@charset "utf-8";

.bgIMG {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    position: fixed;
    overflow: hidden;
    z-index: 0;
}

.bgIMG img {
    width: 100%;
    opacity: 0.8;
}

.introduction {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.introduction p {
    line-height: 1.5;
    text-align: center;
    font-size: 16px;
    color: var(--black0);
}

.downloadCategory {
    min-width: 700px;
    min-height: 90vh;
    margin: 50px auto;
    position: relative;
    z-index: 9;
}

.downloadCategory .describeArea {
    margin: 0 100px 0 0;
}

.describeArea .appDemo {
    width: 300px;
    position: relative;
}

.describeArea .appDemo .appPage {
    top: 10px;
    left: 15px;
    right: 15px;
    bottom: 10px;
    background: var(--black5);
    cursor: s-resize;
    overflow-y: scroll;
    overflow-x: hidden;
    position: absolute;
    z-index: 1;
}

.scrollBar::-webkit-scrollbar {
    width: 1px;
    height: 1px;
}

.scrollBar::-webkit-scrollbar-track {
    border-radius: 0px;
    background-color: rgba(231, 231, 231, 0.0)
}

.describeArea .appDemo img {
    width: 100%;
}

.describeArea .appDemo .tabNAV {
    left: 15px;
    right: 15px;
    bottom: 10px;
    position: absolute;
    overflow: hidden;
    z-index: 9;
}

.describeArea .appDemo .cellphone {
    width: 100%;
    position: relative;
    z-index: 0;
}

.describeArea .appDemo .cellphone img {
    width: 100%;
}

.downloadArea {
    max-width: 550px;
}

.downloadArea .qrCode {
    text-align: center;
}

.downloadArea .qrCode>div {
    margin: 10px;
}

.downloadArea .qrCode p {
    font-size: 20px;
    color: var(--black2);
}

.downloadArea .qrCode .img {
    width: 150px;
    margin: 0 auto;
    overflow: hidden;
    background: var(--black5);
}

.downloadArea .qrCode .img img {
    width: 100%;
    display: block;
}

.downloadArea .control {
    padding: 20px;
}

.downloadArea .control .clickBtn {
    min-width: 180px;
    margin: 10px;
    opacity: 0.5;
    cursor: not-allowed;
}

.down_iOS {
    background: #166bec;
}

.down_Android {
    background: #0bb968;
}

.introduce {
    width: 100%;
    margin: 0 0 100px;
}

.introduce>div {
    margin: 10px 0;
}

.introduce .titleName .appIcon {
    width: 100px;
}

.introduce .titleName .appIcon img {
    width: 100%;
}

.introduce .titleName h2 {
    font-size: 30px;
    color: var(--black1);
}

.introduce .function ul li {
    width: 50%;
    padding: 10px 0;
}

.introduce .function ul li .icon {
    width: 50px;
}

.introduce .function ul li .icon img {
    width: 100%;
}

.presentations {
    width: 100%;
    margin: 50px 0;
}

.presentations>div { 
    padding: 50px 0 160px;
    background: linear-gradient(114deg, rgba(0, 190, 174, 0.3) 0%, rgba(28, 167, 218, 0.2) 100%);
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    -ms-backdrop-filter: blur(5px);
    clip-path: polygon(0 0, 100% 11%, 100% 93%, 0 82%);
}

.presentations>div.patrol {
    top: -50px;
    background: linear-gradient(114deg, rgba(0, 190, 174, 0.1) 0%, rgba(255, 255, 255, 0.1) 100%);
}

.presentations>div.internetBar {
    background: linear-gradient(114deg, rgba(255, 255, 255, 0.1) 0%, rgba(28, 167, 218, 0.1) 100%);
}

.presentations>div>div {
    max-width: 1000px;
    margin: 0 auto;
}

.presentations .title {
    padding: 20px;
}

.presentations .title h3 {
    font-size: 30px;
    color: var(--a_3);
    opacity: 0.2;
}

.presentations ul li {
    width: calc(50% - 20px);
    margin: 10px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    -ms-backdrop-filter: blur(5px);

}

.presentations ul li>div {
    padding: 20px;
}

.presentations ul li .txt h4 {
    font-size: 20px;
}

.presentations ul li .txt p {
    font-size: 16px;
    color: var(--black2);
}

.presentations>div.patrol h4 {
    color: var(--a_2);
}

.presentations>div.internetBar h4 {
    color: var(--a_1);
}

.footer {
    background-color: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: blur(5px);
    -ms-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

@media (max-width: 1100px) {
    .downloadCategory {
        padding: 0;
    }

    .downloadArea {
        max-width: 400px;
    }

    .downloadCategory .describeArea {
        margin: 0 50px 0 0;
    }

    .downloadArea .control {
        padding: 20px 0;
    }

}

@media (max-width: 810px) {
    .downloadCategory {
        padding: 0;
    }

    .downloadArea {
        max-width: 350px;
    }

    .introduce {
        width: 100%;
        margin: 0 0 20px;
    }
}