html{overflow-y: scroll;background:#f4f4f4  }
body{width:1002px;margin:0 auto;padding:0;border:0;height:100%;text-align:left;font-size:12px;font-family:microsoft yahei;}
div,li,td,p,select,input,textarea,a,button,input{font:12px microsoft yahei;text-decoration: none}
ul{margin:0px;padding:0px;}
h1,h2,h3,h4,h5,h6{font-weight:normal;}
table { border-collapse:collapse;border-spacing:0;}
ul li {list-style-type: none;}
address, cite, code, em, th {font-style: normal;font-weight: normal;}
img {border: 0pt none;vertical-align: top;}
input, button, textarea,select{margin:0; padding:0;vertical-align:baseline;}
table { margin: 0px auto;}
.fl { float: left;}
.fr {float: right;} 
.win1002{ width:1002px;}
.clear{clear:both;}
.head{width:1002px; height:104px;background: url(../img/tfdx/top_bg.png) no-repeat;}
.head_left{ float:left; width:230px; height:32px; padding:25px 0 0 36px;display:inline;}
.head_right{ float:right; width:350px; height:auto; line-height:25px; padding:2px 2px 0 0;display:inline;} 
.head_right li {list-style: none outside none;}
.head_right  .search {width:275px; float:right; font-style:none;}
.head_right li.search input {border: 1px solid #afacc2;height: 19px;background:#FFFFFF;margin-bottom: 1px;width: 240px;}
.head_right li.search img{border: 1px solid #afacc2; }
.head_right li a{ color:#5c5c5c; text-decoration:none; }
.head_right li a:hover{ color:#4d8cc2; text-decoration:none;font-weight:bold;}
.head_right a{ color:#5c5c5c; text-decoration:none; line-height:30px; padding-left:16px; }
.head_right a:hover{ color:#4d8cc2; text-decoration:none;line-height:30px;padding-left:16px;}
.navbar {  height:37px; line-height:30px; _line-height:32px; z-index:2; padding-top:4px; }

/* common styling */
.menu { position:relative; float:right;width:656px; height:37px; }
.menu ul li a , 
.menu ul li a:visited {display:block; text-decoration:none; width:90px; height:37px; text-align:center; color:#fff; background: url(../img/tfdx/nav_bg1.png)  repeat-x 0 0; line-height:37px; overflow:hidden;}
.menu ul li a.selected:link,.menu ul li a.selected:visited{display:block; text-decoration:none; width:90px; height:37px; text-align:center; color:#fff;  background:#1290d0; line-height:37px; overflow:hidden;}
.menu ul li a:active {color:#fff; background:#1fa1e3;}
.menu ul {padding:0; margin:0;list-style-type: none; }
.menu ul li {float:left; margin-right:1px; position:relative;}
.menu ul li ul {display: none;}
/* specific to non IE browsers */
.menu ul li:hover a {color:#fff; background:#1fa1e3;}
.menu ul li:hover ul {display:block; position:absolute; top:37px; left:0; width:90px;z-index:20;}
.menu ul li:hover ul li a.hide {background:#1290d0; color:#fff;}
.menu ul li:hover ul li:hover a.hide {background:#16a7f8; color:#fff;}
.menu ul li:hover ul li ul {display: none;}
.menu ul li:hover ul li a {display:block; background:#1290d0; color:#fff;}
.menu ul li:hover ul li a:hover {background:#16a7f8; color:#fff;}
.menu ul li:hover ul li:hover ul {display:block; position:absolute; left:86px; top:0;}
.menu ul li:hover ul li:hover ul.left {left:-86px;}
.menu ul li a.selected:link .menu ul li a.selected:visited{font-weight: bold; background:#f00;}

<!--[if lte IE 6]>
.menu ul li a.hide, .menu ul li a:visited.hide {display:none;}
.menu ul li a:hover ul li a.hide {display:none;}
.menu ul li a:hover {color:#fff; background:#16a7f8;}
.menu ul li a:hover ul {display:block; position:absolute; top:37px; left:0; width:92px;}
.menu ul li a:hover ul li a.sub {background:#1290d0; color:#fff;}
.menu ul li a:hover ul li a {display:block; background:#1290d0; color:#fff;}
.menu ul li a:hover ul li a ul {visibility:hidden;}
.menu ul li a:hover ul li a:hover {background:#16a7f8; color:#fff;}
.menu ul li a:hover ul li a:hover ul {visibility:visible; position:absolute; left:92px; top:0; color:#fff;}
.menu ul li a:hover ul li a:hover ul.left {left:-92px;}
<!--[endif]-->

