.search_text{display: block;width: 100%;padding: 0 70px 0 20px;font-size: 16px; height: 30px;box-sizing: border-box;}
.search_box{min-width: 500px;margin: 0 auto;position: relative;padding-right: 50px; padding: 5px 0;background: #fff;}

/**组件**/