@font-face {
    font-family: cocon;
    src: url('cocon_ar.ttf');
}
@font-face{
    font-family: cocon_en;
    src: url('cocon.ttf');
}
@font-face {
    font-family: math;
    src: url('u2000.ttf') format("truetype");
}
html
{
    direction: rtl;
}
body
{
    direction: rtl;
    overflow: hidden;
    font-family: cocon;
    text-align: center;
    width: 100%;
    height: 100%;
    overflow: hidden;
    /*background-color: #000;*/
    background-color: transparent;
    font-family: cocon;
    font-size: 25px;
    
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}
.en body {
    font-family: math,cocon_en;
}
#main, #init
{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    background: #fff;
    overflow: hidden;
    display: none;
}
#init
{
    background: url(loading.gif) no-repeat center center #fff;
    display: block;
}
#loading
{
    display: none;
    left: 10px;
    position: absolute;
    top: 10px;
    z-index: 999;
}
#progress
{
    position: absolute;
    height: 10px;
    background-color: #e64c66;
    width: 0px;
    bottom: 0;
    left: 0;
    z-index: 100;
}
#title
{
    font-size: 30px;
    display: inline-block;
    min-width: 290px;
    height: 75px;
    padding: 0 30px;
    margin: 50px auto;
    line-height: 75px;
    position: relative;
    z-index: 2;
}
	#tab_icon .math-eq-item{		
		display:table-cell!important;		
	}
#tabs
{
    width: 100%;
    height: 770px;
    overflow: hidden;
    cursor: default;
    position: absolute;
    top: 0;
    left: 0;
    text-align: center;
}
.en
{
    direction: ltr;
}

.en body
{
    direction: ltr;
}
#tab_intro {
    background-repeat:no-repeat;
    background-position:center ;
}
@media (min-height: 780px)
{
    body
    {
        font-size: 25px;
    }
    #main, #init
    {
        height: 770px;
        width: 1160px;
    }
}
@media (max-height: 780px)
{
    body
    {
        font-size: 20px;
    }
    #main, #init
    {
        height: 500px;
        width: 900px;
    }
    #loading
    {
        left: 7px;
        top: 7px;
    }
    #progress
    {
        height: 7px;
    }
    #title
    {
        font-size: 20px;
        min-width: 220px;
        height: 60px;
        padding: 0 25px;
        margin: 35px auto;
        line-height: 60px;
    }
    #tabs
    {
        height: 500px;
    }
}
.title {
    white-space: nowrap;
}
video.tab_img_0 {
    display: block;
}


#help_box {
    display: table;
    position: absolute;
    width: 515px;
    height: 190px;
    color: #fff;
    background-color: #fff;
    top: 0px;
    left: 0px;
    bottom: 0px;
    right: 0px;
    margin: auto;
    z-index: 63999;
    border-radius: 5px;
}


#help_box .content {
    margin: auto;
    margin-top: 60px;
    padding: 10px 40px;
    color: #000;
    direction: rtl;
}

.en #help_box .content {
    direction: ltr;
}

#help_box_bk {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: #000;
    top: 0;
    left: 0;
    z-index: 63998;
    opacity: .7;
}

#help_box_pst {
    display: inline-table;
    line-height: 45px;
    margin: 25px auto;
    padding: 0 30px;
    cursor: pointer;
    background-color: #497FAE;
    border-radius: 5px;
}

#help_box_pre {
    width: 75px;
    height: 50px;
    line-height: 50px;
    background-color: #497FAE;
    position: absolute;
    top: -25px;
    left: 0;
    right: 0;
    margin: auto;
    border-radius: 5px;
    padding: 0 50px;    
}
.math_roa_2, .math_roc_2 {
    font-size: 1em !important; 
}
@media screen and (max-width: 650px){
	#main{
		zoom:0.62;
	}
  }
@media screen and (min-width: 650px) and (max-width: 700px){
	#main{
		zoom:0.68;
	}  
  }
@media screen and (min-width: 700px) and (max-width: 750px){
	#main{
		zoom:0.75;
	}  
  }
@media screen and (min-width: 750px) and (max-width: 800px){
	#main{
		zoom:0.8;
	}  
  }
@media screen and (min-width: 800px) and (max-width: 850px){
	#main{
		zoom:0.87;
	}  
  }
@media screen and (min-width: 850px) and (max-width: 900px){
	#main{
		zoom:0.94;
	}  
  }
@media screen and (min-width: 900px){
	#main{
		zoom:1;
	}  
  }