body {
    margin: 0;
    color: #fff;
}
a{
    color: #333;
}

.flex {
    display: flex;
}
.jc-sb {
    justify-content: space-between
}
.jc-c {
    justify-content: center
}
.ai-c {
    align-items: center
}
header {
    height: 60px;
    line-height: 60px;
     background: url('./home_banner_bg.svg'); 
    /*background-color: #2FA8B0;*/
    
    /*background-image: linear-gradient(to right, #24f7bc, #24dedb);*/
}
footer {
    margin-top: 73px;
    height: 100px;
    font-size: 16px;
    line-height: 100px;
    background: #1E1E1E;
    text-align: center;
}
.mt10 {
    margin-top: 10px;
}
.div-c {
    margin: 0 auto;
}
.title {
    font-size: 32px;
    color: #333;
}
.explain {
    font-size: 20px;
    color: #999;
    font-weight: 300px;
}
.line {
    width: 42px;
    height: 5px;
    background: #1d71f2;
}
.white-line {
    width: 50px;
    height: 5px;
    background: #fff;
    margin: 0 auto
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}
.drop {
    position: absolute;
    top: 50px;
    width: 145px;
    height: 100px;
    background: #FFFFFF;
    box-shadow: 0 0 10px 0 rgba(191,191,191,0.26);
    border-radius: 6px;
    display: none;
    padding: 10px 0;
    z-index: 100;
}
.drop a {
    text-decoration: none;
}
.drop a:visited {
    color: #000;
}
.drop-item {
    height: 50px;
    padding: 0 20px;
    display: flex;
    align-items: center;
}
.drop-item:hover {
    cursor: pointer;
    background: #ddd;
}
.drop-item img {
    width: 24px;
    height: 17px;
    display: block;
}
.head-right:hover .drop {
    display: block;
}
.logo {
    width: 91px;
    display: block;
}
.logo-e {
    width: 118px;
    display: block;
}
.head-right {
    font-weight: 300;
    font-size: 20px;
    display: flex;
    align-items: center;
}
.head-right-m {
    display: none    
}
.back-info-container {
    width: 1110px;
    margin: 0 auto;
    padding-top: 185px;
    position: relative;
}
.back-info-m-container {
    display: none;
}
.back-info {
    height: 810px;
    display: flex;
    font-weight: 300;
    flex-direction: column;
    align-items: center;
     background: url('./home_banner_bg.svg') no-repeat center center;
    background-size: cover; 
    /*background-color: #2FA8B0;*/
    /*background-image: linear-gradient(to bottom right, #24f7bc, #24c5fb);*/
    margin-bottom: 318px;
}
.back-info-img {
    width: 251px; 
}
.back-info-img-e {
    width: 371px; 
}
.back-info-word {
    color: #444444;
    font-size: 32px; margin-top: 8px
}
.back-info-phone {
    position: absolute;
    right: 0;
    bottom: -100px;
}
.back-info-phone img {
    width: 730px;
}
.back-info .download {
    margin-top: 60px;
    width: 700px;
}
.download-m {
    display: none;
}
.back-info .download a {
    display: inline-block;
    text-decoration: none;
    width: 142px;
    margin-right: 20px;
    margin-bottom: 20px;
}
.back-info .download img {
    width: 142px;
}
.back-info .download img:last-child {
    margin-right: 0;
}
.downloadBox{
    width: 150px;
    height: 150px;
    border-radius: 8px;
    background-color: #fff;
    margin-right: 10px;
    float: left;
    position: relative;
    font-size: 14px;
}
.content-info {
    margin-top: 100px;
}
.content-info .right {
    padding: 0 220px;
    position: relative;
    margin-left: 200px;
    height: 360px;
    /* background-image: linear-gradient(270deg, rgba(250,209,64,0.05) 2%, rgba(250, 209, 64, .2) 54%); */
    background-image: linear-gradient(270deg, rgba(47,168,176,0.05) 1.3%, rgba(47,168,176,.15) 54%);
}
.content-info .right img {
    position: absolute;
    left: 40px;
    top: -30px;
    width: 82px;
}
.content-info .right .title {
    padding-top: 95px;
} 
.content-info .right .line {
    margin-top: 20px;
}
.content-info .right .explain {
    width: 760px;
    margin-top: 20px;
    color: #666;
}
.content-info .left {
    padding: 0 220px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-right: 200px;
    height: 360px;
