@charset "utf-8";
/* CSS Document */

/*@media screen and (min-width: 414px) and (max-width: 768px) {*/

/*.slider-page {*/
/*width: 100%;*/
/*position: absolute;*/
/*!*top: 20% !important;*!*/
/*}*/
/*}*/

.box {
    width: 100%;
    height: 100%;
}

.box1 {
    width: 100%;
    /*background: url(https://cdn01.imgs.duolebo.com/dlbimg/3.0.0.0/images/index_bg.png);
    background-repeat:no-repeat;
    background-size:cover;
    background-size:100%;*/
}

h1 {
    font-size: 1.2rem;
}

/*内容*/
.main {
    width: 100%;
    margin-top: 5rem;
}

.main_top {
    width: 100%;
    height: 22rem;
}

.mobile_maint_img {
    display: none;
}

.maint {
    max-width: 60rem;
    height: 100%;
    margin: 0 auto;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ccc;
}

.maint_z {
    position: relative;
    width: 25rem;
    top: 3rem;
    /*height: 11rem;*/
    /*margin-top: 8rem;*/
    color: #fff;
}

.maint_img {
    float: right;
    width: 50%;
    /*position: relative;*/
    /*text-align:center;*/
    /*right: 60%;*/
}

.maint_z p {
    margin-top: 2rem;
    font-size: 1rem;
    color: #666;
}

.mobile_maint_z, .mobile_mainc_z, .mobile_mainb_z {
    display: none;
}

.main_center {
    width: 100%;
    height: 32rem;
}

.mainc {
    max-width: 60rem;
    height: 100%;
    margin: 0 auto;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ccc;
}

.mainc_img {
    width: 50%;
    margin: 5rem auto;
}

.mainc_z {
    float: right;
    width: 25rem;
    margin-top: 9rem;
}

.mainc_z p {
    margin-top: 2rem;
    font-size: 1rem;
    color: #666;
}

.main_bottom {
    width: 100%;
    height: 33.5rem;
}

.mainb {
    max-width: 60rem;
    height: 100%;
    margin: 0rem auto;
    border-bottom: 1px solid #ccc;
}

.mainb_z {
    float: left;
    width: 25rem;
    margin-top: 9rem;
}

.mainb_z p {
    margin-top: 2rem;
}

.mainb_img {
    position: relative;
    width: 50%;
    left: 5rem;
    margin: 5rem auto;
}

.main0 {
    max-width: 60rem;
    height: 44rem;
    margin: 0 auto;
    border-bottom: 1px solid #ccc;
}

.mobile_title, .mobile_img, .mobile_links, .mobile_bottom {
    display: none;
}

.main0_1 {
    max-width: 60rem;
    /*width: 60rem;*/
    height: 5rem;
    margin: 0 auto;
    padding-top: 5rem;
}

h4 {
    text-align: center;
}

.main0_2 {
    max-width: 50rem;
    /*width: 50rem;*/
    margin: 0 auto;
}

.main0_3 {
    margin: 0 auto;
    /*width: 50rem;*/
    max-width: 50rem;
    height: 26.7rem;
    background: url(https://cdn01.imgs.duolebo.com/dlbimg-ywb/3.0.0.0/images/liuchengtu.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-size: 100% auto;
    margin-top: 3rem;
}

.main1 {
    width: 100%;
    height: auto;
    margin-top: 5rem;
}

.main1 img {
    width: 100%;
    margin-top: -6rem
}

.main1_1 {
    float: right;
    width: 100%;
    height: 5rem;
    margin: 0 auto;
}

h5 {
    text-align: center;
}

.main2 {
    width: 100%;
    height: 29rem;
    background: url(https://cdn01.imgs.duolebo.com/dlbimg/3.0.0.0/images/index_main2_t.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-size: 100% auto;
    margin-top: 4rem;
}

