.hn_index_box {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

    .hn_index_box .hn_index_headBox {
        width: 100%;
        height: 80px;
        flex-shrink: 0;
    }

        .hn_index_box .hn_index_headBox .header_box {
            width: 1200px;
            height: 100%;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
        }

            .hn_index_box .hn_index_headBox .header_box .left_box {
                color: #1e81d2;
                font-size: 24px;
                height: 100%;
                display: flex;
                align-items: center;
            }

                .hn_index_box .hn_index_headBox .header_box .left_box img {
                    margin-right: 10px;
                    height: 50px;
                }

            .hn_index_box .hn_index_headBox .header_box .right_box {
                height: 100%;
                display: flex;
                align-items: center;
            }

                .hn_index_box .hn_index_headBox .header_box .right_box button {
                    width: 80px;
                    height: 34px;
                    border-radius: 5px;
                }

                .hn_index_box .hn_index_headBox .header_box .right_box .login_box {
                    color: #fff;
                    border: none;
                }

                .hn_index_box .hn_index_headBox .header_box .right_box .register_box {
                    border: 1px solid #1e81d2;
                    margin-left: 10px;
                    background-color: #fff;
                }

    .hn_index_box .hn_index_contentBox {
        width: 100%;
        height:100%;
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
    }

        .hn_index_box .hn_index_contentBox .search_box {
            width: 800px;
            height: 400px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 10px;
            box-sizing: border-box;
            padding: 60px 88px;
        }

            .hn_index_box .hn_index_contentBox .search_box .input_box {
                display: flex;
                height: 56px;
                width: 92%;
                margin: 0 auto;
            }

                .hn_index_box .hn_index_contentBox .search_box .input_box .int_box {
                    width: 450px;
                    flex-shrink: 0;
                    height: 100%;
                    border-radius: 28px 0 0 28px;
                    border: 1px solid #1e81d2;
                    text-align: right;
                    background: #fff;
                }

                .hn_index_box .hn_index_contentBox .search_box .input_box .int_box input {
                        width: 420px;
                        height: 54px;
                        border: none;
                        outline: none;
                        font-size: 18px;
                }

                .hn_index_box .hn_index_contentBox .search_box .input_box .but_box {
                    flex: 1;
                    height: 100%;
                    background: url('../imgs/index/search_icon.png') no-repeat;
                    background-position: 50% 50%;
                    background-color: #1e81d2;
                    border-radius: 0 28px 28px 0;
                    border: 1px solid #1e81d2;
                }

                .hn_index_box .hn_index_contentBox .search_box .bottom_box {
                    width: 100%;
                    margin: 30px auto 0 auto;
                }

                .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box {
                    width: 100%;
                    height: 65px;
                    display: flex;
                    justify-content: space-between;
                }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box span {
                        display: block;
                        flex: 1;
                        height: 100%;
                        position: relative;
                    }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box .icon1 {
                        background: url('../imgs/index/plot_icon.png') no-repeat;
                        background-position: 50%;
                    }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box .icon2 {
                        background: url('../imgs/index/production_icon.png') no-repeat;
                        background-position: 50%;
                    }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box .icon3 {
                        background: url('../imgs/index/processing_icon.png') no-repeat;
                        background-position: 50%;
                    }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box .icon4 {
                        background: url('../imgs/index/quality_icon.png') no-repeat;
                        background-position: 50%;
                    }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .icon_box > span:not(:last-child)::after {
                        display: block;
                        width: 70px;
                        height: 2px;
                        background-color: #1e81d2;
                        position: absolute;
                        right: -32px;
                        top: 50%;
                        content: '';
                    }

                .hn_index_box .hn_index_contentBox .search_box .bottom_box .font_box {
                    width: 100%;
                    display: flex;
                    justify-content: space-between;
                    font-size: 24px;
                }

                    .hn_index_box .hn_index_contentBox .search_box .bottom_box .font_box span {
                        display: block;
                        flex: 1;
                        text-align: center;
                    }

            .hn_index_box .hn_index_contentBox .search_box > p {
                font-size: 28px;
                text-align: center;
                margin-top: 60px;
            }

    .hn_index_box .hn_index_footBox {
        width: 100%;
        height: 70px;
        background-color: #333333;
        color: #fff;
        font-size: 12px;
        box-sizing: border-box;
        padding: 15px;
    }

        .hn_index_box .hn_index_footBox .footer_box {
            width: 1200px;
            text-align: center;
            height: 100%;
            margin: 0 auto;
            position: relative;
        }

            .hn_index_box .hn_index_footBox .footer_box .footer_top {
                margin-bottom: 8px;
                text-align: center;
            }

                .hn_index_box .hn_index_footBox .footer_box .footer_top > span {
                    display: inline-block;
                    margin-right: 15px;
                }

            .hn_index_box .hn_index_footBox .footer_box .downCode_box {
                position: absolute;
                right: 0;
                top: 50%;
                margin-top: -15px;
                padding: 6px 10px;
            }

                .hn_index_box .hn_index_footBox .footer_box .downCode_box button {
                    background-color: #66B44B;
                    color: #fff;
                    width: 100%;
                    height: 100%;
                    border-radius: 5px;
                    border: none;
                    display: flex;
                    align-items: center;
                }

                .hn_index_box .hn_index_footBox .footer_box .downCode_box .downIcon {
                    font-size: 18px;
                }

                .hn_index_box .hn_index_footBox .footer_box .downCode_box .code_box {
                    width: 100px;
                    height: 100px;
                    background-color: #fff;
                    position: absolute;
                    top: -110px;
                    left: 50%;
                    margin-left: -50px;
                    border-radius: 3px;
                    display: none;
                }
                    .hn_index_box .hn_index_footBox .footer_box .downCode_box .code_box img {
                        width: 100%;
                        height: 100%;
                    }

                    .hn_index_box .hn_index_footBox .footer_box .downCode_box .code_box::before {
                        width: 0;
                        height: 0;
                        border-left: 4px solid transparent;
                        border-right: 4px solid transparent;
                        border-top: 8px solid #fff;
                        position: absolute;
                        bottom: -8px;
                        left: 50%;
                        margin-left: -4px;
                        content: '';
                    }