body {
  margin: 0;
  padding: 0;
  background: #151515 url("../images/bkg.png") 0 0;
  color: #eaeaea;
  font: 16px;
  line-height: 1.5;
  font-family: Monaco, "Bitstream Vera Sans Mono", "Lucida Console", Terminal, monospace;
}

/* General & 'Reset' Stuff */

.container {
  width: 90%;
  max-width: 600px;
  margin: 0 auto;
}

section {
  display: block;
  margin: 0 0 20px 0;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 20px;
}

li {
  line-height: 1.4 ;
}

/* Header, <header>
   header   - container
   h1       - project name
   h2       - project description
*/

header {
  background: rgba(0, 0, 0, 0.1);
  width: 100%;
  border-bottom: 1px dashed #b5e853;
  padding: 20px 0;
  margin: 0 0 40px 0;
}

header h1 {
  font-size: 30px;
  line-height: 1.5;
  margin: 0 0 0 -40px;
  font-weight: bold;
  font-family: Monaco, "Bitstream Vera Sans Mono", "Lucida Console", Terminal, monospace;
  color: #b5e853;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1),
               0 0 5px rgba(181, 232, 83, 0.1),
               0 0 10px rgba(181, 232, 83, 0.1);
  letter-spacing: -1px;
  -webkit-font-smoothing: antialiased;
}

header h1:before {
  content: "./ ";
  font-size: 24px;
}

header h2 {
  font-size: 18px;
  font-weight: 300;
  color: #666;
}

#downloads .btn {
  display: inline-block;
  text-align: center;
  margin: 0 auto;
}

#downloads .ctn {
  vertical-align: middle;
  margin-left: auto;
  margin-right: auto;
  width: 300px;
}

/* Main Content
*/

#main_content {
  width: 100%;
  -webkit-font-smoothing: antialiased;
}
section img {
  max-width: 100%
}

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
  font-family: Monaco, "Bitstream Vera Sans Mono", "Lucida Console", Terminal, monospace;
  color: #b5e853;
  letter-spacing: -0.03em;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1),
               0 0 5px rgba(181, 232, 83, 0.1),
               0 0 10px rgba(181, 232, 83, 0.1);
}

#main_content h1 {
  font-size: 30px;
}

#main_content h2 {
  font-size: 24px;
}

#main_content h3 {
  font-size: 18px;
}

#main_content h4 {
color: #999;
  font-size: 16px;
}

#main_content h5 {
  font-size: 12px;
  margin: 0 0 5px 0;
}

#main_content h6 {
  font-size: 12px;
  color: #097;
  margin: 0 0 5px 0;
}

dt {
  font-style: italic;
  font-weight: bold;
}

ul li {
  list-style: none;
}

ul li:before {
  content: ">>";
  font-family: Monaco, "Bitstream Vera Sans Mono", "Lucida Console", Terminal, monospace;
  font-size: 13px;
  color: #b5e853;
  margin-left: -37px;
  margin-right: 21px;
  line-height: 16px;
}

blockquote {
  color: #aaa;
  padding-left: 10px;
  border-left: 1px dotted #666;
}

pre {
  background: rgba(0, 0, 0, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px;
  font-size: 14px;
  color: #b5e853;
  border-radius: 2px;
  -moz-border-radius: 2px;
  -webkit-border-radius: 2px;
  text-wrap: normal;
  overflow: auto;
  overflow-y: hidden;
}

table {
  width: 100%;
  margin: 0 0 20px 0;
}

th {
  text-align: left;
  border-bottom: 1px dashed #b5e853;
  padding: 5px 10px;
}

td {
  padding: 5px 10px;
}

hr {
  height: 0;
  border: 0;
  border-bottom: 1px dashed #b5e853;
  color: #b5e853;
}

