.body{overflow:auto}.greeting_body{width:800px;margin:100px auto}.greeting_title{position:relative;font-size:32px;font-weight:700;margin-bottom:50px;text-align:center}.greeting_title:after{content:"";position:absolute;left:47.5%;bottom:54px;width:40px;height:3px;background-color:#00aeff}.greeting_con{width:100%;padding:40px 62px;line-height:1.8;border:1px solid #d3d3d3;box-shadow:3px 3px 5px 5px gray}.greeting_head{font-size:24px;font-weight:700;text-align:center}.greeting_text{font-size:16px}.greeting_text b{color:#06c}@media (max-width:810px){.greeting_body{width:90vw;margin:100px auto}.greeting_title,.greeting_title:after{display:none}.greeting_con{width:100%;padding:0;border:none;box-shadow:none}}