@charset "UTF-8";
.wrapper {
    overflow: hidden;
    min-width: 960px;
}

/* 轮播图模块 */

.banner {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 1024px;
    min-width: 340px;
    background: url(../img/darkbox_banner.jpg) center center no-repeat;
    background-size: cover;
    background-position: center;
}

.banner header {
    overflow: hidden;
    margin: 17px 100px;
    height: 42px;
}

.banner_logo {
    float: left;
    width: auto;
    height: 34px;
}

.banner_logo img {
    width: auto;
    height: 100%;
    display: block;
    margin-top: 4px;
}

.banner_nav {
    float: right;
    line-height: 42px;
}

/* 语言国际化 */

.banner .banner_nav .bn_language {
    font-size: 14px;
    font-weight: 300;
    color: #fff;
    margin-left: 30px;
    opacity: .4;
    cursor: pointer;
}

.banner .banner_nav .bn_language:hover {
    color: #fff;
    text-decoration: none;
}

.banner .banner_nav .bn_language_current {
    color: #fff;
    opacity: 1;
}

/* App标题 */

.banner_information {
    position: absolute;
    top: 30%;
    left: 18%;
}

.banner_information_title {
    font-size: 72px;
    font-weight: 400;
}

.banner_information_subtitle {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 40px;
}

.banner_mouse {
    position: absolute;
    bottom: 17px;
    left: 50%;
    width: 24px;
    height: 58px;
    margin-left: -12px;
}

/* 下载按钮状态 */

.app_download .app_download_banner_button {
    display: inline-block;
    padding: 17px 72px;
    font-size: 18px;
    color: #fff;
    background-color: transparent;
    border: 1px solid #fff;
    border-radius: 50px;
    outline: none;
    cursor: pointer;
}

.app_download .app_download_banner_button:hover {
    background-color: #fff;
}
.app_download .app_download_banner_button:hover span {
    color: #2178FF;
}
.app_download img {
    visibility: hidden;
    width: 190px;
    height: 180px;
    margin-left: 40px;
}

.icon_apple {
    display: inline-block;
    width: 20px;
    height: 24px;
    background: url(../img/appstore_download.png) no-repeat center;
    background-size: cover;
    vertical-align: top;
    margin-right: 9px;
}

.app_download .app_download_banner_button:hover .icon_apple {

    background: url(../img/appstore_download_current.png) no-repeat center;
    background-size: cover;
}

/* 备份模块 */

.backup {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 1410px;
    min-width: 340px;
    background: url(../img/darkbox_backup_bg.jpg) center center no-repeat;
    background-size: cover;
    background-position: center;
}

.backup .banner_information_title, .backup .banner_information_subtitle {
    color: #232323;
    text-align: center;
}

.backup .banner_information_title {
    margin-top: 160px;
}

.backup img {
    display: block;
    width: 58%;
    margin: 140px auto 0;
}

/* 主题 */

.theme {
    height: 2287px;
    background-color: #fff;
    padding-top: 160px;
}

.theme_content {
    width: 64%;
    margin: 0 auto;
}

.theme .banner_information_title, .theme .banner_information_subtitle {
    color: #232323;
}

.theme .banner_information_subtitle {
    margin-bottom: 120px;
}

.theme .theme_style:nth-child(2n-1) {
    margin-top: 390px;
}

.theme .theme_style img {
    display: block;
    width: 450px;
    height: 450px;
    margin: 0 auto;
}

/* 锚点定位 */

.banner_paging {
    position: fixed;
    right: 125px;
    top: 50%;
    width: 34px;
    height: 90px;
    margin-top: -45px;
}

.banner_paging li {
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0;
    width: 20px;
    height: 2px;
    background-color: #eee;
    margin-bottom: 20px;
    border-radius: 5px;
    opacity: .6;
}

.active {
    width: 34px;
    opacity: 1;
}

/* 传送 */

.transfer {
    background-color: #f9f9f9;
}

.transfer_content {
    display: flex;
    align-items: center;
    width: 64%;
    height: 1240px;
    margin: 0 auto;
}

