body, html {
    background-color: rgb(229, 229, 229);
    font-family: sans-serif;
}

.header-wrapper {
    background-color: rgb(2, 22, 66);
}

#header {
    width: 980px;
    height: 90px;
    overflow: hidden;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    background-color: #02184a;
}

#header h1 {
    width: 460px;
    height: 90px;
    overflow: hidden;
    text-indent: -99em;
    background-image: url(logo_seclab.png);
    position: absolute;
    top: 0;
    left: 0;
}

#header small {
    width: 350px;
    height: 90px;
    overflow: hidden;
    text-indent: -99em;
    background-image: url(logo_hdu.png);
    position: absolute;
    top: 0;
    right: 72px;
}

.navi-wrapper {
    background-color: rgb(19, 44, 100);
}

#navi {
    width: 980px;
    height: 40px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    background-color: #15316f;
}

#navi ul.menu {
    position: absolute;
    top: 0;
    left: 0;
    height: 40px;
    font-size: 14px;
    z-index: 200;
}

#navi ul.menu li {
    display: block;
    float: left;
    position: relative;
    z-index: 200;
}

#navi ul.menu li a {
    display: block;
    height: 40px;
    line-height: 40px;
    color: white;
    padding-left: 1em;
    padding-right: 1em;
    text-decoration: none;
}

#navi ul.menu li a:hover {
    background-color: rgb(2, 22, 66);
}

#navi ul.menu li ul a {
    text-align: center;
    width: 100%;
}

#navi ul.menu li ul {
    display: none;
    position: absolute;
    background-color: rgb(19, 44, 100);
}

#navi ul.menu li:hover a {
    background-color: rgb(19, 44, 100);
}

#navi ul.menu li:hover ul {
    display: block;
}

#navi ul.menu li ul li {
}

#navi form.search {
    position: absolute;
    top: 0;
    right: 20px;
    height: 40px;
    overflow: hidden;
}

#navi form.search input {
    background-image: url(header-search-bg.png);
    height: 30px;
    line-height: 30px;
    background-color: #41588a;
    width: 140px;
    padding-left: 35px;
    padding-right: 15px;
    border: none;
    outline: none;
    color: #acb6cc;
    font-size: 12px;
    margin-top: 5px;
}

#navi form.search input::-webkit-input-placeholder, #navi form.search input:-moz-placeholder, #navi form.search input::-moz-placeholder, #navi form.search input:-ms-input-placeholder {
    color: #acb6cc;
}

#footer {
    width: 920px;
    margin-left: auto;
    margin-right: auto;
    padding: 10px 30px;
    font-size: 12px;
    line-height: 1.5em;
    color: #fff;
    border-top: solid 3px #0E1343;
    background-color: #333;
    background-image: url(footer-bg.png);
    background-size: 100% 100%;

}

#main {
    width: 980px;
    height: auto;
    margin: 0 auto;
    background-color: #fff;
    font-family: "微软雅黑", sans-serif;
}

#page-header {
    position: relative;
    border-bottom: 1px solid #CCC;
}

#page-header .page-title {
    padding-left: 40px;
    padding-top: 30px;
    font-size: 22px;
    font-weight: bold;
}

#page-header .page-desc {
    position: relative;
    height: 60px;
    line-height: 60px;
    padding-left: 40px;
}

#page-header .related-links {
    position: absolute;
    right: 50px;
    bottom: 20px;
}

#page-header .related-links a {
    text-decoration: none;
    color: rgb(21, 49, 111);
}

#page-header .related-links a:hover {
    text-decoration: underline;
    color: #009;
}

#page-header .sub-links {
    padding-left: 40px;
    padding-bottom: 20px;
}

#page-header .sub-links li {
    display: inline-block;
    margin-right: 10px;
}

#page-header .sub-links li.current a {
    color: #333;
}

#page-header .sub-links li:before {
    content: '☐ ';
}

#page-header .sub-links li a {
    text-decoration: none;
    color: rgb(21, 49, 111);
}

#page-header .sub-links li a:hover {
    text-decoration: underline;
}