html, body, div, span,object, iframe, h1, h2,h3, h4, h5, h6, p, blockquote,pre, a, abbr, acronym, address, 
big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
	margin: 0;
	padding: 0
}
a{ text-decoration:none}
ul,li{ list-style:none}

.clear:after{ content:'';
height:0;
display:block;
visibility:hidden;
clear:both}
body{ font-family: arial;}
/******以上为公共修饰******/.menu{ position: fixed;left: 2%; top: 5%;z-index: 6;}
.nav{ position: fixed; left: -300px; top: 6%;z-index: 5; transition: all .3s ease;
-wekit-transition: all .3s ease;
-moz-transition: all .3s ease;
-ms-transition: all .3s ease;
-o-transition: all .3s ease; }

.nav-messig{ width:250px; 
 background: #fff; 
 padding-top: 36px;
  text-align: center; 
   position: absolute; 
   top: 50px; }
.nav-messig span{ display: block; width: 66.7%; margin: 0 auto; padding-bottom: 25px; 
margin-bottom: 53px;}
.nav-messig span:nth-child(1){ font-size: 60px; color: #333;}
.nav-messig span:nth-child(2){ font-size: 45px; color: #333; border-bottom: 1px solid #333;}
.nav-messig span:nth-child(3){ font-size: 45px; color: #333; border-bottom: 1px solid #333;}
.nav-messig span:nth-child(4){ font-size: 45px; color: #333; border-bottom: 1px solid #333;}
.nav-messig a{display: block; 
width: 66.7%; 
margin: 0 auto;
 padding-bottom: 25px;
  margin-bottom: 93px;
  font-size: 20px; color: #333; border-bottom: 1px solid #333;}







.toggle {
    position: absolute;
    cursor: pointer;
    display: none;
    top: 20px;
    z-index: 9980;
    min-height: 24px;
    position: relative;
    top: auto;
    left: auto;
    float: right;
    display: block;
    cursor: pointer;
    box-sizing: content-box;
    font-size: 20px;
    padding-left: 55px;
    line-height: 24px;
    margin-bottom: 30px;
  
}
 .toggle span, .toggle span::before, .toggle span::after {
    position: absolute;
    left: 0;
    height: 4px;
    background: #333;
    transition: all .1s ease;
}
.toggle span {
	border-radius: 3px;
    width: 35px;
    
    top: 50%;
    transform: translateY(-50%);
    transform-origin: 50% 50%;
}
.toggle span::before {
   top: -10px;
}
.toggle span.open{transform: rotate(45deg);	border-radius: 3px;}
.toggle span.open::before{ top:0 ; }
.toggle span.open::after{transform: rotate(-90deg) translate3d(10px, 0, 0);}
.toggle span::before,.toggle span::after {
    content: '';
    width: 100%;
    	border-radius: 3px;
}
.toggle span::after {
    bottom: -10px;
    
}
.footer{ width: 100%; color: #fff; background: #333; text-align: center;}
.footer p{ line-height: 50px; font-size: 12px; color: #999;}
.footer p a{ color: cornflowerblue;}