.transfer_title {
    float: left;
    width: 60%;
    color: #232323;
}

.transfer_img {
    position: relative;
    float: right;
    width: 40%;
    height: 880px;
}

.transfer_img_iphone {
    position: absolute;
    width: 60%;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}
.transfer_img_iphone_before {
    top: 230px;
    z-index: 2;
}

.transfer_img_iphone_after {
    right: 0;
    z-index: 1;
    box-shadow: 0 10px 60px rgba(33, 120, 255, .2)
}

/* 联系我们 */

.contact_us {
    overflow: hidden;
}

.contact_content {
    width: 64%;
    height: 800px;
    margin: 160px auto 0;
}

.contact_us .banner_information_title {
    text-align: center;
    color: #232323;
    margin-bottom: 140px;
}

.contact_content input {
    width: 488px;
    font-weight: 300;
    border-radius: 0;
    border-width: 0 0 1px 0;
    border-color: #f9f9f9;
}

.contact_content input:focus {
    box-shadow: none;
    border-color: #f9f9f9;
}

.contact_content input::-webkit-input-placeholder {
    color: #c1c1c1;
}

.contact_content input::-moz-placeholder {
    color: #c1c1c1;
}

.contact_content input::-ms-input-placeholder {
    color: #c1c1c1;
}

.contact_us textarea::-webkit-input-placeholder {
    font-weight: 300;
    color: #c1c1c1;
}

.contact_us .contact_us_comment {
    height: 140px;
    background-color: #f9f9f9;
    margin-top: 52px;
    border: none;
    border-radius: 8px;
    resize: none;
    box-shadow: none;
}

.contact_us_btn {
    text-align: center;
}

.contact_us_submit {
    width: 295px;
    height: 60px;
    color: #fff;
    background-color: #2178ff;
    border-radius: 100px;
    margin-top: 74px;
}

/* 免费下载使用 */

.employ {
    padding: 200px 0;
    background-color: #101010;
}

.employ_content {
    overflow: hidden;
    width: 64%;
    margin: 0 auto;
}

.employ_content .banner_information {
    position: static;
    width: auto;
}

.employ_list {
    margin-top: 1rem;
}

.employ_list li {
    list-style: none;
    margin-bottom: 32px;
}

/* 版权 */

.copyright {
    padding: 23px 0 16px;
    background-color: #000;
}

.copyright_content {
    width: 64%;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.copyright_content p, .link_method dd {
    font-weight: 300;
    font-size: 12px;
    color: #5e5e5e;
    margin-bottom: 0;
}

.link_method {
    float: right;
    margin-left: 44px;
    margin-bottom: 0;
}

.link_method dd {
    text-align: center;
    margin-top: 6px;
}

.link_method img {
    display: block;
    width: 40px;
    height: 40px;
    margin: 0 auto;
}

.icon_scroll_top {
    display: none;
    position: fixed;
    width: 60px;
    height: 60px;
    right: 40px;
    bottom: 140px;
    background: url(../img/scroll_top.png) 0 0 no-repeat;
    background-size: cover;
    cursor: pointer;
}

.tips {
    height: 120px;
    background-color: #fff;
    box-shadow: 0px 2px 2px #eee;
    position: fixed;
    top: 50%;
    left: 50%;
    margin-top: -60px;
    margin-left: -140px;
    padding: 0 24px;
    font-size: 28px;
    color: #000;
    display: none;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
}

.icon_success {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: url(../img/success_logo.png) 0 0 no-repeat;
    margin-right: 32px;
}

.icon_close {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 16px;
    height: 16px;
    background: url(../img/close_logo.png) 0 0 no-repeat;
}

/* 适配iphone */
@media screen and (max-width:1024px) {
    .wrapper {
        min-width: 320px;
    }

    .banner {
        height: 220px;
    }

    .banner header {
        overflow: hidden;
        margin: 12px 16px;
        height: 42px;
    }

