@viewport {
    width: 320px auto;
}
html {
  min-height: 100%;
  position: relative; 
}
body {
    position: relative;
        font-family: -apple-system,
                BlinkMacSystemFont,
                "Microsoft YaHei"
                "Segoe UI",
                Roboto,
                Oxygen-Sans,
                Ubuntu,
                Cantarell,
                "Helvetica Neue",
                sans-serif;
    color: #4c4c4c;
    overflow-x: hidden;
}
main {
    position: relative;
    height: 100%;
    min-height: 300vh;
    padding-bottom: 680px;
}
main > section {
    position: relative;
    padding-top: 60px;
}
section img {
    width: 100%;
}
h1, h2, h3 {
    font-weight: bold;
}
h1 {
    font-size: 32px;
    text-align: center;
    margin-bottom: 60px;
}
p {
        font-family: -apple-system,
                BlinkMacSystemFont,
                "Microsoft YaHei"
                "Segoe UI",
                Roboto,
                Oxygen-Sans,
                Ubuntu,
                Cantarell,
                "Helvetica Neue",
                sans-serif;
    font-weight: normal;
}
header{
    z-index: 100;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding-top: 30px;
    width: 100%;
    text-align: left;
}
header img {
    max-width: 240px;
}

.orange {
    color: #ff7313;
}
.main {
    background-color: #6594cf;
    background-image: url('imgs/bitmap-oval@2xc.png');
    background-repeat: no-repeat;
    padding: 220px 0 30px 0;
    background-size: 100% 75vh;
    background-position-x: 50%;
    background-position-y: 0%;
    color: #fff;
    height: 100vh;
    max-height: 1000px;
    min-height: 480px;
    display: flex;
}
.vertical-wrap {
    position: relative;
    display: table-cell;
    vertical-align: middle;
}
.main .container {
    padding-top: 95px;
    height: 100%;
    /* display: table; */
    display: inline-grid;
    left: 0;
    right: 0;
    top: 0;
    position: absolute;
}
.main .screen-xs {
    display: none;
}
.main .screen {
    text-align: right;
}
.main .screen img {
    max-width: 56.3vh;
    min-width: 440px;
}
.main h1 {
    font-size: 42px;
    text-align: left;
    margin-top: 0;
    margin-bottom: 0.8em;
}
.main p {
    font-family: -apple-system,
                BlinkMacSystemFont,
                "Microsoft YaHei"
                "Segoe UI",
                Roboto,
                Oxygen-Sans,
                Ubuntu,
                Cantarell,
                "Helvetica Neue",
                sans-serif;
    font-size: 20px;
    line-height: 28px;
    margin-top: 30px;
}
.main .btn {
    margin-top: 0.8em;
    border-radius: 30px;
    color: #ff7313;
    font-size: 22px;
    line-height: 33px;
    padding: 8px 37px;
    -webkit-transition: all 200ms ease-in;
    -webkit-transform: scale(1);
    -ms-transition: all 200ms ease-in;
    -ms-transform: scale(1);
    -moz-transition: all 200ms ease-in;
    -moz-transform: scale(1);
    transition: all 200ms ease-in;
    transform: scale(1);
    outline: none;
    border: none;
}

.main .btn:focus, .main .btn:active {
    outline: 0;
}

.main .btn.btn-default:hover {
    background-color: #fff;
    box-shadow: 0px 0px 20px rgba(0,0,0,0.2);
    z-index: 2;
    transition: all 200ms ease-in-out;
    transform: scale(1.2);
}
.mouse {
    text-align: center;
    position: absolute;
    bottom: 0.7em;
    left: 0;
    right: 0;
    cursor: pointer;
}
.mouse img {
    width: 25px;
}
.mouse {
    animation: bounce 2s infinite;
}
.mouse:hover {
    animation: bounce 2s infinite;
}
.so p {
    font-size: 16px;
    line-height: 23px;
}
.so hr {
    width: 320px;
    margin-left: 0;
}
.so .screens img {
    width: 100%;
}
.specials p {
    font-size: 16px;
    line-height: 23px;
}
.specials .blue {
    border-top: 3px solid #3d7bc5;
    width: 60px;
    margin-left: 0;
}
.specials img {
    width: 100%;
}
.why {
    margin-bottom: 50px;
}

