* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style-type: none;
}

body {
    background: #ffffff;
    font-family: 'Microsoft YaHei', Verdana, Arial, Helvetica, sans-serif;
}

/*body div{margin:-1px;}*/

.center {
    max-width: 720px;
    margin: auto;
    background: #111111;
    overflow: hidden;
    display: block;
}

.banner {
    position: relative;
    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%;
    height: 50px;
    background: rgba(255, 255, 255, 0.77);
    position: fixed;
    /* left: 0; */
    top: 0;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
}
.ft_img_b {
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
    height: 50px;
    background: rgba(255, 255, 255, 0.77);
    position: fixed;
    /* left: 0; */
    bottom: 0;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
}
.float_button{
    position: absolute;
}
.f_ljyx {
    max-width: 720px;
    margin: 0 auto;
    width: 260px;;
    height: 86px;
    background: rgba(255, 255, 255, 0.77);
    position: relative;
    left: 50px;
    top: 759px;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
    z-index: 999;
    /*border-radius: 50%;*/

}

.f_xzyx {
    max-width: 720px;
    margin: 0 auto;
    width: 260px;;
    height: 86px;
    background: rgba(255, 255, 255, 0.77);
    position: relative;
    right: -150px;
    top: 759px;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
    z-index: 999;
    /*border-radius: 50%;*/
}

@media only screen and (max-width: 700px) {
    .float_button {
        width: 100%;
    }
    .banner img {
        /*width: 100%;*/
        height:139px;
    }
    .f_ljyx {
        max-width: 720px;
        margin: 0 auto;
        width: 140px;
        height: 50px;
        background: rgba(255, 255, 255, 0.77);
        float: left;
        left: 20px;
        top: 439px;
        box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
        z-index: 999;
        /* border-radius: 50%; */

    }

    .f_xzyx {
        max-width: 720px;
        margin: 0 auto;
        width: 140px;;
        height: 50px;
        background: rgba(255, 255, 255, 0.77);
        float: right;
        right: 20px;
        top: 439px;
        box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
        z-index: 999;
        /*border-radius: 50%;*/
    }
}