    .banner_logo {
        float: left;
        width: 52px;
        height: 26px;
        margin-top: 8px;
    }

    .banner_nav {
        line-height: 14px;
    }

    .banner .banner_nav .bn_language {
        font-size: 10px;
        margin-left: 30px;
    }

    .banner_information {
        position: absolute;
        top: 62px;
        left: 16px;
        width: auto;
    }

    .banner_information_title {
        font-size: 24px;
    }

    .banner_information_subtitle {
        font-size: 14px;
        font-weight: 300;
        margin-bottom: 16px;
    }

    .banner_nav {
        margin-top: 13px;
    }

    .banner .banner_nav .bn_language {
        font-size: 10px;
        margin-left: 10px;
    }

    .app_download .app_download_banner_button {
        font-size: 12px;
        padding: 6px 16px;
    }

    .app_download_banner_button span {
        font-size: 12px;
    }

    .app_download img, .banner_mouse {
        display: none;
    }

    .icon_apple {
        width: 12px;
        height: 14px;
        vertical-align: text-bottom;
        margin-right: 6px;
    }

    /* 备份模块(移动端) */
    .backup {
        height: 445px;
    }

    .backup .banner_information_title, .backup .banner_information_subtitle, .theme .banner_information_title, .theme .banner_information_subtitle {
        color: #232323;
        text-align: left;
        margin-left: 16px;
        margin-right: 16px;
    }

    .backup .banner_information_title {
        margin-top: 40px;
    }

    .backup img {
        display: block;
        width: 100%;
        margin: 46px auto 0;
    }

    /* 主题(移动端) */
    .theme {
        height: auto;
        margin-left: 0;
        padding: 53px 0;
    }

    .theme_content {
        width: 100%;
    }

    .theme_content,
    .theme .container-fluid,
    .theme_style {
        width: 100%;
    }

    .theme .theme_style:nth-child(2n-1) {
        margin-top: 0;
    }

    .theme .theme_style img {
        width: 100%;
        height: 100%;
    }

    .theme .banner_information_title {
        width: auto;
    }

    .theme .banner_information_subtitle {
        margin-bottom: 40px;
    }

    /* 传送(移动端) */
    .transfer {
        overflow: hidden;
        height: 810px;
    }

    .transfer_content {
        display: block;
        width: auto;
        margin-top: 40px;
        margin-left: 16px;
        margin-right: 16px;
    }

    .transfer_title {
        color: #232323;
    }

    .transfer_img {
        width: 100%;
        margin-left: 0;
    }

    .transfer_img_iphone {
        position: absolute;
        width: 210px;
        left: 4%;
        border-radius: 8px;
    }

    .transfer_img_iphone_before {
        top: 160px;
        z-index: 2;
    }

    .transfer_img_iphone_after {
        left: 119px;
        z-index: 1;
    }

    /* 联系我们(移动端) */
    .contact_content {
        width: 100%;
        height: auto;
        margin: 0;
        padding: 40px 0 60px;
    }

    .contact_us .banner_information_title {
        margin-bottom: 40px;
    }

    .contact_us .banner_information_title {
        text-align: left;
        width: 64%;
        height: 34px;
        margin-left: 16px;
        border-radius: 0;
        border-width: 0 0 1px 0;
        border-color: #f9f9f9;
    }

    .contact_content .container-fluid {
        padding: 0 16px;
    }

    .contact_us input, .contact_us textarea {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .contact_us .contact_us_comment {
        height: 140px;
    }

    .contact_us input {
        height: 34px;
    }

    .contact_us_submit {
        width: 180px;
        height: 38px;
        font-size: 15px;
    }

    .employ {
        padding: 62px 0;
    }

    .employ_content, .copyright_content {
        width: 100%;
    }

    .employ_content .banner_information_title, .employ_content .banner_information_subtitle {
        margin-left: 16px;
    }

    .employ_content .app_download {
        margin-left: 16px;
        margin-bottom: 20px;
    }

