* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    margin: 0;
    padding: 0;
}

ul,
ul li {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-inline-start: 0;
    margin-block-start: 0;
    margin-block-end: 0;
}

.download_container {
    width: 100vw;
    height: 100vh;
    display: flex;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    flex-direction: column;

}

.download_container .weixin_tip {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(0, 0, 0, 0.8);
    filter: alpha(opacity=80);
    height: 100%;
    width: 100%;
}

.download_container .download_content {
    flex: 1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    padding: 2rem;
    overflow: hidden;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 20px;
    overflow-y: auto;
    background: url("../img/bg_img.png") no-repeat 90% 20px rgba(212, 231, 248, 1) fixed;
    background-size: 70% auto;
}

.download_content h2 {
    color: #333;
    font-size: 2.4rem;
}

.logo img {
    padding-bottom: 0.5rem;
    height: 4rem;
}

.logo h5 {
    font-size: 1.6rem;
    color: #666;
    font-weight: normal;
    letter-spacing: 0.2rem;
}

.download_content ul.tag {
    display: grid;
    display: -moz-grid;
    display: -ms-grid;
    grid-template-columns: auto auto;
    justify-content: flex-start;
    gap: 1rem;
}

.download_content ul.tag li {
    background-color: rgba(108, 196, 254, 1);
    border: 1px solid #fff;
    font-size: 1.6rem;
    padding: 10px 20px;
    color: #fff;
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.download_box {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    flex-direction: row;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 2rem;
}

.download_box .platform {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
}

.download_box ul.platform li {
    min-width: 14rem;
    max-width: 100%;
    text-align: center;
    color: #666;
    position: relative;
    font-size: 1rem;
}

.download_box ul.platform li:nth-of-type(1),
.download_box ul.platform li:nth-of-type(2) {
    padding-top: 14.5rem;
    position: relative;
}

.download_box ul.platform li:nth-of-type(1):after,
.download_box ul.platform li:nth-of-type(2):after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 14rem;
    height: 14rem;
    overflow: hidden;

}

.download_box ul.platform li:nth-of-type(1):after {
    background-color: rgba(157, 217, 252, 0.6);
    border-radius: 10px;
}

.download_box ul.platform li:nth-of-type(2):after {
    background: url("../img/pc_index_qrcode.svg") no-repeat center center;
    background-size: cover;
}

.download_box ul.platform li:nth-of-type(1) .app_down {
    position: absolute;
    left: 50%;
    top: 10px;
    z-index: 99;
    transform: translate(-50%, 0);
    color: #fff;
    font-size: 1.2rem;
}

.download_box ul.platform li:nth-of-type(1) .app_down:after,
.download_box ul.platform li:nth-of-type(1) .app_down:before {
    content: "";
    position: absolute;
    top: 3rem;
    width: 60px;
    height: 70px;
    overflow: hidden;
}

.download_box ul.platform li:nth-of-type(1) .app_down:before {
    /* left:-4rem;
    background:url("../img/android_icon.png") no-repeat center center;
    background-size:4rem auto; */
}

.android-download {
    background: url("../img/android_icon.png") no-repeat center center;
    background-size: 4rem auto;
}
.ios-download{
    background:url("../img/ios_icon.png") no-repeat center center;
    background-size:4rem auto; 
}

.download_box ul.platform li:nth-of-type(1) .app_down:after {
    /* right:-3rem;
    background:url("../img/ios_icon.png") no-repeat center center;
    background-size:4rem auto; */
}

.download_box ul.contact {
    padding-bottom: 30px;
}

.download_box ul.contact li:not(:last-child) {
    margin-bottom: 24px;
}

.download_box ul.contact li {
    background-color: rgba(108, 196, 254, 1);
    border: 1px solid #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 10px 20px;
    color: #fff;
    font-size: 1.6rem;
    position: relative;
}

.download_box ul.contact li:not(:last-of-type) {
    padding: 10px 20px 10px 60px;
}

.download_box ul.contact li:before {
    content: "";
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    overflow: hidden;
}

.download_box ul.contact li:nth-of-type(1):before {
    background: url("../img/phone.svg") no-repeat left center;
    background-size: cover;

}

.download_box ul.contact li:nth-of-type(2):before {
    background: url("../img/email-fill.svg") no-repeat left center;
    background-size: cover;
}

.download_box ul.contact li.copy_li {
    padding: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    overflow: hidden;
    background-color: #fff;
}

.download_box ul.contact li.copy_li .copy_txt {
    flex: 1;
    padding: 15px 10px;
    font-size: 0.8rem;
    text-align: center;
    color: #999;
}

.download_box ul.contact li.copy_li .copy_btn {
    background-color: rgba(0, 122, 255, 1);
    color: #fff;
    padding: 15px 10px;
    white-space: nowrap;
    font-size: 1rem;
    height: 100%;
}

.link_txt {
    background-color: #fff;
    font-size: 1.2rem;
    color: rgba(0, 122, 255, 0.87);
    padding: 15px 0;
    text-align: center;
}

@media screen and (max-width: 920px) {
    html {
        font-size: 12px;
    }

    .download_container .download_content {
        background-position: center 10rem;
        background-size: 100% auto;
    }

    .logo {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .logo img {
        padding-bottom: 0.5rem;
        height: 4.6rem;
    }

    .download_content ul.tag {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .download_box ul.contact {
        width: 100%;
    }

    .copy_div {
        width: 100%;
    }

    .download_box .platform {
        margin-top: 1.2rem;
        width: 100%;
        overflow: hidden;
    }

    .download_box ul.platform li {
        width: 40vw;
        font-size: 1.3rem;
    }

    .download_box ul.platform li:nth-of-type(1),
    .download_box ul.platform li:nth-of-type(2) {
        padding-top: 41vw;
        position: relative;
    }

    .download_box ul.platform li:nth-of-type(1):after,
    .download_box ul.platform li:nth-of-type(2):after {
        width: 40vw;
        height: 40vw;
    }

    .download_box ul.contact {
        padding-bottom: 1rem;
    }

    .download_box ul.contact li:first-of-type {
        margin-bottom: 1rem;
    }
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;

}

.modal-content {
    background-color: #fff;
    margin: 20% auto;
    /* 垂直和水平居中 */
    padding: 20px;
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    width: 80%;
    max-width: 400px;
    text-align: center;
    transition: all 0.3s ease;
}


.modal-content p {
    margin-bottom: 30px;
    font-size: 24px;
    color: #666;
}



.modal-button {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    background-color: rgba(108, 196, 254, 1);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.modal-button:hover {
    background-color: #45a049;
}

.modal-button:active {
    transform: scale(0.95);
}