/* 幻灯片 */
#DtBox {height: 100%; overflow: hidden; clear: both; position: relative; z-index: 1;}
#DtBox .Dt {position: relative; z-index: 2; width: 100%; float: left; display: none; background: #000; height: 100%; overflow: hidden;}  
#DtBox .Dt img {display: block; width: 100%; max-height: 500px;}
#DtBox .prev, #DtBox .next {position: absolute;  z-index: 3; width: 50px; height: 50px; background: url(../banner/btn_jt.png) no-repeat; cursor: pointer; top: 50%; margin-top: -25px;}
#DtBox .prev {left: 0; background-position: 0 0;}
#DtBox .next {right: 0; background-position: -50px 0;}
#DtBox .DtBtn {position: absolute; z-index: 3; left: 0; bottom: 10px; width: 100%; display: flex; justify-content: center; flex-wrap: wrap; align-content: flex-end;}
#DtBox .DtBtn a {display: block; width: 20px; height: 20px; position: relative; cursor: pointer;}
#DtBox .DtBtn a::before {content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 10px; height: 10px;border-radius: 50%; background-color: #FFF; transition: background-color 0.3s ease;}
#DtBox .DtBtn a.current::before, #DtBox .DtBtn a:hover::before {background-color: #2561f8;}