.nat-content {
    width: 907px;
    height: 88px;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 24px;
    margin: auto;
    margin-top: 39px;
    text-align: center;
    font-weight: 600;
}

.nat-content-m {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 24px;
    margin: auto;
    margin-top: 39px;
    text-align: left;
    font-weight: 700;
    display: none;
}

.nat-info {
    padding-top: 51px;
    padding-bottom: 57px;
    background-color: #F7F7F7;
}

.gateway-features {
    padding-top: 67px;
    padding-bottom: 72px;
}

.gateway-features li {
    float: left;
    width: 30%;
    height: 372px;
    background: #FFFFFF;
    border: 1px solid #EDEDED;
    margin-right: 51px;
    padding: 40px 37px;
}

.gateway-features li:hover {
    box-shadow: 0px 0px 43px 0px rgba(0, 0, 0, 0.08);
}

.gateway-features ul li:nth-child(3n) {
    margin-right: 0;
}

.gateway-features .m58 {
    margin-bottom: 58px;
}

.gateway-features ul li:nth-child(4),
.gateway-features ul li:nth-child(5),
.gateway-features ul li:nth-child(6) {
    margin-top: 48px;
}

.gateway-features .item .tit {
    padding-bottom: 24px;
    font-size: 18px;
    border-bottom: solid 2px #ed6827;
}

.gateway-features li .item img {
    max-height: 90px;
}

.gateway-features .item .txt {
    font-size: 14px;
    line-height: 22px;
    width: 100%;
    margin-top: 24px;
    color: #333333;
}

.scene-case {
    padding: 51px 0 49px 0;
    background: #F7F7F7;
    height: 428px;
}

.scene-case .tab {
    float: left;
    height: 248px;
    border-right: 2px solid #D2D2D2;
    margin-left: 44px;
    font-weight: 700;
}

.scene-case .tab .tab-list {
    transition: all 30ms;
    margin-right: -2px;
}

.scene-case .tab div {
    width: 208px;
    height: 52px;
    line-height: 52px;
    color: #333;
    padding-left: 41px;
}

.scene-case .tab div.current {
    background-image: linear-gradient(to right, #f7f7f7, #F3C3AB);
    border-right: 3px solid #FF5C01;
}

.scene-case .tab-one {
    float: right;
    width: 963px;
    margin-top: 18px;
    transition: all 30ms;
    display: none;
}

.scene-case .tab-one dl {
    margin-bottom: 20px;
}

.scene-case .tab-one dt {
    color: #333333;
    font-size: 16px;
    font-weight: 700;
}

.scene-case .tab-one dd {
    font-size: 14px;
}

.scene-case .tab-one dl:nth-child(3) dd {
    display: inline-block;
    color: #FF5C01;
}

.scene-case .div_show {
    display: block;
}

.begin-use .m64 {
    margin-top: 64px;
}

.begin-use .use-txt {
    margin-top: 39px;
    margin-bottom: 57px;
    width: 677px;
    height: 40px;
    font-size: 16px;
    font-weight: 700;
    color: #333333;
    line-height: 24px;
    margin-left: auto;
    margin-right: auto;

    text-align: center;
}

.begin-use .btn {
    display: block;
    width: 178px;
    height: 47px;
    background: #ED6827;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.24);
    border-radius: 999px;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 400;
    line-height: 47px;
    text-align: center;
    margin: auto;
    margin-bottom: 60px;
    cursor: pointer;
}

.begin-use .btn:hover {
    background-color: #d36935;
}

.apply {
    padding: 44px 0 36px 0;
    background-color: #1C1C1C;
    height: 183px;
}

.apply .apply-title {
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 400;
}

.apply .apply-btn {
    display: block;
    width: 120px;
    height: 40px;
    background-color: #ED6827;
    color: #FFFFFF;
    text-align: center;
    line-height: 40px;
    margin-top: 20px;
    cursor: pointer;
}

.tab-one .pic {
    float: right;
    /* height: 225px; */
    border: 1px dashed #dcdcdc;
    padding: 9px;
}

.tab-one .sug {
    width: 434px;
}

.fl {
    float: left;
}

.m-tab-title {
    display: none;
}



@media screen and (max-width: 768px) {
    .nat-content {
        width: 100%;
        height: 100%;
    }

    .begin-use .use-txt {
        height: 100%;
    }

    .safe {
        width: 52%;
    }

    .nat-content-m {
        display: block;
    }

    .nat-content {
        display: none;
    }

    .scene-case {
        height: 100%;
    }

    .scene-case .tab-one {
        float: none;
        display: block;
        width: 100%;
    }

    .m-tab-title {
        display: block;
        width: 208px;
        font-weight: 700;
        height: 52px;
        color: #333;
        line-height: 52px;
        font-size: 20px;
    }

    .gateway-features li {
        width: 100%;
        margin-bottom: 30px;
    }

    .gateway-features ul li:nth-child(3),
    .gateway-features ul li:nth-child(4),
    .gateway-features ul li:nth-child(5),
    .gateway-features ul li:nth-child(6) {
        margin-bottom: 0;
    }

    .scene-case .tab {
        display: none;
    }

    .tab-one .sug {
        width: 100%;
    }

    .tab-one .pic {
        float: right;
        width: 294px;
    }

    .begin-use .use-txt {
        width: 100%;
    }

    .gateway-features li {
        height: 100%;
    }
}

@media screen and (max-width: 645px) {
    .safe {
        width: 100%;
    }

    .tab-one .pic {
        display: flex;
        justify-content: center;
        align-items: center;
        float: none;
        width: 100%;
        margin-right: auto;
    }
}