.b_page{
    width: 960px;
    margin: 0 auto;
}
.b:before,.b:after{content:'\0020';display:block;overflow:hidden;visibility:hidden;width:0;height:0}
.b:after{clear:both}
.b{zoom:1; margin: 0 auto; width: 960px; position: relative;vertical-align: middle;}
.b > div{
    margin: 0 10px;
    float: left;
}
.b.full > div{
    margin: 0 !important;
}
.b.c_1 > div{
    width: 940px;
}
.b.c_2 > div{
    width: 460px;
}
.b.c_2_l > div:first-child{
    width: 620px;
}
.b.c_2_l > div{
    width: 300px;
}
.b.c_2_r > div:first-child{
    width: 300px;
}
.b.c_2_r > div{
    width: 620px;
}
.b.c_3 > div{
    width: 300px;
}
.b.c_3_l > div:first-child{
    width: 700px;
}
.b.c_3_l > div{
    width: 220px;
}
.b.c_3_r > div:first-child{
    width: 220px;
}
.b.c_3_r > div{
    width: 700px;
}
.b.c_4 > div{
    width: 220px;
}
.b.c_5 > div{
    width: 192px;
    margin-right: 20px;
    margin-left: 20px;
}
.b.c_1.full > div{
    width: 960px;
}
.b.c_2.full > div{
    width: 480px;
}
.b.c_2_l.full > div:first-child{
    width: 560px;
}
.b.c_2_l.full > div{
    width: 400px;
}
.b.c_2_r.full > div:first-child{
    width: 400px;
}
.b.c_2_r.full > div{
    width: 560px;
}
.b.c_3.full > div{
    width: 320px;
}
.b.c_3_l.full > div:first-child{
    width: 720px;
}
.b.c_3_l.full > div{
    width: 240px;
}
.b.c_3_r.full > div:first-child{
    width: 240px;
}
.b.c_3_r.full > div{
    width: 720px;
}
.b.c_4.full > div{
    width: 240px;
}