.fla{width:1002px; height:279px;text-align:center;}
.fla .s{width:990px; margin:0 auto;}


#fla{ width:990px; height:279px;margin:0 auto;background: url(../img/tfdx/fla_bg.jpg)  no-repeat; text-align:center; position:relative; overflow:hidden;}
#fla .s{width:990px; }
#fla .s .oUlplay { width:999999px; position:absolute; left:0; top:0;}
#fla .s .oUlplay li{ float:left;}
#fla .s .pre{ cursor:pointer; width:45px; height:45px; background:url(../img/tfdx/l.png) no-repeat; position:absolute; top:110px; left:10px; z-index:10;}
#fla .s .next{ cursor:pointer; width:45px; height:45px; background:url(../img/tfdx/r.png) no-repeat; position:absolute; top:110px; right:10px; z-index:10;}
#fla .s .smalltitle {width:990px; height:10px; position:absolute; bottom:15px; z-index:10}
#fla .s .smalltitle ul{ width:180px; margin:0 auto;}
#fla .s .smalltitle ul li{ width:10px; height:10px; margin:0 5px; border-radius:10px; background:#ffffff; float:left; overflow:hidden;*display:inline;*zoom:1;}
#fla .s .smalltitle .thistitle{ background:#69aaec;}

.ne_1{width:1002px; height:auto;background:  url(../img/tfdx/link_bg_01.png) repeat-y;  }
.ne{width:1002px; height:auto;background: url(../img/tfdx/news_bg.jpg)  no-repeat; padding-top:5px; }
.ne .ce{ line-height:22px; padding-left:15px;font-size:12px;}
.ne .ce .news_1{ float:left; line-height:22px; }
.ne .ce  .gd{ float:left; line-height:22px;}
.ne .ce  .news_1 a{ color:#5c5c5c; text-decoration:none;  line-height:22px;}
.ne .ce  .news_1 a:hover{ color:#4d8cc2; text-decoration:none; line-height:22px;}
.ne .ce  .gd a{ color:#5c5c5c; text-decoration:none;line-height:22px;}
.ne .ce  .gd a:hover{ color:#4d8cc2; text-decoration:none; line-height:22px;}

.ne .ces{  padding:15px 0 8px 15px; font-size:20px;color:#5c5c5c; }
.ne .ces   a{ color:#5c5c5c; text-decoration:none; font-size:20px }
.ne .ces  a:hover{ color:#4d8cc2; text-decoration:none;font-size:20px }
.ne .ces_t{  padding:20px 50px 10px 50px; font-size:16px;color:#5c5c5c; font-weight:bold; margin:10px 0; }
.ne .ces_t   a{ color:#5c5c5c; text-decoration:none; font-size:16px;font-weight:bold; }
.ne .ces_t  a:hover{ color:#4d8cc2; text-decoration:none;font-size:16px;font-weight:bold; }
.ne  .ne_site {padding:5px 10px 5px 50px; width:900px; margin:0 auto; overflow:hidden;border-bottom:#888 1px dashed; }
.ne  .ne_site ul li{ float:left; padding:10px 20px; line-height:45px;  color:#5c5c5c;  width:120px;}
.ne  .ne_site ul li a{  line-height:30px;  color:#5c5c5c; text-decoration:none; }
.ne  .ne_site ul li a:hover{  line-height:30px; color:#4d8cc2; text-decoration:none; }

.ne_left{ float:left;width:670px; margin:25px 19px  10px 27px; height:auto;display:inline; }
.ne_left .ne_left_l{float:left; width:230px;height:auto; margin-right:19px;}
.ne_left .ne_left_l .tit{color:#333; font-size:16px; font-weight:bold; }

