*
{
    margin: 0;
    padding: 0;
}
.U_SI
{
    min-width: 490px;
    min-height: 350px;
    position: absolute;
    top: 50%;
    left: 50%;
    padding: 8px;
    background-color: #f9f9f9;
    z-index:111;
}
.U_SI_B
{
    width: 100%;
    height: 100%;
    background-color: rgba(144, 144, 144, 0.60);
    position: fixed;
    top: 0;
    left: 0;
    z-index:9;
}
.U_SI_Box
{
    overflow: hidden;
    width: 100%;
    height: 100%;
}
.U_SI_Img
{
    width: 100%;
    height: 100%;
}
.U_SI_But
{
    background: #2A2A2A;
    height: 35px;
    width: 285px;
    margin: 8px auto 0;
    border-radius: 5px;
}
.U_SI_But li
{
    list-style-type: none;
    float: left;
    padding-left: 7px;
    padding-right: 7px;
    cursor: pointer;
}
.U_SI_But_FI
{
    width: 25px;
    height: 25px;
}

.U_SI_Wrap
{
    position: relative;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width:75%;
    z-index:99;
}
.U_SI_Wrap ul
{
    overflow: hidden;
}
.U_SI_Wrap ul li
{
    list-style-type: none;
    float: left;
}
.U_SI_Wrap img
{
    width: 150px;
    height: 120px;
    padding: 15px;
}
.U_SI_Big_Img
{
    width: 100%;
    height: 100%;
    position: absolute;
    margin: auto;
    left: 0;
    top: -30px;
    bottom: 0;
    right: 0;
    z-index: 99999;
}
.U_SI_Wrap_Img
{
    height: 89%;
}
.U_SI_Button_Wrap
{
    background: #2A2A2A;
    width: 45%;
    overflow: hidden;
    height: 9%;
    margin: auto;
    border-radius: 5px;
}
.U_SI_Big_Img_A
{
    width: 100%;
    height: 97%;
    border: 5px solid#fff;
}
.U_SI_Big_Img ul
{
    overflow: hidden;
    text-align: center;
    margin-top: 3%;
}
.U_SI_Big_Img ul li
{
    display: inline-block;
    list-style-type: none;
    padding-left: 8px;
    padding-right: 8px;
    cursor: pointer;
}
.U_SI_Big_Img ul li img
{
    width: 25px;
    height: 25px;
}
.U_SI_Black
{
    width: 100%;
    height: 100%;
    background: #2A2A2A;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    opacity: 0.5;
}