*{ margin: 0; padding: 0; text-decoration: none; list-style-type: none;}
body{background: #ffffff;
    font-family: 'Microsoft YaHei',Verdana,Arial,Helvetica,sans-serif;}


.center{max-width: 720px; margin: auto; background: #111111; overflow: hidden; display: block;}
.banner{ width: 100%; height: 100%;}
.banner img{ width: 100%;}
.dw_propt{ width: 100%;min-height: 1.54rem; background:rgba(255,255,255,0.77); position: fixed; left: 0; bottom: 0; box-shadow: 0 0 2px rgba(0,0,0,0.35);}
.ppt_lt{ position: relative;}

.img{ display: block; width: 1.1rem; height: 1.1rem; position: absolute; top: 0.22rem; left: 0.38rem; overflow: hidden;}
.img img{ display: block; width: 100%; height: 100%;}
.ppt_lt .lt_t{ padding: 0.30rem 0 0 1.74rem; color: #333;}
.ppt_lt .lt_t h3{ font-size: 0.4rem;}
.ppt_lt .lt_t span{ font-size: 0.28rem; color: #545454; display: block; margin-top: 0.15rem; }
.ppt_lt_ii .lt_in{ margin: 0 0.3rem; position: relative; }
.ppt_lt .ppt_dw{ display: block; width: 2.1rem; height: 0.9rem; line-height: 0.9rem; background: #43c117; color: #fff; text-align: center; font-size: 0.42rem; border-radius: 0.08rem; position: absolute; top: 0.33rem; right: 0.3rem;}
.ppt_lt_ii .ppt_dw{ width: 100%; left: 0; right: 0}
.max_width{ max-width: 720px; margin:0 auto; }


.wh_float {
    max-width: 720px;
    width: 100%;
    height: 100%;
    position: fixed;
    display: inline-block;
    z-index: 80;
}
.wh_opacity{
    opacity: 0.75;
    background-color: rgba(0, 0, 0, 1) !important;
    background-color: #000;
    filter: alpha(opacity=100);
}

.wh_float2 {
    max-width: 720px;
    height: 100%;
    width: 100%;
    position: fixed;
    display: inline-block;
    opacity: 1;
    z-index: 1000;
}
.ft_img{
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
    background: rgba(255,255,255,0.77);
    position: fixed;
    /* left: 0; */
    top: 0;
    box-shadow: 0 0 2px rgba(0,0,0,0.35);
}