.banner_wrap{
    width: 100vw;
    height: 56vw;
    position: relative;
    background-color: #000;
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url("../img/banner_bj.png");
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    font-family: 'Noto Serif SC';
    text-align: center;
    line-height: 1.5;
}
.banner_wrap .logo_icon{
    width: 11.66vw;
    height: 3.59vw;
    position: absolute;
    left: 3.2vw;
    top: 3vw;
}
.header_navigation{
    position: absolute;
    top: 3vw;
    right: 3.2vw;
    display: flex;
    font-size: 1.6vw;
}
.header_navigation a{
    color: #576C59;
    margin: 0 1vw;
}
.title_h1{
    font-size: 6.6vw;
    font-weight: 600;
    font-family: Playfair;
}
.title_h1_msg{
    font-size: 2.4vw;
    padding-bottom: 6vw;
}
.title_h2{
    font-size: 3.333vw;
    font-weight: 600;
    color: #000;
}
.title_h2_msg{
    width: 94vw;
    font-size: 1.666vw;
    margin: 1vw auto 0;
}
.white_color{
    color: #fff!important;
}
.text_align_center{
    text-align: center!important;
}
.introduce_wrap{
    color: #576C59;
    text-align: center;
    padding-top: 5vw;
}
.introduce_center{
    width: 92vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.5vw auto 4vw;
    padding-left: 5vw;
}
.map_img{
    width: 28.02vw;
    height: 23.59vw;
}
.introduce_list{
    display: flex;
    justify-content: space-between;
    width: 57vw;
    padding-top: 1vw;
}
.introduce_item{
    flex: 1;
    flex-shrink: 0;
}
.introduce_item .introduce_msg{
    font-size: 2.0833vw;
}
.introduce_item .introduce_value{
    width: 9.2vw;
    height: 9.2vw;
    line-height: 8.65vw;
    border: .26vw solid #000;
    border-radius: 50%;
    margin: 1vw auto;
    font-size: 3.333vw;
}
.advantage_wrap{
    background: url('../img/service_bj.png') no-repeat top;
    background-size: 100% 100%;
    height: 28.5vw;
    padding-top: 6vw;
    margin-bottom: 18vw;
}
.advantage_list{
    margin: 0 auto;
    width: 75vw;
    padding-top: 6vw;
    display: flex;
    justify-content: space-between;
    position: relative;
}
.advantage_list .advantage_item{
    background: #fff;
    height: 23.4375vw;
    padding: 1.8vw 0;
    width: 23.4375vw;
}
.advantage_list .service_icon{
    width: 2.5vw;
    height: 2.5vw;
    display: block;
    margin: 0 auto .8vw;
}
.advantage_list .advantage_title{
    font-size: 1.66667vw;
    font-weight: 600;
    margin-bottom: .6vw;
    text-align: center;
}
.advantage_list .advantage_msg{
    font-size: 1.25vw;
    text-align: left;
    padding-left: 3.6vw;
    position: relative;
}
.advantage_list .advantage_msg::after{
    content: '';
    display: block;
    position: absolute;
    left: 2.4vw;
    top: .8vw;
    width: .44vw;
    height: .44vw;
    background: #000;
    border-radius: 50%;
}

.process_list{
    width: 90vw;
    margin: 2.6vw auto 5vw;
    display: flex;
    justify-content: space-between;
}
.process_item{
    width: 20vw;
    flex-shrink: 0;
}
.process_item .process_icon{
    width: 5vw;
    height: 5vw;
    border-radius: 50%;
    background: #576C59;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}
.process_item .process_icon img{
    width: 2.916vw;
    height: 2.916vw;
}
.process_item .process_title{
    font-size: 1.66667vw;
    font-weight: 600;
    margin-bottom: 2vw;
    margin-top: 1vw;
    text-align: center;
}
.process_item .process_msg{
    font-size: 1.25vw;
    padding-left: 1.6vw;
    position: relative;
}
.process_item .process_msg::after{
    content: '';
    display: block;
    position: absolute;
    left: .4vw;
    top: .8vw;
    width: .44vw;
    height: .44vw;
    background: #000;
    border-radius: 50%;
}

.masking_wrap{
    background: url('../img/advantage_bj.png') no-repeat 50%;
    background-size: 100% 100%;
    height: 44.2vw;
    position: relative;
    width: 100%;
}
.masking_wrap .masking_center{
    background: rgba(0, 0, 0, 0.25);
    color: #fff;
    height: 39.5vw;
    padding: 1.8583vw 6vw 0 4.4vw;
    position: absolute;
    right: 0;
    top: 2.5vw;
    width: 56vw;
}
.masking_wrap .masking_center p{
    font-size: 1.25vw;
}
.masking_wrap .masking_center .high_weight{
    font-size: 1.66667vw;
    font-weight: 600;
    margin-top: 1.5vw;
    margin-bottom: .7vw;
}