.ne_left .ne_left_l .con{  padding:10px ;  margin-top:30px;}
.ne_left .ne_left_l .con img{ float:left; margin-right:10px}
.ne_left .ne_left_l .con span{ line-height:16px; }
.ne_left .ne_left_l .con li{ margin-bottom:30px;  color:#5c5c5c; line-height:17px;}
.ne_left .ne_left_l .con  li span .d{color:#333; font-size:12px; font-weight:bold;line-height:16px;}
.ne_left .ne_left_l  .con  li a{ color:#5c5c5c; text-decoration:none; line-height:18px; }
.ne_left .ne_left_l  .con  li a:hover{ color:#4d8cc2; text-decoration:none;line-height:18px; }
.ne_left .ne_left_l  .con  li  span a{ color:#333; text-decoration:none; line-height:16px; font-size:12px; font-weight:bold; }
.ne_left .ne_left_l  .con  li  span a:hover{ color:#0066cc; text-decoration:none;line-height:16px;  font-size:12px; font-weight:bold;}
.ne_left .ne_left_r{float:left; width:402px;height:auto;margin-left:19px;}
.ne_left .ne_left_r .tit{color:#333; font-size:16px;  font-weight:bold; }
.ne_left .ne_left_r .con{  padding:10px 35px 10px 10px; border-right:#deded8 1px solid; margin-top:30px;}
.ne_left .ne_left_r .con img{ float:left; margin-right:10px}
.ne_left .ne_left_r .con span{ line-height:16px;}
.ne_left .ne_left_r .con li{ margin-bottom:30px; color:#5c5c5c; line-height:17px;}
.ne_left .ne_left_r .con  li span .d{color:#333; font-size:12px; font-weight:bold;line-height:16px;}
.ne_left .ne_left_r  .con  li  span a{ color:#333; text-decoration:none; line-height:16px; font-size:12px; font-weight:bold; }
.ne_left .ne_left_r  .con  li  span a:hover{ color:#0066cc; text-decoration:none;line-height:16px;  font-size:12px; font-weight:bold;}
.ne_left .ne_left_r .con li span .dd{color:#fff; font-size:12px; line-height:16px;}
.ne_left .ne_left_r  .con  li a{ color:#5c5c5c; text-decoration:none; line-height:18px; }
.ne_left .ne_left_r  .con  li a:hover{ color:#4d8cc2; text-decoration:none;line-height:18px; }


.ne_right{ float:right;width:235px;margin:25px 27px 10px 19px;height:auto;display:inline;}
.ne_right .tit{color:#333; font-size:16px; font-weight:bold;}
.ne_right .con1{ line-height:26px; padding:16px 20px 16px 8px; border-top:#e2e5ec 1px solid;border-bottom:#e2e5ec 1px solid; margin-top:10px;}
.ne_right .con1 img{ padding-bottom:12px;}
.ne_right .con1  span a{ color:#555; text-decoration:none; line-height:20px; }
.ne_right .con1 span a:hover{ color:#4d8cc2; text-decoration:none;line-height:20px; }
.ne_right .photo{background:url(../img/tfdx/photo.jpg) no-repeat 0 30px; padding:25px 0 0 54px; height:38px; line-height:22px; color:#555 }
.ne_right .tit_1{ padding-top:25px;color:#333; font-size:16px;  font-weight:bold;}
.ne_right .con_link{ padding-top:15px;}
.ne_right .con_link .lin{FONT-SIZE: 12px; BACKGROUND-COLOR: #ffffff; width: 210px; height:25px; line-height:25px; border-right:#deded8 1px solid;}

.searchCon{ margin-left: 10px;padding-top:5px; width:100%;}
.searchBg{ background-image:url(../img/index/5-searchBg.gif); height:19px; line-height:19px; float:left; width:85%; border-left:1px solid #ccc;}
.searchBg input{color:#888; FONT-SIZE: 12px;padding-left:3px;}
.searchChange/*选择下拉框*/{ float:left; border:0; width:98px; height:19px; background-image:url(../img/index/5-searchBg1.gif); margin:auto; text-align:center;}
.searchMenu{ border:0; float:left; cursor:pointer; background-image:url(../img/tfdx/search_03.png); width:22px; height:19px;}

.ne_c{width:1002px; height:auto;background:  url(../img/tfdx/w_03.png)  repeat-y scroll 0% 0% transparent;}
.ne_c_1{width:1002px; height:auto;background: url(../img/tfdx/news_c.jpg) no-repeat scroll 0% 0% transparent; padding-top:24px; }

