* {
    margin: 0;
    padding: 0;
}
body {
    background-image: url(introduceback.jpg);
    background-repeat: repeat;
    background-position: center 10px;
    background-attachment: fixed;
    width: 1270px;
    margin: 0 auto;
}
.header { 
    margin: 0 auto;
    position: fixed;
    border-top: 8px solid rgba(0, 104, 183, 0.4);
    border-bottom: 3px solid rgba(0, 0, 0, 0.4);
    width: 1268px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
}
h1 {
    display: inline-block;
    text-align: center;
    margin-top: 80px;
    width: 1040px;
    margin-left: 216px;
    margin-right: 5px;
    border-bottom: 2px solid #0068B7;
    background-color: rgba(255, 255, 255, 0.5);
}
.LOGO {
    width: 160px;
    height: 60px;
    float: left;
}
.back {
    float:right;
    margin-top: 30px;
    margin-right: 20px;
    background-color: #0068B7;
    border-color: #ffffff;
    color: #ffffff;
    width: 80px;
    font-weight: 700;
}
.box {
    margin: 0 auto;
    width: 1260px;
}
.box01 {
    float: right;
    width: 1040px;
    margin-top: 10px;
    margin-right: 10px;
    height: 320px;
    background-color: rgba(255, 255, 255, 0.5);
}
.pic {
    float: left;
    margin-top: 10px;
    margin-left: 10px;
    
}
img {
    height: 300px;  
}
table {
    float: right;
    width: 800px;
    height: 300px;
    margin-top: 10px;
    margin-right: 5px;
}
table, td {
    border: 2px solid #0068B7;
    border-collapse: collapse;
    font-size: 14px;
    text-align: center;
}
.sidebar {
    float: left;
    position: fixed;
    width: 200px;
    margin-top: 80px;
    margin-left: 5px;
    background-color: rgba(255, 255, 255, 0.5);
}
h3 {
    display: inline-block;
    height: 40px;
    color: #0068B7;
    line-height: 40px;
    
}
ul {
    border-left: 2px solid white;
    border-bottom: 40px solid rgba(255, 255, 255, 0.1);
}
li {
    list-style-type: none;
}
li>a {
    display: inline-block;
    font-size: 20px;
    height: 50px;
    line-height: 50px;
    padding-left: 20px;
    padding-right: 30px;
    border: 1px solid #ffffff;
    color: #0068B7;
    text-decoration: none;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;

}
li>a:hover {
    color: #ffffff;
    width: 156px;
    height: 50px;
    line-height: 50px;
    padding-left: 20px;
    padding-right: 20px;
    background-color: rgba(0, 104, 183, 0.5);
}
.box02 {
    margin: 0 auto;
    float: right;
    margin-right: 10px;
    width: 1020px;
    height: 170px;
    padding: 10px;
    float: left;
    margin-left: 210px;
    padding-top: 20px;
    background-color: rgba(255, 255, 255, 0.5);
    margin-top: 10px;
}
.box03 {
    margin: 0 auto;
    float: right;
    margin-right: 10px;
    width: 1020px;
    height: 330px;
    padding: 10px;
    float: left;
    margin-left: 210px;
    padding-top: 20px;
    background-color: rgba(255, 255, 255, 0.5);
    margin-top: 10px;
}
a {
    text-decoration: none;
    color: #0068b6;
}