.mainbg {
    background: url(main.jpg) no-repeat center top;
}

.m_logo {
    background: url(logo.png) no-repeat center 60px;
    height: 330px;
    position: relative;
}

.m_logo span {
    display: block;
    width: 112px;
    height: 30px;
    border-radius: 3px;
    background: #b0cff2;
    line-height: 30px;
    color: #1e337e;
    font-size: 16px;
    position: absolute;
    right: 0;
    top: 25px;
    text-align: center;
}

.m_menu {
    margin: 0 auto;
    margin-top: 200px;
    width: 980px;
}

.m_menu a {
    display: inline-block;
    font-size: 28px;
    line-height: 46px;
    text-align: center;
    color: #fff;
    margin-right: 60px;
}

.m_menu a span {
    background: url(cj1.png) no-repeat center 30px;
    display: block;
    border-radius: 10px;
    border: 1px solid #fff;
    width: 138px;
    height: 134px;
}

.m_menu a:hover span.zs,
.m_menu a span.zs {
    background-position: center -318px;
}

.m_menu a:hover span.zc,
.m_menu a span.zc {
    background-position: center -145px;
}

.m_menu a:hover span.sqlc,
.m_menu a span.sqlc {
    background-position: center -664px;
}

.m_menu a:hover span.sq,
.m_menu a span.sq {
    background-position: center -490px;
}

.m_menu a:last-child {
    margin-right: 0;
}

.m_menu a:hover span {
    background: url(cj.png) no-repeat center 30px;
}

.content {
    width: 1200px;
    margin: 0 auto;
}

a:focus,
input:focus,
input:focus,
span:focus,
div:focus {
	outline: thin dotted !important;
	outline: 1px auto -webkit-focus-ring-color !important;
	outline-offset: -2px !important;
}