.nav {
    line-height: 110px;

    position: relative;
    z-index: 2;

    background: #fff;
}

.bg {
    width: 1100px;
    margin: auto;

    background: #fff;
    box-shadow: 0 0 20px 0 #aaa;
}

.banner {
    position: relative;
}

.banner .center {
    overflow: hidden;

    height: 500px;

    background: url('../i/banner.png') 50% 0 no-repeat;
}

.box_1 {
    overflow: hidden;
}

.box_1 .center {
    /* overflow: hidden; */
}

.box_1 .main_img {
    margin-top: -110px;
    margin-left: -460px;
}

.box_1 .btn_0zhe {
    font-size: 36px;
    line-height: 70px;
    position: absolute;
    top: 92px;
    left: 742px;
    display: block;
    width: 253px;
    margin: 0;
    text-align: center;
    color: #fff;
    border-radius: 5px;
    background: #fa4527;
}

.box_1 .btn_0zhe:hover {
    background: #f00;
}

.box_1 .btn_0zhe.disable {
    cursor: default;

    background: #a1a1a1;
}

.warning {
    /* font-family: Arial, SimSun, serif; */
    font-size: 16px;
    line-height: 28px;

    color: #6a6a6a;
    /* background: #eee; */
}

.warning .center {
    width: 1200px;
    padding: 50px 0;
}

.warning p {
    margin: 0;
}

.wrap_btn {
    position: absolute;
    bottom: 530px;
    left: 0;
    width: 100%;
    text-align: center;
}

.wrap_btn .btn {
    font-size: 40px;
    line-height: 95px;

    width: 330px;
    margin: 0 65px 0;

    text-align: center;

    color: #fff;
    border-radius: 10px;
    background: #fa4526;
}

.wrap_btn .btn:hover {
    background: #f00;
}

.wrap_btn .btn.disable {
    cursor: default;

    background: #a1a1a1;
}