    background-image: linear-gradient(270deg, rgba(208, 208, 208, .2) 35%, rgba(208,208,208,0.05) 100%);
}
.content-info .left img {
    position: absolute;
    right: 40px;
    bottom: -38px;
    width: 82px;
}
.content-info .left .title {
    padding-top: 95px;
} 
.content-info .left .line {
    margin-top: 20px;
}
.content-info .left .explain {
    width: 760px;
    margin-top: 20px;
    color: #666;
    text-align: right;
}
.content-info .intro {
    padding-top: 75px;
    height: 660px;
}
.content-info .intro img {
    width: 280px;
}
.intro-item {
    text-align: center;
    width: 350px;
}
.intro-item:last-child {
    margin-left:240px
}
.yellow-bg {
    margin: 0 auto;
    margin-top: 140px;
    width: 1100px;
    text-align: center;
    height: 335px;
    background: url('../img/free_bg@3x.png') no-repeat;
    background-size: contain;
}
.free {
    font-size: 50px; color: #fff; padding-top: 20px
}
.introduce {
    font-size: 20px; font-weight: 300; width: 900px; margin-top: 80px
}
.box1{
    text-align: center;
    padding: 17px;
    width: 100%;
    height: 100%;
    color: #666;
    box-sizing: border-box;
    font-weight: 700;
    padding-top: 32px;
    cursor: pointer;
}
.downloadBox:hover > .box2{
    display: block;
}
.downloadBox:hover > .box3{
    display: block;
}
.box2{
    display: none;
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    box-sizing: border-box;
    padding: 5px;
    cursor: pointer;
}
.box3{
    display: none;
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    box-sizing: border-box;
    text-align: center;
    padding: 17px;
    width: 100%;
    height: 100%;
    color: #666;
    box-sizing: border-box;
    font-weight: 500;
    padding-top: 32px;
    cursor: pointer;
}
.box1Img{
    width: 48px !important;
    height: 48px;
    margin-bottom: 20px;
}
.box2Img{
    width: 100% !important;
    height: 100%;
}
.box3Img{
    width: 48px !important;
    height: 48px;
    margin-bottom: 16px;
}
.box3Btn{
    width: 100px !important;
    height: 30px;
    line-height: 30px;
    background-color: #00abb1;
    text-align: center;
    color: #fff;
    border-radius: 6px;
    margin: auto !important;
}
@media screen and (min-width: 1920px) {
    .content-info .left {
        margin-right: 400px;
    }
    .content-info .right {
        margin-left: 400px;
    }
}
@media screen and (max-width: 600px) {
    header {
        height: .4rem;
        line-height: .4rem;
    }
    .title {
        font-size: .24rem;
    }
    .line {
        width: .42rem;
        height: .05rem;
    }
    .explain {
        font-size: .14rem;
    }
    .header-container {
        height: .46rem;
        padding: 0 .15rem;
    }
    .drop-mask {
        position: fixed;
        top: 0;
        bottom: 0;
        right: 0;
        left: 0;
        background: rgba(0, 0, 0, .2);
        z-index: 999;
        font-size:  .14rem;
        display: none
    }
    .drop-mask-active {
        display: block
    }
    .drop-draw.active {
        right: 0;
    }
    .drop-draw {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 1.5rem;
        right: -1.5rem;
        animation: draw-in .5s;
        background: #fff;
    }
    .drop-draw-out {
        animation: draw-out .5s;
    }
    @keyframes draw-in {
        0% {
            transform: translate(100%)
        }
        100% {
            transform: translate(0);
        }
    }
    @keyframes draw-out {
        0% {
            transform: translate(0)
        }
        100% {
            transform: translate(100%);
        }
    }
    .drop-draw-title {
        height: .46rem;
        line-height: .46rem;
        text-align: center;
        background: #eee;
        color: #333;
    }
    .drop-draw a {
        text-decoration: none;
    }
    .drop-draw a:visited {
        color: #000;
    }
    .back-info-container {
        display: none;
    }
    .back-info-m-container {
        display: block;
        display: flex;
        font-weight: 300;
        flex-direction: column;