    .employ_list {
        padding-left: 18px;
    }

    .employ_list li {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .copyright_content_list {
        overflow: hidden;
        display: flex;
        justify-content: center;
    }

    .copyright_content_list .link_method:nth-child(1) {
        margin-left: 0;
    }

    .link_method img {
        width: 20px;
        height: 20px;
    }

    .copyright_content p, .link_method dd {
        font-weight: 300;
        font-size: 10px;
        color: #5e5e5e;
        margin-bottom: 0;
    }

    .copyright_content p {
        text-align: center;
        margin-bottom: 9px;
    }

    .banner_paging {
        display: none;
    }

    .icon_scroll_top {
        width: 30px;
        height: 30px;
        right: 20px;
        bottom: 70px;
        background: url(../img/scroll_top.png) 0 0 no-repeat;
        background-size: cover;
        cursor: pointer;
    }
}
/* @media (device-height:568px) and (-webkit-min-device-pixel-ratio:2){
    
}*/
@media screen and (max-width:320px) {
    .banner header {
        padding-right: 16px;
    }
    
    .banner .banner_nav .bn_language {
        margin-left: 10px;
    }

    .backup img {
        width: 90%;
        margin: 0;
    }

    .transfer_img_iphone {
        width: 50%;
    }

    .transfer {
        height: auto;
    }
    .transfer_content {
        height: auto;
    }

    .transfer_img {
        height: 500px;
    }
}

/* 适配ipad */

@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) {
    .banner .banner_nav .bn_language {
        font-size: 20px;
    }

    .backup img {
        width: 100%;
    }

    .theme {
        height: 4210px;
        margin-left: 0;
    }

    .theme .container-fluid {
        width: 100%;
        margin: 0 auto;
    }

    .theme .theme_style img {
        height: auto;
    }

    .contact_content .row {
        display: block;
    }

    .contact_content input {
        width: 100%;
    }

    .theme_style {
        flex: auto;
        max-width: 100%;
    }
}

/* 适配ipad */

@media screen and (min-width: 768px) and (max-width: 1366px) {
    .banner header {
        overflow: hidden;
        margin: 24px 42px;
        height: 82px;
    }

    .banner_logo {
        float: left;
        width: 52px;
        height: 52px;
        margin-top: 8px;
    }

    .banner_nav {
        margin-top: 17px;
    }

    .banner .banner_nav .bn_language {
        font-size: 28px;
    }

    .banner {
        height: 660px;
    }

    .banner_information {
        position: absolute;
        top: 50%;
        left: 32px;
        width: auto;
        margin-top: -70px;
    }

    .banner_information_title {
        font-size: 48px;
        margin-bottom: 20px;
    }

    .banner_information_subtitle {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .app_download . {
        padding: 12px 32px;
    }

    .backup {
        height: 890px;
    }

    .theme {
        padding: 60px 0;
    }

    .backup .banner_information_title, .backup .banner_information_subtitle, .theme .banner_information_title, .theme .banner_information_subtitle {
        margin-left: 32px;
        margin-right: 32px;
    }

    .transfer {
        overflow: hidden;
        height: 1620px;
    }

    .transfer_content {
        display: block;
        width: auto;
        margin-top: 80px;
        margin-left: 32px;
        margin-right: 32px;
    }

    .transfer_img_iphone {
        position: absolute;
        width: 420px;
        left: 16%;
    }
    
    .transfer_img_iphone_before {
        top: 460px;
        z-index: 2;
    }

    .transfer_img_iphone_after {
        left: 338px;
        z-index: 1;
    }
}

@media screen and (min-width: 768px) and (max-width: 1366px) {
    .theme {
        height: auto;
        padding: 60px 0;
    }
    .transfer_img {
        height: auto;
    }

    .transfer_img_iphone {
        position: absolute;
        width: 50%;
        left: 10%;
    }

    .transfer_img_iphone_before {
        top: 230px;
        z-index: 2;
    }

    .transfer_img_iphone_after {
        left: 38%;
        z-index: 1;
    }
}