html+css+js实现简单的交互效果

.index-modeule-three {
  padding-top: 124px;
  padding-bottom: 124px;
}
.modeule-three-title {
  font-size: 48px;
  font-family: "Overpass-Bold";
  line-height: 61px;
  text-align: center;
}
.modeule-three-province {
  width: 1430px;
  margin: auto;
  margin-top: 64px;
  display: flex;
  box-shadow: 5px 5px 8px rgba(0, 0, 0, 0.3);
  height: 600px;
  position: relative;
}
.modeule-three-province-left {
  /* flex: 1; */
  width: 566px;
  position: relative;
  /* padding: 72px; */
  margin: auto;
  height: 100%;
}
.province-description-box {
  width: 422px;
  position: absolute;
  top: 30%;
  left: 72px;
  /* left: 50%; */
  /* transform: translate(-50%, -50%); */
}
.modeule-three-province-title {
  font-size: 36px;
  font-family: "Overpass-Bold";
  line-height: 46px;
}
.modeule-three-province-description {
  font-size: 18px;
  font-family: "Overpass-Light";
  line-height: 36px;
  margin-top: 30px;
}
.modeule-three-province-description span {
  font-size: 22px;
  font-family: "Overpass-Bold";
  line-height: 36px;
  color: #214083;
}
.modeule-three-province-btn {
  font-size: 18px;
  font-family: "Overpass-SemiBold";
  line-height: 36px;
  margin-top: 50px;
  color: #000;
  cursor: pointer;
  transition: all 0.5s;
  cursor: pointer;
  padding-right: 15px;
  padding-left: 15px;
}

.modeule-three-province-btn span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}
.modeule-three-province-btn span:after {
  content: "→";
  position: absolute;
  opacity: 0;
  top: 0;
  right: -10px;
  transition: 0.5s;
}
.modeule-three-province-btn:hover span {
  padding-right: 20px;
  padding-left: 5px;
}
.modeule-three-province-btn:hover span:after {
  opacity: 1;
  right: 0;
}
.modeule-three-province-right {
  width: 864px;
  position: relative;
  background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url(../img/canada.jpg);
  /* background-image: url(../img/canada.jpg); */
  background-size: cover;
  background-repeat: no-repeat;
  /* 使用 filter 属性将颜色转换为灰度 */
  /* filter: grayscale(100%); */
}
/* .modeule-three-province-right::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.4); 调整透明度和颜色以满足需求
  z-index: -1;  将伪元素放在底层，以确保内容位于上层
} */
.modeule-three-right-province-box {
  display: flex;
  /* color: white; */
  align-items: center;
  height: 100%;
  color: #ffffff;
}
.modeule-three-right-province-box > div {
  flex: 1;
  height: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 水平居中 */
  font-family: "Overpass-Bold";
  font-size: 16px;
  line-height: 20px;
}
.modeule-three-right-border {
  border-right: 2px solid white; /* 添加右边框 */
}
.deco {
  display: block;
  width: 6rem;
  height: 6rem;
  opacity: 1;
  transition: 0.1s;
  transform: translateZ(0);
  margin: 0 auto;
}
/* .hovered:hover i {
  background: #ffffff;
  transform: translate3d(-50%, -50%, 0) scale(1); 
}
.hovered:hover:before,
.hovered:hover:after {
  transform: translate3d(-50%, -50%, 0) scale(1);
} */
.hovered i {
  background: #ffffff; /* 将背景颜色更改为白色 */
  transform: translate3d(-50%, -50%, 0) scale(1)!important; /* 悬停时放大中心白点 */
}
.hovered:before,
.hovered:after {
  transform: translate3d(-50%, -50%, 0) scale(1)!important; /* 悬停时放大边上的白圈 */
}
/* .deco em */
.deco i {
  background: hsla(0, 0%, 100%, 0.8);
  border: 1px solid #fff;
  border-radius: 100%;
  height: 2.2rem;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate3d(-50%, -50%, 0) scale(0.5);
  transition: 0.4s;
  width: 2.2rem;
}
.deco:before {
  content: "";
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate3d(-50%, -50%, 0) scale(0.75);
  transition: 0.4s;
  border: 1px solid hsla(0, 0%, 100%, 0.3);
  border-radius: 100%;
  height: 4rem;
  width: 4rem;
}
.deco:after {
  content: "";
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate3d(-50%, -50%, 0) scale(0.75);
  transition: 0.4s;
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  border-radius: 100%;
  height: 6rem;
  width: 6rem;
}
.province-btn {
  display: inline-block;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  color: #ffffff;
  border-radius: 5px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5); /* 添加盒子阴影 */
  transition: background-color 0.2s ease-in-out;
  margin-top: 30px;
}

