* {
padding: 0px;
margin: 0px;
color: white;
text-decoration: none;
}
.main {
width: 100%;
height: auto;
background: white;
margin: auto;
}
.nav {
width: 100%;
height: 80px;
background: #AB2328;
}
.logo {
padding-top: 11px;
margin-left: 42px;
width: 272px;
height: 33px;
}
.slides {
text-align: center;
width: 100%;
height: 600px;
background: url(banner.jpg) center;
}
.m_bottom {
margin-top: -157px;
height: auto;
background: #AB2328;
}
.bottom_font {
height: 130px;
line-height: 20px;
padding-top: 50px; 
text-align: center;
font-size: 13px;
color: white;
}
.TencentCloud {
position: relative;
top: 1px;
left: 2px;
width: auto;
height: 1em;
}