一款环境数据的动画卡片，每一个数据卡片都有一个鼠标悬停的动画效果，鼠标离开则恢复到静止的图标状态。
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页面的head部分，需引入一个CSS样式文件，代码如下：
<link type="text/css" rel="stylesheet" href="css/style.css">页面的body部分，section标签里放了多个SVG标签动画，代码如下：
<section class="title">
<p>每年环境数据统计</p>
</section>
<section class="cards">
<div class="card card--oil">
<div class="card__svg-container">
<div class="card__svg-wrapper">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80">
<filter id="goo">
<feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />
<feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 19 -9" result="goo" />
<feBlend in="SourceGraphic" in2="goo" />
</filter>
<circle cx="40" cy="40" r="39" fill="#6a7a87"/>
<g filter="url(#goo)">
<path id="myTeardrop" fill="#FFFFFF" d="M48.9,43.6c0,4.9-4,8.9-8.9,8.9s-8.9-4-8.9-8.9S40,27.5,40,27.5S48.9,38.7,48.9,43.6z"/>
<path id="TopInit" fill="#FFFFFF" d="M13,10.8c5-5.3,10.7-8.5,18.3-9.8c11.2-1.8,9.2-1.4,17.6,0C58.3,2.7,66,6,69,13.1V-2.7L13-2.8V10.8z"/>
<path id="TopBulb" fill="#FFFFFF" d="M13,10.8c5-5.3,14.8-4,18.3,2.3c4.3,7.7,13.8,7.6,17.6,0c3.4-7,17.1-7.1,20.1,0V-2.7L13-2.8V10.8z" style="visibility: hidden"/>
<path id="TopBulbSm" fill="#FFFFFF" d="M13,10.8c5-5.3,18.5-14,23.3-8.8c3.6,3.9,3.9,4.5,7.6,0c5-6,22.1,3.9,25.1,11V-2.7L13-2.8V10.8z" style="visibility: hidden"/>
<path id="TopRound" fill="#FFFFFF" d="M13,10.8c5-5.3,10.6-6,18.3-6.8c6.5-0.7,10.5-0.8,17.6,0C58.4,5.1,66,6,69,13.1V-2.7L13-2.8V10.8z" style="visibility: hidden"/>
</g>
</svg>
</div>
</div>
<div class="card__count-container">
<div class="card__count-text">
<span class="card__count-text--big">2.5</span> 亿
</div>
</div>
<div class="card__stuff-container">
<div class="card__stuff-icon">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13">
<path fill="#6a7a87" d="M9.4,2L9.2,2.3v0.4v7.6v0.4L9.4,11H3.6l0.3-0.3v-0.4V2.7V2.3L3.6,2H9.4 M12,1H1l1.8,1.7v7.6L1,12h11l-1.8-1.7V2.7L12,1L12,1z"/>
<line fill="none" stroke="#6a7a87" class="st0" x1="3" y1="6.5" x2="10" y2="6.5"/>
</svg>
</div>
<div class="card__stuff-text"> 加仑石油</div>
</div>
</div>
<div class="card card--tree">
<div class="card__svg-container">
<div class="card__svg-wrapper">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80">
<circle cx="40" cy="40" r="39" fill="#6abf60"/>
<g id="Branches">
<polygon id="topBranches" fill="#FFFFFF" points="40.1,19.8 51.2,43.1 29,43.1"/>
<polygon id="botBranches" fill="#FFFFFF" points="40,28 52,54.3 28,54.3"/>
</g>
<rect id="Trunk" x="37.7" y="53.8" fill="#FFFFFF" width="4.7" height="6"/>
<rect id="Particle" x="37.9" y="54.3" fill="#FFFFFF" width="2" height="2"/>
<polygon id="Axe" fill="#FFFFFF" points="0.7,5.3 7.3,5.3 7.3,10.2 4,20.3 0.7,10.2"/>
</svg>
</div>
</div>
<div class="card__count-container">
<div class="card__count-text">
<span class="card__count-text--big">1</span> 千万
</div>
</div>
<div class="card__stuff-container">
<div class="card__stuff-icon">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13">
<polygon fill="none" stroke="#6a7a87" points="3.5,1.5 5.5,1.5 5.5,5 9.5,1.5 9.5,9 11,11.5 2,11.5 3.5,9 "/>