.province-btn:hover {
  background-color: rgba(
    255,
    255,
    255,
    0.3
  ); /* 鼠标悬停时背景色变为半透明白色 */
}

<div class="modeule-three-province">
            <div class="modeule-three-province-left">
                <div class="province-description-box">
                    <div class="modeule-three-province-title">
                        Leading Solar in Canada
                    div>
                    <div class="modeule-three-province-description">
                        We offer all-inclusive packages that include design, financial planning,
                        installation, and professional maintenance.
                    div>
                    <div class="modeule-three-province-btn">
                        <span>See how our live projects are performingspan>
                        
                    div>
                div>
                <div class="province-description-box" style="display: none;">
                    <div class="modeule-three-province-title">
                        Alberta
                    div>
                    <div class="modeule-three-province-description">
                        <span>649span> Projectsbr>
                        <span>5.1MWspan> Solar Energy Productionbr>
                        <span>36,140span> Equivalent Tress Plantedbr>
                        <span>3,350span> tons Greenhouse Gases Reduced Each Yearbr>
                    div>
                    <div class="modeule-three-province-btn">
                    div>
                div>
                <div class="province-description-box" style="display: none;">
                    <div class="modeule-three-province-title">
                        British Columbia
                    div>
                    <div class="modeule-three-province-description">
                        <span>77span> Projectsbr>
                        <span>0.3 MWspan> Solar Energy Productionbr>
                        <span>44 Equivalentspan> Tress Plantedbr>
                        <span>339 tonsspan> Greenhouse Gases Reduced Each Yearbr>
                    div>
                    <div class="modeule-three-province-btn">
                    div>
                div>
                <div class="province-description-box" style="display: none;">
                    <div class="modeule-three-province-title">
                        Nova Scotia
                    div>
                    <div class="modeule-three-province-description">
                        <span>2,544span> Projectsbr>
                        <span>23 MWspan> Solar Energy Productionbr>
                        <span>137kspan> Equivalent Tress Plantedbr>
                        <span>13kspan> tons Greenhouse Gases Reduced Each Yearbr>
                    div>
                    <div class="modeule-three-province-btn">
                    div>
                div>
                <div class="province-description-box" style="display: none;">
                    <div class="modeule-three-province-title">
                        Prince Edward Lsland
                    div>
                    <div class="modeule-three-province-description">
                        <span>2,260span> Projectsbr>
                        <span>24 MWspan> Solar Energy Productionbr>
                        <span>149kspan> Equivalent Tress Plantedbr>
                        <span>14kspan> tons Greenhouse Gases Reduced Each Yearbr>
                    div>
                    <div class="modeule-three-province-btn">
                    div>
                div>
                <div class="province-description-box" style="display: none;">
                    <div class="modeule-three-province-title">
                        Ontario
                    div>
                    <div class="modeule-three-province-description">
                        <span>2,703span> Projectsbr>
                        <span>25.7 MWspan> Solar Energy Productionbr>
                        <span>159kspan> Equivalent Tress Plantedbr>
                        <span>15kspan> tons Greenhouse Gases Reduced Each Yearbr>
                    div>
                    <div class="modeule-three-province-btn">
                    div>
                div>
            div>
            <div class="modeule-three-province-right">
                <div class="modeule-three-right-province-box">
                    <div class="alb-box p-box modeule-three-right-border">
                        <div>
                            <span class="deco" id="decoAlb"><i>i>span>
                        div>
                        <div>Albertadiv>
                        <div class="province-btn" style="display:none;">Learn Morediv>
                    div>
                    <div class="bc-box p-box modeule-three-right-border">
                        <div>
                            <span class="deco" id="decoBc"><i>i>span>
                        div>
                        <div>
                            British Columbia
                        div>
                        <div class="province-btn" style="display:none;">Learn Morediv>
                    div>
                    <div class="ns-box p-box modeule-three-right-border">
                        <div>
                            <span class="deco" id="decoNs"><i>i>span>
                        div>
                        <div>
                            Nova Scotia
                        div>
                        <div class="province-btn" style="display:none;">Learn Morediv>
                    div>
                    <div class="pei-box p-box modeule-three-right-border">
                        <div>
                            <span class="deco" id="decoPei"><i>i>span>
                        div>
                        <div>
                            Prince Edward Island
                        div>
                        <div class="province-btn" style="display:none;">Learn Morediv>
                    div>
                    <div class="p-box">
                        <div>
                            <span class="deco" id="decoOn"><i>i>span>
                        div>
                        <div>
                            Ontario
                        div>
                        <div class="province-btn" style="display:none;">Learn Morediv>
                    div>
                div>
            div>
        div>