.anim-target {
    opacity: 0;
    transform: translateY(100px);
    transition-duration: 0.7s;
    transition-property: opacity,transform;
    transition-timing-function: ease;
}

.anim-box {
    -webkit-animation: fadeAmination 1s ease-out 0.5s forwards;
    -moz-animation: fadeAmination 1s ease-out 0.5s forwards;
    animation: fadeAmination 1s ease-out 0.5s forwards;
}

@-webkit-keyframes fadeAmination {
    0%{opacity: 0; transform: translateY(100px);}
    100%{opacity: 1; transform: translate(0);}
}
@-moz-keyframes fadeAmination {
    0%{opacity: 0; transform: translateY(100px);}
    100%{opacity: 1; transform: translate(0);}
}
@keyframes fadeAmination {
    0%{opacity: 0; transform: translateY(100px);}
    100%{opacity: 1; transform: translate(0);}
}

.why h2 {
    font-size: 18px;
    color: #4c4c4c;
    opacity: 0.65;
    text-align: center;
    margin-bottom: 40px;
    margin-top: 0;
    font-weight: 100;
}
.why .point {
    text-align: center;
}
.point .icon {
    height: 85px;
}
.point svg {
    width: 100%;
    height: 85px;
}
.point:hover svg path {
    fill: #3d7bc5;
    transition: all 0.5s;
}
.point:hover svg .blue {
    fill: #ed6d16;
    transition: all 0.5s;
}

.point h3{
    font-size: 17px;
}
.point p {
    color: #8d8d8d;
    font-size: 14px;
    line-height: 20px;
}
.how {
    padding: 90px 0 0px 0;
    height: 670px;
    text-align: right;
    width: 100%;
    margin: 0px;
    position: absolute;
    bottom: 0;

    background: linear-gradient(270deg, rgb(208,116,116), rgb(33,64,158));
    background-size: 600% 600%;
    -webkit-animation: Gradient 40s ease infinite;
    -moz-animation: Gradient 40s ease infinite;
    animation: Gradient 40s ease infinite;
}

@-webkit-keyframes Gradient {
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
}
@-moz-keyframes Gradient {
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
}
@keyframes Gradient {
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
}


.how .description {
    margin-top: 8%;
    z-index: 10;
}
.how h1 {
    margin-bottom: 30px;
    text-align: right;
    color: #fff;
}
.how p {
    font-size: 16px;
    line-height: 23px;
    color: #fff;
}
.how .social_button {
    display: inline-block;
}
.how .buttons {
    display: inline-block;
    margin-top: 30px;
}
.download_button {
    text-decoration: none;
    color: #fff;
    background-color: #000;
    font-size: 20px;
    line-height: 33px;
    padding: 10px 10px;
    border: 1px solid #fff;
    border-radius: 10px;
    display: inline-block;
    width: 195px;
    height: 57px;
    float: left;
    margin-right: 10px;
}
.download_button:hover, .download_button:focus {
    text-decoration: none;
    color: #fff;
    outline: none;
}
.download_button img {
    width: 20px;
    margin-right: 10px;
}
.how .fading_mac {
    text-align: right;
    margin-top: 5%;
}
.how .fading_mac_copy {
    display: none;
    padding: 0;
}
.fading_mac img {
    z-index: 0;
    width: 110%;
}
.shadow-cover {
    position: relative;
}
.shadow-cover:after {
    content: "";
    position: absolute;
    z-index: -1;
    top: 100%;
    bottom: 0;
    width: 120%;
    height: 20px;
    left: -10%;
    right: -10%;
    background: -webkit-radial-gradient(50% -3%, ellipse cover, rgba(00, 00, 00, 0.5), rgba(97, 97, 97, 0.0) 40%);
    background: radial-gradient(ellipse at 50% -3%, rgba(00, 00, 00, 0.5), rgba(97, 97, 97, 0.0) 40%);
}
.footer {
    background-color: transparent;
    width: 100%;
    border-top: 1px solid #fff;
    height: 70px;
    color: #fff;
    padding-top: 25px;
    text-align: center;
    z-index: 100;
    position: absolute;
    bottom: 0;
}

