body, html {
    font-size: 16px;
    font-family: "Microsoft YaHei", Helvetica, STHeiti STXihei, Microsoft JhengHei, Arial;
    width: 100%;
    height: 100%;
}

body, html, div, p, h1, h3, h5 {
    margin: 0;
    padding: 0;
    color: #fff;
    box-sizing: border-box;
}

.container {
    width: 100%;
    height: 100vh;
}

.head {
    width: 100%;
    height: 100px;
    line-height: 100px;
    background: rgba(255, 255, 255, 1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99;
}

.logo {
    margin-left: calc(50% - 600px);
    float: left;
}

.logo>img {
    vertical-align: middle
}

.nav {
    margin-right: calc(50% - 600px);
    width: 40%;
    text-align: right;
    float: right;
}

.nav a {
    font-size: 1rem;
    padding: 0 5px;
    margin: 0 20px;
    display: inline-block;
    text-decoration: none;
    color: #26323f;
    line-height: 98px
}

.nav a:hover, .nav a:focus, .nav a.active {
    color: #3cb8ae;
    border-bottom: 2px solid #3cb8ae;
}

.ban {
    width: 100%;
    height: 100%;
    display: block;
    overflow: hidden;
    text-align: center;
    position: relative;
    background: #1a1a1a;
    /* display: none; */
}

.ban>img {
    height: 108%;
    margin-top: -2%;
    display: inline-block;
}

.ban>.box {
    width: 980px;
    height: 100%;
    padding-top: 200px;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: calc(50% - 490px);
    text-align: center;
    z-index: 2;
}

.box>h1, .box>h3 {
    font-size: 2.25rem;
    text-align: center;
    line-height: 1.5;
    font-weight: normal;
    animation: dragTop .2s ease-in-out both;
}

.box>h1 span {
    color: #3cb8ae;
}

.box>h3 {
    font-size: 1.2rem;
    margin-bottom: 70px;
    animation-delay: .6s;
}

.icon-list, .des {
    width: 100%;
    margin: 0 auto;
}

.icon-list .icon, .icon-list .con.icon {
    width: 25%;
    display: block;
    float: left;
}

.icon-list .icon>span, .icon-list .icon>label {
    width: 100%;
    display: block;
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
}

.icon-list .con.icon {
    background: rgba(75, 175, 179, 0.5);
    padding-top: 2.25rem;
    padding-bottom: 2rem;
    margin-top: 50px;
}

.icon-list .con.icon:nth-child(even) {
    background: rgba(32, 148, 192, 0.5)
}

.icon-list .con.icon>span, .icon-list .con.icon>label {
    width: 100%;
    display: block;
    text-align: center;
    font-size: 1rem;
    margin-bottom: 0
}

.des {
    padding: 2.5rem;
    box-sizing: border-box;
    background: rgba(32, 148, 192, 0.5);
}

.des>label {
    font-weight: normal;
    line-height: 2;
    font-size: 0.88rem;
    margin-bottom: 1rem;
    width: 100%;
    text-align: left;
    display: inline-block;
}

.hand-01 {
    position: absolute;
    left: calc(50% - 390px);
    bottom: 0;
}

.hand-02, .hand-03 {
    position: absolute;
    left: 53%;
    top: 40%;
}

.hand-03 {
    top: calc(42% + 3rem)
}

@media screen and (max-width: 1280px) {
    .logo {
        margin-left: calc(50% - 500px);
    }
    .nav {
        margin-right: calc(50% - 500px);
    }
    .ban>.box {
        padding-top: 165px;
    }
    .box>h3 {
        margin-bottom: 35px;
    }
}

@media screen and (max-width: 980px) {
    body, html {
        font-size: 13px;
    }
    .head {
        height: auto;
        padding: 1rem 0 0 0;
    }
    .logo>img {
        width: 40%;
    }
    .logo, .nav {
        margin: 0.5rem 0 0 0;
        width: 100%;
        text-align: center;
        line-height: 2;
    }
    .nav>a {
        line-height: 40px;
        margin: 0 10px;
    }
    .ban>.box {
        padding-top: 145px;
    }
    .ban>.box {
        width: 80%;
        left: 10%;
    }
    .box>h3 {
        margin-bottom: 30px;
    }
    .icon-list .icon, .icon-list .con.icon {
        width: 50%;
        display: inline-block;
    }
    .icon-list .con.icon {
        margin-top: 0;
    }
    .hand-01 {
        width: 200px;
        left: calc(50% - 100px);
        bottom: -20px;
    }
    .hand-02, .hand-03 {
        left: 0%;
        top: 30%;
        width: 100%;
    }
    .hand-03 {
        top: calc(32% + 3rem)
    }
    .icon-list .con.icon:nth-child(3) {
        background: rgba(32, 148, 192, 0.5);
    }
    .icon-list .con.icon:nth-child(4) {
        background: rgba(75, 175, 179, 0.5);
    }
    .ban>img {
        height: 100%;
        margin: 0;
    }
    .des {
        height: 70%;
        overflow: auto;
    }
    .icon-list .icon>span>img {
        width: 100px;
        margin-bottom: -10px;
    }
    .icon-list .icon>label {
        margin-bottom: 3rem;
    }
}

