  display: flex;
  align-items: center;
}

.wrapper .card .img {
  height: 90px;
  width: 90px;
  position: absolute;
  left: -5px;
  background: #fff;
  border-radius: 50%;
  padding: 5px;
  Box-shadow: 0px 0px 5px rgba(0,0.2);
}

.card .img img {
  height: 100%;
  width: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.card {
  width: 1000px !important;
}

.card .details {
  margin-left: 80px;
}

.details span {
  font-weight: 600;
  font-size: 18px;
}

.card a {
  text-decoration: none;
  padding: 7px 18px;
  border-radius: 25px;
  color: #fff;
  background: linear-gradient(to bottom,#86b7e7 100%);
  transition: all 0.3s ease;
}

.card a:hover {
  transform: scale(0.94);
}

<body>
  <div class="wrapper verticalCarouselParent">
    <div class="outer">
      <div class="card" style="--delay: -1">
        <div class="content">
          <div class="img"><img src="images/img-1.jpg" alt="" /></div>
          <div class="details">
            <span class="name">Sumit Kapoor</span>
            <p>Frontend Developer</p>
          </div>
        </div>
        <a href="#">Follow</a>
      </div>
      <div class="card" style="--delay: 0">
        <div class="content">
          <div class="img"><img src="images/img-2.jpg" alt="" /></div>
          <div class="details">
            <span class="name">Andrew Neil</span>
            <p>YouTuber & Blogger</p>
          </div>
        </div>
        <a href="#">Follow</a>
      </div>
      <div class="card" style="--delay: 1">
        <div class="content">
          <div class="img"><img src="images/img-3.jpg" alt="" /></div>
          <div class="details">
            <span class="name">Jasmine Carter</span>
            <p>Freelancer & Vlogger</p>
          </div>
        </div>
        <a href="#">Follow</a>
      </div>
      <div class="card" style="--delay: 2">
        <div class="content">
          <div class="img"><img src="images/img-4.jpg" alt="" /></div>
          <div class="details">
            <span class="name">Justin Chung</span>
            <p>Backend Developer</p>
          </div>
        </div>
        <a href="#">Follow</a>
      </div>
      <div class="card" style="--delay: 2">
        <div class="content">
          <div class="img"><img src="images/img-5.jpg" alt="" /></div>
          <div class="details">
            <span class="name">Adrina Calvo</span>
            <p>Teacher & Advertiser</p>
          </div>
        </div>
        <a href="#">Follow</a>
      </div>
    </div>
    <div class="card" style="--delay: 2.8">
      <div class="content">
        <div class="img"><img src="images/img-5.jpg" alt="" /></div>
        <div class="details">
          <span class="name">Adrina Calvo</span>
          <p>Teacher & Advertiser</p>
        </div>
      </div>
      <a href="#">Follow</a>
    </div>
  </div>
  </div>
</body>

当我更改默认元素的数量时，CSS 垂直滚动动画变得奇怪

如何解决当我更改默认元素的数量时，CSS 垂直滚动动画变得奇怪

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