.ne_c_left{ float:left;width:185px;  height:auto;  margin-left:15px;}
.ne_c_left  .tit{ padding-left:15px;}
.ne_c_left  .tit_1{ padding:15px 0 0 15px;}
.ne_c_left .co{ line-height:35px; padding:20px 5px 0 25px;; margin-top:65px; }
.ne_c_left .co_1 {padding:20px 10px 0 0;  border-top:#e2e5ec 1px solid; margin-top:15px}
.ne_c_left  .co ul li{ line-height:30px;  font-family:microsoft yahei; }
.ne_c_left  .co  li{ background:url(../img/tfdx/dlist_01.png) no-repeat 0 15px; padding-left:10px; }
.ne_c_left  .co  li a{ color:#5c5c5c; text-decoration:none; line-height:35px;font-weight:bold;font-size:14px;}
.ne_c_left  .co  li a:hover{ color:#4d8cc2; text-decoration:none;line-height:35px;font-weight:bold;font-size:14px;}
.ne_c_left  .co li a.selected:link,.ne_c_left  .co  li a.selected:visited{ color:#4d8cc2; text-decoration:none;line-height:35px; font-size:14px;}
.ne_c_left  .co li  dl{display:none;padding-left:2px;*padding-left:0px;}
.ne_c_left  .co li  dl dt a{color:#747373;line-height:22px;background:none;width:90px;text-align:left;background:url(../img/tfdx/s_40.jpg) no-repeat 0 7px; padding-left:10px;font-size:12px; overflow:hidden}
.ne_c_left  .co li  dl dt a:hover{line-height:22px;width:90px;text-align:left;background:url(../img/tfdx/s_40.jpg) no-repeat 0 7px; padding-left:10px;font-size:12px;overflow:hidden}
.ne_c_left  .co li dl dt a.selected:link,.ne_c_left  .co li  dl dt a.selected:visited{ color:#1843a2;line-height:22px;width:90px;text-align:left;background:url(../img/tfdx/s_40.jpg) no-repeat 0 7px; padding-left:10px;font-size:12px;overflow:hidden;}

.ne_c_right{ float:right;width:760px;margin:0 30px 0 5px;height:auto;}
.ne_c_right .tit_img{padding:0 0 5px 0px; border-bottom:1px #f5f5f5 dashed;margin-bottom:20px;}
.ne_c_right .tit a{padding:10px 0 15px 25px; line-height:28px; font-size:16px; color:#154daa; font-weight:bold;text-decoration:none;}
.ne_c_right .tit a:hover{ padding:10px  0 15px 25px; color:#154daa; text-decoration:none;line-height:28px; font-size:16px;font-weight:bold;}

.ne_c_right .titc ul li{ float:left; padding:0 0 0 12px; }
.ne_c_right .titc ul li a{ color:#000; line-height:28px;text-decoration:none; padding:0px 5px 6px 5px;}
.ne_c_right .titc ul li a:hover{color:#4d8cc2;text-decoration:none;line-height:28px;  padding:0px 5px 6px 5px; }
.ne_c_right .titc .arw{background: url(../img/tfdx/arw2.jpg) no-repeat  -5px 10px;}


.ne_c_right .con{  padding:15px 20px; }
.ne_c_right .con ul li{ line-height:28px;  }
.ne_c_right .con  li{ background:url(../img/tfdx/list_01.png) no-repeat 0 10px; padding-left:20px; }
.ne_c_right .con  li a{ color:#5c5c5c; text-decoration:none; line-height:28px;font-size:14px; } 
.ne_c_right .con  li a:hover{ color:#4d8cc2; text-decoration:none;line-height:28px; font-size:14px; }
.ne_c_right .con ul li span{ float:right;}

.ne_c_right .con  li  .tzz{ background:url(../img/tfdx/list_01.png) no-repeat 0 10px ;padding-left:20px; }
.ne_c_right .con  li  .tzz a{ color:#5c5c5c; text-decoration:none; line-height:28px;font-size:14px; } 
.ne_c_right .con  li  .tzz a:hover{ color:#4d8cc2; text-decoration:none;line-height:28px; font-size:14px; }

.ne_c_right .con .cen{ text-align:center; line-height:22px; width:680px; padding:20px 0 0 0;color:#5c5c5c; }
.ne_c_right .con  .cen a{ color:#5c5c5c; text-decoration:none; line-height:22px; }
.ne_c_right .con  .cen a:hover{ color:#4d8cc2; text-decoration:none;line-height:22px; }
.ne_c_right .con  p{ color:#5c5c5c;line-height:25px;font-size:14px;} 
.ne_c_right .con  p a{ color:#0066cc; text-decoration:none;line-height:25px;font-size:14px;}
.ne_c_right .con  p a:hover{ color:#4d8cc2; text-decoration:none;line-height:25px;font-size:14px;}


