/***头部***/
.top{width:100%;position:relative;}
.top img{width:100%;}
/***nav导航***/
.nav{width:100%;}
.nav ul{
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            background: #ffffff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            gap: 0;
            padding: 0;
        }
        .nav ul li {
            width: calc((100% - 6px) / 4);
            height: 2.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            background: #9c1d03;
            cursor: default;
            user-select: none;
            transition: background 0.2s, color 0.2s;
            border-right: 1px solid #fff;
            border-bottom: 1px solid #fff;
        }
        .nav ul li:nth-child(4n) {
            border-right: none;
        }

        .nav ul li:nth-child(n+5) {
            border-bottom: none;
        }

        /***banner***/
        .banner{position: relative;}
		.banner .hd{position: absolute;z-index: 1;bottom: 10px;left: 0;width: 100%;text-align: center;}
		.banner .hd ul{}
		.banner .hd ul li{display: inline-block;width: 8px;height: 8px;border-radius: 50%;background: red;color: red;cursor: pointer;border: 1px solid red;}
		.banner .hd ul li.on{background: #fff;}
		.banner .bd{}
		.banner .bd ul{}
		.banner .bd ul li{}
		.banner .bd ul li a{}
		.banner .bd ul li img{}