        align-items: center;
    }
    .head-right {
        display: none;
    }
    .head-right-m {
        display: block;
    }
    .head-right-m img {
        width: .2rem;
        display: block;
    }
    .logo {
        width: .8rem;
        display: block;
    }
    .back-info {
        height: 3.95rem;
        display: flex;
        font-weight: 300;
        flex-direction: column;
        align-items: center;
        /* background: url('../img/bg@3x.png') no-repeat center center; */
        /* background-size: cover; */
        /*background-color: #2FA8B0;*/

    background-image: linear-gradient(to bottom right, #ffe92c, #f9e538);
        margin-top: -1px;
        margin-bottom: 0;
    }
    .back-info-img {
        margin-top: .3rem;
        width: 1.13rem;
        padding-left: .3rem;
        display: block;
    }
    .back-info-img-e {
        width: 2.05rem;
    }
    .back-info-word {
        font-size: .19rem;
    }
    .download {
        display: none;
    }
    .download-m {
        display: block;
        margin-top: .83rem;
        padding: 0 .36rem;
        display: flex;
        justify-content: space-between;
    }
    .download-m img {
        width: 1.42rem;
        display: block;
    }
    .back-info-phone {
        position: relative;
        right: 0;
        bottom: 0;
        margin-top: .35rem;
    }
    .back-info-phone img {
        width: 3rem;
    }
    .content-info {
        margin-top: .83rem;
    }
    .content-info .right {
        padding: 0 .35rem;
        position: relative;
        margin-left: .3rem;
        height: 3rem;
        /* background-image: linear-gradient(270deg, rgba(250,209,64,0.05) 2%, rgba(250, 209, 64, .2) 54%); */
        background-image: linear-gradient(270deg, rgba(47,168,176,0.00) 1.1%, rgba(47,168,176,0.14) 54%);
    }
    .content-info .right .title {
        padding-top: .5rem;
    }
    .content-info .right .line {
        margin-top: .2rem;
    }
    .content-info .right .explain {
        width: 2.65rem;
        margin-top: .2rem;
        text-align: left;
    }
    .content-info .right img {
        position: absolute;
        left: .3rem;
        top: -.22rem;
        width: .49rem;
    }
    .content-info .left {
        margin-top: .4rem;
        padding: 0 .35rem;
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        margin-right: .3rem;
        height: 3rem;
        background-image: linear-gradient(270deg, rgba(208, 208, 208, .2) 35%, rgba(208,208,208,0.05) 100%);
    }
    .content-info .left img {
        position: absolute;
        right: .3rem;
        bottom: -.2rem;
        width: .49rem;
    }
    .content-info .left .title {
        padding-top: .5rem;
    }
    .content-info .left .line {
        margin-top: .2rem;
    }
    .content-info .left .explain {
        width: 2.7rem;
        margin-top: .2rem;
        text-align: left;
    }
    .content-info .intro {
        padding-top: .52rem;
        height: auto;
        flex-wrap: wrap;
        align-items: center;
    }
    .content-info .intro img {
        width: 2.3rem;
    }
    .intro-item {
        text-align: center;
        width: 350px;
    }
    .intro-item:last-child {
        margin-left: 0;
        margin-top: .5rem;
    }
    .yellow-bg {
        margin: 0 auto;
        margin-top: .7rem;
        width: 3.35rem;
        text-align: center;
        height: 3.44rem;
        border-radius: .2rem;
        background: url('../img/free_bg@3x.png') no-repeat;
        background-size: 3.35rem 3.44rem;
    }
    .free {
        font-size: .3rem; color: #fff; padding-top: .35rem;
    }
    .introduce {
        font-size: .14rem; font-weight: 300; width: 2.94rem; margin-top: .8rem
    }
    .white-line {
        width: .6rem;
        height: .05rem;
        background: #fff;
        margin: 0 auto
    }
    footer {
        height: .5rem;
        font-size: .12rem;
        line-height: .5rem;
        background: #1E1E1E;
        text-align: center;
    }
}