.main2_1 {
    max-width: 60rem;
    /*width: 60rem;*/
    height: 5rem;
    margin: 0 auto;
}

h6 {
    text-align: center;
}

.main2 > img {
    margin-right: 15rem;
}

.main2_2 {
    margin: 0 auto;
    max-width: 50rem;
    /*width: 50rem;*/
    height: 51.95rem;
    background: url(https://cdn01.imgs.duolebo.com/dlbimg-ywb/3.0.0.0/images/index_main2_c1.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-size: 100% auto;
}

/**/
/*轮播图banner*/
.wrab_center {
    display: flex;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: 25rem;
    margin-top: 2rem;
}

.banner {
    width: 100%;
    height: 25rem;
}

.slider-main {
    clear: both;
    width: 60rem;
    margin: 0 auto;
}

.slider-panel {
    position: absolute;
    width: 60rem;
    height: 25rem;
}

.slider-panel a img {
    display: block;
    width: 60rem;
    height: 25rem;
    border: none;
}

.slider-panel, .slider-nav, .slider-pre, .slider-next {
    /*position: absolute;*/
    z-index: 8;
}

.slider-extra {
    position: relative;
}

.slider-nav {
    margin-left: -2.55rem;
    position: absolute;
    left: 50%;
    bottom: 4px;
}

.slider-nav li {
    background: #c3bfbf;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    margin: 0 2px;
    overflow: hidden;
    text-align: center;
    display: inline-block;
    height: 0.9rem;
    line-height: 0.9rem;
    width: 0.9rem;
}

.slider-nav .slider-item-selected {
    background: #5d5d5f;
}

.slider-page {
    position: relative;
    width: 100%;
    height: 2.5rem;
    top: 11rem;
}

.slider-pre {
    float: left;
    margin-left: 1rem;
}

.slider-next {
    float: right;
    margin-right: 1rem;
}

.slider-page a {
    display: block;
    background: rgba(0, 0, 0, 0.2);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#33000000, endColorstr=#33000000);
    color: #fff;
    text-align: center;
    font-family: "simsun";
    font-size: 1.1rem;
    width: 2.5rem;
    height: 2.5rem;
    line-height: 2.5rem;
    border-radius: 50%;
}

.slider-page a:HOVER {
    background: rgba(0, 0, 0, 0.4);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000, endColorstr=#66000000);
}

.new_menu {
    display: flex;
    justify-content: center;
    max-width: 60rem;
    margin: 0 auto;
}

nav {
    height: 5rem;
    margin: 0 auto;
    text-align: center;
}

nav ul {
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: #ffe;
    font-family: monospace;
    display: block;
    font-size: 1rem;
    font-family: "Raleway", sans-serif;
    z-index: 1;
}

.app_menu {
    width: 11rem;
    z-index: 9;
    padding-top: 2.1rem;
    border-top: solid 1px #ffffff;
}

.app_menu li {
    width: 11rem;
}

.app_menu a {
    color: #ff6600;
    width: 11rem;
    margin: 0;
    padding: 0;
    font-size: 1rem;
}

.menu1 {
    width: 100%;
    height: 12.3rem;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    background-image: url("../images/app_download.png");
    background-size: 100% 100%;
    visibility: hidden;
}

.menu1 li {
    float: left;
    padding-left: 1.2rem;
    padding-top: 0.5rem;
}

.menu1 img {
    float: left;
    height: 1.2rem;
}

.menu1 a {
    float: left;
    width: 4rem;
    margin-left: 0.5rem;
    text-align: left;
    font-size: 1rem;
}

.login_icon {
    padding-top: 1.7rem;
}

.app_menu a:hover + .menu1 {
    visibility: visible;
}

.menu1:hover {
    visibility: visible;
}

.active a {
    width: 4rem;
    font-size: 1rem;
}


.app_menu1 {
    width: 11rem;
    z-index: 9;
    border-top: solid 1px #ffffff;
}

.app_menu1 li {
    width: 11rem;
}

.app_menu1 a {
    color: #ff6600;
    width: 11rem;
    margin: 0;
    padding: 0;
    font-size: 1rem;
}

.app_menu1 a:hover + .menu2 {
    visibility: visible;
}

.menu2 {
    width: 6rem;
    height: 9.7rem;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    background-image: url("../images/app_download.png");
    background-size: 100% 100%;
    visibility: hidden;
}