.ne_c_right .con h2{ font-size:22px; text-align:center; line-height:22px; color:#505050; } 
.ne_c_right .con h3{line-height:25px;font-weight:bold;padding:2px;width:700px; color:#0066cc;border-bottom:1px dotted #CCCCCC; margin:15px 0 5px 0}
.ne_c_right .con h4{ margin:15px 0 0px 0}
.ne_c_right .con h4 a{ color:#0066cc; font-size:14px;line-height:25px;text-decoration:none; font-weight:bold; }
.ne_c_right .con h4 a:hover{color:#4d8cc2;font-size:14px;text-decoration:none;line-height:25px;font-weight:bold;}

.ne_c_right .con p table tr td{ color:5c5c5c;line-height:auto; font-size:14px;}
.ne_c_right .con_con{padding:10px 20px; line-height:25px;} 
.ne_c_right .con_con h2{ font-size:22px; text-align:center; line-height:30px; color:#505050;} 
.ne_c_right .con_con .cen_con{ border:1px solid #e8e8e8; background:#f7f7f7; text-align:center; line-height:25px;} 
.ne_c_right .con_con .cen_con_1{  text-align:center; line-height:25px;} 
.ne_c_right .con_con p{ color:#5c5c5c;line-height:25px; font-size:14px;}

.ne_c_right .con_con .summary{  line-height:22px; padding-top:10px}
.ne_c_right .con_con img{ padding-right:10px;margin-top:6px;} 
.ne_c_right .con_con ul  li{line-height:25px;width:700px;} 
.ne_c_right .con_ab{padding:10px 15px;  height:auto;} 
.ne_c_right .con_ab  ul li { float:left; padding:3px;}
.ne_c_right .con_ab  li { float:left; padding:2px;margin:5px 10px; width:200px} 
.ne_c_right .con_ab  li  center { line-height:25px;} 
.ne_c_right .con_ab  li a{color:#5c5c5c; text-decoration:none;}
.ne_c_right .con_ab  li a:hover{ color:#4d8cc2; text-decoration:none;}
.ne_c_right .con_link  { padding:15px 20px; } 
.ne_c_right .con_link  ul { padding:10px 20px; text-align:center } 
.ne_c_right .con_link  li {float:left;width:200px;height:50px;text-align:center;background-color: #fff;margin: 0 10px 30px 10px;border: #e5e5e5 1px solid;border-bottom: #e5e5e5 3px solid;padding: 20px 0 0 0;} 
.ne_c_right .con_link  li a{ color:#5c5c5c; text-decoration:none;  }
.ne_c_right .con_link  li a:hover{ color:#4d8cc2; text-decoration:none; }


.ne_c_right .con_link p{ color:#5c5c5c;line-height:25px; font-size:14px;padding: 0 0 15px 0;}
.ne_c_right .con_link  .con_link_d{ width:680px;text-align:center; color:#5c5c5c;line-height:20px; font-size:30px;} 

.ne_c_right .con_link .cen_con{ background:#f7f7f7; text-align:center;} 
.ne_c_right .con_con_1{padding:10px 20px; line-height:22px;} 
.ne_c_right .con_con_1 h2{ font-size:22px; text-align:center; line-height:22px; color:#505050; font-family:microsoft yahei;} 
.ne_c_right .con_con_1 .cen_con{ border:1px solid #e8e8e8; background:#f7f7f7; text-align:center; line-height:25px;} 
.ne_c_right .con_con_1 p{  line-height:22px;}
.ne_c_right .con_con_1 img{ padding:5px 0;}
.ne1{width:1002px; height:auto; background: url(../img/tfdx/news_bg.jpg)  no-repeat;padding:10px 20px;  }
.lin1{width:1002px; height:auto;background: url(../img/tfdx/link_bg_01.png) repeat-y; }

.foo{width:1002px;background: url(../img/tfdx/foot_bg.jpg) no-repeat; text-align:center; padding:55px 0 25px; height:auto; line-height:25px; color:#5c5c5c;}
.foo  a{ color:#5c5c5c; text-decoration:none;  }
.foo a:hover{ color:#4d8cc2; text-decoration:none;}
.foo_c{width:1002px;background: url(../img/tfdx/foot_c.jpg) no-repeat; text-align:center; padding:55px 0 25px; height:auto; line-height:25px; color:#5c5c5c;}
.foo_c  a{ color:#5c5c5c; text-decoration:none;  }
.foo_c a:hover{ color:#4d8cc2; text-decoration:none;}
.pagesite{ text-align:center; line-height:24px; height:24px; margin:10px auto;}