 // 获取左边省份列表的父容器和，所有省份描述盒子
        const provinceContainer = document.querySelector('.modeule-three-province-right');
        const provinceBoxes = document.querySelectorAll('.province-description-box');
        //获取每个省份的按钮
        const provinceBtns = document.querySelectorAll('.province-btn');
        //获取左边每个省份的盒子
        const provinceAllBox = document.querySelectorAll('.p-box');
        //给每个圆点加动态效果
        const decoElementAb = document.getElementById('decoAlb');
        const decoElementBc = document.getElementById('decoBc');
        const decoElementNs = document.getElementById('decoNs');
        const decoElementPei = document.getElementById('decoPei');
        const decoElementOn = document.getElementById('decoOn');
        // 默认显示第一个省份描述盒子
        provinceBoxes[0].style.display = 'block';
        //为每个 .p-box 元素，并为其添加鼠标经过时的监听事件
        provinceAllBox[0].addEventListener('mouseover', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[0].style.display = 'block';
            provinceBoxes[0].style.display = 'none';
            provinceBoxes[1].style.display = 'block';
            decoElementAb.classList.add('hovered');
        });
        provinceAllBox[0].addEventListener('mouseout', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[0].style.display = 'none';
            provinceBoxes[1].style.display = 'none';
            provinceBoxes[0].style.display = 'block';
            decoElementAb.classList.remove('hovered');
        });
        provinceAllBox[1].addEventListener('mouseover', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[1].style.display = 'block';
            provinceBoxes[0].style.display = 'none';
            provinceBoxes[2].style.display = 'block';
            decoElementBc.classList.add('hovered');
        });
        provinceAllBox[1].addEventListener('mouseout', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[1].style.display = 'none';
            provinceBoxes[2].style.display = 'none';
            provinceBoxes[0].style.display = 'block';
            decoElementBc.classList.remove('hovered');
        });
        provinceAllBox[2].addEventListener('mouseover', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBoxes[0].style.display = 'none';
            provinceBtns[2].style.display = 'block';
            provinceBoxes[3].style.display = 'block';
            decoElementNs.classList.add('hovered');
        });
        provinceAllBox[2].addEventListener('mouseout', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[2].style.display = 'none';
            provinceBoxes[3].style.display = 'none';
            provinceBoxes[0].style.display = 'block';
            decoElementNs.classList.remove('hovered');
        });
        provinceAllBox[3].addEventListener('mouseover', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBoxes[0].style.display = 'none';
            provinceBtns[3].style.display = 'block';
            provinceBoxes[4].style.display = 'block';
            decoElementPei.classList.add('hovered');
        });
        provinceAllBox[3].addEventListener('mouseout', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[3].style.display = 'none';
            provinceBoxes[4].style.display = 'none';
            provinceBoxes[0].style.display = 'block';
            decoElementPei.classList.remove('hovered');
        });
        provinceAllBox[4].addEventListener('mouseover', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBoxes[0].style.display = 'none';
            provinceBtns[4].style.display = 'block';
            provinceBoxes[5].style.display = 'block';
            decoElementOn.classList.add('hovered');
        });
        provinceAllBox[4].addEventListener('mouseout', function() {
            provinceContainer.style.backgroundImage = "url()";
            provinceBtns[4].style.display = 'none';
            provinceBoxes[5].style.display = 'none';
            provinceBoxes[0].style.display = 'block';
            decoElementOn.classList.remove('hovered');
        });