.menu2 li {
    float: left;
    width: 5rem;
    padding-left: 1.2rem;
    padding-top: 0.5rem;
}

.menu2 li img {
    float: left;
    height: 4rem;
    margin: 1rem 1rem 1rem 2rem;
}

.menu2 li a {
    float: left;
    width: 4rem;
    margin-left: 0.5rem;
    text-align: left;
    font-size: 1rem;
}

.menu2:hover {
    visibility: visible;
}

@media screen and (min-width: 100px) and (max-width: 767px) {

    h1, h4, .main0_1, .main0_3, .footer_top, .logo {
        display: none;
    }

    .mobile_title h1, .mobile_title h2, .main1_1 h5, .main2_1 h6 {
        font-size: 3rem;
    }

    .header {
        overflow: hidden;
    }

    .box1 nav {
        display: none;
    }

    .main_top {
        width: 100%;
        height: 44rem;
    }

    .mobile_maint_img, .mobile_maint_z, .mobile_mainc_z, .mobile_mainb_z {
        display: block;
    }

    .mobile_maint_img > img {
        width: 50%;
        padding-top: 5rem;
    }

    .mobile_links, .mobile_bottom {
        display: block;
    }

    .mobile_title {
        display: block;
        height: auto;
        margin-bottom: 3rem;
        padding-top: 5rem;
    }

    .mobile_title h1 {
        display: block;
        width: 100%;
        text-align: center;
    }

    .mobile_title h2 {
        width: 100%;
        margin-top: 0.5rem;
        text-align: center;
        font-size: 2.5rem;
        font-weight: normal;
    }

    .maint_img, .maint_z, .mainc_img, .mainc_z, .mainb_img, .mainb_z {
        display: none;
    }

    .main_top, .maint {
        height: auto;
        overflow: hidden;
    }

    .main_bottom, .mainb {
        height: auto;
        overflow: hidden;
    }

    .maint, .mainc, .mainb {
        border: 0px;
    }

    .main_center, .mainc, .mainc_z {
        height: auto;
        overflow: hidden;
    }

    .maint_z, .mainc_z, .mainb_z {
        width: 30rem;
    }

    .mainc_z p {
        margin-top: 0rem;
        font-size: 2.5rem;
    }

    .maint_z p, .mainb_z p, .main0_2 p {
        font-size: 2.5rem;
    }

    .maint_z, .mainc_z, .mainb_z, .mainb_z p {
        margin-top: 0px;
        top: 0rem;
    }

    .mobile_maint_z p, .mobile_mainc_z p, .mobile_mainb_z {
        font-size: 2.5rem;
    }

    .mainc_img, .mainb_img, .maint_img {
        margin-top: 2rem;
        margin-left: 0rem;
        margin-right: 0rem;
    }

    .mainc_img {
        margin-bottom: 0rem;
        right: 1rem;
    }

    .mainb_img {
        left: 1rem;
    }

    .main0 {
        height: auto;
        padding-bottom: 5rem;
        border: 0;
    }

    .mobile_img {
        display: block;
        margin: 0 auto 3rem;
        width: 60rem;
        max-width: 60rem;
        height: 26.7rem;
        background: url(https://cdn01.imgs.duolebo.com/dlbimg-ywb/3.0.0.0/images/liuchengtu.png) no-repeat;
        background-size: cover;
        background-size: 100% auto;
    }

    .mobile_footer {
        display: block;
    }

    .main0_2 {
        width: 60rem;
        max-width: 60rem;
    }
}

@media screen and (min-width: 768px) and (max-width: 960px) {
    .menu1 {
        height: 12.3rem;
    }

    .main_top {
        height: 24rem;
    }

    .main_center {
        height: 35rem;
    }

    .mainc_z {
        margin-top: 5rem;
    }

    .menu1 {
        height: 13.2rem;
    }
}

@media screen and (min-width: 960px) and (max-width: 1024px) {
    .menu1 {
        height: 11.5rem;
    }
}