body{
    margin: 0px auto;
    padding: 0px;
    font-family: Arial,​Helvetica,​sans-serif;
    font-size: 15px;
    background-image: url('../img/dai.png');
    background-position: center top;
}

.arc{
    width: 960px;
    margin: 0px auto;
    background: #fff;
}

.ant{
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    margin-bottom: 5px;
}

.arctop{
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    margin-bottom: 50px;
}

.arctop ul li span:hover{
    cursor: pointer;
}
.arctop ul{
    list-style-type: none;
    text-align: center;
}

.arctop ul li{
    display: inline;
}

.arctop ul li span,
.arctop ul li a{
    text-decoration: none;
    color: #000;
    margin-right: 17px;
    font-weight: bold;
}

.arctop ul li span:hover,
.arctop ul li a:hover{
    color: #c3c3c3;
    text-decoration: underline;
}

.arcm{
    width: 100%;
    width: 100%;
    margin-bottom: 70px;
}
.arcm p{
    padding-left: 30px;
    padding-right: 30px;
}

.act{
    color: #c3c3c3 !important;
    text-decoration: underline !important;
}
.arcm h2{
    text-align: center;
    font-family: cursive;
    margin-top: 10px;
    margin-bottom: 15px;
}

.arcb{
    width: 100%;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    margin-bottom: 30px;
}

.arcb img{
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

.arcm img{
    display: block;
    margin: 0px auto;
    margin-top: 15px;
    margin-bottom: 15px;
    border: 1px solid #c3c3c3;
    border-radius: 10px;
}

.arcb ul{
    list-style-type: none;
    text-align: center;
}

.arcb ul li{
    display: inline;
    margin-top: 10px;
    margin-bottom: 0px;
}

.arcb ul li span{
    color: #000;
    font-weight: bold;
    margin-right: 10px;
}
.arcb ul li span:hover{
    cursor: pointer;
    color: #c3c3c3;
    text-decoration: underline;
}