.w270{ float:left; width:270px; margin:auto auto auto 1.020408%;}
.w980{ width:975px;float:center;}
.w700{ float:left; width:700px;}
.mt10{ margin-top:10px;}
.rim05{ border:1px solid #d8d8d8;margin:0;padding:0;}
.LanMu01-1{ background-image:url(../img/tuku/title1-1.gif); width:23px; height:30px; float:left;}
.LanMu01-2{ background-image:url(../img/tuku/title1-2.gif); width:99%; height:30px;float:center;}
.LanMu01-2 a{ font-size:12px;}

.LanMu01-2 span{ line-height:30px; float:left; font-size:14px; font-weight:bold; color:#2b4099;}
.LanMu01-2 em{float:right; padding-right:1%; font-size:12px; line-height:28px;}
.LanMu01-3{ background-image:url(../img/tuku/title1-3.gif); width:10px; height:30px; float:right;}
.sousuoCon{ width:95%; margin:auto; line-height:24px;}
.search_msg{height:30px; line-height:30px; margin:10px 0 10px; border-bottom:#ccc 1px solid; font-weight:bold;}
.search_msg span{ color:#F00; font-weight:bold;}
.ne1{width:1004px; height:auto; background: url(../img/tfdx/news_bg.jpg)  no-repeat;}
.ne1 .con_con{padding:10px 20px; }
.ne1 .tit{padding:10px 20px; }
.ne1 .con_con a{ line-height:40px;padding:5px;color:#5c5c5c; text-decoration:none; }
.ne1 .con_con  a:hover{ color:#4d8cc2; text-decoration:none; line-height:40px;padding:5px;}
.ne1 .con_con span{ font-weight:bold; font-size:14px}



dl.sslist{border-bottom:1px dashed #ccc; line-height:1.8em; padding:10px 0 10px;}
dl.sslist dt{height:30px;}
dl.sslist dt span a,dl.list3 dt span a:visited{font-size:14px; color:#ff3300;}
dl.sslist dt a,dl.list3 dt a:visited{font-size:14px; color:#0033FF;}
dl.sslist dt a:hover{font-size:14px; color:#ff3300;}
dl.sslist dd{color:#000;}
dl.sslist dd.zy{height:50px; text-indent:20px; text-indent:20px; color:#999; overflow:hidden;}

.newsTex/*鍐呭鏍囬*/{ width:97%; margin:auto;}
.newsTex h1{ font-size:28px; padding:20px 0; font-family:"寰蒋闆呴粦","榛戜綋"; text-align:center; line-height:30px;}
.msgbar{ line-height:30px; text-align:center; color:#999; font-size:12px;}
.summary/*鎽樿*/{ border:1px solid #e8e8e8; background:#f7f7f7; padding:8px 2px; width:98%; margin:10px auto; line-height:20px; font-size:12px; color:#727272;}
.newsCon p { width:100%; color:#5c5c5c;line-height:25px;font-size:14px; } 

p#back-to-top{
    position:fixed;
    display:none;
    bottom:100px;
    right:80px;
}
p#back-to-top a{
    text-align:center;
    text-decoration:none;
    color:#d1d1d1;
    display:block;
    width:64px;
    /*使用CSS3中的transition属性给跳转链接中的文字添加渐变效果*/
    -moz-transition:color 1s;
    -webkit-transition:color 1s;
    -o-transition:color 1s;
}
p#back-to-top a:hover{
    color:#979797;
}
p#back-to-top a span{
    background:transparent url(../img/tfdx/sprite.png?1202) no-repeat 6px;
    border-radius:6px;
    display:block;
    height:64px;
    width:56px;
    margin-bottom:5px;
    /*使用CSS3中的transition属性给<span>标签背景颜色添加渐变效果*/
    -moz-transition:background 1s;
    -webkit-transition:background 1s;
    -o-transition:background 1s;
}
#back-to-top a:hover span{
    background:transparent url(../img/tfdx/sprite.png?1202) no-repeat 6px;
}