@charset "utf-8";
    /* CSS Document */

    *,
    body {
        margin: 0;
        padding: 0;
    }

    html,
    body {
        font-size: 62.5%;
        color: #000;
        width: 100%;
        height: 100%;
        font-family: Helvetica Neue, PingFang SC, Microsoft YaHei, Helvetica, Arial, sans-serif;
    }

    a {
        color: #1A1A1A;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    ul,
    li {
        list-style: none;
    }

    .main {
        position: relative;
        line-height: 0;
    }

    .banner {
        width: 100%;
    }

    .btn {
        position: absolute;
        bottom: 18%;
        left: 11%;
        right: 0;
    }

    .down-btn {
        background: #fff;
        border-radius: 1rem;
        box-shadow: 0px 17px 14px 0px rgba(25, 108, 205, 0.6);
        display: inline-flex;
        font-size: 2.4rem;
        text-align: center;
        line-height: 200%;
        font-weight: 600;
        align-items: center;
        justify-content: center;
        margin-bottom: 3%;
        padding: 1.2% 5%;
    }

    .down-btn img {
        margin-right: 5px;
    }

    .policy a {
        border-radius: 0.8rem;
        border: 1px solid #fff;
        color: #FFF;
        font-size: 1.6rem;
        line-height: 300%;
        padding: 0 1.5%;
        margin-right: 2rem;
        text-align: center;
        display: inline-block;
    }

    .features {
        padding: 7rem 0;
    }

    .title {
        font-size: 3.4rem;
        text-align: center;
    }

    .line {
        width: 6rem;
        height: 6px;
        background: #207CE7;
        border-radius: 1px;
        margin: 1rem auto 0;
    }

    .list {
        padding: 0 10%;
    }

    .card {
        background: #fff;
        box-shadow: 0px 16px 43px 0px rgba(0, 0, 0, 0.04);
        border-radius: 2rem;
        display: flex;
        align-items: center;
        padding: 4% 7%;
        margin-top: 5%;
    }

    .card:first-child {
        margin-top: 2%;
    }

    .text {
        margin-left: 6%;
        flex: 1;
        color: #999;
        font-size: 1.8rem;
        line-height: 150%;
    }

    .text h5 {
        font-size: 2.8rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 1.5%;
    }

    footer {
        background: #333;

    }

    .contact {
        padding: 2% 9%;
    }

    .contact_title {
        font-size: 3.6rem;
        color: rgba(255, 255, 255, 0.15);
        line-height: 150%;
        margin-bottom: 1.6rem;
    }

    .info {
        display: flex;
        color: rgba(255, 255, 255, 0.6);
    }

    .info div {
        display: flex;
        align-items: center;
        margin-left: 5%;
        font-size: 1.4rem;
    }

    .info div:first-child {
        margin-left: 0;
    }

    .info img {
        margin-right: 5px;
    }

    .copyright {
        background: rgba(189, 189, 189, 0.1);
        text-align: center;
        color: rgba(255, 255, 255, 0.6);
        font-size: 1.2rem;
        line-height: 150%;
        padding: 2px 0;
    }

    @media screen and (max-width: 1024px) {
        .down-btn {
            font-size: 2rem;
        }
    }

    @media screen and (max-width: 640px) {
        .btn {
            bottom: 10%;
        }

        .down-btn {
            font-size: 1.2rem;
            padding: 0 5%;
        }

        .down-btn img {
            width: 30%;
        }

        .policy a {
            font-size: 1.2rem;
            line-height: 150%;
        }

        .title {
            font-size: 3rem;
        }

        .text h5 {
            font-size: 1.6rem;
        }

        .text {
            font-size: 1.2rem;
        }

        .info {
            flex-direction: column;
        }

        .info div {
            margin-left: 0;
            margin-bottom: 1rem;
        }
    }