#iconDiv1 { display: none; }
.oc_bg { background: url(../images/onlineContact_bg.png) no-repeat; }
.btn { display: inline-block; text-decoration: none; cursor: pointer; }
#big_C { position: fixed; _position: absolute; width: 89px; height: 321px; right: 0px; top: 200px; }
#big_C .btn1 { position: absolute; width: 19px; height: 19px; top: 70px; right: 0px; background-position: -176px -83px; }
#big_C .btn2 { position: absolute; width: 63px; height: 63px; top: 118px; left: 13px; background-position: -103px -13px; }
#big_C .btn2:hover { background-position: -171px -13px; }
#big_C .btn3 { position: absolute; width: 68px; height: 24px; top: 188px; left: 10px; background-position: -101px -202px; }
#big_C .btn3:hover { background-position: -101px -174px; }
#big_C .btn4 { position: absolute; width: 68px; height: 24px; left: 10px; top: 220px; background-position: -173px -202px; }
#big_C .btn4:hover { background-position: -173px -174px; }
#big_C .btn5 { position: absolute; width: 68px; height: 24px; top: 250px; left: 10px; background-position: -101px -260px; }
#big_C .btn5:hover { background-position: -101px -231px; }
#big_C .btn6 { display: none; position: absolute; width: 29px; height: 85px; top: 140px; left: -25px; background-position: -135px -84px; }
#big_C .btn6:hover { background-position: -101px -84px; }

#big_C .btn7 { position: absolute; width: 68px; height: 28px; top: 283px; left: 15px; background-position: -170px -289px; }
#big_C .btn7:hover { background-position: -99px -289px; }

#small_C { position: fixed; _position: absolute; width: 28px; height: 91px; right: 1px; top: 300px; background-position: -250px -174px; }
#small_C .btn1 { display: none; position: absolute; width: 28px; height: 28px; left: 0px; bottom: -28px; background-position: -207px -108px; }
#small_C .btn1:hover { background-position: -175px -108px; }
#small_C .stb { position: absolute; width: 28px; height: 91px; right: 1px; top: 0px; }
#big_C #wx { display: none; width: 150px; height: 150px; position: absolute; top: 220px; left: -150px; }