优化后的狗屎js，没优化明白，大概这个意思，这个不对的，用上面的就行，这个谁闲的蛋疼可以改着试试

document.addEventListener("DOMContentLoaded", function() {
    // 在这里编写需要执行的 JavaScript 代码
    // 调用数字动画的 js 方法
    startAnimation();

    // 获取左边省份列表的父容器和，所有省份描述盒子
    const provinceContainer = document.querySelector('.modeule-three-province-left .province-description-box');
    const provinceBoxes = document.querySelectorAll('.province-description-box');
    // 获取每个省份的按钮
    const provinceBtns = document.querySelectorAll('.province-btn');
    // 获取左边每个省份的盒子
    const provinceAllBox = document.querySelectorAll('.p-box');

    // 获取每个圆点元素
    const decoElements = [
        document.getElementById('decoAlb'),
        document.getElementById('decoBc'),
        document.getElementById('decoNs'),
        document.getElementById('decoPei'),
        document.getElementById('decoOn')
    ];

    // 默认显示第一个省份描述盒子
    provinceBoxes[0].style.display = 'block';

    // 定义函数处理省份切换效果
    function handleProvinceHover(index, backgroundImageUrl) {
        // 定位到左边的 provinceContainer 元素
        const leftProvinceContainer = document.querySelector('.modeule-three-province-left .province-description-box');
        
        // 清空左边的 provinceContainer 内容
        leftProvinceContainer.innerHTML = '';

        // 设置左边的背景图片
        leftProvinceContainer.style.backgroundImage = `url(${backgroundImageUrl})`;
        provinceBtns[index].style.display = 'block';
        provinceBoxes[index].style.display = 'none';
        provinceBoxes[index + 1].style.display = 'block';
        decoElements[index].classList.add('hovered');
    }

    // 定义函数处理省份离开效果
    function handleProvinceLeave(index) {
        const leftProvinceContainer = document.querySelector('.modeule-three-province-left .province-description-box');

        // 清空左边的 provinceContainer 内容
        leftProvinceContainer.innerHTML = '';

        provinceBtns[index].style.display = 'none';
        provinceBoxes[index + 1].style.display = 'none';
        provinceBoxes[index].style.display = 'block';
        decoElements[index].classList.remove('hovered');
    }

    // 为每个省份添加事件监听
    provinceAllBox.forEach((box, index) => {
        box.addEventListener('mouseover', () => handleProvinceHover(index, getBackgroundImageUrl(index)));
        box.addEventListener('mouseout', () => handleProvinceLeave(index));
    });

    // 获取背景图片的函数
    function getBackgroundImageUrl(index) {
        switch (index) {
            case 0:
                return '/page/index/img/alb.jpg' ?>';
            case 1:
                return '/page/index/img/bc.jpg' ?>';
            case 2:
                return '/page/index/img/ns.jpg' ?>';
            case 3:
                return '/page/index/img/pei.jpg' ?>';
            case 4:
                return '/page/index/img/on.jpg' ?>';
            default:
                return '/page/index/img/canada.png' ?>';
        }
    }
});