html,
body,
#fullpage,
.section {
    height: 100%;
}

body {
    background: url(../images/bg.jpg) top center no-repeat #fff;
    background-size: cover;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

.mb-4 {
    margin-bottom: 4rem;
}

.mb-5 {
    margin-bottom: 5rem;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mt-4 {
    margin-top: 4rem;
}

.mt-5 {
    margin-top: 5rem;
}

.section {
    text-align: center;
}

.content-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 10px;
    box-sizing: border-box;
}

.download-btn {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    max-width: 162px;
    width: 100%;
    line-height: 43px;
    display: block;
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
    border-radius: 10px;
    background: rgb(7, 164, 59);
    background: linear-gradient(90deg,
            rgba(7, 164, 59, 1) 0%,
            rgba(214, 220, 33, 1) 100%);
    -webkit-box-shadow: 0px 6px 7px 0px rgba(0, 0, 0, 0.45);
    -moz-box-shadow: 0px 6px 7px 0px rgba(0, 0, 0, 0.45);
    box-shadow: 0px 6px 7px 0px rgba(0, 0, 0, 0.45);
    transition: background 0.2s ease;
}

.download-btn.inprogress {
    background: #213128;
}

.download-btn .progressbar {
    background: rgb(7, 164, 59);
    background: linear-gradient(90deg,
            rgba(7, 164, 59, 1) 0%,
            rgba(214, 220, 33, 1) 100%);
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 43px;
    z-index: 1;
    transition: width 0.1s linear;
}

.download-btn label {
    display: block;
    position: relative;
    z-index: 2;
    cursor: pointer;
}

h1 {
    padding: 20px 10px 0;
    text-align: center;
    margin: 0;
}

h1 img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

/* section1 */
#section1 {
    display: flex;
}

#section1 .item {
    flex: 1;
    padding: 0 10px;
    text-align: center;
}

#section1 img {
    max-width: 100%;
}

.bot {
    position: relative;
}

.bot img {
    display: block;
    margin: 0 auto;
    animation: mover 0.6s infinite alternate;
    position: relative;
}

.bot p {
    color: #000;
    text-transform: uppercase;
    font-weight: 500;
    font-size: 12px;
    margin-top: 8px;
}

.bot .go-down {
    text-align: center;
    position: relative;
    height: 32px;
    max-width: 25px;
    margin: 0 auto;
}

.bot .go-down span {
    border-style: solid;
    border-color: #108a43;
    display: inline-block;
    border-right-width: 0;
    border-top-width: 0;
    border-left-width: 3px;
    border-bottom-width: 3px;
    transform: rotate(-45deg);
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-animation: sdb07 2s infinite;
    animation: sdb07 2s infinite;
    opacity: 0;
}

.bot .go-down span:nth-of-type(1) {
    width: 15px;
    height: 15px;
    border-color: rgba(16, 138, 67, 0.4);
    margin-left: -8px;
    top: -4px;
    -webkit-animation-delay: 0s;
    animation-delay: 0s;
}

.bot .go-down span:nth-of-type(2) {
    width: 15px;
    height: 15px;
    border-color: rgba(16, 138, 67, 0.7);
    margin-left: -8px;
    top: 4px;
    -webkit-animation-delay: 0.15s;
    animation-delay: 0.15s;
}

.bot .go-down span:nth-of-type(3) {
    width: 15px;
    height: 15px;
    margin-left: -8px;
    top: 12px;
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
}

.inner-wrap {
    max-width: 440px;
    margin: 0 auto;
    position: relative;
    top: -45px;
}

.media {
    display: flex;
    align-items: center;
}

.media img {
    margin-right: 1rem;
    max-width: 100%;
}

.media-body {
    flex: 1;
}

.media-body p {
    font-size: 18px;
    color: #333;
    text-transform: uppercase;
    text-align: left;
    font-style: italic;
    font-weight: 700;
    margin: 0;
    position: relative;
    top: -18px;
}

.img-wrap {
    max-width: 256px;
    margin: -66px auto 0;
    position: relative;
}

.img-wrap > img {
    max-width: 100%;
    display: block;
    margin: 0;
    position: relative;
    z-index: 1;
}

.img-wrap .arrow {
    position: absolute;
    z-index: 2;
    animation: mover 1s infinite alternate;
}

/*  fullpage nav */
#fp-nav {
    display: none;
}

.fp-slidesNav.bottom {
    text-align: center;
}

.fp-slidesNav ul li {
    margin: 7px 4px;
}

.fp-slidesNav ul li a span {
    width: 10px !important;
    height: 10px !important;
    background: #747575;
    margin: 0 !important;
}