</svg>
</div>
<div class="card__stuff-text"> 树被砍伐</div>
</div>
</div>
<div class="card card--water">
<div class="card__svg-container">
<div class="card__svg-wrapper">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80">
<circle cx="40" cy="40" r="39" fill="#60cbe7"/>
<g id="waveGroup">
<path id="waveTop" fill="#FFFFFF" d="M93,34.1c-3.5,0-5.8-1.1-8.1-4.1h0c-1.6,3-4.9,4.3-8.4,4.3c-3.5,0-6.1-1.3-8.4-4.3h0c-1.6,3-5.1,4.1-8.6,4.1
c-3.5,0-6.6-2-8.6-4.6v0c-2,2.6-4.5,4.3-8,4.3c-3.5,0-6-1.7-8-4.3v0c-2,2.6-5.1,4.5-8.6,4.5c-3.5,0-6.3-1.1-8.5-4.1h0
c-1.6,3-4.9,4.3-8.4,4.3C6,34.3,3.3,33,1.1,30h0c-1.6,3-4.5,4.1-8,4.1c-3.5,0-6-2-8-4.6v0c-2,2.6-5.5,4.3-9,4.3c-3.5,0-6-1.7-9-4.3
v6.6c3,1.5,5.6,2.3,8.6,2.3s6.2-0.9,8.5-2.3c2.2,1.5,5.4,2.3,8.5,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5.4,2.3,8.4,2.3s6.1-0.9,8.4-2.3
c2.2,1.5,5.4,2.3,8.4,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5.3,2.3,8.4,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5.3,2.3,8.4,2.3s6.1-0.9,8.4-2.3
c2.2,1.5,5.3,2.3,8.4,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5,2.3,8,2.3s6-0.9,8-2.3v-6.6C100,32.1,96.5,34.1,93,34.1z"/>
<path id="waveBot" fill="#FFFFFF" d="M98,46.1c-3.5,0-5.8-1.1-8.1-4.1h0c-1.6,3-4.9,4.3-8.4,4.3c-3.5,0-6.1-1.3-8.4-4.3h0c-1.6,3-5.1,4.1-8.6,4.1
c-3.5,0-6.6-2-8.6-4.6v0c-2,2.6-4.5,4.3-8,4.3c-3.5,0-6-1.7-8-4.3v0c-2,2.6-5.1,4.5-8.6,4.5c-3.5,0-6.3-1.1-8.5-4.1h0
c-1.6,3-4.9,4.3-8.4,4.3C11,46.3,8.3,45,6.1,42h0c-1.6,3-4.5,4.1-8,4.1c-3.5,0-6-2-8-4.6v0c-2,2.6-5.5,4.3-9,4.3c-3.5,0-6-1.7-9-4.3
v6.6c3,1.5,5.6,2.3,8.6,2.3s6.2-0.9,8.5-2.3c2.2,1.5,5.4,2.3,8.5,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5.4,2.3,8.4,2.3s6.1-0.9,8.4-2.3
c2.2,1.5,5.4,2.3,8.4,2.3c3,0,6.1-0.9,8.4-2.3c2.2,1.5,5.3,2.3,8.4,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5.3,2.3,8.4,2.3
c3,0,6.1-0.9,8.4-2.3c2.2,1.5,5.3,2.3,8.4,2.3s6.1-0.9,8.4-2.3c2.2,1.5,5,2.3,8,2.3s6-0.9,8-2.3v-6.6C105,44.1,101.5,46.1,98,46.1z"
/>
</g>
</svg>
</div>
</div>
<div class="card__count-container">
<div class="card__count-text">
<span class="card__count-text--big">10</span> 亿
</div>
</div>
<div class="card__stuff-container">
<div class="card__stuff-icon">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 13 13">
<path fill="none" stroke="#6a7a87" d="M1,1.5c0.9,0,0.9,2,1.8,2c0.9,0,0.9-2,1.8-2c0.9,0,0.9,2,1.8,2c0.9,0,0.9-2,1.8-2c0.9,0,0.9,2,1.8,2s0.9-2,1.8-2"/>
<path fill="none" stroke="#6a7a87" d="M1,5.5c0.9,0,0.9,2,1.8,2c0.9,0,0.9-2,1.8-2c0.9,0,0.9,2,1.8,2c0.9,0,0.9-2,1.8-2c0.9,0,0.9,2,1.8,2s0.9-2,1.8-2"/>
<path fill="none" stroke="#6a7a87" d="M1,9.5c0.9,0,0.9,2,1.8,2c0.9,0,0.9-2,1.8-2c0.9,0,0.9,2,1.8,2c0.9,0,0.9-2,1.8-2c0.9,0,0.9,2,1.8,2s0.9-2,1.8-2"/>
</svg>
</div>
<div class="card__stuff-text"> 加仑水</div>
</div>
</div>
</section>页面的底部，需引入jQuery库和两个必要的JS文件，代码如下：
<script type="text/javascript" src='js/jquery.min.js'></script>
<script type="text/javascript" src='js/TweenMax.min.js'></script>
<script type="text/javascript" src="js/index.js"></script>
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