@keyframes bounce {
    0%, 20%, 60%, 100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    40% {
        -webkit-transform: translateY(-20px);
        transform: translateY(-20px);
    }
    80% {
        -webkit-transform: translateY(-10px);
        transform: translateY(-10px);
    }
}

@media only screen and (max-width : 1200px) {
    .main h1 {
        font-size: 34px;
    }
    .main p {
        font-size: 16px;
        line-height: 28px;
    }
}
@media only screen and (max-width : 992px) {
    .main .screen img {
        min-width: initial;
    }
    .point {
        margin-bottom: 30px;
    }
    .point h3 {
        margin-top: 0;
    }
    .point .description {
        text-align: left;
    }
    .how .description {
        margin-top: 8%;
    }
    .how .buttons {
        margin-top: 10px;
    }
    .how .buttons a{
        display: block;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .how .fading_mac {
        position: absolute;
        right: -19%;
        padding-right: 0;
        text-align: right;
        margin-top: 0;
        top: calc(50% - 35px);
        transform: translateY(-50%);
    }
    .how .description {
        padding-right: 40%;
    }
}

@media only screen and (max-width: 969px) {

}
@media only screen and (max-width : 768px) {
    header {
        padding-top: 1em;
    }
    header img {
        max-width: 10em;
    }
    .main {
        background-image: none;
        background-color: #4385cb;
        padding-bottom: 22em;
    }
    .main .container {
        padding-top: 60px;
    }
    .main h1 {
        /*font-size: 30px;*/
        font-size: 2em;
        margin-bottom: 0.5em;
    }
    .main p {
        font-size: 16px;
        line-height: 28px;
        margin: 0;
    }

    .main .btn {
        margin-top: 0.2em;;
    }
    h1 {
        font-size: 28px;
        margin-bottom: 0.3em;
    }
    main {
        padding-bottom: 560px;
    }
    main > section {
        padding-top: 20px;
    }
    .main .screen {
        display: none;
    }
    .main .screen-xs {
        display: inline-block;
        max-width: 260px;
        margin-bottom: 20px;
    }
    .mouse {
        display: none;
    }
    .so .screens {
        margin-top: 20px;
    }
    .so hr {
        margin-top: 10px;
        margin-bottom: 10px;
    }
    .specials .description-img {
        margin-bottom: 20px;
    }
    .how {
        height: 560px;
        padding-top: 20px;
        text-align: center;
    }
    .how .description {
        margin-top: 0;
        padding-right: 0;
    }
    .how h1 {
        margin-bottom: 20px;
        text-align: center;
    }
    .how p{
        font-size: 15px;
        line-height: 20px;
    }
    .how .social_button {
        margin-top: 15px;
    }
    .point {
        margin-bottom: 30px;
    }
    .icon svg {
        width: 100%;
    }
    .point h3 {
        margin-top: 0;
    }
    .point .description {
        text-align: left;
    }
    .how .fading_mac {
        display: none;
    }
    .how .fading_mac_copy {
        display: inline-block;
    }
}
@media only screen and (max-width : 480px) {
    main {
        padding-bottom: 470px;
    }
    .main {
        background-image: none;
        background-color: #4385cb;
    }
    .main > section {
        padding-top: 20px;
    }
    h1 {
        margin-bottom: 30px;
        font-size: 26px;
    }
    .main, .main h1 {
        text-align: left;
    }
    .main h1 {
        font-size: 1.8em;
        margin-bottom: 20px;
    }
    .main p {
        font-size: 14px;
        line-height: 20px;
    }
    .main .btn {
        margin-top: 20px;
    }
    .mouse {
        display: none;
    }
    .why h2 {
        font-size: 15px;
        line-height: 25px;
    }
    .why .point {
        margin-bottom: 40px;
    }
    .why .point:last-child {
        margin-bottom: 0px;
    }
    .point .icon {
        padding: 0;
    }
    .how {
        height: 470px;
        padding-top: 20px;
        text-align: center;
    }
    .how .description {
        margin-top: 0;
    }
    .how, .how h1 {
        text-align: center;
    }
    .how p {
        font-size: 13px;
        line-height: 20px;
    }

}