.banner_container {
    position: relative;
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.banner_container .left_btn {
    position: absolute;
    display: block;
    width: 44px;
    height: 89px;
    background: url(img/banner_arrow.png) no-repeat;
    left: 0px;
    top: 215px;
    cursor: pointer;
    opacity: 0.2;
    filter: alpha(opacity=20);
}

.banner_container .right_btn {
    position: absolute;
    display: block;
    width: 44px;
    height: 89px;
    background: url(img/banner_arrow.png) no-repeat -57px 0;
    right: 0px;
    top: 215px;
    cursor: pointer;
    opacity: 0.2;
    filter: alpha(opacity=20);
}

.banner_container .center {
    width: 1200px;
    height: 500px;
    position: relative;
    margin: 0 auto;
}

.banner_container .banner_box {
    position: absolute;
    width: 990px;
    top: 25px;
    left: 0;
    visibility: hidden;
}

.banner_box .banner_btn {
    display: block;
    width: 180px;
    height: 40px;
    padding-left: 10px;
    background: url(img/dis_more.png) no-repeat 170px 11px;
    line-height: 40px;
    color: #fff;
    text-decoration: none;
    background-color: #481d86;
    cursor: pointer;
    text-transform: uppercase;
    position: relative;
}

.banner_box .banner_btn:hover {
    background-color: #481d86;
}

.banner_box .pic {
    position: absolute;
}

.banner_box .text {
    position: absolute;
    color: #000;
    font-family: Arial, Helvetica, sans-serif;
}

.banner_box .text h2 {
    margin: 0 0 5px 0;
    font-size: 36px;
    line-height: 38px;
}

.banner_box .text h3 {
    margin: 0 0 6px 0;
    font-size: 24px;
    line-height: 26px;
    font-weight: normal;
}

.banner_box .text p {
    margin: 0 0 10px 0;
    font-size: 14px;
    line-height: 20px;
    font-weight: normal;
}

.banner_box#banner_1 .pic {
    top: 70px;
    left: 145px;
}

.banner_box#banner_1 .text {
    width: 264px;
    left: 628px;
    top: 156px;
}

.banner_box#banner_2 .pic {
    top: -33px;
    left: 440px;
}

.banner_box#banner_2 .text {
    left: 165px;
    top: 154px;
}

.banner_box#banner_2 .banner_btn {
    margin-top: 10px;
}

.banner_box#banner_3 .pic {
    top: 45px;
    left: 110px;
}

.banner_box#banner_3 .text {
    left: 640px;
    top: 154px;
    width: 260px;
}

.banner_box#banner_4 .pic {
    top: 110px;
    left: 90px;
}

.banner_box#banner_4 .text {
    left: 640px;
    top: 154px;
    width: 260px;
}

.banner_box h3,
.banner_box p,
.banner_box a {
    text-align: left;
}