看一下展示效果
PixPin_2024-05-08_11-11-56.gif
HTML代码：

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>曲线导航菜单指示器</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <div class="navigation">
      <ul>
        <li class="list active">
          <a href="#">
            <span class="icon">
              <ion-icon name="home-outline"></ion-icon>
            </span>
            <span class="text">Home</span>
          </a>
        </li>
        <li class="list">
          <a href="#">
            <span class="icon">
              <ion-icon name="person-outline"></ion-icon>
            </span>
            <span class="text">Profile</span>
          </a>
        </li>
        <li class="list">
          <a href="#">
            <span class="icon">
              <ion-icon name="chatbubble-outline"></ion-icon>
            </span>
            <span class="text">Message</span>
          </a>
        </li>
        <li class="list">
          <a href="#">
            <span class="icon">
              <ion-icon name="camera-outline"></ion-icon>
            </span>
            <span class="text">Photo</span>
          </a>
        </li>
        <li class="list">
          <a href="#">
            <span class="icon">
              <ion-icon name="settings-outline"></ion-icon>
            </span>
            <span class="text">Settings</span>
          </a>
        </li>
        <div class="indicator"></div>
      </ul>
    </div>
    <script
      type="module"
      src="https://unpkg.com/ionicons@7.1.0/dist/ionicons/ionicons.esm.js"
    ></script>
    <script
      nomodule
      src="https://unpkg.com/ionicons@7.1.0/dist/ionicons/ionicons.js"
    ></script>
    <script>
      const list = document.querySelectorAll(".list");
      function activeLink() {
        list.forEach((item) => item.classList.remove("active"));
        this.classList.add("active");
      }
      list.forEach((item) => item.addEventListener("click", activeLink));
    </script>
  </body>
</html>

CSS代码：

@import url("https://fonts.googleapis.com/css?family=Poppins:100,200,300,400,500,600,700,800,900");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

:root {
  --clr: #222327;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--clr);
}

.navigation {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 400px;
  height: 70px;
  background-color: #fff;
  border-radius: 10px;
}

.navigation ul {
  display: flex;
  width: 350px;
}

.navigation ul li {
  position: relative;
  list-style: none;
  width: 70px;
  height: 70px;
  z-index: 1;
}

.navigation ul li a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 100%;
  text-align: center;
  font-weight: 500;
}

.navigation ul li .icon {
  position: relative;
  display: block;
  line-height: 75px;
  font-size: 1.5em;
  text-align: center;
  transition: 0.5s;
  color: var(--clr);
}

.navigation ul li.active .icon {
  transform: translateY(-32px);
}

.navigation ul li .text {
  position: absolute;
  color: var(--clr);
  font-weight: 400;
  font-size: 0.75em;
  letter-spacing: 0.05em;
  transition: 0.5s;
  opacity: 0;
  transform: translateY(20px);
}

.navigation ul li.active .text {
  opacity: 1;
  transform: translateY(10px);
}

.indicator {
  position: absolute;
  top: -50%;
  width: 70px;
  height: 70px;
  background: #29fd53;
  border-radius: 50%;
  border: 6px solid var(--clr);
  transition: 0.5s;
}

.indicator::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-right-radius: 20px;
  box-shadow: 1px -10px 0 0 var(--clr);
}

.indicator::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -22px;
  width: 20px;
  height: 20px;
  background: transparent;
  border-top-left-radius: 20px;
  box-shadow: -1px -10px 0 0 var(--clr);
}

.navigation ul li:nth-child(1).active ~ .indicator {
  transform: translateX(calc(70px * 0));
}

.navigation ul li:nth-child(2).active ~ .indicator {
  transform: translateX(calc(70px * 1));
}

.navigation ul li:nth-child(3).active ~ .indicator {
  transform: translateX(calc(70px * 2));
}

.navigation ul li:nth-child(4).active ~ .indicator {
  transform: translateX(calc(70px * 3));
}

.navigation ul li:nth-child(5).active ~ .indicator {
  transform: translateX(calc(70px * 4));
}

标签: css, html

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