.banner {
    position: relative;
    z-index: 9;
    top: 0;
    overflow: hidden;
    width: 100%;
    height: 900px;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/banner-bg.png) no-repeat center;
    background-size: cover;
}



.banner-introduce {
    margin-top: 210px;
}




.banner-title .title-img {
    width: 282px;
    height: 87px;
    margin: auto 3px auto -10px;
}

.banner-desc {
    width: 480px;
    height: 120px;
    margin-top: 30px;
    color: #5f5f5f;
    font-size: 22px;
    font-weight: 300;
    letter-spacing: 4px;
    line-height: 40px;
    text-align: justify;
}

.banner-guide {
    position: relative;
    z-index: 10;
    width: 1160px;
    margin: 0 auto;
    margin-top: -209px;
}

.banner-guide-li {
    display: flex;
    margin-top: 60px;
    width: 1160px;
    justify-content: space-between;
}

.banner-guide-li li {
    overflow: hidden;
    width: 213px;
    height: 281px;
    padding: 37px 0 0 30px;
}

.title-bar {
    width: 24px;
    height: 3px;
    margin-bottom: 8px;
    background-image: linear-gradient(90deg, #0276FF 36%, #29D5FF 100%);
}

.banner-guide-li li:nth-child(1) {
    /* position: absolute; */
    left: -5px;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section1-icon.png) no-repeat center;
    background-size: cover;
}

.banner-guide-li li:nth-child(2) {
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section1-icon.png) no-repeat center;
    background-size: cover;
    margin-top: 59px;
    /* position: absolute; */
    left: 247px;
}

.banner-guide-li li:nth-child(3) {
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section1-icon.png) no-repeat center;
    background-size: cover;
    /* position: absolute; */
    left: 500px;
}

.banner-guide-li li:nth-child(4) {
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section1-icon.png) no-repeat center;
    background-size: cover;
    margin-top: 59px;
    /* position: absolute; */
    right: 242px;
}

.banner-guide-li li:nth-child(5) {
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section1-icon.png) no-repeat center;
    background-size: cover;
    /* position: absolute; */
    right: -14px;
}

.banner-guide-title {
    width: 218px;
    margin-bottom: 6px;
    color: #333;
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 30px;
}

.banner-guide-li-container {
    display: flex;
    flex-direction: column;
}

.banner-guide-diot {
    width: 14px;
    height: 14px;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section1-icon1.png) no-repeat center;
    background-size: cover;
    margin-top: 50px;
}

.banner-guide-bg {
    height: 486px;
    width: 100vw;
    opacity: 0.77;
    margin-top: -302px;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section-bg.png) no-repeat center;
    background-size: cover;
}

.banner-guide-desc {
    color: #5f5f5f;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0;
    line-height: 24px;
}


/* main内容 */


.main-section-1 .section-title {
    overflow: hidden;
    width: 1160px;
    height: 50px;
    margin: 120px auto 64px;
    color: #333;
    font-size: 36px;
    font-weight: 600;
    letter-spacing: 0;
}

.main-section-1 .section-content-box {
    width: 1160px;
    margin: 0 auto;
}

.main-section-1 .section-content-box .title {
    width: 100%;
    height: 124px;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section2-icon.png) no-repeat center;
    background-size: cover;
    padding: 32px;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: justify;
    line-height: 30px;
}

.main-section-1 .section-content-box .content {
    width: 100%;
    height: 468px;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section2-bg.png) no-repeat center;
    background-size: cover;
}


.main-section-1 .section-guide {
    display: flex;
    justify-content: space-between;
    margin-bottom: 38px;
}

.main-section-1 .section-guide2 {
    display: flex;
    width: 805px;
    justify-content: space-between;
    margin: 0 auto;
}

.main-section-1 .section-guide .section-guide-sub {
    position: relative;
    width: 370px;
    height: 234px;
    background-image: linear-gradient(180deg, #e8f0fe 25%, #f6fbff33 100%);
    border-radius: 8px;
    box-shadow: 0 10px 20px 0 #0000000a;
}

.main-section-1 .section-guide .section-guide-sub .section-guide-sub-title {
    width: 370px;
    height: 81px;
    background: url() no-repeat center;
    background-size: cover;
    border-radius: 8px 8px 0 0;
    color: #fff;
    font-size: 24px;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 86px;
    text-align: center;
}

.main-section-1 .section-guide .section-guide-sub .section-guide-sub-des {
    width: 324px;
    margin: 27px auto 0;
    color: #5f5f5f;
    font-size: 16px;
    font-weight: 300;
    letter-spacing: 0;
    line-height: 28px;
    text-align: justify;
}

.main-section-2 {
    width: 100%;
    margin-top: 183px;
    background-size: cover;
    margin-bottom: 136px;
}

.main-section-2 .main-section-box {
    width: 1160px;
    height: 467.67px;
    margin: 0 auto;
    background: url(https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/block-chain/section3-bg.png) no-repeat center;
    background-size: cover;
    position: relative;
    font-weight: 600;
    font-size: 22px;
    color: #333333;
    line-height: 30px;
}

.box-top-left {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    left: 25px;
    top: 7.13%;
    width: 31.35%;
    height: 23.89%;
}

.box-top-right {
    position: absolute;
    right: 21px;
    top: 7.13%;
    width: 31.35%;
    height: 23.89%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.box-btm-left {
    position: absolute;
    left: 25px;
    top: 64%;
    width: 31.35%;
    height: 23.89%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.box-btm-right {
    position: absolute;
    right: 21px;
    top: 64%;
    width: 31.35%;
    height: 23.89%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.main-section-2 .section-title {
    overflow: hidden;
    width: 1160px;
    height: 50px;
    margin: 150px auto 44px;
    color: #333;
    font-size: 36px;
    font-weight: 600;
    letter-spacing: 0;
}

.free-service {
    margin-top: -62px;
}

* {
    box-sizing: border-box;
}

@media screen and (max-width: 1280px) {
    .banner-section {
        width: 1030px;
    }

    .banner-guide {
        width: 1030px;
    }

    .banner-guide-li {
        width: 1030px;
    }

    .main-section-1 .section-title {
        width: 1030px;

    }

    .main-section-2 .section-title {
        width: 1030px;
    }

    .main-section-2 .main-section-box {
        width: 1030px;
        height: 423.25px;
    }

    .main-section-1 .section-content-box {
        width: 1030px;
    }

    .banner-guide-li li{
        width: 189px;
        height: 246px;
    }
}