body,div,p,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,button,input,textarea,th,td{margin:0;padding:0}body{margin:0 auto;font-family:"Montserrat","Microsoft YaHei","Arial";font-size:16px;color:#333;box-sizing:border-box}ul,ol{list-style:none}img{border:none}ul,ol{list-style:none}img{border:none;vertical-align:top}a{color:#333;text-decoration:none}a:hover{text-decoration:none!important}em,i{font-style:normal}input,button,textarea{outline:none}button{margin:0;padding:0;border:0px solid transparent;outline:none;cursor:pointer}button:active{transform:translateY(1px);box-shadow:1px 1px 1px #888888}.clear{clear:both}.le{float:left}.ri{float:right}.re{position:relative}.ab{position:absolute}.w1200{width:1200px;margin:0 auto}.minw1200{min-width:1200px;margin:0 auto}.maxw1200{max-width:1200px;margin:0 auto}.w1{width:100%}.w12{width:120%}.w1920{width:1920px}.imgau img{width:100%;height:auto;width:auto\9;display:block;-ms-interpolation-mode:bicubic}.w1000{width:1000px;margin:0 auto}.a{display:inline-block;width:274px;height:50px;background:#31BA52;border-radius:28px;color:#fff;font-size:14px;line-height:50px;text-align:center;cursor:pointer;margin-top:53px;font-size:20px}