/* .current {
    display: block !important;
    z-index: 1;
}

.slide {
    display: block;
    z-index: 2;
} */

@keyframes dragTop {
    0% {
        opacity: 0;
        transform: translateY(-70px)
    }
    60% {
        opacity: 1;
        transform: translateY(20px)
    }
    90% {
        transform: translateY(-5px)
    }
    97% {
        transform: translateY(-1px)
    }
    100% {
        transform: translateY(0px)
    }
}

@-webkit-keyframes dragTop {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-70px)
    }
    60% {
        opacity: 1;
        -webkit-transform: translateY(20px)
    }
    90% {
        -webkit-transform: translateY(-5px)
    }
    97% {
        -webkit-transform: translateY(-1px)
    }
    100% {
        -webkit-transform: translateY(0px)
    }
}

@-moz-keyframes dragTop {
    0% {
        opacity: 0;
        -moz-transform: translateY(-70px)
    }
    60% {
        opacity: 1;
        -moz-transform: translateY(20px)
    }
    90% {
        -moz-transform: translateY(-5px)
    }
    97% {
        -moz-transform: translateY(-1px)
    }
    100% {
        -moz-transform: translateY(0px)
    }
}

@-ms-keyframes dragTop {
    0% {
        opacity: 0;
        -ms-transform: translateY(-70px)
    }
    60% {
        opacity: 1;
        -ms-transform: translateY(20px)
    }
    90% {
        -ms-transform: translateY(-5px)
    }
    97% {
        -ms-transform: translateY(-1px)
    }
    100% {
        -ms-transform: translateY(0px)
    }
}

@keyframes scaleAll {
    0% {
        opacity: 0;
        transform: scale(0) rotate(30deg);
    }
    30% {
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(0);
    }
}

@-webkit-keyframes scaleAll {
    0% {
        opacity: 0;
        -webkit-transform: scale(0) rotate(30deg);
    }
    30% {
        opacity: 1;
    }
    100% {
        -webkit-transform: scale(1) rotate(0);
    }
}

@-moz-keyframes scaleAll {
    0% {
        opacity: 0;
        -moz-transform: scale(0) rotate(30deg);
    }
    30% {
        opacity: 1;
    }
    100% {
        -moz-transform: scale(1) rotate(0);
    }
}

@-ms-keyframes scaleAll {
    0% {
        opacity: 0;
        -ms-transform: scale(0) rotate(30deg);
    }
    100% {
        opacity: 1;
        -ms-transform: scale(1) rotate(0);
    }
}

@keyframes scaleIn {
    0% {
        opacity: 0;
        transform: scale(3);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@-webkit-keyframes scaleIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(3);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
    }
}

@-moz-keyframes scaleIn {
    0% {
        opacity: 0;
        transform: scale(3);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@-ms-keyframes scaleIn {
    0% {
        opacity: 0;
        -ms-transform: scale(3);
    }
    100% {
        opacity: 1;
        -ms-transform: scale(1);
    }
}

@keyframes bgL {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 2000px 0;
    }
}

@-webkit-keyframes bgL {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 2000px 0;
    }
}

@-moz-keyframes bgL {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 2000px 0;
    }
}

@-ms-keyframes bgL {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 2000px 0;
    }
}

@keyframes bgR {
    0% {
        background-position: 2000px 0;
    }
    100% {
        background-position: 0 0;
    }
}

@-webkit-keyframes bgR {
    0% {
        background-position: 2000px 0;
    }
    100% {
        background-position: 0 0;
    }
}

@-moz-keyframes bgR {
    0% {
        background-position: 2000px 0;
    }
    100% {
        background-position: 0 0;
    }
}

@-ms-keyframes bgR {
    0% {
        background-position: 2000px 0;
    }
    100% {
        background-position: 0 0;
    }
}