#main {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #F6F6F6;
    flex-direction: column;
}

.content {
    width: 1200px;
    /* height: 3947px; */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.top {
    width: 100%;
    height: 100px;
    background-color: #fff;
    display: flex;
    justify-content: center;
}

.logo-box {
    width: 1200px;
    display: flex;
    justify-content: flex-start;
}

.logo {
    width: 447px;
    height: 100%;
    background: url(images/logo.png) no-repeat;
    background-size: 100% 100%;
}

.banner {
    width: 100%;
    height: 980px;
    background:url(images/banner.png) no-repeat;
    background-size: 100% 100%; 
}

.content_txt_box {
    width: 1200px;
    height: 2600px;
    position: relative;
    top: -200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #F6F6F6;
}

.content_txt {
    width: 1400px;
    height: 500px;
    background-color: #fff;
    z-index: 999;
    margin-left: -100px;
    display: flex;
    justify-content: center;
}

.banner_bg {
    width: 380px;
    height: 140px;
    background: url(../images/banner_bg.png) no-repeat;
    background-size: 100% 100%;
    position: relative;
    top: -88px;
}

.introduce {
    width: 1200px;
    height: 500px;
    color: #666;
    font-size: 16px;
    line-height: 40px;
    background-color: #fff;
}

.company_name {
    font-size: 20px;
}

.service {
    width: 100%;
    height: 100px;
    color: #0C2176;
    font-size: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}

.p-txt {
    position: relative;
    left: -50px;
}

.f {
    width: 100px;
    height: 100px;
}

.bg {
    width: 45px;
    height: 30px;
    position: relative;
    left: -20px;
    bottom: -30px;
}

.type-box {
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin-top: 100px;
}

.type {
    width: 315px;
    height: 307px;
    background: #3D4E8C;
    border-radius: 0px 0px 60px 0px;
    position: relative;
    color: #fff;
    font-size: 16px;
    line-height: 25px;
    margin-right: 20px;
}

.type-top {
    padding: 0 30px;
    height: 50px;
    line-height: 50px;
    background-color: #C8A264;
    position: absolute;
    top: -20px;
    left: 0;
    border-radius: 25px 0 50px 0;
    font-size: 26px;
    color: #fff;
    text-align: center;
}

.p-box {
    padding: 50px 30px 0;
}

.details-box {
    width: 100%;
    height: 1500px;
    background-color: #fff;
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.txt-box {
    width: 1000px;
    font-size: 16px;
    color: #666666;
    margin-top: 200px;
}

.txt-box .txt {
    height: 30px;
    line-height: 30px;
}

.txt-box .txts {
    height: 60px;
}

.txt-box .txt-weight {
    font-size: 20px;
    font-weight: 600;
    color: #000;
    margin-bottom: 30px;
}

.a-box {
    width: 300px;
    height: 230px;
    position: absolute;
    right: 100px;
    top: 250px;
}

.txt-box2 {
    width: 1000px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
}

.b-box {
    width: 289px;
    height: 278px;
    margin-right: 100px;
}

.txt-box2 .txt {
    height: 30px;
    line-height: 30px;
}

.txt-box2 .txts {
    height: 60px;
}

.txt-box2 .txt-weight {
    font-size: 20px;
    font-weight: 600;
    color: #000;
    margin-bottom: 30px;
}

.c-box {
    width: 312px;
    height: 273px;
    margin-left: 100px;
}

.bottom {
    width: 100%;
    height: 200px;
    background-color: #273D7E;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    font-size: 16px;
    color: #fff;
}