.fp-slidesNav ul li a.active span {
    background: #fff;
}

@-webkit-keyframes sdb07 {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

@keyframes sdb07 {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

@-webkit-keyframes mover {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-5px);
    }
}

@keyframes mover {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-5px);
    }
}

/* ussage: animate: MoveUpDown-step4Huawei 2s ease infinite  */

@media only screen and (min-width: 320px) {
    #section1 img.app-icon {
        max-width: 60%;
    }

    .inner-wrap {
        top: -50px;
    }

    .media-body p {
        font-size: 14px;
    }

    .media img {
        max-width: 115px;
    }

    .img-wrap {
        margin-top: -40px;
    }

    .img-wrap > img {
        max-width: 180px;
        margin-left: auto;
        margin-right: auto;
    }

    .img-wrap .arrow img {
        width: 48px;
    }

    .step1 .arrow {
        bottom: 85px;
        right: 58px;
    }

    .step2 .arrow {
        bottom: 81px;
    }

    .step3 .arrow {
        bottom: 167px;
        right: 55px;
    }

    .step4 .arrow {
        bottom: 146px;
        right: 104px;
    }

    .step5 .arrow {
        bottom: 132px;
        right: 49px;
    }

    .step6 .arrow {
        bottom: 73px;
        right: 70px;
    }

    .step7 .arrow {
        bottom: 74px;
        right: 73px;
    }
}

@media only screen and (min-width: 360px) {
    .media-body p {
        font-size: 16px;
    }

    .img-wrap > img {
        max-width: 200px;
    }

    .img-wrap .arrow img {
        width: 50px;
    }

    .step1 .arrow {
        bottom: 97px;
        right: 51px;
    }

    .step2 .arrow {
        bottom: 90px;
    }

    .step3 .arrow {
        bottom: 189px;
        right: 51px;
    }

    .step4 .arrow {
        bottom: 164px;
        right: 102px;
    }

    .step5 .arrow {
        bottom: 148px;
        right: 41px;
    }

    .step6 .arrow {
        bottom: 84px;
        right: 68px;
    }

    .step7 .arrow {
        bottom: 84px;
        right: 68px;
    }
}

@media only screen and (min-width: 375px) {
    .media-body p {
        font-size: 18px;
    }

    .img-wrap > img {
        max-width: 215px;
    }

    .img-wrap .arrow img {
        width: 54px;
    }

    .step1 .arrow {
        bottom: 105px;
        right: 46px;
    }

    .step2 .arrow {
        bottom: 97px;
    }

    .step3 .arrow {
        bottom: 203px;
        right: 46px;
    }

    .step4 .arrow {
        bottom: 178px;
        right: 100px;
    }

    .step5 .arrow {
        bottom: 160px;
        right: 34px;
    }

    .step6 .arrow {
        bottom: 91px;
        right: 63px;
    }

    .step7 .arrow {
        bottom: 91px;
        right: 63px;
    }
}

/* iphonex */
@media only screen and (min-device-width: 375px) and (max-device-height: 812px) and (-webkit-device-pixel-ratio: 3) {
    .img-wrap > img {
        max-width: 256px;
    }

    .img-wrap .arrow img {
        width: 68px;
    }

    .step1 .arrow {
        bottom: 122px;
        right: 28px;
    }

    .step2 .arrow {
        bottom: 114px;
    }

    .step3 .arrow {
        bottom: 240px;
        right: 26px;
    }

    .step4 .arrow {
        bottom: 209px;
        right: 92px;
    }

    .step5 .arrow {
        bottom: 189px;
        right: 14px;
    }

    .step6 .arrow {
        bottom: 107px;
        right: 47px;
    }

    .step7 .arrow {
        bottom: 107px;
        right: 49px;
    }
}

@media only screen and (min-width: 414px) {
    .img-wrap > img {
        max-width: 256px;
    }

    .img-wrap .arrow img {
        width: 68px;
    }

    .step1 .arrow {
        bottom: 122px;
        right: 28px;
    }

    .step2 .arrow {
        bottom: 114px;
    }

    .step3 .arrow {
        bottom: 240px;
        right: 26px;
    }

    .step4 .arrow {
        bottom: 209px;
        right: 92px;
    }

    .step5 .arrow {
        bottom: 189px;
        right: 14px;
    }

    .step6 .arrow {
        bottom: 107px;
        right: 47px;
    }

    .step7 .arrow {
        bottom: 107px;
        right: 49px;
    }
}

@media only screen and (min-width: 480px) {
    #section1 img.app-icon {
        max-width: 100%;
    }
}

@media only screen and (min-width: 768px) {
    .inner-wrap {
        top: -45px;
    }

    .media img {
        max-width: 157px;
    }

    .img-wrap {
        margin-top: -40px;
    }
}