.customer_advantage{
    align-items: center;
    background: #eff1f1;
    border-bottom: 9.58333vw solid #576C59;
    border-top: 10vw solid transparent;
    box-sizing: border-box;
    display: flex;
    height: 34.89583vw;
    justify-content: center;
    width: 100%;
}
.customer_advantage .title_h2{
    margin-bottom: 15vw;
    margin-right: 3vw;
}
.customer_advantage_list{
    display: flex;
    justify-content: space-between;
    width: 61.45833vw;
}
.customer_advantage_item{
    height: 21.97917vw;
    width: 18.80208vw;
    position: relative;
}
.customer_advantage_item img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.customer_advantage_item .advantage_text{
    background: rgba(255, 255, 255, 0.90);
    bottom: 0;
    color: #000;
    width: 15.9375vw;
    height: 18.85417vw;
    left: 0;
    margin: auto;
    padding: 1vw 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
}
.customer_advantage_item .advantage_title{
    font-size: 1.5vw;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2vw;
}
.customer_advantage_item .advantage_msg{
    padding: 0 .5vw 0 1.5vw;
    font-size: 1.18vw;
    color: #576C59;
}

.internet_content_provider{
    height: 7vw;
    display: flex;
    justify-content: center;
    align-items: center;
}
.internet_content_provider a{
    font-size: .8333vw;
    margin: 0 1vw;
}

@media (max-width: 800px) {
    .banner_wrap .logo_icon{
        width: 20vw;
        height: 6.12vw;
    }
    .title_h2{
        font-size: 4.4vw;
    }
    .header_navigation{
        top: 3vw;
        right: 4.5vw;
        font-size: 2.8vw;
    }
    .header_navigation a{
        margin: 0 2vw;
    }
    .title_h2_msg{
        width: 92vw;
        font-size: 3vw;
        margin-top: 3vw;
    }
    .introduce_center{
        width: 100vw;
        padding: 0 3vw;
        margin: 3vw auto 6vw;
    }
    .introduce_wrap{
        padding-top: 7vw;
    }
    .introduce_list{
        width: 65vw;
    }
    .introduce_item .introduce_value{
        width: 11vw;
        height: 11vw;
        line-height: 10.55vw;
        font-size: 3.8vw;
    }
    .introduce_item .introduce_msg{
        font-size: 2.5vw;
    }
    .advantage_wrap{
        margin-bottom: 32vw;
    }
    .advantage_list{
        width: 94vw;
    }
    .advantage_list .advantage_item{
        height: 34vw;
        width: 30vw;
    }
    .advantage_list .service_icon{
        width: 5vw;
        height: 5vw;
    }
    .advantage_list .advantage_title{
        font-size: 2.8vw;
    }
    .advantage_list .advantage_msg{
        font-size: 1.8vw;
        padding-left: 2.6vw;
    }
    .advantage_list .advantage_msg::after{
        left: 1.5vw;
    }
    .process_list{
        width: 96vw;
    }
    .process_item{
        width: 23vw;
    }
    .process_item .process_icon{
        width: 8vw;
        height: 8vw;
    }
    .process_item .process_icon img{
        width: 5vw;
        height: 5vw;
    }
    .process_item .process_title{
        font-size: 3vw;
    }
    .process_item .process_msg{
        font-size: 1.8vw;
    }
    .masking_wrap{
        background-size: cover;
        height: 66vw;
    }
    .masking_wrap .masking_center{
        height: 56vw;
        top: 5vw;
        width: 82vw;
    }
    .masking_wrap .masking_center .high_weight{
        font-size: 3vw;
    }
    .masking_wrap .masking_center p{
        font-size: 2vw;
    }
    .customer_advantage{
        flex-direction: column;
        border-bottom: 24vw solid #576C59;
        border-top: 20vw solid transparent;
        height: 64vw;
    }
    .customer_advantage .title_h2{
        margin-bottom: 5vw;
    }
    .customer_advantage_list{
        width: 94vw;
    }
    .customer_advantage_item{
        width: 30vw;
        height: 35vw;
    }
    .customer_advantage_item .advantage_text{
        width: 25vw;
        height: 30vw;
    }
    .customer_advantage_item .advantage_title{
        font-size: 2.6vw;
    }
    .customer_advantage_item .advantage_msg{
        font-size: 2vw;
    }
    .internet_content_provider{
        height: 20vw;
    }
    .internet_content_provider a{
        font-size: 2vw;
    }
}