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带有滑动菜单指示器的纯 CSS 导航选项卡

news 2025/9/7 2:48:58

效果展示

在这里插入图片描述

CSS 知识点

filter 属性回顾
transition 属性回顾
使用单选框实现导航菜单的思路

单选框当点击完成后就会有一个:checked属性，可以利用这个属性来实现导航菜单底部滑动块的滑动动画和当前菜单项激活状态的管理。

整体页面结构

<div class="tabs"><!-- 单选 --><input type="radio" id="home" name="tabsMenu" /><input type="radio" id="profile" name="tabsMenu" /><input type="radio" id="likes" name="tabsMenu" /><input type="radio" id="settings" name="tabsMenu" /><input type="radio" id="notifications" name="tabsMenu" /><!-- 图标 --><div class="buttons"><label for="home"><i class="fa-solid fa-house"></i></label><label for="profile"><i class="fa-solid fa-user"></i></label><label for="likes"><i class="fa-solid fa-heart"></i></label><label for="settings"><i class="fa-sharp fa-solid fa-gear"></i></label><label for="notifications"><i class="fa-solid fa-bell"></i></label><!-- 滑块 --><div class="underline"></div></div>
</div>

实现整体布局

.tabs input {visibility: hidden;display: none;
}.buttons {position: relative;display: flex;gap: 80px;padding: 30px 40px;border-bottom: 1px solid rgba(255, 255, 255, 0.2);background: #182d3c;overflow: hidden;border-radius: 20px;
}

编写菜单图标激活后的样式

.buttons label {width: 20%;font-size: 1.75em;-webkit-text-stroke: 1px #fff;color: transparent;cursor: pointer;transition: 0.5s;
}.buttons label:hover {opacity: 1;filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff);
}/* 通过单选框激活状态，设置图标的激活状态 */
.tabs input:nth-child(1):checked ~ .buttons label:nth-child(1),
.tabs input:nth-child(2):checked ~ .buttons label:nth-child(2),
.tabs input:nth-child(3):checked ~ .buttons label:nth-child(3),
.tabs input:nth-child(4):checked ~ .buttons label:nth-child(4),
.tabs input:nth-child(5):checked ~ .buttons label:nth-child(5) {color: #fff;opacity: 1;filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff);
}

实现菜单底部块的样式和移动样式

.underline {position: absolute;left: 0;bottom: 0;width: 20%;height: 5px;/* 设置滑块的移动时间 */transition: 0.5s;
}.underline::before {content: "";position: absolute;left: 50%;transform: translateX(-50%);width: 40px;height: 100%;background: #fff;filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff) drop-shadow(0 0 30px #fff) drop-shadow(0 0 50px #fff);
}.underline::after {content: "";position: absolute;left: 50%;transform: translateX(-50%);width: 40px;height: 100%;background: #fff;filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff) drop-shadow(0 0 30px #fff) drop-shadow(0 0 50px #fff) blur(5px);
}/* 通过单选框激活状态，设置滑块的移动距离 */
.tabs input:nth-child(1):checked ~ .buttons .underline {left: 0;
}.tabs input:nth-child(2):checked ~ .buttons .underline {left: 20%;
}.tabs input:nth-child(3):checked ~ .buttons .underline {left: 40%;
}.tabs input:nth-child(4):checked ~ .buttons .underline {left: 60%;
}.tabs input:nth-child(5):checked ~ .buttons .underline {left: 80%;
}