.py-sm {
    padding-top: 4vw;
    padding-bottom: 4vw;
}

.pb-3, .py-3 {
    padding-bottom: 10px!important;
}

.about-contact .description {
    opacity: .7!important;
}

.container {
    width: 100%;
}

.pt-ls {
    padding-top: 1vw;
}

.col, .col-1, .col-10, .col-11, .col-12, .col-2, .col-3, .col-4, .col-2_4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-auto, .col-lg, .col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-2_4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-auto, .col-md, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-2_4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-auto, .col-sm, .col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-2_4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-auto, .col-xl, .col-xl-1, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-2_4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-auto {
    padding: 0.8vw;
}

.col-12 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
}

.d-flex {
    display: -ms-flexbox!important;
    display: flex!important;
}

.contact-info__item {
    height: 100%;
    background-color: #fff;
    transition: .4s;
    border-radius: 10px;
    padding: 3vw;
    display: flex;
    flex-direction: row;
    align-items: center;
    box-shadow: 0px 0px 10px 0px rgb(116 125 132 / 10%);
}

.contact-info__item img {
    max-width: 40px;
    flex-shrink: 0;
}

.contact-info__item .txt {
    padding-left: 20px;
    text-align: left;
}

.title-sm {
    font-size: 16px;
    line-height: 1.5;
}

.row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.text-center {
    text-align: center!important;
}

.row {
    margin: -0.8vw;
}

.pt-xs {
    padding-top: 2vw;
}

.about-contact .description {
    opacity: .7!important;
}

@font-face {
    font-family: "iconfont"; /* Project id 2784275 */
    src: url('//at.alicdn.com/t/font_2784275_rdeojas36s.woff2?t=1652058367224') format('woff2'),
    url('//at.alicdn.com/t/font_2784275_rdeojas36s.woff?t=1652058367224') format('woff'),
    url('//at.alicdn.com/t/font_2784275_rdeojas36s.ttf?t=1652058367224') format('truetype');
}

.iconfont {
    font-family: "iconfont" !important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon-sanjiao:before {
    content: "\e600";
}

.py-md {
    padding-top: 6vw;
    padding-bottom: 6vw;
}

.mt-3, .my-3 {
    margin-top: 1rem!important;
}

label {
    display: inline-block;
    margin-bottom: 0.5rem;
}

.form-control {
    display: block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}


.is-round {
    border-radius: 50px;
}

.mt-2, .my-2 {
    margin-top: 0.5rem!important;
}

@media (min-width: 576px){
    .title-sm {
        font-size: 18px;
    }
}

@media (min-width: 768px){
    .title-md {
        font-size: 26px;
        line-height: 1.8;
    }

    .contact-info__item {
        flex-direction: column;
        box-shadow: none;
    }

    .contact-info__item img {
        max-width: 50%;
        height: 45%;
    }

    .contact-info__item .txt {
        text-align: center;
    }

    .title-sm {
        font-size: 20px;
        line-height: 1.8;
    }

    .contact-info__item .txt .title {
        margin-top: 15px;
    }

    .col-md-4 {
        -ms-flex: 0 0 33.333333%;
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    .col-md-3 {
        -ms-flex: 0 0 25%;
        flex: 0 0 25%;
        max-width: 25%;
    }

    .col-md-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }

    .col-md-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }

    .btn-md {
        padding: 10px 40px;
        font-size: 16px;
    }
}

@media (min-width: 992px){
    .text-md {
        font-size: 18px;
        line-height: 1.8;
    }

    .title-sm {
        font-size: 22px;
    }
}

@media (min-width: 1200px){
    .title-sm {
        font-size: 24px;
    }
}

@media (min-width: 1440px){
    .title-md {
        font-size: 38px;
    }
}

@media (max-width: 1920px){
    .container {
        max-width: 1440px;
    }
}