一键复制：期末大作业常用的CSS动画导航效果！

<nav>
         <!-- 导航栏按钮，用于主要页面导航 -->
         <nav>
             <!-- 主页按钮，包含文本和图标表示 -->
             <button type="button" title="Home">
                 <span>Home</span>
                 <!-- 使用Material Symbols Outline图标的HTML代码，用于增强视觉效果 -->
                 <span class="material-symbols-outlined" aria-hidden="true">首页</span>
                 <!-- SVG图形用于呈现"Home"文本的视觉效果，aria-hidden属性表示此元素不用于屏幕阅读器 -->
                 <svg viewBox="0 0 300 300" aria-hidden="true">
                     <g>
                         <!-- 使用textPath元素将文本沿着路径绘制 -->
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath">Home</textPath>
                         </text>
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath" startOffset="50%">Home</textPath>
                         </text>
                     </g>
                 </svg>
             </button>
             <!-- 关于按钮，包含文本和图标表示 -->
             <button type="button">
                 <span>About</span>
                 <span class="material-symbols-outlined" aria-hidden="true">信息</span>
                 <svg viewBox="0 0 300 300" aria-hidden="true">
                     <g>
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath">About</textPath>
                         </text>
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath" startOffset="50%">About</textPath>
                         </text>
                     </g>
                 </svg>
             </button>
             <!-- 服务按钮，包含文本和图标表示 -->
             <button type="button">
                 <span>Services</span>
                 <span class="material-symbols-outlined" aria-hidden="true">服务</span>
                 <svg viewBox="0 0 300 300" aria-hidden="true">
                     <g>
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath">Services</textPath>
                         </text>
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath" startOffset="50%">Services</textPath>
                         </text>
                     </g>
                 </svg>
             </button>
             <!-- 联系按钮，包含文本和图标表示 -->
             <button type="button">
                 <span>concat</span>
                 <span class="material-symbols-outlined" aria-hidden="true">联系</span>
                 <svg viewBox="0 0 300 300">
                     <g>
                         <text fill="currentColor" aria-hidden="true">
                             <textPath xlink:href="#circlePath">Contact</textPath>
                         </text>
                         <text fill="currentColor">
                             <textPath xlink:href="#circlePath" startOffset="50%">Contact</textPath>
                         </text>
                     </g>
                 </svg>
             </button>
         </nav>
         <!-- SVG 模板与动态文本 -->
         <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
             viewBox="0 0 300 300" width="0" height="0">
             <defs>
                 <path id="circlePath" d="M 150, 150 m -50, 0 a 50,50 0 0,1 100,0 a 50,50 0 0,1 -100,0" />
             </defs>
         </svg>

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* 重置按钮样式 */
button {
    appearance: none;
    background-color: transparent;
    border: none;
    cursor: pointer;
    outline: none;
    padding: 0;
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    text-decoration: none;
    text-transform: none;
    line-height: normal;
    overflow: visible;
}
body {
    min-height: 100svh;
    background-color: rgb(15, 23, 42);
    color: white;
    display: grid;
    place-content: center;
    font-size: 1rem;
    font-family: system-ui;
}
nav {
    --_clr-txt: rgb(255, 255, 255);
    --_clr-txt-svg: rgb(147, 158, 184);
    --_ani-speed: 6s;
    /* 旋转文本的速度 */
    display: flex;
    /*flex-wrap: wrap;*/
    gap: 1rem;
    font-size: 1.4rem;
}
nav>button {
    position: relative;
    display: grid;
    place-content: center;
    grid-template-areas: 'stack';
    padding: 0 1.5rem;
    text-transform: uppercase;
    font-weight: 300;
}
/* 将按钮元素堆叠在一起 */
nav>button>span {
    transition: all 300ms ease-in-out;
    grid-area: stack;
}
/* 导航图标 */
nav>button>span:last-of-type {
    margin-top: 0.25rem;
    transform: scale(0);
    transition-delay: 0ms;
    border-radius: 50%;
}
/* 悬停 - 隐藏文本 */
nav>button:focus-visible>span:first-of-type,
nav>button:hover>span:first-of-type {
    transform: scale(0);
}
/* 悬停 - 显示图标 */
nav>button:focus-visible>span:last-of-type,
nav>button:hover>span:last-of-type {
    transform: scale(1);
}
/* 导航 SVG 圆形文本 */
nav>button>svg {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transform-origin: center;
    opacity: 0;
    text-transform: uppercase;
    transition: all 300ms ease-in-out;
    color: var(--_clr-txt-svg);
}
/* 悬停 - 显示旋转的 SVG */
nav>button:focus-visible>svg,
nav>button:hover>svg {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    transition-delay: 150ms;
    transition: all 300ms ease-in-out;
}
/*
@supports (-webkit-touch-callout: none) {
/* 特定于 iOS 设备 * /
button svg {
/* 调整 iOS 设备的位置 * /
translate: -50% -50%;
animation: rotate var(--_ani-speed) linear infinite;
}
}
@supports not (-webkit-touch-callout: none) {
*/
button svg g {
    transform-origin: center;
    animation: rotate var(--_ani-speed) linear infinite;
}
@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}