@charset "UTF-8";
.down-wrap h2 {
    font-size: 40px;
    font-weight: normal;
    color: #47525d;
}

.down-wrap h2 i {
    font-style: normal;
    font-family: "arial";
}

.down-wrap h2 span {
    position: relative;
    top: -14px;
    left: 10px;
    font-size: 12px;
    border: 1px solid #b2c0d1;
    color: #b2c0d1;
    padding: 6px 4px;
    border-radius: 3px;
}

.down-banner {
    position: relative;
    border-bottom: 1px solid #eeeeee;
    background: url("../images/down/banner.png") no-repeat center center;
    overflow: hidden;
}

.down-banner h3 {
    padding-top: 16px;
    line-height: 24px;
    font-weight: normal;
    color: #47525d;
}

.down-banner ul {
    padding: 34px 0 40px;
}

.down-banner ul li {
    line-height: 24px;
    text-indent: 12px;
}

.down-banner ul li::before {
    content: "";
    width: 4px;
    height: 4px;
    display: inline-block;
    border-radius: 4px;
    background-color: #82939e;
    position: relative;
    top: -4px;
    left: -6px;
}

.down-banner .ibos-down {
    padding: 108px 0 68px;
    width: 38.793%;
    margin-left: 40px;
    position: relative;
    z-index: 2;
    -webkit-transform: translateX(-100px);
    -ms-transform: translateX(-100px);
    transform: translateX(-100px);
    opacity: 0;
}

.down-banner span {
    padding: 0 8px;
    color: #dedede;
}

.down-banner .right-area {
    position: absolute;
    right: 0;
    bottom: 0;
    -webkit-transform: translateY(100px);
    -ms-transform: translateY(100px);
    transform: translateY(100px);
    opacity: 0;
}

.co-down {
    padding: 100px 0 95px;
}

.co-down h2 {
    text-align: center;
    padding-bottom: 18px;
}

.co-down h4 {
    text-align: center;
    padding-bottom: 48px;
    font-weight: 200;
    font-size: 16px;
}

.co-down ul a,
.co-down ul div {
    width: 100%;
    height: 100%;
}

.co-down ul li {
    width: 23.707%;
    height: 255px;
    min-width: 150px;
    float: left;
    margin: 0 0 20px 1.724%;
    text-align: center;
    overflow: hidden;
    -webkit-transform: translateX(-200px);
    -ms-transform: translateX(-200px);
    transform: translateX(-200px);
    opacity: 0;
}

.co-down ul li:first-child {
    margin-left: 0;
}

.co-down ul a {
    display: block;
    position: relative;
    -webkit-transition: top .5s;
    transition: top .5s;
    color: #fff;
    top: 0;
}

.co-down ul a:hover {
    top: -255px;
}

.co-down ul .positive {
    padding-top: 45px;
}

.co-down ul .positive i {
    width: 66px;
    height: 96px;
}

.co-down ul .positive.iphone {
    background-color: #82939e;
}

.co-down ul .positive.iphone i {
    background-position: 0 0;
}

.co-down ul .positive.iphone span {
    background-color: #627480;
}

.co-down ul .positive.android {
    background-color: #80c700;
}

.co-down ul .positive.android i {
    background-position: -66px 0;
}

.co-down ul .positive.android span {
    background-color: #60b100;
}

.co-down ul .positive.windows {
    background-color: #40b1ff;
}

.co-down ul .positive.windows i {
    background-position: -132px 0;
}

.co-down ul .positive.windows span {
    background-color: #2896ff;
}

.co-down ul .positive.mac {
    background-color: #4b4f54;
}

.co-down ul .positive.mac i {
    background-position: -198px 0;
}

.co-down ul .positive.mac span {
    background-color: #303338;
}

.co-down ul .positive i.down-icon {
    display: inline-block;
    height: 96px;
}

.co-down ul .positive p {
    font-size: 18px;
    padding-bottom: 26px;
}

.co-down ul .positive span {
    display: inline-block;
    width: 98px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    font-size: 12px;
    border-radius: 24px;
}

.co-down ul .negative {
    position: relative;
    text-align: center;
    line-height: 100%;
}

.co-down ul .negative.iphone {
    background-color: #5f6b73;
}

.co-down ul .negative.iphone i {
    background-position: -150px -120px;
}

.co-down ul .negative.android {
    background-color: #598b00;
}

.co-down ul .negative.android i {
    background-position: 0 -270px;
}

.co-down ul .negative.windows {
    background-color: #2d7cb2;
}

.co-down ul .negative.mac {
    background-color: #34373b;
}

.co-down ul .negative i {
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -75px;
    margin-top: -75px;
    width: 150px;
    height: 150px;
    border-radius: 5px;
    background-position: 0 -120px;
    -webkit-box-shadow: 0 2px 1px rgba(0, 0, 0, 0.5);
    box-shadow: 0 2px 1px rgba(0, 0, 0, 0.5);
}



/* 入场动画 */

.load {
    opacity: 1;
    -webkit-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}

.load .ibos-down {
    -webkit-transition: all 1s ease-in-out;
    transition: all 1s ease-in-out;
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
    opacity: 1;
}

.load .right-area {
    -webkit-transition: all 1s .5s;
    transition: all 1s .5s;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
    opacity: 1;
}

.load .co-down li {
    opacity: 1;
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0);
}

.load .co-down li:nth-of-type(1) {
    -webkit-transition: all 1s .7s;
    transition: all 1s .7s;
}

.load .co-down li:nth-of-type(2) {
    -webkit-transition: all 1s 1s;
    transition: all 1s 1s;
}

.load .co-down li:nth-of-type(3) {
    -webkit-transition: all 1s 1.3s;
    transition: all 1s 1.3s;
}

.load .co-down li:nth-of-type(4) {
    -webkit-transition: all 1s 1.6s;
    transition: all 1s 1.6s;
}

@media only screen and (max-width: 800px) {
    .co-down li {
        height: 200px;
    }
}

@media only screen and (max-width: 959px) {
    .down-wrap h2 {
        font-size: 2.5em;
    }
    .down-banner .right-area {
        display: none;
    }
    .down-banner .ibos-down {
        margin: 0;
        width: 100%;
    }
    .down-banner button {
        display: block;
    }
    .co-down ul li {
        height: 200px;
    }
    .co-down ul li .positive {
        padding-top: 0;
    }
}

@media only screen and (max-width: 639px) {
    .co-down ul li {
        width: 50%;
        margin-left: 0;
    }
}