/* Buttons
*/

.btn {
  display: inline-block;
  background: -webkit-linear-gradient(top, rgba(40, 40, 40, 0.3), rgba(35, 35, 35, 0.3) 50%, rgba(10, 10, 10, 0.3) 50%, rgba(0, 0, 0, 0.3));
  padding: 8px 18px;
  border-radius: 50px;
  border: 2px solid rgba(0, 0, 0, 0.7);
  border-bottom: 2px solid rgba(0, 0, 0, 0.7);
  border-top: 2px solid rgba(0, 0, 0, 1);
  color: rgba(255, 255, 255, 0.8);
  font-family: Helvetica, Arial, sans-serif;
  font-weight: bold;
  font-size: 13px;
  text-decoration: none;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.75);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.btn:hover {
  background: -webkit-linear-gradient(top, rgba(40, 40, 40, 0.6), rgba(35, 35, 35, 0.6) 50%, rgba(10, 10, 10, 0.8) 50%, rgba(0, 0, 0, 0.8));
}

.btn .icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin: 1px 8px 0 0;
  float: left;
}

.btn-github .icon {
  opacity: 0.6;
  background: url("../images/blacktocat.png") 0 0 no-repeat;
}

/* Links
   a, a:hover, a:visited
*/

a {
  color: #63c0f5;
  text-shadow: 0 0 5px rgba(104, 182, 255, 0.5);
}

/* Clearfix */

.cf:before, .cf:after {
  content:"";
  display:table;
}

.cf:after {
  clear:both;
}

.cf {
  zoom:1;
}

/* 示意图相关 格式 */

.out { width:90%; height:400px }
.out div{position: absolute;}

.out .jiantou    { width:65% ; left:11%; bottom:10% }

.out .hacker      { width: 10%; left:  2% ; bottom: 0     }
.out .internet    { width: 12%; left: 22% ; bottom: 22%   }
.out .firewall_1  { width: 10%; left: 33% ; bottom: 29%   }
.out .lan_space   { width: 50%; left: 30% ; bottom: 29%   }
.out .firewall_2  { width: 10%; left: 65% ; bottom: 60%   }
.out .deep_space  { width: 30%; left: 65% ; bottom: 64%   }

/*.out .img_text { position:absolute ; z-index:2; left:5px ; top:10px }*/
.out .linux_img   { width: 10% ; left: 37% ; bottom: 48%  }
.out .windows_img { width: 10% ; left: 44% ; bottom: 42%  }
.out .macos_img   { width: 10% ; left: 51% ; bottom: 36%  }
.out .arm_img     { width: 10% ; left: 44% ; bottom: 55%  }
.out .x86_img     { width: 10% ; left: 51% ; bottom: 49%  }
.out .x64_img     { width: 10% ; left: 58% ; bottom: 43%  }

.out .deep_server { width: 15% ; left: 71% ; bottom: 68%  }


/* 图片闪烁  http://www.nowamagic.net/librarys/veda/detail/2600 */
.overimg{
    position: relative;
    display: block;
    /* overflow: hidden; */
    box-shadow: 0 0 10px #FFF;
}
.light{
    cursor:pointer;
    position: absolute;
    left: －100%;
    top: 0;
    width: －100%;
    height: 100%;
    background-image: -moz-linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));
    background-image: -webkit-linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,0.5),rgba(255,255,255,0));
    transform: skewx(-25deg);
    -o-transform: skewx(-25deg);
    -moz-transform: skewx(-25deg);
    -webkit-transform: skewx(-25deg);
    
}
.overimg:hover .light{
    left:180px;
    -moz-transition:0.5s;
    -o-transition:0.5s;
    -webkit-transition:0.5s;
    transition:0.5s;
}

.m_down { width:90%; height:20px }
.m_down div{ position: absolute; }
.m_down .down_btn{ 
    width: 40%;
    left:  30%;
}

.logo_div{
    float:   left;
}
.logo_block{
    display: inline-block;
    width:   50px;
}
.logo_img { 
    display: inline-block;
    width:   150px ;
    height:  150px ;
}