/* 评价*/
b.opinion_1
{
    color:red;
    font-weight:bold;
}
b.opinion_2
{
    color:gray;
    font-weight:bold;
}
b.opinion_3
{
    color:green;
    font-weight:bold;
}
b.opinion_4
{
    color:gold;
    font-weight:bold;
}

b.opinion_5
{
    color:orange;
    font-weight:bold;
}